KR101947182B1 - Golf club heads with ribs and related methods - Google Patents

Abstract

A golf club head having ribs is described herein. Other embodiments and related methods are also disclosed herein.

Description

≪ Desc / Clms Page number 1 > GOLF CLUB HEADS WITH RIB AND RELATED METHODS < RTI ID = 0.0 >

Claim of priority

This application is a continuation-in-part of U. S. Patent Application No. 12 / 047,957, filed March 13, 2008, now U. S. Patent No. 7,539, Part of the continuation-in-part of U.S. Patent Application No. 12 / 430,821 filed on April 27, 2009, U.S. Patent No. 7,874,935, filed on August 14, 2009, which is a continuation-in-part of U.S. Patent Application No. 12 / 541,817.

Technical field

The present invention relates generally to golf equipment, and more particularly to a golf club head.

Modern wood-type golf club heads are now manufactured exclusively from metal rather than from persimmon trees, which have now been given their name. These club heads are generally constructed as a hollow metal shell with a relatively thick face for withstanding air impact and a relatively thick sole for enduring the impact of the tread on the ground as well as for lowering the center of gravity of the club head. The remainder of the club head is made as thin as possible so that the maximum amount of material can be dedicated to the face portion and the sole portion. The crowns and skirts of modern clubheads are very thin, but they must still be sufficiently rigid in the direction of maximum stress to provide support for the face of the clubhead.

Has been conventionally used in the crown of a club head to allow the crown to be as light as possible while ribs still provide sufficient stiffness in the anteroposterior direction. U.S. Patent No. 4,214,754 to Zebelean discloses a hollow club head having a crown that includes a parallel rib extending perpendicularly to the face of the club head that extends inwardly and bridges a thin transition with the crown. Similarly, U.S. Patent No. 6,595,871 to Sano discloses a hollow club head having a crown with a plurality of parallel ribs extending vertically to a separately attached face and face. U.S. Patent No. 5,067,715 to Schmidt et al. Discloses a club head having a plurality of parallel ribs merged and extending vertically, as well as crowns having a plurality of vertically extending ribs merged into the rear wall of the club head A hollow club head is disclosed.

The prior art has a club head with a crown having a parallel rib that uniformly reinforces the face of the club head, since the club head face is inherently point-impacted near its center without being uniformly loaded. It failed to recognize that it was not.

In a first example, the golf club head may include a plurality of ribs projecting from the body and the rib surface of the body. The body may include a heel end, a toe end, a soul, a front surface and a rear surface. The plurality of ribs may include a first rib having a first longitudinal axis, a second rib having a second longitudinal axis, and a third rib having a third longitudinal axis. The first, second and third longitudinal axes may intersect at a common point outside of the body.

In a second example, the golf club head may include a body and a plurality of ribs projecting from a rib surface of the body. The body may include a heel end, a toe end, a crown, a soul, a front surface and a rear surface. The plurality of ribs may be generally straight and do not intersect and / or may include a first rib closest to the heel end of the body and a second rib closest to the end of the body of the body. The plurality of ribs may also be arranged in a substantially radial pattern to form a fan-like shape between the first rib and the second rib.

In a third example, the method comprises: (a) providing a body of a golf club head having a heel end, a toe end, a soul, a front face and a rear face, (b) providing a plurality of ribs projecting from a rib face of the body Lt; / RTI > The plurality of ribs may include a first rib having a first longitudinal axis extending through a common point, a second rib having a second longitudinal axis extending through the common point, and a third rib having a third longitudinal axis extending through a common point , The common point may be outside the body.

Other examples and embodiments are further disclosed herein. These examples and embodiments may be found in the drawings, in the claims and / or the detailed description.

1 is a front perspective view of a golf club head incorporating features of the present invention;
2 is a cross-sectional view of the club head of FIG. 1 seen from below;
Figure 3 is a partial cross-sectional view of the club head of Figure 1 viewed from the front;
4 is a plan view of a golf club head according to a second embodiment;
5 is an overall sectional view of the club head of Fig. 4 viewed from the front; Fig.
6 is a plan view of a golf club head according to a third embodiment;
7 is an overall sectional view of the club head of Fig. 6 as viewed from the side. Fig.
8 is a plan view of a golf club head according to a fourth embodiment;
9 is an overall sectional view of the club head of Fig.
10 is a plan view of a golf club head according to a fifth embodiment;
11 is an overall sectional view of the club head of Fig. 10 seen from the front; Fig.
12 is a plan view of a golf club head according to a sixth embodiment.
Figure 13 is an overall cross-sectional view of the club head of Figure 12 viewed from the front;
14 is a partial front cross-sectional view of a golf club head according to another embodiment.
Figure 15 is a planar cross-sectional view of the golf club head of Figure 14 in connection with line XV-XV of Figure 14;
Figure 16 is a flow diagram of a method for providing a golf club head in accordance with an example and embodiment of the present invention.
17 is a planar cross-sectional view of a golf club head according to another embodiment;

1 to 3, a golf club 10 includes a club head 12, a hosel 14, and a shaft 16. The club head 12 is typically comprised of a hollow body 18 made of stainless steel, titanium or other material having a high elastic shear modulus and a high strength to weight ratio. The hollow body 18 includes a front wall or face 20 that is adapted to impact the golf ball. The hollow body 18 further includes a top wall or crown 22, a bottom wall or soul 24 and a side wall or skirt 26 connecting the face 20 to the crown 22 and the soul 24. The club head 12 further includes a heel end 30 and a toe end 32. The skirt 26 surrounds the club head 12 between the heel end 30 and the toe end 32 to form a rear wall 28. The golf club head 12 may be a driver club, a fairway wood, or a golf club head for a hybrid club.

The crown 22 preferably includes a thin wall structure cast as part of the hollow body 18. The crown 22 is preferably titanium having a relatively thin thickness dimension of 0.076 cm (cm) 占 0.013 cm. The crown 22 is reinforced with a plurality of ribs 34 extending downwardly from the lower surface 36 of the crown 22. Each rib 34 extends from a first end proximate to but spaced from the front wall 20 to a second end that is proximate to but spaced from the rear wall 28. The ribs 34 are spaced apart by a greater amount, preferably 20 percent, at their second ends than at their first ends. Adjacent ribs 34 branch from their first end towards their second ends by an angle of at least 5 degrees. The rib 34 includes a narrow, elongated, generally linear metal shock wave distribution element having a height dimension of 0.051 cm ± 0.013 cm and a width dimension of 0.178 cm ± 0.013 cm. The ribs 34 are generally downwardly convex when viewed in cross section and smoothly mix into the lower surface 36 of the crown 22. It will be appreciated that the crown 22 has no ribs extending transversely between the ribs 34.

