Seating spring assembly and method

Details Seating spring assembly and method Seating spring assembly and method

1981-10-09

1983-11-15

Butler, Douglas C.

Spring devices

Spring panel

Panel secured peripherally to supporting frame

297452, 29460, A47C 730

Patent

active

044151470

ABSTRACT:
The seating spring assembly includes a series of elongate sinuous spring wires with each of the wires touching each of the adjacent spring wires at frequent intervals along their length. Frangible welds, in the form of spot welding, are provided at spaced apart touching locations along the lengths of the wires to temporarily secure the adjacent spring wires together. A sleevelike plastic coating surrounds the wires and the frangible welds are broken when the seat is occupied by a person so that the plastic coating then constitutes the sole element holding the spring wires together and the full flexibility and comfort of the seating spring assembly is retained.

REFERENCES:
patent: 2058165 (1936-10-01), McCoy
patent: 2094041 (1937-09-01), Lee et al.
patent: 2803293 (1957-08-01), Rowland
patent: 3252263 (1966-05-01), Korf
patent: 3487481 (1970-01-01), Richardson et al.
patent: 3707033 (1972-12-01), Knott
patent: 3709559 (1973-01-01), Rowland
patent: 3720568 (1973-03-01), Rowland
patent: 3767261 (1973-10-01), Rowland
patent: 3774967 (1973-11-01), Rowland
patent: 3843477 (1974-10-01), Rowland
patent: 3886646 (1975-06-01), Broderson
patent: 4286898 (1981-09-01), Stafford

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