Spring assembly with helical coils of spring wire with unknotted

Details Spring assembly with helical coils of spring wire with unknotted Spring assembly with helical coils of spring wire with unknotted

1987-12-07

1988-11-01

Butler, Douglas C.

Spring devices

Spring panel

Spring panel comprises vertically oriented compressible coil...

5248, 5256, 5269, 5267, 267 97, A47C 2302, F16F 304

Patent

active

047813601

ABSTRACT:
A spring assembly wherein there is a rectangular border wire and there are coils disposed in spaced, parallel rows within the border wire. The coils in the rows of coils lap and are connected by helices of wire. The helices of wire connect the adjacent rows of coils, and the coils adjacent the border wire are connected thereto by a helix of wire.

REFERENCES:
patent: 1744389 (1930-01-01), Karr
patent: 1798885 (1931-03-01), Karr
patent: 1879172 (1932-09-01), Gail
patent: 1887058 (1932-11-01), Karr
patent: 2374850 (1945-05-01), Wunderlich
patent: 2516566 (1950-07-01), Hager
patent: 2581686 (1952-01-01), McRoskey
patent: 3052460 (1962-09-01), Nachman, Jr.
patent: 4004304 (1977-01-01), Kane
patent: 4426070 (1984-01-01), Garceau et al.
patent: 4475724 (1984-10-01), Hancock
patent: 4639957 (1987-02-01), Wells et al.
patent: 4699362 (1987-10-01), Krakauer

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