Patent ID: 9623298
Date: 2017-04-18
CPC Classifications: A63B

Claim:
1. An iron type golf club head, comprising: a body part that is provided with a face surface and a sole surface; and a hosel part that is connected to the body part, wherein a lower part of a back surface of the body part is an expansion part that expands rearward, a slit is formed, which penetrates the expansion part from an upper surface to a lower surface of the expansion part, the slit having two openings facing each other, one being an upper opening positioned on the upper surface and the other being a lower opening positioned on the sole surface, an elastic body is arranged at the upper opening of the slit such that an inside of the slit is empty below the elastic body, and a width of the upper opening in a face-back direction is greater than that of the lower opening.