US PATENT SUBCLASS 451 / 197
.~.~.~.~ Plunger infeeder

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}
194  DF  .~.~.~ Opposed abrading tools {5}
197.~.~.~.~ Plunger infeeder {1}
198  DF  .~.~.~.~.~> Blade sharpener

DEFINITION

Classification: 451/197

Plunger infeeder:

(under subclass 194) Abrading machine in which the work is fed between the tools by a reciprocating pushing device.