Beds – Bedclothing – And means to facilitate changing thereof
Patent
1980-10-20
1983-01-25
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5263, 5309, 5478, 267 95, 267105, A47C 2304, A47C 2305
Patent
active
043695345
ABSTRACT:
A mattress spring assembly is disclosed having increased firmness in a preselected center area of the mattress. This increased firmness is achieved through use of a grid structure attached to the opposite sides of the mattress. This grid structure comprises plastic straps extending diametrically across the mattress in the center third area and overlaid by a preformed wire grid. The plastic straps and wire grid are attached to the preassembled spring core by conventional connectors such as metal clips and/or hog rings.
REFERENCES:
patent: 1717949 (1929-06-01), Stubinz
patent: 2013573 (1935-09-01), McNally
patent: 2131071 (1938-09-01), Raduns
patent: 2247543 (1941-07-01), Bernstein
patent: 2311256 (1943-02-01), Sark
patent: 2962088 (1960-11-01), Gleason
patent: 4122566 (1978-10-01), Yates
patent: 4180877 (1980-01-01), Higgins
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