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Developing cartridge and electrophotographic image forming apparatus

  • US 9,551,957 B2
  • Filed: 11/17/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 06/04/2012
  • Status: Active Grant
First Claim
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1. A developing cartridge comprising:

  • a casing;

    a developing roller, provided in said casing, configured to rotate and carry developer;

    a coupling member configured to receive a rotational force for rotating said developing roller, said coupling member being movable between a first position in which a rotational axis of said coupling member is parallel to a rotational axis of said developing roller and a second position in which the rotational axis of said coupling member is inclined relative to the rotational axis of said developing roller; and

    a non-elastic member, provided adjacent to said coupling member, movable between a contact position in which said non-elastic member contacts said coupling member and a spaced position in which said non-elastic member is spaced from said coupling member,wherein said non-elastic member is rotatable between the contact position and the spaced position.

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