US 12,103,313 B2
Ink tank, liquid storage unit, and liquid ejection apparatus
Atsushi Omura, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Aug. 18, 2022, as Appl. No. 17/890,921.
Claims priority of application No. 2021-146464 (JP), filed on Sep. 8, 2021.
Prior Publication US 2023/0074874 A1, Mar. 9, 2023
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17513 (2013.01) [B41J 2/17523 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An ink tank comprising:
a joint pin to be inserted into a joint hole located at a liquid storage unit;
a reservoir portion configured to internally reserve ink supplied via the joint hole and the joint pin; and
a movable portion capable of moving inside the reservoir portion,
wherein as a protruding portion located at the liquid storage unit is inserted into a concave portion formed in the movable portion while being in contact therewith, the movable portion moves from a first position to a second position higher than the first position.