Woven spring unit

A rigid spring unit is constructed of coil springs and a top grid comprising a plurality of wires, including a first group or pair of parallel wires spaced apart a distance less than the diameter of the top coil of each spring. A second group of three wires, at right angles to the first pair, includ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MILLETTE, ELMER J, RAKOW, WALLACE J, JOHNSTON, PETER J
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A rigid spring unit is constructed of coil springs and a top grid comprising a plurality of wires, including a first group or pair of parallel wires spaced apart a distance less than the diameter of the top coil of each spring. A second group of three wires, at right angles to the first pair, includes a pair of outside wires spaced apart a distance less than the diameter of the top coil of the spring and a locking wire intermediate the outside wires. The top coil of each spring includes indentations that permit the top coil to be seated from below, in a pre-stressed, woven fashion into the wires of the top grid.