Patent ID: 9265302
Filing Date: 2016-02-23
CPC Classification: A43B,B32B

Claim Text:
1. An article of footwear having an upper and a sole structure secured to the upper, at least one of the upper and the sole structure incorporating a chamber comprising: an outer barrier formed from a polymer material that defines an interior cavity, the barrier having (a) a first portion that forms a first surface of the chamber and (b) a second portion that forms an opposite second surface of the chamber; and a tether element located within the interior cavity and including a first sheet and a second sheet, the first sheet being secured to the first portion of the barrier and including a first tab portion having an integral, one-piece construction with the first sheet, the second sheet being secured to the second portion of the barrier and including a second tab portion having an integral, one-piece construction with the second sheet, the first tab portion extending away from the first sheet toward the second sheet and the second tab portion extending away from the second sheet toward the first sheet, the first tab portion and the second tab portion being joined together between the first sheet and the second sheet and placed under tension to restrict a shape of the chamber.