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US 5,168,319 AGranted
Rotary developing device for image forming equipment
AssigneeRicoh Company, Ltd.
InventorsNoriyuki Kimura, Minoru Suzuki
Life of this patent
Estimating the term…
Abstract
A rotary developing device for color image forming equipment has a plurality of developing units around a common rotary shaft and rotates the developing units about the common shaft to bring any one of them to a developing position. A drive connecting and disconnecting device in the form of a clutch is provided integrally with each developing unit and sets up and interrupts drive transmission from a drive source to only one of the developing units.
Claims12
A rotary developing device for image forming equipment, comprising:
- a plurality of developing units each storing a powdery developer of particular color and each being rotatable about a common shaft to a developing position where said developing unit faces an image carrier for developing a latent image electrostatically formed on said image carrier;
- and
- drive connecting and disconnecting means associated with each of said developing units and integrally engageable with said developing units, said drive connecting and disconnecting means setting up and interrupting drive transmission to only one of said developing units which is brought to said developing position.
Dependencies are inferred from the claim text.