US20100056294A1 - Golf Club Head and Hosel Weight - Google Patents
Golf Club Head and Hosel Weight Download PDFInfo
- Publication number
- US20100056294A1 US20100056294A1 US12/202,614 US20261408A US2010056294A1 US 20100056294 A1 US20100056294 A1 US 20100056294A1 US 20261408 A US20261408 A US 20261408A US 2010056294 A1 US2010056294 A1 US 2010056294A1
- Authority
- US
- United States
- Prior art keywords
- hosel
- golf club
- weight
- longitudinal axis
- club head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/02—Joint structures between the head and the shaft
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/047—Heads iron-type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B2053/0491—Heads with added weights, e.g. changeable, replaceable
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0466—Heads wood-type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0487—Heads for putters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- This invention relates generally to golf equipment and, in particular, to a golf club head.
- U.S. Pat. No. 6,206,790 to Kubica et al discloses an iron-type golf club head with a heel portion, a toe portion and a front face arranged for impact with a golf ball.
- golf club heads such as shown in the Kubica et al patent may be designed so that their center of gravity is directly behind or near the golf ball impact zone which may be located at the geometric center of the front face. The moment of inertia of a golf club head can be increased by positioning more weight in the heel and toe portions of the golf club head.
- FIG. 1 is a perspective view of a golf club head including a hosel into which a hosel weight according to the present invention is mounted;
- FIG. 2 is an enlarged view of a heel portion of the golf club head of FIG. 1 ;
- FIG. 3 is a sectional view taken along lines 3 - 3 in FIG. 2 ;
- FIG. 4 is an enlarged view similar to FIG. 2 with the hosel weight removed;
- FIG. 5 is an exploded view of the heel portion of the golf club head shown in FIG. 2 ;
- FIG. 6 is a cross-sectional view similar to FIG. 5 ;
- FIGS. 7-9 are enlarged views showing different embodiments of the club head hosel.
- an iron-type golf club head H includes a body B with a sole 10 , a top edge 12 , a heel portion 14 , a toe portion 16 and a front face 18 arranged for impacting a golf ball. Front face 18 extends between the heel and toe portions 14 , 16 .
- the golf club head H also includes a hosel 20 with a generally cylindrical shape on the heel portion 14 of the body B.
- the hosel 20 has a longitudinal axis A and a generally cylindrical bore 22 defined by its peripheral wall 26 for receiving a hosel weight 24 .
- the hosel bore 22 is offset (i.e. not concentric) with respect to the longitudinal axis A.
- the heel portion 14 of the body B includes a shoulder 15 adjacent a lower end of the hosel bore 22 .
- Mounted in the hosel 20 is the hosel weight 24 .
- the hosel weight 24 may be fastened in the hosel 20 by conventional means such as adhesive or mechanical devices.
- FIGS. 1-5 may depict an iron-type golf club head, the apparatus and methods described herein may be applicable to other suitable types of golf club heads (e.g., driver-type golf club heads, fairway wood-type golf club heads, hybrid-type golf club heads, wedge-type golf club heads, putter-type golf club heads, etc.).
- the hosel weight 24 has a longitudinal axis C and a generally cylindrical bore 28 which receives one end of a golf club shaft (not shown).
- a golf club shaft not shown.
- the hosel weight bore 28 is offset (i.e., not concentric) with respect to the longitudinal axis C of the hosel weight 24 . Therefore, a peripheral wall 30 of the hosel weight 24 that defines the bore 28 has a varying thickness dimension. As shown in FIG. 3 , the peripheral wall 30 has a thickness dimension T 1 at its thickest point and a thickness dimension T 2 at its thinnest point.
- the hosel weight 24 may be positioned so that its longitudinal axis C is offset from the hosel longitudinal axis A in a direction extending generally from the toe portion 16 toward the heel portion 14 .
- the hosel weight 24 may be rotated 180 degrees from the position shown in FIG. 3 so that its longitudinal axis C is offset from the hosel longitudinal axis A in a direction extending generally from the heel portion 14 toward the toe portion 16 . It will be understood that in this alternative position, thickness dimension T 1 of the hosel weight peripheral wall 30 is shifted 180 degrees from where it is located in FIG. 3 .
- the hosel 20 may also be modified so that its bore 22 is offset with respect to the longitudinal axis A toward the body toe portion 16 instead of toward the body heel portion 14 .
- the body B including the hosel 20 is made of metallic material such as steel having a first density while the hosel weight 24 is made of a metallic material such as tungsten having a second density which is greater than the first density.
- the body B including the hosel 20 is made of titanium and the hosel weight is made of either zirconium or tungsten.
