• 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:
    Arrangement for spreading at least two hingedly interconnected door leaves (1, 2) of a piece of furniture (3) from a folded position into an expanded position, comprising an energy store (4) and an energy store (4) acted upon spreading element (5), wherein a control contour (6) is provided for controlling the movement of the expansion element (5).
    公开号:AT516282A4
    申请号:T854/2014
    申请日:2014-11-26
    公开日:2016-04-15
    发明作者:
    申请人:Blum Gmbh Julius；
    IPC主号:
    专利说明:

    The invention relates to an arrangement for spreading at least two hingedly connected door leaves of a piece of furniture from a folded position into an expanded position, comprising an energy store and a spreading element which can be acted upon by the energy store. Furthermore, the invention relates to a piece of furniture, preferably a cabinet, with the arrangement according to the invention.
    EP 0 433 726 B1 describes a generic arrangement in which a lever is pretensioned by means of a spring element and the spring biasing force is used to spread the two door leaves apart after being pulled out of a cabinet in their folded position. This is disadvantageous in this solution in that the spring biasing force is released in an uncontrolled manner, so that the two door leaves are spread apart, but this movement takes place abruptly. In addition, the two door wings must be compressed against movement of the spring biasing force in a reverse direction, which may be distracting to a user.
    It is therefore the object of the invention to provide an arrangement according to the preamble of claim 1, which significantly improves the ease of operation in the movement of two hingedly connected door leaves of a piece of furniture with respect to the prior art.
    This object is solved by an arrangement according to the features of independent claim 1.
    According to the invention, therefore, a control contour for controlling the movement of the spreader is provided.
    Such a control contour has the great advantage that a predetermined movement sequence of the expansion element can be realized via its design. For example, it is conceivable to design the control contour in such a way that, starting from the folded position, the at least two door leaves first move apart gently, then the acceleration increases and, finally, a deceleration of the movement takes place. A user would have the impression of a harmonious transition from the folded position to the spread position during such a course of movement. By means of the control contour, therefore, the energy stored in the energy store can be applied in a metered manner to the expansion element and thus to the door leaves and to realize an advantageous predetermined movement pattern of the door leaves.
    Even in the opposite direction of movement from the spread-out position to the folded position, the control contour has proven to be extremely advantageous. It is namely possible to design the control contour in such a way that the at least two door leaves can be transferred without power from the spread-open position into the folded-together position. This has the advantage that a user when folding the door does not have to work against the energy storage, as is the case in the prior art. Specifically, this can be realized, for example, in that the control contour has a portion that is circular with respect to a fulcrum.
    Alternatively, the control contour can also be designed such that a force in the direction of the folded position can be exerted on at least one of the at least two door wings by the expansion element, starting from the spread position. In this way, the folding of the door wings is even supported by the arrangement. An advantageous technical realization of this measure is that the control contour has a section composed of sections whose distances to a pivot point become progressively smaller.
    The flexibility of the control of the movement of the expansion element can be further increased by the fact that the control contour at least one unidirectional - that acts in one direction - preferably pivotally mounted contour latch comprises.
    According to an advantageous embodiment of the invention, it is provided that at least one, preferably along at least one horizontally arranged rail, movable carriage is provided, which is coupled to one of the at least two door wings, preferably by means of at least one hinge. To increase the stability of the coupling, it is beneficial if two hinges are provided.
    Furthermore, it is advantageous if the carriage has a support contour, on which the expansion element can be supported. In this case, the door wing, which is coupled to the carriage, indirectly contacts the spreading element via the support contour arranged on the carriage. On the design of the Abstützkontur also the impact of the spreader on the carriage, for example by means of an inclined surface, make it gentler and / or provide a projection or the like, behind which the spreader engages, whereby both compressive and tensile forces on the trolley and thus with the the door coupled to the carriage are transferable.
    An advantageous additional measure consists in that a movement of the spreader element can be blocked by means of the at least one carriage, the carriage preferably being supported on a guide via at least one guide roller.
    In an advantageous embodiment, the expansion element comprises a rotatably mounted lever arm having a free end, wherein at the free end preferably a rotatably mounted rolling elements is arranged. This rolling element may be, for example, a cylindrical roller or a ball.
