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Article of footwear with a motion control device

  • US 6,457,262 B1
  • Filed: 03/16/2000
  • Issued: 10/01/2002
  • Est. Priority Date: 03/16/2000
  • Status: Expired due to Term
First Claim
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1. An article of footwear for controlling side-to-side rotational motion of a foot of a wearer, said article of footwear comprising:

  • an upper for receiving the foot;

    a sole attached to said upper, said sole having a lateral side and a medial side;

    at least a first bladder chamber and a second bladder chamber located side-by-side in said sole; and

    a valve system for placing said first bladder chamber and said second bladder chamber in two-directional fluid communication, said valve system including a first valve structured to transfer a fluid from said first bladder chamber to said second bladder chamber only when a difference in pressure between said first bladder chamber and said second bladder chamber exceeds a first predetermined pressure differential, said valve system thereby operating to transfer said fluid to one of said sides in response to a compression of said sole, and said valve system thereby providing increased medial or lateral support, to respectively limit pronation or supination of the foot.

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