US20030148818A1 - Golf club woods with wood club head having a selectable center of gravity and a selectable shaft - Google Patents

Golf club woods with wood club head having a selectable center of gravity and a selectable shaft Download PDF

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Publication number
US20030148818A1
US20030148818A1 US10/053,797 US5379702A US2003148818A1 US 20030148818 A1 US20030148818 A1 US 20030148818A1 US 5379702 A US5379702 A US 5379702A US 2003148818 A1 US2003148818 A1 US 2003148818A1
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US
United States
Prior art keywords
wood
club
head
club head
weight
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
Application number
US10/053,797
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English (en)
Inventor
Mark Myrhum
Mitchell Voges
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Out Golf LLC
Original Assignee
Max Out Golf LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Max Out Golf LLC filed Critical Max Out Golf LLC
Priority to US10/053,797 priority Critical patent/US20030148818A1/en
Assigned to MAX OUT GOLF LLC reassignment MAX OUT GOLF LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MYRHUM, MARK C., VOGES, MITCHELL C.
Priority to EP03731882A priority patent/EP1476227A4/en
Priority to PCT/US2003/000030 priority patent/WO2003061773A1/en
Priority to JP2003561710A priority patent/JP2005515046A/ja
Priority to CA002473659A priority patent/CA2473659A1/en
Priority to KR10-2004-7011090A priority patent/KR20040101208A/ko
Priority to TW092101059A priority patent/TWI227676B/zh
Publication of US20030148818A1 publication Critical patent/US20030148818A1/en
Priority to US10/722,585 priority patent/US7159451B2/en
Priority to US10/722,580 priority patent/US8827842B2/en
Priority to US10/722,579 priority patent/US7166035B2/en
Priority to US11/337,347 priority patent/US7621828B2/en
Priority to US11/614,156 priority patent/US20070155529A1/en
Priority to US13/170,114 priority patent/US8696497B2/en
Priority to US13/450,364 priority patent/US20120202610A1/en
Priority to US14/479,227 priority patent/US20140378238A1/en
Priority to US15/421,937 priority patent/US20170151462A1/en
Priority to US15/589,815 priority patent/US20170239522A1/en
Priority to US16/244,929 priority patent/US20190143175A1/en
Abandoned legal-status Critical Current

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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
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3658—Means associated with the ball for indicating or measuring, e.g. speed, direction
    • 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
    • A63B53/0416—Heads having an impact surface provided by a face insert
    • A63B53/042—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head
    • 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
    • A63B53/0433—Heads with special sole configurations
    • 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
    • A63B53/0437—Heads with special crown configurations
    • 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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/46—Measurement devices associated with golf clubs, bats, rackets or the like for measuring physical parameters relating to sporting activity, e.g. baseball bats with impact indicators or bracelets for measuring the golf swing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0021—Tracking a path or terminating locations
    • A63B2024/0028—Tracking the path of an object, e.g. a ball inside a soccer pitch
    • 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
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B2071/065—Visualisation of specific exercise parameters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/18—Inclination, slope or curvature
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/30—Speed
    • A63B2220/34—Angular speed
    • A63B2220/35—Spin
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
    • 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
    • A63B53/005—Club sets

Definitions

  • This invention relates to wood golf clubs and, more particularly, to such wood golf clubs wherein the vertical center of gravity of the wood club head is selectable.
  • the golf clubs that are used to hit the golf ball the greatest distances are the “woods”.
  • the wood golf clubs have wood club heads with relatively large mass, and loft angles of the faces relative to the soles selected to achieve a long flight distance of the struck golf ball.
  • a golf player typically carries up to five woods, which are distinct from each other in that the loft angle varies from about 7 to about 11 degrees for a driver wood golf club, and about 12 degrees and higher for other wood golf clubs.
  • the drivers With relatively low loft angles, are designed to hit the golf ball the greatest distances. The golfer selects the required wood golf club from this group of wood golf clubs.
  • a wood golf club, and normally a driver is used for most long shots from the tee, and may be used on intermediate shots on some longer holes.
  • the wood club heads are preferably “metal woods”, wherein each of the first wood club head and the second wood club head is made of a metal alloy such as a titanium alloy.
  • the wood club heads are preferably cast by an approach such as lost wax casting or die casting, so that the wood club heads have an as-cast microstructure, as distinct from a forged or otherwise worked microstructure.
  • the first-club-head crown weight is less than the second-club-head crown weight
  • the second-club-head crown weight is less than the third-club-head crown weight.