- the body B including the hosel 20 is made of composite material and the hosel weight 24 is made of either metal or another composite material. It is preferred, but not required, that the material (i.e. tungsten or zirconium) forming the hosel weight 24 will have a higher density than the material (i.e. steel or titanium) forming the body B including the hosel 20 .
- the hosel weight 24 adds mass to the hosel 20 which increases the moment of inertia of the club head H.
- the amount of mass added to the hosel 20 is significantly increased and the moment of inertia of the club head H is significantly increased when the hosel weight 24 is made of denser material, as described above, than the body B.
- the center of gravity of the club head H is shifted toward the heel portion 14 of the body B.
- the hosel bore 22 is offset (i.e. not concentric) with respect to the longitudinal axis A of the hosel 20 .
- This offset results in the peripheral wall 26 of the hosel 20 having a varying thickness dimension similar to the varying thickness dimension of the peripheral wall 30 of the hosel weight 24 .
- the combination of the hosel 20 and the hosel weight 24 results in hosel weight bore 28 being centered with respect to the outer periphery of the hosel 20 when the hosel weight 24 is mounted in the hosel bore 22 .
- hosels 20 a, 20 b and 20 c are similar to hosel 20 except that their bores 22 a, 22 b, and 22 c have different shapes than the cylindrical bore 22 in hosel 20 .
- the bore 22 a in hosel 20 a is rectangular and the longitudinal axis C of the hosel weight 24 is offset from the hosel longitudinal axis A.
- the bore 22 b in hosel 20 b is polygonal and the longitudinal axis C of the hosel weight 24 is offset from the hosel longitudinal axis A.
- the bore 22 c in hosel 20 c is elliptical and the longitudinal axis C of the hosel weight 24 is offset from the hosel longitudinal axis A.
- the peripheral walls 26 a, 26 b and 26 c that define the bores 22 a, 22 b and 22 c have a thickness dimension T 1 at their thickest point and a thickness dimension T 2 at their thinnest point.
- thickness dimension T 1 is greater than thickness dimension T 2 .
- the hosel weight 24 when using the hosels 20 a, 20 b and 20 c, the hosel weight 24 will be modified to have an outer shape that is complimentary to the bores 22 a, 22 b and 22 c.
- the hosel weight 24 when using the hosel 20 a, the hosel weight 24 will be modified to have a generally rectangular outer shape.
- the hosel weight 24 When using the hosel 20 b, the hosel weight 24 will be modified to have a generally polygonal outer shape and, when using the hosel 20 c, the hosel weight 24 will be modified to have a generally elliptical outer shape.
Abstract
A golf club head includes a body having a front face for impacting a golf ball and a hosel having a bore. The body including the hosel may be made of a material such as steel. A hosel weight mounted in the hosel bore may be made of another material such as tungsten which has a greater density than the material forming the body. The hosel weight has a bore for receiving one end of a golf club shaft.
Description
- This invention relates generally to golf equipment and, in particular, to a golf club head.
- U.S. Pat. No. 6,206,790 to Kubica et al discloses an iron-type golf club head with a heel portion, a toe portion and a front face arranged for impact with a golf ball. In one example, golf club heads such as shown in the Kubica et al patent may be designed so that their center of gravity is directly behind or near the golf ball impact zone which may be located at the geometric center of the front face. The moment of inertia of a golf club head can be increased by positioning more weight in the heel and toe portions of the golf club head.
-
FIG. 1 is a perspective view of a golf club head including a hosel into which a hosel weight according to the present invention is mounted; -
FIG. 2 is an enlarged view of a heel portion of the golf club head ofFIG. 1 ; -
FIG. 3 is a sectional view taken along lines 3-3 inFIG. 2 ; -
FIG. 4 is an enlarged view similar toFIG. 2 with the hosel weight removed; -
FIG. 5 is an exploded view of the heel portion of the golf club head shown inFIG. 2 ; -
FIG. 6 is a cross-sectional view similar toFIG. 5 ; and -
FIGS. 7-9 are enlarged views showing different embodiments of the club head hosel. - Referring to
FIGS. 1-5 , an iron-type golf club head H includes a body B with a sole 10, atop edge 12, aheel portion 14, atoe portion 16 and afront face 18 arranged for impacting a golf ball.Front face 18 extends between the heel andtoe portions hosel 20 with a generally cylindrical shape on theheel portion 14 of the body B. Thehosel 20 has a longitudinal axis A and a generallycylindrical bore 22 defined by itsperipheral wall 26 for receiving ahosel weight 24. Thehosel bore 22 is offset (i.e. not concentric) with respect to the longitudinal axis A. Theheel portion 14 of the body B includes ashoulder 15 adjacent a lower end of thehosel bore 22. Mounted in thehosel 20 is thehosel weight 24. Thehosel weight 24 may be fastened in thehosel 20 by conventional means such as adhesive or mechanical devices. AlthoughFIGS. 1-5 may depict an iron-type golf club head, the apparatus and methods described herein may be applicable to other suitable types of golf club heads (e.g., driver-type golf club heads, fairway wood-type golf club heads, hybrid-type golf club heads, wedge-type golf club heads, putter-type golf club heads, etc.). - The
