Gas springs with different active lengths to provide plural stable stopping positions
US4706333A · kind A · utility
6Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1986 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Mar 3, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S16/36
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In an arrangement of gas springs as weight counter-balance and retaining device for a part pivotable substantially about a horizontal axis such as a flap, lid or door, a simple construction is required which guarantees two stable open positions for the pivotable part. This is guaranteed in that two gas springs are arranged where the first of the two gas springs possesses an outward thrust force acting over the entire range of displacement of the pivotable part, while the second gas spring possesses an outward thrust force acting over a part of the displacement range and an additional force-free displacement range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.