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:
Jul. 27, 1993
Filed:
Jan. 27, 1992
Applicant:
Inventors:
Jun Saito, Kawasaki, JP;
Toshiyuki Asakawa, Sagamihara, JP;
Akira Higeta, Yokohama, JP;
Toru Kameyama, Tokyo, JP;
Assignees:
Canon Kabushiki Kaisha, Tokyo, JP;
Dai-Ichi Seiki Kogyo Co., Ltd., Ibaraki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ;
U.S. Cl.
CPC ...
271121 ; 271126 ; 271160 ;
Abstract
This invention relates to a sheet feeding apparatus with a support for stacking sheets; feeding roller for feeding out sheets stacked on the support; a plurality of urging members for urging the stacked sheets against the feeding roller; and a stopper for releasing at least one of the plurality of urging members from urging against the stack of sheets whenever the amount of sheets is less than a predetermined level.