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US 5,295,314 AGranted
Shoe with sole including hollow space inflatable through removable bladder
OwnerArmenak Moumdjianinventor
Life of this patent
Estimating the term…
Abstract
A shoe formed by an upper and a flat sole of a type having an air chamber made up of compartments, capable of being inflated by means of valves, the flat sole of which is provided with a raised perimetral edge. The sole receives the air chamber and is connected with a rigid countersole and upper by means of stitching, gluing or the like, there being also included in such flat sole a rigid layer. This combination provides a flexible cavity capable of allowing flat and parallel movement of the arch support of the shoe in relation to the outer sole.
Claims6
A shoe comprising:
- a flat sole formed with a raised perimetral edge having at least one opening;
- a rigid layer in said sole;
- a compartmented air chamber received in said sole above said rigid layer and having a valve extending through said opening and allowing variable inflation of said air chamber;
- a rigid countersole connected to said edge and disposed above said air chamber, said rigid countersole comprising a front part, a rear part, a transverse hinge articulating said front part and said rear part, and a raised edge extending all around said countersole but interrupted at said transverse hinge and being connected to said perimetral edge;
- and
- an upper received within said raised edges and secured thereto.
3 more elements
Dependencies are inferred from the claim text.