Patent ID: 7774955
Filing Date: 2010-08-17
Classification: A43B,B29D

Abstract:
1. An article of footwear having an upper and a sole structure secured to the upper, the sole structure incorporating a support element comprising: a sealed fluid-filled chamber formed of a polymer material and defining a first surface having an interior side in contact with the fluid within the chamber and an exterior side not contacting the fluid within the chamber, an opposite second surface having an interior side in contact with the fluid within the chamber and an exterior side not contacting the fluid within the chamber, and a sidewall extending between the first surface and the second surface; a first insert secured to the exterior side of the first surface and at least partially recessed into the polymer material of the chamber; and a second insert secured to the exterior side of the second surface, wherein the sole structure defines a void positioned in a heel region of the article of footwear, and the support element and three additional support elements are located within the void and extend between upper and lower surfaces of the void.