Photoconductive drum device for electrostatic copying machines o

Details Photoconductive drum device for electrostatic copying machines o Photoconductive drum device for electrostatic copying machines o

1985-05-23

1987-04-21

Braun, Fred L.

Photocopying

Including fiber optics

219469, G03G 1500, G03G 2100

Patent

active

046592067

ABSTRACT:
A photoconductive drum device for electrostatic copying machines or the like includes a temperature maintaining heater bent to a cylindrical form and accommodated in the main body of a photoconductive drum. The heater is constructed with a base plate and a heat generator attached to the base plate. The base plate has a parallelogrammatic form substantially corresponding to a shape which is obtained by cutting a hollow cylinder, having a diameter approximate to the inside diameter of the drum main body, along a helical cut line and unbending the cylinder.

REFERENCES:
patent: 3349221 (1967-10-01), Schulze et al.
patent: 3471683 (1969-10-01), Bogue
patent: 4161357 (1979-07-01), Herman et al.
patent: 4297562 (1981-10-01), Kamogawa et al.
patent: 4301359 (1981-11-01), Ito et al.

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