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:
Apr. 16, 1991
Filed:
Jan. 22, 1990
Applicant:
Inventors:
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355259 ; 118653 ; 118657 ; 355251 ;
Abstract
A developing device adjoins a rotatably arranged a photoreceptor, and is internally provided with a rotatably disposed developing roller confronting the photoreceptor, a cylindrically formed flexible film member having a peripheral length longer than that of the developing roller and loosely mounted thereover, a first member for forming a slack of the film member, for example, a regulating blade or a cleaning blade, a second member for controlling the position of the slack of the film member, for example, a magnet.