Patent ID: 9486676
Filing Date: 2016-11-08
CPC Classification: A63B

Claim Text:
1. A golf club with drag reduction surfacing comprising: a golf club member having a shaft and a club head mounted at a lower extremity of the shaft, the shaft having a shank and a grip, the club head having a forward face, an upper surface, a toe, a hosel, a rear face, a sole, and a heel, the forward face comprising a centrally disposed ball impact face and a peripheral portion surrounding the ball impact face; a round central area of the ball impact face; a first ring of the ball impact face concentrically disposed around the central area; a second ring of the ball impact face concentrically disposed around the first ring; an outer portion of the ball impact face disposed between the second ring and the peripheral portion; an exterior surface on each of the shaft shank and the club head; and a plurality of drag-reducing structures continuously disposed on the entire exterior surface of each of the shaft shank and the club head, the plurality of drag-reducing structures disposed on the golf club member being one of all grooves or all protrusions, the plurality of drag-reducing structures comprising: wherein each of the fifth portion, the fourth portion, and the third portion of the drag-reducing structures progressively decrease in surface area with the third portion of the drag-reducing structures having the largest surface area and the fifth portion of the drag-reducing structures having the smallest surface area.