Animal husbandry – Milkers – Claw
Patent
1980-03-24
1981-09-08
Chamblee, Hugh R.
Animal husbandry
Milkers
Claw
A01J 504
Patent
active
042878535
ABSTRACT:
A milker has a lower base with a concave bottom and a lower exit under vacuum that can be closed by a float with valve until the milk level pivots and/or raises the float to open the exit. An enclosure body is fitted on the base and includes a main vacuum inlet and a milk inlet nipple positioned and angled to direct milk inflow at the side and/or below the float. An enclosure cap is releasably fitted on the top of the enclosure body and mounts an air valve, pulsation nipples and a further vacuum inlet. A central stem from the bottom extends up through a central passageway in the float and also through the cap to afford a fulcrum or support for an arm that pivots or slides to close the main vacuum inlet when the air valve is opened. The float can pivot and rise to a limited extent when milking or when the milker is inverted for washing. The assembled cap, enclosure body and base are interfitted and sealed when the inlets and milk outlet are in alignment. With the assembled milker, there is no milk backflow and the float acts as a baffle for milk inflow. When the milker is drained of milk, the float promptly valves the exit shut to preserve the vacuum.
REFERENCES:
patent: 3377992 (1968-04-01), Baum
patent: 3726253 (1973-04-01), Duncan
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