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. 11, 1993
Filed:
Mar. 16, 1992
Applicant:
Inventors:
Yoshihiro Naruse, Ichikawa, JP;
Tomokimi Mizuno, Chiryu, JP;
Mitsuhiro Ando, Tokyo, JP;
Naomasa Nakajima, Tokyo, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385147 ;
Abstract
An actuator is comprised of a main body having an opening at its one side, an inner space defined within the main body and filled with an amount of thermally expansive gas, a substance for converting the light into the heat which is accommodated in the inner space, a guide device for guiding light into the second portion of the inner space, and a membrane connected to the side of the main body for closing the opening and deflected previously toward the inner space so as to establish a snap action toward outward of the main body when the inner pressure exceed a set value.