US PATENT SUBCLASS 15 / 360
.~.~.~.~ Urged away from contact with work

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}
354  DF  .~.~ With work-contacting carriage or mount, and relatively adjustable nozzle {5}
359  DF  .~.~.~ Biased or floating nozzle {1}
360.~.~.~.~ Urged away from contact with work

DEFINITION

Classification: 15/360

(under subclass 359) Apparatus in which the nozzle is biased or urged away from contact with the work.

(1) Note. Usually downward pressure on the nozzle exerted through the manipulating handle, results in adjusting or varying the nozzle height.