IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0133590
(2010-01-26)
|
등록번호 |
US-8496018
(2013-07-30)
|
우선권정보 |
CH-135/09 (2009-01-29); CH-1055/09 (2009-07-07) |
국제출원번호 |
PCT/CH2010/000020
(2010-01-26)
|
§371/§102 date |
20110608
(20110608)
|
국제공개번호 |
WO2010/085905
(2010-08-05)
|
발명자
/ 주소 |
- Lenhart, Klaus
- Heim, Eberhard
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
15 |
초록
▼
A clamping apparatus for a hiking/skiing pole for detachably axially fixing a pipe that is insertable into an opening of the clamping apparatus. The clamping apparatus includes a plastic collar, which encloses an axial portion of the pipe and clamps the pipe in a closed state, the plastic collar inc
A clamping apparatus for a hiking/skiing pole for detachably axially fixing a pipe that is insertable into an opening of the clamping apparatus. The clamping apparatus includes a plastic collar, which encloses an axial portion of the pipe and clamps the pipe in a closed state, the plastic collar includes at least one axial slot making the circumference of the plastic collar variable. On opposite sides of the slot first and second projections are arranged on the plastic collar and include a coaxial passage opening that is arranged perpendicular to the pipe axis and through which a transverse pin penetrates. The outside of the second projection has a stop and the outside of the first projection has a rotational axis for a clamping lever, that includes a lever arm, which at least partially encloses the plastic collar when the clamping apparatus is closed, and has an eccentric roll-off region.
대표청구항
▼
1. A clamping device for a hiking pole, trekking pole, Nordic walking pole ski pole or cross-country ski pole, for axially securing in a releasable manner a tube portion that can be pushed into an opening of the clamping device, wherein the clamping device comprises a plastics-material sleeve which
1. A clamping device for a hiking pole, trekking pole, Nordic walking pole ski pole or cross-country ski pole, for axially securing in a releasable manner a tube portion that can be pushed into an opening of the clamping device, wherein the clamping device comprises a plastics-material sleeve which engages essentially directly around the tube portion, at least along an axial portion, and clamps the same in the closed state,wherein the plastics-material sleeve, at least in the region engaging around the tube portion, has at least one axial slot, which renders the circumference of the plastics-material sleeve variable in this region, and is of essentially encircling design in the remaining axial region,wherein a respective protrusion is arranged on the plastics-material sleeve on either side of this slot,wherein these protrusions have a coaxial through-passage opening, which is arranged essentially perpendicularly to the axis of the tube portion and through which engages a transverse pin which, on the outside of the second protrusion, has a stop and, on the outside of the first protrusion, has a rotary pin for a clamping lever, this pin being arranged perpendicularly to the axis of the transverse pin and parallel to the axis of the tube portion,wherein the clamping lever has a lever arm which, with the clamping device closed, engages at least partially around the plastics-material sleeve, andwherein the clamping lever has an eccentric rolling region around the rotary pin, it being possible for the distance between the stop and a counter-surface, which is arranged on the outside of the first protrusion, to be reduced by means of this rolling region for clamping purposes, by virtue of the clamping lever being pivoted into the closed position,wherein the counter-surface is designed in the form of a metal element which is arranged, at least in part, in the first protrusion, in a depression, andwherein the metal element is designed in the form of a metal band which encircles the outside of the plastics-material sleeve, on the side located opposite the protrusions, and of which the first end is arranged on the outside of the first protrusion, the outside being directed toward the rolling region, in a depression and has a first aperture or a through-opening for the transverse pin, the central region of which band runs around the plastics-material sleeve, and the second end of which band is arranged on the outside of the second protrusion, this outside being directed toward the stop, and has a second aperture or a through-opening for the transverse pin and/or a stop element. 2. The clamping device as claimed in claim 1, wherein the metal band has a width of 1-20 mm. 3. The clamping device as claimed in claim 1, wherein the metal band has a width of 3-7 mm. 4. The clamping device as claimed in claim 1, wherein the metal band has a thickness in the range of 0.1-2 mm. 5. The clamping device as claimed in claim 1, wherein the metal band consists of hardened steel, stainless steel or spring steel. 