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US 8,571,434 B2Granted
Image forming apparatus having detachable developing device
AssigneeCanon Kabushiki Kaisha
InventorMasaki Kakitani
Life of this patent
Estimating the term…
Abstract
At least one of driving motors that drive a developing device independently of each other is provided on a door capable of opening and closing to allow the developing device to be attached to or detached from a main body of an apparatus. An electrical contact portion that can be electrically connected to or disconnected from an electrical circuit provided in the main body is provided for the driving motor provided on the door.
Claims7
An image forming apparatus comprising:
- an image bearing member;
- a developing device detachably attached to a main body of the image forming apparatus, the developing device developing a latent image on an image bearing member;
- a door capable of opening and closing to allow the developing device to be detached from the main body;
- a first driving motor configured to drive the developing device;
- and
- a second driving motor configured to drive the developing device,
- wherein one of the first and second driving motors is disposed on the door, and the other of the first and second driving motors is disposed in the main body on a side opposite the door in relation to the developing device;
- and
- an electrical contact portion provided on the door and capable of being electrically connected to or disconnected from an electrical path provided in the main body, the electrical contact portion allowing electricity to be supplied from the main body to the one of the first and second driving motors that is provided on the door.
6 more elements
An image forming apparatus comprising:
- a developing device detachably attached to a main body of the image forming apparatus, the developing device developing a latent image on an image bearing member;
- a door capable of opening and closing to allow the developing device to be detached from the main body;
- a driving unit provided on the door and configured to drive the developing device;
- an electrical contact portion provided on the door and capable of being electrically connected to or disconnected from an electrical path provided in the main body, the electrical contact portion allowing electricity to be supplied from the main body to the driving unit.
1 more element
Dependencies are inferred from the claim text.