KR101644404B1 - Golf club capable of adjusting loft angle and length of shaft - Google Patents

Golf club capable of adjusting loft angle and length of shaft Download PDF

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Publication number
KR101644404B1
KR101644404B1 KR1020150128999A KR20150128999A KR101644404B1 KR 101644404 B1 KR101644404 B1 KR 101644404B1 KR 1020150128999 A KR1020150128999 A KR 1020150128999A KR 20150128999 A KR20150128999 A KR 20150128999A KR 101644404 B1 KR101644404 B1 KR 101644404B1
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South Korea
Prior art keywords
shaft
head
adjacent
golf club
grooves
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KR1020150128999A
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Korean (ko)
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배원용
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주식회사 먼셀
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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
    • A63B53/04—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
    • A63B60/06—Handles
    • A63B60/22—Adjustable handles
    • 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
    • A63B60/06—Handles
    • A63B60/22—Adjustable handles
    • A63B60/28—Adjustable handles with adjustable length
    • A63B2053/022—
    • A63B2053/026—

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)

Abstract

A golf club according to the present invention comprises: a head (100) vertically extended from a face having a particular loft angle and a neck extended from a hill, and including a housing (150) having a space formed therein; a hollow shaft (200) fitted to a hollow part of the housing (150), having a plurality of setting grooves (220) and a guide groove (230) for connecting the setting grooves which are formed in both facing sides of one end thereof, and having a grip (270) attached to the other end thereof; and an adjusting part (320) coupled with the outer circumference of the housing (150), and having one or more setting projections (321). When the golf club according to the present invention is used, by means of a simple structure thereof, a loft angle of a head of the golf club and the length of a shaft can be simultaneously adjusted, so one iron club can be used as a plurality of iron clubs, for example, from No. 3 iron to No. 9 iron, and as a pitching wedge, a gap wedge, and a sand wedge. Accordingly, convenience that golfers feel is promoted, and performance of the golfers can be improved.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a golf club which can simultaneously control a loft angle and a shaft length,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf club, and more particularly, to a golf club capable of simultaneously adjusting a length of a shaft and a loft angle.

In general, golf is a type of sport in which a ball is hit in one of the holes in the order of a drive, an iron / approach, and a putting, and placed in a hole cup located on the opposite side.

In order to play such a golf, a tool is needed to strike the ball, which is a golf club, and a golf club is a driver or wood club for long distance hitting, a long iron for medium distance hitting, a short iron for short distance hitting, A pitching wedge or sand wedge for putting on the green, and a putter for putting the ball on the green into the hole cup. The iron club, the pitching wedge and the sand wedge are made up of a head striking the ball and a shaft coupled to the neck of the head.

In general, the inclination of the face of the head, that is, the angle formed by the line perpendicular to the ground and the face surface is referred to as a golf club loft angle. This loft angle is an important factor determining the distance of the ball along with the length of the shaft. The longer the shaft is, the longer the distance of the ball, the shorter the length of the shaft, the shorter the distance of the ball. Accordingly, in the case of the long iron, the loft angle is small and the length of the shaft is long, and in the case of the short iron, the loft angle is large and the length of the shaft is short.

Therefore, in order to golf, such an iron club usually has to have 3 iron to 9 iron according to the length of the loft angle and the shaft, and it is required to have a pitching wedge, a gap wedge, a sand wedge and the like.

Since a large number of iron clubs must be provided as described above, it is difficult to move the golf clubs when playing in the field, and a considerable cost is incurred in providing the golf clubs, which is an economical burden. Further, even when practicing golf on a golf driving range, it is necessary to carry a large number of iron clubs, pitching wedges, gap wedges, sand wedges, and the like, so that the weight of the golf bag becomes heavy and inconvenience when moving.

In the Utility Model Registration No. 20-0369806, there is disclosed a golf club which can adjust the loft angle of the head. With this golf club, the loft angle of the face of the club head can be easily adjusted, For example, there is an advantage that the pitching wedge function and the sand wedge function can be performed.

However, the golf club of the registered utility model can not perform a plurality of iron clubs and a plurality of wedge functions because only the loft angle of the club head can be adjusted and the length of the shaft can not be adjusted.

Open No. 2002-0062619 discloses an iron club in which a length of a shaft and a loft angle of a head are simultaneously adjusted. Using such a golf club, a plurality of iron clubs having different lengths of the shaft and loft angle of the head So that the golfers can enjoy the convenience.

