• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a protective helmet (1) for the human head (2). The protective helmet (1) comprises an outer protective shell (4) and an inner support structure (12), which support structure (12) has a headband (14) defining a head receiving opening (13) and a top head support (15), and the support structure (12). on the headband (14) has a Stirnaufnahmeseite (16) and a Hinterkopfaufnahmeseite (17), wherein the support structure (12) on the protective shell (4) by means of at least one force-transmitting connection device (18) is attached. Between the protective shell (4) and the support structure (12) a Längsverstellmechanismus (19) is arranged, with which the protective shell (4) relative to the support structure (12) towards the Stirnaufnahmeseite (16) or towards the Hinterkopfaufnahmeseite ( 17) is adjustable.
    公开号:AT516055A4
    申请号:T50551/2014
    申请日:2014-08-06
    公开日:2016-02-15
    发明作者:
    申请人:Rosenbauer Int Ag；
    IPC主号:
    专利说明:

    The invention relates to a protective helmet for the human head, as stated in claim 1.
    From US 4,888,831 A a generic protective helmet is known which comprises a hard helmet shell and an inner structure connected to the helmet shell. The inner structure comprises a headband, which is adjustable by a rotary knob in the width. The headband is connected by six suspension points with flexible straps, so that the head can be accommodated in this internal structure. The internal structure can be connected to the helmet shell by fastening straps attached to the side of the headband.
    The embodiment described in US Pat. No. 4,888,831 A has the disadvantage that the protective helmet is only conditionally adaptable to the different head sizes of different users, or that the wearing comfort of the protective helmet is reduced by adaptation to a different head size.
    The present invention has for its object to provide an improved protective helmet, which is well adapted to the different head sizes of different users, while offering good comfort.
    The object of the invention is solved by the features according to claim 1.
    According to the invention, a protective helmet for the human head is formed, which comprises an outer protective shell and an inner support structure. The support structure has a headband defining a headband and a top head rest. Furthermore, the support structure on the headband on a Stirnaufnahmeseite and a Hinterkopfaufnahmeseite, wherein the support structure on the
    Protective shell is attached by means of at least one force-transmitting connection device. Between the protective shell and the support structure, a Längsverstellmechanismus is arranged, with which the protective shell relative to the support structure in the direction of the front side or in the direction of the rear head receiving side is adjustable.
    An advantage of the embodiment of the invention is that the center of gravity of the protective helmet can be varied by the adjustment of the protective shell relative to the support structure. As a result, the protective helmet can be adapted to the needs of a large number of users, so that the protective helmet sits as comfortably as possible on the user's head. This is particularly important for protective helmets which are worn either under harsh environmental conditions or over a longer period of time, as is the case with emergency services such as fire brigades, rescue, civil protection, and so on. Furthermore, can be achieved by the Längsverstellmechanismus and the associated possibility for adjusting the center of gravity of the protective helmet, that a protective helmet, which is equipped with various attachments, such as light, infrared camera, visor, neck protection, etc., can be adjusted so that the Center of gravity of the helmet is applied centrally or depending on user request on the user's head. Thus, it can be achieved that the user can focus on his task assigned to him in the application, so that the quality of the work done by the user is not affected as possible. The protective helmet according to the invention, in addition to the use in emergency organizations, even when used in other occupational groups, such as in forestry, construction, industry, in the alpine area, etc., bring with it an advantage, since here the greatest possible comfort and thus the least possible impairment of the user is required.
    Furthermore, it can be provided that the Längsverstellmechanismus comprises a bracket, which bracket extends from both sides of the temple on the front side and the bracket is in the region of the temple sides in each case by a positive and / or non-positive connection arrangement with the protective shell a related party, and that of Bracket has at least a first coupling element which cooperates with at least one second coupling element on the support structure. The advantage here is that through the use of such a bracket, the protective shell can be attached to the support structure and while the support structure is displaceable relative to the protective shell. In addition, the support structure can be supported dimensionally stable in the bracket so that the helmet has a good fit and can be attached to the head of the user so that it does not slip as possible. The fact that the support structure and the bracket are interconnected by coupling elements, the support structure can be easily removed from the helmet to be able to clean about the helmet shell of the helmet well.
    It can further be provided that two first coupling elements are arranged symmetrically with respect to a Helmmittelebene the bracket in the region of the Stirnaufnahmeseite and with two second coupling elements cooperate, which are arranged on the support structure, in particular on the outside of the headband. The advantage here is that by the use of symmetrically arranged with respect to the Helmmittelebene coupling elements, a possibly acting on the protective shell force can be transmitted symmetrically to the support structure and thus to the head. As a result, a possibly acting on the protective shell force can be derived as gently as possible for the user.
    In addition, it can be provided that the bracket in the region of the temporal sides in each case at least one, substantially parallel to a Oberkopfauflageebene aligned and projecting in the direction of the protective shell, first web, which engages in a groove arranged in the protective shell, whereby the bracket relative is taken longitudinally displaceable with respect to the protective shell. The advantage here is that a longitudinal guide can be created by such a groove connection through which the protective shell can be easily moved relative to the bracket and thus to the support structure. In addition, can be achieved by such a web, which cooperates with a groove, that in addition to normally acting on the web forces and torques between the bracket and protective shell can be transmitted. As a result, the helmet is given additional stability, so that forces acting on the protective helmet can be well intercepted, whereby damage to the protective helmet is obstructed, and thus personal safety is increased.
    According to a further development, it is possible for the stirrup to have at least one second web arranged at an angle with respect to the first web and projecting in the direction of the protective shell, which optionally engages in one of a plurality of recesses arranged on the protective shell. It is advantageous that the connection between the longitudinally displaceable bracket and protective shell can be further improved by this additional measure, so that an increased torque or increased forces can be transmitted from the protective helmet.
    Also advantageous is an embodiment according to which it can be provided that the bracket in each case at least has an enforcement in the region of the two sides of the temple, and in the protective shell, a receiving opening is arranged, wherein a fastening element, in particular a screw, penetrates through the enforcement and received in the receiving opening is. By this measure, the connection between the longitudinally displaceable bracket and the protective shell can be further improved so that an increased torque or increased forces can be transmitted from the protective helmet. Furthermore, the connection between the bracket and the helmet shell can be fixed in a position selected by the user.
    Furthermore, it may be expedient that the bracket in the region of the two sides of the temple in each case has at least one first attachment receptacle for holding a chin strap. The advantage here is that the chin strap is moved by this measure with the support device when it is adjusted relative to the protective shell. This can be achieved that the chin strap is positioned as well as possible relative to the support device and thus relative to the head of the user so that the safety helmet can be well fixed to the user's head, without the user being disturbed.
    In addition, it can be provided that the bracket in the region of the two sides of the temple in each case has at least one second attachment receptacle for a pivotable protection visor. The advantage here is that the protective visor is moved by this measure with the support device with, if this is adjusted relative to the protective shell. It can thereby be achieved that the protective visor is positioned as well as possible relative to the support device and thus relative to the head of the user, so that the protective effect of the protective visor is as large as possible.
    According to a development or according to an independent and independent inventive concept, it is possible that symmetrically with respect to the Helmmittelebene at least two extending from the Hinterkopfaufnahmeseite towards Stirnaufnahmeseite adjusting bands are arranged on the upper head support, which adjustable in length by a positive connection with a arranged on the Stirnaufnahmeseite receiving braid are connected. The advantage here is that the position of the headband can be customized to different head heights by these adjustment straps. Thus, the adaptability of the protective helmet to the specific head geometry of various users can be further increased, whereby the wearing comfort can be increased. This head height adjustment can be meaningful to the extent that an adjustment of the head height usually also entails a shift of the helmet's center of gravity, which can be compensated by the Längsverstellmechanismus.
    Furthermore, it can be provided that the headband of the support structure is adjustable on the back of the head receiving side by a Weitenverstellmechanismus in its scope, whereby the head receiving opening is variable in size. The advantage here is that the helmet is thereby as variable as possible adapted to different users. If the size of the head receiving opening is adjusted by the width adjustment mechanism, then it can happen that the center of gravity of the protective helmet shifts. This can optionally be compensated by the Längsverstellmechanismus. Thus contributes a combination of Weitenverstellmechanismus and Längsverstellmechanismus because that the helmet is as possible adapted to the needs of a user, whereby the comfort can be increased.
    According to a particular embodiment, it is possible that the Weitenverstellmechanismus may include a gear which engages in two overlapping end portions of the headband, wherein the gear can be selectively coupled via a transmission by means of a drive shaft, which drive shaft engages a thumbwheel, wherein the drive shaft a may have polygonal cross-section, so that the setting wheel is displaceable relative to the drive shaft in the direction of a longitudinal axis of the drive shaft. The advantage here is that regardless of the current position of the support structure relative to the protective shell, the Weitenverstellmechanismus remains adjustable by this measure, so that the fit of the support structure can be adjusted as well as possible to achieve a comfortable fit of the helmet.
    According to an advantageous development, it can be provided that, in addition to the width adjustment mechanism, the circumferential headband has at least one coarse adjustment mechanism, preferably two coarse adjustment mechanisms, which are or are preferably arranged in the area of the temporal side of the headband. The advantage here is that the size of the head receiving opening can be additionally regulated by such Grobverstellmechanismus. Thus, the adaptability of the protective helmet can be further increased. The coarse adjustment mechanism additionally has all further advantages which have already been mentioned in the width adjustment mechanism.
    In particular, it may be advantageous if the headband in the region of the at least one Grobverstellmechanismuses a first and a second headband area which are facing each other and are connected to each other by a positive locking element. The advantage here is that thereby the Grobverstellmechanismus is simple, whereby the user-friendliness can be increased.
    Furthermore, it can be expedient if an opening is formed in the first headband area and a taper is provided in the second headband area, the taper of the second headband area being guided into the opening of the first headband area, optionally in the first headband area and / or in the second Headband area recesses are provided, which cooperate with projections in the other headband area, whereby the positive connection can be produced. The advantage here is that thereby the Grobverstellmechanismus is simple, whereby the user-friendliness can be increased.
    Furthermore, it can be provided that the headband is connected to the rear head receiving side at least by means of an intermediate piece with the protective shell.
    The advantage here is that thereby the support structure is well connected to the protective shell, so that a possibly acting on the protective shell force can be transferred to the support structure. By using an intermediate piece can be achieved that the protective shell can be moved relative to the support structure, without causing the support structure is deformed. The intermediate piece is provided in order to be able to compensate for a change in the distance between the support structure and the protective shell.
    In addition, it can be provided that the intermediate piece is formed as a band-like component, which is approximately centered back with respect to a longitudinal extent by about 180 °, so that a first coupling portion and a second coupling portion of the band-like member are aligned approximately parallel to each other, wherein the first Coupling portion is connected to the headband and wherein the second coupling portion is connected to the protective shell. The advantage here is that the intermediate piece is very flexible due to this shape. Thus, an impact force occurring on the helmet shell can be damped by the intermediate piece, whereby the load on the user's head can be reduced.
    Further, it may be appropriate that the positive connection is formed by the fact that a projection is formed on the receiving braid, which selectively engages in one of a plurality of arranged on the adjusting ribs recesses. The advantage here is that thereby the adjustability of
    Head height can be easily implemented and even in the application, a simple and rapid adjustment to the head height can be achieved.
    In addition, provision can be made for receiving mesh to have longitudinally aligned band sections and transversely aligned band sections which form a net-like structure. The advantage here is that through this net-like structure, the load of the protective helmet can be transmitted evenly to the head of the user. Thus, the comfort can be increased.
    Finally, it can be provided that at least one hold-down element is formed on the receiving braid, by means of which at least one of the adjusting straps is guided. The advantage here is that a correct fit of the adjusting straps can be achieved on the receiving braid by this measure. This increases personal safety, since the risk of incorrect positioning of the adjustment straps is minimized.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
    In each case, in a highly simplified, schematic representation:
    1 is a perspective view of a protective helmet with the head of a user.
    2 shows a perspective view of the protective helmet, wherein the protective shell is shown cut along a helmet center plane;
    Fig. 3 is a perspective view of a support structure and a bracket;
    4 is a perspective view of a GE along the helmet center plane cut protective shell.
    5 shows a side view of a protective helmet with a protective shell cut along the middle plane of the helmet;
    Fig. 6 is a plan view of a support structure and a bracket connected thereto;
    7 shows a perspective detailed view of a coarse adjusting mechanism on a headband;
    8 is a perspective sectional view of a protective helmet;
    Fig. 9 is a detailed view of a connection between the protective shell and Trags structure.
