Golf club head
First Claim
Patent Images
1. A hollow iron-type golf club head comprising:
- a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face having an unsupported face area of between about 300 mm2 to about 4,000 mm2;
a back wall in the rear portion enclosing a substantial portion of the rear portion to create a substantially enclosed cavity, the enclosed cavity being defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion;
at least one plug located within the enclosed cavity, the at least one plug being compressed between the rear surface of the striking face and the back wall in the rear portion;
wherein the unsupported face area includes a thickened central region; and
wherein the at least one plug is positioned to be in contact with at least a portion of the thickened central region;
wherein the back wall includes at least a first aperture, the first aperture being configured to allow the at least one plug to be inserted into the first aperture and is configured to allow the at least one plug to move from a first position to a second position; and
wherein the back wall includes at least one slot, the at least one slot being connected to the first aperture and is configured to secure the at least one plug.
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Accused Products
Abstract
An iron-type golf club head is disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. A back wall is also disclosed in the rear portion enclosing a portion of the rear portion to create an enclosed cavity. The cavity is defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion. A plug and a filler material is located within the enclosed cavity. The filler material surrounds the plug and is configured to hold the plug in place. The plug is lighter than the filler material.
75 Citations
26 Claims
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1. A hollow iron-type golf club head comprising:
- a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face having an unsupported face area of between about 300 mm2 to about 4,000 mm2;
a back wall in the rear portion enclosing a substantial portion of the rear portion to create a substantially enclosed cavity, the enclosed cavity being defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion;
at least one plug located within the enclosed cavity, the at least one plug being compressed between the rear surface of the striking face and the back wall in the rear portion;
wherein the unsupported face area includes a thickened central region; and
wherein the at least one plug is positioned to be in contact with at least a portion of the thickened central region;
wherein the back wall includes at least a first aperture, the first aperture being configured to allow the at least one plug to be inserted into the first aperture and is configured to allow the at least one plug to move from a first position to a second position; and
wherein the back wall includes at least one slot, the at least one slot being connected to the first aperture and is configured to secure the at least one plug. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
- a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face having an unsupported face area of between about 300 mm2 to about 4,000 mm2;
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21. A hollow iron-type golf club head comprising:
- a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face having an unsupported face area of between about 300 mm2 to about 4,000 mm2;
a back wall in the rear portion enclosing a substantial portion of the rear portion to create a substantially enclosed cavity, the enclosed cavity being defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion;
at least one plug located within the enclosed cavity, the at least one plug being compressed between the rear surface of the striking face and the back wall in the rear portion;
wherein the back wall includes a first aperture;
wherein the first aperture is configured to allow the at least one plug to be inserted into the first aperture and is configured to allow the at least one plug to move from a first position to a second position and wherein the back wall includes at least one slot, the at least one slot being connected to the first aperture and is configured to secure the at least one plug. - View Dependent Claims (22, 23, 24, 25, 26)
- a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face having an unsupported face area of between about 300 mm2 to about 4,000 mm2;
Specification