US PATENT SUBCLASS 119 / 14.3
.~.~.~ With continuous vacuum derived from pulsating line

Current as of: June, 1999
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119 /   HD   ANIMAL HUSBANDRY

14.01  DF  MILKERS {18}
14.27  DF  .~ With fluid compression {10}
14.29  DF  .~.~ Plural pulsators operating in series {1}
14.3.~.~.~ With continuous vacuum derived from pulsating line

DEFINITION

Classification: 119/14.3

(under subclass 14.29) Milkers having some means usually in the form of check valve which is operated by the pulsing fluid line to derive therefrom a source of continuous vacuum.

(1) Note. The continuous vacuum is generally maintained in a receiver and is applied to the milk channel of the teat cup.