    By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same component names, wherein the disclosures contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or component names. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and these position information in a change in position mutatis mutandis to transfer to the new location.
    1 shows a perspective view of a protective helmet 1 which serves to protect the head 2 of a user 3. The protective helmet 1 is designed primarily for users 3 who wear the protective helmet 1 either under difficult environmental conditions, or over a longer period of time, as is the case with emergency services, such as fire brigade, rescue, civil protection, etc.
    The protective helmet 1 comprises a protective shell 4, which is preferably formed from a hard and unbreakable material, such as a thermoplastic. The protective shell 4 is designed such that, when the protective helmet 1 is attached to the head 2 of the user 3, it covers at least one upper head region 5 of the user 3. The upper head region 5 is that region of the head 2, which is also referred to as the skullcap. Furthermore, it can be provided that the protective shell 4 is designed such that it also covers an occipital region 6 of the head 2 in the mounted state. Apart from that, it is possible that a temple region 7 of the head 2 is also covered by the protective shell 4. An end region 8 of the user 3 is preferably partially covered, wherein the protective shell 4 is designed such that at least one eye region 9 is not covered by the protective shell 4.
    Furthermore, it can be provided that the protective shell 4 is designed such that additional attachments, such as a headlamp 10, a neck guard, etc., can be accommodated on the protective shell 4.
    Figures 2 to 9 show different views of the protective helmet 1, wherein this is shown partially in section or wherein individual components are partially hidden, or are shown in an exploded view to describe individual features of the protective helmet 1 can clearly. It is pointed out that in the individual figures 2 to 9 for the same parts and the same reference numerals or component names are used as in the respective preceding figures. In order to avoid unnecessary repetition, reference is made to the detailed description of the respective preceding figures. It should also be mentioned that for the purpose of a comprehensible description of the individual features, it may be the case that in the description reference is made to a number of figures, and if necessary also not numerically ascending figures.
    If reference is made in the following description to the top, bottom, left or right, reference is always made to an orientation of the protective helmet 1, which is placed on the head 2 of a user standing straight and horizontally looking forward. The left and the right side of the protective helmet 1 are in this case the same as the left and the right half of the user 3 arranged. Such a horizontal orientation of the protective helmet 1 is shown for example in FIG. 5.
    2 shows a perspective view of the protective helmet 1, wherein the protective shell 4 is shown cut along a Flelmmittelebene 11 so that a recorded in the protective shell 4 support structure 12 is visible. The support structure 12 serves to be able to receive and secure the protective shell 4 on the head 2 of a user 3.
    The support structure 12 may have various components that may be made of different materials. Preferably, however, a majority of the components of the support structure 12 made of a thermoplastic, preferably elasitschem, plastic material.
    The support structure 12 has a head receiving opening 13, which serves to receive the head 2 of the user 3, whereby the protective helmet 1 can be placed. The head receiving opening 13 is formed by a headband 14 or limited. Through the headband 14, the protective helmet 1 can be attached to the head 2 of the user 3. Furthermore, the support structure 12 comprises a top head rest 15, which adjoins the circumferential headband 14. The upper head rest 15 serves for vertical fixation of the protective helmet 1 on the head 2 of the user 3. In particular, the upper head rest 15 is so designed that it rests on the upper head region 5 of the head 2.
    On the support structure 12, a Stirnaufnahmeseite 16 and a Hinterkopfaufnahmeseite 17 is formed. As can already be seen from the naming, this results in the orientation of how the protective helmet 1 is placed on the head 2 of the user 3.
    Furthermore, it is provided that a connecting device 18 is formed, by means of which the support structure 12 is connected to the protective shell 4. According to the invention it is provided that a Längsverstellmechanismus 19 is formed on the connecting device 18, through which the protective shell 4 can be adjusted in the horizontal direction relative to the support structure 12 and thus relative to the head 2 of the user 3. In particular, it is provided that the protective shell 4 can be displaced in a longitudinal alignment 20 relative to the support structure 12. Thus, it can be achieved that the protective shell 4 can be adjusted in the direction of the forehead receiving side 16 or in the direction of the rear head receiving side 17.
    Furthermore, it can be provided that a bracket 21 is formed, which extends from the two temporal sides 22 on the forehead receiving side 16. It can be provided that the bracket 21 is connected in the region of the temporal sides 22 in each case by a positive and / or non-positive connection arrangement 23 with the protective shell 4. Thereby, the bracket 21 with respect to the longitudinal alignment 20 slidably received in the protective shell 4.
    The bracket 21 is preferably formed of a high-strength material and preferably has a corresponding dimension, so that the bracket 21 can set a high resistance to deformation by a force acting vertically on the bracket.
    A movable connection between the protective shell 4 and bracket 21 can be realized by a connection assembly 23, which will be described in more detail below and explained.
    Furthermore, it can be provided that the support structure 12 is attached to the bracket 21 so that it can be moved with the bracket 21. In particular, it can be provided that the bracket 21 has on its inside a first coupling element 24 which is connected to a second coupling element 25 of the support structure 12. The second coupling element 25 is in this case preferably arranged on an outer side 26 of the headband 14. A detail of the arrangement of the coupling elements 24, 25 can be seen in particular in FIG. 9.
    As can be seen from Fig. 2, it can be provided according to an advantageous embodiment, that on the outer side 26 of the headband 14, in particular on the Stirnaufnahmeseite 16, two piece coupling elements 25 are arranged, which cooperate with corresponding coupling elements 24 on the bracket 21. Preferably, the coupling elements 24, 25 are arranged symmetrically with respect to the helmet center plane 11, so that the support structure 12 is stably accommodated in the protective shell 4.
    The power transmission between the first coupling element 24 and the second coupling element 25 can in this case realized by a positive connection who the. For example, it can be provided that the second coupling element 25 is formed as a T-shaped projecting element on the headband 14 and that the first coupling element 24 has a recess corresponding thereto. Preferably, it can be provided that the recess of the first coupling element 24 is open at the bottom of the bracket 21. It can thereby be achieved that the second coupling element 25 can be inserted from below into the first coupling element 24 and thus the positive connection between the two coupling elements 24, 25 can be produced.
