Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1980-07-11
1981-07-28
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
273186C, A63B 6936
Patent
active
042807018
ABSTRACT:
A golf swing training device which dynamically controls the user's backswing plane and his downswing plane during his golf swing. The device comprises an arcuate open ring which moves in synchronism with the golfer's swing and to which the golf club is attached. The correct backswing plane is established initially and is modified by the device as the backswing occurs by moving the ring to the golfer's left and the backswing end of the ring rearward thereby establishing the correct downswing plane which is retained until the swing is completed. After completion of the swing, the machine restores the ring to its original position. Movement of the ring is controlled by a system including four vertical posts each of which is mounted on its own movable carrier, two timing devices, compressed air actuators, and a whisker switch sensing element which is closed by the user's golf club as the club is moved away from the ball during the backswing.
REFERENCES:
patent: 3341208 (1967-09-01), Marcella
patent: 3795399 (1974-03-01), Beckish
patent: 4071251 (1978-01-01), Beckish
Marlo George J.
Ulrich Richard P.
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