Abstract: A golf club head including a club head body including a back portion and a striking face, wherein the striking face comprises a front surface configured to strike a golf ball and a rear surface opposite the front surface, wherein the back portion is spaced from the rear surface, a first deformable member residing between the back portion and the rear surface of the striking face, wherein the first deformable member comprises a front surface in contact with the rear surface of the striking face, and a second deformable member residing between the back portion and the rear surface of the striking face, wherein the second deformable member comprises a front surface in contact with the rear surface of the striking face, wherein the first deformable member has a greater Shore A durometer than the second deformable member.

Abstract: A system and methods of fitting golf clubs, and more particularly, the systems and methods related to wedge type golf clubs, having multiple sole configurations and/or bounce angles. More specifically, the present invention is directed to system and methods that enable a player to quantify the performance of the golf club's sole interaction with the ground and to determine the sole configuration and bounce angle that provides the most optimal shot performance.

Abstract: A golf club head including a club head body comprising a back portion, a striking face, and an interior cavity formed between the back portion and the striking face, wherein the striking face includes a front surface configured to strike a golf ball and a rear surface opposite the front surface, a deformable member residing between the back portion and the rear surface of the striking face, wherein the deformable member includes a front surface in contact with the rear surface of the striking face, wherein the deformable member includes a rear surface in contact with the back portion, wherein the deformable member includes a free thickness and an installed thickness, and wherein the free thickness is at least 5% greater than the installed thickness.

Abstract: A golf club head including a club head body comprising a back portion, a striking face, and an interior cavity formed between the back portion and the striking face, wherein the striking face comprises a front surface configured to strike a golf ball and a rear surface opposite the front surface, wherein the back portion is spaced from the rear surface, wherein an aperture is formed through the back portion, a damping element comprising an exterior portion located behind the back portion of the club head body, a damping portion located within the interior cavity of the golf club head, wherein the damping portion comprises a front surface abutting the rear surface of the striking face and a rear surface abutting the back portion of the club head body.

Abstract: A golf club head including a striking face, a periphery portion, and a support arm spaced from the rear surface of the striking face, a first damping element residing between the support arm and the rear surface of the striking face, wherein the first damping element comprises a front surface in contact with the rear surface of the striking face and a rear surface in contact with the support arm, wherein the periphery portion comprises a sole, and a second damping element located between the first damping element and the sole, a front portion of the second damping element in contact with the rear surface of the striking face, a rear surface of the second damping element in contact with the support arm.

Abstract: A golf club head having a damping treatment, such as a viscoelastic polymer, is disclosed. The viscoelastic polymer may be in contact with the rear surface of a striking face of the golf club head. The viscoelastic polymer may have a tangent of delta peak temperature between ?70 degrees Celsius and ?20 degrees Celsius at a 1 Hz frequency. An elastic modulus (F), in megapascals (MPa), of the viscoelastic polymer has a relationship to a striking face thickness (t), in millimeters (mm), defined by Ê??14{circumflex over (t)}+305. The elastic modulus (E), in megapascals (MPa), of the viscoelastic polymer has a relationship to an effective stiffness (S) of the striking face, in gigapascals per meter (GPa/m), defined by Ê??1.16?+258.33. The viscoelastic polymer may cover a portion of the rear surface of the striking face or may substantially fill a cavity of the golf club head.

Abstract: A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. A filler at least partially fills the cavity defined between the front wall and the rear wall of the flexure and is exposed to the interior of the golf club head.

Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).

Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).

Abstract: A golf club head having a damping treatment, such as a viscoelastic polymer, is disclosed. The viscoelastic polymer may be in contact with the rear surface of a striking face of the golf club head. The viscoelastic polymer may have a tangent of delta peak temperature between ?70 degrees Celsius and ?20 degrees Celsius at a 1 Hz frequency. An elastic modulus (E), in megapascals (MPa), of the viscoelastic polymer has a relationship to a striking face thickness (t), in millimeters (mm), defined Ê??14{circumflex over (t)}+305. The elastic modulus (E), in megapascals (MPa), of the viscoelastic polymer has a relationship to an effective stiffness (S) of the striking face, in gigapascals per meter (GPa/m), defined by Ê??1.16?+258.33. The viscoelastic polymer may cover a portion of the rear surface of the striking face or may substantially fill a cavity of the golf club head.

Abstract: A golf club head including a club head body including a back portion and a striking face, wherein the striking face comprises a front surface configured to strike a golf ball and a rear surface opposite the front surface, wherein the back portion is spaced from the rear surface, a first deformable member residing between the back portion and the rear surface of the striking face, wherein the first deformable member comprises a front surface in contact with the rear surface of the striking face, and a second deformable member residing between the back portion and the rear surface of the striking face, wherein the second deformable member comprises a front surface in contact with the rear surface of the striking face, wherein the first deformable member has a greater Shore A durometer than the second deformable member.

Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).

Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).

Abstract: A golf club head that is capable improving on the inertia properties of a golf club head all while also improving the Center of Gravity (CG) location is disclosed herein. More specifically, the golf club head in accordance with the present invention achieves a relative low Moment of Inertia (MOI) about the Z-axis (MOI-Z) as well as a relatively low MOI about the Shaft-axis (MOI-SA), all combined with a high MOI about the X and Y-axis (MOI-X and MOI-Y) and maintaining a consistently and relatively low CG location measured along a direction tangent to the hosel axis along the X-Y plane (CG-B).

Abstract: A golf club head that is capable of preserving the metallic acoustic signature of an entirely metallic golf club head all while utilizing a lightweight composite material is disclosed herein. More specifically, the golf club head in accordance with the present invention creates a frontal acoustic chamber in conjunction with a rear weight saving chamber via a panel member barrier is disclosed.

Abstract: A system and methods of fitting golf clubs, and more particularly, the systems and methods related to wedge type golf clubs, having multiple sole configurations and/or bounce angles. More specifically, the present invention is directed to system and methods that enable a player to quantify the performance of the golf club's sole interaction with the ground and to determine the sole configuration and bounce angle that provides the most optimal shot performance.

Abstract: A golf club head including a face having a flat ball-striking surface and a body that forms a flexure. The golf club head has a feature formed in a sole of the golf club head that provides the flexure.

Abstract: A golf club head including a club head body including a back portion, a striking face, and an interior cavity formed between the back portion and the striking face, wherein the striking face comprises a front surface configured to strike a golf ball and a rear surface opposite the front surface, a deformable element residing between the back portion and the rear surface of the striking face, wherein the deformable element comprises a front surface in contact with the rear surface of the striking face, wherein an aperture is formed through the back portion; and an adjustment driver residing within the aperture, the adjustment driver including a recess adjacent the interior cavity, wherein the deformable element resides within the recess, wherein the back portion comprises a shelf surrounding the aperture, wherein the adjustment drive comprises a flange, the flange in contact with the shelf.

Abstract: A golf club head that is capable of preserving the metallic acoustic signature of an entirely metallic golf club head all while utilizing a lightweight composite material is disclosed herein. More specifically, the golf club head in accordance with the present invention creates a frontal acoustic chamber in conjunction with a rear weight saving chamber via a panel member barrier is disclosed.

Abstract: A golf club head having a golf club head body and an inner wall structure. The club head body includes a back portion, a striking face, a sole, and a topline. The inner wall structure is at least partially in contact with a rear surface of the striking face. The inner wall structure also has a fixed end and an unfixed end. The golf club head is also configured such that the portion of the inner wall structure in contact with the rear surface of the striking face may slide against one another. The golf club head may also include a sole channel, and the fixed end of the inner wall structure may be attached to either a front edge or back edge of the sole channel.