Patent ID: 8254044
Filing Date: 2012-08-28
Classification: F03G,G02B

Abstract:
1. A driving apparatus for driving a member to be driven comprising: two arm members configured to hold the member to be driven while being in contact with the member; a first biasing member connected to a first arm member, which is one of the two arm members, and configured to bias the member to be driven in a first direction, which is being in contact with the first arm member, by biasing the first arm member; a second biasing member configured to bias the member to be driven in a second direction different from the first direction via a second arm member, which is the other one of the two arm members; and a shape-memory alloy configured to swing the first arm member against the first biasing member by contraction when a drive current is supplied, wherein the member to be driven is moved, when the first arm member swings, in the second direction by the second biasing member while keeping contact with the two arm members.