Sole Structure for Footwear
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
Jan 28, 2014
filing date -
Jan 30, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is directed to transmitting ground surface information to a foot sole of a shoe wearer accurately. Sole structure 1 includes a sole body 2 having a sole bottom surface 20 on a ground surface side and a sole top surface 21 on the opposite side thereof, a plurality of first protrusions 3 formed of elastic member and disposed on the sole bottom surface 20, and a plurality of second protrusions 4 formed of elastic member, disposed on the sole top surface 21 and located at positions corresponding respectively to positions of the first protrusions 3. A sectional shape of the first protrusion 3 is formed so that it gradually becomes smaller as it leaves the sole bottom surface 20. A distal end portion of the first protrusion 3 is formed of an arcuate shaped surface that protrudes downwardly. A sectional shape of the second protrusion 4 is formed so that it gradually becomes smaller as it leaves the sole top surface 21. A distal end portion of the second protrusion 4 is formed of an arcuate shaped surface that protrudes upwardly. An irregular shape of the foot sole contact surface of foot wear is formed by an irregular shape of the plurality of the second protrusions 4 on the sole top surface 21.
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