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Patent Searching and Data


Title:
GRIP OF GOLF CLUB
Document Type and Number:
WIPO Patent Application WO/2007/013716
Kind Code:
A1
Abstract:
A grip of a golf club, securely mounted to an end of a shaft of the golf club, comprising: a cylindrical body (31) having an inside surface (31a) into which the shaft (10) is securely inserted and an outside surface (31b) contacting a golfer's hand, and center indicating points formed on a leading part and a trailing part in an exact center of the outside surface (31b); and a projection (40) extended from the leading part to the trailing part to one side of the center of the inside surface (31a) of the body (31) and projecting inwards.

Inventors:
SEO HAN SUK (KR)
Application Number:
PCT/KR2005/003294
Publication Date:
February 01, 2007
Filing Date:
October 06, 2005
Export Citation:
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Assignee:
SEO HAN SUK (KR)
International Classes:
A63B53/14
Foreign References:
JP2003180892A2003-07-02
JPS52160471A
KR200387188Y12005-06-17
JPH0889606A1996-04-09
Attorney, Agent or Firm:
KIM, Joong Hyo (Minsuk Bldg. 649-8 Yeoksam-don, Kangnam-gu Seoul 135-912, KR)
Download PDF:
Claims:

Claims

[1] A grip of a golf club, securely mounted to an end of a shaft of the golf club, comprising: a cylindrical body (31) having an inside surface (31a) into which the shaft (10) is securely inserted and an outside surface (31b) contacting a golfer's hand, and center indicating points formed on a leading part and a trailing part in an exact center of the outside surface (31b); and a projection (40) extended from the leading part to the trailing part to one side of the center of the inside surface (31a) of the body (31) and projecting inwards.

[2] The grip of the golf club according to claim 1, wherein the projection (40) is formed at a position such that an angle (θ) between a central vertical line (L) passing a center indicating point (32) formed on a central trailing part of the body (31) and a central line (Ll) passing a center of the body (31) of the grip (30) and a center of the projection (40) is in a range from 110° to 130°.

[3] The grip of the golf club according to claim 1 or 2, wherein the projection (40) is formed at a position such that an angle (θ) between a central vertical line (L) passing the center indicating point (32) formed on the central trailing part of the body (31) and a central line (Ll) passing the center of the body (31) of the grip (30) and the center of the projection (40) is 120°.

[4] The grip of the golf club according to claim 1, wherein the projection (40) extends from a middle part to the trailing part to one side of a center of the inside surface (31a) of the body (31) of the grip (30).

Description:

Description

GRIP OF GOLF CLUB

Technical Field

[1] The present invention relates, in general, to a grip of a golf club and, more particularly, to a grip of a golf club, capable of enhancing the accuracy of a head surface hitting point and the distance that a golf ball flies, by promoting precise form when holding the golf grip, by preventing the grip within the palm of a golfer holding it from being shaken or deviated to thereby rotate the golf club, when the golfer takes a swing with the golf club, wherein a projection is formed on an inside surface of the grip of the golf club, the projection projecting to the outside of the grip when the grip is fixed into a shaft, and the projection being positioned in the knuckles of the fingers of golfer holding the grip.

Background Art

[2] Recently a large number of persons have a lot of interest in golf because golf can improve the balance of one's body and support a strong lower part and a robust upper part of one's body, elevate one's mind, and stabilize one's emotions. As a result, golf has become one of the popular sports and is enjoyed by a large number of persons.

[3] As is well known, golf is a game the object of which is to determine the ranking based on the number of hits required to put a golf ball in a predetermined hole cup: the golfer with the lowest number of hits becomes the winner. For playing golf, a variety of shots, for example, a drive shot, an iron shot, a bunker shot, an approach shot, a putt and so on, is made with a variety of golf clubs.

[4] To correctly put a golf ball in a hole cup with the minimum number of hits using the golf club, various kinds of golf clubs: a wood or an iron, which vary the distance according to an angle of inclination (loft) of a head to a shaft and the ballistic trajectory, a wedge to play near the green, a putter to put a ball in the hole cup by finally rolling the ball on the green, and the like, are used with the same swing.

