Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1982-04-21
1983-09-06
Chamblee, Hugh R.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
119 17, A01K 103
Patent
active
044022808
ABSTRACT:
An improved animal caging system of the type having a plurality of hollow boxes suspended on flanges from a plurality of ducted shelves is provided. The ducting for the ventilation system is entirely enclosed and is formed integrally with the caging system rack. A sliding valve member mounted in each lid is biased to seal air openings to the cage upon removal from the rack, a protrusion contacting the rack to uncover the air openings upon cage insertion. Similar valves are optionally placed in the rack to maintain balanced airflow when a cage is removed. The system minimizes the possibility of cross-infection between occupants of different cages, and between people and cage occupants.
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