Sheet feeding or delivering – Feeding – Pack holders
Patent
1985-11-21
1988-06-14
Kashnikow, Andres
Sheet feeding or delivering
Feeding
Pack holders
198626, 271200, 271214, B65H 130
Patent
active
047507284
ABSTRACT:
Flat products, such as printed sheets, resting in the form of a horizontal stack on two circulatingly driven transport chains are conveyed towards a retention plate serving as a stop of a feeder or feeder attachment. Two circulatingly driven toothed belts are laterally arranged above the transport chains and these two toothed belts define the sides of a conveying channel. The toothed belts hold the printed sheets in their mutually related positions inside the loose stack during their forward displacement. The distance between the mutually facing runs of the toothed belts is less than the width of the printed sheets or the stack of printed sheets. The toothed belts and therefore also the conveying channel terminate at a distance from the retention plate. The printed sheets are held in a curved or bowed configuration in the conveying channel. As soon as the printed sheets leave the conveying channel, the rearwardly bent lateral edges of the printed sheets return into their original position due to their inherent elasticity. In this manner each of the printed sheets is separated from the next following sheet. The printed sheets are conveyed towards the retention plate in a loosened formation. Consequently, a reliable withdrawal of individual printed sheets from the stack is ensured.
REFERENCES:
patent: 2884243 (1959-04-01), Stobb
patent: 2933314 (1960-04-01), Stobb
patent: 4050467 (1977-09-01), Van Slvis et al.
patent: 4558859 (1985-12-01), Duke et al.
patent: 4601688 (1986-07-01), Kopczynski
patent: 4618136 (1986-10-01), Pessina et al.
Ferag AG
Graham Matthew C.
Kashnikow Andres
Kleeman Werner W.
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