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US 6,173,145 B2Granted
Developing apparatus with drive mechanism for developer bearing body
AssigneeCanon Kabushiki Kaisha
InventorsKazuo Chadani, Tadayuki Tsuda, Hiroomi Matsuzaki, Akira Suzuki
Life of this patent
Estimating the term…
Abstract
A developing apparatus includes a developer bearing body, a drive transmission gear, a support member, and a developing frame body, and the support member has an engaging portion for engaging with the developing frame body in a position opposite to a position where the drive force is transmitted to the drive transmission gear with respect to a rotating center of the developer bearing body.
Claims18
A developing apparatus, comprising:
- a developer bearing body provided rotatably for bearing and carrying a developer to a developing position;
- a drive transmission gear disposed on said developer bearing body and given a drive force for rotating said developer bearing body;
- a support member for rotatably supporting said developer bearing body;
- and
- a developing frame body to which said support member is attached,
- said support member including an engaging portion for engaging said developing frame body in a position opposite to a position where the drive force is transmitted to said drive transmission gear with respect to a rotating center of said developer bearing body.
3 more elements
A process cartridge detachably attachable to an image forming apparatus, comprising:
- an image bearing body;
- a drive gear disposed on said image bearing body;
- and
- a developing apparatus for developing an electrostatic image formed on said image bearing body with a developer,
- said developing apparatus including:
- a developer bearing body provided rotatably for bearing and carrying the developer to a developing position;
- a drive transmission gear disposed on said developer bearing body and given a drive force for rotating said developer bearing body;
- a support member for rotatably supporting said developer bearing body;
- and
- a developing frame body to which said support member is attached,
- said support member having an engaging portion for engaging said developing frame body in a position opposite to a position where the drive force is transmitted to said drive transmission gear with respect to a rotating center of said developer bearing body.
8 more elements
Dependencies are inferred from the claim text.