US20050096148A1 - Golf club head with shaft locating device - Google Patents
Golf club head with shaft locating device Download PDFInfo
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- US20050096148A1 US20050096148A1 US10/698,697 US69869703A US2005096148A1 US 20050096148 A1 US20050096148 A1 US 20050096148A1 US 69869703 A US69869703 A US 69869703A US 2005096148 A1 US2005096148 A1 US 2005096148A1
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- Prior art keywords
- bore
- shaft
- locating device
- shaft locating
- club head
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- 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.)
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- 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
Definitions
- the present invention relates to an improved connection of a golf club shaft to the head of a golf club.
- a key facet in manufacturing or assembling golf clubs is the head-to-shaft attachment. Because of the generally high mechanical stress which can occur at this interface, the connection between the two components needs to be sufficiently strong to withstand a golfer's swing, the impact of a golf ball, as well as the club impacting the ground.
- prior art golf clubs are assembled by affixing the outer surface of one end of a golf club shaft, via the use of an adhesive, such as an epoxy, to the inner surface of a bore either in the club head or in the interior portion of a hosel extending from the club head. In order to ensure that there is adequate space between the shaft and the bore hole for an adequate quantity of adhesive to bind the surfaces, sufficient space must exist between these surfaces.
- the golf club shaft Due to the space or tolerance between the shaft and the interior surface of the bore hole, there is a gap or room for the golf club shaft to shift and vary in location depending upon the amount of space between the shaft and the bore hole. Indeed, depending upon the amount of tolerance, the end result is that the axis of the golf club shaft, after the adhesive has solidified or otherwise set, can vary by significant amounts. The possibility for such variation can result in the golf club shaft not being properly aligned to the golf club head and, accordingly, assembled golf clubs employing the same golf club heads and shafts may vary from club to club. Additionally, such variation in the location of the shaft axis relative to the head of the golf club causes unpredictable variations in lie angle, face angle, and face progression.
- the present invention overcomes the limitations of the prior art by using a unique and previously unknown shaft locating device for receiving and locating the shaft within the golf club head bore or hosel.
- a golf club used with the present invention preferably comprises a head having a top side or surface, a bottom side or surface, and a front face wall for impacting a golf ball.
- the golf club head is also defined as having a heel end and a toe end, the heel end being the end of the golf club which is closest to the golfer when the golf club is at address.
- the toe end of the golf club is the end of the golf club which is furthest away from the golfer when the golf club is at address:
- Golf club heads used with the present invention preferably have a bore hole disposed in or near the heel end of the golf club.
- the bore hole preferably has an opening in the top side or surface of the golf club and extends into the golf club and towards the bottom side or surface of the golf club.
- the bore may extend any number of depths into the golf club head and, indeed, even through the golf club head.
- the location of the bore hole within a golf club may vary Alternatively, the golf club head may have a hosel, or other extension, extending up from the top side or surface of the golf club head.
- the location of the bore, and whether it is located within the golf club head, outside of the golf club head, both in and outside the golf club head, or otherwise affixed to the golf club head, has no bearing on the operation, scope or teaching of the present invention.
- the bore of the golf club head has an inner surface having an upper and a lower end.
- the upper end of the bore hole preferably has adequate dimensions to receive the shaft locating device of the present invention.
- the shaft locating device is preferably inserted, or otherwise placed or formed, into the upper end of the bore hole.
- the shaft locating device may be a separate component that is placed into the upper end of the bore hole or, alternatively, formed as an integral component of the golf club or hosel. Further, the shaft locating device may also be located and offset partially into the depth of the bore hole or hosel.
- the shaft locating device if a separate component, preferably has an outer surface that adequately conforms to at least a portion of the inner surface of the upper end of the bore hole. While in one preferred embodiment the present invention has a shaft locating device which is circular in shape, the invention encompasses any embodiments in which the shaft locating device may be affixed to the bore hole or otherwise formed as a component thereof.
- the shaft locating device of the present invention preferably has a bore therein, said bore having an axis, through which the end of the shaft which is affixed to the golf club head is inserted.
- the diameter of the bore in the shaft locating device is preferably either an interference fit with the corresponding diameter, or other shape, of the portion of the shaft which as adjacent thereto when assembled, or of sufficiently close tolerance to preclude the shaft from shifting relative thereto.
- the bottom, or tip, of the shaft is preferably inserted into the bottom of the bore hole in the golf club head.
