Mechanism for coupling two objects

Claim 1

A mechanism for coupling two objects comprising at least one elastic element connected between said objects, a plurality of coupling devices connected between said objects, each of said coupling devices comprising two linkage systems connected to each other at sides thereof remote from the objects coupled by said coupling devices, each system comprising linkage elements connected by four hinges so as to form a closed parallelogram loop, said hinges being located at the vertices of said parallelogram, opposite linkage elements of each of said systems arranged for rotational movement relative to the object their respective system is directly coupled to about the hinges of their system, means connecting one of said systems of each coupling device to one of said objects so as to permit rotational movement of said system as an entire unit about a first axis and relative to said object connected thereto, the direction of said first axis being different from the direction of the axes about which said linkage elements can rotate, and means for connecting said other system of said coupling device to the other of said objects and to said first system so that said other system is capable of rotational movement about a second axis parallel to said first axis relative to said other object Connected thereto or relative to said first system, wherein three of said coupling devices are provided between said objects, each of said coupling devices lying in a plane containing said first and second axes, said planes passing through a common point and intersecting each other forming three lines none of which are parallel or coincident.