However, in the golf club disclosed in the above-mentioned patent publication, a bevel gear set for adjusting the angle or a worm gear and a worm wheel set are installed in the shaft, thereby complicating the structure of the golf club.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, It is an object of the present invention to provide an iron golf club which can simultaneously adjust a loft angle and a shaft length with a simple structure, and a plurality of iron clubs, for example, a three iron to nine iron, a pitching wedge, Gap wedge, and sand wedge so as to improve the performance of the golfer while maintaining the convenience of the golfer.

It is another object of the present invention to provide a multi-function iron club which has a plurality of iron clubs, a pitch and a sand wedge function as one iron club, thereby reducing the economic burden on the golfer.

In one aspect of the present invention, a golf club of the present invention includes: a head having a face extending at a predetermined loft angle and a neck extending from the heel and having a space formed therein; A hollow shaft fitted to the hollow portion of the housing and having a plurality of setting grooves and a guide groove for connecting the setting grooves to opposite ends of the housing at one end and having a grip at the other end; And an adjuster attached to an outer periphery of the housing and having at least one setting protrusion.

In the golf club according to the first embodiment of the present invention, a pushing piece is attached to one or more setting projections of the adjustment port, and an elastic member is provided on the opposite side of the setting projection of the pushing piece, and between the setting protrusion and the elastic member A support member can be formed.

Further, in the golf club according to the first embodiment of the present invention, an inner shaft is additionally provided inside the one end of the shaft, the lower end of the inner shaft is in contact with the neck of the head, And an elastic member for pressing the inner shaft downward can be installed.

In the golf club according to the first embodiment of the present invention, adjacent setting grooves of the shaft include irons 3, 4, 5, 6, 7, 8 and 9 and PW, GW and SW Respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

In addition, in the golf club according to the first embodiment of the present invention, adjacent setting grooves of the shaft are formed corresponding to the wood 1, 3, 5 and 7, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

In addition, in the golf club according to the first embodiment of the present invention, the index indicating the number of the golf club is attached to the outer periphery of one end of the shaft, the upper end of the housing is aligned with the number of the corresponding golf club of the index, And the loft angle of the head can be adjusted.

In another aspect of the present invention, a golf club according to a second embodiment of the present invention includes a head having a face and a shaft, A head having a plurality of setting grooves and guide grooves formed on opposite sides of an outer circumferential surface of the head shaft for connecting the setting grooves; A hollow shaft having a housing in which the head shaft is inserted at one end and to which a grip is attached at the other end; And an adjusting hole attached to an outer periphery of the housing and having a setting protrusion.

In the golf club according to the second embodiment of the present invention, a pushing piece is attached to the setting protrusion of the adjustment port, and an elastic member is provided on the opposite side of the setting protrusion of the pushing piece, and between the setting protrusion and the elastic member, Can be formed.

In the golf club according to the second embodiment of the present invention, a male thread is formed on the outer peripheral surface of the lower end of the housing of the shaft, one or more slits are formed in the longitudinal direction, and a ring- And is preferably coupled to a male thread on the outer peripheral surface of the lower end of the housing.

Further, in the golf club according to the second embodiment of the present invention, the adjacent setting grooves of the head shaft are formed corresponding to the irons 3, 4, 5, 6, and 7, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

In the golf club according to the second embodiment of the present invention, the adjacent setting grooves of the head shaft are formed corresponding to the irons 8 and 9 and PW, GW and SW, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

Further, in the golf club according to the second embodiment of the present invention, adjacent setting grooves of the head shaft are formed corresponding to the wood 1, 3, 5 and 7, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

Further, in the golf club according to the second embodiment of the present invention, the index indicating the number of the golf club is attached to the outer periphery of the one end of the head shaft, and the lower end of the housing is aligned with the number of the corresponding golf club of the index The length of the shaft 200 and the loft angle of the head can be adjusted.

In another aspect of the present invention, a golf club according to a third aspect of the present invention is a golf club including a head and a shaft, the golf club comprising: a face having a predetermined loft angle; A head (100) comprising a head shaft, wherein a plurality of setting grooves and guide grooves connecting the setting grooves are formed on opposite sides of an outer circumferential surface of the head shaft; A hollow shaft into which the head shaft is inserted at one end and a grip is attached at the other end; And a receiving portion for receiving two spherical members that can be seated in opposing setting grooves of the plurality of setting grooves, wherein each of the spherical members accommodated in the receiving portion is deflected by the elastic member into the setting groove And the like.