    Furthermore, it can be provided that the Längsverstellmechanismus 19 on the bracket 21 in the region of the two sides of the temple 22 in the direction of the protective shell 4, that is from the bracket 21 outwardly projecting, first web 27 has. The first web 27 projecting in the direction of the protective shell 4 preferably engages in a groove 28 arranged in the protective shell 4. As a result, the bracket 21 is relatively longitudinally displaceable relative to the protective shell 4 received in this.
    As can be seen from FIG. 3, the first web 27 is preferably arranged at right angles to a side surface 29, which is formed in the temple region 7 of the bracket 21.
    The first web 27 preferably has a longitudinal extent of between 20 mm and 90 mm, in particular between 40 mm and 60 mm, preferably between 45 mm and 55 mm. By a sufficiently large selected longitudinal extent 30 can be achieved that the bracket 21 can be performed well in the protective shell 4. Thus, increased forces but also torques from the bracket 21 can be transferred to the protective shell 4.
    Furthermore, it can be provided that the first web 27 has a depth 31 between 3 mm and 20 mm, in particular between 5 mm and 15 mm, preferably between 8 mm and 12 mm. The depth 31 is the normal distance between side surface 29 and an outer end wall of the first web 27. The first web 27 preferably has a wall thickness 32 between 1 mm and 4 mm.
    Furthermore, it can be provided that on the bracket 21 in the region of the two sides of the temple 22, a second web 33 is formed. The second web 33 preferably engages in a recess 34 shown in FIG. 4. The second web 33 is preferably also arranged at right angles to a side surface 29 and also arranged at an angle relative to the first web 27, so that the bracket 21 can be fixed with respect to its longitudinal displacement relative to the protective shell 4. In particular, it can be provided that the second web 33 is arranged at right angles to the first web 27. Furthermore, it can be provided that, as shown in FIG. 4, a plurality of recesses 34 are provided in the protective shell 4, so that the bracket 21 can be locked in different positions relative to the protective shell 4.
    Furthermore, it can be provided that the bracket 21 in the region of the two sides of the temple 22 one or more enforcements 35, wherein in the protective shell 4, a receiving opening 36 is arranged for a fastener 37. It can be provided that the fastening element 37, such as a screw, the enforcement 35 of the bracket 21 protrudes from the inside of the bracket ago and is screwed into the receiving opening 36. For the attachment of the fastener 37 in the receiving opening 36 may be provided that directly in the receiving opening 36, a thread is formed, in which the fastener 37 can be screwed. Alternatively, it can be provided that in the receiving opening 36, an insert element is received, in which a thread is integrated. The insert element may be formed from a material having a higher strength than the material of the protective shell 4. For example, it is conceivable that a metallic material is used for the insert element. A detailed view of the connection between bracket 21 and protective shell 4 can be seen in particular in FIG.
    By means of the fastening element 37, the bracket 21 can be secured in the temple area 7 on the protective shell 4. By the webs 27, 33 can be achieved that the bracket 21 is fixed in a desired position to the protective shell 4, so that the protective shell 4 can be aligned in its center of gravity ideal relative to the support structure 12. By these measures, the wearing comfort of the protective helmet 1 can be significantly increased.
    Furthermore, it can be provided, as can be seen in FIG. 3, that the bracket 21 in the region of the two temporal sides 22 has at least one first attachment receptacle 38, which serves for fastening a chin strap 39 to the bracket 21. The chin strap 39 serves to attach or support the protective helmet 1 on the head 2 of the user 3.
    In addition, it can be provided that the bracket 21 in the region of the two sides of the temple 22 each have at least one second attachment receptacle 40, to which a pivotable protection visor 41 is receivable. The second fastening receptacle 40 can be formed in the same form as the first fastening receptacle 38 in the form of an opening in which the chin strap 39 or the protective visor 41 can be fastened by means of a fastening element.
    Furthermore, as can be seen from FIG. 3, provision can be made for an intermediate piece 42 to be formed, by means of which the support structure 12 is connected to the protective shell 4 on the rear-head receiving side 17. It can be provided that the intermediate piece 42 is folded back with respect to its longitudinal extension 43 in about its longitudinal center by about 180 °, so that the band-shaped intermediate piece 42 beats a loop. By means of this construction, it can be achieved that a first coupling section 44 is aligned approximately parallel to a second coupling section 45. The first coupling portion 44 is in this case preferably connected to the headband 14 and the second coupling portion 45 with the protective shell 4. The coupling portions 44, 45 may also be formed by a T-shaped projecting element, which engage in a corresponding groove. Of course, it is also conceivable that another pluggable and positive connection for the coupling sections 44, 45 is provided.
    Furthermore, it can be provided that with respect to the helmet center plane 11 two intermediate pieces 42 are arranged symmetrically, so that the support structure 12 is connected to the rear head receiving side 17 at two attachment points with the protective shell 4. Although two attachment points are provided on the forehead receiving side 16, to which the support structure 12 is connected to the bracket 21, the support structure 12 is connected at four attachment points with the protective shell 4. In this case, in each case symmetrically with respect to the helmet center plane 11, two points are arranged on the forehead receiving side 16 and two points on the rear head receiving side 17.
    By the illustrated embodiment or shape of the intermediate piece 42 can be achieved that this serves as a damping element to intercept a force acting on the protective shell 4 stroke. The intermediate piece 42 can in this case absorb the applied energy by deformation. For this purpose, it is advantageous if a wall thickness 46 of the intermediate piece 42 between 1 mm and 4 mm, in particular in about 2 mm, is selected.
    By using a flexible intermediate piece 42 can also be achieved, that the support structure 12 is displaceable relative to the protective shell 4, since a relative displacement and thus a change in distance between Hinterkopfaufnahmeseite 17 of the headband 14 and protective shell 4 can be compensated by the intermediate piece 42.
    FIG. 3 shows a further embodiment of the protective helmet 1, which is possibly independent of itself, again using the same reference numerals or component designations as in the preceding FIGS. 1 and 2 for the same parts. In order to avoid unnecessary repetition, reference is made to the detailed description in the preceding Figures 1 and 2 or reference.
    As can be seen in FIG. 3, provision can be made for the support structure 12 to have on the top head rest 15 two adjustment straps 47, which extend from the rear head receiving side 17 in the direction of the front receiving side 16. It can be provided that the adjusting bands 47 are connected in a receiving portion 48 with the headband 14. The receiving portion 48 may be formed, for example, by a tab into which an adjusting band 47 is inserted, it being possible to provide that on the adjusting band 47, in particular in its
    End region is arranged a latching projection, so that the adjusting band 47 can be positively received in the receiving portion 48.
