US PATENT SUBCLASS 15 / 50.2
.~.~.~.~ Reciprocating brush

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}
49.1  DF  .~.~ Floor and wall cleaner {3}
50.1  DF  .~.~.~ Scrubber {4}
50.2.~.~.~.~ Reciprocating brush

DEFINITION

Classification: 15/50.2

Reciprocating brush:

(under subclass 50.1) Subject matter having means to move the brush cyclically in alternate directions in a straight line across the work surface.

(1) Note. The combined motion of the brush across, and towards and away from the work surface may include other than straight line components (e.g., oscillatory motion).