US PATENT SUBCLASS 15 / 349
.~.~.~ With receiver for dirt from rotary or moving agitator

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}
347  DF  .~.~ With dust or dirt handling or storing or separating, e.g., filter bags {5}
349.~.~.~ With receiver for dirt from rotary or moving agitator

DEFINITION

Classification: 15/349

(under subclass 347) Apparatus having a rotary or other moving agitator and having pans, trays, or the like for catching the heavier dirt particles which have been set in motion initially by the movement of the agitator but which cannot be entrained or removed by the air stream.

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348, for conveying means acting in addition to the air stream, the conveyor generally handling heavier and/or larger particles while the lighter particles remain entrained in the air stream.