US PATENT SUBCLASS 239 / 259
.~.~ With binding preventing means or seal

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

225.1  DF  DISTRIBUTOR CONTINUOUSLY MOVES RELATIVE TO SUPPORT DURING SPRAYING {16}
251  DF  .~ Reaction-type nozzle motive means {8}
259.~.~ With binding preventing means or seal {1}
260  DF  .~.~.~> Distributor vibrating or jarring means

DEFINITION

Classification: 239/259

(under subclass 251) Apparatus which includes (1) means other than or in addition to a mere bushing to support a distributor for unrestrained motion, or (2) means to prevent fluids from leaking at joints between relatively moving portions of the apparatus.

(1) Note. Ball and roller type bearings have been considered to be proper subject matter for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

254, for sealing members in which a body of liquid forms a barrier against leakage.