Shoe sole including a peripherally-disposed cushioning bladder

Details Shoe sole including a peripherally-disposed cushioning bladder Shoe sole including a peripherally-disposed cushioning bladder

1994-03-30

1997-01-21

Dayoan, B.

Boots, shoes, and leggings

Soles

Cushion

36153, 36 35B, A43B 1320, A43B 2126, A43B 714

Patent

active

055950043

ABSTRACT:
An athletic shoe including an upper and a sole. The sole includes a cushioning bladder including a sealed, fluid-filled tube disposed about the perimeter of the shoe. In one embodiment, the bladder includes lateral and medial portions extending about the heel and forwardly towards the forefoot to define a central region occupying a substantial portion of the heel and forefoot of the shoe. No portion of the tube extends within the central region, which may be occupied by ambient air or by a second bladder or chamber which is not in fluid communication with the tube. In an alternative embodiment, the bladder includes a tube having lateral, medial and transverse portions, with the transverse portion extending between the medial and lateral portions at the instep area of the shoe, to define a central forefoot region. In a further alternative embodiment, both a central forefoot and a central heel area may be defined. The shoe may further include a substantially rigid footframe disposed directly above the bladder and spanning the lateral and medial sides.

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Nike Spring Footwear Brochure, 1993 "Air Max" Shoes.
Adidas Advertisement.

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