Patent ID: 7848034
Filing Date: 2010-12-07
Classification: G02B,H02K

Abstract:
1. A flat spring plate, comprising: an outer closed-loop frame having a plurality of evenly spaced outer connection parts and a plurality of elongated side frame members each interconnected between the two corresponding adjacent outer connection parts; an inner closed-loop frame concentric with and surrounded by the outer frame, the inner frame having a plurality of evenly spaced inner connection parts; and a plurality of spring parts interconnected between the respective outer connection parts of the outer frame and the respective inner connection parts of the inner frame, wherein each of the spring parts includes a U-shaped part adjacent to the corresponding outer connection part, a curved part adjacent to the corresponding inner connection part, and an elongated intermediate part interconnected between the U-shaped part and the curved part, each elongated intermediate part is substantially parallel to the corresponding side frame member of the outer frame.