Patent ID: 7624612

Claim:
An angle adjuster operable to adjust a bending angle of a bent part of a golf club shaft, the angle adjuster comprising: a base; two pressing force receiving parts mounted on the base, the two pressing force receiving parts being spaced apart with an intermediate space between them, wherein each of the two pressing force receiving parts is mounted on the base with structure that allows the pressing force receiving part to turn about an axis, and wherein each of the pressing force receiving parts includes structure defining an elongate groove configured to receive a portion of the golf club shaft, and wherein a length of that groove is out of parallel with a plane perpendicular to the axis about which that pressing force receiving part can rotate; a first pressing part mounted on the base; and an advancement mechanism operable to advance the first pressing part from a first position outside of the intermediate space between the two pressing force receiving parts to a second position inside the intermediate space between the two pressing force receiving parts and in contact with the golf club shaft received within the grooves of the two pressing force receiving parts.