Roll fuser

Details Roll fuser Roll fuser

1975-01-02

1976-07-20

Rimrodt, Louis K.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

With solid heat exchange means contacting work

118104, 118203, 432 75, G03G 1520

Patent

active

039700380

ABSTRACT:
Fuser apparatus for fixing toner images to substrates comprising a heated fuser roll structure and a backup roll structure forming a nip through which the substrates pass with the toner images contacting the heated fuser roll structure to thereby soften the toner images. A cleaning structure for removing toner offset to said fuser roll structure comprises a plurality of flexible fingers supported for wiping contact with the fuser roll structure. Spaces between the finger serve as areas for collecting the toner to prevent the toner from re-applied to the fuser roll. The cleaning structure contacts areas of the fuser roll prior to such areas being contacted by a wick employed for applying offset preventing liquid to the fuser roll, such positioning of the fuser roll structure serving to prolong the life of the wick.

REFERENCES:
patent: 3649992 (1972-03-01), Thettu
patent: 3718116 (1973-02-01), Thettu
patent: 3795033 (1974-03-01), Donnelly et al.
patent: 3796183 (1974-03-01), Thettu
patent: 3811821 (1974-05-01), Ariyama et al.
patent: 3878818 (1975-04-01), Thettu et al.

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