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:
Aug. 03, 2010

Filed:

Jun. 04, 2008
Applicants:

Yoshihiko Mitamura, Ebina, JP;

Susumu Kibayashi, Ebina, JP;

Itaru Satoh, Ebina, JP;

Norio Hokari, Ebina, JP;

Yutaka Morita, Ebina, JP;

Inventors:

Yoshihiko Mitamura, Ebina, JP;

Susumu Kibayashi, Ebina, JP;

Itaru Satoh, Ebina, JP;

Norio Hokari, Ebina, JP;

Yutaka Morita, Ebina, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus has a plurality of image carriers, a common drive source which drives the plurality of image carriers and a drive shaft that is connected to and driven by the drive source. It also has a plurality of worm gears that are provided corresponding to the plurality of image carriers and are formed coaxially with the drive shaft, and a plurality of worm wheels that are respectively meshed with the respective worm gears and respectively transmit drive forces of the worm gears to the image carriers. The plurality of worm gears are made of a resin material, and the worm gears and the worm wheels drive the plurality of image carries by making use of the elastic deformation of the worm gears when the worm gears and the worm wheels are respectively meshed with each other.


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