Seat spring assembly (torque-coil)

Details Seat spring assembly (torque-coil) Seat spring assembly (torque-coil)

1979-10-05

1981-12-01

Halvosa, George E. A.

Spring devices

Spring panel

Diverse types of superposed metallic springs

5263, 267 96, 267100, 267112, 297452, F16F 310

Patent

active

043032320

ABSTRACT:
A coil seat spring assembly wherein spring coils are mounted on a plurality of sinuous spring bands extending between the front and back rails of a furniture seat frame. The axes of the coils are substantially vertical. The coils on each band are clamped to each other and to adjacent coils and adjacent bands at their uppermost coil turns and at their lowermost coil turns. The coils are approximately two-thirds the axial length of conventional coil springs.

REFERENCES:
patent: 1592870 (1926-07-01), Scholzen
patent: 1826012 (1931-10-01), McElroy
patent: 2293563 (1942-08-01), Ruggles
patent: 2649896 (1953-08-01), Stubnitz
patent: 2680475 (1954-06-01), Caton
patent: 3210064 (1965-10-01), Crosby
patent: 3388904 (1968-06-01), Crosby et al.
patent: 3624846 (1971-12-01), Rub
patent: 3790149 (1974-02-01), Crosby
patent: 3942777 (1976-03-01), Mardusky et al.

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