US PATENT SUBCLASS 416 / 207
.~.~ Blade releasably clamped

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

204 R  DF  SPECIFIC WORKING MEMBER MOUNT {9}
205  DF  .~ Adjustable {3}
207.~.~ Blade releasably clamped {1}
208  DF  .~.~.~> Split impeller hub

DEFINITION

Classification: 416/207

(under subclass 205) Apparatus wherein an impeller blade is secured to its mounting by a pressing or wedging means which may be manually loosened permitting repositioning of the blade in a different operative attitude or relationship.