Process cartridge, developing device and image forming apparatus
First Claim
1. A process cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image on a recording material, said process cartridge comprising:
- a rotatable image bearing member for carrying a latent image; and
a developing device for developing the latent image with a developer, said developing device including;
a rotatable developer carrying member for developing the latent image formed on said image bearing member with a developer,a rotatable developer feeding member for supplying the developer to said developer carrying member,a developer accommodating chamber for accommodating the developer,a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber,a developer carrying member gear provided on a shaft of said developer carrying member,a developer feeding member gear provided on a shaft of said developer feeding member,a developer stirring member gear provided on a shaft of said developer stirring member,a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member, andfirst and second supporting portions for rotatably supporting said transmission member,wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, andwherein said first gear and said second gear are between said first supporting portion and said second supporting portion.
1 Assignment
0 Petitions
Accused Products
Abstract
A process cartridge detachably mountable to an image forming apparatus includes a rotatable developer carrying member, a rotatable developer feeding member, a rotatable developer stirring member, a developer carrying member gear, a developer feeding member gear, a developer stirring member gear, a transmission member for transmitting a driving force to the developer carrying member, the developer feeding member and the developer stirring member, wherein the transmission member includes a first gear for transmitting the driving force to the developer carrying member gear, a second gear for transmitting the driving force to the developer feeding member gear, and a third gear for transmitting the driving force to the developer stirring member gear, in which the first gear, the second gear and the third gear are integrally molded.
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Citations
36 Claims
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1. A process cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image on a recording material, said process cartridge comprising:
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a rotatable image bearing member for carrying a latent image; and a developing device for developing the latent image with a developer, said developing device including; a rotatable developer carrying member for developing the latent image formed on said image bearing member with a developer, a rotatable developer feeding member for supplying the developer to said developer carrying member, a developer accommodating chamber for accommodating the developer, a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber, a developer carrying member gear provided on a shaft of said developer carrying member, a developer feeding member gear provided on a shaft of said developer feeding member, a developer stirring member gear provided on a shaft of said developer stirring member, a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member, and first and second supporting portions for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, and wherein said first gear and said second gear are between said first supporting portion and said second supporting portion. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A developing apparatus comprising:
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a rotatable developer carrying member for developing a latent image formed on an image bearing member; a rotatable developer feeding member for supplying the developer to said developer carrying member; a developer accommodating chamber for accommodating the developer; a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber; a developer carrying member gear provided on a shaft of said developer carrying member; a developer feeding member gear provided on a shaft of said developer feeding member; a developer stirring member gear provided on a shaft of said developer stirring member; a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member; and first and second supporting portions for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, wherein said first gear and said second gear are between said first supporting portion and said second supporting portion. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A process cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image on a recording material, said process cartridge comprising:
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a rotatable image bearing member for carrying a latent image; and a developing device for developing the latent image with a developer, said developing device including; a rotatable developer carrying member for developing the latent image formed on said image bearing member with a developer, a rotatable developer feeding member for supplying the developer to said developer carrying member, a developer accommodating chamber for accommodating the developer, a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber, a developer carrying member gear provided on a shaft of said developer carrying member, a developer feeding member gear provided on a shaft of said developer feeding member, a developer stirring member gear provided on a shaft of said developer stirring member, a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member, and a supporting portion for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, and wherein said supporting portion is provided between said first gear and said third gear with respect to a direction of a rotational axis of said transmission member. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A process cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image on a recording material, said process cartridge comprising:
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a rotatable image bearing member for carrying a latent image; and a developing device for developing the latent image with a developer, said developing device including; a rotatable developer carrying member for developing the latent image formed on said image bearing member with a developer, a rotatable developer feeding member for supplying the developer to said developer carrying member, a developer accommodating chamber for accommodating the developer, a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber, a developer carrying member gear provided on a shaft of said developer carrying member, a developer feeding member gear provided on a shaft of said developer feeding member, a developer stirring member gear provided on a shaft of said developer stirring member, a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member, and a supporting portion for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, and wherein said supporting portion is provided between said second gear and said third gear with respect to a direction of a rotational axis of said transmission member. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A developing apparatus comprising:
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a rotatable developer carrying member for developing a latent image formed on an image bearing member; a rotatable developer feeding member for supplying the developer to said developer carrying member; a developer accommodating chamber for accommodating the developer; a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber; a developer carrying member gear provided on a shaft of said developer carrying member; a developer feeding member gear provided on a shaft of said developer feeding member; a developer stirring member gear provided on a shaft of said developer stirring member; a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member; and a supporting portion for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, wherein said supporting portion is provided between said first gear and said third gear with respect to a direction of a rotational axis of said transmission member. - View Dependent Claims (26, 27, 28, 29, 30)
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31. A developing apparatus comprising:
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a rotatable developer carrying member for developing a latent image formed on an image bearing member; a rotatable developer feeding member for supplying the developer to said developer carrying member; a developer accommodating chamber for accommodating the developer; a rotatable developer stirring member for stirring the developer accommodated in said developer accommodating chamber; a developer carrying member gear provided on a shaft of said developer carrying member; a developer feeding member gear provided on a shaft of said developer feeding member; a developer stirring member gear provided on a shaft of said developer stirring member; a transmission member for transmitting a driving force to said developer carrying member, said developer feeding member and said developer stirring member; and a supporting portion for rotatably supporting said transmission member, wherein said transmission member includes a first gear for transmitting the driving force to said developer carrying member gear, a second gear for transmitting the driving force to said developer feeding member gear, and a third gear for transmitting the driving force to said developer stirring member gear, in which said first gear, said second gear and said third gear are integrally molded, wherein said supporting portion is provided between said second gear and said third gear with respect to a direction of a rotational axis of said transmission member. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification