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:
Sep. 14, 1982

Filed:

Feb. 03, 1981
Applicant:
Inventor:

Osamu Okada, Toyokawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355 / ; 355 / ; 355 / ; 432-4 ; 432 11 ; 432 35 ; 271256 ; 271262 ; 271263 ;
Abstract

An electrophotographic copying machine comprises at least one paper supply unit from which a copying is automatically supplied towards a processing station, a manual feed mouth through which a copying paper is manually inserted into the machine, an electrophotographic processing unit for forming thermally fusible powder image on the copying paper, and a heat-fixing device for fusing and fixing the powder image on the copying paper. This machine is provided with a manual paper feed inhibiting device operable in such a manner the manual feed of the copying paper through the manual feed mouth is permitted only when and after the heat fixing device has attained the predetermined high temperature.


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