Spring structure for cushion seating

Details Spring structure for cushion seating Spring structure for cushion seating

1987-08-07

1989-12-12

Kashnikow, Andres

Spring devices

Spring panel

Spring panel comprises vertically oriented compressible coil...

267 87, 267 89, 267 91, 267100, 267103, 5248, 5264R, F16F 302, A47C 23053, A47C 2328

Patent

active

048862509

ABSTRACT:
An adjustable coil seat is provided which utilizes the combination of a plurality of parallel rows of sinuous springs which are connected at opposite ends of the frame, at least one row of tapered conical coil springs in transverse relation to the sinuous springs and positioned in supporting relationship under the sinuous springs at a location between the ends of the sinuous springs, and a rigid cross-support beam structure which supports the bottom end of the tapered coiled springs. The cross support structure may be of adjustable height to vary pretension of the spring mechanism.

REFERENCES:
patent: 256666 (1882-04-01), Ford
patent: 316444 (1885-04-01), Burr
patent: 2234253 (1941-03-01), Hopkes
patent: 2280912 (1942-04-01), Hopkes
patent: 2305530 (1942-12-01), Hopkes
patent: 2685328 (1954-08-01), Hopkes, Jr.
patent: 2985895 (1961-05-01), Bloom
patent: 3059249 (1962-10-01), Kamp
patent: 3624846 (1971-12-01), Rub
patent: 4597566 (1986-07-01), Scrivner
Advertisement appearing in Apr. 1987, Upholstery Manufacturing Management, vol. 7, No. 4, p. 9.

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