• 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 portable, manually operated cutting device (1) for cutting cutting material (1 '), preferably of floor covering plates, in particular of plastic coverings, with a base (2) with a cutting support (6) for the material to be cut (1'), with a Blade (3) for cutting the material to be cut (1 ') and an actuating device (4) having an actuating lever (13) for manual actuation of the cutting device (1). According to the invention, the blade (3) is articulated with its one end region directly on the base (2) and with its other end region directly on the actuating lever (13).
    公开号:CH710213A1
    申请号:CH01520/14
    申请日:2014-10-06
    公开日:2016-04-15
    发明作者:Mühlebach Moritz
    申请人:Proverum Ag；
    IPC主号:
    专利说明:

    The invention relates to a portable, hand-operated cutting device for cutting cutting material, preferably of floor coverings, in particular of plastic coverings, with a base with a cutting support for the material to be cut, with a blade for cutting the material to be cut and with an operating lever for manual actuation of the Cutting device having actuator.
    Cutting devices of the aforementioned type are on the one hand from practice and otherwise known for example from WO 2011/087 990 A2 and are mainly used for cutting flooring panels. The cut material is often plastic plates, laminate boards or parquet planks. A cut is made in the known cutting devices after inserting or clamping the material to be cut by means of a blade or a press profile. In this case, a force is exerted directly or indirectly on the blade or the press profile by the manual operation of an actuating lever. In some cases, complicated mechanical structures using additional or special components are used. For example, in WO 2011/087 990 A2, the force is transmitted via an eccentric cam to a blade holder and thus indirectly to the blade.
    In addition, care must be taken that sliced in a cutting material does not slip during the cut to perform cuts with the desired precision can. For this purpose, usually devices are provided in known cutting devices of the aforementioned type, which serve the clamping of the material to be cut with the aid of further components, such as an arm for holding down an inserted plate.
    With the aim of a clean cutting result in spite of occurring, sometimes relatively large leverage at cutting devices of the type in question so usually a complicated mechanism for the power transmission, the positioning or fixation of the material to be cut and the recording and management of the blade provided during the cut. Such a structure has the disadvantage that its construction, due to the need for a variety of different components, is correspondingly expensive and expensive to manufacture. In addition, steel is often used as the main material in the construction of known cutting devices. Its high specific weight contributes in addition to the large number of mechanical components in addition to a high total weight of a cutting device. This precludes good transportability of the cutting device.
    The object of the present invention is therefore to provide a cutting device of the type mentioned, which allows a simple and inexpensive construction to make cuts in flooring panels with a satisfactory quality of cut.
    The above object is achieved according to the invention essentially by a cutting device with the features of claim 1.
    In the inventive portable, hand-operated cutting device, the blade is connected via a hinge point at its one end directly to the base of the cutter, so that a pivoting movement of the blade is made possible. At its other end, the blade is directly connected to a hinge portion of the operating lever articulated. As a result, the blade itself is in addition to the base and the actuator immanent part of the movement mechanism of the inventive cutting device.
    It is particularly preferred if the blade of the cutting device according to the invention is held exclusively at the ends via a respective pivot point. In particular, it is dispensed with a blade holder usually provided in known cutting devices and extending along the blade, which extends over at least a substantial part of the blade. In the cutting devices known from the prior art, such a holder serves to stabilize the blade against forces occurring during cutting and to counteract deformation or distortion of the blade, which leads to an unclean cut or in extreme cases to damage of the mechanism. However, it has surprisingly been found in connection with the present invention that, in particular when cutting relatively soft materials, such as plastic plates, distortion of the blade without an additional stabilization device, for example in the form of a blade holder, does not occur or almost fails and at most below one regarding a clean cut result acceptable limit.
    Overall, the inventive cutting device structurally in the three functional groups base, blade and actuator divided, will be discussed below.
    The base is essentially formed by a base body resting on the substrate and a cutting support which serves to receive the material to be cut. Preferably, the base body consists of an aluminum hollow profile and has a honeycomb structure. As a result, sufficient stability is achieved while saving weight.
