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:
Feb. 21, 2023
Filed:
Sep. 14, 2021
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Fumio Nakazawa, Okazaki, JP;
Yoshinori Osakabe, Seto, JP;
Naoya Okazaki, Hashima-gun, JP;
Satoru Oki, Nagoya, JP;
Masahiro Hayashi, Nishio, JP;
Nanami Ashida, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
An ink tank includes: a first liquid storage chamber; a second liquid storage chamber communicating with the first liquid storage chamber through a communication passage; an injector having an opening supplying liquid to the first liquid storage chamber; a cap movable between an open position and a closed position with respect to the injector; a slide member which is inserted so as to be vertically movable with respect to the opening of the injector, the slide member being moved downward by the cap in the closed position; a valve body which is vertically movably inserted in the communication passage and includes a first sealing member opening the communication passage by moving downward together with the slide member moved downward by the cap in the closed position; and an urging member always urging the valve body upward.