| 摘要 |
electrophotographic photosensitive drum, for receiving a driving force for rotating said developing roller in a direction opposite that of said electrophotographic photosensitive drum in the state in which process cartridge is mounted to the main assembly of the apparatus; 8) a first portion-to-be-support'ed, provided on one end of said first frame with respect to the longitudinal direction, for being supported by the movable member to support said process cartridge on said movable member; 9) a second portion-to-be-supported, provided on other end of said first frame with respect to the longitudinal direction, for being supported by said movable member to cooperate with said first portion-to-be-supported to support said process cartridge on said movable member; 10) a first portion-to-be-positioned, provided on said one longitudinal end of said first frame co-axially with said electrophotographic photosensitive drum, for being positioned to a first main assembly side positioning portion provided in the main assembly of the apparatus during a lowering movement of said movable member toward the transfer belt; 11) a second portion-to-be-positioned, provided on said other longitudinal end of said second frame co-axially with said electrophotographic photosensitive drum, for being positioned to a second main assembly side positioning portion provided in the main assembly of the apparatus during a lowering movement of said movable member toward the transfer belt; 12) a cartridge side charging bias contact, provided exposed at the other end, for receiving a charging bias voltage to be supplied to said charging roller from the main assembly of the apparatus in the state in which process cartridge is mounted to the main assembly of the apparatus; 13) a cartridge side developing bias contact, provided exposed at the other end, for receiving a developing bias contact to be supplied to said developing roller from the main assembly of the apparatus in the state in which process cartridge is mounted to the main assembly of the apparatus; and 14) a portion-to-be-urged, provided on an upper surface of said first frame adjacent the other longitudinal end, for receiving an inclined downward elastic force of a first main assembly side elastic member provided in the main assembly of the apparatus to urge said process cartridge toward other end thereof to position the other end of said process cartridge relative to the main assembly of the apparatus and to urge said second portion-to-be-positioned to the second main assembly side positioning portion, in a state in which first portion-to-be-positioned is positioned to the first main assembly side positioning portion and in which said second portion-to-be-positioned is positioned to the second main assembly side positioning portion. ® KIPO & WIPO 2009 |
