US PATENT SUBCLASS 137 / 624.22
.~.~ Biased latch, cam operated

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

561 R  DF  SYSTEMS {32}
624.11  DF  .~ Programmer or timer {5}
624.22.~.~ Biased latch, cam operated

DEFINITION

Classification: 137/624.22

(under subclass 624.11) Subject matter including means biasing the valve in one direction, biased means latching the valve against its bias, and a cam for moving the latching means against its bias to free the valve for movement under its bias.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

66+, for a biased valve latched against the bias and having means to trip the latch so as to release the valve.