Patent ID: 9492722
Filing Date: 2016-11-15
CPC Classification: A63B

Claim Text:
1. A golf club head for an iron-type golf club, comprising: a cavity-back iron-type body including a heel portion, a sole portion, a toe portion, a top-line portion, and a face portion, wherein said sole portion extends rearwardly from a lower end of said face portion and the body defines a cavity behind the face portion; wherein the face portion includes an ideal striking location that defines the origin of a coordinate system in which an x-axis is tangential to the face portion at the ideal striking location and is parallel to a ground plane when the body is in a normal address position, a y-axis extends perpendicular to the x-axis and is also parallel to the ground plane, and a z-axis extends perpendicular to the ground plane, wherein a positive x-axis extends toward the heel portion from the origin, a positive y-axis extends rearwardly from the origin, and a positive z-axis extends upwardly from the origin; wherein the club head includes a central region in which −25 mm<x<25 mm and the central region of the face portion is devoid of channels; wherein at least one channel is defined in the face portion in a location outside of the central region and proximate to the toe portion, the at least one channel being defined through an entire thickness of the face portion; wherein at least one stress relief is included with the at least one channel; and wherein the at least one stress relief is a thickened face portion in regions proximate to ends of the channel.