发明名称 Baseball throwing aid
摘要 A baseball or softball (B) throwing aid (10) for teachings players, particularly young players the proper mechanics for throwing a ball. The aid includes a rod or bar (12) projecting from each side of the ball. One half of each rod or bar is one color (G) and the other half a different color (R). The throwing practice aid teaches the player to get their thumb in the correct position before they throw the ball. If a thrower doesn't have their thumb facing the correct way before throwing the ball, they are pulling and pushing the ball instead of throwing it.
申请公布号 US9132329(B2) 申请公布日期 2015.09.15
申请号 US201314028853 申请日期 2013.09.17
申请人 发明人 Ebert Dylan
分类号 A63B69/00;A63B43/00;A63B71/06 主分类号 A63B69/00
代理机构 Polster, Lieder, Woodruff & Lucchesi, L.C. 代理人 Polster, Lieder, Woodruff & Lucchesi, L.C.
主权项 1. A training aid for teaching the proper mechanics of throwing a baseball or softball from one player to another, the training aid teaching a player the correct position of the thumb on their throwing hand after the player has drawn back their arm to throw the ball, but before the arm moves forward in the throwing motion, comprising: a ball whose size and shape corresponds to that of a baseball or softball; and, a first projection extending from the side of the ball and a second projection extending from the side of the ball oppositely of the first projection, the projections comprising one of a rod or a bar and with each projection having indicia thereon indicating to the player, when the player has drawn the ball back into a throwing position, whether or not they are gripping the ball properly; and, corresponding halves of the rods or bars being of one color and the other corresponding halves being of a different color whereby if the portions of the rods or bars seen by the player when they have drawn the ball back correctly would be one color; while, if the ball is drawn back incorrectly the color they would see would be the other color.
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