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:
Oct. 26, 1976
Filed:
Apr. 02, 1975
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118637 ; 355-4 ;
Abstract
In a developing device for developing an electrostatic image on an image carrier member, a plurality of developing units for supplying predetermined color developers are supported by support means having a movable support member for revolvably supporting each of the developing units and for moving each of the developing units along a common circumference. The support means is driven by drive means. Orientation regulating means is connected to each of the developing units to maintain the same in a predetermined orientation.
Katayama, Hajime. (1976). Developing device (U.S. Patent No. 3987756). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3987756
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