US PATENT SUBCLASS 451 / 121
.~.~.~ Oscillating

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
119  DF  .~ Rotary reciprocating tool {2}
120  DF  .~.~ Cylindrical tool {2}
121.~.~.~ Oscillating {2}
122  DF  .~.~.~.~> Harvester knife
123  DF  .~.~.~.~> Work rotating

DEFINITION

Classification: 451/121

Oscillating:

(under subclass 120) Abrading machine wherein the abrading tool moves to-and-fro about an axis.

(1) Note. Including herein is a "rocking" tool (i.e., one which moves to-and-fro about an axis that coincides with the point of engagement of the tool with the workpiece).

SEE OR SEARCH THIS CLASS, SUBCLASS:

163, for an abrading machine including an oscillating tool not having rotary motion about another axis.