Patent ID: 9474947
Filing Date: 2016-10-25
CPC Classification: A63B

Claim Text:
1. A golf club head comprising: a front portion comprising a striking face, a rear end, a toe, a heel, a crown, a sole, and a hosel; wherein the crown comprises front portion, a rear portion, and a stepped portion positioned between the front portion of the crown and the rear portion of the crown; wherein the stepped portion of the crown extends from a heelward side of the crown in a toeward and rearward direction that forms an average angle α of at least about 10° relative to a plane perpendicular to the y-axis; wherein the golf club head has a center of gravity having a z-coordinate of less than or equal to −1.4 mm; and wherein an aerodynamic drag of the club head is about 1000 grams or less when air speed is 120 mph at a pitch angle of 0° and a beta angle of 20°.