Patent ID: 7243443
Filing Date: 2007-07-17
Classification: A43B

Abstract:
1. A sole component for forming a portion of an article of footwear, the sole component comprising: a midsole formed from a polymer foam material, the midsole defining a void; and a sealed chamber at least partially positioned within the void, the chamber having a first surface, an opposite second surface, and a sidewall surface extending between a perimeter of the first surface and a perimeter of the second surface, the first surface having a pair of rounded end areas, one of the rounded end areas being larger than another of the rounded end areas, and the first surface having a greater area than the second surface such that the sidewall surface tapers between the first surface and the second surface entirely around the chamber, the second surface having at least fifty percent lesser area than the first surface, the chamber being devoid of internal connections that extend between the first surface and the second surface.