US PATENT SUBCLASS 172 / 54.5
.~.~ Tool reciprocates or oscillates within a generally horizontal plane

Current as of: June, 1999
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172 /   HD   EARTH WORKING

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
48  DF  .~ Plural driven tools {6}
54.5.~.~ Tool reciprocates or oscillates within a generally horizontal plane

DEFINITION

Classification: 172/54.5

Tool reciprocates or oscillates within a generally horizontal plane:

(under subclass 48) Apparatus in which the earth working elements are moved back and forth either in a generally straight-line path, or in a generally arcuate path, or both, within a generally horizontal plane.