Golf club shaft with superelastic tensioning device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jan 23, 2003
app pub date -
Mar 30, 2001
filing date -
Mar 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A shaft for a golf club or other sporting equipment is disclosed, wherein the shaft is hollow and contains a wire or cable placed under tension therein, the wire being made of a superelastic material. The wire is connected at one end to a variation device such as a cam which varies the tension on the wire and thus the bending stiffness of the golf club. Because the wire is made of a superelastic material, for example Nitinol, it can reversibly elongate in response to pre-tensioning and dynamic stresses encountered during swinging the golf club, in order to counterbalance and accommodate, the stress encountered during normal use of the golf club, thus ensuring a long life and preventing damage to the golf club shaft.
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