Bedding foundation having snap-in place formed wire springs

Details Bedding foundation having snap-in place formed wire springs Bedding foundation having snap-in place formed wire springs

1988-03-14

1990-01-30

Trettel, Michael F.

Beds

Bedsteads

Having bottom

5255, 5267, A47C 2304

Patent

active

048963860

ABSTRACT:
A box spring assembly includes a base frame, a top wire grid and a plurality of formed wire springs interconnecting the top wire grid and the base frame. The formed wire springs each comprises a wire strip formed into an inverted U-shaped configuration with the closed end of each U-shaped spring generally Z-shaped and attached to the top wire grid by a snap-fit connection and the free ends at the bottom of the U-shaped spring being attached to the base frame.

REFERENCES:
patent: 3825960 (1974-07-01), Inman et al.
patent: 3833948 (1974-09-01), Surletta et al.
patent: 3835485 (1974-09-01), Klicki
patent: 3990121 (1976-11-01), Whitaker
patent: 4101993 (1978-07-01), Yates et al.
patent: 4339834 (1982-07-01), Mizelle
patent: 4555097 (1985-11-01), Hiatt
patent: 4704752 (1987-11-01), Yates et al.
patent: 4721290 (1988-01-01), Hagemeister

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