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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0955451 (1992-10-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 8 |
A ball hitting training device has a support frame comprised of vertically disposed telescopically adjustable posts. A horizontally disposed straight hitting guide is secured to the support frame. A ball support apparatus is secured to the support frame and includes a C-shaped bracket with an upper
A ball hitting training device for teaching baseball players to swing horizontally through a baseball strike zone, comprising, a support frame adapted for mounting on a support surface, a horizontally disposed elongated straight hitting guide secured to said support frame, and being secured to said
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