US PATENT SUBCLASS 451 / 145
.~.~.~.~.~.~ Hydraulic 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}
140  DF  .~.~.~.~ Work rotating {3}
143  DF  .~.~.~.~.~ Rotary work holder {5}
145.~.~.~.~.~.~ Hydraulic driver

DEFINITION

Classification: 451/145

Hydraulic driver:

(under subclass 143) Abrading machine wherein rotary motion is actuated by a fluid motor.