• 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 device (1) for connecting a broomstick to a broom. The device (1) has a sleeve (2) with an outer jacket (3) and a bore (4). At least one retaining element (42) is arranged within the bore (4). The sleeve (2) has an outer jacket (3) on which at least one anti-rotation element (31) is arranged.
    公开号:CH711631A2
    申请号:CH01204/16
    申请日:2016-09-15
    公开日:2017-04-13
    发明作者:Alfred Hofstetter Marcel
    申请人:Johann Hofstetter AG；
    IPC主号:
    专利说明:

    Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for connecting a broomstick to a broom and a broom according to the preamble of the independent claims.
    [0002] Various devices for connecting a broomstick to a front part of a broom, for example a brush, are known from the prior art.
    [0003] For example, FR 2 619 170 shows a metallic sleeve with barb, which can be placed in a broom brush. The broom handle is inserted into this sleeve, the broom handle being held captive in the broom brush with barb.
    [0004] A disadvantage of this device is that a sleeve as proposed in FR 2 619 170 can not be used with a broom bundle made of, for example, twigs or rods.
    [0005] CH 705 726 discloses a device for connecting a broomstick to a broom bundle, which makes it possible to establish a firm connection between the broom and the broomstick by spreading the device. In spreading, the device divides into several parts. Slipping of the broomstick, the device and the broom bundle together are therefore not excluded. In particular, because the broombands are made of natural materials, which can have different properties.
    [0006] It is an object of the present invention to remedy these and other disadvantages of the prior art. These and other objects are achieved by the devices defined in the independent claims. Further embodiments are disclosed in the dependent claims.
    [0007] A device according to the invention for connecting a broomstick with a broom bundle and, in particular, with a broom bundle consisting of twigs or rods, comprises a sleeve which can be inserted into the brush broom. The sleeve has an outer jacket and is provided with a bore. The bore extends between a first end and a second end of the sleeve. The bore is arranged coaxially to the longitudinal center axis of the sleeve. The sleeve is integrally formed. Within the bore is arranged at least one retaining element for fastening a broomstick inserted into the sleeve. At least one anti-rotation element for preventing rotation of the sleeve in the broom is arranged on the outer sleeve of the sleeve.
    [0008] The retaining element in the sleeve allows the broomstick to be secured within the sleeve. Thus, the sleeve is secured against loss. The retaining element also allows the sleeve to be secured against twisting with respect to the broom stem.
    [0009] The outer casing of the sleeve is essentially understood as the outer surface of the sleeve. At least one anti-rotation element is arranged in this surface, ie on the outer shell. In the inserted state, this anti-rotation element is arranged between individual branches of the brush broom and thus prevents rotation of the sleeve in the brush broom.
    [0010] The sleeve preferably has a region tapering along the longitudinal center axis in use according to the invention in the direction toward the brush bunch. A wall thickness of the area is preferably substantially constant or increases in the direction of the broom bundle.
    [0011] This makes it possible to insert a broom handle which also tapers conically towards its tip. Conical connections are advantageous, since such a press connection can be provided. The deeper a conical broomstick is inserted into a correspondingly conical bore, the greater is the pressure.
    [0012] Preferably, the broom is knotted around the device, particularly around the sleeve, prior to assembly of the broom. One branch after the other is applied to the outer jacket of the sleeve. The anti-rotation elements are arranged at least between two branches. As soon as the entire outer jacket is covered with a first layer of branches, a second or even several further layers can follow from branches. Preferably, the anti-rotation elements extend beyond one or more planes of branches.
    [0013] In this case, the bundle of twigs can be applied relatively tightly and fully around the outer casing of the sleeve.
    When the broomstick is inserted into the device, the broom handle is brought into operative connection with the retaining elements within the bore. In this case, the restraining elements can engage in, for example, slots or openings of the broomstick provided for this purpose. However, it is likewise conceivable that the restraining elements deform the broom handle and, in particular, provide it with a notch, the restraining elements being arranged essentially positively in the created notches.
    Thus, on the one hand, the broom stem is secured against twisting within the sleeve, and on the other hand the sleeve is twisted against the twist within the broom.
    The sleeve can have at least one slot over at least part of its length, so that the tapered region is preferably divided into a plurality of segments. The segments are preferably deformable.
    [0017] This allows the individual segments to be simply spread apart and pushed apart when the broomstick is inserted. As a result, a pressure is increased between the branches of the broom bundle and the sleeve, for example by the lacing of the branches around the sleeve. A preformed slot also allows the deformation in the tapered region to be directed in a desired direction and to be uniform.
    [0018] This makes it possible for the device to be spread apart by introducing the broomstick into the device. As a result, the diameter of the sleeve is increased and a force with a radial component acts on the broom.
    [0019] Preferably, a retaining element is assigned to each segment. A uniform distribution of the force and a uniform fastening is thus made possible.
    [0020] In a particularly preferred embodiment, a plurality of restraint elements are preferably arranged in each case in pairs in each case along the longitudinal center axis of the sleeve.
    As a result, the broom handle is retained at least two different locations along the longitudinal axis. This allows a stable and secure connection.