- the bottom of the bore hole in the golf club head preferably has a narrowed portion, cup, socket, or other cavity into which the tip of the shaft is seated. While this element is not essential to the invention, if used, it will provide greater consistency in the uniform location of the shaft, and axis thereof, from assembled golf club to golf club.
- the location of the bore in the shaft locating device preferably locates the shaft in a preferred and consistent location.
- the location and axis of the shaft relative to the golf dub head win be fixed and, indeed, repeatable from golf club to golf club.
- the present invention may also be employed to, preferably, locate a shaft at preferred locations within the parameters of a bore hole.
- the present invention may be used for such purposes as well.
- the present invention is a new, unique and useful apparatus and method for more accurately and consistently locating a shaft within a golf club head bore or hosel.
- the present invention also provides a more aesthetically pleasing and consistent appearance between the golf club head and shaft.
- the present invention also permits the use of shafts of varying outer diameters, and even dimensions, in a golf club head or hosel without varying the diameter of the club head bore. Additional advantages of the present invention are described herein and others will be apparent and obvious to those of ordinary skill in the art.
- FIG. 1 is a cross-sectional view of a portion of the front of a golf club of one embodiment according to the present invention
- FIG. 2 is a cross-sectional view of a portion of the front of a golf cub of one embodiment of the present invention, without a shaft connected to the head of the golf club;
- FIG. 3 is cross-sectional view of an unassembled portion of the front of a golf club, one embodiment of the shaft locating device of the present invention, and a portion of a shaft;
- FIG. 4 is a cross-sectional view of one embodiment of the shaft locating device according to the present invention.
- FIG. 5 is a cross-sectional front view of another embodiment of the shaft locating device, according to the present invention.
- FIG. 6 is a top view of the shaft locating device shown in FIG. 5 .
- a golf club such as an iron
- the head 10 of the present invention may be of any suitable configuration, including a conventional configuration with a heel end 16 and toe end (not shown), and encompasses any type of golf club including, for example, what have conventionally been referred to as irons, woods, putters, wedges, and the like.
- the club head 10 is preferably cast from suitable metal, such as titanium or stainless steel, but other materials and manufacturing methods as are known to those of ordinary skill in the art, such as forging, wood fabrication, composite materials, as well as any new materials may be used.
- the head 10 preferably has a top side or top surface 18 , a bottom side or bottom surface 20 , and a front face wall 22 for impacting a golf ball.
- the front, face wall 22 conventionally extends between the heel end 16 and toe end along a frontal portion of the head 10 .
- a bore 12 is preferably positioned near the heel end 16 of the head extending from, the top surface 18 of the club 10 down toward the bottom surface 20 of the club head 10 .
- the location of the bore 12 may vary from club to club, or club design to club design.
- the golf club head 10 may, or may not, have a hosel 24 , or other extension, extending up from the heel end 16 or top surface 18 of the golf club head 10 .
- the location of the bore 12 and whether it is located within the golf club head 10 , outside of the golf club head 10 , both in and outside the golf club head 10 , or otherwise affixed to the golf club head 10 , has no bearing on the operation, scope or teaching of the present invention.
- the bore 12 may extend any number of depths into the golf club head 10 , even through the golf club head 10 , or any variation of depth into a hosel 24 . Moreover, the location of the bore 12 within a golf club head 10 may vary. As shown in FIGS. 1-3 , the golf club head may have a hosel 24 , or other extension, extending up from the top surface 18 of the golf club head 10 which has a bore 12 therein. Alternatively, with certain club heads, particularly drivers, the upper end 26 of the bore 12 may be substantially flush with the top surface 18 of the head 10 , or have a portion extending up from the top surface 18 to, generally, entirely or partially receive a shaft 14 .
- the bore 12 of the present invention preferably has an inner surface 28 having a upper end 26 and a bottom end 30 .
- a shaft locating device 32 is preferably formed of a material such as plastic or a soft metal, such as brass or aluminum.
- the shaft locating device 32 preferably has an outer peripheral surface 34 . At least a portion of the outer peripheral surface 34 of the shaft locating device 32 is, in one embodiment, inserted, or otherwise placed or formed, into the upper end 26 of the bore 12 of the club head 10 .
- the portion of the shaft locating device 32 that is inserted into the upper end 26 of the bore, 12 is preferably seated in a groove or counterbore 36 that surrounds the upper end 26 of the bore 12 .
- the shaft locating device 32 is inserted into a bore 12 that has a uniform inner diameter and lacks a groove 36 .
