(under subclass 329) Subject matter further provided with a second pair of hinged elements attached or cooperating with one or more of the clasp* members such that a force applied to the hinged joint of the second pair of elements causes the elements to straighten out and apply forces at the unhinged ends of the second pair of elements, the end forces being transmitted to the one or more of the clasp* members.
SEE OR SEARCH CLASS
403, Joints and Connections,
303, for a distinct end coupler in the form of a single toggle-type operator for plural connectors.