Patent ID: 7991440
Filing Date: 2011-08-02
Classification: H04M,Y10T

Abstract:
1. A rotary mechanism, comprising: a base; a cover rotatably mounted on the base; a toothed element on a surface of the cover facing the base, the toothed element defining a plurality of toothed grooves around a peripheral wall thereof; and an elastic sheet including a main body with an engaging portion formed in the middle thereof configured on a surface of the base facing to the cover, the engaging portion rotatably engaging the plurality of toothed grooves, a connecting portion extending from each end of the main body, and a second receiving groove having a bottom wall defined in the surface of the base facing to the cover, two fixing portions formed on the bottom wall of the second receiving groove, the elastic sheet received in the second receiving groove, and each connecting portion fixed to one of the fixing portions.