Innerspring for mattresses and upholstered furniture

Details Innerspring for mattresses and upholstered furniture Innerspring for mattresses and upholstered furniture

A - Human Necessities

47

C

360/12

A47C 23/04 (2006.01) A47C 23/043 (2006.01)

Patent

CA 1201826

ABSTRACT OF THE DISCLOSURE An innerspring is assembled from coil springs 1 each having final upper and lower turns 2a, 2b lying in parallel planes. Each final turn has a flattened area 5a or 5b defined by a straight running length of wire 6a or 6b. The opposite side of each final turn is circularly shaped. The two flattened areas of each spring are co-planar. Such coil springs may be simply and quickly produced by automatic machines, and enable the construction of innersprings with increased edge firmness and squeak suppression.

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