The lower surface 36 of the crown 22 is connected by a midline laid generally parallel to the front wall 20 at half the distance between the foremost point on the front wall 20 and the rearmost point on the rear wall 28 And has a front portion and a rear portion as specified. The first end of the rib 34 terminates at the front of the crown 22 and the second end of the rib 34 terminates at the rear of the crown 22. [

2, the rib 34 is a pattern that allows the longitudinal axis 38 of the rib 34 to radiate from the point 40 in the space located in front of the front wall 20 to intersect . The point 40 is preferably located within a middle 1/3 (W / 3) of the width of the front wall 20, and is preferably positioned substantially forward of the center line of the front wall 20. Note that since the club head 12 is a three-dimensional body, when used in this specification, the point 40 refers to a single point in plan view as in Fig. Alternatively, the point 40 may be considered as a vertical line consisting of the traces of the intersection of the vertical planes passing through the centerline of the rib 34.

The ribs 34 come from a first position close to the intersection 42 of the rear face 44 of the front wall 20 and the bottom face 36 of the crown 22 and form a second position close to the rear wall 28, . In an exemplary embodiment, at least half, and preferably all, of the ribs 34 extend from the front wall 20 through the midpoint L / 2 of the club head 12, and by any lateral ribs They are not interconnected. Thus, each rib 34 acts independently of other ribs 34 interconnected by interposing a thin section of the crown 22 therebetween. Preferably, the point 40 also does not exceed L / 2 in front of the front wall 20. This creates a pattern of ten ribs 34 that have an angle of about 60 degrees and a divergence angle between adjacent ribs 34 of between 4 and 8 degrees, preferably about 6 degrees.

The surprising result of this arrangement of ribs 34 is that the array of vertical ribs of 0.051 cm height x 0.178 cm width results in only a 9% reduction of the maximum stress as compared to unenhanced crown areas, The ribs 34 arranged in the pattern reduce the maximum stress in the crown region by almost 36%. While not wishing to adhere to any particular theory of operation, since the pace 20 itself deforms outwardly unevenly from the impact point, the load is transmitted to the crown area in a similar, non-uniform manner, radiating outwardly from the impact point. do. Arranging the ribs 34 of the radial pattern extending from near the impact point thus creates a crown 22 that more effectively supports the face 20 during impact.

It is possible to have an alternative embodiment of a golf club head having ribs in addition to a linear linear rib having a substantially constant width and height as described in the example of Figures 1-3. For example, the ribs can be bent or the height and / or width of the ribs can be changed.

By way of example, FIG. 4 illustrates another embodiment of a golf club head. Figure 5 shows a cross-sectional view of the embodiment of Figure 4 taken on the line labeled " 5 ". 4), the crown 422 (Fig. 4), the soul 525 (Fig. 5), the crown 422 and the soul 524 Having a side wall 526 (Figure 5), a heel end 430 (Figure 4), a toe end 432 (Figure 4) and a rear side 428 (Figure 4) opposite the front wall 420 And a body 418 (Fig. 4). In addition, the golf club head 412 may also include a rib 440 (FIG. 4) extending downwardly from the lower surface of the crown 422. 4, rib 440 includes ribs 441, 442, 443, 444, 445 (not shown) having a first end proximate to front wall 420 and a second end proximate rearward side 428. [ , 446).

In some instances, one or more of the ribs 440 may be curved. By way of example, each rib 441, 442, 443, 444, 445, 446 is bent in the example of Fig. However, in another example, a portion of the rib 440 may not be curved. For example, the ribs 441 may be linear. When the ribs 440 are bent, the length of the ribs 440 can be increased. Longer ribs allow the ribs to absorb more vibration.

Each of the ribs 440 in Fig. 4 is bent. In some instances, the ribs 440 may be curved in different directions. For example, the ribs 441, 442, 443 can be bent in one direction, while the ribs 444, 445, 446 can be bent in the opposite direction. The ribs 441, 442, and 443 are convexly curved with respect to the toe end portion 432. Accordingly, the first end and the second end of the ribs 441, 442, 443 are bent from the toe end portion 432 toward the heel end portion 430. On the other hand, the ribs 444, 445, and 446 are convexly curved with respect to the heel end portion 430. Thus, the first and second ends of the ribs 444, 445, 446 are bent from the heel end 430 toward the toe end 432. In one example, at least two of the ribs 440 may intersect when extending forwardly in a linear or curvilinear fashion toward the front wall 420. For example, the linear extensions of the ribs 442 may intersect the linear extensions of the ribs 444 in the front wall 420 in the vicinity of the front wall 420, or in different embodiments. It should be noted that there may be alternative bending arrangements for the ribs 440. For example, more ribs 440 may bend towards one direction than others, or all ribs may bend in the same direction. In addition, less than six or more ribs 440 may be present.

Each rib 440 may have a radius of curvature. The radius of curvature is the radius of the circle created by extrapolation of ribs. In some instances, each rib 440 has a different radius of curvature. In another example, some radii may be approximately equal to each other.

In the example of the golf club head 412 shown in FIG. 4, the ribs 441 have a maximum radius of curvature. The radius of curvature of the next rib decreases as the rib approaches the heel end 430 or the toe end 432 with respect to the rib 441. [ For example, the radius of curvature of rib 442 is less than the radius of curvature of rib 441, and the radius of curvature of rib 443 is less than the radius of curvature of rib 442. The radius of curvature of the rib 444 is less than the radius of curvature of the rib 444 and the radius of curvature of the rib 444 is less than the radius of curvature of the rib 445. [ Lt; / RTI > In another example, the radius of curvature of the rib 440 may increase as the rib is closer to the heel end 430 or the toe end 432 with respect to the rib 441. In another example, the radius of curvature of the ribs 440 may not be related to the position of the ribs relative to the ribs 441.

In the same or different examples, the radius of curvature for the ribs may be symmetrical to each other depending on their position relative to the ribs 441. [ For example, the radius of curvature of the rib 442 may be approximately the same as the radius of curvature of the rib 444, and the radius of curvature of the rib 443 may be approximately equal to the radius of curvature of the rib 445. In another example, the radius of curvature for rib 440 is asymmetrical with respect to each other.

Each rib 440 has a width dimension. In the example of FIG. 4, each rib 440 has approximately the same width as the other ribs. In another example, the ribs 440 may have a width that is not the same as all other ribs. In some instances, each rib 440 has a tapered first end and a tapered second end. In another example, the first end and / or the second end are not tapered.

