EP1191983A1 - Golf club head with adjustable weights - Google Patents
Golf club head with adjustable weightsInfo
- Publication number
- EP1191983A1 EP1191983A1 EP01914257A EP01914257A EP1191983A1 EP 1191983 A1 EP1191983 A1 EP 1191983A1 EP 01914257 A EP01914257 A EP 01914257A EP 01914257 A EP01914257 A EP 01914257A EP 1191983 A1 EP1191983 A1 EP 1191983A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- club head
- golf club
- tubular sleeve
- sleeves
- screws
- 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.)
- Withdrawn
Links
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
- A63B53/04—Heads
-
- 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
- A63B53/06—Heads adjustable
-
- 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
-
- 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
- A63B2053/0495—Heads with added weights, e.g. changeable, replaceable moving on impact, slidable, spring or otherwise elastically biased
-
- 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
Definitions
- the present invention regards a golf club head with adjustable weights in accordance with the preamble of Claim 1, preferably a golf club head made of metal, such as a driver or a wood.
- An object of the present invention is to be able to adjust the weight distribution and thereby the balance of golf club head in such a manner that the changes lie that which is allowed according to Rule 4 and Appendix II.
- All golf clubs have a common feature; that of having a low centre of gravity in order to give the ball an underscrew and thereby a high trajectory.
- the actual striking surface must be rigid in order for the ball to go far.
- the masses on either side of the centre of the striking surface (the sweet-spot) is approximately equal.
- a putter head incorporating adjustable weights is known from UK patent application no. GB 2 334454 A, and a similar putter head with an adjustable weight is known from international patent publication WO 96/32165.
- An object of the present invention is to be able to adjust the centre of gravity of the club head, and thereby the trajectory of the ball.
- Another object is to be able to adjust the centre of gravity of the club head according to the skill and playing style of the individual.
- a metal golf club head with adjustable weights which club head includes at least a bottom face, a front face and a top face, in which club head is provided one ore more tubular sleeves extending from the rear part of the club forward to the front face, in which tubular sleeves may be provided screws or weights, characterised in that the tubular sleeve or sleeves are provided at an angle from the centre line of the front face down towards the rear part of the bottom face, and that one end of the tubular sleeve is open to the bottom face
- the tubular sleeve or sleeves are preferably equipped with an internal thread or grooves, a complementary shaped screw or weight arranged in each tubular sleeve, which screw is selectively adjustable to any position between the ends of the tubular sleeve.
- the screws are manufactured from a material or a mixture of materials with a high density of mass, e.g. a metal or metal alloy, preferably tungsten.
- a material or a mixture of materials with a high density of mass e.g. a metal or metal alloy, preferably tungsten.
- the opening of the tubular sleeve may in accordance with one embodiment be provided with a lid.
- the screw has a length that essentially corresponds to the length of the tubular sleeve, and the screw is preferably in the form of a cylindrically shaped, externally threaded body.
- one or more parts of the screw consist of a metal or a metal alloy, with the remaining part consisting of plastic, which parts are preferably joined by gluing.
- the golf club head may include two tubular sleeves positioned approximately symmetrically about the centre line of the striking surface, with associated moveable screws.
- tubular sleeve or sleeves are cast integrally with the rest of the club head.
- Figure 1 shows a sectional side view of a golf club head in accordance with the present invention
- Figure 2 shows a top section of a golf club head in accordance with figure 1, showing the positioning of two tubular sleeves with screws provided at the bottom of the tubular sleeves;
- Figure 3 is a sectional view of a golf club head according to Figure 2, in which the screws are arranged at the opening of the tubular sleeves;
- Figure 4 is a sectional view of a golf club head according to Figures 2 and 3, in which the screws are arranged diagonally in relation to each other;
- Figure 5 is a sectional top view of a golf club head showing the club head with a tubular sleeve positioned at the centre of the club head and an associated screw;
- Figure 6 is a perspective drawing showing the club head from the rear, with a tubular sleeve and associated screw;
- Figure 7 is a perspective drawing showing the club head from the rear, with two tubular sleeves and associated screws.
- Figure 1 shows a sectional view of a club head termed a driver or a wood.
- the club head shown includes a front face 3 and a bottom face 2.
- the bottom face 2 includes one or more tubular sleeves 1 attached to the bottom face 2 by means of appropriate fixing means, such as welding, gluing or integrally cast with the club head.
- the tubular sleeve or sleeves are positioned in a manner such that the opening of the tubular sleeve is located at the rear part of the bottom face of the club head and are positioned at an angle up towards the centre 4 of the striking surface (front face).
- the tubular sleeves will be approximately diagonal.
- the tubular sleeve is provided with an internal thread or grooves 6.
- a complementary shape screw or weight 7 made from a material, preferably metal, with a relatively high density or mixture of several materials, such as tungsten, may be screwed into the tubular sleeve 1.
- the length of the screw 7 is shorter than the length of the tubular sleeve, so as to allow it to be screwed back and forth in the tubular sleeve as desired. In the state shown in Figure 1, the screw 7 is screwed in almost to the bottom of the tubular sleeve 1, however it is obvious that the screw may be placed at any position between the ends of the tubular sleeve 1.
- a lid 8 may be fastened to the opening of the tubular sleeve 1, which prevents grass and earth from penetrating into the tubular sleeve 1.
- this lid is screwed to the opening of the tubular sleeve 1.
