Bed spring unit and method

Details Bed spring unit and method Bed spring unit and method

1977-02-22

1978-09-19

Nunberg, Casmir A.

Beds

Bedsteads

Having bottom

5259B, 52665, E04C 0242, A47C 2304

Patent

active

041142128

ABSTRACT:
A preformed grid of perpendicularly intersecting wires equally or unequally spaced apart and welded together or part of such grid such as a pair of parallel wires and a binding cross wire, are tightly joined together as well as to the top turn or ring of a coil spring by an inverted U-shaped wire clip detached and fed preferably automatically from a cemented group of such clips much like conventional staples. An upper grid wire is arranged to span the ring diametrically while a pair of lower wires parallel to each other are arranged as respective opposed chords of the ring each spaced inwardly at its weld from the adjacent perimeter of the ring just enough to permit the insertion of a clip leg or legs at an inward and downward slant into the space between the perimeter of the ring and the chord portion of the other wire while straddling the spanning wire. The legs are then bent outwardly and bent tightly around the ring so far as is necessary to press one or both into a wrapped position around the ring and to carry the wires down into pressed contact with the top of the ring thus making an indent in the chord. A second similar clip similarly connects the other chord and the spanning chord with the ring turn at the opposite point of the ring.

REFERENCES:
patent: 1742917 (1930-01-01), Landell
patent: 3672738 (1972-06-01), Buttriss
patent: 3748808 (1973-07-01), Sheppard et al.
patent: 3777322 (1973-12-01), Lavkin

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