Box spring grid and method of manufacture

Details Box spring grid and method of manufacture Box spring grid and method of manufacture

1975-08-11

1976-10-05

Larson, Lowell A.

Wireworking

Fabric making

Link and perforated plates

140107, 5273, 5267, B21F 2716

Patent

active

039839109

ABSTRACT:
A box spring grid which includes coil spring engaging ears and a plurality of support wires secured to the grid and each including an ear. The ends of each support wire may be reversely bent around one end coil of a coil spring. Also disclosed is a method of manufacturing a box spring support grid wherein ears are formed in all longitudinal wires, between each pair of transverse wires, and, subsequently, selected portions of certain longitudinal wires are removed.

REFERENCES:
patent: 441653 (1890-12-01), Foster
patent: 487288 (1892-12-01), Monzel
patent: 568101 (1896-09-01), Rouse
patent: 3063472 (1962-11-01), Winters
patent: 3577574 (1971-05-01), Ciampa et al.

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