Variable coil density anisotropic innersprings

Details Variable coil density anisotropic innersprings Variable coil density anisotropic innersprings

A - Human Necessities

47

C

A47C 27/07 (2006.01) A47C 7/34 (2006.01) A47C 7/35 (2006.01) A47C 23/04 (2006.01) A47C 23/053 (2006.01)

Patent

CA 2714397

Variable coil density anisotropic innersprings in which the placement and density of the coils or spring units varies between one or more regions or areas of the innerspring to provide innersprings with different average spring rates in different zones or regions of the innerspring. Various anisotropic arrangements of coils in innersprings are disclosed.

L'invention porte sur des ressorts intérieurs anisotropes à densité de spires variable, dans lesquels la mise en place et la densité des spires ou des unités de ressort varient entre une ou plusieurs régions ou zones du ressort intérieur pour fournir des ressorts intérieurs ayant différents facteurs de rappel moyens dans différentes zones ou régions du ressort intérieur. L'invention porte également sur divers agencements anisotropes de spires dans des ressorts intérieurs.

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