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:
Mar. 04, 1997
Filed:
Nov. 13, 1992
Kazuo Iwata, Yokohama, JP;
Masanori Takenouchi, Yokohama, JP;
Kenjiro Watanabe, Tokyo, JP;
Toshihiko Ujita, Yamato, JP;
Torachika Osada, Yokohama, JP;
Kazuhiro Nakajima, Yokohama, JP;
Hidemi Kubota, Komae, JP;
Yasuo Kotaki, Yokohama, JP;
Keiichiro Tsukuda, Kawasaki, JP;
Yohei Sato, Yokohama, JP;
Takashi Saito, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink container includes a cylindrical member having a closed end and an opposite open end; and a flexible member covering the open end of the cylindrical member to define an ink containing portion. The flexible member has a bottom portion and a bent portion that is movable along an internal surface of the cylindrical member with consumption of the ink therein, wherein the bottom portion is less easily deformable than the bent portion and movement of the bent portion is irreversible.