In addition, each rib 440 has a height dimension. The height dimension is a measure of the distance the rib extends from the crown 422 into the hollow body 418. In the example of FIG. 5, each rib 440 has approximately the same height as the height of each of the other ribs. In another example, the ribs 440 may have unequal heights in other ribs.

Each rib 440 also has a length dimension. The length dimension is a measure of the (curved) distance between the first end of the rib and the second end thereof. In the example of Fig. 4, the ribs toward the midpoint between the toe end 432 and the heel end 430 have a maximum length. In addition, the length of the rib decreases as the ribs are closer to the toe end 432 or the heel end 430. The length of the rib 444 is greater than the length of the rib 445 and the length of the rib 444 is greater than the length of the rib 444. [ The length is greater than the length of the ribs 446. In another example, all ribs 440 have approximately the same length.

Figure 6 shows another embodiment of a golf club head. Figure 7 shows a cross-sectional view of the embodiment of Figure 6 taken on a line labeled " 7 ". 6), the crown 622 (Fig. 6), the soul 724 (Fig. 7), the crown 622 and the soul 624 6) having a side wall 726 (Figure 7), a heel end 630 (Figure 6), a toe end 632 (Figure 6) and a rear side 628 (Figure 6) . In addition, the golf club head 612 may also include a rib 640 (FIG. 6) that extends downwardly from the lower surface of the crown 622. 6, rib 640 includes ribs 641, 642, 643, 644, 645 having a first end proximate to end end 632 and a second end proximate to heel end 630. [ , 646).

In some instances, one or more of the ribs 640 may be curved. By way of example, each of the ribs 641, 642, 643, 644, 645, 646 is bent in the example of Fig. However, in another example, a portion of the rib 640 may not be curved. For example, the ribs 641 may be linear.

Each of the ribs 640 of Fig. 6 is bent. In some instances, the ribs 640 are all curved in the same direction. For example, the ribs 641, 642, 643, 644, 645, and 646 may be convexly curved with respect to the front wall 620. Accordingly, the first end and the second end of the rib 640 are bent away from the front wall 620. It should be noted that there may be alternative bending arrangements for the ribs 640. For example, if the dimension of the golf club head 612 is significantly reduced at the rear side 628 relative to the front wall 620, a portion of the rib 640 may be concavely curved with respect to the front wall 602 . In another embodiment, a portion of the rib 640 may have a first end proximate the front wall 620 and a second end proximate the rear side 628. [ In addition, less than six or more ribs 440 may be present.

Each rib 640 may have a radius of curvature. In some instances, each rib 640 has a different radius of curvature. In another example, some curvature radii may be approximately equal to each other.

In the example of the golf club head 612 shown in FIG. 6, the ribs 641 have a maximum radius of curvature. The radius of curvature of the next rib decreases as the rib approaches the back end 628. [ For example, the radius of curvature of the ribs 642 is less than the radius of curvature of the ribs 641, the radius of curvature of the ribs 643 is less than the radius of curvature of the ribs 642, 643 and the radius of curvature of the ribs 645 is less than the radius of curvature of the ribs 644 and the radius of curvature of the ribs 646 is less than the radius of curvature of the ribs 645. [ In another example, the radius of curvature of the ribs 640 may be increased for each rib that is closer to the rear side 628. [ In another example, the radius of curvature of the rib 640 is not related to the position of the rib relative to the rear end 628. [

Each rib 640 has a width dimension. In the example of FIG. 6, each rib 640 has approximately the same width as the other ribs. In another example, the ribs 640 may have a width that is not the same as another rib. In some examples, each rib 640 has a tapered first end and a tapered second end. In another example, the first end and / or the second end are not tapered.

In addition, each rib 640 has a height dimension. The height dimension is a measure of the distance the rib extends from the crown 622 into the hollow body 618. In the example of FIG. 7, each rib 640 has approximately the same height as the height of each of the other ribs. In another example, ribs 640 may have unequal heights in other ribs.

Each rib 640 also has a length dimension. The length dimension is a measure of the (curved) distance between the first end of the rib and the second end thereof. In the example of FIG. 6, the ribs closer to the front wall 620 generally have a greater length than the ribs closer to the rear side 628. By way of example, the length of the ribs 642 is greater than the length of the ribs 643, the length of the ribs 643 is greater than the length of the ribs 644, the length of the ribs 644 is greater than the length of the ribs 645 , The length of the ribs 645 is greater than the length of the ribs 646. However, the length of the ribs 642 is greater than the length of the ribs 641. In another example, all ribs 640 have approximately the same length.

Figure 8 shows another embodiment of a golf club head. Figure 9 shows a cross-sectional view of the embodiment of Figure 8 taken on a line labeled " 9 ". 8) includes a front wall 820 (FIG. 8), a crown 822 (FIG. 8), a soul 924 (FIG. 9), a crown 422 and a soul 624 Having a side wall 926 (Fig. 9), a heel end 830 (Fig. 8), a toe end 832 (Fig. 8) and a rear side 828 And a body 818 (Fig. 8). In addition, the golf club head 812 may also include a rib 840 (FIG. 8) extending downwardly from the lower surface of the crown 822. 8, rib 840 includes ribs 841, 842, 843, 844, 845 (not shown) having a first end proximate to end 832 and a second end proximate to heel end 830. [ ).

In some instances, one or more of the ribs 840 may be curved. By way of example, each of the ribs 841, 842, 843, 844 and 845 is bent in the example of FIG. However, in another example, a portion of the rib 840 may not be curved. For example, ribs 841 may be linear.

Each of the ribs 840 of Fig. 8 is bent. In some instances, the ribs 840 are all curved in the same direction. For example, the ribs 841, 842, 843, 844, and 845 are convexly curved with respect to the front wall 820. Accordingly, the first end and the second end of the rib 840 are bent toward the front wall 820. [ It should be noted that there may be alternative bending arrangements for the ribs 840. For example, a portion of the rib 840 may have a first end proximate the front wall 820 and a second end proximate the rear side 828. [ In addition, less than six or more ribs 840 may be present.

Each rib 840 has a radius of curvature. In some examples, each rib 840 has a different radius of curvature. In another example, some radii may be roughly the same.

In the example of the golf club head 812 shown in FIG. 8, the ribs 841 have a minimum radius of curvature. The radius of curvature of the next rib increases as the rib is closer to the rear end 828. [ For example, the radius of curvature of the rib 842 is greater than the radius of curvature of the rib 841, the radius of curvature of the rib 843 is greater than the radius of curvature of the rib 842, 843 and the radius of curvature of the ribs 845 is greater than the radius of curvature of the ribs 844. [ In another example, the radius of curvature of the ribs 840 may be reduced for each rib that is closer to the back end 828. [ In another example, the radius of curvature of the rib 840 is not related to the position of the rib relative to the rear end 828. [

In the same or different examples, the radius of curvature for the ribs may be such that the ribs are concentric. If each rib 840 is extrapolated to complete a circle, the resulting circle may be concentric. In another example, the radius of curvature for rib 840 is not concentric.

