US 12,135,523 B2
Developing cartridge
Nao Itabashi, Nagoya (JP); and Junichi Yokoi, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Oct. 6, 2023, as Appl. No. 18/482,118.
Application 18/482,118 is a continuation of application No. 17/689,186, filed on Mar. 8, 2022.
Application 17/689,186 is a continuation of application No. 17/380,347, filed on Jul. 20, 2021, granted, now 11,275,337, issued on Mar. 15, 2022.
Application 17/380,347 is a continuation of application No. 17/015,185, filed on Sep. 9, 2020, granted, now 11,073,786, issued on Jul. 27, 2021.
Application 17/015,185 is a continuation of application No. 16/272,095, filed on Feb. 11, 2019, granted, now 10,782,644, issued on Sep. 22, 2020.
Application 16/272,095 is a continuation of application No. 16/030,985, filed on Jul. 10, 2018, granted, now 10,203,651, issued on Feb. 12, 2019.
Application 16/030,985 is a continuation of application No. 15/280,679, filed on Sep. 29, 2016, granted, now 10,031,472, issued on Jul. 24, 2018.
Claims priority of application No. 2015-254202 (JP), filed on Dec. 25, 2015.
Prior Publication US 2024/0027952 A1, Jan. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 15/08 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/1652 (2013.01) [G03G 15/0863 (2013.01); G03G 15/0875 (2013.01); G03G 2221/1684 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A developing cartridge comprising:
a developing roller rotatable about a first axis extending in a first direction;
a casing configured to accommodate developer therein;
a storage medium including an electric contact surface;
a holder including a first end portion and a second end portion being separated from the first end portion in a second direction which crosses the electric contact surface, the electric contact surface being positioned at the first end portion of the holder,
an elastic member configured to be compressed or stretched between a first state and a second state, the elastic member being positioned between the first end portion and the second end portion in the second direction;
wherein the second end portion is movable relative to the casing in the second direction when the elastic member is compressed or stretched between the first state and the second state.