6. A clamping device for a hiking pole, trekking pole, Nordic walking pole ski pole or cross-country ski pole, for axially securing in a releasable manner a tube portion that can be pushed into an opening of the clamping device, wherein the clamping device comprises a plastics-material sleeve which engages essentially directly around the tube portion, at least along an axial portion, and clamps the same in the closed state,wherein the plastics-material sleeve, at least in the region engaging around the tube portion, has at least one axial slot, which renders the circumference of the plastics-material sleeve variable in this region, and is of essentially encircling design in the remaining axial region,wherein a respective protrusion is arranged on the plastics-material sleeve on either side of this slot,wherein these protrusions have a coaxial through-passage opening, which is arranged essentially perpendicularly to the axis of the tube portion and through which engages a transverse pin which, on the outside of the second protrusion, has a stop and, on the outside of the first protrusion, has a rotary pin for a clamping lever, this pin being arranged perpendicularly to the axis of the transverse pin and parallel to the axis of the tube portion,wherein the clamping lever has a lever arm which, with the clamping device closed, engages at least partially around the plastics-material sleeve, andwherein the clamping lever has an eccentric rolling region around the rotary pin, it being possible for the distance between the stop and a counter-surface, which is arranged on the outside of the first protrusion, to be reduced by means of this rolling region for clamping purposes, by virtue of the clamping lever being pivoted into the closed position,wherein the counter-surface is designed in the form of a metal element which is arranged, at least in part, in the first protrusion, in a depression, andwherein the metal element has a respective through-opening on either side of the counter-surface and the counter surface is formed by a crosspiece located therebetween, and wherein the transverse pin is designed in a fork-like manner at its clamping lever end, wherein the two fork arms engage through the through-openings, wherein the rotary pin is arranged at the ends of the fork arms, and connect the same, and wherein the rolling region of the clamping lever is arranged between the fork arms such that it runs on the crosspiece when the clamping lever pivots. 7. The clamping device as claimed in claim 6, wherein the metal element is designed in the form of a circular disk and is arranged in a depression in the first protrusion such that it can be displaced along the axis of the transverse pin, and wherein the depth of the depression is greater than the thickness of the metal element. 8. The clamping device as claimed in claim 6, wherein the transverse pin is of T-shaped design at its clamping-lever end, wherein the lateral arms form the rotary pin for the clamping lever, and the clamping lever, for the transverse pin, has a slot which divides up the rolling region into two rolling regions arranged to the sides of the transverse pin. 9. The clamping device as claimed in claim 6, wherein the plastics-material sleeve, in its upper portion, has at least two axially running slots, wherein at least one of these slots is arranged between the two protrusions. 10. The clamping device as claimed in claim 6, wherein the stop is of adjustable design. 11. The clamping device as claimed in claim 6, wherein it is formed, in the remaining axial region, for the purpose of receiving and fastening the portion of an outer tube, wherein the outer tube has an internal diameter which is essentially equal to, or only insignificantly greater than, the external diameter of the tube portion. 12. The clamping device as claimed in claim 6, wherein the through-passage opening in the two protrusions is a hole which is closed all the way round. 13. The clamping device as claimed in claim 6, wherein the lever arm, with the clamping device closed, is arranged, at least in part, in a depression in the plastics-material sleeve, and/or wherein the lever is produced from metal, wholly or partially from surface-hardened metal. 14. A hiking pole, trekking pole, Nordic walking pole, ski pole or cross-country ski pole, having a clamping device as claimed in claim 6. 15. The pole as claimed in claim 14, wherein, in addition to the clamping device, a clamping device with at least one spreading element is provided on the inside of the tube portions. 16. The clamping device as claimed in claim 6, wherein the counter-surface is designed as a planar surface. 