US 12,145,372 B2
Liquid storage container and method for manufacturing the same
Masahisa Watanabe, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 3, 2023, as Appl. No. 18/501,937.
Application 18/501,937 is a division of application No. 17/945,666, filed on Sep. 15, 2022, granted, now 11,833,830.
Application 17/945,666 is a division of application No. 17/115,083, filed on Dec. 8, 2020, granted, now 11,472,188, issued on Oct. 18, 2022.
Claims priority of application No. 2019-230164 (JP), filed on Dec. 20, 2019.
Prior Publication US 2024/0059071 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17513 (2013.01) [B41J 2/17503 (2013.01); B41J 2/17566 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A liquid storage container comprising:
a container main body capable of storing a liquid inside the container main body, wherein the container main body includes:
a frame portion, and
a base portion protruding from an inner wall surface of the frame portion;
a rotation member rotating around a rotational axis due to fluctuation in a liquid level of the liquid, wherein the rotation member includes:
a float portion,
a display portion configured to be visible from an outside, and
a connection portion connected to the float portion and the display portion having a hole which matches the rotational axis; and
a supporting member formed integrally with the base portion and rotatably supporting the rotation member, wherein the supporting member includes:
a pin inserted into the hole and rotatably supporting the rotation member, and
a displacement regulation portion regulating displacement of the rotation member in the rotational axis direction.