Each rib 840 has a width dimension. In the example of Fig. 8, each rib 840 has approximately the same width as the other ribs. In another example, rib 840 may have a width that is not the same as another rib. In some examples, each rib 840 has a tapered first end and a tapered second end. In another example, the first end and / or the second end are not tapered.

In addition, each rib 840 has a height dimension. The height dimension is a measure of the distance that the rib extends from the crown 822 into the hollow body 818 (curved). In the example of FIG. 9, each rib 840 has approximately the same height as the height of each of the other ribs. In another example, ribs 840 may have unequal heights in other ribs.

Each rib 840 also has a length dimension. The length dimension is a measure of the distance between the first end and the second end of the rib. In the example of FIG. 8, the ribs closer to the rear side 828 have a greater length than the ribs closer to the front wall 820. The length of the rib 844 is greater than the length of the rib 844 and the length of the rib 843 is greater than the length of the rib 842 and the length of the rib 844 The length is greater than the length of the ribs 841. In another example, all ribs 840 have approximately the same length.

In addition to having a curved rib, the golf club head may have ribs of varying widths. For example, Figure 10 shows another embodiment of a golf club head. Figure 11 shows a cross-sectional view of the embodiment of Figure 10 taken on a line labeled " 11 ". 10) includes a front wall 1020 (Fig. 10), a crown 1022 (Fig. 10), a soul 1124 (Fig. 11), a crown 1022 and a soul 1124 Having a side wall 1126 (Figure 11), a heel end 1030 (Figure 10), a toe end 1032 (Figure 10) and a rear side 1028 (Figure 10) opposite the front wall 1020 And a body 1018 (Fig. 10). In addition, the golf club head 1012 may also include a rib 1040 (FIG. 10) extending downwardly from the lower surface of the crown 1022. 10, rib 1040 includes ribs 1041, 1042, 1043, 1044, 1045 (not shown) having a first end proximate front wall 1020 and a second end proximate rear end 1028. [ ).

In some instances, one or more of the ribs 1040 are linear. By way of example, each rib 1041, 1042, 1043, 1044, 1045 is linear in the example of Fig. However, in another example, a portion of the rib 1040 may not be linear. For example, one or more of the ribs 1040 may be curved. In some instances, ribs 1040 are arranged such that each axis of rib 1040 converges at a common point. In some instances, the common point is the front of the front wall. In another example, each axis of rib 1040 does not converge at a common point.

Each rib 1040 has a width dimension. In the example of FIG. 10, each rib 1040 has a tapered width. For example, the width of each rib 1040 decreases from its midpoint to its first end and its second end. 10, the width at the midpoint of each rib 1040 may be approximately equal to the width of each of the other ribs at their respective midpoints. In another example, the ribs 1040 may have a width at their midpoints that is not equal to the width of the other ribs at their respective midpoints.

The width of the ribs 1040 can be tapered at any ratio. For example, as shown in FIG. 10, the width may have a smooth, non-uniform taper, providing a rib 1040 with a shape of elongated ellipse. In another example, the width can be tapered in a linear or constant manner, providing ribs 1040 with a shape similar to the shape of the diamond.

In addition, each rib 1040 has a height dimension. The height dimension is a measure of the distance the rib extends from the crown 1022 into the hollow body 1018. In the example of Fig. 11, each rib 1040 has a tapered height. For example, the height of each rib 1040 decreases from its midpoint to its first end and its second end. As illustrated in FIG. 11, each rib 1040 may have a height approximately equal to the height of the other ribs at their respective midpoints. In another example, the ribs 1040 may have their midpoints at their respective midpoints that are not equal to the height of the other ribs.

The height of the ribs 1040 can be tapered at any ratio. For example, as shown in FIG. 11, the width may have a smooth, non-uniform taper, providing a smooth contour to the rib 1040. In another example, the width can be tapered more sharply or in a linear or constant manner, providing rib 1040 with a shape with a much more sharpened height at the midpoint of rib 1040.

Each rib 1040 also has a length dimension. The length dimension is a measure of the distance between the first end and the second end of the rib. In the example of FIG. 10, the ribs closer to the midpoint between the end 1032 and the heel end 1030 have a length greater than the ribs closer to the end 1032 or the heel end 1030. By way of example, the rib 1041 has a maximum length, the length of the rib 1042 is greater than the length of the rib 1043, and the length of the rib 1044 is greater than the length of the rib 1045. In another example, all ribs 1040 have approximately the same length.

Figure 12 shows another embodiment of a golf club head. Figure 13 shows a cross-sectional view of the embodiment of Figure 12 taken on a line labeled " 13 ". 12), the crown 1222 (Fig. 12), the soul 1324 (Fig. 13), the crown 1222 and the soul 1324 Having a side wall 1326 (Figure 13), a heel end 1230 (Figure 12), a toe end 1232 (Figure 12) and a rear side 1228 (Figure 12) opposite the front wall 1220 And a body 1218 (Fig. 12). In addition, the golf club head 1212 may also include a rib 1240 (FIG. 12) extending downwardly from the lower surface of the crown 1222. 12, rib 1240 includes ribs 1241, 1242, 1243, 1244, 1245 (not shown) having a first end proximate to a front wall 1220 and a second end proximate to a rear end 1228. In the example shown in FIG. 12, ).

In some instances, one or more of the ribs 1240 are linear. By way of example, each of the ribs 1241, 1242, 1243, 1244, and 1245 is linear in the example of FIG. However, in another example, a portion of the rib 1240 may not be linear. For example, one or more of the ribs 1240 may be curved. In some instances, ribs 1240 are arranged such that each axis of rib 1240 converges at a common point. In some instances, the common point is the front of the front wall. In another example, each axis of rib 1240 does not converge at a common point.

