US PATENT SUBCLASS 15 / 86
.~.~.~.~.~ Elevator wheel

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

3  DF  MACHINES {11}
21.1  DF  .~ Brushing {18}
78  DF  .~.~ Street sweepers {5}
82  DF  .~.~.~ Rotary-brush cylinder {1}
83  DF  .~.~.~.~ Collector {3}
86.~.~.~.~.~ Elevator wheel

DEFINITION

Classification: 15/86

Machines especially adapted for cleaning streets by means of a rotary cylindrical brush or broom having a collector for the sweepings and an elevating-wheel for delivering them thereto.