    Advantageous structural measures continue to be that the expansion element is arranged on a pivoting element, which preferably at least one guide groove for guiding a cooperating with the control contour
    Steuerbolzens, and / or that the spreader is coupled via a toothing with a preferably to be attached to a support for the at least two door base, on which preferably the control contour is formed.
    Moreover, it has been found to be advantageous if the energy store can be charged by a method of the at least two door leaves in the folded-up position. This means that the energy storage is charged only after the folding of the door leaves and a user experiences no resistance to the folding of the door, which would be due to the charging of the energy storage.
    For charging the energy storage device, a charging curve, preferably to be fastened to a side wall of the furniture, may be provided, wherein the energy storage device is preferably coupled to the charging curve via a charging roller.
    A technical, simple solution is that the energy storage comprises a spring package. In the event that the arrangement is to be applied to a piece of furniture in which a, preferably complete, lowered position is provided in the furniture for the at least two door leaves in the folded position, the ease of use for a user can be further increased by an ejection device for ejecting the at least two door leaves in the folded position from the, preferably complete, lowered position in the furniture in an open position outside the furniture is provided. In such furniture, the lowered position is usually formed in a laterally arranged shaft of the furniture.
    If the arrangement now comprises such an ejection device, this first ensures that the at least two door leaves are ejected in their folded position from the lowered position in the furniture into an open position outside the furniture and then transferred from the folded to an expanded position by means of the spreading element which can be acted upon by the energy store. Subsequently, the user only has to transfer the door leaves to a closed position, with the fronts of the door leaves lying in one plane. Then, provided the door covers the entire width of the furniture body, the furniture is completely closed by means of the door wings.
    As stated at the outset, protection is also desired for a piece of furniture, preferably a cabinet, having at least two hingedly connected door panels which can assume at least one folded position and one deployed position, the furniture comprising an arrangement according to the invention for spreading the doors from the collapsed position to the spread-apart position includes.
    Further advantages and details of the invention will become apparent from the figures 1 to 23. FIG. 1 shows a piece of furniture in the form of a cabinet with two door wings in their closed position. 2 to 11 each have subfigures a, b and c, the subfigures c respectively showing the position of the door wings with respect to the furniture, the subfigures a respectively a perspective view of the essential parts of the subject arrangement and the subfigures b respectively a frontal view of that part of Figs Show arrangement, which includes the energy storage, the spreader and the control contour. In Fig. 12 an exploded view of this part of the arrangement is shown. Figs. 2 to 12 show a first embodiment of the invention, whereas Figs. 13 to 23 show a second embodiment of the invention. Figs. 13 to 23 each have subfigures a and b. Also in this case, the subfigures ajeweils a perspective view of the arrangement and the subfigures b respectively a front view of that part of the arrangement, which comprises the energy storage, the spreader and the control contour.
    Fig. 1 shows a perspective view of a cabinet 3 in the form of a cabinet comprising a furniture body composed of a plurality of side walls 25, 26 and 27, a cover plate 39, a bottom plate 40 and a rear wall 41 (see Fig. 2c).
    The side walls 26 and 27 arranged parallel to one another have a small distance in comparison with the overall width of the furniture body. The cavity arranged between these side walls 26 and 27 defines a slot 28 arranged laterally on the furniture body.
    The cabinet 3 can be locked by two hinged doors 1 and 2. Fig. 1 shows the closed position of the two door leaves 1 and 2, in which the fronts of the doors are arranged in one plane. As can be seen from the following figures, in particular the subfigures c of Figures 2 to 11, the door leaves 1 and 2, starting from the closed position, first in an expanded position (see Fig. 2c, 3c and 11c) and then from the spread Position in a collapsed position (see Figures 4c-10c). In this folded position, the door leaves 1 and 2 can then be sunk into the shaft 28 and starting from an open position outside the furniture 3 (see Fig. 4c) via several intermediate positions into a complete recessed position in the furniture 3 (see Fig. 8c). In this position, the door leaf package is completely arranged in the furniture 3, so that a user has unimpeded access to the interior of the furniture 3.
    As is apparent from Fig. 1, the door wings 1 and 2 are designed handleless. For transferring the door leaves 1 and 2 from their closed position to a folded-in position, which makes it easier for a user to open the door leaves, an ejection device can be provided, comprising an energy store and an ejection element which can be acted upon by the energy store, for example by pressing on one of the door leaves in the door Area in which the door wings are hinged together, is unlocked and then pushes under the effect of the energy storage one or both leaves in the area in which the two door wings are hinged together, outwardly so that the door wings buckle relative to each other. Alternatively, it may of course also be provided that instead of such a discharge device handles are provided, which are arranged on one or both door wings.
