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:
Jun. 12, 1990

Filed:

Jun. 03, 1988
Applicant:
Inventors:

Atsushi Kakuta, Hitachiota, JP;

Tetsuo Ishikawa, Hitachi, JP;

Makoto Kobayashi, Ibaraki, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355271 ; 271107 ; 355274 ; 428458 ;
Abstract

An electrophotographic apparatus comprising an electrophotographic photosensitive member, a means of forming an electrostatic latent image on the photosensitive member by an electrostatic method, a means of developing the latent image with a developer, a means of conveying a recording medium onto which the developer image is transferred, and a means of transferring the developer image onto the recording medium, wherein, a guide installed in the means of conveying the recording medium is partly coated with a resin film, with which the recording medium is brought into contact, so as to have a volume resistivity of 10.sup.12 to 10.sup.16 .OMEGA.cm at normal temperature and humidity, that is, at 20.degree. C. and 50% RH and abrasion loss of 5 mg or below as measured in accordance with Taber's test method (load 1.0 Kg, revolution 70 rpm, total number of revolutions 1.times.10.sup.3).


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