| 摘要 |
PROBLEM TO BE SOLVED: To provide a driving device which can stably perform straight advance movement of a compact body to be driven such as a lens and can facilitate its assembly work. SOLUTION: The driving device is equipped with the body 3 to be driven supported to freely reciprocate in a through-hole part provided in the center of a base 2 in an axial center direction, and obtains driving force for movement through a string-like shape memory alloy 5 provided on the base. In the driving device, the body 3 is supported in such a state that both front and rear end faces in a moving direction of the body 3 are held between a pair of parallel leaf springs 4 fixed on the base 2, and also a first leaf spring 4A that is one of a pair of parallel leaf springs is made a leaf spring in a center impeller constitution, and a second leaf spring 4B that is the other of the pair of parallel leaf springs is made a leaf spring in cantilever constitution. COPYRIGHT: (C)2009,JPO&INPIT
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