    Following the buckling, the door package is then placed by the user in the position shown in Fig. 2c.
    The door leaves 1 and 2 are mounted on the furniture 3 as follows: a first door leaf 1 is coupled on one side to a carriage 8 and hingedly connected to a second door leaf 2 on the other side. The second door 2 is in turn arranged on a carrier 29.
    In order to transfer the door leaves 1 and 2 from the closed position shown in FIG. 1 to the position shown in FIG. 2 c, in which the two door leaves are in an expanded position relative to one another, it is sufficient to exert force on the first door leaf 1 because the second door leaf 2 is forcibly guided between the first door leaf 1 and the support 29.
    As is apparent from Figs. 2a and 2c, the carriage 8 is movable along a rail 7 which is parallel to the plane in which the fronts of the two door leaves 1 and 2 are arranged in their closed position.
    The carriage 8 is designed in several parts: in a first assembly 42, which is in contact with the rail 7, a vertically aligned support member 43 is suspended. In this support member 43 interfaces 44 and 45 are provided for hinges 9, via which the first door 1 can be coupled to the carriage 8.
    Overall, so it is a folding-sliding door.
    Upon further movement of the two door leaves 1 and 2 in the direction of the folded position, the position reached in the intermediate position is that shown in FIG. 3c. This intermediate position is characterized in that the carriage 8 - more precisely - meets the Abstützkontur 10 on the vertically disposed support member 43 on the spreader 5.
    As is apparent from Fig. 12, this expansion element 5 comprises a rotatably mounted lever arm 11 having a free end, wherein at the free end rotatably mounted rolling elements 12 is arranged in the form of a roller. Dasbeteutet that when hitting the carriage 8 on the spreader 5, the roller 12 for the first time contacted the Abstützkontur 10. Otherwise - if one compares the Fig. 2b and 3b with each other - at the position of the Spreizelements5 and the associated components have not changed.
    In general, it should be noted that sub-figures b each show a frontal view of the component group disposed on the carrier 29, with the front plate 51 and back plate 52 of the pivot member 16 (see Fig. 12) respectively omitted in this view to refer to the position of the control pin 19 to understand the control contour 6 better.
    Starting from the intermediate position shown in FIG. 3c, the door leaves 1 and 2 are subsequently moved by the user into the folded position, as shown in FIG. 4c is moved.
    Comparing FIGS. 3 a and 4 a or 3 b and 4 b, it can be seen that in the course of this movement, the lever arm 11 of the expansion element 5 is rotated in the counterclockwise direction, since the roller 12 bears against the support contour 10.
    As is apparent from the exploded view of FIG. 12, the lever arm 11 is rotatably supported on the pivot member 16 on the one hand and on the other hand a gear 20 with a toothed rod 21, which is arranged on a base 22 on which in turn the pivot member 16 is rotatably mounted about the pivot point 31 , together. This means that the rotational movement of the lever arm 11, which is caused by the movement of the carriage 8 in the folded position of the door wings 1 and 2, causes a pivoting of the pivot member 16 in the clockwise direction about the pivot point 31.
    In general, it should be noted that the base 22, on which the said components are arranged or to which the said components are connected, is fastened to the carrier 29.
    Considering now the control pin 19, which is supported on the control contour 6, it can be determined on the basis of a comparison of FIGS. 3b and 4b that this control pin 19 has moved along a portion 30 which is circular with respect to the pivot point 31. This means that the distance of the control pin 19 to the fulcrum 31 has remained unchanged during the movement of the door wings 1 and 2 from the intermediate position according to Fig. 3c to the folded position according to Fig. 4c. This also means that nothing has changed in the voltage of the springs of the energy accumulator 4 or -da discharged the springs in the positions shown in FIGS. 2b and 3b, d. H. were not tensioned - in the position shown in Fig. 4b still present in the relaxed state. Thus, so far no charging of the energy storage 4 took place. Abstract formulated the control contour 6 is thus designed so that the two door leaves 1 and 2 are powerless from the spread position to the folded position can be transferred.
