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US 2004/0165912 A1Published application
Developing device and image forming apparatus
AssigneeToshiba Tec Kabushiki Kaisha
InventorYoshiaki Tanaka
Life of this patent
Estimating the term…
Abstract
The developing device of the present invention has developer containers detachably to house developers to be supplied by hollow holding members, supports plural developing units to supply different color developers to an image carrier and plural developing units in the replaceable state, and a revolver to move a desired developing unit to a point opposite to the image carrier by rotating plural developing units en block, and openings of the holding members for inserting the developer containers in the holding members when removed.
Claims7
A developing device comprising:
- plural developing units having developing containers for housing supply developers by hollow shaped holding member for supplying different color developers to an image carrier;
- and
- a revolver for supporting plural developing units so that they can be exchanged and capable of rotating the plural developing units en block to oppose them to desired image carriers;
- and is
- characterized in that forming openings are formed on the holding members to insert developer containers in the holding members when the developer containers are removed.
2 more elements
An image forming apparatus comprising:
- an image carrier;
- a latent image forming unit to form a latent image on the image carrier;
- plural developing units that hold developer containers for housing developer to be supplied by hollow shaped holding members and supply the developers in different colors to the image carrier;
- and
- a revolver provided rotatably in the main body of the image forming apparatus, rotatably supports the plural developing units, rotates the plural developing units en block and puts desired developing units to face the image carrier, and
- is characterized in that the openings are formed on the holding members to insert the developer containers in the holding members when removed.
3 more elements
Dependencies are inferred from the claim text.