Patent ID: 7757409
Filing Date: 2010-07-20
Classification: A43B

Abstract:
1. An article of footwear, comprising: a sole; and a cushioning member disposed in said sole, said cushioning member comprising: a substantially symmetrical u-shaped heel chamber, said heel chamber having an anterior wall, a posterior wall, and medial and lateral sidewalls disposed between the anterior wall and the posterior wall; a discrete forefoot chamber, wherein said forefoot chamber comprises an anterior wall, a posterior wall, and medial and lateral forefoot sidewalls disposed between the forefoot anterior wall and the forefoot posterior wall, and wherein said sole is formed around said cushioning member such that at least a portion of the medial forefoot sidewall and the lateral forefoot sidewall are visible, and wherein a first weld line is formed in said forefoot chamber along the medial forefoot sidewall and at least a portion of the first weld line is spaced from the medial forefoot sidewall and a second weld line is formed in said forefoot chamber along the lateral forefoot sidewall and at least a portion of the second weld line is spaced from the lateral forefoot sidewall; and a passage connecting said heel chamber and said forefoot chamber, wherein said sole is formed around said cushioning member such that at least a portion of the medial heel sidewall and the lateral heel sidewall are visible.