Spring devices – Spring panel – Spring means spacing loading surface vertically from plane...
Patent
1991-05-24
1993-02-23
Oberleitner, Robert J.
Spring devices
Spring panel
Spring means spacing loading surface vertically from plane...
5253, 5255, A47C 2300
Patent
active
051883430
ABSTRACT:
The present invention relates to a spring assembly for the seat portions or areas of upholstered furniture. The spring assembly provides a frame and a series of different spring types supported in a generally parallel arrangement within the frame. The spring assembly inlcudes a plurality of upper spaced, elongate sinuous springs extending between and above a pair of opposing front and back members. Located in the central region of the assembly is a rectangular quad coil spring mounted on two upper and lower wire stringers. The spring assembly is provided with a pair of Z-shaped sinuous springs, one located on each lateral side of the quad coil. The Z-shaped springs are mounted on lower elongate sinuous springs extending between the front and back members. The upper portions of the Z-shaped sinuous springs and the upper elongated sinuous springs are secured to the upper and lower stringers for stability and to prevent lateral movement of same. The Z-shaped springs provide for local support independent of the central quad coil. The spring assembly provides a differential response across the top surface thereof in response to a user sitting thereon. When several such assemblies are mounted adjacent one another, the resulting system provides for relative independent spring support between adjacent users.
REFERENCES:
patent: 2234253 (1941-03-01), Hopkes
patent: 2280912 (1942-04-01), Hopkes
patent: 2305530 (1942-12-01), Hopkes
patent: 2439789 (1948-04-01), Bank
patent: 2675065 (1954-04-01), Keller
patent: 2787317 (1957-04-01), Vogel
patent: 3248745 (1966-05-01), Gunlock
patent: 3560049 (1971-02-01), Burton
patent: 4805883 (1989-02-01), Kitchen
patent: 4819920 (1989-04-01), Barber
patent: 4886250 (1989-12-01), Lucas
Oberleitner Robert J.
Schwartz Chris
Sklar-Peppler Furniture Corporation
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