US 12,434,480 B2
Liquid container and printing apparatus
Naruyuki Nojo, Kanagawa (JP); Junichiro Iri, Kanagawa (JP); Makoto Watanabe, Kanagawa (JP); Satoru Takahashi, Kanagawa (JP); Isao Otani, Kanagawa (JP); and Hiroaki Kusano, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 25, 2023, as Appl. No. 18/324,095.
Claims priority of application No. 2022-089493 (JP), filed on Jun. 1, 2022; and application No. 2023-023088 (JP), filed on Feb. 17, 2023.
Prior Publication US 2024/0017551 A1, Jan. 18, 2024
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17513 (2013.01) [B41J 2/1752 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A liquid container attachable to a printing apparatus and configured to contain a liquid to be supplied to the printing apparatus, comprising:
a container chamber configured to contain the liquid; and
a flow passage unit which is configured to supply the liquid contained in the container chamber to the printing apparatus, wherein the flow passage unit is located on a tip end side of the liquid container in a direction of attachment to the printing apparatus,
wherein the flow passage unit includes:
a supply member which has a cylindrical shape and which comprises a first opening formed inside the container chamber and a second opening formed outside the container chamber for supplying the liquid;
a sealing member which has a through hole and is press-fitted between the first opening and the second opening inside the supply member;
a valve body configured to open and close the through hole, wherein the valve body is located between the first opening and the sealing member; and
a liquid holding unit disposed on an inner surface of the supply member between the sealing member and the second opening, and further disposed at least on a direction of gravity in a case where the liquid container is attached to the printing apparatus,
wherein an extension length of the liquid holding unit in a direction in which the liquid is supplied is larger than a thickness of the liquid holding unit in an inner diameter direction of the second opening.