Patent ID: 11872453
Assignee: KARSTEN MANUFACTURING CORPORATION
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 10:
11. A golf club head comprising:
a face having a striking surface configured for striking a ball, a face height between 28 to 40 mm;
a body connected to the face and extending rearward from the face, the body having a crown, a sole, a heel, a hosel, and a toe; and
a channel extending across a portion of the sole in a heel to toe direction,
wherein the channel is recessed from adjacent surfaces of the sole and has a depth of recession from the adjacent surfaces of the sole, wherein the channel comprises a center portion extending across a center of the sole, a heel portion extending from a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward the toe,
wherein the channel comprises a rear wall, a front wall, a front edge, a rear edge, and a width defined between the front and rear edges, and wherein the width of the center portion of the channel is substantially constant, and the width of the channel at both the heel and toe portions is greater than the width of the center portion;
wherein an angle in a range between 90 and 120 degrees is formed between the front wall and the rear wall, in a cross-section defined by a plane positioned perpendicular to a ground plane in a front-to-back direction through the center portion of the channel;
wherein the center portion of the channel has an asymmetric cross-sectional shape where the front wall of the center portion has a first length and the rear wall of the center portion has a second length; wherein the first length is greater than the second length;
wherein the center portion of the channel comprises an expanded trough positioned between the front wall and the rear wall;
wherein the expanded trough comprises a first wall connected to the front wall, a second wall connected to the rear wall, a bottom positioned between the first wall and the second wall, and a top defined by a plane extending through a intersection of the front wall and the first wall and a intersection of the rear wall and the second wall; and
wherein the bottom of the expanded trough defines a greatest depth of recession from the adjacent surfaces of the sole.