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:
Nov. 17, 2015
Filed:
Nov. 01, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshiyuki Batori, Suntou-gun, JP;
Toshiaki Takeuchi, Susono, JP;
Ryuta Murakami, Suntou-gun, JP;
Daisuke Makiguchi, Izunokuni, JP;
Junichi Matsumura, Numazu, JP;
Hiroomi Matsuzaki, Mishima, JP;
Kazuki Matsumoto, Fuji, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A cartridge includes: a toner chamber, provided with an opening, for accommodating a toner; and a seal member including a sealing portion, elongated in a longitudinal direction of the cartridge, for unsealably sealing the opening and a mounting portion for being mounted on an unsealing member to unseal the opening. The sealing portion includes a first sealing portion located at a longitudinal end portion and a second sealing portion located at a longitudinal central portion. With respect to a direction crossing the longitudinal direction, a length between the first sealing portion and the mounting portion of the seal member is shorter than a length between the second sealing portion and the mounting portion.