Sheet conveying device

Details Sheet conveying device Sheet conveying device

1974-12-18

1976-06-29

Love, John J.

Sheet feeding or delivering

Feeding

By means to convey sheet

271 80, 271270, 271272, B65H 506, B65H 2920

Patent

active

039661989

ABSTRACT:
A device for transporting a flexible sheet from one device wherein the sheet is processed at one speed to another device wherein the sheet is processed at another speed. The device comprises two pairs of rollers, one pair of rollers disposed on the downstream side of the path of movement of the sheet and adapted to rotate at a rate higher than the rate of rotation of the other pair of rollers disposed on the upstream side thereof. The rotation of the pair of rollers disposed on the downstream side is temporarily initiated to cause the leading end portion of the sheet to be nipped thereby and then held for a time interval, so as to permit the portion of the sheet interposed between the two pairs of rollers to buckle up and form a loop before transporting at the higher rate is begun by reactivation of the downstream pair of rollers.

REFERENCES:
patent: 3469834 (1969-09-01), Stange et al.
patent: 3863913 (1975-02-01), Hirafuji

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