JP4452593B2 - ピッチング練習機 - Google Patents
ピッチング練習機 Download PDFInfo
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- JP4452593B2 JP4452593B2 JP2004270557A JP2004270557A JP4452593B2 JP 4452593 B2 JP4452593 B2 JP 4452593B2 JP 2004270557 A JP2004270557 A JP 2004270557A JP 2004270557 A JP2004270557 A JP 2004270557A JP 4452593 B2 JP4452593 B2 JP 4452593B2
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- weight
- grip
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- training machine
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Description
2.遠投やストレートの投球動作の場合には、ウエイトが後方になるように(逆アール)使用するとバックスイング時に後方下に大きくウエイトがかかるため体重が軸足にのって腰から始動しやすくなり、振り幅を大きく肩を使った大きなフォームづくりのトレーニングができる。
3.投球動作をすると、ウエイトは後方下から上、上から前方下に円弧状に回転移動する。この一連の動作の中で重力の変化がより大きくおこるため、腕を振り下ろす寸前に(上から下へと下がる寸前)に一番力がかかる状態になり、自然に指先にグッと力がはいるので、リリースポイントの位置を正確に習得することができる。
4.野球のピッチング練習用だけでなく、回転動作をするすべてのストレッチ、トレーニングで通常のダンベルの数倍の効果を発揮し、肩、腕、手首強化は、もちろん、足、腰、腹筋、背筋など全身の筋力を効率よく強化できる。
2 アール状又は変形状体
3 ウエイト
Claims (3)
- 間隔を置き平行に配置した2本の棒状のグリップと、
前記グリップの側方から出て当該グリップの前方に至るアール状体と、
前記アール状体に固定されたウエイトと、
を備えたことを特徴とするピッチング練習機。 - 前記2本の棒状のグリップの各々の軸心を結ぶ線の延長線上の位置とは異なる位置に、前記ウエイトの重心が位置するように、前記アール状体を形成したこと、
を特徴とする請求項1に記載のピッチング練習機。 - 前記アール状体の長手方向の一端に前記グリップを設けると共に、他端に前記ウエイトを設け、
前記ウエイトとして、相互に略同一形状の一対のウエイトを設けたこと、
を特徴とする請求項1又は2に記載のピッチング練習機。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004270557A JP4452593B2 (ja) | 2004-08-20 | 2004-08-20 | ピッチング練習機 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2004270557A JP4452593B2 (ja) | 2004-08-20 | 2004-08-20 | ピッチング練習機 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006055604A JP2006055604A (ja) | 2006-03-02 |
JP2006055604A5 JP2006055604A5 (ja) | 2008-12-11 |
JP4452593B2 true JP4452593B2 (ja) | 2010-04-21 |
Family
ID=36103552
Family Applications (1)
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JP2004270557A Active JP4452593B2 (ja) | 2004-08-20 | 2004-08-20 | ピッチング練習機 |
Country Status (1)
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JP (1) | JP4452593B2 (ja) |
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2004
- 2004-08-20 JP JP2004270557A patent/JP4452593B2/ja active Active
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JP2006055604A (ja) | 2006-03-02 |
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