hosel weight 24 has a longitudinal axis C and a generallycylindrical bore 28 which receives one end of a golf club shaft (not shown). When thehosel weight 24 is mounted in thehosel bore 22, itsbore 28 is concentric with the hosel longitudinal axis A and thehosel weight 24 contacts theshoulder 15. Thehosel weight bore 28 is offset (i.e., not concentric) with respect to the longitudinal axis C of thehosel weight 24. Therefore, aperipheral wall 30 of thehosel weight 24 that defines thebore 28 has a varying thickness dimension. As shown inFIG. 3 , theperipheral wall 30 has a thickness dimension T1 at its thickest point and a thickness dimension T2 at its thinnest point. This results in thehosel weight 24 having significantly more mass in the vicinity of the thickness dimension T1 than in the vicinity of the thickness dimension T2. As seen inFIG. 3 , thehosel weight 24 may be positioned so that its longitudinal axis C is offset from the hosel longitudinal axis A in a direction extending generally from thetoe portion 16 toward theheel portion 14. - Alternatively, the
hosel weight 24 may be rotated 180 degrees from the position shown inFIG. 3 so that its longitudinal axis C is offset from the hosel longitudinal axis A in a direction extending generally from theheel portion 14 toward thetoe portion 16. It will be understood that in this alternative position, thickness dimension T1 of the hosel weightperipheral wall 30 is shifted 180 degrees from where it is located inFIG. 3 . Thehosel 20 may also be modified so that itsbore 22 is offset with respect to the longitudinal axis A toward thebody toe portion 16 instead of toward thebody heel portion 14. - In one embodiment, the body B including the
hosel 20 is made of metallic material such as steel having a first density while thehosel weight 24 is made of a metallic material such as tungsten having a second density which is greater than the first density. Alternatively, in other embodiments, the body B including thehosel 20 is made of titanium and the hosel weight is made of either zirconium or tungsten. In further embodiments, the body B including thehosel 20 is made of composite material and thehosel weight 24 is made of either metal or another composite material. It is preferred, but not required, that the material (i.e. tungsten or zirconium) forming thehosel weight 24 will have a higher density than the material (i.e. steel or titanium) forming the body B including thehosel 20. - The
hosel weight 24 adds mass to thehosel 20 which increases the moment of inertia of the club head H. The amount of mass added to thehosel 20 is significantly increased and the moment of inertia of the club head H is significantly increased when thehosel weight 24 is made of denser material, as described above, than the body B. With thehosel weight 24 mounted in thehosel 20, the center of gravity of the club head H is shifted toward theheel portion 14 of the body B. - As stated above, the
hosel bore 22 is offset (i.e. not concentric) with respect to the longitudinal axis A of thehosel 20. This offset results in theperipheral wall 26 of thehosel 20 having a varying thickness dimension similar to the varying thickness dimension of theperipheral wall 30 of thehosel weight 24. The combination of thehosel 20 and thehosel weight 24 results in hosel weight bore 28 being centered with respect to the outer periphery of thehosel 20 when thehosel weight 24 is mounted in thehosel bore 22. - Referring to
FIGS. 7-9 ,hosels hosel 20 except that theirbores cylindrical bore 22 inhosel 20. For example, the bore 22 a inhosel 20 a is rectangular and the longitudinal axis C of thehosel weight 24 is offset from the hosel longitudinal axis A. Thebore 22 b inhosel 20 b is polygonal and the longitudinal axis C of thehosel weight 24 is offset from the hosel longitudinal axis A. Thebore 22 c inhosel 20 c is elliptical and the longitudinal axis C of thehosel weight 24 is offset from the hosel longitudinal axis A. In thehosels peripheral walls bores hosels - It will be understood that when using the
hosels hosel weight 24 will be modified to have an outer shape that is complimentary to thebores hosel 20 a, thehosel weight 24 will be modified to have a generally rectangular outer shape. When using thehosel 20 b, thehosel weight 24 will be modified to have a generally polygonal outer shape and, when using thehosel 20 c, thehosel weight 24 will be modified to have a generally elliptical outer shape.
Claims (24)
1. A golf club head comprising:
a body having a heel portion, a toe portion and front face extending between said heel and toe portions for impacting a golf ball;
said body including a hosel having a longitudinal axis and a bore; and
a hosel weight mounted in said hosel bore, said hosel weight having a longitudinal axis and a bore for receiving one end of a golf club shaft, said hosel weight longitudinal axis being offset from said hosel longitudinal axis.
