Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1992-10-26
1993-06-29
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
4145251, B65G 2500
Patent
active
052225933
ABSTRACT:
The reciprocating floor conveyor of the present invention includes a supporting frame, a plurality of base members on the supporting frame, a plurality of elongate, slidable slats mounted on the base members, and a drive mechanism for causing longitudinal reciprocative movement of the plurality of slats. The plurality of slats are divided in at least a first and second interleaved groups. Each slat is connected to the slats adjacent thereto through slidable engagement of the sides of the slats, and are supported by the base members such that the first group of slats is elevated a greater distance from the supporting frame than the second group of slats. The drive system of the present invention is employed wherein the reciprocating floor conveyor is comprised of at least three slat groups each having at least one slat member each. The drive system moves all of the slat groups simultaneously in an extended, conveying direction and moves each of the slat groups sequentially in an opposite, retracted direction. The drive system includes a fluid source, at least three fluid-driven cylinders which each cause reciprocation of a slat group, a fluid-driven timing cylinder for each slat group, a direction valve for alternately extending and retracting the slat groups, and first and second flow regulators which each control fluid flow from the drive cylinders of a particular slat group to the fluid source when the slat groups are all extended to sequentially retract the slat groups.
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