Asymmetric spring components and innersprings for one-sided...

A - Human Necessities – 47 – C

Patent

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A47C 23/04 (2006.01)

Patent

CA 2578144

Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattresses. The coil springs are asymmetric about an axis of the coil or a horizontal reference plane, or both, and with ends of the coil springs shpaed and sized differently to accommodate different mounting and support arrangements. Asymmetric coil springs can be contained in individual pockets or strings of pockets and arranged together to form an asymmetric pocketed coil innerspring for use in a one-sided mattress.

L'invention concerne des éléments à ressorts asymétriques pour matelas et autres structures de support souples, qui se présentent sous la forme de ressorts à bobines hélicoïdales dont les spires du corps des bobines présentent divers angles de pas et rayons et une seule extrémité de support utilisable dans des ressorts unilatéraux destinés à des matelas une face. Les ressorts à bobines sont asymétriques autour d'un axe de la bobine et/ou d'un plan de référence horizontal, et les extrémités des ressorts à bobines sont formées et dimensionnées différemment pour autoriser différentes configurations de montage et de support. Des ressorts à bobines asymétriques peuvent être logés dans des pochettes individuelles ou des chapelets de pochettes et arrangés ensemble pour former un ressort à bobine asymétrique mis en pochette utilisable dans un matelas une face.

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