US 11,833,832 B2
Liquid storage container and liquid ejection apparatus
Eiji Okada, Tokyo (JP); Shinichi Miyauchi, Kanagawa (JP); and Akira Shiba, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 2, 2022, as Appl. No. 17/685,151.
Claims priority of application No. 2021-037186 (JP), filed on Mar. 9, 2021.
Prior Publication US 2022/0288940 A1, Sep. 15, 2022
Int. Cl. B41J 2/175 (2006.01); B41J 29/13 (2006.01)
CPC B41J 2/17523 (2013.01) [B41J 2/17503 (2013.01); B41J 2/17506 (2013.01); B41J 2/17509 (2013.01); B41J 2/17513 (2013.01); B41J 2/17553 (2013.01); B41J 29/13 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A liquid storage container comprising:
a storage chamber which stores a liquid;
a supply port which is capable of supplying the liquid into the storage chamber;
a hollow protruding portion which protrudes from the supply port; and
a plug member which is attachably and detachably attached to the supply port, wherein
the plug member includes:
a plug portion which is inserted into the protruding portion to seal the supply port;
a cover portion which is formed integrally with the plug portion and which covers the supply port from outside the storage chamber in a state where the plug portion is inserted in the protruding portion;
a pinch portion which is provided on the cover portion and which includes a first portion and a second portion which are opposite to each other; and
a hollow portion which is located between the first portion and the second portion and which extends from the cover portion into the plug portion,
the plug portion and the cover portion are made of an elastic body,
the hollow portion has an opening on the cover portion side, and
a width of the opening is narrowed and a side face of the plug portion is deformed toward the hollow portion by pinching the first and second portions.