    In addition, the base has a particular designed as a U-shaped arm, which projects beyond the cutting support and is firmly connected to the base body. This arm is used to articulate the blade to the base. The arm is preferably formed as a U-profile, wherein the U-profile can be aligned with its open side up or down. It is understood that for the arm as an alternative embodiment, for example, as a solid component in question. About a pivot point in the upper part of the arm, the blade with the arm, and thus with the base, articulated. The hinge point in this case represents the pivot bearing of the blade. In order to ensure adequate in view of the forces acting on the operation stability, the arm is firmly connected to the base body, in particular screwed.
    The base has - as already mentioned - a cutting pad, which serves to accommodate or support the material to be cut during operation. The surface of the cutting support is, at least partially, designed such that slipping of the material to be cut during operation is avoided. In particular, an antislip pad and / or a roughening and / or serrations can be used in the corresponding area.
    In known cutting devices of the type in question, the cutting pad usually has a plastic insert to protect the blade when cutting in the blade. After penetration of the material to be cut, the blade strikes the ground side on such a plastic insert, wherein due to the lower hardness of the insert material relative to the blade material, a dulling of the blade is avoided or delayed. With regard to the simplest possible structure of the cutting device according to the invention, in a preferred embodiment, the cutting support in the region of the blade is formed without deposits. For example, aluminum is a suitable material for the cutting support. When choosing aluminum as the material, an anodization can be dispensed with, at least in the area of the blade, so that in this case there is an area of lesser hardness in comparison to the blade, which is preferably made of steel. It goes without saying that, of course, it is fundamentally possible that a cutting support with an insert of comparatively soft material, preferably plastic, may be provided in the region of the blade in a cutting device according to the invention.
    To ensure a lateral tilt stability of the inventive cutting device, the base preferably has an at least substantially perpendicular to the base body running foot. The foot may be mounted on the base body so that it can be folded out, or present as a separate component and be mountable to the base body, in particular by means of a fastening strip and / or a screw connection.
    In order to increase the overall stability of the cutting device according to the invention, for example in cuts requiring increased force, it can be provided that the base can be extended by an additional profile, which, in particular, can be screwed on, folded out and / or attached.
    In addition, in a preferred embodiment, the base has a stop protruding beyond the cutting support, in particular an angle-adjustable stop for abutment of the material to be cut. The stop ensures that the material to be cut can be reproducibly positioned for the respective cut in successive cuts. The stop may be formed as a fixed part of the base or be present as a separate component and in particular be plugged.
    To allow the blade a complete pivoting down the cut, it is necessary that the stop has a corresponding recess, as far as the stop is in the path of movement of the blade.
    In a preferred embodiment, the stop is formed by a portion of the foot. In an alternative embodiment, the foot is formed as a U-profile, wherein the opening of the U-profile in the longitudinal direction parallel to the base body from the material to be cut away, so that the stop for the material to be cut is formed by the web of the U-profile, and the recess for the blade extending from the bridge over the edge to a portion of the flange. The latter embodiment has the advantage of increased stability of the foot, especially against twisting.
    The blade, which is held according to the invention exclusively on the two end-side hinge points, may have a one-sided grind. In this case, the cutting support on the ground side of the blade on a sloping slope, which allows the material to be cut during cutting due to the displacement effect by the blade in the direction of the slope by folding away, so that a compression or squeezing of the material to be cut in the Cutting channel is prevented.
    Alternatively, it is also possible that the blade has a two-sided grinding. In this case, the cutting support should also have a sloping slope on both sides.
    Incidentally, the blade is preferably designed such that it has a straight shape on the ground side. However, it is conceivable that other shapes, in particular an arcuate shape, are provided on the ground side of the blade.
    In operation, the inventive cutting device for performing a cut is operated manually via the aforementioned actuator.
