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:
Mar. 01, 1994
Filed:
Aug. 20, 1992
Applicant:
Inventor:
Yasunori Kawaishi, Narashino, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355272 ; 355271 ;
Abstract
A multicolor image forming apparatus having an image transfer structure capable of preventing a transferred image and an image formed on a photoconductive element from being dislocated from each other. A backup roller facing a photoconductive element and a tension roller are movable toward and away from the element at the same time over the same distance. A single cam intervenes between support members supporting the two rollers and moves the rollers by half a rotation thereof.