IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0044621
(2002-01-09)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
32 인용 특허 :
10 |
초록
▼
A plastic wheel (122, 222) and wheel mounting sleeve (127, 227, 327, 427) used to releasably secure the wheel (122, 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227, 327, 427) preferably includes a resilient, radially displaceable, axially extending, cantilevered finger (146, 246, 3
A plastic wheel (122, 222) and wheel mounting sleeve (127, 227, 327, 427) used to releasably secure the wheel (122, 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227, 327, 427) preferably includes a resilient, radially displaceable, axially extending, cantilevered finger (146, 246, 346, 446) which includes an axle-engaging lug (155, 255, 355, 455), while a wheel-engaging shoulder is provided on the sleeve by an annular rib (201, 301). The sleeve shoulders latch the sleeve (127, 227, 327, 427) to the axle (123, 223) and the wheel (122, 222) to the sleeve. The sleeve (127, 227, 327, 427) includes an axle stabilizing recess (198, 298, 398, 498) positioned in an end wall (158, 258, 358, 458), which receives an axle stub (199, 299) that supports the axle (123, 223) against lateral loading and stabilizes it to reduce wobble, chatter and vibration.
대표청구항
▼
A plastic wheel (122, 222) and wheel mounting sleeve (127, 227, 327, 427) used to releasably secure the wheel (122, 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227, 327, 427) preferably includes a resilient, radially displaceable, axially extending, cantilevered finger (146, 246, 3
A plastic wheel (122, 222) and wheel mounting sleeve (127, 227, 327, 427) used to releasably secure the wheel (122, 222) onto an axle (123, 223). The wheel mounting sleeve (127, 227, 327, 427) preferably includes a resilient, radially displaceable, axially extending, cantilevered finger (146, 246, 346, 446) which includes an axle-engaging lug (155, 255, 355, 455), while a wheel-engaging shoulder is provided on the sleeve by an annular rib (201, 301). The sleeve shoulders latch the sleeve (127, 227, 327, 427) to the axle (123, 223) and the wheel (122, 222) to the sleeve. The sleeve (127, 227, 327, 427) includes an axle stabilizing recess (198, 298, 398, 498) positioned in an end wall (158, 258, 358, 458), which receives an axle stub (199, 299) that supports the axle (123, 223) against lateral loading and stabilizes it to reduce wobble, chatter and vibration. k mounted on the second wall of a bumper associated therewith adjacent to the hole defined through the second wall of the bumper associated therewith and extending in the direction of the length dimension of the rod extending through the hole in the bumper associated therewith and extending away from the second wall of the bumper associated therewith and away from the gap defined between the first wall of the bumper associated therewith and the second wall of the bumper associated therewith, the first ratchet rack including a body having a first end mounted on the second wall of the bumper associated therewith and a second end spaced apart from the first end of the ratchet rack, plurality of triangular teeth which are spaced apart from each other in the direction of the length dimension of the rod extending through the hole in the second wall of the bumper associated therewith, each triangular tooth of the plurality of triangular teeth including a base on the body of the first ratchet rack, an apex spaced apart from the body of the first ratchet rack, a leg extending from the base of the triangular tooth to the apex of the triangular tooth and a hypotenuse extending from the apex of the triangular tooth to the base of the triangular tooth, the hypotenuse being interposed between the leg of the triangular tooth and the second wall of the bumper associated therewith, (L) a second ratchet rack mounted on the second wall of a bumper associated therewith adjacent to the hole defined through the second wall of the bumper associated therewith and extending in the direction of the length dimension of the rod extending through the hole in the bumper associated therewith and extending away from the second wall of the bumper associated therewith and away from the gap defined between the first wall of the bumper associated therewith and the second wall of the bumper associated therewith, the second ratchet rack being spaced apart from the first ratchet rack with the hole being interposed between the first ratchet rack and the second ratchet rack, the second ratchet rack including a body having a first end mounted on the second wall of the bumper associated therewith and a second end spaced apart from the first end of the second ratchet rack, plurality of triangular teeth which are spaced apart from each other in the direction of the length dimension of the rod extending through the hole in the second wall of the bumper associated therewith, each triangular tooth of the plurality of triangular teeth of the second ratchet rack including a base on the body of the second ratchet rack, an apex spaced apart from the body of the second ratchet rack, a leg extending from the base of the triangular tooth of the second ratchet rack to the apex of the triangular tooth of the second ratchet rack
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