Golf club head with reinforcing ribs

Abstract

To provide a golf club head having a reinforcing structure or ribs. [Solution] The first component comprises a crown return extending backward from the strike face, a sole return forming part of the sole, a sole extension extending backward from the sole return and forming part of the sole, and a back rail connected to the sole extension, the back rail including an upper wall, a rear wall, and a lip, the upper wall, rear wall, and lip defining a channel extending along the back rail, the second component comprising a heel-side wing and a toe-side wing extending from the crown to the sole around the heel end, the sole extension extending a greater distance from the strike face than the return, the channel configured to receive a weight, and the first component comprising the majority of the total mass of the golf club head.

Claims

1. It is a golf club, A golf club head comprising a first component bonded to a second component and defining a closed internal volume between them, the golf club head having a strike face configured to strike a golf ball, a rear portion facing the strike face, a crown, a sole facing the crown, a heel end, and a toe end facing the heel end, The first component is, The crown return extends rearward from the strike face and forms part of the crown, Extending rearward from the aforementioned strike face, the sole return forms part of the sole, A sole extension portion that extends rearward from the sole return and forms part of the sole, It has a back rail joined to the sole extension, The aforementioned back rail includes an upper wall, a rear wall, and a lip. The upper wall, the rear wall, and the lip together define a channel that extends along the back rail in the direction from heel to toe. The second component is, A heel-side wing extending from the crown to the sole around the heel end of the club head, The club head has a toe-side wing that extends from the crown to the sole around the toe end of the club head, The sole extension extends at a greater distance from the strike face than the return when measured in the direction backward from the strike face. The channel is configured to accept a weight portion of at least 14 grams. The first component is a golf club, comprising approximately 85% to 90% of the total mass of the golf club head.

2. The club head according to claim 1, wherein the ribs are arranged on the inner surface of the closed internal volume of the club head.

3. The club head according to claim 2, wherein the rib is arranged on the inner surface adjacent to the back rail and the sole extension.

4. The club head according to claim 1, wherein the rib further includes a rib height measured perpendicular to the inner surface of the sole extension.

5. The club head according to claim 4, wherein the rib height increases in an arc shape from front to rear.

6. The club head according to claim 1, further comprising a crown bridge integrally formed with the crown return and the back rail, and extending in the direction from the strike face to the rear portion.

7. The club head according to claim 6, wherein the rib extends from the inner surface of the sole extension to the crown bridge.

8. The club head according to claim 7, wherein the rib is located within 20% of the last point of the rear portion.

9. The club head according to claim 7, wherein the rib is located within 10% of the last point of the rear portion.

10. The club head according to claim 7, wherein the rib forms a plurality of perforations.

11. It is a golf club, A golf club head comprising a first component bonded to a second component and defining a closed internal volume between them, wherein the golf club head comprises a strike face configured to strike a golf ball, a rear portion opposite to the strike face, a crown, a sole opposite to the crown, a heel end, and a toe end opposite to the heel end, The first component is, The crown return extends rearward from the strike face and forms part of the crown, Extending rearward from the aforementioned strike face, the sole return forms part of the sole, A sole extension portion that extends rearward from the sole return and forms part of the sole, It has a back rail joined to the sole extension, The aforementioned back rail includes an upper wall, a rear wall, and a lip. The upper wall, the rear wall, and the lip together define a channel extending along the back rail in the direction from heel to toe, and the rear wall of the channel has a plurality of weight receiving bosses. The second component is, A heel-side wing extending from the crown to the sole around the heel end of the club head, The club head has a toe-side wing that extends from the crown to the sole around the toe end of the club head, The sole extension extends at a greater distance from the strike face than the return when measured in the direction backward from the strike face. The channel is configured to accept a weight portion of at least 14 grams. The first component comprises approximately 85% to 90% of the total mass of the golf club head. A golf club in which ribs are arranged on the inner surface of the closed internal volume of the club head.

12. The club head according to claim 11, wherein the rib extends between the weight receiving bosses and is integral with the inner surface of the back rail and the sole extension.

13. The club head according to claim 11, wherein the rib has a first arched surface extending from the crown bridge to the sole extension, the first arched surface being convex when viewed perpendicular to the strike face, and the rib has a second arched surface extending from the crown bridge to the sole extension, the second arched surface being concave when viewed perpendicular to the strike face.

14. The club head according to claim 13, wherein the rib forms a plurality of perforations.

15. The club head according to claim 14, wherein the plurality of perforations include shapes from the group consisting of circles, triangles, squares, pentagons, hexagons, trapezoids, octagons, and rectangles.

16. The club head according to claim 11, wherein the first component and the second component define an overlap joint or a concave lip between them, and the second component is bonded to the first component across the overlap.

17. The club head according to claim 16, wherein the lap joint includes a plurality of adhesion-promoting features across the surface of the lap joint.

18. The club head according to claim 11, wherein the rib extends across the entire width of the channel.

19. The club head according to claim 11, wherein the second component includes one or more thinned portions to reduce the overall weight of the second component.

20. The club head according to claim 19, wherein the thinned portion is between 0.002 inches and 0.035 inches.

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