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. 29, 1981
Filed:
Jul. 09, 1979
Applicant:
Inventors:
Hitoshi Yanagawa, Tokyo, JP;
Motofumi Konishi, Yokohama, JP;
Yoshio Ando, Chigasaki, JP;
Kazuo Kashiwagi, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 57 ; 242188 ;
Abstract
A web winding apparatus for automatically winding a web, wherein a winding shaft is driven by a driving device, said winding shaft being adapted, in response to the rotation thereof, to generate pulse signals of which interval is detected to identify whether the web is correctly wound on said winding shaft. In case the web is not correctly wound on the winding shaft, it is cut off from the driving device to prevent damage or breakage of the web.