[5] According to its inherent property as a material, since the wood has a low ballistic trajectory and has little or no loft, the ball flies straight and very far. The iron, made of iron, has a longer ballistic trajectory and a large loft angle, and thus, the ball flies high but less far. In this respect, the wood is used to drive a golf ball a long distance and the iron is used to precisely move the golf ball when approaching the target. Taking this into consideration, the golfer selectively uses golf clubs by calculating the distance and effectively avoiding obstacles.

[6] In playing a golf game, it is important to correctly select a golf club according to the remaining distance and the geographical features. However, the long distance and the

accurate directivity of the head surface hitting point when hitting a golf ball are fundamentally required.

[7] Several factors may be involved in improving the accuracy of the hitting point and the distance. Among them, one of the most important things is the golfer's swing form. The swing form should be precise from the moment when the golfer holds the grip of the golf club.

[8] The golf club is combined with a shaft on whose trailing part a grip formed from leather or synthetic rubber materials is generally fixed, and the golfer holds this grip with his/her hands.

[9] Ways for a golfer to hold the grip of a golf club are: over wrapping grip, interlocking grip and baseball grip. The overlapping grip is the most common way of holding the grip, and the portion of the golfer's palm that contacts the grip is the smallest, under which the grip is held using most of the fingers of both hands. In the interlocking grip, the right hand's little finger is engaged between the ring finger and the middle finger of the left hand. In the baseball grip, most fingers and palms of both hands contact the grip.

[10] When the golfer holds the grip of the golf club in this way, center indicating points marked on the leading part and the trailing part in the center of the grip mounted to the shaft 100 become the reference as illustrated in FlG. 1.

[11] However, this conventional gripping method creates spaces between knuckles of the fingers and the grip 110 when the golfer holds the grip 110 of the golf club, and when a back swing of the golf club is made when the grip 110 is held this way, both hands and the grip 110 may be shaken or move with respect to each other, and the golf club may be rotated, thereby resulting in driving the ball in a direction other than the direction desired by the golfer.

[12] One of the most important factors for improving the accuracy of the head surface hitting point and the distance is correct impact when hitting a golf ball, along with the golfer's swing form. At this time, the shaft of the golf club transfers the maximum energy produced when making a swing to the ball and the sense of hitting the ball created by impacting with the ball to the golfer. Immediately prior to impact, the head is caused to move ahead of the shaft because of the acceleration of the strong downswing, and at the moment of an impact, the head retreats behind due to the enormous collision and the shaft bends forwards and backwards like waves. This phenomenon is repeated several times and then stops when the swing ends.

[13] The sense of hitting the ball as described above is transferred to the golfer's hand through the shaft and the grip. At this time, the conventional grip cannot endure the force transferred by the shaft, the grip and the golfer's palm holding the grip are displaced, and the golf club is rotated without the golfer being aware of it. Ac-

cordingly, on impact, the head surface hitting point and direction do not exactly correspond, and thus, the ball flies in a different direction.

[14] Since the phenomena of the grip and the golfer's palm being shaken or deviated upon swinging and impact and the golf club being rotated without the golfer being aware of it occur frequently, the golfer has difficulty maintaining correct form when holding the grip, so that the golfer cannot swing while holding the grip with the same form every time. Disclosure of Invention Technical Problem

[15] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a grip of a golf club capable of enhancing the accuracy of a head surface hitting point and the distance that a golf ball flies, while promoting precise form when holding the golf grip, by preventing the grip within the palm of a golfer holding it from being shaken or deviated to thereby rotate the golf club, when the golfer takes a swing with the golf club, wherein a projection is formed on one side in the exact center of an inside surface thereof, the projection projecting to the outside of the grip when the grip is fixed into a shaft, and the projection being positioned in the knuckles of the fingers of the golfer holding the grip to thereby allow the golfer to precisely maintain gripping form.

Technical Solution

[16] In order to accomplish the above object(s), the present invention provides a grip of a golf club, securely mounted to an end of a shaft of the golf club, comprising: a cylindrical body (31) having an inside surface (31a) into which the shaft (10) is securely inserted and an outside surface (31b) contacting a golfer's hand, and center indicating points formed on a leading part and a trailing part in the exact center of the outside surface (31b); and a projection (40) extended from the leading part to the trailing part on one side based on the center of the inside surface (31a) of the body (31) and projecting inwards.

