Sheet feeding or delivering – Feeding – Pack holders
Patent
1988-08-30
1990-03-27
Shaver, Kevin P.
Sheet feeding or delivering
Feeding
Pack holders
271188, 271198, 271209, 271274, 271151, 271 31, B65H 100, B65H 502, B65H 2970, B65H 2912
Patent
active
049114212
ABSTRACT:
Each interfaced loader and metering hopper combination of a newspaper assembling system includes improvements for producing ridges in the newspapers at various stages where separation of the newspapers from one another is required. The ridges stiffen the newspaper and reduce the area of contact and thereby the friction between them. At the receiving region of the loader, an arrangement of parallel side and central conveyors, wherein the central one is at a higher level than the side conveyors, produces ridges when the newspapers in a stack are fanned back into a stream. A pair of superimposed center conveyors and inclined laterally located arms produce ridges in the newspapers as they are discharged one at a time from a discharge region of the loader into a receiving zone in the hopper. A single central elongated member movable between raised and lowered positions on a reciprocating plate in the hopper which supports and bottom-feeds the newspaper stack produces central ridges in the newspapers which promotes separation of the lowermost newspaper from those above it. Also, clamping rollers which are normally held open are timed to close and clamp the lateral sides of the lowermost newspaper leading portion once it is received between them. The rollers form a clamping nip below the level of the separating member so as to pull the side portions down and augment separation and withdrawal of the lowermost newspaper.
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Ammeen Edward S.
Shaver Kevin P.
Stepper, Inc.
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