US Patent 7018305 Iron-type golf club head

An iron-type golf clubhead comprises a face plate having a front surface forming a clubface, a back surface and a circumferential surface, and a main body provided with a face mount in which the face plate is fitted, wherein the face mount comprises a side wall for supporting the circumferential surface and a back-support wall for supporting a periphery part of the back surface, whereby the face plate is provided with an unsupported part, and the back-support wall comprises a part whose thickness (T) is less than a thickness (t1) of the periphery part supported by the back-support wall.