US PATENT SUBCLASS 137 / 886
.~.~ With threaded actuator

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

561 R  DF  SYSTEMS {32}
861  DF  .~ With flow control means for branched passages {8}
886.~.~ With threaded actuator

DEFINITION

Classification: 137/886

With threaded actuator:

(under subclass 886) System comprising a fluent material flow regulating means having an operator with a helical rib, which operator reciprocates as a result of rotary motion applied thereto.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

213+, for valves with threaded actuators, per se.