Games using tangible projectile – Golf – Anchored projectile
Patent
1995-07-10
1996-05-07
Marlo, George J.
Games using tangible projectile
Golf
Anchored projectile
473146, 473149, A63B 6936
Patent
active
055138470
ABSTRACT:
A golf practice device includes: a supporting base, a golf ball secured on a linking arm having a sleeve pivotally mounted on a shaft erected on the base, two rotor magnets having opposite outer magnetic poles and diametrically secured on two opposite ends of the sleeve, two stator magnets having opposite inner magnetic poles and secured on two opposite ends of a housing for surrounding the two rotor magnets for a mutual attraction between each stator magnet and each rotor magnet, a power generator having an iron core wound with coil windings on the core and surrounding the two rotor magnets for generating power due to change of magnetic field when rotating the sleeve and the two rotor magnets with respect to the iron core as driven by a hitting on the golf ball, and a display device for converting the power to an optical and audio signal for a visual and audio display for indicating the striking strength as hit by the golf player, and upon magnetic attraction between each stator magnet and each rotor magnet, the golf ball after the rotation will be stopped at its starting position as automatically restored by the magnetic attraction.
REFERENCES:
patent: 2834210 (1958-05-01), Crelinsten
patent: 5390930 (1995-02-01), Hu
Hu Cha-Che
Hu Chih-Chang
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