Each rib 1240 has a width dimension. In the example of Fig. 12, each rib 1240 has a width that remains substantially constant. In some instances, the width of each rib 1240 tapers at its first end and its second end. In another example, the width of each rib 1240 is not tapered at its first and / or second ends. As illustrated in FIG. 12, the width of each rib 1040 may vary. For example, the closer the rib is to the midpoint between the tooth end 1232 and the heel end 1230, the greater the width of this particular rib. 12, the rib 1241 may have a maximum width and the width of the rib 1242 is greater than the width of the rib 1243 and the width of the rib 1244 is greater than the width of the rib 1245 Lt; / RTI > In some instances, the width of the rib 1240 is symmetrical across the golf club head 1212. For example, the width of the rib 1243 is approximately the same as the width of the rib 1245, and the width of the rib 1242 is approximately the same as the width of the rib 1244. In another example, the width of the rib 1240 is asymmetric across the golf club head 1212. In another example, the width of the rib 1240 may be varied by increasing as the ribs are closer to the toe end 1232 or the heel end 1230, for example. In another example, the width of the rib 1240 is not related to the position of the rib relative to the toroidal end 1232 and / or the heel end 1230. The ribs 1240 can be positioned such that the ribs having a greater width can be placed in the region of higher vibration.

In addition, each rib 1240 has a height dimension. The height dimension is a measure of the distance the rib extends from the crown 1222 into the hollow body 1218. In the example of FIG. 13, each rib 1240 has a height that remains substantially constant. 13, each rib 1240 may have a height that is different from the height of at least one of the other ribs. In some instances, the height of the rib 1240 increases as the ribs approach the midpoint between the torso end 1232 and the heel end 1230. 12, the rib 1241 can have a maximum height, the height of the rib 1242 is greater than the height of the rib 1243, and the height of the rib 1244 is greater than the height of the rib 1245 . In some instances, the height of the ribs 1240 is symmetrical across the golf club head 1212. For example, the height of the ribs 1243 is approximately the same as the height of the ribs 1245, and the height of the ribs 1242 is approximately the same as the height of the ribs 1244. In another example, the height of the ribs 1240 is asymmetric across the golf club head 1212. In another example, the height of the rib 1240 can be changed by increasing as the ribs approach the torso end 1232 and the heel end 1230, for example. In another example, the height of the rib 1240 does not have a correlation to the position of the rib relative to the torso end 1232 and / or the heel end 1230. The ribs 1240 can be positioned such that the ribs having a greater height can be placed in the region of higher vibration.

Each rib 1240 also has a length dimension. The length dimension is a measure of the distance between the first end and the second end of the rib. In the example of FIG. 12, the ribs closer to the midpoint between the toe end 1232 and the heel end 1230 have a greater length than the ribs closer to the toe end 1232 or the heel end 1230. By way of example, the rib 1241 has a maximum length, the length of the rib 1242 is greater than the length of the rib 1243, and the length of the rib 1244 is greater than the length of the rib 1245. In another example, all ribs 1240 have approximately the same length.

In another embodiment, the ribs may be tapered and may have a width and / or height that changes from one rib to the next. For example, ribs may have a tapered width, as shown by rib 1040 of FIG. 10, and ribs may have varying widths as shown by rib 1240 of FIG. 12 . In addition, the ribs can have a tapered height as shown by ribs 1040 in FIG. 11, and the ribs can have various heights as shown by ribs 1240 in FIG.

In another embodiment, a method of manufacturing a golf club head is provided. The method of manufacturing a golf club head includes a crown having a heel end, a toe end, a top surface and a bottom surface, a soul, a front wall, a rear wall, and a wall extending from the first end to the second end and extending downwardly from the lower surface of the crown And providing a body having a rib. In addition, the rib may include a first rib and at least one second rib bent. 4), a heel end 630 (Fig. 6) or a heel end 830 (Fig. 8), and the toe end may be a toe end 432 The crown may be a crown 422 (FIG. 4), a crown 622 (FIG. 6), or a crown 822 (FIG. The soul may be soul 524 (Fig. 4), soul 724 (Fig. 7) or soul 924 (Fig. 9), and the front wall may be front wall 420 ), A front wall 620 (FIG. 6) or a front wall 820 (FIG. 8) and the rear side may be a rear side 428 (FIG. 4), a rear side 628 8) and the ribs can be ribs 440 (FIG. 4), ribs 640 (FIG. 6), or ribs 840 (FIG. 8).

In one example, the rib may be provided to be integral with the body. In another example, the ribs may be provided to initially separate from the body. The ribs can then be joined to the body via brazing techniques, welding techniques or adhesives.

In yet another embodiment, a method of providing a golf club head is provided. The method of providing a golf club head includes a crown having a heel end, a torso end, a top surface and a bottom surface, a soul, a front wall, a rear side and a rear side extending downward from a lower surface of the crown, Lt; RTI ID = 0.0 > a < / RTI > second end proximate to the first end. In the same or another example, the widths of at least two of the ribs are different. 10) or heel end 1230 (Fig. 12), and the end of the torso may be a toe end 1032 (Fig. 10) or a toe end 1232 (Fig. 12 ) And the crown may be crown 1022 (Figure 10) or crown 1222 (Figure 12) and the soul may be soul 1124 (Figure 11) or soul 1324 (Figure 13) , The front wall may be front wall 1020 (Figure 10) or front wall 1220 (Figure 12) and the rear side may be rear wall 1028 (Figure 10) or rear wall 1228 (Figure 12) And ribs may be ribs 1040 (FIG. 10) or ribs 1240 (FIG. 12).

In one example, the rib may be provided to be integral with the body. In another example, the ribs may be provided to initially separate from the body. The ribs can then be joined to the body via brazing techniques, welding techniques or adhesives.

With continued reference to the drawings, FIG. 14 shows a partial front cross-sectional view of a golf club head 140. FIG. 15 shows a planar cross-sectional view of a golf club head 140 in conjunction with line XV-XV in FIG. The golf club head 140 is similar to the other golf club heads presented herein, such as the golf club head 12 (Figs. 1-4), but includes ribs 1420 located on the rib surface 1415, Where the rib surface 1415 is defined by the extension of the rib 1420 and the space therebetween. In this example, rib 1420 includes a rib piece 1415 and a single piece of material, but rib 1420 may not be integral with rib surface 1415 and may be secured to it via one or more mechanical or chemical fasteners There may be other embodiments that can be used.

Often, a player or a user of a golf club may be able to measure the quality of their striking based on the sound that the golf club head produces upon impact with the golf ball. The ability to maintain a constant sound in the event of a crash may thus be an advantage to keep such players or users in their comfort zones and / or to maintain predictions about such sound / quality relationships. In view of the above, rib 1420 may channel stress and / or vibration in some embodiments to provide a desired collision sound when golf club head 140 impacts a golf ball, such as golf ball 1570 (FIG. 15) ≪ / RTI > This characteristic can be achieved, for example, when the desired sound characteristics are to be altered in a different way as a result of other modifications or improvements made to the structure of the golf club head design during a search for better performance, ≪ / RTI > and / or may be worthwhile to restore. In addition, as described above in connection with other golf club heads disclosed herein, the ribs 1420 can add reinforcement properties to portions of the club head, where the rib surfaces 1415 provide more stress or impact force Are preferably positioned to dissipate or channelize.

