Cart steering wheel suspension

Claim 1

CART SUSPENSION APPARATUS, COMPRISING A GROUND WHEEL, CART STEERING STRUCTURE TURNABLE ABOUT A BEARING AXIS FOR TURNING THE WHEEL, SAID STRUCTURE INCLUDING A FORK, AND LINKS THROUGH WHICH CART IMPOSED LOADING IS TRANSMITTED TO THE WHEEL AND PIVOTED WITH RESPECT TO THE RESPECTIVE FORK LEGS AND ABOUT A FIRST TRANSVERSE PIVOT AXIS TO ALLOW THE WHEEL TO MOVE UP AND DOWN RELATIVE TOO THE CART AND FORK, SAID STRUCTURE ALSO INCLUDING EXTENSIONS RESPECTIVELY INTEGRAL WITH THE WORK AND AT LEAST ONE LINK, SAID EXTENSIONS PROJECTING INTO TRANSVERSELY SPACED APART AND OVERLAPPING RELATION, AND ELASTOMERIC BODY MEANS CARRIED BY AND BETWEEN TRANSVERSELY SPACED PORTIONS OF SAID EXTENSIONS, SAID PORTIONS AND SAID BODY MEANS BEING OFFSET FROM AND AT ONE SIDE OF SAID TRANSVERSE AXIS SO THAT SAID PORTIONS SUBJECT SAID BODY TO SHEAR IN RESPONSE TO SAID WHEEL MOVEMENT, WHEREBY SAID BODY TRANSMITS ONLY A PORTION OF CART IMPOSED LOADING AND IN SHEAR FOR RESISTING PIVOTING OF SAID LINKS WITH RESPECT TO SAID FORK, SAID BODY HAVING POSITIONS IN WHICH ESSENTIALLY ALL OF THE RESISTANCE TO FLEXING OF SAID LINKAGE IS DEVELOPED IN AND BY THE BODY LOADED INTO SHEAR CONFIGURATION.