17. The clamping device as claimed in claim 6, wherein the counter-surface is designed as a concave surface of which the radius of curvature is adapted essentially to the radius of curvature of the rolling region. 18. The clamping device as claimed in claim 6, wherein the metal element is designed in the form of a circular disk and is arranged in a depression in the first protrusion such that it can be displaced along the axis of the transverse pin, and in that the depth of the depression is greater than the thickness of the metal element, wherein the thickness of the metal element is in the range of 0.5-3 mm, and the depth of the depression is in the range of 3-10 mm. 19. The clamping device as claimed in claim 6, wherein the plastics-material sleeve, in its upper portion, has at least three, axially running slots, wherein at least one of these slots is arranged between the two protrusions and these slots are distributed uniformly around the circumference. 20. The clamping device as claimed in claim 6, wherein the stop is of adjustable design, and wherein the stop is designed with a thread and the transverse pin is designed with a mating thread, and the stop is designed as a nut or screw, with an encircling toothing formation or a ridge or a groove for the engagement of an adjustment tool. 21. The clamping device as claimed in claim 6, wherein the through-passage opening in the two protrusions is a hole which is closed all the way round and has a diameter in the range of 2-7 mm. 22. The clamping device as claimed in claim 6, wherein the lever arm, with the clamping device closed, is arranged, at least in part, in a depression in the plastics-material sleeve, and wherein the lever is produced from metal, wholly or partially from surface-hardened metal, hardened in the rolling region, and wherein formed-on plastics-material regions, made of easy-to-grip material, are provided. 23. A hiking pole, trekking pole, Nordic walking pole ski pole or cross-country ski pole, having a clamping device as claimed in claim 6, for the length adjustment of at least two tube portions or three tube portions. 24. A clamping device for a hiking pole, trekking pole, Nordic walking pole ski pole or cross-country ski pole, for axially securing in a releasable manner a tube portion that can be pushed into an opening of the clamping device, wherein the clamping device comprises a plastics-material sleeve which engages essentially directly around the tube portion, at least along an axial portion, and clamps the same in the closed state,wherein the plastics-material sleeve, at least in the region engaging around the tube portion, has at least one axial slot, which renders the circumference of the plastics-material sleeve variable in this region, and is of essentially encircling design in the remaining axial region,wherein a respective protrusion is arranged on the plastics-material sleeve on either side of this slot,wherein these protrusions have a coaxial through-passage opening, which is arranged essentially perpendicularly to the axis of the tube portion and through which engages a transverse pin which, on the outside of the second protrusion, has a stop and, on the outside of the first protrusion, has a rotary pin for a clamping lever, this pin being arranged perpendicularly to the axis of the transverse pin and parallel to the axis of the tube portion,wherein the clamping lever has a lever arm which, with the clamping device closed, engages at least partially around the plastics-material sleeve, andwherein the clamping lever has an eccentric rolling region around the rotary pin, it being possible for the distance between the stop and a counter-surface, which is arranged on the outside of the first protrusion, to be reduced by means of this rolling region for clamping purposes, by virtue of the clamping lever being pivoted into the closed position,wherein the counter-surface is designed in the form of a metal element which is arranged, at least in part, in the first protrusion, in a depression, andwherein the metal element is designed in the form of a single-piece metal band which encircles the outside of the plastics-material sleeve, on the side located opposite the protrusions, and of which the first end is arranged on the outside of the first protrusion, the outside being directed toward the rolling region, in a depression and has a first aperture or a through-opening for the transverse pin, the central region of which band runs around the plastics-material sleeve, in an encircling depression, and the second end of which band is arranged on the outside of the second protrusion, this outside being directed toward the stop, in a depression, and has a second aperture or a through-opening for the transverse pin and/or a stop element.
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