    The transition of the carriage 8 from the position shown in FIG. 3 in the position shown in FIG. 4a is facilitated by a guide roller 46 mounted in the end region of the guide 24.
    Now, the insertion movement of the two door leaves 1 and 2 in their folded position starts from the open position shown in FIG. 4c outside the furniture 3 over a plurality of intermediate positions shown in FIGS. 5c, 6c and 7c are shown in the fully lowered position in the furniture 3 shown in Fig. 8c.
    The intermediate position according to FIG. 5c is characterized in that the loading roller 14 first encounters the loading curve 13 fastened to the side wall 25 of the furniture 3.
    It is also important that when passing from the position shown in Fig. 4c in the position according to Fig. 5c arranged on a carriage 8 guide roller 23 comes to rest on a guide rail 24, which is also aligned horizontally, but with respect to the rail 7 at an angle of In other words, the guide rail 24 extends in the direction of the shaft 28 of the furniture 3. Since the carriage 8 is now supported on the guide 24 via the guide roller 23, a movement of the expansion element 5 or the lever arm 11, whose roller 12 is yes is supported on the Abstützkontur 10, prevented. D. h.dass that the position of the pivot member 16 with respect to the base 22 during insertion of the door leaf package in the slot 28 does not change.
    Looking at Fig. 5b, it can be seen that the control pin 19 still abuts the portion 30 of the control contour 6, which is formed with respect to the pivot point 31 circular. The energy storage 4 is therefore still discharged.
    Upon further movement of the door leaf package in the direction of the lowered position in the furniture 3, the energy storage device 4 is charged.
    Comparing Figs. 6a and 5a and 6b and 5b, it can be seen that the roller 14 is moved along a pitch of the loading cam 13. Thereby the distance of the loading cam 14 to the fulcrum 31 and the spring holder 50, respectively, increases Swivel part 16 (see Fig. 12). Since the loading roller 14 is arranged on the bolt holder 49 via the load roller bearing 48, the distance between the bolt holder 49 and the spring holder 50 on the pivoting part 16 increases. The springs of the energy store 4 are stretched between the spring holder 50 and the bolt holder 49. Ultimately, therefore, the change in distance results in charging the energy store 4.
    The control pin 19 is supported in the grooves 17 of the pivot part front panel 51bzw. 18 of the pivoting part-back plate 52 from. During the charging process of the energy storage 4, the control pin 19 thus moves linearly in the grooves 17 and18 upwards. He meets the pivotally mounted latch 15 of the
    Control contour 6 and moves it to the side, as can be seen from a comparison of Fig. 6b and 5b.
    The intermediate position of the door leaves 1 and 2 in their folded position according to FIG. 7c is characterized in that in this intermediate position, the charging of the energy storage 4 is completed, since the charging roller 14 has reached its highest point on the charging curve 13. The springs of Energiespeichers4 are maximally stretched.
    Comparing Figs. 7b and 6b, it can be seen that the latch 15 has moved back to its original position after the control pin 19 has passed. Ie. that the latching bolt 15 rests again on the island-shaped part 47 of the control contour and the path which the control bolt 19 has made in the transition from the open position according to FIG. 5c to the position in which the energy store 4 is fully charged according to FIG. 7c, through the latch 15 is locked. Ie. that the bolt 15 allows the control bolt 19 to pass only in one direction, or in other words that the bolt 15 is unidirectional.
    Starting from the intermediate position in which the energy storage 4 is fully charged, towards the complete sinking position of the door leaf package in Möbel3 according to FIG. 8, the loading roller 14 moves along a horizontally aligned portion of the charging curve 13. D. h. that the state of charge of the energy storage 4 remains unchanged.
    Now, the movement of the door 1 and 2 in the reverse direction, d. h.from the lowered position in the furniture 3 according to FIG. 8c via a plurality of intermediate positions in the shaft 28, one of which is shown in FIG. 9c, in the open position outside the furniture 3 according to FIG. 10c and then from the folded position into the spread-open position according to FIG Fig. 11c. Ausdieser spread position, the door leaves 1 and 2 can then be transferred by the user in the closed position shown in FIG.
    To initiate the movement of the door leaf package out of the shaft 28, an ejection device is provided, which can be unlocked by pressing on the door leaf package in the direction of the rear wall 41 of the furniture body. Upon unlocking, the energy stored in the ejector is released and ejects the door leaf package. The energy is advantageously so large that the door leaf package is completely transferred from the lowered position in the furniture 3 in the open position outside the furniture 3.
