Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Patent
1987-07-13
1989-01-10
Kashnikow, Andres
Spring devices
Spring panel
Spring means spacing loading surface vertically from plane...
5247, 5262, 267110, A47C 2302, F16F 302
Patent
active
047968729
ABSTRACT:
A bent wire spring module provided with spirally-formed attaching elements at its upper end for interengagement with the border wires of a grid frame.
REFERENCES:
patent: 3085259 (1963-04-01), Sandor
patent: 3292921 (1966-12-01), Winkler et al.
patent: 3653081 (1972-04-01), Davis
patent: 4470584 (1984-09-01), Mizelle
patent: 4577841 (1986-03-01), Hagemeister
patent: 4595181 (1986-06-01), Hagemeister
patent: 4703527 (1987-11-01), Mizelle
Gammons Robert T.
Kashnikow Andres
Potosnak Richard
Webster Spring Co. Inc.
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