FOOTWEAR SOLE STRUCTURE WITH NONLINEAR BENDING STIFFNESS
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United States of America
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Issued Date -
Jan 9, 2020
app pub date -
Sep 18, 2019
filing date -
Sep 18, 2019
priority date (Note) -
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Abstract
A sole structure for an article of footwear comprises a sole plate that has a forefoot region, and a stiffness enhancing assembly disposed in the forefoot region of the sole plate. The stiffness enhancing assembly further comprises a compression member disposed at a foot-facing side of the sole plate, and a tensile member disposed at an opposite side of the sole plate from the compression member. The tensile member is spaced apart from the compression member by a first distance in a first portion of a flexion range during dorsiflexion of the sole structure, and interferes with the compression member during a second portion of the flexion range that includes flex angles greater than in the first portion of the flexion range.
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