Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

  • US 8,682,215 B1
  • Filed: 12/10/2013
  • Issued: 03/25/2014
  • Est. Priority Date: 12/22/2006
  • Status: Active Grant
First Claim
Patent Images

1. A process cartridge comprising:

  • a casing;

    a photosensitive drum having an axis L1, the photosensitive drum being rotatably supported in the casing to permit rotation about the axis L1; and

    a coupling member having an axis L2, the coupling member including (i) a first end portion connected to the photosensitive drum, (ii) a second end portion, and (iii) a connecting portion connecting the first end portion and the second end portion,wherein the second end portion includes at least one pair of projections, with each of the projections including a facing portion that faces the axis L2, each facing portion being open to the axis L2,wherein a diameter of an imaginary circle that is tangent to the facing portions of the projections is greater than a maximum dimension of the connecting portion in a direction perpendicular to the axis L2, andwherein the coupling member is movable between a first position in which the axis L2 of the coupling member is coaxial with the axis L1 of the photosensitive drum, and a second position in which the axis L2 of the coupling member is inclined with respect to the axis L1 of the photosensitive drum.

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