Apparatus for transporting stacks of paper sheets and the like

Details Apparatus for transporting stacks of paper sheets and the like Apparatus for transporting stacks of paper sheets and the like

1988-03-30

1989-06-27

Kashnikow, Andres

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

1984642, 19846811, 198493, B65G 4726, B65G 4300, B65G 4722

Patent

active

048421251

ABSTRACT:
Apparatus for transporting stacks of paper sheets has a first conveyor which delivers stacks in a first direction, a second conveyor which removes stacks in a second direction at right angles to the first direction, and a transfer conveyor having an endless foraminous band which is disposed between the discharge end of the first conveyor and the receiving end of the second conveyor and is operated intermittently to accept stacks from the first conveyor or to deliver stacks onto or toward the second conveyor. The upper reach of the endless band is located above several rows of nozzles which can discharge streams of compressed air to cause a stack to levitate during transfer onto the band or during removal from the band while the transfer conveyor is at a standstill. The first conveyor delivers stacks onto the band while the band is idle and while the nozzles discharge air, and the band is driven (while the nozzles are shut off from a source of compressed air) when the stack or stacks are to be transferred onto the second conveyor. Alternatively, the band is driven jointly with the first conveyor to receive stacks and is then arrested while the second conveyor receives one or more stacks which levitate above the transfer conveyor and are pushed onto the second conveyor by an additional conveyor or by a hand-held implement.

REFERENCES:
patent: 2681130 (1954-06-01), Atwood
patent: 2859863 (1958-11-01), Wallin
patent: 3096871 (1963-07-01), Anderson
patent: 3329469 (1967-07-01), Stadelman
patent: 3822777 (1974-07-01), Jepsen
patent: 4078489 (1978-03-01), Davis
patent: 4311230 (1982-01-01), Crawford et al.
patent: 4386641 (1983-07-01), Horn

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