Counterbalance mechanism
US5180136A · kind A · utility
13Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1991 |
| Grant date | Jan 19, 1993 |
| Priority date | — |
| Expiry date | Aug 19, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/044
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A counterbalance mechanism including a pair of interconnected parallelogram linkages provided with counterbalance springs, and an adjustment for simultaneously controlling the counterbalance effect of the springs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.