In the golf club according to the third embodiment of the present invention, a male thread is formed on the outer peripheral surface of the lower end of the shaft and one or more slits are formed in the longitudinal direction, and a ring- To the outer circumferential surface of the housing.

Further, in the golf club according to the third embodiment of the present invention, adjacent setting grooves of the head shaft are formed corresponding to the irons 3, 4, 5, 6 and 7, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

In the golf club according to the third embodiment of the present invention, the adjacent setting grooves of the head shaft are formed corresponding to the irons 8 and 9 and PW, GW and SW, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

In addition, in the golf club according to the third embodiment of the present invention, adjacent setting grooves of the head shaft are formed corresponding to the wood 1, 3, 5 and 7, respectively; The distance in the vertical direction between adjacent setting grooves preferably corresponds to the difference in length of adjacent golf clubs.

Further, in the golf club according to the third embodiment of the present invention, the index indicating the number of the golf club is attached to the outer periphery of one end of the head shaft, and the lower end of the shaft is aligned with the number of the corresponding golf club of the index The length of the shaft and the loft angle of the head can be adjusted.

In the golf club according to the third embodiment of the present invention, a streamlined housing may be attached to the outside of the regulating opening.

With the golf club according to the present invention, the loft angle of the head of the golf club and the length of the shaft can be adjusted at the same time with a simple structure, so that a single iron club is provided with a plurality of iron clubs, for example, And a pitching wedge, a gap wedge, and a sand wedge, it is possible to improve the performance of the golfer while improving the convenience of the golfer.

1 is a view showing a loft angle of a head of a golf club of the prior art.
2 is a view of a prior art golf club capable of adjusting the loft angle of the head of a golf club.
3A is a view showing a golf club of the prior art capable of simultaneously adjusting the length of the shaft of the golf club and the loft angle of the head.
FIG. 3B is a view showing a bevel gear set for adjusting the loft angle of the head in the golf club of FIG. 3A. FIG.
FIG. 3C is a view showing a worm gear and a worm wheel set for adjusting the loft angle of the head in the golf club of FIG. 3A.
4 is a view schematically showing a golf club according to a first embodiment of the present invention.
Fig. 5 is a view showing the arrangement of the inner shaft in the golf club of Fig. 4;
Fig. 6 is a view showing the shaft length and the loft angle adjusting opening of the head in the golf club of Fig. 4;
7 is a view showing the cover of the housing in the golf club of Fig.
8 is a view schematically showing a golf club according to a second embodiment of the present invention.
Figure 9 is a partially exploded perspective view of the golf club of Figure 8;
Fig. 10 is a cross-sectional view of the shaft length in the golf club of Fig. 8 and the loft angle adjustment port of the head. Fig.
11 is a view schematically showing a golf club according to a third embodiment of the present invention.
Figure 12a is a partial side view of the head shaft of the golf club of Figure 11;
12B is a partial longitudinal cross-sectional view of the head shaft of the golf club of Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The above objects, features and advantages will become more apparent through the following examples in conjunction with the accompanying drawings.

It is to be understood that the specific structure or functional description is illustrative only for the purpose of describing an embodiment according to the concept of the present invention and that the embodiments according to the concept of the present invention may be embodied in various forms, Should not be construed as limited to these.

The embodiments according to the concept of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in the specification of the present application. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all changes, equivalents and alternatives included in the spirit and scope of the present invention.

The terminology used in the specification of the present application is used only to describe a specific embodiment and is not intended to limit the present invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. It is to be understood that the terms such as " comprises "or" having "in this specification are intended to specify the presence of stated features, integers, But do not preclude the presence or addition of steps, operations, elements, parts, or combinations thereof.

Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

4 is a view schematically showing a golf club according to a first embodiment of the present invention; Figure 5 is a view showing the arrangement of the inner shaft in the golf club of Figure 4; Fig. 6 is a view showing a shaft length and a loft angle adjustment port of the head in the golf club of Fig. 4; Fig. 7 is a view showing the cover of the housing in the golf club of Fig.

