Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Patent
1996-10-25
1998-09-08
Grieb, William H.
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
A63B 6900
Patent
active
058038361
ABSTRACT:
A device for practicing hitting a ball is disclosed. The device comprises a support arm. A ball is suspended from the support arm such that the ball swings generally vertically in a substantially upright plane of rotation when the ball is struck substantially squarely. A selectively adjustable mechanism provides for a plurality of different, substantially upright rotational planes in which the ball can swing on the support arm when the ball is struck squarely, to thereby permit practice of different hitting skills depending upon which vertical rotational plane has been selected.
REFERENCES:
patent: 2976040 (1961-03-01), Bales
patent: 3006647 (1961-10-01), Haskett
patent: 3216723 (1965-11-01), Galezniak
patent: 4793612 (1988-12-01), Hammond
patent: 5000450 (1991-03-01), Beintema
patent: 5511625 (1996-04-01), Mork
Grieb William H.
Miller James W.
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