B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/95
B65G 27/08 (2006.01) B65G 27/10 (2006.01) B65G 27/32 (2006.01)
Patent
CA 1165715
° ABSTRACT OF THE DISCLOSURE 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 longi- tudinally 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 inter- connect 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 move- ment about axes extending laterally of the conveyor be- tween 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 ad- justment 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 adjust- ment provides a desired vibration angle for the trough. The angular difference between the transverse angles of i inclination at the sides of the various leaf springs pro- vides 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. -13-
381005
Fetherstonhaugh & Co.
Fmc Corporation
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