Referring to Figs. 4 to 7, a golf club of the present invention capable of simultaneously adjusting the length of the shaft and the loft angle of the head will be described. The golf club of FIG. 4 includes a head 100 having a housing 150 extending vertically from a face extending from the heel to a face having a predetermined loft angle and having a space formed therein; A plurality of setting grooves 220 and a guide groove 230 for connecting the setting grooves are formed at opposite ends of one end of the housing 150 and a grip 270 is attached to the other end A hollow shaft (200); And a regulating opening 320 coupled to the outer periphery of the housing 150 and having at least one setting protrusion 321. [

The adjacent setting grooves 220 of the shaft 200 are formed to correspond to the iron 3, 4, 5, 6, 7, 8 and 9 and PW, GW ; It is preferable that the vertical distance between the adjacent setting grooves 220 corresponds to the difference in length between adjacent golf clubs. For example, the shaft lengths of 3, 4, 5, 6, 7, 8, 9 and PW are 39 inches, 38.5 inches, 38 inches, 37.5 inches, 37 inches, 36.5 inches, 36 inches and 35.75 inches, the vertical distance between the setting grooves 3 and 4 is 0.5 inches. When the length of the shaft is adjusted as described above, the range of the shaft length variation is set to the range of "H1" shown in Fig.

On the other hand, in the case of the long iron, the loft angle is small and in the case of the short iron, the loft angle is large. Therefore, the setting grooves 220 formed on both sides of one end of the shaft 200 are arranged in a spiral shape, When the length is adjusted, the angle of the face with respect to the line perpendicular to the ground is also increased or decreased as the head 100 is rotated. For example, the loft angles of 3, 4, 5, 6, 7, 8, 9 and PW are 21 °, 24 °, 27 °, 31 °, 35 °, 39 °, 43 ° When the length of the shaft 200 is adjusted from 3 to 4, the length of the shaft is reduced from 39 inches to 38.5 inches, and the loft angle is increased from 21 to 24 degrees.

In the golf club of the present invention, the shaft may be made of steel, graphite or the like, and the head may be manufactured by casting, forging, or the like, but is not limited thereto.

A pressing member 322 is attached to at least one setting protrusion 321 of the adjusting hole 320 and an elastic member 323 is provided on the opposite side of the setting protrusion of the pressing member. The supporting member 324 may be formed between the members 323. [ When the elastic member 323 side of the pressing piece 322 is manually pressed in the thus configured control port 320, the elastic member 323 side of the pressing piece 324 is lowered around the receiving piece 324, The side up. The setting protrusion 321 can be released from the setting groove 220 and the setting protrusion 321 is engaged with the setting groove 220 of the desired shaft in this state, 100 can be adjusted. The elastic member 323 may be a compression coil spring, but is not limited thereto.

In the golf club of the present invention, two adjustment ports (320) for adjusting the length of the shaft and the loft angle of the head may be disposed on the outer periphery of the housing (150). Since the setting protrusions 321 of the adjustment port 320 and the setting grooves 220 of the shaft 200 are coupled at two places when the two adjustment ports 320 are arranged in this manner, It is possible to prevent a clearance from being generated between the head and the shaft 200, thereby improving the sense of unity between the head and the shaft.

An inner shaft 250 is further provided inside the one end of the shaft 200. The lower end of the inner shaft 250 is in contact with the neck of the head 100, And an elastic member 260 for pressing the inner shaft 250 in a downward direction may be installed at an upper end portion thereof. As described above, the inner shaft 250 is further provided inside the one end of the shaft 200, so that the coupling force between the shaft 200 and the housing 150 of the head 100 can be increased. An elastic member 260 may be installed on the upper end of the inner shaft 250 to press the inner shaft 250 downward so that the lower end of the inner shaft 250 contacts the neck of the head 100 .

In the golf club according to the present invention, the adjacent setting grooves 220 of the shaft 200 of one golf club are formed corresponding to the irons 3, 4, 5, 6 and 7 respectively, The distance in the vertical direction between the setting grooves 220 can be set corresponding to the difference in length of adjacent golf clubs; The adjacent setting grooves 220 of the shaft 200 of the other golf club are formed corresponding to the irons 8 and 9 and the PW, GW (or AW) and SW, respectively, and the adjacent setting grooves 220 The distance in the vertical direction between the adjacent golf clubs can be set corresponding to the difference in the length of the adjacent golf clubs. By constructing a golf club like this, two clubs can be used as a club from the third iron club to the SW.

In addition, in the golf club according to the present invention, the adjacent setting grooves 220 of the shaft 200 of one golf club are formed corresponding to the irons 3, 4, 5 and 6, The distance in the vertical direction between the adjacent golf clubs 220 can be set corresponding to the difference in length of adjacent golf clubs; The adjacent setting grooves 220 of the other golf club are formed corresponding to the irons 7, 8, and 9, respectively, and the distance in the vertical direction between the adjacent setting grooves 220 is the length of the adjacent golf clubs Can be set to correspond to the car; The adjacent setting grooves 220 of another golf club are formed corresponding to PW, GW (or AW), and SW, respectively, and the vertical distance between the adjacent setting grooves 220 is equal to the distance between adjacent golf clubs Can be set to correspond to the length difference. By constructing a golf club like this, three clubs can be used as a club from the third iron club to the SW.

