US 12,346,059 B2
Cartridge and electrophotographic image forming apparatus
Yosuke Kashiide, Tokyo (JP); Masaaki Sato, Yokohama (JP); and Hiroyuki Munetsugu, Yokohama (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 13, 2024, as Appl. No. 18/603,393.
Application 18/603,393 is a division of application No. 18/106,584, filed on Feb. 7, 2023, granted, now 11,960,239.
Application 18/106,584 is a division of application No. 17/665,624, filed on Feb. 7, 2022, granted, now 11,662,687, issued on May 30, 2023.
Application 17/665,624 is a division of application No. 17/348,880, filed on Jun. 16, 2021, granted, now 11,353,822, issued on Jun. 7, 2022.
Application 17/348,880 is a division of application No. 16/986,602, filed on Aug. 6, 2020, granted, now 11,067,950, issued on Jul. 20, 2021.
Application 16/986,602 is a division of application No. 16/274,409, filed on Feb. 13, 2019, granted, now 10,782,647, issued on Sep. 22, 2020.
Application 16/274,409 is a division of application No. 15/605,167, filed on May 25, 2017, granted, now 10,459,402, issued on Oct. 29, 2019.
Application 15/605,167 is a continuation of application No. PCT/JP2015/084223, filed on Nov. 30, 2015.
Claims priority of application No. 2014-242586 (JP), filed on Nov. 28, 2014.
Prior Publication US 2024/0219866 A1, Jul. 4, 2024
Int. Cl. G03G 21/18 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/186 (2013.01) [G03G 21/1647 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1842 (2013.01); G03G 21/1853 (2013.01); G03G 21/1864 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A cartridge comprising:
a frame;
a developing roller supported by the frame and rotatable about an axis L1 of the developing roller;
a coupling member configured to receive a driving force, the coupling member being operatively connected to the developing roller;
a first contact member supported by the frame and movable relative to the frame, with the first contact member including a first contact part configured to urge the coupling member in a first direction by contacting the coupling member; and
a second contact member supported by the frame and movable relative to the frame, with the second contact member including a second contact part configured to urge the coupling member in a second direction that is opposite to the first direction by contacting the coupling member,
wherein the first contact member and the second contact member are simultaneously contactable to the coupling member.