Adjustable Bladder System For An Article Of Footwear

摘要

An adjustable bladder system for an article of footwear is disclosed. The bladder system includes an outer bladder that may be inflated using an external pump. In addition, one or more tensile members may be disposed internally to the outer bladder to provide enhanced support. A valve member may also be disposed internally to the outer bladder. The valve member can include a contoured edge to provide a contoured shape for the outer bladder.

主权项

1. A bladder system for an article of footwear, the article of footwear having a forward forefoot portion, a rearward heel portion, and a midfoot portion in between the forward forefoot portion and the rearward heel portion, the bladder system comprising:
an outer bladder bounding an interior cavity; wherein the outer bladder has a forward end and a rearward end; at least one support structure disposed inside the interior cavity; a valve member disposed inside the interior cavity, the valve member providing fluid communication between the interior cavity and an exterior of the outer bladder; wherein the valve member includes:
a first surface that is forwardly oriented toward the forward end of the outer bladder and that is at a decline toward the forward end of the outer bladder,a second surface that is rearwardly oriented toward the rearward end of the outer bladder and that faces a sidewall of the at least one support structure,a third surface that is generally perpendicular to the first surface and the second surface and is on a medial side of the valve member,a fourth surface that is opposite to the third surface, is generally perpendicular to the first surface and the second surface, and is on a lateral side of the valve member, anda fifth surface that is a lower surface that faces in a ground surface direction; and wherein the internal pressure of the outer bladder can be adjusted.