US PATENT SUBCLASS 239 / 265.37
.~.~.~ Radially inwardly movable wall

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

265.11  DF  REACTION MOTOR DISCHARGE NOZZLE {4}
265.19  DF  .~ With means controlling amount, shape or direction of discharge stream {3}
265.33  DF  .~.~ Radially outermost flow defining wall adjustable {2}
265.37.~.~.~ Radially inwardly movable wall {2}
265.39  DF  .~.~.~.~> At least three pivoted flaps form outlet {1}
265.43  DF  .~.~.~.~> Resilient or deformable wall

DEFINITION

Classification: 239/265.37

(under subclass 265.33) Apparatus in which the solid member is movable towards the axis of fluid flow to decrease the diameter of the stream.