    The actuating device consists in the present case of a joint part and the actuating lever. The joint part is hinged to both the base and the actuating lever and is on the cutting pad, to which it preferably at least substantially perpendicular, over. By its articulated connection to the base, in particular via a screw connection, the joint part is not rigid, but can perform a pivoting movement parallel to the cutting plane, that is, the common plane in which the blade and the actuating lever lie.
    In a preferred embodiment, a common screw connection is provided for fastening the joint part and the foot to the base. In addition to the preferred embodiment with feedthrough holes at the respective hinge points in the end regions of the joint part, an embodiment with a slot is also conceivable that comprises both joint points.
    The actuating lever is preferably made of steel and has, in particular in the end region, a hinged to the hinge part first hinge portion and hinged to the blade, preferably arranged at least substantially perpendicular to the first hinge portion, the second hinge portion. Preferably, the actuating lever is designed as a U-profile. For safe handling and to ensure a certain degree of ergonomics for the operator, the operating lever has at the end a handle or grip portion, which, preferably, is formed integrally with the actuating lever. In the event that particularly high forces must be applied during the cut, the actuating lever can be extended, in particular extendable, be formed.
    To limit the downward movement of the actuating lever, a stop is provided beyond. As a result, an excessive execution of the lever downward movement during the cut and the associated excessive burden on the mechanism and / or the blade are prevented. The stop may, preferably, be provided at the upper end, or on the handle, of the actuating lever.
    In the manner described above, in the inventive cutting device, the base, the blade and the actuator are connected to each other via at least four pivot points and thus together form the complete mechanical musculoskeletal system, which is necessary for the execution of a cut.
    To carry out a cut with the inventive cutting device, the actuating lever is first swung open manually. As a result of the articulated connection of the actuator with the blade this pivots, in particular without spring support, in the opposite direction, and the joint part • pivots in the direction of the blade. The material to be cut is then placed on the now released cutting support and positioned or aligned by means of the stop. By pivoting down the actuating lever, the blade is also pivoted down in the opposite direction, penetrates with the ground side along a desired cutting line in the material to be cut and finally cuts through this. When the blade penetrates into the material to be cut, it folds down on the side of one or both sloping bevels of the cutting support, so that there is no squeezing of the material to be cut in the cutting channel.
    With its simple, with few components emanating construction, the inventive cutting device is provided primarily for the cutting of relatively soft material to be cut. An example of such a product to be cut are flooring plates made of plastic, especially vinyl. However, it has surprisingly been found in connection with the invention that the present cutting device is also quite suitable for the execution of cuts on harder material to be cut, for example laminate boards, in satisfactory quality. The suitability of the inventive cutting device for cuts on harder material to be cut can be supported inter alia by a modified blade shape. However, when deviating from a rectilinear shape of the blade on the ground side, care must be taken that the blade can penetrate the cutting material over the full length. This can make it necessary to provide a space in the cutting support for receiving the blade after penetration of the material to be cut, for example in the form of a gap or a groove.
    Further features, advantages and possible applications of the present invention will become apparent from the following description of exemplary embodiments with reference to the drawing and the drawing itself. In this case, all descriptive and / or illustrated features, alone or in any combination form the subject of the present invention, regardless of their summary in the claims or their dependency.
