Box spring assembly

Details Box spring assembly Box spring assembly

1975-10-10

1977-11-15

Nunberg, Casmir A.

Beds

Bedsteads

Having bottom

5257, 5351, A47C 2302

Patent

active

040578607

ABSTRACT:
A box spring assembly for use as a supporting foundation for a bed mattress. The assembly comprises a wooden frame, slats, spiral springs, edge coil springs, a border wire and a welded wire top grid. The spiral springs extend transverse to the wooden slats and alternate revolutions of the spiral springs are secured to the slats. At the top, the spiral springs are supported by the welded wire grid. Side edge reinforcement and resiliency is provided by coil springs, each of which is secured at the bottom to the wooden frame and at the top to the border wire and grid.

REFERENCES:
patent: 488060 (1892-12-01), Bunker
patent: 2610334 (1952-09-01), Piliero
patent: 3087169 (1963-04-01), Melen
patent: 3833948 (1974-09-01), Surletta

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