초록 ▼

A method of forming a golf club head includes providing a body having an end portion such as a heel end or a toe end of the club head, wherein the body end portion includes a lower surface and a boss extending therefrom. The method comprises providing a weight having a top surface and a cavity confi

A method of forming a golf club head includes providing a body having an end portion such as a heel end or a toe end of the club head, wherein the body end portion includes a lower surface and a boss extending therefrom. The method comprises providing a weight having a top surface and a cavity configured to receive the boss, and inserting the boss on the body into the cavity in the weight by rotating the weight about an axis extending normal to the front surface of the body such that the boss interlocks with the cavity and so that at least a portion of the top surface of the weight contacts at least a portion of the lower surface of the body end portion. The weight further includes a protrusion having a concave surface and the body has a corresponding convex surface. Other embodiments are disclosed herein.

대표청구항 ▼

What is claimed is: 1. A method of forming a club head, the method comprising: providing a body comprising a front surface, a rear surface, an arcuate body surface between the front and rear surfaces, and a first end portion between the front and rear surfaces, wherein the first end portion compris

What is claimed is: 1. A method of forming a club head, the method comprising: providing a body comprising a front surface, a rear surface, an arcuate body surface between the front and rear surfaces, and a first end portion between the front and rear surfaces, wherein the first end portion comprises a lower surface and a boss extending therefrom; providing a weight extending from the front surface of the body to the rear surface of the body, the weight comprising a top surface, a cavity to receive the boss, and a protrusion comprising an arcuate weight surface; and interlocking the weight with the first end portion of the body; wherein interlocking the weight with the first end portion of the body comprises: rotating the weight about an axis normal to the front surface of the body; interlocking the arcuate weight surface and the arcuate body surface against each other; and interlocking the boss and the cavity against each other. 2. The method of claim 1, wherein: rotating the weight about the axis comprises: positioning an extremity of the arcuate weight surface against a first extremity of the arcuate body surface; and moving the weight against the first end portion of the body in an arcuate path; wherein the arcuate path is defined as the arcuate weight and body surfaces slide past each other when the extremity of the arcuate body surface moves from the first extremity of the arcuate weight surface towards a second extremity of the arcuate weight surface; interlocking the arcuate weight surface and the arcuate body surface comprises: pressing the arcuate weight and body surfaces against each other along the arcuate path until the top surface of the weight and the lower surface of the first end portion of the body couple together; and interlocking the boss and the cavity comprises: pressing the boss against at least one surface of the cavity to couple the top surface of the weight and the lower surface of the first end portion of the body together. 3. The method of claim 1, further comprising: coupling a fastener through the weight and into the boss; wherein: the fastener comprises at least one of a screw, a nail, a rivet, a pin, a soldering material, a brazing material, a magnet, or an adhesive; when interlocked, one or more of the arcuate body and weight surfaces, the boss, and a surface of the cavity exert shear and tensile stresses against the fastener along at least two substantially perpendicular axes; when interlocked, one or more interlocking elements of the club head exert shear and tensile stresses against the fastener along at least two substantially perpendicular axes; at least a portion of the shear and tensile stresses are distributed across an oblique cross-section of the fastener; and the one or more interlocking elements comprise at least one of: the arcuate body surface; the arcuate weight surface; the boss; and a surface of the cavity. 4. The method of claim 3, wherein: coupling the fastener comprises inserting the fastener along an insertion axis through the weight and into the boss; and the insertion axis is different from the axis normal to the front surface of the body. 5. The method of claim 1, wherein: interlocking the boss and the cavity against each other comprises: interlocking a first surface of the boss against a first surface of the cavity to restrict a displacement of the weight along a first axis relative to the body and along a second axis relative to the body; and coupling a third surface of the boss to a third surface of the cavity to restrict a displacement of the weight along a third axis relative to the body; and the first, second, and third axes are substantially perpendicular to each other. 6. The method of claim 1, further comprising: providing a second weight; and interlocking the second weight with a second end portion of the body; wherein the second end portion of the body is located substantially opposite to the first end portion of the body. 7. The method of claim 1, wherein: rotating the weight about the axis comprises rotating the weight until a bottom surface of the weight is substantially planar with a bottom surface of the body. 8. The method of claim 1, wherein: interlocking the weight with the first end portion of the body further comprises: aligning a front surface of the weight to be substantially planar with the front surface of the body; and forming a strike face of the club head from the front surfaces of the weight and the body. 9. The method of claim 1, further comprising: removing the weight from the first end portion of the body; providing a second weight; and interlocking the second weight with the first end portion of the body. 10. The method of claim 1, wherein: the axis normal to the front surface of the body is adjacent to a sole of the club head. 11. The method of claim 1, wherein: providing the body further comprises providing the boss to comprise an arcuate boss surface; providing the weight further comprises providing the cavity to comprise an arcuate cavity surface complementary to the arcuate boss surface; interlocking the weight with the first end portion of the body further comprises interlocking the arcuate boss surface with the arcuate cavity surface; the arcuate boss surface and the arcuate cavity surface form a portion of a first circle; the arcuate weight surface and the arcuate body surface form a portion a second circle; and the first and second circles are concentric relative to the axis when the weight and the first end portion of the body are interlocked. 12. The method of claim 11, wherein: the arcuate boss surface and the arcuate weight surface are concave; and the arcuate cavity surface and the arcuate body surface are convex. 