US PATENT SUBCLASS 416 / 167
.~.~.~ Pin-slot or cam-slot connection to working member

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  DF  .~ Power or manual actuator on non-rotatable part {5}
164  DF  .~.~ Reciprocating sleeve or collar on or rod in impeller shaft {4}
167.~.~.~ Pin-slot or cam-slot connection to working member

DEFINITION

Classification: 416/167

(under subclass 164) Apparatus comprising a pin-slot, cam-slot or cam connecting means between the reciprocating member and the movable working member.