US PATENT SUBCLASS 451 / 131
.~.~.~.~.~ Roller work feed

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
119  DF  .~ Rotary reciprocating tool {2}
120  DF  .~.~ Cylindrical tool {2}
124  DF  .~.~.~ Rectilinear {13}
130  DF  .~.~.~.~ One-way work traverse {1}
131.~.~.~.~.~ Roller work feed

DEFINITION

Classification: 451/131

Roller work feed:

(under subclass 130) Abrading machine which the workpiece is fed past the grinder in one direction only by feed rollers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

105, 172, 188+, 207+, and 301, for other roller work feeds.