发明名称 Tennis training device and method
摘要 A tennis training device including at least one racket frame and a member for holding a player's hand in a fingers-extended position at a location fixed adjacent the center of the racket frame and parallel thereto. A tennis training method, which can use the foregoing tennis training device, is also described which involve inserting a player's hand into a training device that holds the hand in a fingers-extended position at a location fixed adjacent the center of the racket while permitting free articulation of the wrist and swinging the training device in such a manner that the player's hand remains substantially perpendicular to the direction of the swing.
申请公布号 US5236191(A) 申请公布日期 1993.08.17
申请号 US19910763547 申请日期 1991.09.23
申请人 CAPRIATI, STEFANO 发明人 CAPRIATI, STEFANO
分类号 A63B59/00;A63B69/38 主分类号 A63B59/00
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