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:
Feb. 04, 1992
Filed:
Jun. 27, 1990
Applicant:
Inventors:
Yoshifumi Nishimoto, Yokohama, JP;
Masahiko Igaki, Tokyo, JP;
Kenichi Kataoka, Yokohama, JP;
Naruto Sugimoto, Yokohama, JP;
Hiroyuki Seki, Urawa, JP;
Atsushi Kimura, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
271266 ; 271 182 ; 271 42 ; 271267 ;
Abstract
An improved sheet feeding device of this invention includes a variable pressure applying unit for changing a contact pressure between a sheet and vibration members.