Pressure rollers for toner fusing station

Details Pressure rollers for toner fusing station Pressure rollers for toner fusing station

1981-05-04

1982-11-02

Feldman, Peter

Presses

Concurrent pressing and conveying

Roll type

100157, 100162B, 100176, 29110, 29116AD, 291218, 118116, 355 3FU, B30B 304, B30B 306

Patent

active

043567649

ABSTRACT:
A pressure roller and apparatus for pressure fixing imaging powder in an electrostatic duplicating machine, the apparatus comprising a pair of fixing rollers in pressure contact along a narrow band to define a nip. The fixing rollers are hollow cylindrical rollers with parallel longitudinal axes and are rotatably supported by pressure transfer rollers inside each fixing roller. The pressure transfer rollers in each fixing roller are rotatably supported by a shaft and housing. Pressure supplied by loading means at the ends of the shafts to pressure fix imaging powder to a substrate transported through the nip is distributed uniformly along the nip by the pressure transfer rollers without causing bending moments on the fixing rollers.

REFERENCES:
patent: 3055083 (1962-09-01), Stobi
patent: 3418703 (1968-12-01), Thiry
patent: 3736869 (1973-06-01), Motter
patent: 4001544 (1977-02-01), Heinzer et al.
patent: 4188109 (1980-02-01), Idenawa et al.
patent: 4192229 (1980-03-01), Tsunoi et al.
patent: 4200389 (1980-04-01), Matsui et al.

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