Animal husbandry – Feeding device – Hopper and trough
Patent
1992-10-01
1994-09-13
Hirsch, Paul J.
Animal husbandry
Feeding device
Hopper and trough
74547, A01K 500
Patent
active
053458940
ABSTRACT:
This invention is a drop-lock adjustment used on automatic feeders to adjust the feed gates either up or down and includes shielded drop locks connected to control rods that pass through a channel. An adaptor plate mounted on the channel has a downwardly projecting flange spaced from the channel with an elongated slot in the plate to prevent the animals being fed from tripping the lock to cause either more or less feed to be dispensed.
REFERENCES:
patent: 1359158 (1920-11-01), Dohm
patent: 1659506 (1928-02-01), Wheeler
patent: 1677064 (1928-07-01), Watt
patent: 2137457 (1938-11-01), Pattcy
patent: 2165121 (1939-07-01), Amstutz
patent: 2644425 (1953-07-01), Hazen
patent: 2796848 (1957-06-01), Zimmerman
patent: 4491087 (1985-01-01), Herring, Sr.
patent: 4889078 (1989-12-01), Smiley
patent: 5044318 (1991-09-01), Sutton et al.
Modern Ag Systems, "Stainless Steel Hog Feeders".
Evans, III Robert B.
Zimmerman Leon S.
Hirsch Paul J.
Manahan Todd #E.
Staco, Inc.
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