Golf club head or other ball striking device having impact-influencing body features

  • US 9,889,346 B2
  • Filed: 01/09/2015
  • Issued: 02/13/2018
  • Est. Priority Date: 06/20/2014
  • Status: Active Grant
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First Claim
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1. A golf club head comprising:

  • a face having a striking surface configured for striking a ball;

    a body connected to the face and extending rearwardly from the face, the body having a crown, a sole, a heel, and a toe;

    an elongated channel extending across a portion of the sole in a heel to toe direction, wherein the elongated channel is recessed from adjacent surfaces of the sole and has a depth of recession from the adjacent surfaces of the sole, wherein the elongated channel comprises a center portion extending parallel to the face 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 elongated channel has a front edge, a rear edge, a width defined between the front and rear edges, and a variable cross-sectional shape along a length of the elongated channel from the center portion to the heel end and from the center portion to the toe end, wherein the variable cross-sectional shape of the center portion of the elongated channel is substantially semi-circular and the variable cross-sectional shape of the elongated channel at the heel and toe portions is substantially trapezoidal, and wherein the variable cross-sectional shape of the elongated channel is different at the heel and toe portions than at the center portion, wherein the elongated channel has a wall thickness that gradually increases or decreases to create a different wall thickness at the center portion, the heel portion, and the toe portion, and wherein the wall thickness has one or more steps in the wall thickness to create these different wall thicknesses, and further wherein an access for a hosel connecting structure is in communication with and intersects the heel portion of the elongated channel.

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