    It shows<Tb> FIG. 1 <SEP> a perspective, schematic representation of a cutting device according to the invention in the swung-open state,<Tb> FIG. 2 <SEP> a side view of the inventive cutting device in the pivoted state in a schematic representation with indicated cutting material,<Tb> FIG. 3 <SEP> a representation corresponding to FIG. 2 of the inventive cutting device in the closed state,<Tb> FIG. 4 is a schematic sectional view of the cutting device according to the invention in the region of the joint part,<Tb> FIG. 5 <SEP> is a schematic sectional view of the inventive cutting device in the region of the arm for holding the blade,<Tb> FIG. 6 shows a representation corresponding to FIG. 5 of the cutting device according to the invention with a further embodiment of the arm for holding the blade, FIG.<Tb> FIG. 7 <SEP> is a plan view of a foot of the inventive cutting device in a schematic representation,<Tb> FIG. 8 <SEP> is a schematic sectional view of the foot from FIG. 7,<Tb> FIG. 9 shows a representation of a further embodiment of a foot of the cutting device according to the invention corresponding to FIG. 7, FIG.<Tb> FIG. 10 is a representation corresponding to FIG. 8 of the foot from FIG. 9, FIG.<Tb> FIG. 11 is a representation corresponding to FIG. 7 of a further embodiment of a foot of the cutting device according to the invention, FIG.<Tb> FIG. 12 <SEP> is a side view of the foot of FIG. 11 in a schematic representation,<Tb> FIG. 13 is a view corresponding to FIG. 8 of the foot of FIGS. 11 and 12, FIG.<Tb> FIG. 14 <SEP> is a schematic sectional view of the blade and the cutting support of the cutting device according to the invention,<Tb> FIG. 15 is a view corresponding to FIG. 14 of an alternative embodiment of the blade and the cutting support of the cutting device according to the invention, FIG.<Tb> FIG. 16 <SEP> is a plan view of a stamped blank for an actuating lever in a schematic representation and<Tb> FIG. 17 shows a representation corresponding to FIG. 2 of a further embodiment of the cutting device according to the invention.
    In Fig. 1, a cutting device 1 is shown, which is provided for cutting flooring panels, in particular plastic panels. The cutting device 1 has a base 2, a blade 3 and an actuating device 4. The base 2 in turn has a base body 5 with a cutting support 6 with a sloping bevel 7, an over the cutting support 6 projecting arm 8 for supporting the blade 3 via a hinge point 9 and a foot 10. Preferably, the base body 5 consists of an aluminum hollow profile and has a honeycomb structure. In the present case, a part of the foot 10 forms a stop 11 for positioning the cutting material 1. The stop 11 has a recess 12, so that the blade 3 can be pivoted down completely. The cutting support 6 is presently provided with a slip-resistant surface. This is preferably an anti-slip overlay. In addition, it is conceivable to roughen the surface of the cutting support 6 or to provide it with teeth in regions which are intended to prevent slippage of the applied cutting material 1.
    To carry out a cut, an actuating lever 13 is first pivoted upwards manually using a handle 14 arranged at the end on the actuating lever 13. The actuating lever 13 has a first hinge portion 15 which is pivotally connected via a hinge point 16 to a hinge part 17, and a second hinge portion 18 which is connected via a further hinge point 19 hingedly connected to the blade 3 on. The joint part 17 is pivotally connected to the base 2, wherein the connection of the joint part 17 and the foot 10 with the base 2 is preferably via a, not shown in FIG. 1, common connection point 20. The connection at connection point 20 is preferably a screw connection.
    Fig. 2 shows schematically an inventive cutting device 1 in the pivoted, that is prepared for the execution of a cut state in a side view. Shown, moreover, is the cutting stock 1 resting on the cutting support 1. It can be clearly seen that as a result of the swiveling up of the actuating lever 13, the blade 3 is likewise pivoted open, but in the opposite direction. The hinge part 17, which is not rigidly connected, but pivotally connected parallel to the plane of the blade 3 and the actuating lever 13 with the base 2 due to its articulated connection via the connection point 20, pivots upon pivoting of the actuating lever 13 in the direction of the blade third
    The illustration of the cutting device 1 shown in Fig. 3 corresponds to the illustration in Fig. 2, with the difference that the cutting device 1 is now closed, that is, a cut was performed. By the pivoting down of the actuating lever 13, a force is exerted on the blade 3 via the joint portion 18 and the hinge point 19, so that it also pivots down and penetrates with a ground edge 21 in the laid on the cutting support 6 cutting material 1 and this finally severed. To increase the rigidity, one or more beads can be introduced into the joint section 18, as indicated in FIGS. 2 and 3 as a dotted line.
    The illustrated in Fig. 4, a schematic sectional view of the cutting device 1 in the region of the joint part 17 illustrates, inter alia, the formation of the actuating lever 13 as a U-profile. Likewise, it is indicated that the base body 5 has a honeycomb structure. This results in addition to the choice of aluminum as a material to a considerable weight savings, whereby the transportability of the cutting device 1 is supported.
