发明名称 Baseball batting training method
摘要 A method for training a baseball trainee in the art and science of batting a baseball. The method comprises the steps of providing an entirely and totally constrained straight track for a ball striking portion of a bat to follow during the swinging motion of a batter; providing a measured resistance to movement of the bat along the constrained path; and increasing the resistance to movement of the bat along the straight path as bat training progresses.
申请公布号 US5226646(A) 申请公布日期 1993.07.13
申请号 US19920863087 申请日期 1992.04.03
申请人 LEVATINO, SAMUEL R. 发明人 LEVATINO, SAMUEL R.
分类号 A63B69/00 主分类号 A63B69/00
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