Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1980-08-04
1981-12-22
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
273186A, 273183E, A63B 6936
Patent
active
043067220
ABSTRACT:
A golf practice apparatus for indication of the face angle of the impact face on the head of a golf club at the time of ball impact when making a practice swing. The golf club is provided with a light-reflective surface, preferably the ball impact face itself, and a concentrated beam of light coming from a source spaced from the point of ball impact is positioned to direct the beam of light in a path adjacent the point of ball impact for reflection off of the reflective surface on the club head, as it is approaching the point of impact. A lens system is provided to focus the light as reflected off of the club to a given focal area on a light-diffusing surface such that the reflected light is focused at positions on the light-diffusing surface relative to the club face angle at the point of ball impact and a light sensor system is provided to sense light from these respective positions on the light-diffusing surface and correspondingly an indicator is coupled to the sensor system to indicate the golf club face angle at the point of ball impact. The apparatus is further adaptable to indicate club face angle for alignment during preliminary club head swings when addressing the golf ball prior to the actual golf club swing for ball impact.
REFERENCES:
patent: 3194563 (1965-07-01), Mackniesh
patent: 4155555 (1979-05-01), Fink
patent: 4254956 (1981-03-01), Rusnak
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