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Rotational Force Transmitting Parts

  • US 20080260428A1
  • Filed: 12/26/2007
  • Published: 10/23/2008
  • Est. Priority Date: 12/22/2006
  • Status: Active Grant
First Claim
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1. A rotating force transmitting part for an electrophotographic photosensitive drum for a main assembly of the electrophotographic image forming apparatus, wherein the main assembly of the electrophotographic image forming apparatus includes a driving shaft, to be driven by a motor, having the rotating force applying portion, and wherein said electrophotographic photosensitive drum is dismountable from the main assembly of the electrophotographic image forming apparatus in a direction substantial perpendicular with an axial direction of the driving shaft, said rotating force transmitting part comprising:

  • a coupling member engageable with said rotational force applying portion to receive a rotational force for rotating said electrophotographic photosensitive drum in the state in which electrophotographic photosensitive drum is mounted to said main assembly of the electrophotographic image forming apparatus, wherein said coupling member being capable of taking a rotational force transmitting angular position for transmitting the rotational force for rotating said electrophotographic photosensitive drum to said electrophotographic photosensitive drum and a disengaging angular position in which said coupling member is inclined away from the axis of said electrophotographic photosensitive drum from said rotational force transmitting angular position,wherein when said process cartridge is dismounted from the main assembly of the electrophotographic image forming apparatus in a direction substantially perpendicular to the axis of said electrophotographic photosensitive drum, said coupling member moves from said rotational force transmitting angular position to said disengaging angular position.

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