Patent ID: 7823620
Filing Date: 2010-11-02
Classification: E06B

Abstract:
1. A system for mounting a roller shade including a roller tube adapted to wind and unwind a shade fabric, the roller tube having opposite first and second ends, the mounting system comprising: a mounting tube adapted to be rotatably supported at opposite ends thereof, the mounting tube and the roller tube having substantially equal length; and first and second annular drive rings located on an outer surface of the mounting tube, the mounting tube and the drive rings being received within an interior of the roller tube such that the first and second drive rings define first and second support points for the roller tube respectively located at a distance from the first and second ends of the roller tube for limiting sagging deflection of the roller tube, the drive rings being secured to the mounting tube and the roller tube being secured to the drive rings such that rotation of the mounting tube results in rotation of the roller tube.