发明名称 Apparatus to catch, determine accuracy and throw back a ball
摘要 An apparatus that determines the accuracy and speed of a thrown ball, catches the ball and throws the ball back to a source is provided that a housing with a front opening covered by tension adjustable vertical flexible strips with a ramp inclined downwardly to the front with a door closeable opening with a ball throwing device behind the ramp opening. Behind the strips is a hanging target pad with jiggle sensors on the pad and on the ramp sensing a ball hit, the sensors electrically connected to controller to record and display the count and the ball speed. A lever adjusts the distance between to spinning wheels of the ball return to adjust for ball size and pitching distance.
申请公布号 US5573239(A) 申请公布日期 1996.11.12
申请号 US19950418505 申请日期 1995.04.07
申请人 RYKER, KENNETH H.;HAWN, RONALD D. 发明人 RYKER, KENNETH H.;HAWN, RONALD D.
分类号 A63B63/00;A63B69/00;A63B69/40;(IPC1-7):A63B69/40 主分类号 A63B63/00
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