Dismounting and mounting methods for coupling and electrophotographic photosensitive drum unit
DCFirst Claim
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1. An electrophotographic photosensitive drum unit comprising:
- (a) a cylinder having a photosensitive layer at an outer periphery thereof;
(b) a drum flange provided at one end of said cylinder;
(c) a coupling member engaged with said drum flange so that an axis of said coupling member is inclinable with respect to an axis of said drum flange; and
(d) a regulating portion provided in said drum flange so as to prevent said coupling member from disengaging from said drum flange,wherein at least one of said coupling member and said regulating portion is configured to be deformed to permit said coupling member to disengage from said drum flange or to engage with said drum flange.
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Abstract
An electrophotographic photosensitive drum unit includes a cylinder having a photosensitive layer at an outer periphery thereof. A drum flange provided at one end of the cylinder. A coupling member is engaged with the drum flange so that an axis of the coupling member is inclinable with respect to an axis of the drum flange. A regulation portion is provided in the drum flange so as to prevent the coupling member from disengaging from the drum flange. At least a portion of the coupling member and the regulating portion is configured to be deformed to permit the coupling member to disengage from the drum flange or to engage with the drum flange.
39 Citations
7 Claims
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1. An electrophotographic photosensitive drum unit comprising:
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(a) a cylinder having a photosensitive layer at an outer periphery thereof; (b) a drum flange provided at one end of said cylinder; (c) a coupling member engaged with said drum flange so that an axis of said coupling member is inclinable with respect to an axis of said drum flange; and (d) a regulating portion provided in said drum flange so as to prevent said coupling member from disengaging from said drum flange, wherein at least one of said coupling member and said regulating portion is configured to be deformed to permit said coupling member to disengage from said drum flange or to engage with said drum flange. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification