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Golf club heads and methods to manufacture golf club heads

  • US 10,596,424 B2
  • Filed: 09/13/2017
  • Issued: 03/24/2020
  • Est. Priority Date: 02/20/2014
  • Status: Active Grant
First Claim
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1. A golf club head comprising:

  • a body portion having a toe portion, a heel portion, a top portion, a sole portion, a front portion having a face portion with a front surface and a back surface, and a back portion with a back wall portion, a maximum distance between the top portion and the sole portion being greater than a maximum distance between the face portion and the back wall portion, the face portion having a thickness between the front and back surfaces of less than or equal to 1.905 millimeters (0.075 inch);

    a first weight portion having a first mass and a height, an outer surface of the first weight portion including a threaded portion at least partially extending along a height of the first weight portion;

    a second weight portion having a second mass greater than the first mass, the second weight portion located at or below a horizontal midplane of the body portion;

    an interior cavity extending between the top and sole portions;

    at least one port on the body portion connected to the interior cavity, the at least one port configured to receive the first weight portion and surround the first weight portion along the height of the first weight portion, the at least one port having a first opening configured to receive the first weight portion and a second opening smaller than the first opening to prevent any portion of the first weight portion from entering the second opening, the second opening being between the first opening and the interior cavity to connect the first opening to the interior cavity, the at least one port having a first port wall between the first opening and the second opening and a second port wall between the second opening and the interior cavity;

    an elastic polymer material injected in the interior cavity from the at least one port,wherein the body portion comprises steel having a density of between 7.0 grams per cubic centimeter and 8.3 grams per cubic centimeter, and a tensile strength between 600 million Newtons per square meter (600 Megapascals) and 800 million Newtons per square meter (800 Megapascals),wherein a distance between the first opening and the second opening is similar or substantially similar to the height of the first weight portion, andwherein the first port wall is threaded to engage the threaded portion of the first weight portion to secure the first weight portion inside the at least one port between the first opening and the second opening.

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