US PATENT SUBCLASS 366 / 330.2
.~.~.~.~ Blade detachably secured to hub

Current as of: June, 1999
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366 /   HD   AGITATING

241  DF  STIRRER WITHIN STATIONARY MIXING CHAMBER {10}
279  DF  .~ Rotatable stirrer {15}
325.1  DF  .~.~ Relatively fixed plural elements {14}
330.1  DF  .~.~.~ Axially directing blade (e.g., propeller, helix section, etc.) {6}
330.2.~.~.~.~ Blade detachably secured to hub

DEFINITION

Classification: 366/330.2

Blade detachably secured to hub:

(under subclass 330.1) Subject matter wherein the rotatable

shaft has an enlarged section configured to receive the blade in a readily removable manner.

(1) Note. The blade may secured to the hub by screws, for example.