US PATENT SUBCLASS 416 / 215
.~ Blade received by continuous circumferential channel

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}
215.~ Blade received by continuous circumferential channel {3}
216  DF  .~.~> Radially spaced ribs or grooves
217  DF  .~.~> Divided blade root
218  DF  .~.~> Having circumferentially extending binder

DEFINITION

Classification: 416/215

(under subclass 204) Apparatus wherein the mounting is provided with a circumferentially extending recess into which a portion of the blade is securely received.

(1) Note. The circumferential slot may be disposed on the periphery or end wall of the carrier*.