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Sole for athletic shoe

  • US 4,574,498 A
  • Filed: 02/01/1983
  • Issued: 03/11/1986
  • Est. Priority Date: 02/01/1983
  • Status: Expired due to Fees
First Claim
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1. Footwear including an upper, a sole, and a plurality of cleats mounted on the sole and extending downwardly from the sole adapting the footwear to field sports, and wherein the improvement comprises a sole including a base layer and an outer layer, said outer layer providing a surface for mounting each cleat and comprised of two separate sections, one extending from the heel portion along a lateral and medial side of the arch and the other extending from the toe portion of the sole to an area of said sole of reduced thickness, said area of reduced thickness being disposed between opposing regions of said sections and extending to the lateral and medial sides to follow generally an off-center alignment of the heads of the metatarsal bones in the front of the ankle and arch of the foot, thereby imparting to said sole along said off-center alignment a capability of flex with less resistance, a pair of spines, each spine extending between a cleat in said heel portion and a cleat in the forefoot at the ball portion, along one of the medial and lateral sides of the sole to introduce a flex and torsional rigidity to the longitudinal arch and full instep of the foot, and a control device within a region extending from the heel portion upwardly of the sole and forwardly toward the toe portion along the lateral and medial sides of the sole, said control device formed as a wall having a height throughout its length sufficient to confine the heel, provide support and rigidity of the foot in a neutral plane throughout a normal range of motion of the foot and provide a surface at least for partial securement of said upper to said sole.

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