发明名称 Spring overshoe
摘要 A spring shoe that includes a foot engaging portion, an upper platform, an intermediate platform, a first specifically configured spring, a lower platform, and a second specifically configured spring. The foot engaging portion engages the foot of the user. The upper platform is attached to the foot engaging portion. The intermediate platform is spaced vertically below the upper platform and is attached thereto by the first specifically configured spring. The lower platform is spaced vertically below the intermediate platform and is attached thereto by the second specifically configured spring. Each of the first and second specifically configured springs are a one-piece continuous wire formed into a pair of spaced-apart conically-shaped helical coils connected to each other by an integrally formed torsion bar.
申请公布号 US5845419(A) 申请公布日期 1998.12.08
申请号 US19970936092 申请日期 1997.09.23
申请人 BEGG, JOHN 发明人 BEGG, JOHN
分类号 A43B13/18;A63B25/10;(IPC1-7):A43B3/10;A43B21/32 主分类号 A43B13/18
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