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. 06, 2013
Filed:
Jul. 09, 2012
Yuzo Matsumoto, Abiko, JP;
Tetsuro Fukusaka, Abiko, JP;
Yoshitaka Yamazaki, Abiko, JP;
Taishi Tomii, Toride, JP;
Yuzo Matsumoto, Abiko, JP;
Tetsuro Fukusaka, Abiko, JP;
Yoshitaka Yamazaki, Abiko, JP;
Taishi Tomii, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet feeding apparatus and an image forming apparatus are provided. When sheets are adsorbed to an adsorption conveyance belt, a suction shutter is switched from a block position to block a negative pressure to an adsorption position to adsorb the sheets by the negative pressure. When the sheets conveyed in an overlapping manner reaches a predetermined number and the next sheet is adsorbed, the timing to switch the suction shutter to the adsorption position is delayed compared to the timing at which a preceding sheet adsorbed in advance and a subsequent sheet overlap.