    Fig. 5 shows a schematic sectional view of the cutting device 1 in the region of the arm 8 for the articulation of the blade 3. The arm 8 is in this case formed as a U-profile, wherein the opening of the U-profile is directed upward. In the base body 5, a corresponding free space, for example in the form of a cutout, as well as a device for fastening, for example in the form of a screw connection, must be provided for receiving the arm 8.
    In the embodiment shown in Fig. 6, the arm 8 is designed as a U-profile with a downward opening. As a result, only space for the two flanges of the U-profile of the arm 8 must be created in the base body 5, resulting in a much lower weakening of the base body 5, and the base 2 in total, results.
    7 and 8 show schematically a foot 10, which serves to stabilize against a lateral tilting movement of the cutting device 1, in plan view and in sectional view. The foot 10 is preferably formed, as shown in Fig. 8, as a U-profile. By a correspondingly longer design of a flange relative to the other flange, a stop 11 for the positioning of the material to be cut 1 is formed. The stop 11 in this case has a recess 12 in order not to hinder the pivoting down of the blade 3 during the cut.
    9 and 10 show an alternative embodiment of the foot 10, wherein the foot 10 is formed as a U-profile with a longitudinally parallel to the base body 5 away from this opening. The illustrated in Fig. 10, a schematic sectional view of the foot 10 of FIG. 9 illustrates the arrangement of the U-profile of the foot 10. The stop 11 is in this case formed by the web of the U-profile of the foot 10. Again, it is necessary to create by a corresponding recess which extends from the web over the edge in a region of the flange, corresponding space for the blade 3 in the Abschwenkbewegung during the cut. The embodiment shown in FIGS. 9 and 10 has the advantage of increased stability of the foot 10, but is associated with increased design complexity.
    A further alternative embodiment of the foot 10 is shown in a schematic representation in Fig. 11 in plan view and in Fig. 12 in side view. As shown in Fig. 13 shows a schematic sectional view of the foot 10 of FIGS. 11 and 12, the foot 10 is formed here as an L-profile, wherein the single flange of the L-profile of the stop 11 for the alignment of the cutting material. 1 forms. FIG. 12 additionally shows a basic base body 5 with a cutting support 6 with a sloping bevel 7 in relative position to the foot 10. This embodiment has the advantage of a very small constructive effort and a significant weight saving, but with the disadvantage of a reduced stability of the foot 10 , in particular with regard to its torsional stiffness, afflicted.
    Fig. 14 illustrates in a schematic sectional view of the relative geometry of the blade 3 to the cutting support 6 and shows in particular a ground side of the blade 3 associated sloping slope 7, which folds the Schneidguts 1 upon penetration of the blade 3 with the ground edge 21 allows.
    FIG. 15 shows, in the manner corresponding to FIG. 14, an alternative embodiment of the blade 3 and the cutting support 6. The blade 3 is ground on both sides on its ground edge 21. The material displacement effect upon penetration of the blade 3 into the material to be cut 1 accordingly occurs in both directions. This situation is counteracted by the fact that in the cutting support 6 sloping slopes 7 are provided on both sides, which allow a symmetrical folding of the cutting material 1 during the cut.
    Since the actuating lever 13, preferably, as a U-profile and integrally formed with the handle 14, it is in terms of a simplified manufacturing, to punch a corresponding, shown schematically in FIG. 16 blank from a steel sheet and Subsequently, reshape along the indicated axis of symmetry to obtain an actuating lever 13 of a cutting device 1 according to the invention in finished form. It is conceivable that the holes of the hinge points 16, 18 are already provided during the stamping process or are drilled later before or after the forming.
