US PATENT SUBCLASS 417 / 484
.~.~ Distributor in pumping member

Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
481  DF  .~ Oscillating pumping member {2}
484.~.~ Distributor in pumping member

DEFINITION

Classification: 417/484

(under subclass 481) Apparatus in which the means for controlling the inlet of fluid into the chamber or exhaust of fluid from the chamber comprises a distributor positioned in the pumping member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

483, for a discharge distributor in an oscillating pumping member combined with an inlet distributor in an abutment wall for the pumping member.