Hybrid nudger roll

Details Hybrid nudger roll Hybrid nudger roll

1991-06-24

1992-09-22

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271119, B65H 322

Patent

active

051490773

ABSTRACT:
A hydrid nudger roll for use in a friction retard feeder includes alternating elastomeric and studded rolls positioned on a support shaft. The outer surface of the elastomeric rolls extends beyond the tips of the studded rolls, but when the elastomeric rolls are deformed against a stack of sheets due to normal force, the tips of the studded rolls extends beyond the outer surface of the elastomeric rolls.

REFERENCES:
patent: 3866903 (1975-02-01), Eppe et al.
patent: 4157825 (1979-06-01), Ellenberger et al.
patent: 4928948 (1990-05-01), Evangelista et al.

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