Innerspring construction

Details Innerspring construction Innerspring construction

1977-04-20

1978-08-29

Nunberg, Casmir A.

Beds

Bedsteads

Having bottom

5269, A47C 2304

Patent

active

041093305

ABSTRACT:
An improved mattress innerspring unit is provided which includes a plurality of rows of coil springs and a plurality of cross helicals which extend transversely of the rows of coil springs, lacing together adjacent terminal convolutions of the coil springs, wherein a welding means is provided to eliminate the tendency of the cross helicals to spin-out of the unit. Also provided is a method of constructing an innerspring unit which includes welding an end revolution of a cross helical to another component of the unit or to an adjacent cross helical revolution.

REFERENCES:
patent: 2254106 (1941-08-01), Krakauer
patent: 2644174 (1953-07-01), Hood
patent: 3264660 (1966-08-01), Goldmeyer et al.
patent: 3653082 (1972-04-01), Davis
patent: 3864765 (1975-02-01), Anonauer

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