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Generated January 22, 2018

Support and cushioning system for an article of footwear

Patent Number: 6,845,573

Patent Information

Abstract
A cushioning member for an article of footwear. The cushioning member is a flexible bladder having a fluidly interconnected heel chamber and forefoot chamber. The bladder is disposed above the sole and beneath the wearer's foot to provided added cushioning to the wearer. The bladder contains air at slightly above ambient pressure and can be formed by thermoforming or by welding two sheets of resilient, flexible material together. A connecting passage fluidly connects the heel chamber and the forefoot chamber. The connecting passage is narrow to control the flow of air between the two chambers.
Patent Number: 6,845,573
Issue Date: 2005-01-25

Primary Category

Executive Summary

Summary

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Patent Grant Time

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Patent Claims

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Research and Innovation Indicators
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Proximity to Basic Research

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Proximity to Basic Research

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Citations

Patents cited by this patent

Patent Title
6,568,102 Shoe having shock-absorber element in sole
6,516,540 Ground contacting systems having 3D deformation elements for use in footwear
6,266,897 Ground-contacting systems having 3D deformation elements for use in footwear
6,158,149 Article of footwear having multiple fluid containing members
5,896,681 Sole pad with shock-absorbing and massaging effect
5,826,349 Venilated shoe system
5,794,361 Footwear with a sole provided with a damper device
5,784,807 Fluid filled support system for footwear
5,771,606 Support and cushioning system for an article of footwear
5,755,001 Complex-contoured tensile bladder and method of making same
5,706,589 Energy managing shoe sole construction

Patents that cite this patent

Patent Title
9,320,320 Exercise shoe
9,289,030 Article of footwear having a sole structure with a framework-chamber arrangement
9,271,538 Microprocessor control of magnetorheological liquid in footwear with bladders and internal flexibility sipes
9,247,784 Wearable exercise apparatuses
9,220,316 Inner sole including an air bag
9,179,733 Article of footwear having an elevated plate sole structure
9,144,266 Article of footwear having an adjustable ride
9,107,475 Microprocessor control of bladders in footwear soles with internal flexibility sipes
9,066,557 Article of footwear having a sole structure with a framework-chamber arrangement
9,066,556 Article of footwear having a sole structure with a framework-chamber arrangement
9,055,784 Article of footwear having a sole structure incorporating a plate and chamber
8,978,273 Article of footwear with a sole structure having fluid-filled support elements
8,959,804 Footwear sole sections including bladders with internal flexibility sipes therebetween and an attachment between sipe surfaces
8,925,117 Clothing and apparel with internal flexibility sipes and at least one attachment between surfaces defining a sipe
8,919,013 Article of footwear having an adjustable ride
8,873,914 Footwear sole sections including bladders with internal flexibility sipes therebetween and an attachment between sipe surfaces
8,782,924 Article of footwear having a sole structure with a framework-chamber arrangement
8,732,868 Helmet and/or a helmet liner with at least one internal flexibility sipe with an attachment to control and absorb the impact of torsional or shear forces
8,732,230 Computers and microchips with a side protected by an internal hardware firewall and an unprotected side connected to a network
8,713,817 Training Footwear
8,670,246 Computers including an undiced semiconductor wafer with Faraday Cages and internal flexibility sipes
8,617,033 Exercise apparatuses and methods of using the same
8,567,095 Footwear or orthotic inserts with inner and outer bladders separated by an internal sipe including a media
8,561,323 Footwear devices with an outer bladder and a foamed plastic internal structure separated by an internal flexibility sipe
8,494,324 Wire cable for electronic devices, including a core surrounded by two layers configured to slide relative to each other
8,307,569 Training footwear
8,291,618 Devices with internal flexibility sipes, including siped chambers for footwear
8,256,147 Devices with internal flexibility sipes, including siped chambers for footwear
8,205,356 Devices with internal flexibility sipes, including siped chambers for footwear
8,141,276 Devices with an internal flexibility slit, including for footwear
7,930,839 Inflatable support system for an article of footwear
7,849,611 Shoe with system for preventing or limiting ankle sprains
7,600,331 Inflatable support system for an article of footwear
7,437,835 Cushioning sole for an article of footwear
7,409,779 Fluid system having multiple pump chambers
7,383,648 Inflatable support system for an article of footwear
7,353,625 Resilient cushioning device for the heel portion of a sole

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