Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1991-04-09
1991-12-24
Grieb, William H.
Amusement devices: games
Surface projectile game; game element
Simulated game
273186R, A63B 6936
Patent
active
050745646
ABSTRACT:
A device comprising a housing containing a pellet, a diaphragm, and means for applying a force for translating the pellet towards the diaphragm to produce a signal disposed within the housing is mounted by C clamps onto a golf club shaft. The signal issues at critical times during a proper golf swing. These signals assist a golfer in improving his swing, resulting in a swing that has a greater balance, synchronicity, symmetry and tempo than before.
REFERENCES:
patent: 1990281 (1935-02-01), Grelle
patent: 2218943 (1940-10-01), Whitney
patent: 2561272 (1971-02-01), Davis
patent: 3126546 (1964-06-01), Connolly
patent: 3498616 (1970-03-01), Hurst
patent: 3575419 (1971-04-01), Davis
patent: 4168068 (1979-09-01), Grover
patent: 4614343 (1986-09-01), Radway
Golf Research Technology, Inc.
Grieb William H.
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