Games using tangible projectile – Golf – Practice projectile addressing surface
Patent
1996-01-03
1996-08-27
Graham, Mark S.
Games using tangible projectile
Golf
Practice projectile addressing surface
108 4, A63B 6936
Patent
active
055495222
ABSTRACT:
A practicing device includes an upper plate, a lower plate and at least one adjusting device disposed therebetween, a support extending from the lower plate and a stand extending from an under side of the upper plate so as to be rotatably received in the support with a distal end of the stand, the adjusting device including a first base disposed to the lower plate and a second base disposed to the upper plate, a cup having a bottom with a stand extending therefrom and an open top, a worm gear disposed in the cup and having a threaded hole defined therein for a threaded rod threadedly engaged therethrough, a first ball formed to a distal end of the stand for being rotatably received in the first base and one end of the threaded rod having a second ball formed thereto for being rotatably received in the second base, a motor-driven worm screw laterally extending through the cup and engaged with the worm gear so as to lift or lower the threaded rod to adjust the upper plate corresponding to the lower plate such that a player may hit a golf ball when standing on the upper plate.
REFERENCES:
patent: 3430964 (1969-03-01), Budzinski
patent: 3595581 (1971-07-01), Anderson et al.
patent: 4374497 (1983-02-01), Harmond
patent: 5358251 (1994-10-01), Ashton
patent: 5431406 (1995-07-01), Ishii
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