Free rotation sprocket, drag chain conveyor system

Details Free rotation sprocket, drag chain conveyor system Free rotation sprocket, drag chain conveyor system

1984-07-26

1987-02-10

Reeves, Robert B.

Railways

Traction

Chain

104196, 104235, 19880301, B61B 300

Patent

active

046415831

ABSTRACT:
A power and free conveyor system wherein a plurality of conveyor units or trolleys in the form of part suspension frames and the like may be moved by a continuously moving chain but the relationship of the chain to each conveyor is such that no latching or unlatching of the units is necessary to stop a particular unit at a station or when a stack-up of conveyor units occurs. Resumption of motion occurs automatically when intentional stopping or stack-up is relieved. The drive chain engages a plurality of freely rotating sprockets arranged on the trolley in a manner in which the chain forms a loop diverging from the general alignment of the chain. The acceleration and drive of the trolleys is thus controlled by a variable tension arrangement on one of the drive sprockets of the chain.

REFERENCES:
patent: 4073237 (1978-02-01), Wakabayashi
patent: 4227609 (1980-10-01), Gunther et al.
patent: 4461216 (1984-07-01), Carney
patent: 4470355 (1984-09-01), Kunczynski

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