US PATENT SUBCLASS 239 / 539
.~.~ Having axial movement

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

537  DF  TERMINAL MEMBER AND VALVE PART MOVE AS UNIT {2}
538  DF  .~ Rotatable unit {2}
539.~.~ Having axial movement

DEFINITION

Classification: 239/539

(under subclass 538) Apparatus in which the rotatable unit also has movement in the direction of the axis about which it turns.

SEE OR SEARCH THIS CLASS, SUBCLASS:

458, for axially, rotary outer flow member in which the outlet is formed by parts mounted for relative movement.