Walker wedge
US7445008B1 · kind B1 · utility
10Cited by
12References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 1999 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Sep 7, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2205/40
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cushion for use with a variety of types of seats, for example, automotive seats, to adjust the sacrum thereby pivoting the pelvis to assist in maintaining the spine in equilibrium. The cushion is preferably separate from the seat and has central and end support areas that have a density or compressibility that is greater than that of the interconnecting portions. The central area is also provided with one of a plurality of inserts that individually have varying compressibility so that the compressibility of the central area is variable by changing between the inserts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.