US PATENT SUBCLASS 451 / 242
.~.~.~ Work rotating

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}
242.~.~.~ Work rotating {5}
243  DF  .~.~.~.~> With "dead" center
244  DF  .~.~.~.~> Work handling
245  DF  .~.~.~.~> Through feed
246  DF  .~.~.~.~> Rotary work holder {9}
258  DF  .~.~.~.~> Disk or wheel abrader

DEFINITION

Classification: 451/242

Work rotating:

(under subclass 178) Abrading machine in which the work is turned about an axis while being abraded.

(1) Note. This subclass includes a machine in which a workpiece is other than a disk or wheel and is merely rotated, without the use of a specific rotary work holder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134, 140, 189, 209+, 218+, 227+, 268+, 283+, 306, 307+, 317+, 394, and 397+, for other work rotating.