The golf club head 140 includes a heel end 1411, a toe end 1412, a soul 1413, a crown 1414, a front surface 1416 (striking surface 1430 and a target striking zone 1431) And a body 1410 having a rear surface 1517 (FIG. 15) and a skirt portion 1418. Body 1410 also includes a rib surface 1415 through which rib 1420 projects therefrom. In this example, rib 1420 includes a rib 1421 having a rib longitudinal axis 1521 (FIG. 15), a rib 1422 having a rib longitudinal axis 1522 (FIG. 15), and a rib longitudinal axis 1523 And rib longitudinal axes 1521-1523 intersect at the exterior of body 1410 at common point 1550 (Fig. 15). The rib 1421 is positioned closest to the heel end 1411 and the rib 1422 is located closest to the end end 1412 of the body 1410 and the rib 1423 is positioned nearest to the ribs 1411 and 1412, . The ribs 1420 are arranged in or on the rib surface 1415 in a substantially radial pattern in this example to form a fan shape between the ribs 1421 and the ribs 1422. There may be embodiments in which the common point 1550 is located in front of the front face 1416 in this embodiment, but the common point 1550 is located at another position outside the body 1410. By way of example, different embodiments may include ribs similar to ribs 1420, but are configured to intersect at a common point located rearwardly of the rear face 1517.

Rib 1420 also includes a rib 1424 having a longitudinal axis 1524 and a rib 1425 having a longitudinal axis 1525. In this example, longitudinal axes 1524 and 1525 also intersect longitudinal axes 1521 to 1523 at common point 15500. However, there may be other embodiments in which not all longitudinal axes of the ribs 1420 need to intersect at a common point 15500. By way of example, there may be embodiments in which the longitudinal axes 1524 and 1525 may intersect with each other outside the body 1410 but at a location other than the common point 15500. Other embodiments may include a different number of ribs. By way of example, ribs 1423-1425 may be omitted in some embodiments so that ribs 1420 may include only two ribs. As another example, some embodiments include more than five ribs, such as the embodiment having ten ribs similar to those described with respect to Figures 1-3, but with ribs in soul 24 (Figure 3) can do. Some of these embodiments may include ribs that may not intersect all of their other ribs.

15, the rib surface 1415 is located in the soul 1413 inside the body 1410 so that the rib 1420 is also located inside the body 1410 and opposite the rib surface 1415 The soul 1413 can not be visualized. However, in another example, rib 1420 may be external to body 1410, where the rib surface may instead be located on the outer surface of crown 1414 or the outer surface of soul 1413. Rib 1420 is concave relative to crown 1414 in this example and rib surface 1415 extends through soul 1413 and into a portion of skirt portion 1418 of body 1410. However, there may be other embodiments where the rib 1420 need not extend into the skirt portion 1418. In some instances, extending the rib 1420 into the skirt portion 1418 may be advantageous to reinforce one or more sections of the skirt portion 1418 and / or to adjust the impact sound of the golf club head 140.

As can be seen in FIG. 15, each rib 1420 is spaced from the front face 1415 and from the rear face 1517. This characteristic may be advantageous, for example, to avoid interference with bending or deformation of the transition region between the front face 1416 and the rest of the body 1410 in the event of a collision with the golf ball. Also in this example, the different ribs of the ribs 1420 are separated from the front face 1416 by a different distance along their respective longitudinal rib axes. By way of example, the ribs 1423 may extend along the rib longitudinal axis 1523 by a distance greater than the distance separating the ribs 1421 and / or 1422 from the front surface 1416 along the rib longitudinal axes 1521 and / 1416 < / RTI > In this embodiment, rib 1421 is spaced from front face 1416 by approximately 1.732 cm, rib 1422 is spaced from front face 1416 by approximately 1.638 cm, rib 1423 is approximately 1.742 cm The ribs 1424 are spaced from the front face 1416 by approximately 1.737 cm and the ribs 1425 are spaced from the front face 1416 by approximately 1.709 cm. This different spacing can be used to control one or more attributes of the golf club head 140, such as characteristic time, restoration coefficient, crash tone, and / or sensation thereof, in some instances, in the transition region between striking surface 1430 and soul 1413 It may be worthwhile to influence or adjust the stiffness. In another example, the ribs 1420 may be equidistantly spaced from the front surface 1416.

In this embodiment, rib 1421 comprises a length of approximately 4.1 cm, rib 1422 comprises a length of approximately 7.3 cm, rib 1423 comprises a length of approximately 8.6 cm, ribs 1424 ) Includes a length of approximately 6.5 cm, and rib 1425 comprises a length of approximately 8.8 cm. The length of the ribs 1420 may extend through and / or over other features or indentations of the rib surface 1415, such as indentations 1580, including indentations 1581-1583. The indent 1580 may thus partially wrap one or more portions of the rib 1420, as can be seen in the example of Fig. By way of example, the upper portion of the ribs 1422 and 1425 is shown protruding above the indentation 1581 while the upper portion of the ribs 1421, 1424 and 1423 protrudes above the indentation 1582 Respectively. As another example, portions of the ribs 1422-1425 are shown protruding above the indentations 1583. The indentations 1581 to 1583 all protrude from the rib surface 1415 into the interior of the golf club head 140 in the embodiment of Figures 14 to 15 wherein the indentations 1581 to 1582 have an external weight, Depressions 1583 may be located on the rib surface 1415 or may correspond to an embossed logo or other design. However, there may be other embodiments in which one or more of the ribs 1420 may not protrude above one or more of the indentations 1580. By way of example, in other embodiments, the ribs 1420 may protrude above the indentations 1583 while one or more of the ribs 1420 may terminate at the interface with one or more of the indentations 1581-1582 . In the same or other embodiments, one or more of the indentations 1580 may completely cover at least one portion of one or more of the ribs 1420. [

The ribs 1420 may be configured to include, in some embodiments, a maximum width of about 4.5 millimeters (mm) to about 5 mm and / or a maximum thickness of about 0.5 to about 1.0 mm. 14-15, the maximum width of rib 1420 may be approximately 4.8 mm, and the maximum thickness of rib 1420 may be approximately 0.76 mm.

