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:
Jan. 15, 2013
Filed:
Oct. 09, 2009
Applicants:
Koichi Masuzawa, Chiba, JP;
Kenichi Kudo, Chiba, JP;
Inventors:
Koichi Masuzawa, Chiba, JP;
Kenichi Kudo, Chiba, JP;
Assignee:
Seiko Precision Inc., Narashino-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade drive device includes: a board that has an opening; a blade that opens and closes the opening; and a drive source that drives the blade. The drive source includes a rotor rotatably supported and a stator for applying a rotational force to the rotor. The stator, around which a coil for excitation is wound, has a fitting hole fitted with a projective portion formed on the board and has a rectangular shape.