Athletic shoe with improved sole

CAFC
  • US 6,604,300 B2
  • Filed: 12/04/2001
  • Issued: 08/12/2003
  • Est. Priority Date: 08/17/1993
  • Status: Expired due to Fees
First Claim
Patent Images

1. A shoe comprising:

  • an upper having a heel region;

    a rear sole having a rearward portion and an opposite forward portion connected below the heel region, the rear sole having a bottom surface at least a portion of which is ground engaging, the bottom surface including at least one substantially planar portion and at least three portions non-planar with the at least one substantially planar portion, the non-planar portions being positioned proximate the perimeter of the rear sole and separated from each other by other portions of the bottom surface, each of the non-planar portions being inclined upwardly from another portion of the bottom surface in a direction toward the perimeter of the rear sole, one of the at least three non-planar portions being proximate the rearward portion of the rear sole, and at least two of the at least three non-planar portions being proximate the forward portion of the rear sole and being oriented so that at least one edge of one of the at least two non-planar portions proximate the forward portion of the rear sole is proximate a medial side of the rear sole and at least one edge of the other of the at least two non-planar portions proximate the forward portion of the rear sole is proximate a lateral side of the rear sole;

    a flexible plate having upper and lower surfaces and supported between at least a portion of the rear sole and at least a portion of the heel region of the upper, peripheral portions of the plate being restrained from movement relative to an interior portion of the plate in a direction substantially perpendicular to a major axis of the shoe so that the interior portion of the plate is capable of being deflected relative to the peripheral portions in a direction substantially perpendicular to the major axis of the shoe, at least a portion of the upper surface of the plate being convex, at least a portion of the lower surface of the plate being concave, the interior portion of the plate being positioned over a void; and

    an opening in the bottom surface of the rear sole located beneath the interior portion of the plate, the opening being in communication with the void to expose the interior portion of the plate from outside of the shoe.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×