Golf club alignment device

Details Golf club alignment device Golf club alignment device

1997-03-10

1998-01-20

Marlo, George J.

Games using tangible projectile

Golf

Practice swingable implement or indicator associated with...

473244, 473251, A63B 6936

Patent

active

057096112

ABSTRACT:
A retractable golf club alignment device and method for use for assisting a golfer to hit the sweet spot of a golf ball with the optimum spot on the face of a golf club head. The device comprise a retractable extension pin mounted through the optimum spot on the club face which extends from the face of the golf club head and provides a three dimensional alignment aid to the golfer and retracts flush with the golf club face when the golfer hits a golf ball. The retractable extension pin is mounted in a pin bearing and extended via a pin extender unit. In use, the golfer mentally notes the position and extension axis of the extension pin and then proceeds with a normal swing as if the extension pin was not present. The extension pin does not affect the expected trajectory of the golf ball.

REFERENCES:
patent: 976176 (1910-11-01), Holllingsworth
patent: 3194564 (1965-07-01), Swan
patent: 3384376 (1968-05-01), Greenlee
patent: 3730529 (1973-05-01), Donofrio
patent: 4988107 (1991-01-01), Sasse
patent: 5135229 (1992-08-01), Archer
patent: 5219169 (1993-06-01), Martini
patent: 5417429 (1995-05-01), Strand
patent: 5429366 (1995-07-01), McCabe
patent: 5441273 (1995-08-01), Stormon
patent: 5447313 (1995-09-01), Finley

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