Patent ID: 7066834

Claim:
An iron type golf club head comprising: a face plate provided with face grooves; and a head main body arranging the face plate on a front surface thereof, wherein the face plate comprises a peripheral edge part firmly fixed to the head main body, and a non-supported part forming an area surrounded by the peripheral edge part and having a back surface apart from the head main body, the non-supported part having a profile shape which comprises: a toe side edge extending substantially vertically on a toe portion, a heel side edge extending substantially vertically on a heel portion, a sole side edge between the toe side edge and the heel side edge on a sole portion extending substantially horizontally, and a top side edge between the toe side edge and the heel side edge on a top portion extending in a chevron shape, and the non-supported part satisfies the following equations (1), (2), and (3): 1.1 ≦ha/hb ≦1.6 (1); 1.1×( ha+hb )/2 ≦hc ≦1.5×( ha+hb )/2 (2); 18(mm) ≦hb ≦38 (mm) (3) (in which ha is a toe side height (mm) of the non-supported part at a position of an end portion of the face groove closest to the toe side, hb is a heel side height (mm) of the non-supported part at a portion of an end portion of the face groove closest to the heel side, and hc is an intermediate height (mm) of the non-supported portion at an intermediate position between the end portion on the toe side and the end portion on the heel side).