    Looking at the intermediate position of the door leaf package shown in FIG. 9 in the shaft 28, it can be seen that the energy storage device 4 does not discharge upon extension from the shaft 28, since on the one hand pivotal movement of the pivoting part 16 is blocked via the carriage 8 and, on the other hand, the travel of the control bolt 19 it has covered during the loading process, is locked by the latch 15. From the enlarged view of the area of the carriage 8 with the guide roller 23 from above in Fig. 9a it can be seen that the guide roller 23 is supported on the guide rail 24 and thus indirectly blocks a movement of the spreader 5 under the action of the charged energy store 4.
    This blocking effect is released once the guide roller 23 has reached the end of the guide 24 (see Fig. 10). At this moment, the Hebelarm11 begins under the action of the charged energy storage 4 to rotate clockwise, thereby accelerating the carriage 8, at the Abstützkontur 10, the non-free end of the lever arranged roller 12 is supported. By the movement of the stretcher 8 in the direction of the rail 7, the first door 1 is spread apart relative to the second door 2. The control pin 19 initially moves on the outer contour of the contraction bar 15 and then on the island-shaped area 47 of the control contour 6 during the pivoting of the pivoting part 16. These two areas together form a bent portion, which is designed such that the stored energy in the energy storage 4 is metered. Ie. that the force is not suddenly released, but a metered transmission of force on the carriage 8 and the associated door leaf 1 takes place.
    11 shows the end position of the lever arm 11 of the spreader element 5, in which the energy store 4 is again completely unloaded (compare FIGS. 2 and 3). Depending on the weight of the door leaves 1 and 2, the carriage 8 and thus the coupled to this car door 1 moves a little further. Since the carriage 8aber learns no more driving force, he brakes off and finally comes to a standstill. Then, the door leaves 1 and 2 take about a position as shown in FIG. 2c is shown. Starting from this position, the user can transfer the door leaf 1 and 2 in the closed position shown in FIG. 1 by hand.
    FIGS. 13 to 23 show a second advantageous embodiment of the invention.
    The process substantially corresponds to the procedure shown in FIGS. 2 to 11.
    The essential difference between the first and the second embodiment is that the energy store 4 is not completely discharged in the starting position of the spreader 5 according to FIGS. 13 and 14.
    Upon impact of the carriage 8 on the lever arm 11 of the expansion element 5 hooked on the free end of the lever mounted roller 12 behind a projection on theAbstützkontur 10 a.
    In the movement of the door leaves 1 and 2 from the spread position to the folded position, the control pin 19 continues to move along a portion 32 composed of sections whose pitches to the fulcrum 31 successively become smaller. Three of these sections 33, 34 and 35 are exemplarily shown in the enlarged view of Fig. 13b along with their distances 36, 37 and 38 to the pivot point 31.
    When the control bolt 19 now moves along this section 32 (compare the transition of FIG. 14b via the intermediate position 15b into the end position 16b), the residual energy in the energy store 4 is released and transfers to the expansion element 5, which hooks on the carriage 8 is, the carriage 8 actively moves into the folded position. Stated abstractly, the control contour 6 is designed such that a force in the direction of the folded position can be exerted on at least one of the at least two door leaves 1 and 2 by the expansion element 5, starting from the spread-open position.
    The further course essentially corresponds to the procedure described in the description of the first exemplary embodiment.
    权利要求:
    Claims (17)
    [1]
    1. Arrangement for spreading at least two hingedly connected door leaves (1, 2) of a piece of furniture (3) from a folded position into an expanded position, comprising an energy store (4) and an expanding element (5) to be acted upon by the energy store (4) characterized in that a control contour (6) is provided for controlling the movement of the expansion element (5).
    [2]
    2. Arrangement according to claim 1, wherein the control contour (6) is designed such that the at least two door leaves (1,2) are powerless from the spread position into the folded position can be transferred.
    [3]
    3. Arrangement according to claim 2, wherein the control contour (6) has a portion (30) which is circular with respect to a pivot point (31).
    [4]
    4. Arrangement according to claim 1, wherein the control contour (6) is designed such that by the expansion element (5), starting from the spread position, a force in the direction of the folded position on at least one of the at least two door leaves (1, 2) is exercisable.