In addition, in the golf club according to the present invention, the adjacent setting grooves 220 of the shaft 200 are formed corresponding to the wood 1, 3, 5 and 7, respectively; The distance in the vertical direction between the adjacent setting grooves 220 can be set corresponding to the difference in length between adjacent golf clubs. If you configure a Wood Club like this, you can have one Wood Club and use it as Wood 1, 3, 5 and 7 clubs.

4 and 5, an index 280 indicating the number of the golf club is attached to the outer periphery of the shaft 200, and the upper end of the housing 150 is connected to the index 280, The length of the shaft 200 and the loft angle of the head 100 can be adjusted.

In addition, the movable cover 340 (for example, a folded folded and stretchable cover) may be provided at the upper opening of the housing 150 of the head 100 to prevent foreign matter from being mixed into the upper opening.

Next, a golf club according to a second embodiment of the present invention, in which the length of the shaft and the loft angle of the head can be simultaneously adjusted, will be described with reference to Figs. 8 to 10. Fig.

8 is a view schematically showing a golf club according to a second embodiment of the present invention; Figure 9 is a partially exploded perspective view of the golf club of Figure 8; Fig. 10 is a cross-sectional view of the shaft length in the golf club of Fig. 8 and the loft angle adjustment port of the head. Fig.

In the first embodiment described above, one end of the shaft 200 is inserted and coupled into the housing 150, which extends vertically from the neck extending from the heel of the head 100 and has a space formed therein, The head shaft 110 extending vertically from the neck extending from the heel of the head 100 is fitted in the housing 400 of the hollow shaft 200 in the second embodiment as shown in Fig. Since the configuration and operation are similar, the second embodiment will be described only in terms of differences from the first embodiment.

The golf club shown in Figs. 8 to 10 has a head shaft 110 that extends vertically from a face extending from the heel and a face having a predetermined loft angle, and the head shaft 110, which is opposed to the outer periphery of the head shaft 110 A head 100 having a plurality of setting grooves 120 on both sides and a guide groove 130 connecting the setting grooves; A shaft (200) having a housing (400) in which the head shaft (110) is inserted at one end and a grip (270) at the other end; And a regulating opening 420 attached to an outer periphery of the housing 400 and having a setting protrusion 421.

A pressing piece 422 is attached to the setting protrusion 421 of the adjusting hole 420 and an elastic member 423 is provided on the opposite side of the setting protrusion of the pressing piece 421. The setting protrusion 421 and the elastic member The support member 424 may be formed between the support members 423 and 423. When the elastic member 423 side of the pressing piece 422 is manually pressed in the thus configured control port 420, the elastic member 423 side of the pressing piece 423 is lowered around the receiving piece 424 and the pressing piece setting protrusion 421, The side up. The setting protrusion 421 can be released from the setting groove 120 and the setting protrusion 421 is engaged with the setting groove 120 of the desired head shaft 110 in this state, The length and the loft angle of the head 100 can be adjusted. The elastic member 423 may be a compression coil spring, but is not limited thereto. Male threads are formed on the outer peripheral surface of the lower end portion 410 of the housing 400 and one or more slits 430 may be formed on the lower end portion 410 in the longitudinal direction. A ring-shaped fastener 440 having a female thread may be fastened to the male threaded portion of the outer peripheral surface of the lower end portion 410. Since the slit 430 in the longitudinal direction is formed at the lower end 410 of the housing 400 when the lower end 410 of the housing 400 is coupled to the periphery of the head shaft 110, 430 are extended and the lower end portion 410 is elastically engaged with the circumferential surface of the head shaft 110. When the lower end portion 410 is fastened to the fixing hole 440 in a state where the length of the shaft 200 and the loft angle of the head 100 are adjusted by the operation of the adjusting port 420, The housing 400 can be firmly fixed to the head shaft 110 of the head 100. [ The lower end 410 of the housing 400 of the hollow shaft 200 and the ring-shaped fastener 440 are preferably screwed together, but the present invention is not limited thereto and the ring-shaped fastener may be a snap ring.

In addition, the housing 400 preferably has a streamlined shape in order to reduce air resistance.