Advantageous Effects

[17] As described above, the grip of the golf club according to the present invention is effective in promoting correct form when holding the grip since the projection projecting to the outside surface of the body when holding the grip is positioned in the knuckles of both of the golfer's hands, and in improving the ability to play golf by enhancing a comfortable grip and the sense of stability of the grip in the palm.

[18] In addition, since shaking or displacement of the grip in the palm holding the grip and rotation of the golf club are prevented when making a swing or an impact with the

golf club, the correct head surface hitting point and the distance are enhanced. Brief Description of the Drawings

[19] FlG. 1 illustrates a golf club according to the conventional art;

[20] FlG. 2 illustrates a grip of a golf club according to the present invention;

[21] FlG. 3 is a sectional view taken along line A-A' of FlG. 1 according to the present invention;

[22] FlG. 4 is a sectional view taken along line B -B ' of FlG. 1 according to the present invention;

[23] FlG. 5 illustrates a development drawing of the grip according to the present invention;

[24] FlG. 6 is a perspective sectional view of the grip according to the present invention;

[25] FlG. 7 illustrates a coupling state of the grip according to the present invention;

[26] FlG. 8 illustrates a state of holding the grip according to the present invention;

[27] FlG. 9 is a sectional view taken along line C-C of FlG. 8 according to the present invention; and

[28] FlG. 10 is a perspective sectional view of the grip according to another exemplary e mbodiment of the present invention. Best Mode for Carrying Out the Invention

[29] Hereinafter, a grip of a golf club according to the present invention will be described in detail with reference to the accompanying drawings.

[30] FlG. 2 illustrates a grip of a golf club according to the present invention, FlG. 3 is a sectional view taken along line A-A' of FlG. 1 according to the present invention, FlG. 4 is a sectional view taken along line B-B' of FlG. 1 according to the present invention, FlG. 5 illustrates a development drawing of the grip according to the present invention, and FlG. 6 is a perspective sectional view of the grip according to the present invention. The present invention provides a grip of a golf club, fixed to a trailing part of a shaft of the golf club, comprising a cylindrical body 31 having an inside surface 31a into which the shaft 10 is securely inserted and an outside surface 31b contacting a golfer's palm, and center indicating points 32 on a leading part and a trailing part in the exact center of the outside surface 31b, and a projection extended from the leading part to the trailing part on one side in the center of the inside surface 3 Ia of the body 31 and projecting inwards.

[31] In implementing the present invention, the projection 40 is desirably formed at a position such that the angle (θ) between a central vertical line L passing the center indicating point 32 formed on the center lower end of the body 31 and the center of the body 31 in terms of the grip 30, and a central line Ll passing the center of the body 31 and the center of the projection 30, is in the range of 110° to 130°, as illustrated in FlG.

4.

[32] In implementing the present invention, the projection 40 may be formed at a position such that the angle (θ) between a central vertical line L passing the center indicating point 32 formed on the center lower end of the body 31 and the center of the body 31 in terms of the grip 30, and a central line Ll passing the center of the body 31 and the center of the projection 30, is 120°.

[33] As another exemplary embodiment of the present invention, the projection 40 may extend from the middle part to the lower end part on one side in the center of the inside surface 31a of the main body 31 of the grip 30, as illustrated in FlG. 10.

[34] FlG. 7 illustrates a coupling state of the grip according to the present invention,

FlG. 8 illustrates a state of holding the grip according to the present invention, FlG. 9 is a sectional view taken along line C-C of FlG. 8 according to the present invention, and FlG. 10 is a perspective sectional view of the grip according to another exemplary embodiment of the present invention.

[35] Use of the grip of the golf club according to the present invention will be described.

[36] As illustrated, the golf club comprises a shaft 10, a head 20 fixed to a leading part of the shaft 10, and a grip fixed to a trailing part of the shaft 10.

[37] The grip 30 according to an exemplary embodiment of the present invention, as illustrated in FIGS. 2 to 6, comprises a cylindrical body 31 having an inside surface 31a into which the shaft 10 is securely inserted and an outside surface 31b contacting a golfer's palm, and center indicating points 31 formed on the leading part and the trailing part in the exact center of the outside surface 31b, and a projection 40 extended from the leading part of the body 31 to the trailing part thereof on one side of the center of the inside surface 31a of the body and projecting inwards.

