Transfer assist apparatus having a conductive blade member

Details Transfer assist apparatus having a conductive blade member Transfer assist apparatus having a conductive blade member

1995-11-20

1996-10-22

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

355271, 355277, 361214, G03G 1516

Patent

active

055682383

ABSTRACT:
An apparatus which transfers a developed image from a photoconductive surface to a copy sheet. The apparatus includes a corona generating device arranged to charge the copy sheet for establishing a transfer field that is effective to attract the developed image from the photoconductive surface to the copy sheet and a blade which is moved from a non-operative position spaced from the copy sheet, to an operative position, in contact with the copy sheet for pressing the copy sheet into contact with at least the developed image on the photoconductive surface to substantially eliminate any spaces between the copy sheet and the developed image during transfer of the developed image from the photoconductive surface to the copy sheet. The blade is fabricated to include a conductive material for preventing the generation of electrostatic charge on the blade which may create copy quality defects as a lead edge of the copy sheet passes between the blade and the photoconductive surface.

REFERENCES:
patent: 4947214 (1990-08-01), Baxendell et al.
patent: 5091751 (1992-02-01), Inoue et al.
patent: 5155539 (1992-10-01), Yamaguchi et al.
patent: 5300993 (1994-04-01), Vetromile
patent: 5300994 (1994-04-01), Gross et al.

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