US PATENT SUBCLASS 451 / 154
.~.~.~.~.~ Rack and pinion driver

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}
150  DF  .~.~.~.~ Rectilinearly reciprocating tool carriage {4}
154.~.~.~.~.~ Rack and pinion driver

DEFINITION

Classification: 451/154

Rack and pinion driver:

(under subclass 150) Abrading machine wherein the reciprocating motion is caused by a toothed bar meshed with a gear.