A - Human Necessities – 01 – K
Patent
A - Human Necessities
01
K
119/45
A01K 1/02 (2006.01)
Patent
CA 1220682
Abstract of the Disclosure An animal feed stall having a rear opening adapt- ed to be opened and closed by a pair of pivotal gates, a feed trough in the front of the enclosure having a pivot- ally mounted lid operatively connected through pivotal linkage mechanism to the pivotal gates, whereby an ani- mal, such as a sow, upon entry into the feed stall, can elevate the lid with her nose to open the feed trough, and the operative linkage between the lid and the gates causes the gates to close while the animal is feeding within the stall.
470479
Smart & Biggar
Watkins Nathan L.
LandOfFree
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