- the shaft locating device 32 of the present invention if a separate component, preferably has an outer peripheral surface 34 that generally conforms to the shape of at least a portion of the inner surface 28 of the bore 12 . In one preferred embodiment, at least a portion of the outer peripheral surface 34 of the shaft locating device 32 is secured in the inner surface of the upper end 26 of the bore 12 of the club head 10 .
- any number of products or methods may be used to secure the shaft locating device 32 within the upper end 26 of the bore 12 , including, for example, adhesives, pins, keys, and interlocking mechanisms.
- the outer peripheral surface 34 of the shaft locating device 32 can form an interference fit with the corresponding upper end 26 of the bore 12 when assembled, or of sufficiently close tolerance to preclude the shaft locating device 32 from shifting relative thereto.
- the present invention has a shaft locating device 32 that has a circular cross-sectional shape
- the present invention is not so limited. Rather, the peripheral shape of the shaft locating device 32 of the present invention may take any shape or form.
- the shaft locating device 32 preferably has a bore 38 extending therethrough.
- the shape of the bore 38 through the shaft locating device 32 is not limited to having a uniform diameter, rather, the bore 38 will preferably have a shape which closely approximates the shape of the corresponding portion of the shaft 14 which will be positioned in the shaft locating device 32 when the golf club is assembled.
- the shaft 14 may be made of any materials known to those in the art including, for example, steel or graphite composite.
- the shaft locating device 32 of the present invention is also not limited to being a separate component which is assembled in the bore 12 of the club head 10 .
- the present invention encompasses, among other embodiments, embodiments in which the shaft locating device 32 may be formed or fabricated as an integral component of the golf club head 10 or hosel 24 .
- the shaft locating device 32 when assembled, as shown in FIG. 1 , the shaft locating device 32 includes an upper portion 40 that extends upwardly from the club head 10 and a lower portion 42 that is inserted into the bore 12 .
- the upper portion 40 of the shaft locating device 32 can provide a more aesthetically pleasing and consistent transition between the golf club head 10 and shaft 14 .
- the entire shaft locating device 32 is inserted into the bore 12 , with the upper portion 40 remaining flush with the upper end of the bore 12 and no upper portion 40 extending out of the head 10 of the golf club.
- the shaft locating device can be placed entirely within the bore 12 so that the upper portion 40 is also located completely within the bore 12 , but not flush with the top surface 18 of the club head 10 .
- the bottom end 30 of the bore 12 preferably has a narrowed portion 44 , or a cup, socket, or other cavity into which the bottom end 46 of the shaft 14 is seated.
- the narrowed portion 44 along with the shaft locating device 32 , serves to align the shaft 14 in the bore 12 , and, by relationship, the club head 10 . While the narrowed portion 44 is not essential to the invention, if used, it will provide greater consistency in the uniform location of the shaft 14 , and axis thereof, from assembled golf club to golf club.
- the bottom end 46 of the shaft 14 is preferably inserted into the bottom end 30 of the bore 12 .
- the portion of the shaft 14 that extends into the bore 12 can, in yet another embodiment, preferably be affixed to the bore 12 or golf club by using methods known in the art, such as, for example, adhesives, screws, or other fastening methods or devices.
- the shaft locating device 32 of the present invention preferably has a passageway or bore 38 therein, said bore 38 has an axis, through which the bottom end 46 of the shaft 14 is inserted.
- the diameter or other shape of the bore 38 in the shaft locating device 32 is preferably either an interference fit with the corresponding diameter or shape of the portion of the shaft 14 which as adjacent thereto when assembled, or of sufficiently close tolerance to preclude the shaft 14 from shifting relative thereto.
- the location of the bore 38 in the shaft locating device 32 locates the shaft 14 in a preferred and consistent location.
- the close tolerance or interference fit between the bore 38 of the shaft locating device 32 and the portion of the shaft 14 that is adjacent thereto eliminates or significantly reduces shifting and variations in alignment of the shaft 14 within the bore 12 as occurs in prior art golf clubs.
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Abstract
The present invention relates to an improved connection of a golf club shaft to the head of a golf club and methods for making the improved connection. A golf club according to the present invention includes a club head having a top surface, a bottom surface, a front face wall for impacting a golf ball, a heel portion and toe portion. A bore is disposed in the heel end of the club head and extends from the top surface of the club head toward the bottom surface of the club head. A shaft locating device is inserted into the upper end of the bore. A shaft locating bore, for accurately locating the shaft in a preferred and consistent location, extends through the entire length of the shaft locating device. The tip of a shaft is inserted in and extends through the shaft locating bore and into the bore in the club head.