    Furthermore, it can be provided that the adjusting bands 47 are connected in a front region by a positive connection 49 with a receiving braid 50. The positive connection 49 may be formed, for example, in that a projection 51 is arranged on the receiving braid 50, which cooperates with one of a plurality of recesses 52 in an adjusting band 47. Over the longitudinal extension of the adjusting band 47, a plurality of these recesses 52 are preferably distributed in a uniform distance, so that the projection 51 can be brought into engagement with either one of these recesses 52. As a result, the width of the top head rest 15 is variably adjustable. Thus, it can be achieved that the protective helmet 1 with respect to its vertical position on the head 2 of the user 3 can be adapted to the needs of the user 3.
    Furthermore, it can be provided that at least one hold-down element 53 per adjustment band 47 is arranged on the receiving braid 50, so that the adjusting band 47 can be positioned and guided relative to the receiving braid 50. The hold-down element 53 is in this case preferably designed as a U-shaped tab whose end portions are connected to the receiving braid 50 and thus form an opening. The cross section or the inner width of this opening is preferably slightly larger than the cross section of the adjusting band 47 is selected, so that the adjusting band 47 can be performed almost free of play in the hold-down element 53.
    Furthermore, it can be provided that the receiving braid 50 has longitudinally aligned band sections 54 and transversely aligned band sections 55. These band sections can form a net-like structure, wherein recesses 56 can be formed between the band sections 54, 55. By means of this structure, it can be achieved that the receiving braid 50 on the one hand is as light and permeable to air as possible and, on the other hand, has a possibly large support surface, so that a force possibly acting on the protective helmet 1 can be distributed as well as possible on the upper head region 5.
    In Fig. 3 also the arrangement of the two second coupling elements 25 on the headband 14 of the support structure 12 is well visible.
    FIG. 4 shows a perspective view of a protective shell 4, which is shown cut in relation to the central plane 11 of the cover. In this representation, it can be clearly seen that the groove 28, the recess 34 and the receiving opening 36 can be formed on a temple side 22 of the protective shell 4. These formed in the protective shell 4 elements are preferably formed opposite to the respective projections on the bracket 21, so that the bracket 21 can be connected in the manner described with the protective shell 4. Furthermore, it can be clearly seen in FIG. 4 that a coupling receptacle 57 can be formed on the protective shell 4, in which the second coupling section 45 of the intermediate piece 42 can be received.
    Fig. 5 shows a side view of the protective helmet 1, wherein the protective shell 4 is shown with respect to the Flelmmittelebene 11 cut. In this illustration, the protective helmet 1 is oriented as if it were placed on the head 2 of the user 3, the head 2 being oriented horizontally by a standing user 3. This results in a horizontal orientation of the protective helmet 1. In particular, in the position of the protective helmet 1 shown in FIG. 5, a top head support plane 58, which results from the top head rest 15, is aligned approximately horizontally.
    Furthermore, it can be seen in FIG. 5 that the groove 28, in which the bracket 21 engages, as well as the first web 27 corresponding thereto, are arranged approximately parallel to the top head support plane 58. As a result, the protective shell 4 can be displaced in a likewise horizontally oriented longitudinal adjustment direction 59 relative to the support structure 12.
    Furthermore, it can be seen in FIG. 5 that the intermediate piece 42, in particular its second coupling portion 45, is received in the coupling receptacle 57 of the protective shell 4. In addition, a further coupling receptacle 60 can be seen, which is formed on the support structure 12, in particular on the occipital region 6 of the headband 14 and in which the first coupling portion 44 of the intermediate piece 42 can be accommodated.
    Furthermore, as can be seen from FIG. 5, provision can be made for a width adjustment mechanism 61 to be formed on the rear head receiving side 17 of the headband 14, by means of which the circumference of the headband 14 can be adapted to the head circumference of a user 3. The functionality of the Weitenverstellmechanismus 61 will be described or explained in more detail with reference to a combination of FIGS. 5 and 6.
    As can be seen from the synopsis of FIGS. 5 and 6, it can be provided that the width adjustment mechanism 61 has a toothed wheel 62 which engages in a first end section 63 and in a second end section 64 of the headband 14, the two end sections 63, 64 overlap each other. In particular, it can be provided in this case that the two end portions 63, 64 have a recess, wherein in one of the two end portions 63, 64, for example, in the first end portion 63 in an upper region a toothing is formed and in the other end portion in a lower region of the recess a toothing is formed. These two gears are in each case with the gear 62 in engagement. Thus, it can be achieved that upon rotation of the gear 62 in a first direction, the headband 14 is made narrower because the two end portions 63, 64 are displaced in a first direction to each other and upon rotation of the gear 62 in the second direction, the headband 14 is further set because the two end portions 63, 64 are displaced in a second direction to each other.
    Furthermore, it can be provided that the Weitenverstellmechanismus 61 includes a transmission 65 which is interposed between a drive shaft 66 and the gear 62. Alternatively, it may be provided that the gear 62 is mounted directly on the drive shaft 66.
    The drive shaft 66 is preferably guided through the protective shell 4 to the outside, so that it is accessible from the outside. Furthermore, it can be provided that a setting wheel 67 is coupled for movement with the drive shaft 66, so that by means of a rotation of the setting wheel 67, the drive shaft 66 and thus the gear 62 can be rotated. It can be provided that the drive shaft 66 has a polygonal peripheral structure, in particular a rectangular cross section, so that the thumbwheel 67 and the drive shaft 66 engages positively ineinan. Thus, it can be achieved that the setting wheel 67 can be displaced relative to the drive shaft 66 along its longitudinal axis 68, wherein a torque transmission between the adjusting wheel 67 and drive shaft 66 in each position of the adjusting wheel 67 can be performed relative to the drive shaft 66. Thus, it can be achieved that during an adjustment movement of the support structure 12 relative to the protective shell 4, the drive shaft 66 can be moved relative to the setting wheel 67 and thereby in each position of the support structure 12 of the Weitenverstellmechanismus 61 can be adjusted by means of the setting wheel 67.
