Golf club for showing swing condition

Details Golf club for showing swing condition Golf club for showing swing condition

2005-07-05

2005-07-05

Vidovich, Gregory (Department: 3711)

Games using tangible projectile

Golf

Practice swingable implement or indicator associated with...

C473S223000

Reexamination Certificate

active

06913542

ABSTRACT:
A golf club for showing swing condition has a shaft and a head connecting to the shaft, and the head having a striking face. The golf club has a visible illuminant that is mounted on the head and exposed outside the head with an upward angle. A battery is for providing electrical power to the light. A centrifugal switch that is actuated by centrifugal force is mounted on the head opposite the striking face for controlling a circuit between the battery and the illuminant. Thereby the illuminant will light by a predetermined-strength centrifugal force during swinging the golf club for investigating the body harmony and strength-exerting condition of golfer.

REFERENCES:
patent: 2787470 (1957-04-01), Barrus
patent: 3677553 (1972-07-01), Moore
patent: 4515368 (1985-05-01), Petitjean
patent: 5161802 (1992-11-01), Daechsel
patent: 5288080 (1994-02-01), Tice
patent: 5401030 (1995-03-01), Halliburton
patent: 5630764 (1997-05-01), McNair
patent: 5692964 (1997-12-01), Smith et al.
patent: 5839969 (1998-11-01), Klouda
patent: 5895328 (1999-04-01), Pahio

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