Spring assembly

Claim 1

A SPRING ASSEMBLY COMPRISING A PLURALITY OF COIL SPRINGS ARRANGED IN A SERIES OF COLUMNS AND ROWS, EACH SAID COIL SPRING BEING SPACED FROM THE COIL SPRINGS IN THE ADJACENT COLUMNS AND ROWS AND HAVING AN UPPER END RING CONVOLUTION AND A LOWER END RING CONVOLUTION WITH SAID COIL SPRINGS DISPOSED SO THAT ALL THE UPPER END RING CONVOLUTIONS LIE IN A FIRST PLANE AND ALL THE LOWER END RING CONVOLUTIONS LIE IN A SECOND PLANE WHICH PLANES RESPECTIVELY DEFINE THE UPPER AND LOWER SURFACES OF THE SPRING ASSEMBLY, A SERIES OF FIRST TIE WIRES DISPOSED PARALLEL TO SAID COLUMNS, EACH SAID FIRST TIE WIRE HAVING A PLURALITY OF SETS OF LOOP PORTIONS CONNECTED BY STRAIGHT PORTIONS OF SAID TIE WIRE, SAID SETS OF LOOP PORTIONS BEING SPACED ALONG EACH SAID TIE WIRE AT INTERVALS EQUAL TO THE SPACING BETWEEN CENTERS OF COIL SPRINGS IN ADJACENT ROWS, EACH SET OF LOOPS INCLUDING A FIRST UPSTANDING OFFSET LOOP DISPOSED SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID TIE WIRE AND TWO COOPERATING UPSTANDING LOOPS DISPOSED SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE TIE WIRE, SAID COOPERATING LOOPS BEING DISPOSED ON EITHER SIDE OF SAID OFFSET LOOP BETWEEN SAID OFFSET LOOP AND THE CONNECTED STRAIGHT PORTION OF SAID TIE WIRE AND BEING FORMED TO PROVIDE A DEPRESSION BETWEEN EACH COOPERATING LOOP AND THE OFFSET LOOP IN EACH SAID SET, A PORTION OF EACH END RING CONVOLUTION DISPOSED IN SAID DEPRESSIONS BETWEEN SAID OFFSET LOOP AND THE COOPERATING LOOPS OF EACH TIE WIRE ASSOCIATED WITH THE COLUMN OF COIL SPRINGS, A GROUP OF STRAIGHT TIE WIRES DISPOSED PERPENDICULARLY TO SAID FIRST TIE WIRES AND PASSING ACROSS THE CENTERS OF EACH ROW OF COILS, EACH SAID STRAIGHT TIE WIRE BEING PASSED THROUGH ALL THE OFFSET LOOPS ASSOCIATED WITH EACH PLANE IN THE ASSOCIATED ROW OF COILS AND OVER THE ASSOCIATED END RING CONVOLUTIONS OF THE COILS THAT ARE DISPOSED IN SAID DEPRESSIONS, AND A PLURALITY OF LINK WIRES EACH HAVING A STRAIGHT PORTION AND TWO END LOOP PORTIONS LYING SUBSTANTIALLY IN A SINGLE PLANE, ONE END LOOP PORTION OF EACH SAID LINK WIRE PASSING THROUGH SAID TWO COOPERATING LOOPS OF ONE OF THE FIRST TIE WIRES AND THE OTHER LOOP OF THE LINK WIRE PASSING THROUGH THE COOPERATING LOOPS IN A TIE WIRE ASSOCIATED WITH THE NEXT ADJACENT COLUMN OF COILS SO THAT THE END RING CONVOLUTIONS ARE CLAMPED SECURELY IN THE DEPRESSIONS FORMED IN SAID FIRST TIE WIRE AND MOVEMENT OF SAID COILS TOWARD ONE ANOTHER IS RESTRAINED WITHOUT INHIBITING THE FLEXING AND SUPPORT ACTION OF SAID SPRING ASSEMBLY.