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:
Oct. 11, 2011

Filed:

Sep. 18, 2008
Applicants:

Hiroyoshi Omura, Osaka, JP;

Yuuya Shimohara, Osaka, JP;

Inventors:

Hiroyoshi Omura, Osaka, JP;

Yuuya Shimohara, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2006.01); H02K 23/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drive unit includes a motor being a drive source, a velocity reduction gear for reducing the revolution of the motor, an output shaft for connecting the velocity reduction gear to the rotation shaft of a photosensitive drum, and a velocity detection mechanism including an encoder and sensor members and detecting the revolution of the output shaft. The velocity reduction gear and the velocity detection mechanism are placed in a unit housing including a housing body made of a resin with one end opened and a support plate made of metal closing the opening of the housing body, and the output shaft is rotatably supported by the housing body and the support plate.


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