Wire grid and wire spring module for use with a furniture spring

Details Wire grid and wire spring module for use with a furniture spring Wire grid and wire spring module for use with a furniture spring

1998-03-09

1999-10-12

Schwartz, Christopher P.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

267144, 5268, 5255, F16F 300

Patent

active

059644532

ABSTRACT:
A wire spring module and wire grid for use in a furniture spring assembly for mounting an array of multiple spring modules to the wire grid and the resulting furniture spring assembly. The wire grid includes a plurality of straight, coplanar wires arranged in a first sub-plurality of parallel spring placement wires and a second sub-plurality of parallel spring seating wires extending in generally perpendicular relation to the spring placement wires, the spring seating wires being arranged in a plurality of seating wire pairs with the spring seating wires of each seating wire pair disposed at a first predetermined spacing from one another and with each seating wire pair disposed at a second greater predetermined spacing from each seating wire pair adjacent thereto. The unitarily-formed wire spring module comprises a generally coplanar top and a pair of legs extending from opposite ends of the top and in spaced relation to one another. The top is comprised of a pair of generally J-shaped end segments arranged in spaced reverse mirror image relation to one another and connected together by an intermediate straight segment. The intersection points between each J-shaped segment and the intermediate segment form an angular relation therebetween. The wire spring module can be connected to the wire grid in two alternate positions. A furniture spring assembly comprising the disclosed wire grid with wire spring modules connected in either of the two alternate positions is also disclosed.

REFERENCES:
patent: 4398705 (1983-08-01), Mizelle
patent: 4666136 (1987-05-01), Hagemeister
patent: 4760616 (1988-08-01), Hiatt et al.
patent: 4790038 (1988-12-01), Ikeda
patent: 4896386 (1990-01-01), Ogle et al.
patent: 4921228 (1990-05-01), Lowe
patent: 5184802 (1993-02-01), Galumbeck
patent: 5188344 (1993-02-01), Dabney
patent: 5346190 (1994-09-01), Dabney
patent: 5438716 (1995-08-01), Dabney
patent: 5497979 (1996-03-01), Schulz, Jr. et al.
patent: 5548857 (1996-08-01), Richmond

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