13. The method of claim 1, wherein: providing the body further comprises providing the boss to comprise a second arcuate boss surface; providing the weight further comprises providing the cavity to comprise a second arcuate cavity surface complementary to the second arcuate boss surface; interlocking the weight with the first end portion of the body further comprises interlocking the second arcuate boss surface with the second arcuate cavity surface; the second arcuate boss surface and the second arcuate cavity surface form a portion of a third circle; the third circle is concentric with the first and second circles relative to the axis when the weight and the first end portion of the body are interlocked; the second arcuate boss surface is convex; and the second arcuate cavity surface is concave. 14. A club head comprising: a body comprising a front surface, a rear surface, a convex body surface between the front and rear surfaces, and a first end portion between the front and rear surfaces, wherein the first end portion comprises a first juncture area and a boss extending therefrom; and a weight configured to extend from the front surface of the body to the rear surface of the body, the weight comprising a second juncture area, a cavity to receive the boss, and a protrusion comprising a concave weight surface; wherein: the weight comprises a density greater than a density of the body; the weight and the first end portion of the body are configured to interlock with each other upon a rotation of the weight about an axis normal to the front surface of the body; the concave weight surface and the convex body surface are complementary to each other and configured to slide across each other upon the rotation of the weight about the axis; the concave weight surface is wedged against the convex body surface when the first juncture area of the first end portion is adjacent to the second juncture area of the weight after the rotation of the weight about the axis; the boss and the cavity comprise arcuate surfaces complementary to each other and are configured to slide across each other upon the rotation of the weight; and the boss is wedged against at least one surface of the cavity when the first juncture area of the first end portion is adjacent to the second juncture area of the weight after the rotation of the weight about the axis. 15. The club head of claim 14, wherein: the concave weight surface, the convex body surface, the boss, and the cavity are configured to restrict a vibration of the weight relative to the first end portion of the body when wedged together. 16. The club head of claim 14, further comprising: a fastener located through the weight and in the boss to secure the weight to the first end portion of the body; wherein: the fastener comprises at least one of a screw, a nail, a rivet, a pin, a soldering material, a brazing material, a magnet, or an adhesive; and when the weight and the first end portion of the body are interlocked, shear and tensile stresses are distributed across an oblique cross-section of the fastener. 17. The club head of claim 14, wherein: the boss comprises a boss first surface and a boss second surface; the cavity comprises a cavity first surface and a cavity second surface; the boss first surface and the cavity first surface are wedged together to restrict a displacement of the weight along a first axis relative to the body and along a second axis relative to the body; the boss second surface and the cavity second surface are wedged together to restrict a displacement of the weight along a third axis relative to the body; and the first, second, and third axes are substantially perpendicular to each other. 18. The club head of claim 14, wherein: the body further comprises a second end portion substantially opposite the first end portion; the club head further comprises a second weight configured to interlock with the second end portion of the body; and the weight and the second weight are absent from a portion of the body between the first end portion and the second end portion. 19. The club head of claim 14, further comprising at least one of: a strike face comprising a front surface of the weight substantially planar with the front surface of the body when the boss and the cavity are wedged together; or a sole comprising a bottom surface of the weight substantially planar with a bottom surface of the body when the boss and the cavity are wedged together. 20. The club head of claim 14, further comprising: a second weight having a mass different than a mass of the first weight; wherein the second weight is configured to interlock with the first end portion upon a rotation of the second weight about the axis normal to the front surface of the body. 21. The club head of claim 14, wherein the body comprises titanium and the weight comprises tungsten. 22. The club head of claim 14, wherein the club head is a putter head. 23. The club head of claim 14, wherein: the arcuate surfaces of the boss and the cavity, the concave weight surface, and the convex body surface form portions of concentric circles relative to the axis. 24. A golf club comprising: a golf club shaft coupled to the body; a body comprising a front surface, a rear surface, a convex surface between the front and rear surfaces, and a first end portion between the front and rear surfaces, wherein the first end portion comprises a lower surface and a boss extending therefrom; a weight extending from the front surface of the body to the rear surface of the body, the weight comprising a top surface, a cavity to receive the boss, and a protrusion comprising a concave surface; and a screw inserted through the weight and into the boss; wherein: the boss of the body comprises one or more boss arcuate surfaces; the cavity of the weight comprises one or more cavity arcuate surfaces; the one or more boss arcuate surfaces and the one or more cavity arcuate surfaces are coupled in a first press-fit against each other after a rotation of the weight about a rotation axis normal to the front surface of the body; the concave surface of the weight and the convex surface of the body are coupled in a second press-fit against each other after the rotation of the weight; shear and tensile stresses from the first and second press-fits are obliquely distributed across the screw; the first press-fit restricts displacement of the weight relative to the body along three restriction axes substantially perpendicular to each other; the lower surface of the first end portion is located over the top surface of the weight when the boss and the cavity are press-fitted together; and the convex surface of the body is located below the concave surface of the weight when the boss and the cavity are press-fitted together. 25. The golf club of claim 24 wherein: a first arcuate surface of the one or more boss arcuate surfaces forms an arc of a first circle; a first cavity arcuate surface of the one or more cavity arcuate surfaces forms the arc of the first circle; a second arcuate surface of the one or more boss arcuate surfaces forms an arc of a second circle; a second cavity arcuate surface of the one or more cavity arcuate surfaces forms the arc of the second circle; the concave surface of the weight forms an arc of a third circle; the convex surface of the body forms the arc of the third circle; the first, second, and third circles are concentric about the rotation axis; and the weight comprises a density greater than a density of the body.