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:
Sep. 12, 1978
Filed:
Dec. 20, 1976
Applicant:
Inventors:
Katsuhiko Kimura, Hachioji, JP;
Masaji Nishikawa, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 29123 ; 355 / ;
Abstract
A photosensitive screen drum for electrographic apparatuses. The photosensitive screen drum comprises a photosensitive screen wound around a cylindrical supporting body composed of a pair of insulating discs rotatably mounted on a fixed shaft and spaced apart from each other and an electric conductive supporting member formed into an arcuate segment and connecting the insulating discs. The electric conductive supporting member is provided at least its inner surface with an insulating coating.