Patent ID: 8423099

Claim:
A rotating mechanism, comprising: a retaining plate having a curved cut-out defined therethrough, the cut-out comprising a first cut-out end and an opposite second cut-out end; a rotating plate being capable of rotating in a plane parallel to the plane of the retaining plate by a shaft; a pin slidably engaging with the cut-out and rotatably affixed to a hole on the rotating plate; a guiding assembly coupled between the rotating plate and the retaining plate to guide the rotating plate to rotate relative to the retaining plate; wherein the guiding assembly comprises a guiding pole retained to the rotating plate and a guiding groove engaging with the guiding pole, the guiding groove is defined in the retaining plate and is located at an inner side of the curved cut-out, the guiding groove comprises a first guiding groove end away from the cut-out and an opposite second guiding groove end adjacent to the cut-out; a distance between the first guiding groove end and the first cut-out end is equal to a distance between the second guiding groove end and the second cut-out end; when the rotating plate rotates relative to the retaining plate from a first position to a third position, the guiding pole slides from the first guiding groove end to the second guiding groove end with the pin sliding along the cut-out from the first cut-out end to the second cut-out end.