    FIG. 17 shows an alternative embodiment of the cutting device 1 according to the invention in a representation corresponding to FIG. 2. The blade 3 in this case has a curved shape in the area of the ground edge 21. This improves the suitability of the cutter 1 for cutting harder materials, such as laminate boards. In order for blade 3 to be able to completely sever cutting material 1, care must be taken in this case to ensure that corresponding space for receiving blade 3 is created in base base body 5 and, if required, also below cutting device 1. In the area of the cutting support 6, a corresponding gap or a groove can be provided for this purpose. In addition, feet can be provided if necessary, which ensure a certain distance of the cutting device 1 to the ground, so that a sufficient space for the blade 3 is available. The range of movement of the blade 3 is indicated by a dashed line in Fig. 17.
    LIST OF REFERENCE NUMBERS
    [0046]<Tb> 1 <September> cutter<tb> 1 <SEP> Cutting material<Tb> 2 <September> Base<Tb> 3 <September> Blade<Tb> 4 <September> actuator<Tb> 5 <September> base body<Tb> 6 <September> cutting support<tb> 7 <SEP> sloping slope<Tb> 8 <September> Arm<Tb> 9 <September> hinge point<Tb> 10 <September> foot<Tb> 11 <September> stop<Tb> 12 <September> recess<Tb> 13 <September> Control lever<Tb> 14 <September> handle<Tb> 15 <September> hinge section<Tb> 16 <September> hinge point<Tb> 17 <September> joint part<Tb> 18 <September> hinge section<Tb> 19 <September> hinge point<Tb> 20 <September> junction<Tb> 21 <September> cut edge
    权利要求:
    Claims (23)
    [1]
    1. Portable, manually operated cutting device (1) for cutting cutting material (1), preferably of floor covering plates, in particular of plastic coverings, with a base (2) with a cutting support (6) for the material to be cut (1), with a blade ( 3) for cutting the material to be cut (1) and an actuating device (4) having an actuating lever (13) for manual actuation of the cutting device (1), characterizedin that the blade (3) is articulated with its one end region directly on the base (2) and with its other end region directly on the actuating lever (13).
    [2]
    2. Cutting device according to claim 1, characterized in that the blade (3) exclusively via two end hinge points (9, 19) is held, in particular without that for holding the blade (3) a separate, at least substantially over the length of Blade (3) extending holding means is provided.
    [3]
    3. Cutting device according to claim 1 or 2, characterized in that the base (2) has a base body (5) with the cutting support (6) for the material to be cut (1) and one on the cutting support (6) protruding, in particular fixed to the Base body (5) connected arm (8) for articulation of the blade (3).
    [4]
    4. Cutting device according to claim 3, characterized in that the arm (8) is designed as a U-profile for receiving the blade (3) and / or that the arm (8) with the base body (5) is screwed.
    [5]
    5. Cutting device according to claim 3 or 4, characterized in that the base body (5) made of aluminum or an aluminum alloy and / or the actuating lever (13) consists of steel.
    [6]
    6. Cutting device according to one of the preceding claims, characterized in that the cutting support (6) has a region for preventing the slipping of the material to be cut (1), in particular in the form of an anti-slip support, a roughened and / or a serrated region.
    [7]
    7. Cutting device according to one of the preceding claims, characterized in that the cutting support (6) in the region of the blade (3) without deposits, in particular without plastic insert, and / or is formed without anodization,
    [8]
    8. Cutting device according to one of claims 3 to 7, characterized in that the base (2) has an at least substantially perpendicular to the base body (5) extending foot (10).
    [9]
    9. Cutting device according to claim 8, characterized in that the foot (10) is foldable or as a separate component to the base body (5) mountable, in particular screwed, is.
    [10]
    10. Cutting device according to one of the preceding claims, characterized in that the base (2), in particular by a screw-on, fold-out or attachable additional profile, can be extended.
    [11]
    11.. Cutting device according to one of the preceding claims, characterized in that the base (2) over the cutting support (6) protruding, in particular angularly adjustable, stop (11) for abutment of the material to be cut (1).
    [12]
    12. Cutting device according to claim 11, characterized in that the stop (11) is formed by a region of the foot (10).
    [13]
    13. Cutting device according to one of the preceding claims, characterized in that the blade (3) has a ground edge (21) with only one-sided grinding and that the cutting support (6) on the ground side of the blade (3) has a sloping slope (7 ) having.
