US20220241657A1 - Golf club comprising golf club head - Google Patents

Abstract

Provided is a golf club that allows for adjustment of the swing balance in relation to the whole golf club. A golf club head in one embodiment includes a club head and a grip. The club head has a sole portion provided with one or more attachment recesses to which weight attachment members with different weights are attachable, and the grip is provided with an attachment recess to which the weight attachment members with different weights are attachable. The weight attachment members with different weights are interchangeable between the one or more attachment recesses of the club head and between the one or more attachment recesses of the club head and the attachment recess of the grip.

Description

CROSS REFERENCE TO RELATED APPLICATIONS
• The present application is a National Stage of International Application No. PCT/JP2020/025829 filed on Jul. 1, 2020, which claims priority to and the benefit of Japanese Patent Application No. 2019-235528, filed on Dec. 26, 2019, the contents of which are incorporated herein by reference in their entirety.
FIELD
• The present disclosure relates to a golf club with a golf club head.
BACKGROUND
• Techniques for attaching a weight to a golf club head have been proposed so far to adjust the weight and weight balance of the golf club head. For example, JP 11-9742 A discloses a golf club head in which a plurality of weight attachment portions are provided on the sole portion of the club head body along a direction substantially orthogonal to the hitting surface, and weight adjustment members of appropriate weights and sizes are selectively attached to the weight attachment portions.
• In addition, techniques for attaching a balance weight to a golf club have also been proposed to increase the swing speed of the golf club. For example, JP 3052898 U discloses a golf club provided with a balance weight at the grip end of the golf club.
CITATION LISTPatent Literature
• Patent Literature 1: JP 11-9742 A
• Patent Literature 2: JP 3052898 U
SUMMARY
• Although the golf club head disclosed inPatent Literature 1 is advantageous in that it is possible to adjust the position of the center of gravity and the face angle of the club head, the golf club head is problematic in that it is difficult to avoid the influence of such adjustments to the club head on the whole golf club. On the other hand, the golf club disclosed in Patent Literature 2 is advantageous in that it is possible to increase the head speed of the golf club, but is problematic in that the influence of the attachment of the balance weight to the grip end of the golf club on the whole golf club is hardly considered.
• An object of the embodiments of the present disclosure is to provide a golf club that allows for adjustment of the swing balance in relation to the whole golf club. Other objects of the embodiments of the present disclosure will become apparent by reference to the entire description.
• A golf club according to one embodiment of the present disclosure includes a club head and a grip. The club head has a sole portion provided with one or more attachment recesses to which weight attachment members with different weights are attachable, and the grip is provided with an attachment recess to which the weight attachment members with different weights are attachable. The weight attachment members with different weights are interchangeable between the one or more attachment recesses of the club head and between the one or more attachment recesses of the club head and the attachment recess of the grip.
• In the golf club according to one embodiment of the present disclosure, the weight attachment members are attachable to both the one or more attachment recesses of the club head and the attachment recess of the grip.
• In the golf club according to one embodiment of the present disclosure, the attachment recesses of the club head are provided at three positions.
• In the golf club according to one embodiment of the present disclosure, the attachment recess of the grip is provided at an end portion of the grip.
• In the golf club according to one embodiment of the present disclosure, the one or more attachment recesses of the club head are located within 200 mm of an entire length of the golf club from an edge of the club head.
• In the golf club according to one embodiment of the present disclosure, the one or more attachment recesses of the club head are located within 25% of an entire length of the golf club as viewed from an edge of the club head.
• In the golf club according to one embodiment of the present disclosure, the attachment recess of the grip is located within 350 mm of an entire length of the golf club from an edge of the grip.
• In the golf club according to one embodiment of the present disclosure, the attachment recess of the grip is located within 50% of an entire length of the golf club as viewed from an edge of the grip.
• Various embodiments of the present disclosure allow for not only adjustment of the weight balance of the golf club head and the counterbalance of the golf club grip, but also adjustment of the swing balance in relation to the whole golf club.
BRIEF DESCRIPTION OF DRAWINGS
• FIG. 1 is a configuration diagram illustrating agolf club1 according to one embodiment.
• FIG. 2 is a schematic view illustrating asole surface20 of a golf clubgolf club head10 according to one embodiment.
• FIG. 3 is a schematic view illustrating agolf club grip30 in one embodiment.
• FIG. 4 is a perspective view illustrating aweight attachment member11 that is attached to thegolf club1 in one embodiment.
DETAILED DESCRIPTION
• Hereinafter, various embodiments of the present disclosure will be described with reference to appropriate drawings. Identical components in different drawings are denoted by the same reference signs.
• FIG. 1 is a configuration diagram schematically illustrating the configuration of agolf club1 according to one embodiment of the present disclosure with a golf club head (hereinafter may be simply referred to as a “head”)10 according to one embodiment of the present disclosure. As illustrated in the drawing, thegolf club1 in one embodiment includes agolf club grip30, a shaft S connected to thegolf club grip30, and the golf clubgolf club head10 in one embodiment coupled to the shaft S via a hosel HZ. Thegolf club grip30 is made of natural rubber, synthetic rubber, or the like. The shaft S is made of a fiber reinforced resin, a metal material, or the like, and formed in a tubular shape.
• Although thegolf club1 and the golf club head10 in one embodiment are configured as a wood club and its head, various embodiments of the present disclosure include a golf club and a head configured as an iron club and its head, and are not limited to a specific aspect. The golf club head10 (hereinafter referred to as the club head10) in one embodiment is made of a metal material such as stainless steel, titanium, or a titanium alloy, for example.
• Referring next toFIG. 2, there is shown a schematic view schematically illustrating asole surface20 of thegolf club head10 in one embodiment. As illustrated inFIG. 2, theclub head10 of thegolf club1 in one embodiment of the present disclosure is configured such that thesole surface20 of theclub head10 is provided with one or more attachment recesses12 (at three positions in the illustrated example), andweight attachment members11 with different weights are attached to theattachment recesses12 interchangeably.
