Offset continuous row coil spring assembly

Details Offset continuous row coil spring assembly Offset continuous row coil spring assembly

1987-02-02

1988-09-20

Scherbel, David A.

Beds

Bedclothing

And means to facilitate changing thereof

5248, 5269, 267 91, A47C 2304, F16F 304

Patent

active

047714948

ABSTRACT:
A spring assembly for mattresses, innersprings, and the like. The assembly comprises rows of coils, each row comprising a continuous length of wire formed into a plurality of coils interconnected by Z-shaped wire segments alternately disposed at the top and bottom of the coils. Adjacent rows of coils are connected by helical wire wound through overlapping sections of the Z-shaped wire segments. The overlapping connected sections are straight, flat offset sections located on opposite sides of each coil with the center of each overlapped section being located in a common diametral plane of the coil so that complete compression of the coil does not result in the coil being pulled laterally, twisted and distorted.

REFERENCES:
patent: 3648737 (1972-03-01), Dull
patent: 3657749 (1972-04-01), Norman
patent: 3911511 (1975-10-01), Higgins et al.
patent: 4067076 (1978-01-01), Krier
patent: 4112726 (1978-09-01), Adams et al.
patent: 4358097 (1982-11-01), Zapletal et al.
patent: 4488712 (1984-01-01), Higgins
patent: 4492298 (1985-01-01), Zapletal et al.

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