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:
Oct. 13, 1987
Filed:
Feb. 19, 1987
Applicant:
Inventors:
Osamu Asakura, Tokyo, JP;
Mineo Nozaki, Kawasaki, JP;
Yoshio Uchikata, Kawasaki, JP;
Masasumi Nagashima, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41S / ;
U.S. Cl.
CPC ...
400568 ; 400569 ; 74625 ;
Abstract
There is provided a sheet advancing device including a driving source for driving a sheet advancing roller, a manual advancing member for manual drive of the sheet advancing roller, detention mechanism with a detention function for elastic detent of rotation of the sheet advancing roller at a determined position, and control means for disabling the detention function in sheet advancement with the drive source but enabling the detention function in sheet advancement with the manual advancing member.