Torsion spring assembly

Details Torsion spring assembly Torsion spring assembly

1996-04-26

1997-04-01

Oberleitner, Robert J.

Spring devices

Spring panel

Spring means spacing loading surface vertically from plane...

F16F 300

Patent

active

056158696

ABSTRACT:
A torsion spring assembly for furniture seating and the like utilizes an intermediate spring of the coil or folded form type for durability and comfort purposes. Parallel lateral members are attached to the top of the intermediate springs which connect the intermediate springs and torsion springs for additional support and durability. A top stiffening frame can also be utilized to better unify the assembly components.

REFERENCES:
patent: 1815510 (1931-07-01), Hotter
patent: 1899726 (1933-02-01), Rusnak
patent: 2013573 (1935-09-01), McNally
patent: 2042763 (1936-06-01), Bernstein
patent: 2055213 (1936-09-01), Bernstein
patent: 2849057 (1958-08-01), Neely
patent: 4398705 (1983-08-01), Mizelle
patent: 4819920 (1989-04-01), Barber
patent: 4886250 (1989-12-01), Lucas
patent: 4903949 (1990-02-01), Schultz
patent: 4928334 (1990-05-01), Kita
patent: 5165667 (1992-11-01), Dabney

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