Integrated linkage/pinch guard system for leg rests
US7959221B2 · kind B2 · utility
2Cited by
16References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2008 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20396
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A four-bar linkage system for a chair having a leg rest extension, the linkage system having a first set of linkage members of irregular geometric shapes connected at one end to an outboard portion of a leg extension platform and at a second end to a seat member. A second set of linkage members of irregular geometric shapes is connected to the first set of linkage members and at one end to an inboard portion of the leg rest platform and at a second end to the seat member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.