    From Fig. 6 is further well seen that the bracket 21 extends in a semicircular arc from one temple side 22 to the other side of the temple 22. Furthermore, the arrangement of the first web 27 on both sides of the temple 22 can be seen.
    In order to add the bracket 21 to the protective shell 4 and to be able to take it out of the protective shell 4 again, it can be provided that the bracket 21 is loaded on both sides of the temple 22 with an aligned in the direction of helmet midplane 11 force, so that the bracket 21 is compressed and thereby deformed elastically. It can thereby be achieved that the first web 27 is brought into engagement with the groove 28 or optionally disengaged again.
    In Fig. 6 is further well seen that the support structure 12 and the bracket 21 are formed symmetrically with respect to the Helmmittelebene 11, and in the front area 8 on both sides of the Helmmittelebene 11 respectively the first coupling element 24 and the second coupling element 25 are arranged through which the Support structure 12 is connected to the bracket 21.
    As can be seen from FIGS. 5 and 6, it can further be provided that a coarse adjustment mechanism 69 is formed on the headband 14, by means of which, in addition to the width adjustment mechanism 61, circumferential adjustment of the headband 14 can be achieved. Preferably, the coarse adjustment mechanism 69 is also formed on both sides of the temple 22, so that the headband 14 can be adjusted symmetrically with respect to the helmet center plane 11.
    7 shows a perspective view of the coarse adjustment mechanism 69. As can be seen from FIG. 7, it can be provided that the coarse adjustment mechanism 69 has a first headband area 70 and a second headband area 71, which are facing each other and connected to one another by a positive locking element 72 , The locking element 72 can be formed by providing an opening 73 in the first headband area 70 and providing a taper 74 in the second headband area 71 which is guided through the opening 73 of the first headband area 70. In this case, provision can be made for a projection 76 to be arranged in an end region 75 of the taper 74, which projection can be brought into engagement with one of a plurality of recesses 77 in the first headband region 70. The recesses 77 are arranged above and below the opening 73, so that they project beyond a width 78 of the opening 73. The projections 76 are accordingly also formed so that they protrude above and below the taper 74 over a width 79 of the taper 74. The taper 74 is thereby passed from a rear side 80 through the opening 73, wherein on a front side 81, the recesses 77 are arranged and thus the projection 76 engages in this.
    In addition, it can be provided that recesses 82 are formed on the taper 74, which can be brought into engagement with a web 83 of the first headband area 70.
    The headband width can be adjusted with the coarse adjustment mechanism 69 by pivoting the second headband portion 71 rearwardly in a pivotal movement direction 84, thereby disengaging both the projection 76 in the recess 77 and the recess 82 in the web 83.
    Subsequently, the two headband areas 70, 71 can be placed closer together or further spaced from each other. After completion of this adjustment, the second headband portion 71 can be pivoted against the pivoting movement direction 84 back into the position shown in Fig. 7, whereby the positive connection of the first headband area 70 is restored to the second headband area 71.
    FIG. 8 shows a further perspective view of a protective helmet 1, which is shown cut on the temporal side 22 in the region of the penetration 35 and the receiving opening 36.
    As shown in Fig. 8 in detail, the fastener 37 is guided through the enforcement 35 in the bracket 21 and is inserted into a receiving opening 36 of the protective shell 4 and by means of a not further illustrated receiving element, such as a nut or a thread in the Receiving opening 36 attached.
    Furthermore, in Fig. 8, the connection between the first web 27 and groove 28 can be seen.
    FIG. 9 shows a perspective view of the connection arrangement 23. It is readily apparent that it can be provided that the first coupling element 24 is formed in the bracket 21 and the second coupling element 25 is arranged on the outside 26 of the headband 14, the two coupling elements 24, 25 positively engage with each other.
    By a combination of the individual adjustment mechanisms described in this document, it can be achieved that the protective helmet 1 can be adapted as variably as possible to different head sizes of different users 3, so that the protective helmet 1 is accommodated as comfortably as possible on the head 2 of the user 3. This can improve safety in two ways.
    On the one hand, when a possible force is applied, the protective helmet 1 protects the user 3 as well as possible against injuries. On the other hand, the safety can be improved to the effect that the user 3 is not disturbed by wearing the protective helmet 1 in its concentration and thus he can freely perform his intended function or steps by the high wearing comfort of the protective helmet.
    The embodiments show possible embodiments of the protective helmet 1, wherein it should be noted at this point that the invention is not limited to the specifically illustrated embodiments of the same, but also various combinations of the individual embodiments are possible with each other and this possibility of variation due to the teaching of technical action representational invention in the skill of those skilled in this technical field.
    Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions.
    The task underlying the independent inventive solutions can be taken from the description. All statements of value ranges in the present description should be understood to include any and all sub-ranges thereof, e.g. is the statement 1 to 10 to be understood that all sub-areas, starting from the lower limit 1 and the upper limit 10 are included, ie. all sub-areas begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.
    Above all, the individual embodiments shown in FIGS. 1, 2, 3, 4, 5, 6, 7, 8, 9 can form the subject of independent solutions according to the invention. The relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures.
    In particular, the design of the top head rest 15 of the support structure 12, such as the adjustment 47, which are connected to a receiving braid 50 length adjustment bar, as well as other specific features of the design of the top head rest 15 may form the subject of independent, inventive solutions.
    Furthermore, the design of the headband 14, such as its Weitenverstellmechanismus 61 or the coarse adjustment mechanism 69 may form the subject of independent, inventive solutions.
    For the sake of order, it should finally be pointed out that, for a better understanding of the structure of the protective helmet 1, this or its components have been shown partly unevenly and / or enlarged and / or reduced in size.
