US PATENT SUBCLASS 137 / 530
.~.~.~ Cam means for adjusting and fixing bias

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
511  DF  .~ Direct response valves (i.e., check valve type) {14}
528  DF  .~.~ Reciprocating valves {5}
530.~.~.~ Cam means for adjusting and fixing bias

DEFINITION

Classification: 137/530

(under subclass 528) Valves having a cam member associated with a biasing means to determine the effect of the bias.

SEE OR SEARCH THIS CLASS, SUBCLASS:

524, for bias adjustment means and indicator for condition responsive valves.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

336+, for biased valves, and see the search notes thereto.