Counterbalance mechanism
US4091502A · kind A · utility
15Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1976 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | Nov 10, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A counterbalance mechanism including a cabinet mounted stationary hinge part; a movable hinge part pivotally mounted on the stationary hinge part and connected for conjunctive vertical swinging movement with a cabinet lid; and a counterbalance assembly including an adjustable compression spring arranged to bear adjacent its opposite ends on the hinge parts characterized in that the counterbalance assembly is constrained from swinging movements relative to the lid connected hinge part whereby to minimize mechanism installation space requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.