• Referring next toFIG. 3, there is shown a schematic view schematically illustrating anend portion32 of the golf club grip30 (hereinafter referred to as the grip30) in one embodiment. As illustrated inFIG. 3, thegrip30 of thegolf club1 in one embodiment of the present disclosure is configured such that anattachment recess31 is formed by asleeve33 formed in theend portion32 of thegrip30, and theweight attachment members11 with different weights are attached to the attachment recess31 interchangeably.
• Thegolf club1 according to one embodiment of the present disclosure will be described in more detail with reference toFIGS. 1, 2, and 3. Thegolf club1 according to one embodiment of the present disclosure includes theclub head10 and thegrip30. Theclub head10 has the sole portion (sole element)20 provided with the one ormore attachment recesses12 to which theweight attachment members11 with different weights are attachable, and thegrip30 is provided with the attachment recess12 to which theweight attachment members11 with different weights are attachable. Theweight attachment members11 with different weights are interchangeable between the one ormore attachment recesses12 of theclub head10 and between the one ormore attachment recesses12 of the club head and the attachment recess31 of thegrip30.
• In thegolf club1 according to one embodiment of the present disclosure, theweight attachment members11 are attachable to both the one ormore attachment recesses12 of theclub head10 and the attachment recess31 of thegrip30.
• Thegolf club1 according to one embodiment of the present disclosure allows for not only adjustment of the weight balance of the golf club head and the counterbalance of the golf club grip, but also adjustment of the swing balance in relation to the whole golf club.
• As illustrated inFIG. 2, in thegolf club1 according to one embodiment of the present disclosure, the attachment recesses12 of theclub head10 are provided at three positions. However, the number ofattachment recesses12 provided in theclub head10 may be two or more than three.
• In thegolf club1 according to one embodiment of the present disclosure, the attachment recess12 of thegrip30 is provided at theend portion32 of thegrip30.
• Thegolf club1 according to one embodiment of the present disclosure will be described with reference toFIG. 1. In thegolf club1 according to one embodiment of the present disclosure, the one or more attachment recesses12 of theclub head10 are located within 200 mm of an entire length L of thegolf club1 from the edge (end) of theclub head10 or from theclub head10 side.
• In addition, in thegolf club1 according to one embodiment of the present disclosure, the one or more attachment recesses12 of theclub head10 are located within 25% of the entire length L of thegolf club1 as viewed from the edge (end) of theclub head10 or from theclub head10 side.
• Furthermore, in thegolf club1 according to one embodiment of the present disclosure, the attachment recess31 of thegrip30 is located within 350 mm of the entire length L of thegolf club1 from the edge (end) of thegrip30 or from thegrip30 side.
• Moreover, in thegolf club1 according to one embodiment of the present disclosure, the attachment recess31 of thegrip30 is located within 50% of the entire length L of thegolf club1 as viewed from the edge (end) of thegrip30 or from thegrip30 side.
• Thegolf club1 according to one embodiment of the present disclosure allows for not only adjustment of the weight balance of the golf club head and the counterbalance of the golf club grip, but also more accurate adjustment of the swing balance in relation to the whole golf club.
• Referring next toFIG. 4, there is shown an example of theweight attachment members11. In order to use theweight attachment members11 with different weights as described above, theweight attachment members11 with various weights can be formed using different materials, for example. Examples of materials of theweight attachment members11 can include, but are not limited to, an aluminum alloy, stainless steel, a titanium alloy, and a tungsten alloy. More specifically, the attachment members with different weights can be exemplified by a weight attachment member11ahaving a weight of 3 g, a weight attachment member11bhaving a weight of 4 g, a weight attachment member11chaving a weight of 7 g, and a weight attachment member11dhaving a weight of 6 g, which will be further described below.
• As one aspect, thegolf club1 according to one embodiment of the present disclosure may be configured by using the weight attachment members11a,11b, and11cfor theclub head10 and the weight attachment member11dfor thegrip30. In this case, the moment of inertia of the club is 2.9 million (S.B is C8.5). In such an aspect, it is possible to form a golf club whose swing balance is advantageous for users with a head speed (HS) of about 44 m/s to have ease of swing which ensures maximum performance of carry distance and direction control.
• As another aspect, thegolf club1 according to one embodiment of the present disclosure may be configured by using the weight attachment members11b,11c, and11dfor theclub head10 and the weight attachment member11afor thegrip30. In this case, the moment of inertia of the club is 2.95 million (S.B is D1.4). In such an aspect, it is possible to form a golf club whose swing balance is advantageous for users with a head speed (HS) of about 47 m/s to have ease of swing which ensures maximum performance of carry distance and direction control.
• As another aspect, thegolf club1 according to one embodiment of the present disclosure may be configured by using the weight attachment members11a,11c, and11dfor theclub head10 and the weight attachment member11bfor thegrip30. In this case, the moment of inertia of the club is 2.93 million (S.B is D0.4). In such an aspect, it is possible to form a golf club whose swing balance is advantageous for users with a head speed (HS) of about 46 m/s to have ease of swing which ensures maximum performance of carry distance and direction control.
• As still another aspect, thegolf club1 according to one embodiment of the present disclosure may be configured by using the weight attachment members11a,11b, and11dfor theclub head10 and the weight attachment member11cfor thegrip30. In this case, the moment of inertia of the club is 2.87 million (S.B is C7.5). In such an aspect, it is possible to form a golf club whose swing balance is advantageous for users with a head speed (HS) of about 42 m/s to have ease of swing which ensures maximum performance of carry distance and direction control.
• As described above, thegolf club1 according to one embodiment of the present disclosure allows for more accurate adjustment of the swing balance in relation to the whole golf club, not to a part of the golf club head or the grip, without changing the weight of the whole golf club.
• The dimensions, materials, and arrangements of the components described herein are not limited to those explicitly described in the embodiments. These components may be modified to have any dimensions, materials, and arrangements that may fall within the scope of the present disclosure. In addition, components not explicitly described herein can be added to the described embodiments, or some of the components described in the embodiments can be removed.
REFERENCE SIGNS LIST
• 1 golf club
• 10 golf club head
• 11 weight attachment member
• 12 attachment recess
• 20 sole surface
• 30 golf club grip
• 31 attachment recess
• 32 end portion
• 33 sleeve

