Bent wire spring unit

Details Bent wire spring unit Bent wire spring unit

1984-07-18

1986-03-25

Halvosa, George E. A.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

5247, 5255, A47C 2302

Patent

active

045778418

ABSTRACT:
A spring assembly comprising a base frame and a grid frame held in spaced, parallel relation by transversely and longitudinally-spaced spring units, some of which are bent wire spring units and others of which are coil spring units, each bent wire spring unit being yieldable in bending and torsion to pressure applied to their upper ends, and symmetrical with respect to its vertical axes.

REFERENCES:
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patent: 813244 (1906-02-01), Smith
patent: 2681457 (1954-06-01), Rymland
patent: 3200417 (1965-08-01), Costello
patent: 3428304 (1969-02-01), Rowe
patent: 3517398 (1970-06-01), Patton
patent: 3561021 (1971-02-01), Slominski
patent: 3574241 (1971-04-01), Slominski
patent: 3833948 (1974-09-01), Surletta et al.
patent: 4004304 (1977-01-01), Kane
patent: 4068329 (1978-01-01), Gross et al.
patent: 4398705 (1983-08-01), Mizelle
patent: 4470584 (1984-09-01), Mizelle

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