US PATENT SUBCLASS 417 / 343
.~.~.~ Including mechanical interconnection to cause relative motion

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
338  DF  .~ Relatively movable pumping members driven by relatively movable working members {1}
339  DF  .~.~ Nonrotary pumping and fluid motor working members {5}
343.~.~.~ Including mechanical interconnection to cause relative motion

DEFINITION

Classification: 417/343

(under subclass 339) Apparatus in which there is provided mechanical motion constraining means (e.g., linkage, gearing, etc.) for interconnecting the pumping or working members in a manner which necessitates motion of one working member relative to another or one pumping member relative to another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

341, for mechanically interconnected, relatively movable working members which form opposite walls of a common expansible chamber.