US PATENT SUBCLASS 451 / 244
.~.~.~.~ Work handling

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  DF  .~.~.~ Work rotating {5}
244.~.~.~.~ Work handling

DEFINITION

Classification: 451/244

Work handling:

(under subclass 242) Abrading machine wherein the work is loaded into a grinding position, supported for rotation while in contact with the abrading tool, and then unloaded.

(1) Note. This subclass includes patents for centerless grinders wherein the workpiece location is fixed during abrading.