Joint-filling bodies

Claim 1

A JOINT-FILLING BODY FOR FILLING A GAP BETWEEN ADJACENT PARALLEL SURFACES, SAID JOINT-FILLING BODY COMPRISING TWO SUBSTANTIALLY PARALLEL CHECK HAVING SIDE FACES ADAPTED TO ENGAGE RESPECTIVE SURFACES FOR THE ENTIRE LENGTH OF THE SAID CHEEKS, MEANS CONNECTING SAID CHEEKS TOGETHER SOLELY AT ONE EXTREMITY THEREOF AND LEAVING THE REMAINDER OF THE CHEEKS FREE AND INDEPENDENT OF ONE ANOTHER, SAID MEANS COMPRISING A BRIDGE PORTION INCLUDING FIRST PORTIONS EXTENDING FROM EACH CHEEK AT SAID ONE EXTREMITY SUBSTANTIALLY PERPENDICULAR TO THE CHECK AND A V-SHAPED PORTION CONNECTED TO SAID FIRST PORTIONS, SAID V-SHAPED PORTION DEFINING AN INCLUDED ACUTE ANGLE, SAID V-SHAPED PORTION HAVING AN APEX REMOTE FROM THE EXTREMITIES OF THE CHEEK AND DISPOSED BETWEEN THE CHECKS, SAID V-SHAPED PORTION HAVING TAPERED LEGS WITH INCREASING THICKNESS FROM THE APEX TOWARDS SAID FIRST PORTIONS, SAID V-SHAPED PORTION HAVING A THICKNESS SUBSTANTIALLY LESS THEN THAT OF SAID CHEEKS, AND A PLURALITY OF ANCHORING RIBS DISPOSED IN SPACED RELATION ALONG THE LENGTH OF EACH CHEEK AND EXTENDING THEREFROM AND ADAPTED FOR BEING EMBEDDED IN SAID SURFACES, SAID RIBS HAVING OPPOSED INCLINED SURFACES WHICH DIVERGE IN A DIRECTION AWAY FROM THE CHEEKS, SAID CHEEKS RIBS AND BRIDGE PORTION BEING AN INTEGRAL ONEPIECE BODY OF GENERALLY INVERTED U-SHAPE AND CONSTITUTED OF UNIFORM RESILIENT MATERIAL HAVING A SUBSTANTIALLY UNIFORM MODULUS OF ELASTICITY.