发明名称 BALL LAUNCHER
摘要 A ball launcher system includes a ball launcher having a rotatable sleeve installed within an internal bore of a hollow body. The hollow body has ball chutes extending from an external surface to the internal bore. The rotatable sleeve has one or more holes that can be sequentially aligned with the ball chutes by rotation of the sleeve to enable balls within the ball chutes to pass sequentially into a well through the one or more holes.
申请公布号 CA2916511(C) 申请公布日期 2016.04.19
申请号 CA20142916511 申请日期 2014.06.27
申请人 CAMERON INTERNATIONAL CORPORATION 发明人 GUIDRY, KIRK P.;LEVERT, MICHAEL F., JR.;SOMMERFELD, KYLE A.
分类号 E21B33/13 主分类号 E21B33/13
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