Piezoelectric golf club shaft

Details Piezoelectric golf club shaft Piezoelectric golf club shaft

1998-06-26

2000-04-11

Chapman, Jeanette

Games using tangible projectile

Golf

Club or club support

310326, A63R 5310, A63R 5312

Patent

active

060482761

ABSTRACT:
A golf club shaft (10) incorporating a piezoelectric device (12) which, upon deflection or deformation of the golf club shaft (10) caused by swinging of the golf club shaft, selectively stiffens a section of the golf club shaft. The piezoelectric device (12), includes a sensor (24) located along the golf club shaft (10) and configured such as to produce an electrical signal upon flexing of the golf club shaft. A piezoelectric stiffener (22) is electrically connected to the sensor (24), is located along the golf club shaft (10), and is designed to mechanically deform as a result of receiving the electrical signal from the sensor (24). The mechanical deformation of the piezoelectric stiffener (22) causes a corresponding deformation of the golf club shaft (10).

REFERENCES:
patent: 4070022 (1978-01-01), Braly
patent: 5036241 (1991-07-01), Michaelis
patent: 5575722 (1996-11-01), Saia
patent: 5620260 (1997-04-01), Ide
patent: 5857694 (1999-01-01), Lazarus

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