Flush-mounted crank
US5230290A · kind A · utility
15Cited by
16References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1992 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Jun 9, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20864
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The invention is a crank which is flush-mounted into a work surface and provides for raising or lowering a vertically adjustable work surface. The crank can be raised from its stored position to a fixed position above the work surface and unfolded providing for rotating the crank to raise or lower the work surface by causing an adjustment screw to thread in or out of an adjustment nut. The crank is returned to its stored position or flush-mounted by folding the crank and pressing downward.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.