Patent number: 5255452) i7 s4 @$ V! z二、专利摘要; {$ W4 ?# f- V: Z# h' G2 j+ K
Filing date: Jun 29, 1992
Issue date: Oct 26, 19936 H) a2 V2 e3 @: i
Inventors: Michael J. Jackson, Michael L. Bush, Dennis Tompkins
Assignees: Triumph International, Inc.7 ^+ o' Q9 e. C! Q3 W9 A0 V
Primary Examiner: M. Denise Patterson1 k7 G* ~- [( a" t F# R7 r- }
U.S. Classification: 36113; 36/1; 36136; 36/80; 36132+ F# d" w% i; ~8 C0 w9 r
International Classification: A43B 500; A43B 300" f+ w$ o L8 q$ I+ T
A system for allowing a shoe wearer to lean forwardly beyond his center of gravity by virtue of wearing a specially designed pair of shoes which will engage with a hitch member movably projectable through a stage surface. The shoes have a specially designed heel slot which can be detachably engaged with the hitch member by simply sliding the shoe wearer’s foot forward, thereby engaging with the hitch member.可以把上面的摘要简短表述为:
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