The ribs 1420 are not intersected by any ribs in this example. In addition, the thickness and width of the ribs 1420 are mixed in the rib surface 1415 proximate the front face 1416. [ This characteristic allows the ribs 1420 to be subjected to stresses and / or vibrations along their length for dissipation across a desired portion of the body 1410 without interrupting or deviating such channeling by any crossing ribs. It can be allowed to be well taken out or channeled. The mixing of ribs 1420 into rib surface 1415 may also allow for a reduction in stress concentration than if ribs 1420 were projected abruptly proximate front surface 1416. [ However, other embodiments may include one or more of ribs 1420 that may or may not intersect all ribs 1420 and / or ribs 1420 that can not be mixed into rib surface 1415.

In this example, as can be seen in FIG. 15, the adjacent ribs of the ribs 1420 are branched from each other toward the rear face 1517 and converge toward each other toward the front face 1416. The body 1410 also includes a front portion 1561 and a rear portion 1562 that are divided by an intermediate line 1563 therebetween wherein the midline 1563 is defined by the forefront point of the front face 1416 And is generally parallel to the front face 1416 at substantially half of the distance between the rear ends of the rear face 1517. [ In this example, the front end of each rib 1422-1425 rests on the front portion 1561, while the rear end of each rib 1422-1425 rests on the rear portion 1562. There may be an example in which all the ribs 1420 include a front end portion in the front portion 1561 and a rear end portion in the rear portion 1562. [ Also, in this example, the ribs 1420 are positioned such that the collective center of gravity is located between the center of gravity of the golf club head 140 and the rear face 1517. In the same or other example, the center of gravity of each rib 1420 may be located between the center of gravity of the golf club head 140 and the rear face 1517. As a result, the ribs 1420 can advantageously displace the center of gravity of the golf club head 140 rearwardly from a position that may otherwise exist for better crash and launch characteristics.

The embodiment of Figures 14-15 also presents a target striking zone 1431 on the front side 1416 configured to be the desired point of impact of the golf ball under most circumstances. In this example, the longitudinal axis 1523 of the rib 1423 is substantially perpendicular to the striking surface 1430 and aligned with the center of the target striking zone 1431. The target striking axis 1533 extends substantially perpendicular to striking surface 1430 from the center of target striking zone 1431 where common point 1550 is defined by rib longitudinal axes 1521 to 1525 of ribs 1421 to 1425 Are positioned along the target striking axis 1533 in this embodiment such that they cross each other along the target striking axis 1533. The rib longitudinal axis 1523 may be on the same straight line as the target striking axis 1533.

As shown in FIG. 15, the common point 1550 is separated from the target striking zone 1431 by a distance 1571 that approximately includes the radius of the golf ball 1570. In some instances, the distance 1571 may be approximately 21.3 mm and / or may be fitted in relation to the radius of the golf ball conforming to the rules of the USGA (USGA). Currently, the USGA requires conforming golf balls to have a diameter of 1.680 inches (42.67 mm) or more. In another example, the common point 1550 may be separated from the target striking zone 1431 by a different distance, such as the distance of the golf ball diameter instead.

In this example, the golf club head 140 includes a soul weight 1590 located at least partially in the soul 1413. The soul weight 1590 is positioned at the lowermost portion of the soul 1413 to more effectively lower the center of gravity of the golf club head 140 and the circumference of the soul weight 1590 is adjusted to compensate for the lowermost volume of such soul 1413 Can be contoured. In the same or different example, the soul weight 1590 may include a single piece of material with the soul 1413 in this example, but the soul weight 1590 may include a different material or piece than the soul 1413 There may also be other instances where the soul weights 1590 may be attached to the soul 1413 via mechanical or chemical fasteners, for example via an adhesive, one or more screws, welding and / or brazing, among others have. As shown in FIG. 15, the soul weight 1590 may at least partially surround one or more of the ribs 1420, such as the ribs 1423-1424. In the same or different examples, the soul weights 1590 may cover the thickness of one or more portions of the wrapped ribs, as seen for portions of the ribs 1423-1424 that are to be submerged into the thickness of the soul weight 1590 have.

17 is a plan cross-sectional view of the golf club head 170. As shown in FIG. In this example, the club head 170 is similar to the golf club head 140 (Figs. 14-15) and includes ribs 1721-1725 similar to the ribs 1421-1425 (Figs. 14-15) do. The ribs 1721-1725 are positioned on a rib surface 1715 that lacks features such as weight 1590 and indentations 1581-1583 that can otherwise wrap one or more portions of the ribs 1721-1725. . However, one or more weights, such as one or more indentations and / or weights 1590, such as indentations 1581 through 1583, may be placed on the rib surface 1715.

Referring back to the drawing, FIG. 16 shows a flow diagram of a method 1600 for providing a golf club head. In some examples, the golf club head includes a golf club head 12 (Figures 1-3), a golf club head 412 (Figures 4-5), a golf club head 1012 (Figures 10-11) Such as the golf club head 1212 (Figs. 12-13), the golf club head 140 (Figs. 14-15), and / or variations thereof.

Block 1610 of method 1600 includes providing a body of a golf club head having a heel end, a toe end, a soul, a front face, and a rear face. 14-15, the body may be similar to body 1410, the end of the torus may be similar to the end of torus 1412, and the heel end may be similar to heel end 1411 and And the soul may be similar to the soul 1413, the front face may be similar to the front face 1416, and the rear face may be similar to the back face 1517. Corresponding associations are contemplated for other golf club heads or variations thereof taught herein.

Block 1620 of method 1600 includes providing a plurality of ribs projecting from the rib surface of the body. By way of example, with regard to the embodiment of Figures 14-15, the rib surface may be similar to the rib surface 1415, and the plurality of ribs may be similar to the plurality of ribs 1420. [ For example, the plurality of ribs may comprise a subset of ribs 1421-1425. Corresponding associations may be made to ribs of other golf club heads taught herein or variations thereof. In some embodiments, at least a subset of the plurality of ribs may intersect at a common point outside of the body, for example, as shown for a common point 1550 located in front of the front face 141 in Figure 15 . However, there may be another example in which the common point need not be located in front of the front face of the main body. In addition, the plurality of ribs may include a rib surface and a single piece of material, or may be attached thereto via a mechanical or chemical fastener.

In some examples, providing a plurality of ribs at block 1620 may include providing a rib surface and a plurality of ribs within the body and / or providing a plurality of ribs to a soul of the body. In another example, the plurality of ribs may instead be external to the body and / or the plurality of ribs may be provided at other locations, such as the crown of the body and / or the skirt portion of the body.

There may be instances where different blocks of method 1600 can be combined into a single block and concurrently performed and / or the order of such blocks can be changed. For example, blocks 1610 through 1620 may be performed simultaneously by forming a plurality of ribs integrally with the rib surface, for example, wherein the rib surface may include one or more portions of one or more parts of the body of the club head . There may also be instances where the method 1600 may include additional or different blocks. By way of example, the method 1600 may include other blocks for providing a weight similar to the soul weight 1590 (Fig. 15), where such weights may be applied to one or more of the plurality of ribs of block 1620 . Other variations may be implemented for the method 1600 without departing from the scope of the present invention.

