Swing training device for sports

Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device

Reexamination Certificate

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Reexamination Certificate

active

07125350

ABSTRACT:
A device for practicing an address stance and ball-hitting motion in a sport such as softball. A batter stands on a step plate (30) and a swivel plate (31) mounted on a flat base (12). The plates have adjustable separation, and align the user's feet using toe stops (36). The step plate (30) has foot guards (34) that force the user to step towards the pitch. The swivel plate (31) rotates about a vertical axis, and has foot-retaining straps (38, 39) that allow the heel to lift. Swivel stops (18, 20) limit the rotation range between address alignment and a safe maximum swivel. The user learns to step toward the pitch and swivel the back foot while swinging the bat, turning the body, and shifting weight toward the pitch. The foot plates (30, 31) are reversible on the base (12) for right or left-handed use.

REFERENCES:
patent: 2189613 (1940-02-01), Paulsen
patent: 3352559 (1967-11-01), Larsen
patent: 3372930 (1968-03-01), Sertich
patent: 3466040 (1969-09-01), Sertich
patent: 3979116 (1976-09-01), Matchick
patent: 4194735 (1980-03-01), Wilson
patent: 4629181 (1986-12-01), Krive
patent: 4932656 (1990-06-01), Pierce
patent: 5037094 (1991-08-01), Johnson
patent: 5318290 (1994-06-01), Sawyer
patent: 5810673 (1998-09-01), Castleberry
patent: 5976026 (1999-11-01), Erb
patent: 6102818 (2000-08-01), Hamilton
patent: 6723004 (2004-04-01), Florian
patent: 6749529 (2004-06-01), Sobolewski
Item TAH49 from on-line catalog www.baseballjunk.com/hittingaids.htm called “Stride Guide”, photo and features list.
Item TAH35 from on-line catalog www.baseballjunk.com/hittingaids.htm called “Pivot Pro”, photo and brief description.
Item TAH55 from on-line catalog www.baseballjunk.com/hittingaids.htm called “Dewstep”, photo and brief description.

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