Mattress spring core with open ended coils

Details Mattress spring core with open ended coils Mattress spring core with open ended coils

1985-11-14

1986-09-02

Stoner, Jr., Bruce H.

Spring devices

Spring panel

Spring panel comprises vertically oriented compressible coil...

267103, 5248, 5256, 5269, 5271, F16F 304

Patent

active

046091866

ABSTRACT:
A spring core comprises a plurality of coil springs 10 each made of a single, continuous piece of wire having two open ended final windings 11 which are approximately U-shaped. The coil springs are held together by spiral shaped connecting elements 30 enclosing the straight lateral arms 12, 13 of the final windings.

REFERENCES:
patent: 664756 (1900-12-01), Hunt
patent: 1108316 (1914-08-01), Baker
patent: 1344636 (1920-06-01), Jackson
patent: 1546273 (1926-08-01), Karr
patent: 1798885 (1931-03-01), Karr
patent: 1887058 (1932-11-01), Karr
patent: 2010986 (1935-08-01), Goethel
patent: 2374850 (1945-05-01), Wunderlich
patent: 2581686 (1952-01-01), McRoskey
patent: 2631840 (1953-03-01), Bugenhagen

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