  • the result of shifting the weight between the sole and the crown is to move the vertical center of gravity of the club head.
  • This three-club-head set thus may be characterized as having a low center-of-gravity wood club head, a medium center-of-gravity wood club head, and a high center-of-gravity wood club head, where low, medium, and high are measured vertically in a direction generally perpendicular from the sole of the wood club head.
  • FIG. 1 is a perspective view of a wood golf club according to the invention
  • FIG. 8 is an enlarged, partially exploded, sectional view of the wood club head, taken on line 8 - 8 of FIG. 1;
  • FIG. 9 is a block diagram of a method of providing a wood golf club for a player.
  • FIG. 1 depicts a wood golf club 20 .
  • the wood golf club 20 is sometimes termed a “wood” club or a “wood”.
  • the wood golf club 20 includes a wood club head 22 and a generally cylindrical wood club shaft 24 affixed to the wood club head 22 .
  • the wood club shaft 24 may be of any operable material of construction, such as metal (e.g., titanium, aluminum), composite (e.g., graphite/epoxy), or even natural wood; produced by any operable method; of any operable diameter; of any operable length; and of any operable physical properties (e.g., elastic modulus, strength).
  • metal e.g., titanium, aluminum
  • composite e.g., graphite/epoxy
  • wood may be of any operable material of construction, such as metal (e.g., titanium, aluminum), composite (e.g., graphite/epoxy), or even natural wood; produced by any operable method; of any operable diameter; of any operable length; and of
  • the wood head body 26 is preferably hollow, and the crown 36 is convexly (outwardly) curved relative to the interior of the wood head body 26 .
  • the crown 36 is the convexly, outwardly curved portion of the wood head body 26 that is uppermost in FIG. 2.
  • the sole 32 is the lowermost portion of the wood head body 26 in FIG. 2, which is flat over most of its area and slightly upwardly curved toward the left hand side of FIG. 2 (remote from the wood head face plate 28 ).
  • the sole 32 meets and is contiguous with the crown 36 on the left hand side of FIG. 2.
  • the wood head body 26 may be made of any operable material, but is preferably made of a metal alloy such as a titanium alloy.
  • the wood head body 26 may be made by any operable manufacturing process, but is preferably made by a casting technique such as lost wax casting or die casting. It may also be forged or machined.
  • the wood head face plate 28 is made separately from the wood head body 26 .
  • the wood head face plate 28 is preferably also a metal alloy such as a titanium alloy, but a different alloy composition than used in the wood head body 26 .
  • the wood head face plate 28 is preferably forged.
  • the wood head body 26 and the wood head face plate 28 are fabricated separately, they are joined by fitting the wood head face plate 28 into a recess formed on the wood head body 26 and then welded, adhesively bonded, or otherwise attached in place by the weldment 30 that extends around the periphery of the wood head face plate 28 .
  • an important performance characteristic of the wood golf club 20 is a vertical location of a center of gravity 38 of the wood head body 26 .
  • the “vertical location” is a distance D CG from an external surface 40 of the sole 32 toward the crown 36 measured along a line 42 perpendicular to the planar portion of the sole 32 .
  • FIGS. 2 - 4 illustrate three wood club heads 22 for a set of wood golf clubs 20 .
  • These three wood club heads 22 of FIGS. 2 - 4 have substantially the same external shapes and volumes.
  • the three wood club heads 22 also have substantially the same total weights.
  • the shapes, volumes, and weights of the three wood club heads 22 in this set of wood golf clubs 20 are substantially the same in order to allow optimization of the selection of the vertical location of the center of gravity 38 , without simultaneously varying other parameters such as shape, loft angle, and total weight of the wood club head 22 .
  • FIGS. 2 - 4 illustrate a preferred approach, changing the thicknesses of the sole 32 and the crown 36 to redistribute weight and move the center of gravity 38 vertically.
  • the thickness changes and the movement of the center of gravity 38 are quite small and may be difficult to discern in precisely scaled drawings, so in FIGS. 2 - 4 the thickness variations and the vertical displacement of the center of gravity 38 are exaggerated.
  • FIGS. 2 - 4 illustrate a preferred approach, changing the thicknesses of the sole 32 and the crown 36 to redistribute weight and move the center of gravity 38 vertically.
  • the thickness changes and the movement of the center of gravity 38 are quite small and may be difficult to discern in precisely scaled drawings, so in FIGS. 2 - 4 the thickness variations and the vertical displacement of the center of gravity 38 are exaggerated.
