Retractable awning fabric cover for watch, has control device connected with driving gear and actuating driving gear to lead driving gear unit, driven gear unit, chain and roller, which are functioned simultaneously

摘要

The cover has a driving gear unit (30) mounted on a frame (10). A chain (34) couples a left end and a right end of a movable edge (201) of the cover such that the movable edge of the cover is simultaneously moved forward or toward a back part of the chain to allow the extension or the retraction of the cover. A control device (40) is connected with a driving gear, and actuates the driving gear to lead the driving gear unit, a driven gear unit (31), the chain and a roller, which are functioned simultaneously.