Gate forming member for sheet feeding apparatus

Details Gate forming member for sheet feeding apparatus Gate forming member for sheet feeding apparatus

1992-04-28

1993-09-14

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271 35, 271121, B65H 352

Patent

active

052441989

ABSTRACT:
A sheet feeding apparatus is disclosed which includes a gate forming member composed of a pair of rolls disposed in a parallel, laterally adjacent relationship. The first roll defines the nip of the sheet feeding apparatus, and each of the rolls includes a plurality of annular grooves. The rolls are mounted with the annular grooves respectively aligned, and a ring of elastomeric material is mounted in each pair of aligned grooves so as to encompass the peripheral surfaces of the two rolls, and with and the grooves in the first roll being configured so that the rings are exposed at the nip. Upon rotation of the second roll, the rings may be moved with respect to the first roll, so that unworn portions of the rings may be moved to the nip.

REFERENCES:
patent: 4216952 (1980-08-01), McInerny
patent: 4437658 (1984-03-01), McInerny
patent: 4500084 (1985-02-01), McInerny
patent: 4991831 (1991-02-01), Green

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