Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1981-03-20

1983-06-07

Braun, Fred L.

Photocopying

Including fiber optics

29123, G03G 1500, G03G 2100

Patent

active

043868398

ABSTRACT:
A photosensitive drum in an electrostatic copying apparatus includes a drum body and a photosensitive layer provided around the outer peripheral surface of the drum body, a supporting mechanism for rotatably and detachably supporting the photosensitive drum, and peripheral devices which are in contact with the outer peripheral surface of the photosensitive drum at a contact force of 50 g. The drum body is formed of a thin metal tubular body of which the strength per unit length is 2.4 Kg/mm or less, whereby the drum body when it has been removed from the supporting mechanism may be crushed by foot.

REFERENCES:
patent: 3490841 (1970-01-01), Cely et al.
patent: 3536397 (1970-10-01), Van Wagner
patent: 4134667 (1979-01-01), Schnall et al.
patent: 4134669 (1979-01-01), Reitner
patent: 4231652 (1980-11-01), Moser et al.

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