Photo-sensitive drum formed from extruded or drawn blank and ima

Details Photo-sensitive drum formed from extruded or drawn blank and ima Photo-sensitive drum formed from extruded or drawn blank and ima

1996-05-17

1998-04-14

Grimley, Arthur T.

Electrophotography

Having particular structure

Modular or displaceable

399159, 430 64, G03G 1500

Patent

active

057405018

ABSTRACT:
To provide a photo-sensitive drum having excellent properties which are not at all inferior to those of the prior art photo-sensitive drums assembled with a larger number of parts, capable of being easily manufactured at a reduced production cost. A blank tube 23d consisting of a cylinder section 23a, a center axis section 23b arranged within the cylinder section 23a concentrically therewith and a plurality of rib sections 23c for rigidly connecting the cylinder section 23a with the center axis section 23b is integrally formed through extrusion or draw-forming.

REFERENCES:
patent: 4047946 (1977-09-01), Croft
patent: 4120576 (1978-10-01), Babish

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