US PATENT SUBCLASS 416 / 159
.~ Power or manual actuator on non-rotatable part

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

147  DF  HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT {6}
159.~ Power or manual actuator on non-rotatable part {5}
160  DF  .~.~> Planetary gearing connecting rotatable and non-rotatable parts
161  DF  .~.~> Axially movable impeller
162  DF  .~.~> Having motor
163  DF  .~.~> Adjustment rod through entire impeller shaft
164  DF  .~.~> Reciprocating sleeve or collar on or rod in impeller shaft {4}

DEFINITION

Classification: 416/159

(under subclass 147) Apparatus wherein the impeller or working member movement is effected by a power or manual actuator mounted on a part which is fixed in position relative to the impeller or working member.