Golf club head structure with split, multi-component head

Golf club head structure with split, multi-component head

  • CN 105,209,133 B
  • Filed: 03/14/2014
  • Issued: 06/02/2020
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A golf club head comprising:

  • a first part forming a forward portion of the golf club head, the first part including a first sidewall extending around the golf club head, wherein the first sidewall includes an inner surface that terminates at a first edge defining an open side of the first part, and wherein the inner surface of the first sidewall has a draft angle of 0 °

    or greater relative to a first pulling direction as the inner surface of the first sidewall extends in a direction toward the first edge;

    a second part forming a rear portion of the golf club head, the second part including a second sidewall extending around the golf club head, wherein the second sidewall includes an inner surface terminating at a second edge defining an open side of the second part, and wherein the inner surface of the second sidewall has a draft angle of 0 °

    or greater relative to a second pull direction as the inner surface of the second sidewall extends in a direction toward the second edge;

    a third part forming a central body member of the golf club head, the third part including a third sidewall extending around the golf club head, wherein the third sidewall terminates at a third edge defining a first open side of the third part, the first open side positioned toward the first part of the golf club head, wherein a third inner surface of the third sidewall has a draft angle of 0 °

    or greater relative to a third pull direction as the third inner surface extends toward the third edge, wherein the third part includes a fourth edge defining a second open side of the third part, the second open side positioned toward the second part of the golf club head; and

    isWherein the first and second parts are injection molded parts;

    wherein the first and third components are joined to each other over at least a portion of the first edge and at least a portion of the third edge, thereby forming at least a portion of a first parting line;

    wherein the first parting line between the first and third members is located along a curve formed by inflection points of the interior surfaces of the top, bottom and sides of the golf club head;

    wherein the second part and the third part are joined to each other over at least a portion of the second edge and at least a portion of the fourth edge, thereby forming at least a portion of a second part line, the second part line having a curve of sinusoidal profile with a forward protruding portion proximate a heel-to-toe center of a top portion of the golf club head, the forward protruding portion having a concave shape relative to the forward portion of the golf club head.

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