Animal pens

Details Animal pens Animal pens

1983-11-25

1985-04-30

Swiatek, Robert P.

Animal husbandry

Feeding device

Hopper and trough

A61D 300

Patent

active

045136912

ABSTRACT:
An animal pen comprises a plurality of frame members interconnected to provide an animal receiving structure having a front end and a rear end, a door adjacent the rear end for entry of the animal head first into the pen, an advancing means mounted on the main frame for movement forwardly of the frame to engage the rear of the animal to urge the animal forwardly in the structure, a first hydraulic ram to actuate the advancing means mounted between the advancing means and the main frame, and a yoke comprising a pair of closure members mounted in the frame for movement forwardly and inwardly of the frame to close around a front of the animal, and a linkage between the closure members, a second hydraulic ram between the linkage and the main frame to actuate the closure members.

REFERENCES:
patent: 882647 (1908-03-01), Nelson
patent: 2672126 (1954-03-01), Linton
patent: 2995111 (1961-08-01), Darden
patent: 3319608 (1967-05-01), Klooster
patent: 4116166 (1978-09-01), Gofflot

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