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Golf club head

  • US 10,279,230 B2
  • Filed: 05/18/2016
  • Issued: 05/07/2019
  • Est. Priority Date: 06/09/2015
  • Status: Active Grant
First Claim
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1. A golf club head comprising:

  • a crown portion;

    a face portion;

    a sole portion having at least one recessed portion;

    a hosel portion having an insertion hole for insertion of a shaft; and

    a weight member disposed in said recessed portion,wherein a reference state is defined as a state in which a central axis of the insertion hole is in a reference perpendicular plane that is configured to be perpendicular to a placement surface receiving the golf club head having a predetermined lie angle and loft angle,wherein a face-back direction is a direction that is perpendicular to a toe-heel direction and parallel to the placement surface, the toe-heel direction is a direction of a line of intersection of the reference perpendicular plane and the placement surface,wherein a heel side is a side on which the hosel portion is placed, a toe side is an opposite side to the heel side, a face side is a side on which the face portion is placed, a back side is a side opposite to the face side,wherein in the reference state, a placement surface side on which the sole portion is placed is a down side, a side opposite to the placement surface side is an up side,wherein the sole portion includes;

    a placement region connected to the face portion, and to be at least partially placed on the placement surface in the reference state; and

    a rear region arranged further to the back side in the face-back direction than the placement region, and in which the recessed portion is arranged,wherein the rear region inclines upward relative to the placement region toward the back side,wherein the placement region and the rear region are formed in a raised portion, the raised portion protruding outwardly from an exterior surface of the sole portion, the exterior surface of the sole portion being spaced from the at least one recessed portion of the sole portion, andwherein the raised portion comprises;

    a first edge portion that extends from the toe side to a vicinity of the hosel portion along a vicinity of a boundary between the face portion and the sole portion,a second edge portion that extends from an edge of the first edge portion that is in a vicinity of the hosel portion to the vicinity of a midpoint in the toe-heel direction, along a vicinity of a boundary between the crown portion and the sole portion,a third edge portion that joins an end portion of the first edge portion on the toe side and an end portion of the second edge portion on the toe side,a first step is a step from the first edge portion to a region in an exterior surface of the sole portion adjacent the first edge portion,a second step is a step from the second edge portion to a region in the exterior surface of the sole portion adjacent the second edge portion,a third step is a step from the third edge portion to a region in the exterior surface of the sole portion adjacent the third edge portion, andthe second step is bigger than the first step and the third step is bigger than the first step, andwherein a boundary between the placement region and the rear region is formed along a peripheral edge of the recessed portion.

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