    LIST OF REFERENCES 1 protective helmet 31 depth 2 head 32 wall thickness 3 user 33 second web 4 protective shell 34 recess 5 upper head region 35 enforcement 6 occipital region 36 receiving opening 7 temple region 37 attachment element 8 forehead region 38 first attachment receptacle 9 eye region 39 chin strap 10 headlamp 40 second attachment receptacle 11 helmet median plane 41 protective visor 12 support structure 42 intermediate piece 13 head receiving opening 43 longitudinal extension 14 headband 44 first coupling portion 15 top head rest 45 second coupling portion 16 Stirnaufnahmeseite 46 wall thickness adapter 17 Hinterkopfaufnahmeseite 47 adjustment band 18 connecting device 48 receiving portion 19 Längsverstellmechanismus 49 positive connection 20 longitudinal alignment 50 receiving braid 21 bracket 51 projection 22 temple side 52 recess 23 connection assembly 53 hold-down element 24 first coupling element 54 along aligned Bandab- second coupling element cut 26 outside the headband 55 transverse aligned Bandab- 27 first web cut 28 groove 56 recess 29 side surface 57 coupling receptacle 30 longitudinal extent 58 Oberkopfauflagee level 59 Längsverstellrichtung 60 further coupling receptacle 61 Weitenverstellmechanismus 62 gear 63 first end 64 second end 65 gear 66 drive shaft 67 Stell wheel 68 longitudinal axis 69 Grobverstellmechanismus 70th first headband region 71 second headband region 72 locking element 73 breakthrough 74 taper 75 end region 76 projection 77 recess 78 width breakthrough 79 width taper 80 rear 81 front 82 recess 83 web 84 pivoting movement direction
    权利要求:
    Claims (20)
    [1]
    A protective helmet (1) for the human head (2), comprising an outer protective shell (4) and an inner support structure (12), which support structure (12) has a headband (14) defining a head receiving opening (13) and an upper head support (12). 15), and the support structure (12) on the headband (14) has a forehead receiving side (16) and an occipital receiving side (17), wherein the support structure (12) is secured to the protective shell (4) by at least one force transmitting connector (18) , characterized in that between the protective shell (4) and the support structure (12) a Längsverstellmechanismus (19) is arranged, with which the protective shell (4) relative to the support structure (12) towards the Stirnaufnahmeseite (16) or in the direction on the back of the head receiving side (17) is adjustable.
    [2]
    2. Protective helmet according to claim 1, characterized in that the Längsverstellmechanismus (19) comprises a bracket (21), which bracket (21) extending from both temporal sides (22) on the Stirnaufnahmeseite (16) and the bracket (21) in Area of the temple sides (22) in each case by a positive and / or non-positive connection arrangement (23) with the protective shell (4) is connected, and that the bracket (21) has at least a first coupling element (24), which with at least one second coupling element (25) cooperates with the support structure (12).
    [3]
    3. A protective helmet according to claim 2, characterized in that on the bracket (21) in the region of the Stirnaufnahmeseite (16) two first coupling elements (24) symmetrically with respect to a Helmmittelebene (11) are arranged and with two second coupling elements (25) cooperation, which at the support structure (12), in particular on an outer side (26) of the headband (14) are arranged.
    [4]
    4. Protective helmet according to claim 2 or 3, characterized in that the bracket (21) in the region of the temporal sides (22) each at least one, substantially parallel to a Oberkopfauflageebene (58) aligned and in the direction of the protective shell (4) protruding, first web (27) which engages in a in the protective shell (4) arranged groove (28), whereby the bracket (21) relative to the protective shell (4) is received longitudinally displaceable.
    [5]
    5. Protective helmet according to claim 4, characterized in that the bracket (21) in the region of the temporal sides (22) in each case at least one angularly with respect to the first web (27) and in the direction of the protective shell (4) projecting, second web ( 33) which optionally engages in one of a plurality of the protective shell (4) arranged recesses (34).
    [6]
    6. Protective helmet according to one of claims 2 to 5, characterized in that the bracket (21) in the region of the two sides of the temple (22) each having at least one enforcement (35), and in the protective shell (4) has a receiving opening (36) is, wherein a fastening element (37), in particular a screw, the enforcement (35) penetrates and is received in the receiving opening (36).
    [7]
    7. Protective helmet according to one of claims 2 to 6, characterized in that the bracket (21) in the region of the two sides of the temple (22) each have at least a first attachment receptacle (38) for holding a chin strap (39).
    [8]
    8. Protective helmet according to one of claims 2 to 7, characterized in that the bracket (21) in the region of the two sides of the temple (22) each having at least a second attachment receptacle (40) for a pivotable protection visor (41).
    [9]
    9. Protective helmet according to one of the preceding claims, characterized in that at the top head support (15) of the support structure (12) symmetrically with respect to the Helmmittelebene (11) at least two of the Hinterkopfauf- receiving side (17) in the direction of forehead receiving side (16) extending adjusting bands ( 47) are arranged, which are connected by a positive connection (49) adjustable in length with a on the forehead receiving side (16) arranged receiving braid (50).
    [10]
    A protective helmet (1) for the human head (2), comprising an outer protective shell (4) and an inner support structure (12), which support structure (12) has a headband (14) defining a head receiving opening (13) and a top head support (12). 15), and the support structure (12) on the headband (14) has a forehead receiving side (16) and an occipital receiving side (17), wherein the support structure (12) is secured to the protective shell (4) by at least one force transmitting connector (18) , characterized in that at the top head support (15) of the support structure (12) symmetrically with respect to the Helmmittelebene (11) at least two of the Hinterkopfaufnahmeseite (17) in the direction of Stirnaufnahmeseite (16) extending adjusting bands (47) are arranged, which by a positive connection (49) are adjustable in length with a on the forehead receiving side (16) arranged receiving braid (50) are connected.
    [11]
    11. Protective helmet according to one of the preceding claims, characterized in that the headband (14) of the support structure (12) on the rear head receiving side (17) by a Weitenverstellmechanismus (61) is adjustable in its circumference, whereby the head receiving opening (13) in the Size is variable.
    [12]
    12. A protective helmet according to claim 11, characterized in that the Weitenverstellmechanismus (61) comprises a gear (62) which engages in two overlapping end portions (63, 64) of the headband (14), wherein the gear (62) optionally via a transmission (65) is articulated by means of a drive shaft (66) on which drive shaft (66) engages a thumbwheel (67), wherein the drive shaft (66) has a polygonal cross section, so that the thumbwheel (67) relative to the drive shaft (66) in the direction a longitudinal axis (68) of the drive shaft (66) is displaceable.
    [13]
    13. A protective helmet according to any one of claims 11 to 12, characterized in that the circumferential headband (14) in addition to Weitenverstellmechanismus (61) at least one Grobverstellmechanismus (69), preferably two Grobverstellmechanismen (69), which or which preferably each in the field of Temples (22) of the headband (14) is or are arranged.
