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:
Dec. 03, 1991

Filed:

Feb. 21, 1990
Applicant:
Inventor:

Takashi Noda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355206 ; 355245 ; 355326 ;
Abstract

A control member of image forming unit controls a driving motor so as to move a unit of combined developing devices in accordance with a developing mode or a specific operational condition which is set when the unit is moved to a toner supply position due to a shortage of toner. The control member functions so as to reserve the power cut off caused by malfunction until the unit is stopped at a predetermined position if it is still in the transit to the predetermined position.


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