Crowd gate apparatus

Details Crowd gate apparatus Crowd gate apparatus

1996-05-01

1997-04-22

Price, Thomas

Animal husbandry

Animal controlling or handling

Animal relocating, loading or unloading

A01K 102

Patent

active

056221410

ABSTRACT:
A crowd gate suspended pivotally from an overhead carriage driven along a track above a herding area from an entry to an exit by an endless chain slidably coupled to the carriage. The central portion of a lift chain connected on its bottom end to the bottom of the gate and on its top end to the drive chain and arranged to be arrested by a hanger as the carriage moves toward the entrance allowing the drive chain to continue travel resulting in the lift chain being drawn upwardly to draw the gate upwardly to clear a path to receive a group of animals thereunder from the entrance to then be herded toward the exit as the gate is advanced by such drive chain toward the exit. A lost motion device may be incorporated to permit the gate to, upon contacting an animal in the herding area, pivot rearwardly relative to the carriage to prevent damage to the gate. In one embodiment, the gate is electrified to provide a goading shock to the animals.

REFERENCES:
patent: 2691359 (1954-10-01), Anstiss et al.
patent: 3799115 (1974-03-01), Fullerton
patent: 3805741 (1974-04-01), Thompson
patent: 3908599 (1975-09-01), Flocchini
patent: 3921586 (1975-11-01), Sweeney
patent: 4006714 (1977-02-01), Goossen
patent: 4445460 (1984-05-01), Stencil

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