Metal working – Upholstered article making – Method
Patent
1979-06-14
1981-01-13
Moon, Charlie T.
Metal working
Upholstered article making
Method
29436, 29458, 29526R, 5256, 5267, 5478, B68G 700
Patent
active
042440890
ABSTRACT:
A mattress box spring and method of assembly comprising a plurality of substantially conical coil springs rigidly fastened at the spring ends of lesser diameter to a support frame such that the spring end coils of greater diameter lie in a substantially common plane, a wire mesh coated with elastomeric material overlying the end coils in the common plane with the spring end coils being unattached or free-floating with respect to the mesh and with respect to each other, and a cloth cover or pad disposed over the mesh and having a periphery attached to the frame to hold the assembly together. Preferably, the diameter of each spring end coil lying in the common plane is greater than the corresponding spring height. The coating on the wire mesh, which preferably is of latex material, provides enhanced frictional contact between the mesh and springs, and also deadens rattling between the opposing spring and mesh surfaces.
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patent: 3719963 (1973-03-01), Bullock, Jr.
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