发明名称 Warm-up bat
摘要 A warm-up bat includes a tubular shell with a handle section, a barrel section, and a tapered section connecting the handle section with the barrel section. The handle is attached at an end of the handle section of the bat. An end cap is attached at an end of the barrel section of the bat. A sliding weight mechanism is entirely contained within the barrel section of the bat, and is positionally supported on a shaft.
申请公布号 US2005153797(A1) 申请公布日期 2005.07.14
申请号 US20050033507 申请日期 2005.01.12
申请人 NUTTER MARK E.;MARON ROBERT A.;NUTTER JACOB 发明人 NUTTER MARK E.;MARON ROBERT A.;NUTTER JACOB
分类号 A63B15/00;A63B59/06;A63B69/00;(IPC1-7):A63B69/00 主分类号 A63B15/00
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