  • FIG. 2 - 4 illustrate a preferred approach, changing the thicknesses of the sole 32 and the crown 36 to redistribute weight and move the center of gravity 38 vertically.
  • a thickness t S of the sole 32 is relatively large, and a thickness t C of the crown 36 is relatively small, so that the weight of the sole is relatively large and the weight of the crown is relatively small. Consequently, the center of gravity 38 is relatively low (i.e., near to the sole 32 ).
  • the exact locations where the thickness of the sole and the thickness of the crown are measured is not critical, as long as they are generally in the centers of the respective regions and are consistently positioned from wood club head to wood club head within a set.
  • the weight of a region such as the crown or the sole generally correlates with its thickness within this set of club heads, so that the thicker the region, the greater its weight. In the wood club head 22 of FIG.
  • the thickness t S of the sole 32 is smaller than that of the wood club head 22 of FIG. 2, and the thickness t C of the crown 36 is greater than that of the wood club head 22 of FIG. 2.
  • the result is that the center of gravity 38 of the wood club head 22 of FIG. 3 is higher (i.e., further from the sole 32 ) than the center of gravity 38 of the wood club head 22 of FIG. 2.
  • the thickness t S of the sole 32 is smaller than that of the wood club head 22 of FIG. 3
  • the thickness t C of the crown 36 is greater than that of the wood club head 22 of FIG. 3.
  • the result is that the center of gravity 38 of the wood club head 22 of FIG.
  • the wood club head 22 of FIG. 2 is termed the “L” (low) center of gravity variation
  • the wood club head 22 of FIG. 3 is termed the “M” (medium) center of gravity variation
  • the wood club head 22 of FIG. 4 is termed the “H” (high) center of gravity variation. More variations in the vertical location of the center of gravity 38 may be provided than the three illustrated, but initial testing indicates that three variations are sufficient for most applications.
  • the changes in thickness of the sole 32 and of the crown 36 in each case are selected so that the total weight of the wood club head 22 remains the same.
  • the changes in thickness are accommodated by varying the position of an inner wall 44 of the wood club head 22 , so that the shape of an outer wall 46 remains unchanging.
  • the wood head bodies 22 of FIGS. 2 - 4 are preferably manufactured by a lost wax casting approach. This technique is known generally for the manufacture of hollow golf club head bodies of other designs, see for example U.S. Pat. No. 5,429,365. Generally, there is an outer casting shell that defines the position, shape, and size of the outer wall 46 , and a casting core that defines the position, shape, and size of the inner wall 44 . In the present case, the outer casting shell used for the three wood club heads 22 of FIGS. 2 - 4 is the same, so that the wood head bodies 22 have the same external shape, loft angle, and volume, about 335 cubic centimeters in the preferred approach.
  • the casting cores used to cast the three wood head bodies 26 have a constant volume, so that the total amount of metal (and thence the weight) in each of the wood head bodies 26 is a constant amount, preferably in the range of from about 195 to about 205 grams in the preferred approach wherein the wood head bodies 26 are cast from the titanium alloy titanium-6 weight percent aluminum-4 weight percent vanadium.
  • the casting cores are differently positioned, so as to define the thicknesses of the sole 32 and the crown 36 in the manner discussed previously to produce the three different types of wood club heads 22 of FIGS. 2 - 4 .
  • molten metal is poured into the space therebetween and cooled to solidify and to form each of the wood head bodies 22 .
  • Any operable castable material may be used, but a titanium alloy such as titanium-6 weight percent aluminum-4 weight percent vanadium is preferred.
  • the outer casting shell and the casting core are removed, leaving the final hollow cast wood club head 22 having a cast microstructure.
  • the final wood club head 22 has a corresponding microstructure such as a forged or a machined microstructure, respectively.
  • FIGS. 5 - 7 illustrate one such alternative approach.
  • a sole fitting 48 is formed in the sole 32
  • a crown fitting 50 is formed in the crown 36 .
  • These fittings 48 and 50 are externally accessible.
  • a corresponding sole weight insert 52 and a crown weight insert 54 are inserted into the respective sole fitting 48 and crown fitting 50 .
  • the fittings 48 and 50 are female-threaded fittings
  • the weight inserts 52 and 54 are matching male-threaded weights.
  • the weight inserts 52 and 54 may be readily installed, removed, and moved in various combinations.
  • the total weight of the sole weight insert 52 and the crown weight insert 54 is maintained constant, so that the total weight of the wood club heads 22 of FIGS. 5 - 7 remains constant.
