Spring devices – Spring panel – With cantilevered surface extension – i.e. – 'soft edge'
Patent
1975-04-09
1976-09-28
Marbert, James B.
Spring devices
Spring panel
With cantilevered surface extension, i.e., 'soft edge'
5351, 5260, F16F 300
Patent
active
039827372
ABSTRACT:
A spring assembly for a seat having a rigid frame including front and rear rails, comprising a flexible deck sheet connected at its rearward edge to said rear frame rail, with its forward edge spaced rearwardly from the front frame rail, a series of angled levers spaced across the forward edge of the deck sheet and vertically pivoted thereon, the longer upper legs of the levers being inclined upwardly to be spaced at their upper ends above the front frame rail to form a bolster support, links connecting the free ends of the shorter lower legs of the levers to the front frame rail, and springs applying elastic tension to the deck sheet, lower level legs and links between the front and rear frame rails.
REFERENCES:
patent: 2313020 (1943-03-01), Nussbaum
patent: 2384191 (1945-09-01), Neely
patent: 3529815 (1970-09-01), Garrison
Arnold Harmon W.
Isaacs Robert O.
Platt John G.
Tieman Lloyd E.
Flex-O-Lators Inc.
Hamilton John A.
Marbert James B.
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