Jumping shoe

Claim 1

A JUMPING SHOE COMPRISING A PLATFORM ADAPTED TO RECEIVE THEREON ONE OF THE USER''S FEET AND INCLUDING MEANS TO SECURE SAID SHOE TO SAID FOOT, TWO ELONGATED LINKS UNDERNEATH AND IN A PLANE LENGTHWISE AND VERTICAL WITH RESPECT TO SAID PLATFORM AND ATTACHED THERETO SO AS TO SUPPORT SAID PLATFORM, SAID LINKS BEING PIVOTED TOGETHER AT THEIR LOWER ENDS, THE UPPER ENDS OF SAID LINKS BEING SPACED FROM EACH OTHER SO THAT SAID LINKS ARE ANGULARLY SPREAD APART V-SHAPED, SECOND MEANS SECURED TO THE UNDERSIDE OF SAID PLATFORM AND ENGAGED BY THE UPPER ENDS OF SAID LINKS FOR GUIDING SAID UPPER ENDS FOR MOVEMENTS TOWARD EACH OTHER AND AWAY FROM EACH OTHER LONGITUDINALLY OF SAID PLATFORM AND IN OPPOSITE DIRECTIONS, AND FOR LIMITING SAID MOVEMENT OF SAID UPPER ENDS AWAY FROM EACH OTHER TO RESPECTIVE POSITINS THEREOF IN WHICH SAID LINKS ARE SPREAD APART NOT SUBSTANTIALLY MORE THAN 120 DEGREES, A TENSION SPRING SECURED WITH ITS ENDS TO SAID LINKS, RESPECTIVELY, AT DISTANCE FROM SAID PIVOT, AND THIRD MEANS CONNECTED TO SAID LINKS FOR SUPPORTING THEM FROM THE GROUND WHEREBY, WHEN SAID PLATFORM IS BEING LOADED SAID LINKS WILL BE FURTHER SPREAD APART AGAINST THE RESTRAINT OF SAID SPRING, SAID LINKS BEING PARTS OF A LAZY TONGS-LINKAGE HAVING ITS CENTRAL LINE PARALLEL TO SAID PLATFORM, SAID LINKAGE INCLUDING TWO END PIVOTS ON SAID CENTRAL LINE, AND SAID SPRINGS BEING SPANNED BETWEEN AND ANCHORED TO SAID END PIVOTS.