US 12,441,120 B2
Ink cartridge
Yijing Zhu, Zhuhai (CN); Jingzhang Xia, Zhuhai (CN); Shichao Liang, Zhuhai (CN); Haoming Ma, Zhuhai (CN); Zhizheng Jia, Zhuhai (CN); and Jiabiao Huang, Zhuhai (CN)
Assigned to ZHUHAI NINESTAR MANAGEMENT CO., LTD., Zhuhai (CN)
Filed by ZHUHAI NINESTAR MANAGEMENT CO., LTD., Guangdong (CN)
Filed on Mar. 17, 2023, as Appl. No. 18/185,651.
Application 18/185,651 is a continuation of application No. PCT/CN2021/117031, filed on Sep. 7, 2021.
Claims priority of application No. 202022074579.X (CN), filed on Sep. 21, 2020; application No. 202023127670.X (CN), filed on Dec. 23, 2020; application No. 202120086012.6 (CN), filed on Jan. 13, 2021; application No. 202120086036.1 (CN), filed on Jan. 13, 2021; and application No. 202120428768.4 (CN), filed on Feb. 26, 2021.
Prior Publication US 2023/0219345 A1, Jul. 13, 2023
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17553 (2013.01) [B41J 2/1752 (2013.01); B41J 2/17526 (2013.01); B41J 2/1753 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An ink cartridge detachably mounted in a mounting part of an image forming device, the ink cartridge comprising:
a cartridge body comprising an ink accommodating chamber for storing an ink;
a recess part disposed on an upper side of the cartridge body and comprising a side wall, wherein at least a portion of the side wall is configured to limit a relative position between the ink cartridge and the image forming device in a first direction;
a chip disposed in the recess part; and
a positioning part disposed above the side wall, wherein in a second direction, at least a portion of the positioning part is located on a rear end side of the chip and is configured to limit the relative position between the ink cartridge and the image forming device in a third direction; wherein the first direction is a width extension direction of the cartridge body, the second direction is a mounting direction of the ink cartridge mounted to the mounting part, and the third direction is a height extension direction of the cartridge body;
wherein the side wall comprises a rear side wall;
the positioning part is disposed on an extension wall of the rear side wall;
the extension wall is flush with the rear side wall, and the extension wall is located above the recess part; and
the rear side wall has a first surface, and the positioning part protrudes out of the first surface and extends in the second direction.