  • FIGS. 2 - 4 has the advantage that the weight change is distributed broadly over the sole and the crown.
  • the approach of FIGS. 5 - 7 has the advantage that the weight inserts 52 and 54 may be readily changed.
  • the approach of FIGS. 5 - 7 has the additional advantage that the total of the weight inserts 52 and 54 may be readily changed, if desired.
  • FIGS. 2 - 4 and 5 - 7 are illustrated as being conventional in configuration, except for the ability to change the vertical location of the center of gravity.
  • FIGS. 2 - 4 and FIGS. 5 - 7 are used to change the vertical location of the center of gravity 38 .
  • Another factor that significantly influences the performance of the wood golf club 20 is the nature of the wood club shaft 24 .
  • FIG. 8 illustrates an embodiment of the present approach that allows various types of wood club shafts 24 to be used with the variations of FIGS. 2 - 4 and FIGS. 5 - 7 .
  • the preferred wood club head 22 of the present approach has no integral hosel, which is a tubular portion that extends upwardly from the crown 36 of the conventional wood club head.
  • the wood club shaft of the conventional wood club is inserted into the hosel and affixed to the hosel with an adhesive such as an epoxy.
  • the wood club head 22 has no hosel, but instead has a bore 60 fabricated into the wood head body 26 .
  • the bore 60 has a base 62 that defines the bottom of the bore 60 .
  • An aperture 64 extends through the base 62 .
  • the bore 60 is sized to receive a hosel fitting 66 affixed to an end 68 of the wood club shaft 24 . (The hosel fitting 66 is not integral with the wood club head 22 .)
  • the bore 60 is oriented in the wood club head 22 so that the wood club shaft 24 has the proper orientation to the wood club head 22 and to the wood head face plate 28 .
  • a fastener preferably a male-threaded fastener 70 such as the illustrated bolt, extends through the aperture 64 of the base 62 to engage the female-threaded hosel fitting 66 , and thence the wood club shaft 24 , to the respective wood club head 22 , when the hosel fitting 66 is inserted into the bore 60 .
  • the sole 32 is locally recessed at recess 72 so that the head of the fastener 70 does not strike the ground 34 when the wood golf club 20 is swung.
  • the wood club shaft 24 may be readily changed so that different shafts may be tested and possibly used with the various wood club heads 22 . Shafts of different lengths, diameters, materials of constructions, elastic properties, and other characteristics may thence be utilized.
  • FIG. 9 illustrates this approach.
  • a wood golf club of a test configuration is provided, numeral 80 .
  • the performance of the wood golf club test configuration when used by the particular player is analyzed, numeral 82 .
  • the steps 80 , 82 are repeated, numeral 84 , for a new test configuration, and may be repeated as many times as necessary to determine the optimum performance of the player as a function of the several variables that may be evaluated.
  • Variables that may be included in the evaluation include the wood club head 22 and particularly the vertical location of the center of gravity of the wood club head, as discussed above, the type of drive club shaft 24 that is installed to the wood club head 22 , and the type of golf ball being hit.
  • This procedure would be used for a first set of wood golf clubs with a constant selected loft angle, and then may be used for additional sets of wood golf clubs with a different (but constant within any one set) loft angle.
  • the present procedure is expected to yield the most benefits for the wood golf clubs with the lowest loft angles, termed the “drivers”, but it may be used as well for other wood golf clubs.
  • the table entries are, from left to right, the wood club head identification (L, M, or H), the initial launch speed (Vo) of the ball in miles per hour, the spin rate (SR) of the ball in revolutions per minute, the launch angle (LA) of the ball in degrees, the carry distance (CD) on the fly of the golf ball in yards, and the total distance (TD) of the golf ball on the fly and rolling, in yards.
  • L, M, or H wood club head identification
  • Vo initial launch speed
  • SR spin rate
  • LA launch angle
  • CD carry distance
  • TD total distance
  • This approach may be used in a custom-fitting procedure to find a single wood golf club that is optimal for that player, taking into account all of the variables discussed above.
  • the illustrated version with the removable shaft (FIG. 8) may be used by the player.
  • the hosel fitting 66 may be fixed in place with a permanent adhesive, and a cap may be fitted over the head of the fastener 70 and fixed in place with the permanent adhesive.
  • other variables may be considered: wind conditions, launch angle, heel/toe properties, side spin, accuracy relative to an axis, distance accuracy, face mapping, and the like.