Claims (8)

1. A golf club comprising a club head and a grip, wherein

the club head has a sole portion provided with one or more attachment recesses to which weight attachment members with different weights are attachable, and the grip is provided with an attachment recess to which the weight attachment members with different weights are attachable, and

the weight attachment members with different weights are interchangeable between the one or more attachment recesses of the club head and between the one or more attachment recesses of the club head and the attachment recess of the grip.

2. The golf club according toclaim 1, wherein the weight attachment members are attachable to both the one or more attachment recesses of the club head and the attachment recess of the grip.

3. The golf club according toclaim 1, wherein the attachment recesses of the club head are provided at three positions.

4. The golf club according toclaim 1, wherein the attachment recess of the grip is provided at an end portion of the grip.

5. The golf club according toclaim 1, wherein the one or more attachment recesses of the club head are located within 200 mm of an entire length of the golf club from an edge of the club head.

6. The golf club according toclaim 1, wherein the one or more attachment recesses of the club head are located within 25% of an entire length of the golf club as viewed from an edge of the club head.

7. The golf club according toclaim 1, wherein the attachment recess of the grip is located within 350 mm of an entire length of the golf club from an edge of the grip.

8. The golf club according toclaim 1, wherein the attachment recess of the grip is located within 50% of an entire length of the golf club as viewed from an edge of the grip.

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