发明名称 Strength Training Devices for Skaters
摘要 The present invention relates to methods and devices for conditioning and the development of strength, particularly for skaters, while maintaining proper skating mechanics. In one aspect, the present invention provides a strength training device for skaters. The device includes a hollow receptacle defining a first chamber in fluid communication with a first opening for placement and removal of fluid within the first chamber. The device further includes a friction surface disposed proximate a bottom member of the hollow receptacle. The device also includes an engagement feature for releasable engagement with a controller suitable for causing movement of the device, wherein during movement the friction surface generates a reactionary counter-force.
申请公布号 US2011190101(A1) 申请公布日期 2011.08.04
申请号 US201113017427 申请日期 2011.01.31
申请人 SCHLAPPI KIRK 发明人 SCHLAPPI KIRK
分类号 A63B21/012 主分类号 A63B21/012
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