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.

Date of Patent:
Mar. 20, 2012

Filed:

Mar. 25, 2010
Applicants:

Hidefumi Abe, Sendai, JP;

Hideki Sasaki, Sendai, JP;

Toshiro Mayumi, Shibata-gun, JP;

Eishin Matsumoto, Souma, JP;

Inventors:

Hidefumi Abe, Sendai, JP;

Hideki Sasaki, Sendai, JP;

Toshiro Mayumi, Shibata-gun, JP;

Eishin Matsumoto, Souma, JP;

Assignee:

Keihin Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotary actuator including: a housing that rotatably supports thereinside a rotor shaft of an electric motor; an eccentric shaft portion that is provided on a protruding end portion of the rotor shaft that protrudes outside the housing; an external gear that is rotatably supported on the eccentric shaft portion via a bearing; an internal gear that is fixed to an outer surface of the housing and meshes with the external gear; and a transmitting portion that is provided on the external gear, and transmits rotation force to an external output shaft.


Find Patent Forward Citations

Loading…