Roller blind structure
US7207371B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jul 28, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2405
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A novel roller blind structure includes a roller blind made up of a roller shaft, a side winder with a linkage member attached at both ends of the roller shaft respectively to be actuated by an operating member, and a pivoting post respectively protruding at the outer side of the side winder and the linkage member thereof to be mounted to an upper beam thereby wherein, when pulled by the operation member thereof, the side winders and the linkage member will actuate the roller shaft to rotate either clockwise or counterclockwise accordingly so as to control the rolling or unrolling operation of a blind body having an extension piece of a proper length preset at the lower section thereof to be wound backwards and led upwards to be levelly fixed to the inner wall of the upper beam thereof. A counterweight member is retained at the curving turn of the blind body thereof to neatly separate in space the extension piece thereof from a decoration piece disposed at the front section of the blind body thereon. Both the extension piece and the decoration piece of the blind body are respectively equipped with a plurality of light-passable areas alternatively arranged with a plurality of black-…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.