Description
- The present invention relates to an improved connection of a golf club shaft to the head of a golf club.
- A key facet in manufacturing or assembling golf clubs is the head-to-shaft attachment. Because of the generally high mechanical stress which can occur at this interface, the connection between the two components needs to be sufficiently strong to withstand a golfer's swing, the impact of a golf ball, as well as the club impacting the ground. Generally, prior art golf clubs are assembled by affixing the outer surface of one end of a golf club shaft, via the use of an adhesive, such as an epoxy, to the inner surface of a bore either in the club head or in the interior portion of a hosel extending from the club head. In order to ensure that there is adequate space between the shaft and the bore hole for an adequate quantity of adhesive to bind the surfaces, sufficient space must exist between these surfaces. Due to the space or tolerance between the shaft and the interior surface of the bore hole, there is a gap or room for the golf club shaft to shift and vary in location depending upon the amount of space between the shaft and the bore hole. Indeed, depending upon the amount of tolerance, the end result is that the axis of the golf club shaft, after the adhesive has solidified or otherwise set, can vary by significant amounts. The possibility for such variation can result in the golf club shaft not being properly aligned to the golf club head and, accordingly, assembled golf clubs employing the same golf club heads and shafts may vary from club to club. Additionally, such variation in the location of the shaft axis relative to the head of the golf club causes unpredictable variations in lie angle, face angle, and face progression.
- This problem is also inherent in certain prior art golf clubs which use cast heads, or heads made using other manufacturing techniques, which produce club head bores having inconsistent dimensions, flaws, or dimensional variations which result in the golf club shaft not mating accurately or uniformly with the head of the golf club. Such inconsistencies, flaws, or variations, likewise, result in the axis of golf club shafts in assembled clubs varying from club to club. Furthermore, in addition to the functional disadvantages associated with the prior art methods of assembling shafts to golf club heads, as will be appreciated by those of ordinary skill in the art, as well as golfers generally, if a shaft is not centered within the bore or hosel, the result can be a club having a poor aesthetic appearance.
- The present invention overcomes the limitations of the prior art by using a unique and previously unknown shaft locating device for receiving and locating the shaft within the golf club head bore or hosel.
- A golf club used with the present invention preferably comprises a head having a top side or surface, a bottom side or surface, and a front face wall for impacting a golf ball. The golf club head is also defined as having a heel end and a toe end, the heel end being the end of the golf club which is closest to the golfer when the golf club is at address. The toe end of the golf club is the end of the golf club which is furthest away from the golfer when the golf club is at address:
- Golf club heads used with the present invention preferably have a bore hole disposed in or near the heel end of the golf club. The bore hole preferably has an opening in the top side or surface of the golf club and extends into the golf club and towards the bottom side or surface of the golf club. The bore, as will be understood by those of ordinary skill in the art, may extend any number of depths into the golf club head and, indeed, even through the golf club head. Moreover, the location of the bore hole within a golf club may vary Alternatively, the golf club head may have a hosel, or other extension, extending up from the top side or surface of the golf club head. As will be appreciated, the location of the bore, and whether it is located within the golf club head, outside of the golf club head, both in and outside the golf club head, or otherwise affixed to the golf club head, has no bearing on the operation, scope or teaching of the present invention.
- The bore of the golf club head has an inner surface having an upper and a lower end. The upper end of the bore hole preferably has adequate dimensions to receive the shaft locating device of the present invention. The shaft locating device is preferably inserted, or otherwise placed or formed, into the upper end of the bore hole. As will be appreciated by those of ordinary skill in the art, the shaft locating device may be a separate component that is placed into the upper end of the bore hole or, alternatively, formed as an integral component of the golf club or hosel. Further, the shaft locating device may also be located and offset partially into the depth of the bore hole or hosel.
- The shaft locating device, if a separate component, preferably has an outer surface that adequately conforms to at least a portion of the inner surface of the upper end of the bore hole. While in one preferred embodiment the present invention has a shaft locating device which is circular in shape, the invention encompasses any embodiments in which the shaft locating device may be affixed to the bore hole or otherwise formed as a component thereof.
- The shaft locating device of the present invention preferably has a bore therein, said bore having an axis, through which the end of the shaft which is affixed to the golf club head is inserted. The diameter of the bore in the shaft locating device is preferably either an interference fit with the corresponding diameter, or other shape, of the portion of the shaft which as adjacent thereto when assembled, or of sufficiently close tolerance to preclude the shaft from shifting relative thereto. The bottom, or tip, of the shaft is preferably inserted into the bottom of the bore hole in the golf club head. The bottom of the bore hole in the golf club head preferably has a narrowed portion, cup, socket, or other cavity into which the tip of the shaft is seated. While this element is not essential to the invention, if used, it will provide greater consistency in the uniform location of the shaft, and axis thereof, from assembled golf club to golf club.
