US PATENT SUBCLASS 451 / 223
.~.~.~.~.~.~.~ Including work support engaging work at opposite, axial ends; e.g., opposed "centers"

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}
212  DF  .~.~.~ Reciprocating work holder {4}
213  DF  .~.~.~.~ Rectilinear {6}
218  DF  .~.~.~.~.~ Work rotating {4}
222  DF  .~.~.~.~.~.~ Thread abrader {1}
223.~.~.~.~.~.~.~ Including work support engaging work at opposite, axial ends; e.g., opposed "centers"

DEFINITION

Classification: 451/223

Including work support engaging work at opposite, axial ends (e.g., opposed "centers"):

(under subclass 222) Abrading machine having a pair of members intended to contact an elongated, generally rodlike workpiece at both ends to support the workpiece while allowing the workpiece to rotate with respect to the abrading tool.