US PATENT SUBCLASS 15 / 376
.~.~.~.~ Agitator bearing or drive air bleed

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
363  DF  .~.~ With mechanical agitating means {12}
375  DF  .~.~.~ With auxiliary ambient air inlet to nozzle, e.g., through air tunnel and/or agitator {1}
376.~.~.~.~ Agitator bearing or drive air bleed

DEFINITION

Classification: 15/376

(under subclass 375) Apparatus in which the auxiliary air is admitted at such locations that it serves to sweep off or protect from dust and dirt agitator bearings and drive mechanism.