Movable or removable closures – Closure condition signal or indicator – Indicator at remote station
Patent
1985-08-26
1987-06-09
Swiatek, Robert P.
Movable or removable closures
Closure condition signal or indicator
Indicator at remote station
A01J 500
Patent
active
046712097
ABSTRACT:
A teat cup claw includes a milk inlet section with four separate compartments each of which are communicable with the interiors of a claw bowl upon which the milk inlet section is mounted. A valving member is provided for each compartment of the milk inlet section, the valving member being normally closed and adapted to open when a pressure differential across it exists. The valving members independently isolate the inlet section from the claw bowl if for any reason milking vacuum in teat cups to which the claw is connected falls. A cam ring can be provided to hold all valves open during washing cycles.
REFERENCES:
patent: 3014455 (1961-12-01), Olander
patent: 3810443 (1974-05-01), Bodmin
patent: 4253419 (1981-03-01), Yang
patent: 4395972 (1983-08-01), Griffin
Evans Claude R.
Whittlestone Walter G.
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