(under subclass 277) Hinge wherein an elastically deformable element is arranged to force a first surface associated with a hinged member* in a direction along or parallel to the hinge axis* toward a second surface, wherein the curvature of one of the surfaces results in pivotal movement of the hinged member about the hinge axis.
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284, for similarly operated hinges in which a hinged member* is biased from either side of an equilibrium position toward the position.