Plastic wheel assembly and mounting sleeve with stabilizing recess
US6637835B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2002 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jan 9, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65F1/1473
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.