Sheet feeding or delivering – Feeding – Separators
Patent
1996-02-23
1997-07-01
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
Separators
271124, B65H 304
Patent
active
056428774
ABSTRACT:
A paper sheet feeding apparatus which includes a gate forming member positioned above the upper run of the sheet feeding belts and so as to define a nip therebetween. The gate forming member comprises a cylindrical roll having a plurality of annular grooves extending about the circumference thereof, and an elastomeric ring disposed in each of the grooves. The outer peripheral surface of the roll also includes a relief extending axially along the length thereof and positioned so as to oppose the nip, and the rings are sized so as to be exposed on the portion of the outer peripheral surface defined by the relief. In operation, the lowermost sheet is fed by the sheet feeding belts through the nip without engaging the exposed rings, and without significant frictional resistance, while the sheet immediately above the lowermost sheet engages the exposed rings and is retarded in its advance by its engagement with the rings.
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patent: 4529187 (1985-07-01), Einem et al.
patent: 4603848 (1986-08-01), Markgraf et al.
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patent: 4991831 (1991-02-01), Green
patent: 5143365 (1992-09-01), Green
patent: 5244198 (1993-09-01), Green
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