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Shoe sole

  • US 4,837,949 A
  • Filed: 12/23/1987
  • Issued: 06/13/1989
  • Est. Priority Date: 12/23/1986
  • Status: Expired due to Term
First Claim
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1. Walking sole for a sport shoe, having in at least one of its lateral edges a series of spaced, substantially transverse grooves terminated in an edge of said sole and extending toward a central part of said sole, said grooves being filled with a material having greater elasticity than the material making up the sole and forming individual elastic filling pieces embedded in respective said grooves, grooves being provided in a front portion of said at least one of said lateral edges (1a, 1b) which extends the length of said front portion of said sole (1) which gives support to the front part of the foot of the wearer of the shoe, and wherein said grooves delimit the boundaries of at least one flexible tongue (7) transversely around an axis of flexion (X) joining internal ends of said grooves (3).

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