US PATENT SUBCLASS 137 / 616.7
.~.~.~ Rotary valve

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
615  DF  .~ Articulated or swinging flow conduit {1}
616  DF  .~.~ Actuates valve {3}
616.7.~.~.~ Rotary valve

DEFINITION

Classification: 137/616.7

(under subclass 616) Devices wherein the movement of the flow conduit produces rotary motion of the valve or valve components.