- The location of the bore in the shaft locating device, after the shaft is placed therein, preferably locates the shaft in a preferred and consistent location. As will be appreciated, if the tip of the shaft is placed or seated in a narrowed portion, cup, socket, or other cavity in the bottom of the bore hole in the club head, as is taught in one embodiment of the present invention, the location and axis of the shaft relative to the golf dub head win be fixed and, indeed, repeatable from golf club to golf club. While the use of the shaft locating device of the present invention alone will substantially improve and increase the accuracy and consistency in club head and shaft assembly and orientation, the use of a narrowed portion, cup, socket, or other cavity to seat the tip of the shaft in the bottom of the bore hole, will further improve the accuracy and consistency of the present invention.
- As will be understood by those of ordinary skill in the art, in addition to providing a means to center the location of a shaft, the present invention may also be employed to, preferably, locate a shaft at preferred locations within the parameters of a bore hole. Thus, if a golfer, assembler, or manufacturer would prefer to locate a shaft off-center, consistently, the present invention may be used for such purposes as well.
- The present invention is a new, unique and useful apparatus and method for more accurately and consistently locating a shaft within a golf club head bore or hosel. The present invention also provides a more aesthetically pleasing and consistent appearance between the golf club head and shaft. The present invention also permits the use of shafts of varying outer diameters, and even dimensions, in a golf club head or hosel without varying the diameter of the club head bore. Additional advantages of the present invention are described herein and others will be apparent and obvious to those of ordinary skill in the art.
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FIG. 1 is a cross-sectional view of a portion of the front of a golf club of one embodiment according to the present invention; -
FIG. 2 is a cross-sectional view of a portion of the front of a golf cub of one embodiment of the present invention, without a shaft connected to the head of the golf club; -
FIG. 3 is cross-sectional view of an unassembled portion of the front of a golf club, one embodiment of the shaft locating device of the present invention, and a portion of a shaft; -
FIG. 4 is a cross-sectional view of one embodiment of the shaft locating device according to the present invention; -
FIG. 5 is a cross-sectional front view of another embodiment of the shaft locating device, according to the present invention; -
FIG. 6 is a top view of the shaft locating device shown inFIG. 5 . - Referring to
FIGS. 1-3 , a golf club, such as an iron, comprises ahead 10 having abore 12, and ashaft 14. Thehead 10 of the present invention may be of any suitable configuration, including a conventional configuration with aheel end 16 and toe end (not shown), and encompasses any type of golf club including, for example, what have conventionally been referred to as irons, woods, putters, wedges, and the like. Theclub head 10 is preferably cast from suitable metal, such as titanium or stainless steel, but other materials and manufacturing methods as are known to those of ordinary skill in the art, such as forging, wood fabrication, composite materials, as well as any new materials may be used. Thehead 10 preferably has a top side ortop surface 18, a bottom side orbottom surface 20, and afront face wall 22 for impacting a golf ball. The front,face wall 22 conventionally extends between theheel end 16 and toe end along a frontal portion of thehead 10. Abore 12 is preferably positioned near theheel end 16 of the head extending from, thetop surface 18 of theclub 10 down toward thebottom surface 20 of theclub head 10. As will be appreciated by those of ordinary skill in the art, the location of thebore 12 may vary from club to club, or club design to club design. Additionally, thegolf club head 10 may, or may not, have ahosel 24, or other extension, extending up from theheel end 16 ortop surface 18 of thegolf club head 10. As will be appreciated, the location of thebore 12, and whether it is located within thegolf club head 10, outside of thegolf club head 10, both in and outside thegolf club head 10, or otherwise affixed to thegolf club head 10, has no bearing on the operation, scope or teaching of the present invention. - The
bore 12 may extend any number of depths into thegolf club head 10, even through thegolf club head 10, or any variation of depth into ahosel 24. Moreover, the location of thebore 12 within agolf club head 10 may vary. As shown inFIGS. 1-3 , the golf club head may have ahosel 24, or other extension, extending up from thetop surface 18 of thegolf club head 10 which has abore 12 therein. Alternatively, with certain club heads, particularly drivers, theupper end 26 of thebore 12 may be substantially flush with thetop surface 18 of thehead 10, or have a portion extending up from thetop surface 18 to, generally, entirely or partially receive ashaft 14. - The
bore 12 of the present invention preferably has aninner surface 28 having aupper end 26 and abottom end 30. Ashaft locating device 32 is preferably formed of a material such as plastic or a soft metal, such as brass or aluminum. Theshaft locating device 32 preferably has an outerperipheral surface 34. At least a portion of the outerperipheral surface 34 of theshaft locating device 32 is, in one embodiment, inserted, or otherwise placed or formed, into theupper end 26 of thebore 12 of theclub head 10. As shown inFIGS. 1-3 , in one embodiment, the portion of theshaft locating device 32 that is inserted into theupper end 26 of the bore, 12 is preferably seated in a groove orcounterbore 36 that surrounds theupper end 26 of thebore 12. In another embodiment, theshaft locating device 32 is inserted into abore 12 that has a uniform inner diameter and lacks agroove 36. - The
