Entrance guide for friction/retard feeding systems

Details Entrance guide for friction/retard feeding systems Entrance guide for friction/retard feeding systems

1999-02-22

2000-10-10

Valenza, Joseph E.

Sheet feeding or delivering

Feeding

Separators

271122, 271126, B65H 330, B65H 352, B65H 108

Patent

active

061293474

ABSTRACT:
A substrate feeding system, and printers that use such feeding systems, that includes a feed roll and a retard roll that form a nip, a nudger roll for advancing a substrate from a substrate stack toward the nip, and an entrance guide between the nudger roll and the nip. The entrance guide has a contact surface that forms an angle of more than 100.degree. with the direction of motion of the substrate. The entrance guide further including a top section over which the substrate moves as it advances into the nip. The entrance guide is beneficially pivotally mounted such that when a retard roll is removed the entrance guide pivots out of the way, and such that when a retard roll is in place the entrance guide moves into position.

REFERENCES:
patent: 5052673 (1991-10-01), Tokuda et al.
patent: 5096182 (1992-03-01), Kashimura
patent: 5108084 (1992-04-01), Ishikawa et al.
patent: 5421569 (1995-06-01), Davidson
patent: 5695182 (1997-12-01), Sekine
patent: 5709380 (1998-01-01), Petocchi et al.
patent: 5769410 (1998-06-01), Davidson et al.

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