Revolver type developing device for an image forming apparatus

Details Revolver type developing device for an image forming apparatus Revolver type developing device for an image forming apparatus

1993-02-18

1994-06-28

Moses, R. L.

Photocopying

Contact printing

Light boxes

355245, 355326R, 118645, 346157, G03G 1501

Patent

active

053251512

ABSTRACT:
A revolver type developing device for an image forming apparatus. A rotary body is mounted on a shaft and has a plurality of developing units mounted thereon. The developing units are arranged around the shaft, and each stores a powdery developer and accommodates a developer transport member for supplying the developer to an image carrier. A drive source rotates the rotary body to bring any one of the developing units to a developing position where the developing unit faces the image carrier. A one-way transmission mechanism is located on a drive transmission path extending from the drive source to the rotary body for preventing a drive force from being imparted from the rotary body to the drive source. When the rotary body tends to rotate or vibrate due to an external force or vibration, the rotation or vibration is prevented from reaching the drive source.

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