  • a number of golf clubs may be identified for use by the player, such as a wood golf club driver for use in still air conditions, a wood golf club driver for use in headwinds, a wood golf club driver for use in tailwinds, and the like.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Human Computer Interaction (AREA)
  • Biophysics (AREA)
  • Golf Clubs (AREA)
US10/053,797 2002-01-18 2002-01-18 Golf club woods with wood club head having a selectable center of gravity and a selectable shaft Abandoned US20030148818A1 (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
US10/053,797 US20030148818A1 (en) 2002-01-18 2002-01-18 Golf club woods with wood club head having a selectable center of gravity and a selectable shaft
EP03731882A EP1476227A4 (en) 2002-01-18 2003-01-16 GOLF CLUBS OF WOOD WITH WOODEN CLUB HEAD HAVING A VARIABLE GRAVITY CENTER AND A VARIABLE HANDLE
PCT/US2003/000030 WO2003061773A1 (en) 2002-01-18 2003-01-16 Golf club woods with wood club head having a selectable center of gravity and a selectable shaft
JP2003561710A JP2005515046A (ja) 2002-01-18 2003-01-16 選択可能な重心および選択可能なシャフトを有するウッドクラブヘッドを備えたゴルフクラブウッド
CA002473659A CA2473659A1 (en) 2002-01-18 2003-01-16 Golf club woods with wood club head having a selectable center of gravity and a selectable shaft
KR10-2004-7011090A KR20040101208A (ko) 2002-01-18 2003-01-16 선택 가능한 무게 중심과 선택 가능한 샤프트를 갖는 우드클럽 헤드를 구비한 골프 클럽 우드
TW092101059A TWI227676B (en) 2002-01-18 2003-01-17 Golf club woods with wood club head having a selectable center of gravity and a selectable shaft
US10/722,579 US7166035B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US10/722,580 US8827842B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US10/722,585 US7159451B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US11/337,347 US7621828B2 (en) 2002-01-18 2006-01-23 Systems and methods for evaluating putter performance
US11/614,156 US20070155529A1 (en) 2002-01-18 2006-12-21 Quick disconnect system for coupling a golf club head with a golf club shaft
US13/170,114 US8696497B2 (en) 2002-01-18 2011-06-27 Systems and methods for fitting golf equipment
US13/450,364 US20120202610A1 (en) 2002-01-18 2012-04-18 Systems and methods for fitting golf equipment
US14/479,227 US20140378238A1 (en) 2002-01-18 2014-09-05 Systems and methods for fitting golf equipment
US15/421,937 US20170151462A1 (en) 2002-01-18 2017-02-01 Systems and methods for fitting golf equipment
US15/589,815 US20170239522A1 (en) 2002-01-18 2017-05-08 Systems and methods for fitting golf equipment
US16/244,929 US20190143175A1 (en) 2002-01-18 2019-01-10 Systems and methods for fitting golf equipment

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US10/722,580 Continuation-In-Part US8827842B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US10/722,585 Continuation-In-Part US7159451B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US11/614,156 Continuation US20070155529A1 (en) 2002-01-18 2006-12-21 Quick disconnect system for coupling a golf club head with a golf club shaft

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US10/722,580 Expired - Fee Related US8827842B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US10/722,585 Expired - Lifetime US7159451B2 (en) 2002-01-18 2003-11-26 Systems and methods for fitting golf equipment
US11/614,156 Abandoned US20070155529A1 (en) 2002-01-18 2006-12-21 Quick disconnect system for coupling a golf club head with a golf club shaft
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US11/614,156 Abandoned US20070155529A1 (en) 2002-01-18 2006-12-21 Quick disconnect system for coupling a golf club head with a golf club shaft
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JP2005515046A (ja) 2005-05-26
KR20040101208A (ko) 2004-12-02
US8827842B2 (en) 2014-09-09
US20070155529A1 (en) 2007-07-05
US7159451B2 (en) 2007-01-09
US20050079932A1 (en) 2005-04-14
EP1476227A1 (en) 2004-11-17
WO2003061773A1 (en) 2003-07-31
TW200303777A (en) 2003-09-16
EP1476227A4 (en) 2008-04-16
US7166035B2 (en) 2007-01-23
TWI227676B (en) 2005-02-11
US20050085311A1 (en) 2005-04-21
US20140378238A1 (en) 2014-12-25
US20050085309A1 (en) 2005-04-21
CA2473659A1 (en) 2003-07-31

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