US PATENT SUBCLASS 439 / 657
.~.~.~ Screw-thread operated

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

625  DF  WITH INSULATION OTHER THAN CONDUCTOR SHEATH {10}
626  DF  .~ Plural-contact coupling part {7}
656  DF  .~.~ With common means securing plural conductors to separate contacts {1}
657.~.~.~ Screw-thread operated

DEFINITION

Classification: 439/657

Screw-thread operated:

(under subclass 656) Coupling part wherein the clamping or engaging force is caused by the motion resulting from the rotation of a screw-threaded member.