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.:

US 7483651 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 27, 2009

Filed:

Dec. 20, 2006
Applicant:

Hiroaki Miyamura, Osaka, JP;

Inventor:

Hiroaki Miyamura, Osaka, JP;

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

A drive deviceincludes a motor, a planetary roller type power transmission unit and a drive control unit. The planetary roller type power transmission unit includes a plurality of planetary rollers, a ring, a fixed bodycovering the ringand having an aperturelocated so that a projecting portionis movable therein, a carrier roller, and an output shaft. A drive control unitcontrols the rotation of a motorof the drive device so that when the image forming device is not carrying out an image forming operation the projecting portionof the ringreciprocates within the apertureof the fixed body


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