NIKE, Inc.
Article of footwear with a pulley system

Abstract:

A tensioning system for use with an article of footwear includes a pulley assembly. The pulley assembly may include a first disc and a second disc connected by a central shaft. A tensioning element can be engaged around the central shaft. A ring element can be used to prevent the tensioning element from disengaging the pulley when there is slack in the tensioning element. The tensioning element may provide support to various regions of the article of footwear or may be used to close the throat of the article of footwear.