US PATENT SUBCLASS 451 / 204
.~.~.~.~.~ Rocking

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178  DF  .~.~ Rotary cylinder {11}
194  DF  .~.~.~ Opposed abrading tools {5}
199  DF  .~.~.~.~ Reciprocating work holder {3}
204.~.~.~.~.~ Rocking {1}
205  DF  .~.~.~.~.~.~> Blade sharpener

DEFINITION

Classification: 451/204

Rocking:

(under subclass 199) Abrading machine in which the work holder moves to-and-fro about an axis that coincides with the point of engagement of the abrading tool and the workpiece and the tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, 171, 201, 216, 226+, 266, and 276+, for other machines having rocking work holders.