Fixing and heating device for electrostatic copying apparatus

Details Fixing and heating device for electrostatic copying apparatus Fixing and heating device for electrostatic copying apparatus

1981-04-15

1983-06-07

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural prime movers selectively coupled to common output

74665B, 432 60, 474 74, 474 84, F16H 3706

Patent

active

043865399

ABSTRACT:
A fixing and heating device for an electrostatic copying apparatus includes a fixing roller which (a) remains stationary at least until a toner is softened, (b) is driven at a low speed to even the surface temperature of the fixing roller when the surface temperature is lower than a temperature suitable for fixing, and is equal to the temperature suitable for fixing except during a fixing operation, and (c) is driven at a speed suitable for fixing when the surface temperature is suitable for fixing during the fixing operation.

REFERENCES:
patent: 2356590 (1944-08-01), Jacobsen
patent: 2826096 (1958-03-01), Hoge
patent: 2949817 (1960-08-01), Feindler
patent: 3127790 (1964-04-01), Howey
patent: 3324791 (1967-06-01), Cassano et al.
patent: 3367440 (1968-02-01), Becker
patent: 3915271 (1975-10-01), Harper
patent: 4212631 (1980-07-01), Franke et al.
IBM Technical Disclosure Bulletin, "Speed-Match/Lost Grating Deflection Apparatus", 2-9-81, vol. 23, No. 9.

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