Spring core for a mattress

Details Spring core for a mattress Spring core for a mattress

1995-01-09

1996-11-19

Graham, Matthew C.

Spring devices

Spring panel

Spring panel comprises vertically oriented compressible coil...

5248, 5257, 267101, F16F 304

Patent

active

055754600

ABSTRACT:
Described is a spring core for a mattress, consisting of a multiplicity of identically shaped spiral springs with in each case two end rings lying diametrically opposite each other, which change to a spring coil part arranged centered between them, whereby the end rings are shaped approximately circular and consist essentially of two assembly legs, one transition leg and one additional leg and are opened on one side, whereby the leg lying opposite the respective open side of the upper or lower end ring is bent radially outward with respect to the longitudinal axis of the spring.

REFERENCES:
patent: 2972154 (1961-02-01), Raszinski
patent: 3064280 (1962-11-01), Nachman, Jr.
patent: 3754744 (1973-08-01), Ciampa et al.
patent: 4609186 (1986-09-01), Thoenen
patent: 4726572 (1988-02-01), Flesher et al.
patent: 4817924 (1989-04-01), Thoenen

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