Furniture seat supports and spring assemblies

Details Furniture seat supports and spring assemblies Furniture seat supports and spring assemblies

1986-10-14

1987-12-01

Butler, Douglas C.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

267106, 267107, 267109, 267110, 267142, F16F 300

Patent

active

047099062

ABSTRACT:
A resilient furniture seat support is provided with spring assemblies formed of base springs which have upper springs mounted thereon. Each base spring is formed of a length of wire with forward and rear mounting portions which are connectible to the front and rear rails of a seat frame. The upper springs have base portions connected to and supported by the base spring, resilient vertically collapsible midportions, and upper attachment portions adapted for attachment to transverse border wires or crosswires. Two upper springs have their attachment portions connected together. The base spring has a resilient vertically collapsible section, and an attachment portion is located at the upper end of this collapsible section. The upper attachment portion of the base spring is attached to the upper attachment portion of one of the upper springs.

REFERENCES:
patent: 2643705 (1953-06-01), Neely
patent: 2773543 (1956-12-01), Sandor
patent: 2815797 (1957-12-01), Flint
patent: 2856989 (1958-10-01), Pawlikowski
patent: 2934133 (1960-04-01), Pawlikowski
patent: 3888474 (1975-06-01), Mandusky et al.
patent: 4357005 (1982-11-01), Bourke
patent: 4426070 (1984-01-01), Garceau et al.
patent: 4619445 (1986-10-01), Sasaki
patent: 4636006 (1987-01-01), Kazaoka et al.

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