US 12,474,653 B2
Developing cartridge having coupling and developing roller
Nao Itabashi, Nagoya (JP); and Naoya Kamimura, Ichinomiya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Aichi (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Dec. 1, 2023, as Appl. No. 18/526,660.
Application 18/526,660 is a continuation of application No. 17/820,292, filed on Aug. 17, 2022.
Application 17/820,292 is a continuation of application No. 17/730,552, filed on Apr. 27, 2022, granted, now 11,687,016, issued on Jun. 27, 2023.
Application 17/730,552 is a continuation of application No. 17/174,500, filed on Feb. 12, 2021, granted, now 11,693,334, issued on Jul. 4, 2023.
Application 17/174,500 is a continuation of application No. 16/930,865, filed on Jul. 16, 2020, granted, now 10,921,732, issued on Feb. 16, 2021.
Application 16/930,865 is a continuation of application No. 16/723,160, filed on Dec. 20, 2019, granted, now 11,022,912, issued on Jun. 1, 2021.
Application 16/723,160 is a continuation of application No. 16/263,224, filed on Jan. 31, 2019, granted, now 10,520,855, issued on Dec. 31, 2019.
Application 16/263,224 is a continuation of application No. 15/820,203, filed on Nov. 21, 2017, granted, now 10,496,011, issued on Dec. 3, 2019.
Application 15/820,203 is a continuation of application No. 15/363,985, filed on Nov. 29, 2016, granted, now 9,846,387, issued on Dec. 19, 2017.
Application 15/363,985 is a continuation of application No. 15/061,551, filed on Mar. 4, 2016, granted, now 9,529,319, issued on Dec. 27, 2016.
Application 15/061,551 is a continuation of application No. 14/665,763, filed on Mar. 23, 2015, granted, now 9,395,684, issued on Jul. 19, 2016.
Application 14/665,763 is a continuation of application No. 13/598,708, filed on Aug. 30, 2012, granted, now 8,995,866, issued on Mar. 31, 2015.
Claims priority of application No. 2011-190035 (JP), filed on Aug. 31, 2011.
Prior Publication US 2024/0210856 A1, Jun. 27, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 15/08 (2006.01); G03G 15/06 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 15/0889 (2013.01) [G03G 15/065 (2013.01); G03G 15/0865 (2013.01); G03G 21/1676 (2013.01); G03G 21/1864 (2013.01); G03G 21/1896 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A cartridge, comprising:
a developing roller rotatable about a first axis extending in a first direction, the developing roller including a developing roller shaft;
a housing configured to accommodate developer therein, the housing having one end portion and another end portion separated from the one end portion in the first direction;
a coupling rotatable about a second axis extending in the first direction, the coupling being positioned at the one end portion of the housing;
a shaft movable according to rotation of the coupling; and
a detection protrusion positioned at the another end portion of the housing, the detection protrusion being movable according to the movement of the shaft, the detection protrusion being made of a conductive material.