US PATENT SUBCLASS 451 / 181
.~.~.~.~ Abrading crank-pin

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}
180  DF  .~.~.~ Internal {1}
181.~.~.~.~ Abrading crank-pin

DEFINITION

Classification: 451/181

Abrading crank-pin:

(under subclass 180) Abrading machine especially adapted to grind a journal bearing for receiving a crankshaft.