Spring structure for furniture

Claim 1

A SPRING STRUCTURE COMPRISING A FRAME INCLUDING A PAIR OF SPACED-APART PARALLEL RAILS EACH HAVING A VERTICAL SIDE WALL PORTION AND A HORIZONTAL FLANGE PORTION, AND A PLURALITY OF SINUOUS WIRE TYPE SPRINGS BRIDGING THE SPACE BETWEEN SAID RAILS, EACH OF SAID SPRING HAVING A T ITS OPPOSITE ENDS A LEG PORTION RUNNING GENERALLY IN THE DIRECTION OF AND LYING FLATWISE UPON A FLANGE PORTION OF ONE OF SAID RAILS AND TERMINATING IN A RIGHT-ANGLE BENT FOOT PORTION, EACH RAIL FLANGE BEING APERTURED IMMEDIATELY ADJACENT ITS CORRESPONDING SIDE WALL PORTION TO ACCOMMODATE SLIP-FITTED INSERTION THERETHROUGH OF SAID SPRING FOOT PORTION SO THAT THE LATTER THEREUPON RESTS AGAINST SAID RAIL SIDE WALL PORTION AND EXTENDS THEREALONG IN A DIRECTION NORMAL TO THE PLANE OF SAID SPRING WHEREBY SPRING LOADINGS ARE RESILIENTLY RESISTED BY SAID FOOT PORTION ACTING IN CANTILEVER ANCHORED MANNER RELATIVE TO SAID RAIL, EACH SPRING BEING OF A LENGTH GREATER THAN THE SPACING BETWEEN SAID SIDE WALL PORTION OF THE RAILS SO THAT THE SPRING FOOT PORTIONS OF SAID SPRINGS BEAR FORCIBLY AGAINST RESPECTIVE SIDE WALL PORTIONS TO PLACE EACH SPRING INITIALLY UNDER COMPRESSION AND HOLD-DOWN MEANS CARRIED BY SAID RAIL TO ENGAGE SAID SPRING LEG PORTION AND CLAMPING IT AGAINST SAID RAIL FLANGE AND THEREBY STABILIZING SAID SPRING END PORTION AGAINST ROCKING IN ANY DIRECTION RELATIVE TO SAID RAIL.