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:
Feb. 22, 1994
Filed:
Oct. 11, 1991
Applicant:
Inventors:
Makoto Sakanobe, Kanagawa, JP;
Yoshikazu Tamura, Ebina, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355239 ; 355212 ; 355229 ;
Abstract
A screen lamp can be mounted easily. A belt type photoreceptor 15 is rotatably provided along a plurality of rollers 14 and 14-1, and a screen lamp 28 is mounted on there are side of the belt type photoreceptor 15 with respect to the rollers 14-1. The rollers 14-1 maintain a predetermined clearance between the belt type photoreceptor 15 and the screen lamp 28. And a pattern exposing device which ensures small size, simple construction and low cost is disclosed.