US PATENT SUBCLASS 74 / 520
.~.~.~ Toggle

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
*  DD  .~ Elements {8}
519  DF  .~.~ Levers {5}
520.~.~.~ Toggle {1}
521  DF  .~.~.~.~> Lazy tongs

DEFINITION

Classification: 74/520

(under subclass 519) Elements hinged together and employed to transmit a varying force by lateral pressure on the hinge.

SEE OR SEARCH CLASS

108, Horizontally Supported Planar Surfaces,

81, for drop leaf extension surfaces having a toggle type diagonal brace.