2. The golf club head of claim 1 , wherein said hosel weight bore is offset with respect to said hosel weight longitudinal axis.
3. The golf club head of claim 2 , wherein said hosel weight has a peripheral wall defining its bore, and wherein said hosel weight peripheral wall has a varying thickness dimension.
4. The golf club head of claim 3 , wherein said hosel bore is offset with respect to said hosel longitudinal axis.
5. The golf club head of claim 4 , wherein said hosel weight bore is concentric with respect to said hosel longitudinal axis.
6. The golf club head of claim 1 , wherein:
said body is made of a material having a first density;
said hosel weight is made of a material having a second density; and
said second density is greater than said first density.
7. The golf club head of claim 6 , wherein said body including said hosel is made of steel and wherein said hosel weight is made of tungsten.
8. The golf club head of claim 6 , wherein said body including said hosel is made of titanium and wherein said hosel weight is made of zirconium.
9. The golf club head of claim 6 , wherein said body including said hosel is made of titanium and wherein said hosel weight is made of tungsten.
10. The golf club head of claim 1 , wherein said hosel weight longitudinal axis is offset relative to said hosel longitudinal axis in a direction extending generally from said body toe portion toward said body heel portion.
11. The golf club head of claim 1 , wherein said hosel bore is generally cylindrical.
12. An iron-type golf club head comprising:
a body having a sole, a top edge, a heel portion, a toe portion and front face extending between said heel and toe portions for impacting a golf ball;
said body including a hosel adjacent said heel portion, said hosel having a longitudinal axis and a bore; and
a hosel weight mounted in said hosel bore, said hosel weight having a longitudinal axis and a bore for receiving one end of a golf club shaft, said hosel weight longitudinal axis being offset from said hosel longitudinal axis.
13. The iron-type golf club head of claim 12 , wherein said hosel weight bore is offset with respect to said hosel weight longitudinal axis.
14. The iron-type golf club head of claim 13 , wherein said hosel weight has a peripheral wall defining its bore, and wherein said hosel weight peripheral wall has a varying thickness dimension.
15. The iron-type golf club head of claim 14 , wherein said hosel bore is offset with respect to said hosel longitudinal axis.
16. The iron-type golf club head of claim 15 , wherein said hosel weight bore is concentric with respect to said hosel longitudinal axis.
17. The iron-type golf club head of claim 12 , wherein:
said body is made of a material having a first density;
said hosel weight is made of a material having a second density; and
said second density is greater than said first density.
18. The iron-type golf club head of claim 17 , wherein said body including said hosel is made of steel and wherein said hosel weight is made of tungsten.
19. The iron-type golf club head of claim 17 , wherein said body including said hosel is made of titanium and wherein said hosel weight is made of zirconium.
20. The iron-type golf club head of claim 17 , wherein said body including said hosel is made of titanium and wherein said hosel weight is made of tungsten.
21. The iron-type golf club head of claim 12 , wherein said hosel weight longitudinal axis is offset relative to said hosel longitudinal axis in a direction extending generally from said body toe portion toward said body heel portion.
22. The iron-type golf club head of claim 12 , wherein said hosel bore is generally cylindrical.
23. A method of making a golf club head comprising:
providing a body having a heel portion, a toe portion, a front face extending between said heel and toe portions for impacting a golf ball, and a hosel having a longitudinal axis and bore; and
mounting a hosel weight having a longitudinal axis in said hosel bore so that a bore in said hosel weight receives one end of a golf club shaft with said hosel weight longitudinal axis being offset from said hosel longitudinal axis.
24. The method of claim 23 , wherein said hosel weight longitudinal axis is offset relative to said hosel longitudinal axis in a direction extending generally from said body toe portion toward said body heel portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/202,614 US20100056294A1 (en) | 2008-09-02 | 2008-09-02 | Golf Club Head and Hosel Weight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US12/202,614 US20100056294A1 (en) | 2008-09-02 | 2008-09-02 | Golf Club Head and Hosel Weight |
Publications (1)
Publication Number | Publication Date |
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US20100056294A1 true US20100056294A1 (en) | 2010-03-04 |
Family
ID=41726299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/202,614 Abandoned US20100056294A1 (en) | 2008-09-02 | 2008-09-02 | Golf Club Head and Hosel Weight |
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US (1) | US20100056294A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120071270A1 (en) * | 2010-09-22 | 2012-03-22 | Takashi Nakano | Iron type golf club head |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120071270A1 (en) * | 2010-09-22 | 2012-03-22 | Takashi Nakano | Iron type golf club head |
US9011270B2 (en) * | 2010-09-22 | 2015-04-21 | Sri Sports Limited | Iron type golf club head |
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