Animal husbandry – Milkers – With fluid compression
Patent
1974-07-11
1976-01-13
Chamblee, Hugh R.
Animal husbandry
Milkers
With fluid compression
119 1449, A01J 516
Patent
active
039317951
ABSTRACT:
A teat cup has a shell and an inner flexible inflation that hermetically seals each end of the shell, preferably leaving an elliptical space between the outer surface of the inflation and the inner surface of the shell. An aperture or opening in the shell communicates air to relieve the vacuum in the space when a valve in the aperture is moved by the collapsing and flattened inflation. The valve can be moved by the inflation located in the space or the valve can be pivoted by the flattened inflation to expose or register with a vacuum source or ambient atmosphere. The inflation is pulsed by a constant source of vacuum connected to an entrance that also leads to the space. The entrance can be valved shut by the inflation and a projection on same that is closely adjacent to the entrance. Also, a pair of inflations have their valved apertures interconnected to one another by a first conduit and a source of constant vacuum in communication with the entrances of the shells connected to one another by a second conduit so that the tandem pulsation of the inflations moves air back and forth through the first conduit.
REFERENCES:
patent: 1089932 (1914-03-01), Lubke
patent: 1111978 (1914-09-01), Uebler
patent: 1148706 (1915-08-01), Moore
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