Shoe insole

  • US 8,776,399 B2
  • Filed: 01/24/2012
  • Issued: 07/15/2014
  • Est. Priority Date: 01/24/2012
  • Status: Active Grant
First Claim
Patent Images

1. A shoe insole, comprising:

  • a soft elastomer formed in a shape of an inner bottom surface of a shoe, the soft elastomer comprising a front metatarsal section, a mid foot section and a rear heel section, the rear heel section having a recessed area, an inner arch concave surface and an outer arch concave surface being respectively defined in two opposite sides of the recessed area, a radius of the inner arch concave surface being 7.5 mm to 9 mm, and a radius of the outer arch concave surface being 8.5 mm to 10 mm; and

    a hard elastomer combined with the mid foot section and the rear heel section of the soft elastomer, a rear heel section of the hard elastomer having a through-hole, a portion of material of the soft elastomer being filled in the through-hole, an inner arch concave surface and an outer arch concave surface being respectively defined in two opposite outer sides of the rear heel section of the hard elastomer, a radius of the inner arch concave surface being 13.5 mm to 15.5 mm, a radius of the outer arch concave surface being 13 mm to 15 mm.

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