shaft locating device 32 of the present invention, if a separate component, preferably has an outerperipheral surface 34 that generally conforms to the shape of at least a portion of theinner surface 28 of thebore 12. In one preferred embodiment, at least a portion of the outerperipheral surface 34 of theshaft locating device 32 is secured in the inner surface of theupper end 26 of thebore 12 of theclub head 10. As will be appreciated by those of ordinary skill in the art, any number of products or methods may be used to secure theshaft locating device 32 within theupper end 26 of thebore 12, including, for example, adhesives, pins, keys, and interlocking mechanisms. Alternatively, the outerperipheral surface 34 of theshaft locating device 32 can form an interference fit with the correspondingupper end 26 of thebore 12 when assembled, or of sufficiently close tolerance to preclude theshaft locating device 32 from shifting relative thereto. - While in one preferred embodiment, as shown in
FIGS. 1 and 3 , the present invention has ashaft locating device 32 that has a circular cross-sectional shape, the present invention is not so limited. Rather, the peripheral shape of theshaft locating device 32 of the present invention may take any shape or form. Theshaft locating device 32 preferably has abore 38 extending therethrough. The shape of thebore 38 through theshaft locating device 32 is not limited to having a uniform diameter, rather, thebore 38 will preferably have a shape which closely approximates the shape of the corresponding portion of theshaft 14 which will be positioned in theshaft locating device 32 when the golf club is assembled. Theshaft 14 may be made of any materials known to those in the art including, for example, steel or graphite composite. - The
shaft locating device 32 of the present invention is also not limited to being a separate component which is assembled in thebore 12 of theclub head 10. The present invention encompasses, among other embodiments, embodiments in which theshaft locating device 32 may be formed or fabricated as an integral component of thegolf club head 10 orhosel 24. - In one preferred embodiment, when assembled, as shown in
FIG. 1 , theshaft locating device 32 includes anupper portion 40 that extends upwardly from theclub head 10 and alower portion 42 that is inserted into thebore 12. As will be appreciated by those of ordinary skill in the art, if present, theupper portion 40 of theshaft locating device 32 can provide a more aesthetically pleasing and consistent transition between thegolf club head 10 andshaft 14. In another embodiment, the entireshaft locating device 32 is inserted into thebore 12, with theupper portion 40 remaining flush with the upper end of thebore 12 and noupper portion 40 extending out of thehead 10 of the golf club. Alternatively, the shaft locating device can be placed entirely within thebore 12 so that theupper portion 40 is also located completely within thebore 12, but not flush with thetop surface 18 of theclub head 10. - The
bottom end 30 of thebore 12 preferably has a narrowedportion 44, or a cup, socket, or other cavity into which thebottom end 46 of theshaft 14 is seated. The narrowedportion 44, along with theshaft locating device 32, serves to align theshaft 14 in thebore 12, and, by relationship, theclub head 10. While the narrowedportion 44 is not essential to the invention, if used, it will provide greater consistency in the uniform location of theshaft 14, and axis thereof, from assembled golf club to golf club. - As illustrated in
FIG. 1 , thebottom end 46 of theshaft 14 is preferably inserted into thebottom end 30 of thebore 12. The portion of theshaft 14 that extends into thebore 12 can, in yet another embodiment, preferably be affixed to thebore 12 or golf club by using methods known in the art, such as, for example, adhesives, screws, or other fastening methods or devices. - As discussed herein, the
shaft locating device 32 of the present invention preferably has a passageway or bore 38 therein, said bore 38 has an axis, through which thebottom end 46 of theshaft 14 is inserted. The diameter or other shape of thebore 38 in theshaft locating device 32 is preferably either an interference fit with the corresponding diameter or shape of the portion of theshaft 14 which as adjacent thereto when assembled, or of sufficiently close tolerance to preclude theshaft 14 from shifting relative thereto. The location of thebore 38 in theshaft locating device 32 locates theshaft 14 in a preferred and consistent location. The close tolerance or interference fit between thebore 38 of theshaft locating device 32 and the portion of theshaft 14 that is adjacent thereto eliminates or significantly reduces shifting and variations in alignment of theshaft 14 within thebore 12 as occurs in prior art golf clubs. - The many aspects and benefits of the invention are apparent from the detailed description, and thus, it is intended for the following claims to cover all such aspects and benefits of the invention which fall within the scope and spirit of the invention. In addition, because numerous modifications and variations will readily occur to those skilled in the art, the claims should not be construed to limit the invention to the exact construction and operation illustrated and described herein. Accordingly, all suitable modifications and equivalents should be understood to fall within the scope of the invention as claimed herein.
