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:
Aug. 21, 2012
Filed:
Jul. 23, 2009
Hiroto Koga, Abiko, JP;
Hisakazu Okubo, Moriya, JP;
Shinsuke Ubayashi, Kashiwa, JP;
Yusuke Imai, Abiko, JP;
Hiroto Koga, Abiko, JP;
Hisakazu Okubo, Moriya, JP;
Shinsuke Ubayashi, Kashiwa, JP;
Yusuke Imai, Abiko, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a sheet feeding apparatus and an image forming apparatus in which generation of a hollow at a separation roller can be prevented. A sheet separating and feeding portionwhich separates and feeds sheets S one by one sent by a pickup rollerincludes a feed rollerand a retard rollerwhich is arranged rotatably in the direction opposite to a sheet feeding direction and which is capable of rotating along with a rotation of the feed rollerwhile being press-contacted to the feed roller. Then, the feed rolleris rotated by a predetermined amount so as to rotate the retard rollervia the sheet S after job completion.