发明名称 METAL BASEBALL BAT WITH WOOD BAT PERFORMANCE CHARACTERISTICS
摘要 A metal bat in which the performance characteristics of an impact of the metal bat with a baseball are the same as or substantially the same as the performance characteristics of a wood bat impacting a baseball. The construction of the metal bat dampens the resilience of the metal bat barrel and reduces the trampoline effect of the bat when impacting the baseball to reduce the exit velocity of the baseball at impact. In addition, the bat speed at the point of impact with a baseball can be decreased by increasing the weight of the bat, preferably at its outer end and adjusting the balance point of the bat toward the outer end.
申请公布号 US2001014634(A1) 申请公布日期 2001.08.16
申请号 US19980175339 申请日期 1998.10.20
申请人 MACKAY, JACK W. 发明人 MACKAY, JACK W.
分类号 A63B59/06;(IPC1-7):A63B59/06 主分类号 A63B59/06
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