US 12,064,973 B2
Liquid cartridge and liquid ejection apparatus
Shinji Kishikawa, Tokyo (JP); Keisuke Kouno, Kanagawa (JP); Hiroki Hayashi, Kanagawa (JP); and Tatsuo Nanjo, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 31, 2023, as Appl. No. 18/162,537.
Application 18/162,537 is a division of application No. 17/243,351, filed on Apr. 28, 2021, granted, now 11,597,210.
Claims priority of application No. 2020-089605 (JP), filed on May 22, 2020.
Prior Publication US 2023/0173817 A1, Jun. 8, 2023
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17553 (2013.01) [B41J 2/17596 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A liquid cartridge comprising:
a storage chamber configured to store liquid;
a liquid supply unit configured to supply the liquid stored in the storage chamber to an outside;
a first partition configured to section an inside of the storage chamber from an atmosphere;
an atmosphere communication hole disposed in the first partition and configured to allow the inside of the storage chamber to communicate with the atmosphere;
a valve unit configured to be movable to a position to close the atmosphere communication hole and a position to open the atmosphere communication hole; and
a lever configured to fix the valve unit to the position to close the atmosphere communication hole by pressing the valve unit and configured to be capable of moving the valve unit to the position to open the atmosphere communication hole by removing the pressing against the valve unit,
wherein the lever is configured to remove the pressing against the valve unit by moving in a direction intersecting a direction in which the valve unit moves,
wherein the lever includes a pressing unit configured to press the valve unit and a supporting unit configured to support the pressing unit,
wherein the liquid cartridge further comprises a second partition disposed on an opposite side of the storage chamber in relation to the first partition, wherein the second partition is configured to hold the supporting unit,
wherein an assembling hole is formed in the second partition, and
wherein the supporting unit is inserted into the assembling hole.