Vacuum transport apparatus

Details Vacuum transport apparatus Vacuum transport apparatus

1996-01-11

1997-03-04

Grimley, Arthur T.

Electrophotography

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271197, G03G 2100

Patent

active

056085117

ABSTRACT:
A prefuser vacuum transport apparatus that increases the latitude of sheet acquisition includes at least one perforated belt entrained around a vacuum plenum to provide a limited drive force on sheets being driven by the vacuum transport apparatus. The vacuum plenum includes a vacuum port surface having a profile that is contoured to follow the profile of the stiffest sheet to be transported with the maximum specified curl. The belt follows the port surface contour.

REFERENCES:
patent: 4017065 (1977-04-01), Poehlein
patent: 4058306 (1977-11-01), Fletcher
patent: 4494166 (1985-01-01), Billings et al.
patent: 4992835 (1991-02-01), Matsuzaka
patent: 5031002 (1991-07-01), Yaguchi
patent: 5063415 (1991-11-01), Ariyama

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