Extendable keyboard support assembly
US4890561A · kind A · utility
15Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1985 |
| Grant date | Jan 2, 1990 |
| Priority date | — |
| Expiry date | Feb 20, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47B2200/0046
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A keyboard support assembly for a computer work stand is disclosed comprising a subplate (74) having a profiled opening (98, 100) along each side, and a keyboard support plate (78) residing on top of the subplate. A pair of pivotal locking devices (138) are attached to the underside of the keyboard support plate to depend into the subplate profiled openings, and to selectively engage against an underside of the subplate as the keyboard support plate is slideably re-positioned thereon. The locking devices (138) include gear teeth 140 which engage with a gear rack segment 102 along the subplate underside.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.