Patent ID: 6875123

Claim:
A golf club which includes an adjustable shaft, in which the shaft comprises: a. an inner shaft part, b. an outer shaft part which has an open end in which an end-of the inner shaft part can be received, the outer shaft part flaring outwardly from its open end-and having an internal tube fastened within it which extends along the inside of the outer shaft part, which can engage the inner shaft part in a telescoping arrangement, and c. a locking mechanism by which the inner and outer shaft parts can be locked together against relative axial and rotational movement, in which the locking mechanism comprises an inner tube part having a split end provided by one of the inner shaft part and the internal tube, and an outer tube part provided by other of the inner shaft part and the internal tube which can receive the split end of the inner tube part in a telescoping arrangement, and an expander which can be drawn into the split end of the inner tube part to cause it to become splayed, to engage the internal surface of the outer tube part.