The adjacent setting grooves 120 of the head shaft 110 correspond to the iron 3, 4, 5, 6, 7, 8 and 9 and PW, GW (or AW) and SW / RTI > The distance in the vertical direction between the adjacent setting grooves 120 can be set to correspond to the difference in length of adjacent golf clubs.

Further, the adjacent setting grooves 120 of the head shaft 110 are formed corresponding to the irons 3, 4, 5, 6, and 7, respectively; The distance in the vertical direction between the adjacent setting grooves 120 can be set to correspond to the difference in length of adjacent golf clubs.

Further, the adjacent setting grooves 120 of the head shaft 110 are formed corresponding to the irons 8 and 9 and PW, GW (or AW) and SW, respectively; The distance in the vertical direction between the adjacent setting grooves 120 can be set to correspond to the difference in length of adjacent golf clubs.

Further, the adjacent setting grooves 120 of the head shaft 110 are formed corresponding to the wood 1, 3, 5 and 7, respectively; The distance in the vertical direction between the adjacent setting grooves 120 can be set to correspond to the difference in length of adjacent golf clubs.

An index 180 may be formed on the outer circumference of one end of the head shaft 110 to indicate the number of the golf club. The lower end of the housing 400 may be aligned with the number of the corresponding golf club of the index 180 So that the length of the shaft 200 and the loft angle of the head 100 can be adjusted.

Next, a golf club according to a third embodiment of the present invention in which the length of the shaft and the loft angle of the head can be simultaneously adjusted will be described with reference to Figs. 11 to 12B.

11 is a view schematically showing a golf club according to a third embodiment of the present invention; 12A is a partial side view of the head shaft of the golf club of FIG. 11; 12B is a partial longitudinal cross-sectional view of the head shaft of the golf club of Fig.

In the second embodiment described above, the pushing piece 423 of the adjusting port 420 is pushed so that the setting protrusion 421 is released from the setting groove 120, and the head shaft 110 is moved so that the length of the shaft and the loft angle 11, in the third embodiment, when a force in the longitudinal direction is exerted on the head shaft 110, the force exerted on the head shaft 110 by the elastic member 523, Except that the shape members 521 are separated from the setting grooves 121 and guided to the upper and lower adjacent setting grooves 121 along the guide grooves 131 so that the shaft length and the loft angle are adjusted. Since the third embodiment is similar to the second embodiment, only the differences from the second embodiment will be described.

The golf club shown in Figs. 11 to 12B has a head shaft 110 that extends vertically from a face extending from the heel and a face having a predetermined loft angle, and a head shaft 110, which is opposed to the outer periphery of the head shaft 110 A head 100 having a plurality of setting grooves 121 on both sides and a guide groove 131 connecting the setting grooves; A hollow shaft 200 in which the head shaft 110 is inserted at one end and the grip 270 is attached at the other end; And a receiving portion for receiving two spherical members 521 that can be seated in the opposing setting grooves of the plurality of setting grooves 121. Each of the spherical members 521 accommodated in the receiving portion includes a plurality of spherical members 521, And a regulating opening 520 for biasing the biasing spring 523 into the setting groove 121. The spherical member 521 accommodated in the accommodating portion 522 of the regulating opening 520 may be made of metal, synthetic resin, or plastic including steel, but may be made of any other material without limitation . The elastic member 523 may be a compression coil spring, but may also be a spring of another type such as a leaf spring. When the golf club head 100 is pulled in the downward direction or is pushed up in the upward direction, the spherical members 521 that are seated in the setting grooves 121 by the elastic members 523, The length of the shaft is adjusted by being guided to the upper and lower adjacent setting grooves 121 along the guide grooves 131 and the groove 131 is formed in a spiral shape so that the spherical members 521 The loft angle of the head 100 can be adjusted since the head shaft 110 makes a relative rotation with respect to the shaft 200 when the head 100 moves along the groove 131. [ After the adjustment of the length and the loft angle of the shaft is completed as described above, the ring-shaped fixture 440 is coupled to the lower end portion 410 of the hollow shaft 200 as in the second embodiment, The shaft 100 is firmly fixed. The lower end portion 410 of the hollow shaft 200 and the ring-shaped fastener 440 are preferably screwed together, but the present invention is not limited thereto, and the ring-shaped fastener may be a snap ring.

Further, a streamlined housing 400 may be attached to the outer circumference of the regulating opening 520 in order to reduce the air resistance around the regulating opening 520.

Next, the operation of the golf club according to the present invention will be described.

