Residual toner cleaning device for image forming apparatus

Details Residual toner cleaning device for image forming apparatus Residual toner cleaning device for image forming apparatus

1989-06-28

1990-10-16

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355296, G03G 2100

Patent

active

049639447

ABSTRACT:
A residual toner cleaning device for removing the residual toner on a photosensitive drum of an image forming apparatus of the invention is provided with an elastic roller in contact with said photosensitive drum and rotatable to remove said residual toner from said photosensitive drum, regulating means encompassing at least a portion of said elastic roller and having a compressing portion which compresses said elastic roller and a releasing portion for releasing said elastic roller from the compression to release the residual toner carried by said elastic roller, and toner collecting means for collecting the toner released by said elastic roller. The elastic roller ejects the toner toward the toner collecting means by the restoring force of the elastic roller released from the compression by the compressing portion of the regulating means, and the toner collecting means collects the toner.

REFERENCES:
patent: 3654654 (1972-04-01), Abreu et al.
patent: 3807853 (1974-04-01), Hudson
patent: 4181425 (1980-01-01), Higaya et al.
patent: 4739370 (1988-04-01), Yoshida et al.

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