    [14]
    14. Cutting device according to one of claims 1 to 12, characterized in that the blade (3) has a ground edge (21) with a double-sided grinding and that the cutting support (6) on both ground sides of the blade (3) each have a sloping slope (7)
    [15]
    15. Cutting device according to one of the preceding claims, characterized in that the blade (3) on the ground edge (21) has a straight or an arcuate shape.
    [16]
    16. Cutting device according to one of the preceding claims, characterized in that the actuating device (4) both with the base (2) and with the actuating lever (13) hingedly connected, over the cutting support (6) projecting, preferably at least substantially perpendicular has to this extending hinge part (17).
    [17]
    17. Cutting device according to claims 8 and 16, characterized in that for fixing the joint part (17) and the foot (10) on the base (2), a common connection point (20), in particular in the form of a screw connection is provided.
    [18]
    18. Cutting device according to claim 16 or 17, characterized in that the actuating lever (13), in particular in the end region, one with the hinge part (17) hingedly connected first hinge portion (15) and one with the blade (3) hingedly connected, preferably at least Having substantially perpendicular to the first hinge portion (15) arranged second hinge portion (18).
    [19]
    19. Cutting device according to one of the preceding claims, characterized in that the actuating lever (13) is designed as a U-profile.
    [20]
    20. Cutting device according to one of the preceding claims, characterized in that the actuating lever (13) end a handle (14) in the form of a handle portion and / or that the handle (14) is integral with the actuating lever (13).
    [21]
    21. Cutting device according to one of the preceding claims, characterized in that the actuating lever (13) is extendable, in particular extendable, is.
    [22]
    22. Cutting device according to one of the preceding claims, characterized in that a stop for limiting the downward movement of the actuating lever (13) is provided.
    [23]
    23. Cutting device according to one of the preceding claims, characterized in that the actuating device (4) is designed such that upon pivoting of the actuating lever (13), the blade (3), in particular without spring support, pivots in opposite directions and the hinge part (17) in Direction of the blade (3) pivots.
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    同族专利:
    公开号 | 公开日
    DE112014007035A5|2017-07-20|
    WO2016055081A1|2016-04-14|
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    引用文献:
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    US2641845A|1950-01-13|1953-06-16|Joseph J Gundlach|Angle gauging device for use with shears|
    US4580474A|1984-09-24|1986-04-08|Bueche Sr Clifford J|Table shear|
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    US2496018A|1945-12-13|1950-01-31|Oscar H Pearson|Shear|
    US5996461A|1998-10-01|1999-12-07|Croft; Owen W.|Asphalt shingle sheet cutting device|
    FR2882955B1|2005-03-10|2008-10-17|Grehal Pierre Ets Cie Sa|CUTTING TOOL FOR CUTTING A PLATE|
    US8479629B2|2010-06-09|2013-07-09|Tung-Lung Chiang|Paper cutter|CN110026266B|2019-03-12|2020-08-18|山东省地质矿产勘查开发局第八地质大队|Handheld jaw breaker|
    法律状态:
    2018-01-31| NV| New agent|Representative=s name: KELLER AND PARTNER PATENTANWAELTE AG, CH |
    2020-09-30| PFA| Name/firm changed|Owner name: PROVERUM AG, CH Free format text: FORMER OWNER: PROVERUM AG, CH |
    优先权:
    申请号 | 申请日 | 专利标题
    CH01520/14A|CH710213B1|2014-10-06|2014-10-06|Portable, hand-operated cutter.|CH01520/14A| CH710213B1|2014-10-06|2014-10-06|Portable, hand-operated cutter.|
    DE112014007035.1T| DE112014007035A5|2014-10-06|2014-11-21|Portable, hand-operated cutter|
    PCT/EP2014/003114| WO2016055081A1|2014-10-06|2014-11-21|Portable, hand-operated cutting device|
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