The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2014
Filed:
Feb. 21, 2012
Kaoru Matsuki, Kawasaki, JP;
Kaoru Matsuki, Kawasaki, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A shape memory alloy actuator includes a shape memory alloy wire portion, a non-deformable portion, a wire portion which is formed by the shape memory alloy wire portion and the non-deformable portion, and which is inserted into a tube member, a movable body which is movable in a direction in which the length of the shape memory alloy wire portion changes, an elastic member which exerts an external force in a direction in which, the shape memory alloy wire portion elongates, and a fixed member to which, one end of the tube member and one end of the shape memory alloy wire portion are fixed. One end of the non-deformable portion which forms the wire portion is connected to the movable body, and the tube member includes therein the shape memory alloy wire portion, and includes therein at least a part of the non-deformable portion.