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:
Dec. 14, 1993
Filed:
Jan. 04, 1993
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet post-processing apparatus includes a stapling unit including a detachable staple cartridge for holding staples attached in series, a staple driving device for sequentially driving the series of staples into sheets from a front-end portion, and a staple feeder for feeding the staples from the staple cartridge to the staple driving device. The sheet post-processing apparatus further includes a cartridge regulating device engageable with the staple cartridge for inhibiting detachment of the staple cartridge as a result of the engagement, a detector for detecting the presence or absence of the staples, and a releasing device for disengaging the regulating device when the absence of staples is detected by the detector to allow removal of the staple cartridge for replacement of the staples.