发明名称 Board sport training device and method of use
摘要 A board sport training device comprises a base configured for attachment to a platform such that the base is disposed beneath the platform. The base comprises a plurality of separate base portions, each base portion comprising at least two bowl-shaped pivot areas and each base portion having sufficient flexibility that each base portion conforms to a curved bottom surface of the platform. A plurality of the pivot areas are positioned along a longitudinal axis of the platform and separated by a distance from the platform.
申请公布号 US2009105057(A1) 申请公布日期 2009.04.23
申请号 US20070975861 申请日期 2007.10.22
申请人 CARLSON MARK A;JOHNSTON ANDREW LEWIS;HINES CRAIG 发明人 CARLSON MARK A.;JOHNSTON ANDREW LEWIS;HINES CRAIG
分类号 A63B22/16 主分类号 A63B22/16
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