US PATENT SUBCLASS 142 / 51
.~.~.~ Counterpoises

Current as of: June, 1999
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142 /   HD   WOOD TURNING

*  DD  PATTERN SECTION {6}
*  DD  .~ Oval form {1}
16  DF  .~.~ Guided chucks {1}
51.~.~.~ Counterpoises

DEFINITION

Classification: 142/51

Oval or elliptically-guided work-holder chucks provided with weights or counter-poises to balance the reciprocating parts of the chuck.