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:
May. 19, 1981
Filed:
Apr. 23, 1979
Applicant:
Inventors:
Kiyohito Ebisawa, Tokyo, JP;
Satoshi Hisabayashi, Hachioji, JP;
Kazuyuki Hashimoto, Hachioji, JP;
Mitsuo Kuromori, Hachioji, JP;
Toshio Koike, Hachioji, JP;
Assignee:
Iwatsu Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355 10 ; 355 / ; 355 / ;
Abstract
An electrographic copying apparatus which includes a paper feeding device, a charging device, an exposure device, a developing device including a developing vessel, a developer feed pump, and pressure rollers, and a paper conveyor, wherein each operational device is operated in a predetermined sequence, the original to be copied can be easily set into place, photographic papers of various sizes are usable, the developer can easily be replenished, and a pressing roller can be easily removed when desired.