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    • 4. 发明专利
    • PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
    • JPH1173085A
    • 1999-03-16
    • JP30862097
    • 1997-11-11
    • CANON KK
    • SASAKI TERUHIKOKURIHARA SATOSHINUMAGAMI ATSUSHIBATORI YOSHIYUKI
    • G03G15/08G03G21/18
    • PROBLEM TO BE SOLVED: To prevent toner particles from being bulky by transmitting driving force from a driving member to a drive transmitting member through an engagement part engaged with an inclined surface of a projecting part provided in the direction intersecting the rotating direction of the driving member. SOLUTION: An engagement surface of a shaft coupling part 9s1 of a toner feed gear 9s is allowed to abut to the engagement surface of a coupling member 11e of a transmitting shaft 41, whereby the rotary driving force T1 is transmitted from the toner feed gear 9s to the transmitting shaft 41. When the rotary driving force T1 is transmitted from the engagement surface of the toner feed gear 9s to the engagement surface of the transmitting shaft 41, thrust force in the direction of forcing the transmitting shaft 41 in a toner container 11A is generated at the respective engagement surfaces of the toner feed gear 9s and the transmitting shaft 41, so that a stopper part 41b of the transmitting shaft 41 runs against the thrust bearing surface 11u of a bearing house 11s of the toner container 11A. Thus, a clearance L between a shaft stop ring 44 for stopping the transmitting shaft 41 and the inner wall of a toner frame 11 can be secured, so that the shaft stop ring 44 is rotated in contact with the inner wall of the toner frame 11 with toner interposed between them.