US PATENT SUBCLASS 451 / 283
.~.~.~ Work rotating

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
259  DF  .~.~ Rotary disk {10}
283.~.~.~ Work rotating {2}
284  DF  .~.~.~.~> Raceway
285  DF  .~.~.~.~> Rotary work holder {6}

DEFINITION

Classification: 451/283

Work rotating:

(under subclass 259) Abrading machine in which the work is turned about an axis while being abraded.

(1) Note. This subclass includes a machine in which the workpiece rotates while being abraded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134, 140, 189, 209+, 218+, 227+, 242+, 268+, 306, 307+, 317+, 394, and 397+, for other work rotating.