[38] As illustrated in FIGS. 4 and 5, the projection is formed to the right of the center of the trailing part of the grip 30. At this time, it is preferred that the angle between a central vertical line L in the vertical direction passing a center indicating point 32 formed in the center trailing part of the body 31 of the grip 30 and the center of the body 31 of the grip 30 and a central line Ll passing the center of the body 31 of the grip 30 and the center of the projection 40 is 60°. That is, the projection 40 is formed in the four-o'clock direction based on the center indicating point 32.

[39] The grip 30 with the configuration described above is fixed to the trailing part of the shaft 10, to the leading part of which the club head 20 is fixed as illustrated in FlG. 7.

[40] At this time, when the trailing part of the shaft 10 is inserted into and fixed to the inside surface 31a of the body 31 of the grip 30, the projection 40 projecting inwards on the inside surface 31a of the grip 30 is pressed to the outside surface 31b of the body 31 from the inside surface 31a of the body of the grip 30 by the shaft 10 and the portion on which the projection 40 on the body 31 of the grip 30 is positioned is

formed with the projection 40 projecting toward the outside surface 21b as illustrated in FIGS. 8 and 9.

[41] To describe the grip 30 fixed to the trailing part of the shaft 10 based on the over wrapping grip method, a golfer holds the grip 30 with his/her left hand, in a state such that is inclined in the third knuckle of the little finger and the middle knuckle of the ring finger, while applying force to it sequentially from the little finger, the ring finger and the middle finger.

[42] At this time, it is desirable to apply force to some degree so that the grip 30 is not dislodged when making a swing.

[43] After grasping the grip with the little finger, the ring finger and the middle finger of the left hand, the golfer finally holds the grip with his/her thumb in the center of the grip comfortably, thereby slightly pushing it to the right.

[44] The grip is then grasped with the right hand comfortably, thereby joining with the left palm. At this time, the little finger is put on the ring finger of the left hand and the thumb of the right hand is placed over that of the left hand. Like the left hand, the thumb of the right hand is desirably deviated to the left side of the center of the grip 30 to some degree.

[45] At this time, the projection 40 of the grip 30 is compressed to the outside surface

31b from the inside surface 31a whereby a projection projecting toward the outside surface 3 Ib of the grip 30 is formed. The projection 40 is positioned in the first knuckle of the index finger and the second knuckles of the middle finger and the ring finger of the golfer's left hand holding the body 31 of the grip 30.

[46] As described above, since the projection 40 projecting toward the outside surface

31b of the body 31 of the grip 30 is positioned in the knuckles of the golfer's left hand holding the grip 30, the grip 30 is more stably held, thereby allowing the golfer to assure correct form when holding the grip 30.

[47] The projection 40 of the grip 30 extends from the leading part of the inside surface

3 Ia of the grip 30 to the trailing part thereof and projects toward the outside surface 31b of the body 31 of the grip 31 whereby the projection can be positioned in the knuckles of the left hand and at the same time of the right hand, thereby allowing the golfer to assure precise form when holding the grip.

[48] As described above, since the projection projecting toward the outside surface of the body of the grip to the right can be positioned in the knuckles of both hands of the golfer holding the grip of the golf club, deviation of the grip from the golfer's palm can be prevented when taking a swing or striking a ball with the surface of the golf head, thereby being capable of maintaining correct form when holding the grip and of increasing the distance.

[49] As another exemplary embodiment of the present invention, the projection 40 of the

grip may extend from the middle part to the trailing part of the inside surface of the grip as illustrated in FlG. 10, whereby the projection projecting to the outside surface of the body of the grip can be positioned only on the knuckles of the left hand when holding the grip.

Industrial Applicability

[50] As described above, exemplary embodiments of the present invention have been described with respect to the grip 30 for the right-hand golfer by way of example. However, in the golf club for a left-handed golfer according to the present invention, it is obvious that the projection 40 projecting on the inside surface 31a of the body 31 of the grip 30 should be formed to the left based on the central vertical line L in the vertical direction passing the center of the grip 30. Accordingly, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.