Water walkers

Claim 1

IN A DEVICE FOR WALKING ON WATER COMPRISING, IN COMBINATION, A PAIR OF BUOYANT BOARDS, RECTANGULAR IN TRANSVERSE SECTION, AND HAVING A SERIES OF RECESSES SPACED ALONG THEIR UNDERSURFACES, EACH OF SAID RECESSES BEING INCLINED IN DEPTH TOWARD THE FORWARD ENDS OF SAID BOARDS AND TERMINATING IN A RIGHT ANGULAR WALL PERPENDICULAR TO THE UNDERSURFACES OF SAID BOARDS, A FLAP PIVOTED AT ONE END IN EACH OF SAID RECESSES ADJACENT TO SAID RIGHT-ANGULAR WALL AND FOLDABLE INTO SAID RECESSES DURING FORWARD MOVEMENT OF SAID BOARDS, THE SAID WALLS LIMITING THE HINGEABILITY OF SAID FLAPS WHEN SAID BOARDS ARE MOVED REARWARDLY, TWO PAIRS OF PARALLEL RODS RIGIDLY ATTACHED TO THE INNER SIDE OF EACH OF SAID BOARDS, SAID PAIRS OF SAID RODS BEING SPACED APART LONGITUDINALLY OF SAID BOARDS, A LINKAGE PIVOTALLY CONNECTING ONE OF A PAIR OF RODS ON ONE BOARD TO ONE OF A CORRESPONDING PAIR OF RODS ON THE OPPOSITE BOARD AND CAPABLE OF MAINTAINING SAID BOARDS IN PARALLEL SPACED RELATION, THE SAID LINKAGE BEING SLIDABLY AND PIVOTALLY CONNECTED AT EACH END TO SAID RODS WHEREBY SAID BOARDS CAN BE MOVED LONGITUDINALLY AND VERTICALLY WITH RESPECT TO EACH OTHER IN A RECIPROCATING MOTION.