    [0022] The retaining elements preferably have a triangular cross-section. They may be in the form of barb.
    A simple manufacture and a secure connection between the broomstick and the sleeve are thus made possible.
    [0024] Several anti-rotation elements are preferably arranged on the outer casing of the sleeve. The anti-rotation elements can be arranged in different axial positions. An axial spacing of the anti-rotation elements makes it possible to absorb forces from a rotation on a broad base. In particular, inhomogeneities of the broom bundle, ie, differences between the individual components of the broom bundle, can be compensated for by a plurality of anti-twist elements. This is particularly advantageous since the individual branches of the broom bundle as a natural product are typically designed differently. Deviations of the individual branches from a desired shape can thus be compensated for,
    [0025] In each case, two anti-rotation elements are arranged in a plane along the longitudinal axis of the sleeve. This allows for the axially parallel fastening of the individual branches along the outer sleeve of the sleeve.
    [0026] At least one segment of the sleeve can be assigned a torsion-proofing element, wherein preferably each torsion-safety element is assigned to each segment of the sleeve. A uniform distribution of the force is thereby made possible.
    The sleeve can have a region extending along a longitudinal axis in use according to the invention in the direction away from the broom bundle, which region is designed as a closed cross-section. That is, the sleeve has a region which is neither subdivided nor subdivided. This creates a firm and stable base for anchoring the broom.
    [0028] The region can have a stop shoulder with a stop surface. This allows, on the one hand, the fitting of the branches and the broom bundle precisely on the sleeve. The abutment surface also makes it possible to absorb shear forces which occur in the broom by the use according to the invention, ie by wiping.
    [0029] The region and in particular the stop shoulder are cylindrical. That is to say, on the stop shoulder and on the region there are outer surfaces which extend essentially parallel to the longitudinal center axis. As a result, this region has a constant cross-section, which makes it possible to secure the broom bundle in a stable position.
    [0030] In this case, one or more anti-rotation elements can be arranged in the region and preferably adjacent to the stop shoulder.
    This makes it possible to provide a stable fastening, which also does not change when the broomstick is inserted into the broomstick holder, ie into the sleeve.
    [0032] The anti-rotation elements can have a round, oval or polygonal cross-section and, in particular, be designed as cylindrical pins. These can preferably extend transversely to the longitudinal center axis of the sleeve and particularly preferably at a right angle to the longitudinal center axis.
    [0033] This allows easy manufacture of the sleeve. The greatest possible absorption of twisting forces is thus made possible.
    [0034] The device is preferably made of plastic and in particular of thermoplastic.
    [0035] Thus, for example, production as an injection-molded part is possible.
    A further aspect of the invention relates to a broom with a broomstick preferably made of organic material and a broom bundle, preferably of a brush, wherein the broom bundle is connected to the broomstick by means of a device as described herein.
    A preferred embodiment of the invention is explained with reference to the figures. Show it:
    权利要求:
    Claims (16)
    [1] FIG. 1 is a perspective view of a device according to the invention; FIG. 2 is a further perspective view of a device according to the invention; FIG. 3 is a sectional view of the device of FIG. 4; FIG. 4 shows a side view of the device from FIG. 1. FIG. 1 shows a perspective view of a device 1. The device 1 comprises a sleeve 2 with an outer jacket 3. A bore 4 is arranged in the device 1, Extends from a first end 5 to a second end 6. The first end 5 is arranged on a stop shoulder 24. On the outer casing 3 of the sleeve 2 there are anti-twist elements 31, only one of which is shown for the sake of clarity. The sleeve 2 is divided into individual segments 22 with only a few slots (only one segment 22 is shown). On each segment 22 there is a respective anti-twist element 31. The anti-twist element 31 has a circular cylindrical cross-section and extends at right angles from a longitudinal center axis of the sleeve 2. [0040] Anti-twist elements are also located in the upper region 23 (see FIG , An anti-rotation element 31 of the upper region 23 is located in a plane with a second anti-rotation element 31, which is located on a respective segment 22. Thus, two anti-rotation elements 31 are arranged in pairs in pairs. FIG. 2 shows a further perspective view of a device 1, here the device 1 of FIG. 1. The view is directed into the bore 4 of the sleeve and retaining elements 42 are arranged within the bore 4. There are in each case two retaining elements 42 on a segment 22. The retaining elements 42 are correspondingly arranged at different axial positions along the longitudinal center axis. In each case, two retaining elements 42 are thus located in one plane. The retaining elements 42 are designed with a triangular cross-section. FIG. 3 shows a sectional view AA through the plane AA from FIG. 4. As shown in FIG. 4, the device 1 has a tapering region 20 and a further region 23. As can be seen from the sectional view of FIG. 3, the region 23 is of cylindrical design and has a constant cross-section. The region 20 has a cross-section on the outer jacket 3, which tapers. The bore 4 also tapers within the sleeve 2. The region 20 has a cross section 21, which increases in the direction from the first end to the second end 6. Correspondingly, the bore is also