US PATENT SUBCLASS 416 / 116
.~.~ Stationary cam track or guide surface

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

98  DF  SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.) {9}
112  DF  .~ Responsive to fixed actuator (e.g., cam or trip, etc.) {2}
116.~.~ Stationary cam track or guide surface

DEFINITION

Classification: 416/116

(under subclass 112) Apparatus wherein the movement effecting means comprises a cam track or guide surface fixedly supported relative to the impeller rotation axis.