Cam operated spring biased counterbalance hinge mechanism for cabinet lid or the like
US3955241A · kind A · utility
40Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1975 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Oct 16, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2201/638
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A counterbalance hinge mechanism for a cabinet lid includes a stationary cabinet affixed hinge rod serving to rotatably support a pair of axially stationary lid mounting cam members and to slidably support a pair of non-rotatable cam followers. An adjustable spring assembly serves to bias the cam followers into engagement with the cam members, whereby to counterbalance gravity induced torque effects of the lid throughout a substantial portion of lid opening movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.