Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1980-07-18
1982-11-02
Reeves, Robert B.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
198769, B65G 2708, B65G 2724
Patent
active
043569110
ABSTRACT:
A vibratory conveyor has a continuous trough that extends over one or more linear drive units. Each drive unit has an elongated base that extends longitudinally of the conveyor. The base is resiliently mounted to a fixed support. A trough support is disposed parallel to the base. A driver is arranged to move the trough support longitudinally of the conveyor and relative to the base. A plurality of leaf springs extend in an at rest position generally perpendicular to the direction of linear drive, longitudinally of the conveyor. These leaf springs interconnect the base and the trough support at longitudinally spaced locations. The base and the trough support are disposed laterally of each other in a horizontal plane. Preferably, the leaf springs are mounted for pivotal movement about axes extending laterally of the conveyor between the base and the trough support. Such movement adjusts the transverse angle of inclination between one side of the leaf spring and a vertical line. This adjustment can be made without changing the direction in which the leaf springs extend in an at rest position between the base and the trough support, and the adjustment provides a desired vibration angle for the trough. The angular difference between the transverse angles of inclination at the sides of the various leaf springs provides for rotational motion of the trough support relative to the base. This motion compensates for rotational motion of the drive unit on its fixed support due to inertia forces.
FMC Corporation
Reeves Robert B.
Watts Douglas D.
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