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:
Sep. 11, 2012
Filed:
Feb. 24, 2011
Kazushi Nishikata, Odawara, JP;
Hisayuki Tomura, Izunokuni, JP;
Akio Nemoto, Susono, JP;
Kei Sawanaka, Susono, JP;
Masato Suzuki, Mishima, JP;
Yasuyoshi Hayakawa, Mishima, JP;
Kazushi Nishikata, Odawara, JP;
Hisayuki Tomura, Izunokuni, JP;
Akio Nemoto, Susono, JP;
Kei Sawanaka, Susono, JP;
Masato Suzuki, Mishima, JP;
Yasuyoshi Hayakawa, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The detachment of a feed roller rotatably supported by a holding portion provided in the main body of an apparatus, and held detachably in the axial direction thereof is restricted by a locking device. The locking device is made movable to a lock position and a lock releasing position for permitting the detachment of the feed roller. Further, when the locking device is in the lock releasing position when a sheet stacking portion is mounted, the locking device is moved to the lock position by a position changeover device in operative association with the mounting operation of the sheet stacking portion.