Patent ID: 7992769
Filing Date: 2011-08-09
Classification: H04M

Abstract:
1. A positioning mechanism configured for positioning a keypad on a portable electronic device, comprising: a plurality of retainers made of elastic material, each retainer including a main portion and a fixing unit formed on the main portion; the main portion including an engaging surface and an opposite latching surface, a protrusion being formed on the engaging surface, a first positioning surface corresponding to a first portable electronic device being formed on the protrusion; the retainer being mounted to the keypad via the fixing unit; wherein each fixing unit includes a T-shaped latching member and a positioning pin, the latching member including a connecting component formed on the latching surface and a latching component connected to the connecting component, the positioning pin including a cylindrical component formed on the latching surface and a sphere component connected to an end of the cylindrical component, a diameter of the sphere component being larger than that of the cylindrical component, and a distance between the sphere component and the latching surface being larger than a length of the latching member.