发明名称 Spring cushioned shoe
摘要 A sole assembly for an article of footwear comprises a midsole, a sole having a heel region, and a first wave spring disposed within a vacuity located within the heel region. The wave spring includes a top surface and a bottom surface. A plate, resting upon the top surface of the wave spring, is unsecured to the midsole and sized to permit movement within the vacuity along with the wave spring responsive to a rolling footstrike.
申请公布号 US7219447(B2) 申请公布日期 2007.05.22
申请号 US20050047445 申请日期 2005.01.31
申请人 LEVERT FRANCIS E;KRAFSUR DAVID S 发明人 LEVERT FRANCIS E.;KRAFSUR DAVID S.
分类号 A43B13/28;A43B13/18 主分类号 A43B13/28
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