Shock absorbing cushion
AssigneeRobert C. Bogert
InventorMarion Franklin Rudy
Life of this patent
Estimating the term…
Abstract
A shock absorbing cushioning device suitable for products, objects and footwear which is comprised of a compressible insert encapsulated within an elastomeric barrier member. The elastomeric barrier member is secured to the compressible insert by a plurality of tensile members having a first portion embedded in the elastomeric material and a second portion embedded in the compressible insert. The elastomeric member is also filled with a fluid, preferably a compressible gas.
Claims17
A cushion for an article of footwear comprised of a flexible foam core shaped to protect at least a portion of a footsole, said foam core surrounded by an envelope comprised of a material which is impervious to at least a selected fluid, a plurality of filaments having a first portion secured to said fluid impervious material and a second portion secured to said foam core, said selected fluid being contained within said envelope.
An article of footwear comprising an envelope to house a foot and a sole portion comprised of an elastomeric material that is substantially impervious to a selected non-polar gas, and is permeable to air in the shape of a cushion, said cushion containing a compressible insert and said selected non-polar gas, and a plurality of filaments connecting said elastomeric material and said compressible insert.
Dependencies are inferred from the claim text.