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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.:

US 4163892 B1

PDFFull Text
Date of Patent:
Aug. 07, 1979

Filed:

Dec. 08, 1976

Fixing apparatus

Applicant:
Inventors:

Toshiyuki Komatsu, Kawasaki, JP;

Yoshio Takasu, Tokyo, JP;

Motoharu Fujii, Tokyo, JP;

Susumu Sugiura, Yamato, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

C L Albritton

Int. Cl.
CPC ...
H05B / ; G03G / ;
U.S. Cl.
CPC ...
219216 ; 219388 ; 219469 ; 432 60 ; 432228 ;
Abstract

Apparatus for fixing a toner image on a support by pressing and heating it. To heat the toner image, the apparatus comprises first heating means for heating it with transmission or convection heat and second heating means for heating the same with radiation heat. A detecting means detects the temperature of the first heating means and in accordance with the detected information the second heating means is controlled so as to maintain the thermal condition for fixing in a constant and stable state with improved thermal efficiency.

Find Patent Forward Citations

Komatsu, Toshiyuki. (1979). Fixing apparatus (U.S. Patent No. 4163892). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4163892

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