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:
Apr. 21, 2025
Filed:
Feb. 05, 2024
Seiko Epson Corporation, Tokyo, JP;
Tadahiro Mizutani, Shiojiri, JP;
Taku Ishizawa, Matsumoto, JP;
Noriyuki Fukasawa, Shiojiri, JP;
Naomi Kimura, Okaya, JP;
Shoma Kudo, Shiojiri, JP;
Manabu Akahane, Tatsuno-machi, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
An ink refill container configured to refill an ink tank with ink includes a container main body having an ink chamber; an ink outlet forming portion provided at an edge of the container main body including an ink outlet configured to allow ink to flow out from the ink chamber; a valve provided in ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to ink tank when valve is opened. The positioning structure has a positioning surface located on an opposite side to a container main body side where the container main body is located, across the valve and extends in a direction intersecting with a center axis of the ink outlet.