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US 11,141,632 B2Granted
Golf club
AssigneeTaylor Made Golf Company, Inc.
InventorsScott Taylor, Peter L. Larsen, Bret H. Wahl, Joshua J. Dipert
Life of this patent
Estimating the term…
Abstract
An iron-type golf club head is provided with a body having a volume less than 120 cc. The body can include a sole portion with two or more slots extending upwardly into the body through the sole portion into a cavity behind a face portion. A damper can be included in the cavity and in contact with a rear surface of the face portion. The club head can have a maximum CT proximate to the ideal striking location and a CT dropoff of no more than 110 μs at a point located between a first and second scoreline proximate to the sole portion. The club head can also have a CG along the y-axis (CG-y) between 0.25 mm and 20 mm and a CG along a positive z-up axis (CG-z) between 12 mm and 25 mm.
Claims20
An iron-type golf club head comprising:
- a body comprising a heel portion, a toe portion, a face portion, a sole portion, and a top-line portion, the body having a volume less than 120 cc;
- wherein the sole portion extends rearwardly proximate to a lower end of the face portion, the toe portion extends rearwardly proximate to a toe end of the face portion, and the top-line portion extends rearwardly proximate to an upper end of the face portion;
- wherein the face portion includes an ideal striking location that defines an origin of a coordinate system in which an x-axis is tangential to the face portion at the ideal striking location and is parallel to a ground plane when the body is in a normal address position, a y-axis extends perpendicular to the x-axis and is also parallel to the ground plane, and a z-axis extends perpendicular to the ground plane, wherein a positive x-axis extends toward the heel portion from the origin, a positive y-axis extends rearwardly from the origin, and a positive z-axis extends upwardly from the origin;
- wherein the sole portion comprises two or more slots extending upwardly in the z-axis direction into the body and extending through the sole portion into a cavity behind the face portion, wherein a maximum characteristic time (CT) is located proximate to the ideal striking location and a CT dropoff at a point located between a first and second scoreline proximate to the sole portion is no more than 110 μs;
- wherein a center of gravity (CG) of the golf club head along the y-axis (CG-y) is between 0.25 mm and 20 mm and the CG of the golf club head along a positive z-up axis (CG-z) is between 12 mm and 25 mm, wherein the positive the CG z-up axis extends upwardly from a ground plane;
- and
- wherein a damper is included in the cavity of the golf club head and in contact with a rear surface of the face portion.
4 more elements
An iron-type golf club head comprising:
- a body comprising a heel portion, a toe portion, a face portion, a sole portion, and a top-line portion, the body having a volume less than 120 cc;
- wherein the sole portion extends rearwardly proximate to a lower end of the face portion, the toe portion extends rearwardly proximate to a toe end of the face portion, and the top-line portion extends rearwardly proximate to an upper end of the face portion;
- wherein the face portion includes an ideal striking location that defines an origin of a coordinate system in which an x-axis is tangential to the face portion at the ideal striking location and is parallel to a ground plane when the body is in a normal address position, a y-axis extends perpendicular to the x-axis and is also parallel to the ground plane, and a z-axis extends perpendicular to the ground plane, wherein a positive x-axis extends toward the heel portion from the origin, a positive y-axis extends rearwardly from the origin, and a positive z-axis extends upwardly from the origin;
- wherein the sole portion comprises two or more slots extending upwardly in the z-axis direction into the body and extending through the sole portion into a cavity behind the face portion;
- wherein a center of gravity (CG) of the golf club head along the y-axis (CG-y) is between 0.25 mm and 20 mm and the CG of the golf club head along a positive z-up axis (CG-z) is between 12 mm and 25 mm, wherein the positive the CG z-up axis extends upwardly from a ground plane;
- wherein a damper is included in the cavity of the golf club head and in contact with a rear surface of the face portion;
- wherein a balance point of the golf club head on the face portion has a characteristic time (CT) of no less than 248 microseconds;
- and
- wherein each slot has a slot width, a slot length, and an average slot width, and at least two slots have unequal slot lengths.
6 more elements
Dependencies are inferred from the claim text.