发明名称 Baseball swing trainer device and method
摘要 A swing training device comprises a swing guide, a mount adapted to position the swing guide at a height above the ground selected by a user and a swing implement comprising a handle portion for gripping by a user. The first channel has a rearward end cooperating with a rearward end of the second channel, the second channel positioned angularly with respect to the first channel. The first and second channels also have a lateral opening extending generally along their length. The swing implement includes a connector portion mounted to the swing implement generally adjacent to the handle portion and has a distal end thereon.
申请公布号 US8147357(B1) 申请公布日期 2012.04.03
申请号 US20090507871 申请日期 2009.07.23
申请人 NICHOLS GARY S. 发明人 NICHOLS GARY S.
分类号 A63B69/00 主分类号 A63B69/00
代理机构 代理人
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