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:
Nov. 03, 1981
Filed:
Feb. 22, 1980
Applicant:
Inventors:
Hiroshi Katakura, Fuchu, JP;
Takashi Tamura, Higashimine, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 85 ; 355 / ; 355104 ;
Abstract
In a copying machine having a drum of the type in which a master sheet is detachably attached to the periphery of the drum, the improvement comprising a rotary shaft for supporting the drum, clutch means provided between the drum and a driving member for rotating the drum, a pair of fastening members mounted on the drum for attaching both ends of the master sheet onto the drum, wherein at least one of fastening members is moved from a fastening condition to removing condition by the relative displacement of the drum and the driving member.