US Patent 6945883 Baseball pitcher's training device

A baseball pitcher's training device for training a pitcher in controlling his body mechanics during the pitch preparation phase as well as the delivery and follow-through phases of baseball pitching. The training device includes a collapsible balance beam that can readily be shortened to improve its portability, shipping and storage and is adjustable in length to accommodate users of different height. The device is also provided with a removable mound that is tapered in a forward direction to give the user a feeling of actual mound use when positioned thereon.