US PATENT SUBCLASS 239 / 459
.~.~ Spring biased nonrotatable controller within discharge guide

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

451  DF  TERMINAL OUTLET FORMED BETWEEN PARTS MOUNTED FOR RELATIVE MOVEMENT {3}
456  DF  .~ Axially movable outlet part {3}
459.~.~ Spring biased nonrotatable controller within discharge guide

DEFINITION

Classification: 239/459

(under subclass 456) Apparatus having an axially movable terminal forming member within the flow conduit which is resiliently urged in one direction and which is constrained to reciprocate only.