Caster wheel retention device
US5167048A · kind A · utility
20Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | May 10, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2301/046
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A caster retention device is disclosed that supresses flutter or shimmy of a caster wheel and that is easily adjustable. The device includes a caster stem receiving chamber in which a bushing is disposed. The bushing receives a caster stem assembly that includes bearing elements. An adjustable locking device secures the stem assembly within the bushing and is positioned at an opening of the receiving chamber. In one embodiment the device may include first and second collars that are useful for adjusting a preload on the bearings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.