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Process cartridge and electrophotographic photosensitive drum unit

  • US 8,270,876 B2
  • Filed: 06/19/2009
  • Issued: 09/18/2012
  • Est. Priority Date: 06/20/2008
  • Status: Active Grant
First Claim
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1. A process cartridge comprising:

  • i) an electrophotographic photosensitive drum rotatable about an axis and having a photosensitive layer at its peripheral surface;

    ii) process means actable on said electrophotographic photosensitive drum;

    iii) a coupling member for receiving an external force for rotating said electrophotographic photosensitive drum, wherein said coupling member is capable of taking a first angular position for transmitting the external force to said electrophotographic photosensitive drum, and a second angular position inclined away from the axis of said electrophotographic photosensitive drum from the first angular position andiv) a regulating portion for regulating an inclination angle of said coupling member such that a downward inclination angle of said coupling member is smaller than an inclination angle of said coupling member when said coupling member is at the second angular position.

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