Adjustable nudger roll normal force using multiple springs

Details Adjustable nudger roll normal force using multiple springs Adjustable nudger roll normal force using multiple springs

1993-11-01

1994-09-13

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271117, 271126, 271155, B65H 708

Patent

active

053461991

ABSTRACT:
An adjustable nudger roll for use in a friction retard feeder includes multiple springs used in conjunction with the nudger roll in order to allow greater latitude for adjustment of the normal force of the nudger roll against a substrate stack and in order to reduce the incidence of misfeeds. This arrangement adjusts the normal force on substrates as the requirement of the feed force changes and thereby reduces misfeeds and multifeeds.

REFERENCES:
patent: 3866903 (1975-02-01), Eppe et al.
patent: 3981497 (1976-09-01), Feinstein et al.
patent: 4157825 (1979-06-01), Ellenberger et al.
patent: 4928948 (1990-05-01), Evangelista et al.
patent: 5149077 (1992-09-01), Martin et al.

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