Fifth wheel for bed
US6725956B1 · kind B1 · utility
56Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 2003 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | May 6, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/0528
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fifth wheel support assembly having a frame with plural floor engaging wheels mounted thereon. A housing configured for movement relative to the frame is provided as is a spring mechanism oriented between the frame and the housing so as to continually urge the housing toward the floor. An auxiliary wheel is mounted for rotation on an axle secured to the housing. A drive motor mechanism is provided and is fastened between the frame and the housing to effect a raising and a lowering of the housing and the auxiliary wheel mounted thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.