Claims (22)
1. A golf club comprising:
a club head having a top, surface, a bottom surface and a front face wall for impacting a golf ball;
said club head further including a heel end and a toe end, said club head having a bore disposed in said heel end and extending from the top surface of said club head down toward said bottom surface;
said bore having an inner surface;
said inner surface having an upper end and a lower end;
a shaft locating device having an upper portion, a lower portion and an outer peripheral surface conforming to the shape of at least a portion of the inner surface of the upper end of the bore;
said shaft locating device having a shaft locating bore extending through said upper and lower portions thereof;
at least said lower portion of said shaft locating device placed in the upper end of said inner surface of the bore of the club head; and
a shaft having a tip end inserted in and extending through the shaft locating bore in said shaft locating device into said bore in said club head.
2. The golf club of claim 1 wherein the upper portion of the shaft locating device is substantially flush with the upper end of the bore inner surface.
3. The golf club of claim 1 wherein the upper portion of the shaft locating device extends upwardly above the upper end of the bore inner surface.
4. The golf club of claim 1 wherein the shaft locating device is disposed entirely within the bore of the club head.
5. The golf club of claim 1 wherein at least a portion of the outer peripheral surface of the shaft locating device is configured to form an interference fit with the inner surface of the upper end of the bore of the club head.
6. The golf club of claim, 1 wherein at least a portion of the shaft locating bore is configured to form an interference fit with at least a portion of the shaft.
7. The golf club of claim 1 wherein said head is a golf club iron head.
8. The golf club of claim 1 wherein said head is a driver head.
9. The golf club of claim 1 wherein said head is a putter head.
10. The golf club of claim 1 wherein a portion of the tip end of the shaft is affixed with an adhesive to at least a portion of the inner surface of the lower end of the bore of the club head.
11. The golf club of claim 10 wherein at least a portion of the outer peripheral surface of the shaft locating device is configured to form an interference fit with the inner surface of the upper end of the bore of the club head.
12. The golf club of claim 1 wherein at least a portion of the outer peripheral surface of the shaft locating device is affixed with an adhesive to the inner surface of the upper end of the bore of the club head.
13. The golf club of claim 1 wherein the shaft locating device is formed of plastic.
14. The golf club of claim 1 wherein a groove is disposed around the upper end of the bore of the club head and at least a portion of the shaft locating device is seated in said groove.
15. The golf club of claim 1 wherein the shaft locating device has a uniform diameter.
16. The golf club of claim 1 wherein the lower end of the bore of the ub head has a narrowed portion and the bottom end of the shaft is seated in the narrowed portion.
17. The golf club of claim 1 wherein the tolerance between the shaft locating device and the shaft is less than the tolerance between the bore of the club head and the shaft.
18. A golf club comprising:
a club head having a top surface, a bottom surface and a front face wall for impacting a golf ball, said club head having a hosel extending up from the top surface;
said hosel having a bore therein;
said bore having an inner surface;
said inner surface having an upper end and a lower end, said upper end of said bore inner surface being adapted for receiving a shaft locating device;
said shaft locating device having an upper portion, a lower portion and an outer peripheral surface conforming to the shape of at least a portion of the inner surface of the upper end of the bore;
said shaft locating device having a bore extending through said upper and lower portions of said shaft locating device;
said lower portion of said shaft locating device placed in the upper end of said inner surface of said bore of said club head; and
a shaft having a tip end inserted in and extending through the shaft locating bore in said shaft locating device into said bore in said club head.