conical, both with respect to a longitudinal center axis as well as with respect to the outer casing 3. Within the bore 4, two rows of retaining elements 42 are located. Two rows of anti-rotation elements 31 are also located on the outer casing 3 The region 23 (see FIG. 4) is designed essentially cylindrically and has a stop shoulder 24. Towards the second end 6, the stop shoulder 24 has a stop surface 241. The individual parts of the broom bundle, ie the individual branches of the broom bundle, are applied to the outer casing 3 and to the stop surface 241 and thus find a stable position. As is readily apparent from FIG. 3, the device 1 is splayed into the bore 4 when a conical broomstick is inserted. The diameter of the device 1 in the region of the second end 6 is thereby increased and a pressing takes place in the radial direction between the broomstick, the sleeve and the broom bundle. The anti-rotation elements are thus driven further into the broom bundle. At the same time, the retaining elements 42 are driven into the stem. [0045] Thus, the broomstick, device 1 and broom bundle are securely connected to one another. claims The anti-rotation elements are thus driven further into the broom bundle. At the same time, the retaining elements 42 are driven into the stem. [0045] Thus, the broomstick, device 1 and broom bundle are securely connected to one another. claims The anti-rotation elements are thus driven further into the broom bundle. At the same time, the retaining elements 42 are driven into the stem. [0045] Thus, broom stalk, device 1 and broom bales are securely connected to one another. claims
    (EN) The invention relates to a device (1) for connecting a broomstick (12) to a broom (10), in particular consisting of twigs or rods, comprising a sleeve (2) insertable into the brush bunch (10) (2) is formed as a single piece (4) which extends between a first end (5) and a second end (6) of the sleeve (2) and is arranged coaxially to the longitudinal center axis (A) of the sleeve (2) , Characterized in that at least one retaining element (42) for fixing a broom (12) inserted into the sleeve (2) is arranged within the bore (4), and at least one anti - rotation element (31) is provided on the outer casing (3) for preventing rotation of the broom (12) (2) is arranged in the broom (10).
    [2] 2. The device as claimed in claim 1, wherein the sleeve has a region tapering along the longitudinal center axis in the direction of the broom in the direction of the broom, wherein a wall thickness of the region, Preferably remains essentially constant or increases in the direction towards the broom (10).
    [3] 3. The device as claimed in claim 2, wherein the sleeve has at least one slot over a part of its length, so that the tapering region is preferably divided into a plurality of segments , Which are preferably deformable.
    [4] 4. The device as claimed in claim 3, characterized in that a retaining element (42) is associated with each segment (22) in the region (20).
    [5] 5. The device as claimed in claim 1, wherein a plurality of restraint elements are arranged in pairs in each case along the longitudinal center axis of the sleeve.
    [6] 6. The device according to claim 1, wherein the restraining elements have a triangular cross-section and are preferably designed in the form of barb.
    [7] 7. The device according to claim 1, wherein a plurality of anti-rotation elements (31) are arranged on the outer jacket (3), wherein the anti-rotation elements (31) are preferably arranged in different axial positions.
    [8] 8. Device according to claim 7, characterized in that two anti-rotation elements (31) are arranged in a plane along the longitudinal axis of the sleeve (2).
    [9] 9. The device as claimed in claim 3, wherein at least one segment is assigned a rotation-preventing element.
    [10] 10. The device according to claim 1, wherein the sleeve has a region extending along a longitudinal axis in use in the direction away from the broom, which region is configured as a closed cross-section is trained.
    [11] 11. The device according to claim 10, wherein the region has a stop shoulder with a stop surface.
    [12] 12. The device according to claim 11, characterized in that the region (23) and in particular the stop shoulder (24) are cylindrical.
    [13] 13. The device as claimed in one of claims 10 to 12, wherein one or more anti-rotation elements (31) are arranged in the region (23).
    [14] 14. Device according to claim 1, characterized in that the anti-rotation elements (31) have a round, oval or polygonal cross-section and, in particular, are designed as cylindrical pins extending transversely to the longitudinal center axis of the sleeve (2) and preferably at right angles To the longitudinal center axis.
    [15] 15. The device as claimed in claim 1, wherein the device is made of plastic and in particular of thermoplastic.
    [16] 16. A broom comprising a broom (12) preferably made of organic material and a broom bundle (10), preferably of brushwood, the brush broom (10) being connected to the broom (12) by a device (1) according to one of claims 1 to 15, connected is.
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    同族专利:
    公开号 | 公开日
    CH711631B1|2020-08-14|
    DE202015007008U1|2017-01-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2619170A1|1987-08-07|1989-02-10|Levasseur Daniel|Device making it possible to join two bodies to one another and method for producing this product|
    CH705726B1|2011-11-04|2015-04-30|Johann Hofstetter & Co|Device for connecting a broomstick with a broom bundle, brooms as well as methods for its production.|DE202019100955U1|2019-02-20|2019-02-28|Dieter Kleinekort|Reisigbesen|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE202015007008.6U|DE202015007008U1|2015-10-07|2015-10-07|Device for connecting a broomstick with a broom bundle and brooms|
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