Mechanism for tensioning a compensation spring for a closing or sun protection installation
US7325584B2 · kind B2 · utility
7Cited by
7References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 27, 2003 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Feb 13, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B9/60
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a mechanism comprising at least one spring (3) for compensating the weight of a closing screen, said spring (3) being fixed, at one of its ends (32), to a ring (6) which is rotatably arranged around a shaft (4) having a circular cross-section. A stop spring (7) which is arranged around the shaft (4) ensures a one-way coupling between the ring (6) and the shaft (4), means (8) being provided for controlling the centripetal effort exerted on said shaft (4) by the stop spring (7).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.