    [14]
    14. A protective helmet according to claim 13, characterized in that the headband (14) in the region of the at least one Grobverstellmechanismuses (69) has a first (70) and a second headband area (71) which are facing each other and by a positive locking element (72) connected to each other.
    [15]
    15. A protective helmet according to claim 14, characterized in that in the first headband area (70) an opening (73) is formed and in the second headband area (71) a taper (74) is provided, wherein the taper (74) of the second headband area (71 ) in the opening (73) of the first headband area (70) is guided, optionally in the first headband area (70) and / or in the second headband area (71) recesses (77) are provided, which with projections (76) in each other headband area (70) cooperation, whereby the positive connection can be produced.
    [16]
    16. Protective helmet according to one of the preceding claims, characterized in that the headband (14) on the rear head receiving side (17) at least by means of an intermediate piece (42) with the protective shell (4) is connected.
    [17]
    17. A protective helmet according to claim 16, characterized in that the intermediate piece (42) is formed as a band-like component, which is approximately centered with respect to a longitudinal extent (43) repelled by about 180 °, so that a first coupling portion (44) and a second coupling portion (45) of the band-like component are aligned approximately parallel to each other, wherein the first coupling portion (44) with the headband (14) is connected and wherein the second coupling portion (45) with the protective shell (4) is connected.
    [18]
    18. Protective helmet according to claim 9 or 10, characterized in that the positive connection (49) is formed in that on the receiving braid (50) has a projection (51) is formed, which is arranged either in one of several on the adjusting bands (47) Recesses (52) engages.
    [19]
    19. A protective helmet according to one of claims 9 to 18, characterized in that the receiving braid (50) has longitudinally aligned band portions (54) and transversely oriented band portions (55), which form a net-like structure.
    [20]
    20. Protective helmet according to one of claims 9 to 19, characterized in that on the receiving braid (50) at least one hold-down element (53) is formed, by means of which at least one of the adjusting bands (47) is guided.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP3177163B1|2019-01-02|Protective helmet
    DE60100845T2|2004-07-08|PROTECTIVE HELMET WITH DEVICE FOR ADJUSTING THE HEAD
    EP0646333B1|1998-07-08|Device for mounting a protective face guard and/or protective earcups on a protective helmet
    DE2846636A1|1980-04-30|Safety helmet with integral front visor - consists of chin part flapping down on pivot point over skull with abutment edge flap
    DE102015221744A1|2016-09-15|Functional headband with integrated upholstery band
    AT8206U1|2006-04-15|HELMET
    DE3143796A1|1983-05-11|Integral crash helmet
    DE202006007041U1|2006-07-27|headgear
    AT401997B|1997-01-27|PROTECTIVE HELMET WITH A STRAPLESS RESPIRATOR
    EP0372406A2|1990-06-13|Adjustable chin strap for motorcycle protection helmets
    EP3229627B1|2018-11-28|Protective helmet with coupling elements
    AT412067B|2004-09-27|PROTECTIVE HELMET WITH A CONNECTING DEVICE FOR A RESPIRATORY MASK
    AT13053U1|2013-05-15|Device with an adjustable headband for a safety helmet
    CH688979A5|1998-06-30|Helmet.
    EP1332688A2|2003-08-06|Helmet
    DE2061087A1|1971-06-16|Safety helmet with adjustable headband
    DE202015005880U1|2015-11-17|belt unit
    DE102013019775B4|2016-02-04|Helmet System
    DE3019208C2|1983-01-27|Holding device for a protective helmet
    DE102019101412B4|2021-01-28|Safety helmet with adjustment mechanism
    EP2854585B1|2016-02-03|Protective helmet
    DE202015101477U1|2016-06-27|Hard hat with side adapter
    EP3920746A1|2021-12-15|Protective helmet
    AT827U1|1996-06-25|PROTECTIVE HELMET WITH A CONNECTING DEVICE FOR A RESPIRATORY MASK
    DE102015219927A1|2017-04-20|helmet
    同族专利:
    公开号 | 公开日
    HUE043117T2|2019-08-28|
    SI3177163T1|2019-07-31|
    WO2016019406A2|2016-02-11|
    US10588373B2|2020-03-17|
    WO2016019406A3|2016-03-31|
    EP3177163A2|2017-06-14|
    AT516055B1|2016-02-15|
    EP3177163B1|2019-01-02|
    HRP20190626T1|2019-06-14|
    AU2015299734B2|2018-03-22|
    CN106572715A|2017-04-19|
    CN106572715B|2020-01-17|
    CA2962042A1|2016-02-11|
    AU2015299734A1|2017-03-23|
    US20170251746A1|2017-09-07|
    PL3177163T3|2019-07-31|
    引用文献:
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    US9125448B2|2013-05-30|2015-09-08|Msa Technology, Llc|Support for visors and face shields|US8739318B2|2010-09-03|2014-06-03|Bauer Hockey, Inc.|Helmet comprising an occipital adjustment mechanism|
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    TWI680727B|2018-06-12|2020-01-01|豐閣行銷設計有限公司|Hard hat capable of absorbing multi-directional impact|
    CN109380799B|2018-09-28|2021-05-14|绍兴京越智能科技有限公司|Helmet stabilizing device for emergency rescue and fire fighting|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50551/2014A|AT516055B1|2014-08-06|2014-08-06|helmet|ATA50551/2014A| AT516055B1|2014-08-06|2014-08-06|helmet|
    AU2015299734A| AU2015299734B2|2014-08-06|2015-08-05|Protective helmet|
    EP15771846.1A| EP3177163B1|2014-08-06|2015-08-05|Protective helmet|
    PL15771846T| PL3177163T3|2014-08-06|2015-08-05|Protective helmet|
    HUE15771846A| HUE043117T2|2014-08-06|2015-08-05|Protective helmet|
    CA2962042A| CA2962042A1|2014-08-06|2015-08-05|Protective helmet|
    PCT/AT2015/050191| WO2016019406A2|2014-08-06|2015-08-05|Protective helmet|
    SI201530687T| SI3177163T1|2014-08-06|2015-08-05|Protective helmet|
    CN201580042125.3A| CN106572715B|2014-08-06|2015-08-05|Protective helmet|
    US15/501,277| US10588373B2|2014-08-06|2015-08-05|Protective helmet|
    HRP20190626TT| HRP20190626T1|2014-08-06|2019-03-29|Protective helmet|
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