Patent ID: 7697216

Claim:
A lens drive device comprising: a movable lens body which is provided with a lens; a support body which movably supports the movable lens body through a plate spring in an optical axis direction; and a magnetic drive mechanism for driving the movable lens body in the optical axis direction; wherein the plate spring comprises: an outer side connecting part which is connected with the support body; an inner side connecting part which is connected with the movable lens body; and a plurality of arm parts which is connected with the inner side connecting part through an inner connecting portion and the outer side connecting part through an outer connecting portion; and wherein each of the plurality of arm parts comprises a meandering part; wherein the meandering part comprises extending parts which are extended in a radial direction of the inner side connecting part and are serially connected with each other through inner side turning portions and outer side turning portions so that the extending parts are juxtaposed in the circumferential direction of the inner side connecting part.