- the tubular sleeve is arranged at an incline from the bottom face 2 and up towards the centre line 4 of the front face (striking surface) 3.
- FIGs 2 - 4 all show sectional views of the club head seen from above, with two tubular sleeves 1 and two associated screws or weights 7.
- the difference between these three figures is the mutual positioning of the screws 7.
- the purpose of being able to move the screws 7 in the tubular sleeves is to be able to achieve the desired balance of the club head.
- both screws 7 are positioned approximately at the bottom of the tubular sleeves 1, i.e. as close as possible to the centre line of the striking surface 3. This positioning of the screws 7 will result in the underscrew-effect being reduced or neutralised, which will give the maximum distance for the ball.
- the club head will be stable, because the weights, i.e. the screws 7, are located as far to the side of the centre of the striking surface as possible.
- both screws 7 are positioned at the furthest possible distance from and below the striking surface 3. This would give the ball an underscrew and thereby a high traj ectory .
- the screws 7 are positioned opposite each other, i.e. one screw 7 near the striking surface 3 and the other screw 7 furthest away from the striking surface 3. In this situation, the balancing point of the club head is displaced, thus making it possible to prevent the occurrence of "slicing", i.e. when the ball gains a screw and goes of the course.
- Figure 5 shows a variation of the club head of Figures 2-4, incorporating only one tubular sleeve and associated screw 7.
- the longitudinal direction of the tubular sleeve 1 lies in the centre 4 of the striking surface 3.
- each tubular sleeve is covered by a lid 8.
- This lid may for instance be screwed to the end of the tubular sleeves 1 and be provided with a suitable groove or similar, so as to allow the lid to be removed by use of an appropriate tool.
- the tubular sleeve or sleeves are integrally cast with the rest of the club head. If the tubular sleeves are cast simultaneously with the club head, the tubular sleeves will form an integrated part of the club head, thus avoiding tension in the material. This will in turn result in a more stable club, without any loose, screwed or welded sleeves.
- the screws or weights 7 have a length that essentially corresponds to the length of the tubular sleeve 1.
- the screws or weights 7 then consist of an externally threaded, cylmdrically shaped body of which part is a metal or metal alloy and the remaining part is made from a lighter material, for instance plastic. These two parts of the body are joined e.g. by gluing, so as to achieve a continuous body.
- An advantage of this embodiment over the embodiment shown in Figure 1 is that the open end of the tubular sleeve will not have to be shut by use of a lid.
- One end of the cylindrical body may be made from e.g. tungsten, while the other part of the body is made from plastic.
- the body may then either be inserted into the tubular sleeve 1 with the metal part forward, i.e. closest to the striking surface of the club head, or with the metal part to the rear.
- This solution makes it possible to use one and the same cylindrical body in order to move the centre of gravity of the club head both forwards and backwards.
- Another possibility is for the middle section to be made of metal and the two end parts of plastic.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20001250 | 2000-03-09 | ||
NO20001250A NO20001250L (en) | 2000-03-09 | 2000-03-09 | Metal golf ball head with moving weights |
PCT/NO2001/000105 WO2001066199A1 (en) | 2000-03-09 | 2001-03-09 | Golf club head with adjustable weights |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1191983A1 true EP1191983A1 (en) | 2002-04-03 |
Family
ID=19910864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01914257A Withdrawn EP1191983A1 (en) | 2000-03-09 | 2001-03-09 | Golf club head with adjustable weights |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020137576A1 (en) |
EP (1) | EP1191983A1 (en) |
AU (1) | AU3960201A (en) |
NO (1) | NO20001250L (en) |
WO (1) | WO2001066199A1 (en) |
Families Citing this family (125)
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US11759685B2 (en) | 2020-12-28 | 2023-09-19 | Taylor Made Golf Company, Inc. | Golf club heads |
US11679313B2 (en) | 2021-09-24 | 2023-06-20 | Acushnet Company | Golf club head |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB440379A (en) * | 1934-07-25 | 1935-12-30 | George Edward Bowser | Improvements in or relating to clubs, mallets and like striking appliances for ball games |
US3897066A (en) * | 1973-11-28 | 1975-07-29 | Peter A Belmont | Golf club heads and process |
US4869507A (en) * | 1986-06-16 | 1989-09-26 | Players Golf, Inc. | Golf club |
DE9012884U1 (en) * | 1990-09-10 | 1990-11-15 | Lu, Ben, Kao-Hsiung, Nantou, Tw |
-
2000
- 2000-03-09 NO NO20001250A patent/NO20001250L/en not_active Application Discontinuation
-
2001
- 2001-03-09 EP EP01914257A patent/EP1191983A1/en not_active Withdrawn
- 2001-03-09 WO PCT/NO2001/000105 patent/WO2001066199A1/en active Application Filing
- 2001-03-09 US US10/030,152 patent/US20020137576A1/en not_active Abandoned
- 2001-03-09 AU AU39602/01A patent/AU3960201A/en not_active Abandoned
Non-Patent Citations (1)
Title |
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See references of WO0166199A1 * |
Also Published As
Publication number | Publication date |
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US20020137576A1 (en) | 2002-09-26 |
WO2001066199A1 (en) | 2001-09-13 |
NO20001250L (en) | 2001-09-10 |
AU3960201A (en) | 2001-09-17 |
NO20001250D0 (en) | 2000-03-09 |
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