In the golf club according to the first embodiment of the present invention, a plurality of setting grooves 220 are formed on opposite sides of the outer periphery of one end of the hollow shaft 200 along a guide groove 230 having a curved shape, . The shaft 100 is coupled to the outer circumference of the housing 150 of the head 100 along the setting grooves 220 of the shaft 200 to adjust the length of the shaft 200 and the loft angle of the head 100. [ The head 100 is rotated relative to the shaft 220 while the length of the shaft 200 is adjusted while the shaft 200 is engaged with the setting protrusion 321 of the shaft 200. Therefore, A translational motion occurs.

In the golf club of the present invention, when the length of the shaft is to be adjusted to a long length, the head loft angle is controlled to be reduced. When the length of the shaft is shortened, the loft angle is controlled to be increased.

The length of the shaft and the loft angle of the head in the golf club according to the second and third embodiments of the present invention are similar to those of the golf club according to the first embodiment, and a description thereof will be omitted.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. Will be clear to those who have knowledge of.

100: Head 110: Head shaft
120, 121, 220: setting grooves 130, 131, 230: guide groove
150, 400: housing 180, 280: index
200: shaft 250: inner shaft
320, 420, 520: adjusting port 321, 421: setting protrusion
322, 422: pushing pieces 323, 423:
324, 424: support member 340: cover
430: slit 440: fastener
521: spherical member 523: elastic member

Claims (20)

A golf club comprising a head and a shaft,
A head (100) having a face (150) extending vertically from a neck extending from the heel and a face having a predetermined loft angle and having a space formed therein;
A plurality of setting grooves 220 and a guide groove 230 for connecting the setting grooves are formed at opposite ends of one end of the housing 150 and a grip 270 is attached to the other end A hollow shaft (200); And
(320) attached to the outer periphery of the housing (150) and having one or more setting projections (321). The method according to claim 1,
A pressing member 322 is attached to at least one setting protrusion 321 of the regulating opening 320 and an elastic member 323 is provided on the opposite side of the setting protrusion of the pressing member and the setting protrusion 321, And a bearing member (324) is formed between the members (323). The method according to claim 1,
An inner shaft 250 is additionally installed inside one end of the shaft 200. A lower end of the inner shaft 250 is in contact with a neck of the head 100. An upper end of the inner shaft 250 And an elastic member (260) for downwardly pressing the inner shaft (250) is installed. The method according to claim 1 or 3,
Adjacent setting grooves 220 of the shaft 200 are formed corresponding to the iron 3, 4, 5, 6, 7, 8 and 9 and the PW, GW and SW, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (220) corresponds to a difference in length of adjacent golf clubs. 5. The method of claim 4,
The adjacent setting grooves 220 of the shaft 200 are formed corresponding to the irons 3, 4, 5, 6, and 7, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (220) corresponds to a difference in length of adjacent golf clubs. 5. The method of claim 4,
Adjacent setting grooves 220 of the shaft 200 are formed corresponding to irons 8 and 9 and PW, GW and SW, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (220) corresponds to a difference in length of adjacent golf clubs. The method according to claim 1 or 3,
Adjacent setting grooves 220 of the shaft 200 are formed corresponding to the wood 1, 3, 5 and 7, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (220) corresponds to a difference in length of adjacent golf clubs. A golf club comprising a head and a shaft,
(110) extending vertically from a face extending from the heel and a face having a predetermined loft angle, wherein a plurality of setting grooves (120) are formed on opposite sides of the outer circumferential surface of the head shaft (110) A head (100) on which a guide groove (130) connecting the grooves is formed;
A shaft (200) having a housing (400) in which the head shaft (110) is inserted at one end and a grip (270) at the other end; And
(420) attached to an outer periphery of the housing (400) and having a setting protrusion (421). 9. The method of claim 8,
A pressing piece 422 is attached to the setting protrusion 421 of the adjusting hole 420 and an elastic member 423 is provided on the opposite side of the setting protrusion of the pressing piece 421. The setting protrusion 421 and the elastic member 423) are formed between the first and second support members (421, 422). 9. The method of claim 8,
A ring-shaped fixture 440 having a female screw thread on its inner circumferential surface is formed on the outer peripheral surface of the lower end 410 of the shaft 400 of the shaft 200, Is coupled to a male thread on an outer circumferential surface of a lower end (410) of the housing (400). 11. The method according to claim 8 or 10,
Adjacent setting grooves 120 of the head shaft 110 are formed corresponding to irons 3, 4, 5, 6, and 7, respectively; Wherein a distance in a vertical direction between adjacent setting grooves (120) corresponds to a difference in length of adjacent golf clubs. 12. The method of claim 11,
Adjacent setting grooves 120 of the head shaft 110 are formed corresponding to irons 8 and 9 and PW, GW and SW, respectively; Wherein a distance in a vertical direction between adjacent setting grooves (120) corresponds to a difference in length of adjacent golf clubs. 12. The method of claim 11,
Adjacent setting grooves 120 of the head shaft 110 are formed corresponding to the wood 1, 3, 5 and 7, respectively; Wherein a distance in a vertical direction between adjacent setting grooves (120) corresponds to a difference in length of adjacent golf clubs. 12. The method of claim 11,
An index 180 indicating the number of the golf club is attached to one end of the head shaft 110 and the lower end of the housing 400 is aligned with the number of the corresponding golf club of the index 180, ) And the loft angle of the head (100). A golf club comprising a head and a shaft,
And a head shaft 110 extending vertically from a neck extending from the heel. The head shaft 110 has a plurality of setting grooves 121 on opposite sides of the outer circumferential surface thereof, A head (100) on which a guide groove (131) connecting the grooves is formed;
A hollow shaft 200 in which the head shaft 110 is inserted at one end and the grip 270 is attached at the other end; And
A receiving portion 522 for receiving two spherical members 521 that can be seated in the opposing setting grooves of the plurality of setting grooves 121 is provided, (520) for deflecting the shape members (521) to the setting groove (121) by an elastic member (523). 16. The method of claim 15,
A ring-shaped fixture 440 having a female screw thread on its inner circumferential surface is formed at a lower end portion (a lower end portion) of the shaft 200 410). ≪ RTI ID = 0.0 > 41. < / RTI > 17. The method according to claim 15 or 16,
Adjacent setting grooves 121 of the head shaft 110 are formed corresponding to irons 3, 4, 5, 6 and 7, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (121) corresponds to a difference in length of adjacent golf clubs. 18. The method of claim 17,
Adjacent setting grooves 121 of the head shaft 110 are formed corresponding to irons 8 and 9 and PW, GW and SW, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (121) corresponds to a difference in length of adjacent golf clubs. 18. The method of claim 17,
Adjacent setting grooves 121 of the head shaft 110 are formed corresponding to the wood 1, 3, 5 and 7, respectively; Wherein a distance in the vertical direction between adjacent setting grooves (121) corresponds to a difference in length of adjacent golf clubs. 18. The method of claim 17,
An index 180 indicating the number of the golf club is attached to one end of the head shaft 110 and the lower end of the shaft 200 is aligned with the number of the corresponding golf club of the index 180, ) And the loft angle of the head (100).
KR1020150128999A 2015-05-14 2015-09-11 Golf club capable of adjusting loft angle and length of shaft KR101644404B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018164424A1 (en) * 2017-03-08 2018-09-13 김건 Golf club having variable head height
KR20210145920A (en) 2020-05-26 2021-12-03 이응모 Golf Putter
US11224786B2 (en) 2015-05-28 2022-01-18 Karsten Manufacturing Corporation Adjustable length shaft and an adjustable mass for a golf club

