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:
Mar. 16, 2010
Filed:
Aug. 10, 2006
Applicant:
Ryota Sasaki, Saitama, JP;
Inventor:
Ryota Sasaki, Saitama, JP;
Assignee:
Fujinon Corporation, Saitama-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An actuator is provided and has an electro-mechanical conversion element; a driving frictional member attached at one end of the electro-mechanical conversion element with respect to a direction of expansion and contraction thereof; a plurality of driven members frictionally engaged with the driving frictional member; a plurality of biasing units, each biasing one of the plurality of driven members to be frictionally engaged with the driving frictional member; and a biasing-force adjusting unit that adjusts respective biasing-forces of the plurality of biasing units.