Because the rules for golf may change from time to time (for example, new rules may be adopted or old rules may be applied to golf standard organizations and / or the USGA, Royal and Ancient Golf Clubs of St. Andrews R & A, etc.), the golf equipment associated with the devices, methods and / or articles of manufacture described herein may or may not conform to the rules of golf at any particular time. Thus, the golf equipment associated with the apparatus, method and / or articles of manufacture described herein may be advertised as compliant or non-compliant golf equipment, provided for sale and / or sold. The devices, methods, and / or articles of manufacture described herein are not limited in this regard.

Although at least some of the above examples have been shown and / or described in connection with a fairway wood golf club, the devices, methods and / or articles of manufacture described herein may be used in conjunction with a driver type golf club, a hybrid type golf club, Clubs, wedge type golf clubs, and / or putter type golf clubs. Alternatively, the devices, methods and / or articles of manufacture described herein may be applicable to other types of sports equipment, such as hockey sticks, tennis racquets, fishing rods, ski poles, and the like.

While certain exemplary embodiments and methods have been described herein, it will be apparent to those skilled in the art from this disclosure that variations and modifications of these embodiments and methods can be made without departing from the spirit and scope of the invention will be. It is therefore intended that the present invention be limited only to the extent required by the accompanying drawings and the principles and principles of the applicable law.

10: Golf Club 12: Club Head
14: Hosel 16: Shaft
18: hollow body 20: front wall
22: Crown 24:
26: skirt 28: rear barrier
30: heel end 32: toe end
34: rib 36: bottom surface

Claims (27)

As a golf club head,
A body having a heel end, a torso end, a soul, a front surface, a crown, and a rear surface,
A rib protruding from a rib surface of the main body,
A first rib having a first longitudinal axis,
A second rib having a second longitudinal axis, and
A third rib having a third longitudinal axis
And a plurality of ribs
Wherein the body is a hollow body,
The first, second and third longitudinal axes intersect at a common point outside the main body,
Wherein the common point is located in front of the front surface,
The rib surface and the first, second and third ribs are located in the soul of the body,
Each of the plurality of ribs being spaced from the front surface and away from the rear surface,
Wherein the shape of each of the plurality of ribs along a longitudinal axis of each of the plurality of ribs is concave with respect to a crown of the golf club head,
The center of gravity of each rib of the plurality of ribs being located between the center of gravity of the golf club head and the rear face of the body,
Wherein one or more indentations protrude into the interior of the body at the rib surface and wherein a portion of the top of the plurality of ribs extends over one or more indentations so that the one or more indentations partially encloses one or more ribs of the plurality of ribs. And projects into the interior of the body. The golf club head of claim 1, wherein the rib surface and the plurality of ribs are internal to the body. The method according to claim 1,
Wherein the first, second and third ribs are not intersected by any ribs. The method according to claim 1,
The body includes a front portion and a rear portion,
The middle line between the front portion and the rear portion being parallel to the front surface of the main body at half the distance between the forefront point on the front surface and the rear point on the rear surface,
Wherein a front end of each of said first, second and third ribs rests on said front portion,
And a rear end of each of the first, second and third ribs rests on the rear portion. The method according to claim 1,
Wherein a thickness of each of the first, second and third ribs is mixed with a rib surface proximate to the front surface. The method according to claim 1,
Wherein adjacent ribs of the plurality of ribs branch off from each other toward the rear face and converge toward each other toward the front face. delete The method according to claim 1,
Wherein the front face of the body includes a striking face having a target striking area,
And the longitudinal axis of the third rib is perpendicular to the striking surface and aligned with the target striking zone. The method according to claim 1,
Wherein the front face of the body includes a striking face having a target striking area,
Wherein the target striking axis extends perpendicularly from the center of the target striking zone to the striking surface,
Wherein the common point is located along the target striking axis. The method according to claim 1,
Wherein the front face of the body includes a striking face having a target striking area,
Wherein the common point is separated from the target striking zone by a distance of a golf ball radius. delete The method according to claim 1,
And a soul weight positioned at least in part of the soul,
Wherein the soul weight partially surrounds one or more wrapped ribs of the plurality of ribs. 13. The method of claim 12,
Wherein the thickness of the soul weight completely encloses the thickness of at least one portion of the at least one wrapped rib. delete The method according to claim 1,
Wherein the rib surface and the plurality of ribs comprise a single piece of material. Providing a body of a golf club head having a heel end, a toe end, a soul, a front face, a crown, and a rear face,
A rib protruding from a rib surface of the main body,
A first rib having a first longitudinal axis extending through a common point,
A second rib having a second longitudinal axis extending through said common point, and
A third rib having a third longitudinal axis extending through the common point,
To provide a plurality of ribs
Wherein the body is a hollow body,
Wherein the common point is outside the main body,
Wherein the common point is located in front of the front surface,
The rib surface and the first, second and third ribs are located in the soul of the body,
Each of the plurality of ribs being spaced from the front surface and away from the rear surface,
Wherein the shape of each of the plurality of ribs along a longitudinal axis of each of the plurality of ribs is concave with respect to a crown of the golf club head,
The center of gravity of each rib of the plurality of ribs being located between the center of gravity of the golf club head and the rear face of the body,
Wherein one or more indentations protrude into the interior of the body at the rib surface and wherein a portion of the top of the plurality of ribs extends over one or more indentations so that the one or more indentations partially encloses one or more ribs of the plurality of ribs. And projecting into the interior of the body. 17. The method of claim 16,
Providing the plurality of ribs comprises:
And providing a rib surface and a plurality of ribs in the interior of the body. 18. The method of claim 17,
Providing the plurality of ribs comprises:
Arranging a plurality of ribs in a radial pattern to form a fan-like shape between the first and second ribs,
Providing the rib surface and the first, second and third ribs in the skirt portion of the body,
Placing each of the plurality of ribs away from the front face and away from the rear face,
Providing first, second and third ribs that are not crossed by any ribs,
Providing a thickness of each of the first, second and third ribs mixed into the rib surface proximate to the front surface,
And providing the plurality of ribs as recesses to a crown of the golf club head,
Providing a body of the golf club head,
Target striking zone, and
A target striking axis extending perpendicularly from the center of the target striking zone to the striking surface via the common point,
To provide a striking surface on the front side of the body,
Wherein the rib surface and the plurality of ribs comprise a single piece of material. delete delete delete delete delete delete delete delete delete

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