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020062612A (en) * 2002-07-03 2002-07-26 유병섭 Shaft length and lofr angle of head simultaneous iron club
KR200369806Y1 (en) * 2004-09-06 2004-12-14 쉐신이 Golf club of which the head loft angle is adjustable
US20110118046A1 (en) * 2007-04-13 2011-05-19 Thomas Orrin Bennett Interchangeable shaft and club head connection system
JP2013039367A (en) * 2011-08-12 2013-02-28 Acushnet Co Interchangeable shaft system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020062612A (en) * 2002-07-03 2002-07-26 유병섭 Shaft length and lofr angle of head simultaneous iron club
KR200369806Y1 (en) * 2004-09-06 2004-12-14 쉐신이 Golf club of which the head loft angle is adjustable
US20110118046A1 (en) * 2007-04-13 2011-05-19 Thomas Orrin Bennett Interchangeable shaft and club head connection system
JP2013039367A (en) * 2011-08-12 2013-02-28 Acushnet Co Interchangeable shaft system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11224786B2 (en) 2015-05-28 2022-01-18 Karsten Manufacturing Corporation Adjustable length shaft and an adjustable mass for a golf club
WO2018164424A1 (en) * 2017-03-08 2018-09-13 김건 Golf club having variable head height
KR20210145920A (en) 2020-05-26 2021-12-03 이응모 Golf Putter

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