US PATENT SUBCLASS 251 / 266
.~.~ Non-reciprocating actuator

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

213  DF  MECHANICAL MOVEMENT ACTUATOR {10}
264  DF  .~ Screw {5}
266.~.~ Non-reciprocating actuator {3}
267  DF  .~.~.~> Internal thread {1}
270  DF  .~.~.~> Removable guide {1}
272  DF  .~.~.~> Biased

DEFINITION

Classification: 251/266

(under subclass 264) Devices in which the actuation initiating portion of the screw has only rotary motion.