    [5]
    An assembly according to claim 4, wherein the control contour (6) comprises a portion (32) composed of sections (33, 34, 35) whose intervals (36, 37, 38) become successively smaller towards a pivot point (31) ,
    [6]
    6. Arrangement according to one of claims 1 to 5, wherein the control contour (6) comprises at least one unidirectionally acting, preferably pivotally mounted, latching bolt (15).
    [7]
    7. Arrangement according to one of claims 1 to 6, wherein at least one, preferably along at least one horizontally arranged rail (7), movable carriage (8) is provided which with one of the at least two door leaves (1, 2), preferably by means of at least a hinge (9), can be coupled.
    [8]
    8. Arrangement according to claim 7, wherein the carriage (8) has a support contour (10) on which the expansion element (5) can be supported.
    [9]
    9. Arrangement according to claim 7 or 8, wherein a movement of the spreader (6) by means of the at least one carriage (8) is lockable, and wherein the carriage (8) preferably via at least one guide roller (23) on a guide (24) is supported ,
    [10]
    10. Arrangement according to one of claims 1 to 9, wherein the expansion element (5) comprises a rotatably mounted lever arm (11) having a free end, and at the free end preferably a rotatably mounted rolling elements (12) is arranged.
    [11]
    11. Arrangement according to one of claims 1 to 10, wherein the expansion element (5) is arranged on a pivoting element (16), which vorzugsweisewis least one guide groove (17, 18) for guiding a with the control contour (6) cooperating control pin (19) ,
    [12]
    12. The arrangement according to one of claims 1 to 11, wherein the spreader (5) via a toothing (20, 21) with a, preferably on a support (29) for the at least two door wings (1,2) to be fastened base (22 ), on which preferably the control contour (6) is formed, is coupled.
    [13]
    13. Arrangement according to one of claims 1 to 12, wherein the energy store (4) by a method of at least two door leaves (1,2) in the zusammengefaiteten position is rechargeable.
    [14]
    14. Arrangement according to one of claims 1 to 13, wherein a, preferably on a side wall (25, 26, 27) of the furniture (3) to be fastened, charging curve (13) for charging the energy store (4) is provided, and wherein the energy storage ( 4) is preferably coupled via a loading roller (14) with the charging curve (13).
    [15]
    15. Arrangement according to one of claims 1 to 14, wherein the energy store (4) comprises a spring assembly.
    [16]
    16. Arrangement according to one of claims 1 to 15, wherein an ejection device for ejecting the at least two door leaves (1, 2) in the folded position from a, preferably complete, lowered position in the furniture (3) is provided in an open position outside the furniture (3), and wherein the lowered position is preferably formed in a laterally arranged shaft (28) of the furniture (3).
    [17]
    Furniture (3), preferably a cabinet, having at least two hingedly connected door wings (1, 2) capable of assuming at least one folded position and an expanded position, characterized in that the furniture (3) comprises an arrangement for spreading the door wings (1, 2) ) from the folded position to the spread position of any one of claims 1 to 16.
    类似技术:
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    IT201700112315A1|2017-10-06|2019-04-06|Effegi Brevetti Srl|AUTOMATIC OPENING MECHANISM FOR HINGED DOORS|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA854/2014A|AT516282B1|2014-11-26|2014-11-26|Arrangement for spreading at least two hingedly connected door leaves|ATA854/2014A| AT516282B1|2014-11-26|2014-11-26|Arrangement for spreading at least two hingedly connected door leaves|
    EP15817048.0A| EP3224439A1|2014-11-26|2015-11-18|Assembly for spreading apart at least two hingedly interconnected door leaves|
    PCT/AT2015/000144| WO2016081963A1|2014-11-26|2015-11-18|Assembly for spreading apart at least two hingedly interconnected door leaves|
    CN201580064404.XA| CN107002439B|2014-11-26|2015-11-18|The configuration component of door leaf expansion for being hingedly connected to one another at least two|
    EP20178720.7A| EP3730728A1|2014-11-26|2015-11-18|Arrangement for expansion of at least two hinged door wings|
    JP2017528146A| JP6502496B2|2014-11-26|2015-11-18|Device for moving at least two door leaves hinged interconnected|
    US15/604,775| US10400493B2|2014-11-26|2017-05-25|Assembly for spreading apart at least two hingedly interconnected door leaves|
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