发明名称 Batting aid
摘要 A batting aid that may easily be installed upon fixed or temporary structures, made up of a main frame that slidably supports a tube which in turn supports a ball for a batter to hit. The ball is fixed to the tube by a wire cable that extends through the ball, and is in turn mounted to the tube. The tube is height adjustable so that batters of differing stature and ages can easily practice upon balls at varied heights. The assembly is strong in construction so that a practicing batter is able to hit the ball hard and not cause damage or require another player to throw balls over the plate or return balls to the batter.
申请公布号 US6688994(B2) 申请公布日期 2004.02.10
申请号 US20020192587 申请日期 2002.07.11
申请人 MATULEK ANDREW M.;THORPE RONALD C. 发明人 MATULEK ANDREW M.;THORPE RONALD C.
分类号 A63B69/00;(IPC1-7):A63B69/00;A63B63/00 主分类号 A63B69/00
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