Pressure roll cleaning device

Details Pressure roll cleaning device Pressure roll cleaning device

1980-11-28

1982-04-13

Prescott, Arthur C.

Photocopying

Including fiber optics

355 14FU, 355 15, 1525652, 432 75, 118652, G03G 1500, F27B 928

Patent

active

043244823

ABSTRACT:
Roll fuser apparatus and cleaning structure therefor. The cleaning structure is characterized by the provision of a pad supported in rubbing contact with the backup roll of the roll fuser apparatus. The pad is constructed so that approximately 75% of its total volume is made of intercommunicated voids so that toner removed from the backup roll can move freely therethrough and not agglomerate at the surface of the pad as in the case of prior art devices. In one embodiment of the invention the back surface of the pad is unobstructed to allow toner to actually move out of the pad thereby increasing the useful cleaning life of the pad.

REFERENCES:
patent: 3080688 (1963-03-01), Politzer
patent: 3510903 (1970-05-01), Stoever et al.
patent: 3617123 (1971-11-01), Emerson
patent: 3649992 (1972-03-01), Thettu
patent: 3941558 (1976-03-01), Takiguchi
patent: 4252435 (1901-02-01), Manghirmalani
patent: 4277161 (1981-07-01), Calabrese
patent: 4285090 (1981-08-01), Jurkowski

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