19. A golf club comprising:
a club head having a top surface, a bottom surface and a front face wall for impacting a golf ball, said club head further including a heel end and a toe end, said club head having a bore disposed in said heel end and extending toward said bottom surface;
said bore having an inner surface;
said inner surface having a upper end and a lower end;
a shaft locating device which is integrally attached to the upper end of the bore, said shaft locating device having a shaft locating bore for receiving and locating a shaft; and
said shaft having a tip end inserted in and extending through the shaft locating bore in said shaft locating device into said bore in said club head.
20. A method of making a golf club comprising the steps of:
forming a club head having a top surface, a bottom surface and a front face wall for impacting a golf ball, said club head further including a heel end and a toe end;
forming a bore disposed near said heel end and extending toward said bottom surface, said bore having an inner surface, said inner surface having a upper end and a lower end;
attaching a shaft locating device to the upper end of the bore, said shaft locating device having a shaft locating bore for receiving and locating a shaft; and
inserting a shaft into said shaft locating bore in said shaft locating device so that said shaft is held in a designated location within the bore in the club head.
21. The method of claim 20 wherein the tolerance between the shaft locating device and the shaft is less than the tolerance between the bore of the club head and the shaft.
22. A golf club comprising:
a club head having a top surface, a bottom surface, a front face wall for impacting a golf ball and a hosel extending upwardly from said top surface;
said hosel having a bore formed therein and a counterbore adjacent an upper end of said bore;
a shaft locating device having an upper portion, a lower portion and a shaft locating bore extending through said upper and lower portions thereof;
said lower portion of said shaft locating device being disposed in the counterbore in said hosel, and said upper portion of said shaft locating device extending upwardly from said hosel; and
a shaft having a tip end inserted in and extending through the shaft locating bore in said shaft locating device into said bore in said hosel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/698,697 US20050096148A1 (en) | 2003-10-31 | 2003-10-31 | Golf club head with shaft locating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/698,697 US20050096148A1 (en) | 2003-10-31 | 2003-10-31 | Golf club head with shaft locating device |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050096148A1 true US20050096148A1 (en) | 2005-05-05 |
Family
ID=34550723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/698,697 Abandoned US20050096148A1 (en) | 2003-10-31 | 2003-10-31 | Golf club head with shaft locating device |
Country Status (1)
Country | Link |
---|---|
US (1) | US20050096148A1 (en) |
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USD973814S1 (en) | 2022-03-03 | 2022-12-27 | Parsons Xtreme Golf, LLC | Golf club head |
USD982110S1 (en) | 2022-06-08 | 2023-03-28 | Parsons Xtreme Golf, LLC | Golf club head |
USD988449S1 (en) | 2022-06-08 | 2023-06-06 | Parsons Xtreme Golf, LLC | Golf club head |
USD985087S1 (en) | 2022-07-15 | 2023-05-02 | Parsons Xtreme Golf, LLC | Golf club head |
WO2024073523A1 (en) * | 2022-09-27 | 2024-04-04 | Karsten Manufacturing Corporation | Golf club head with low hosel bore |
USD985084S1 (en) | 2022-11-14 | 2023-05-02 | Parsons Xtreme Golf, LLC | Golf club head |
USD1005425S1 (en) | 2023-06-02 | 2023-11-21 | Parsons Xtreme Golf, LLC | Golf club head |
USD1013811S1 (en) | 2023-06-19 | 2024-02-06 | Parsons Xtreme Golf, LLC | Golf club head |
USD1029159S1 (en) | 2023-06-19 | 2024-05-28 | Parsons Xtreme Golf, LLC | Golf club head |
USD1020947S1 (en) | 2023-08-17 | 2024-04-02 | Parsons Xtreme Golf, LLC | Golf club head |
USD1020948S1 (en) | 2023-09-01 | 2024-04-02 | Parsons Xtreme Golf, LLC | Golf club head |
USD1023205S1 (en) | 2023-10-20 | 2024-04-16 | Parsons Extreme Golf, Llc | Golf club head |
USD1025258S1 (en) | 2023-11-03 | 2024-04-30 | Parsons Xtreme Golf, LLC | Golf club head |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: KARSTEN MANUFACTURING CORPORATION, ARIZONA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NOBLE, RANDALL B.;NICOLETTE, MICHAEL R.;SCHWEIGERT, BRADLEY D.;REEL/FRAME:014663/0173 Effective date: 20031030 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |