Pre-assembled and pre-tensioned shade with indexing gear tensioner
US8739854B2 · kind B2 · utility
18Cited by
26References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jul 2, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/807
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A movable assembly having a counterbalance gear tensioner includes a covering, a rotatable storage roll with a hollow interior that carries the covering, and a counterbalance assembly that is received in the hollow interior to assist in movement of the covering. A gear tensioner is also received in the hollow interior, rotates with the rotatable storage roll, and is coupled to the counterbalance assembly to adjust a tension force of the counterbalance assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.