WO2018021852A1

WO2018021852A1 - Golf putter for practice

Info

Publication number: WO2018021852A1
Application number: PCT/KR2017/008111
Authority: WO
Inventors: 최용식
Original assignee: 최용식
Priority date: 2016-07-27
Filing date: 2017-07-27
Publication date: 2018-02-01
Also published as: EP3492151A4; US20190217181A1; KR20180012609A; KR101828465B1; JP2019521808A; EP3492151A1; CN109689171A

Abstract

A golf putter for practice is disclosed. A golf putter for practice according to the present invention comprises: a putter head, which is coupled to the lower end of a shaft and has a head hitting surface; and a hitting member selectively coupled to the putter head, wherein the putter head has a stepped through-hole to allow a fastening bolt to pass therethrough upward from the bottom surface, the head hitting surface corresponding to the through-hole has a cutout part formed to open a part of an upper surface of the putter head in a hitting direction, the hitting member is formed to have a shape of a golf ball and has a seating surface and a support surface, which are formed to be stepped, the seating surface being safely placed on the upper surface, the support surface being supported by an edge of the upper surface, the seating surface has a screw fastening groove to which the fastening bolt is to be fastened and coupled, and the hitting member is replaceably coupled to the putter head by the fastening bolt in a state in which the hitting member is stably placed on the upper surface such that a part of a hitting surface thereof protrudes further than the head hitting surface through the cutout part.

Description

Practice Golf Putter

The present invention relates to a practice golf putter, and more particularly, it can be used to replace the hitting surface, the right-handed or left-handed easy to use putting practice to put the golf ball placed on the putting green accurately into the hole It relates to a practice golf putter that can be done efficiently.

In general, a putter is an iron club for putting and is used to hit the ball directly toward the hole on the green, and putting is an act of hitting the ball with a putter.

In making the putt, direction and distance are important for successful putting, but most of all, the most fundamental requirement is a correct putting posture, and in order to equip it, the sense must be learned through numerous long-term exercises.

At this time, the correct putting posture means that both hands holding the putter and the putter during the swing move the pendulum around the head of the golfer so that the putter head impacts the ball at the lowest point of the pendulum movement. The ball hit in such a position is sent to the desired position.

Therefore, if the wrist is bent or swings during swinging, the pendulum movement is not accurate. Therefore, the ball is impacted at an inappropriate position and the ball is not sent to the desired position.

As a way to solve this problem was able to be solved somewhat by putting practice practice putter.

As a prior art, the Republic of Korea Utility Model Registration No. 20-0350462 (announced: 2004.05.13) discloses a golf practice putter.

As shown in FIG. 1, the golf practice putter 1 according to the prior art forms a triangular or semicircular hitting protrusion 2A for hitting the golf ball 3 to the center of the front of the putter head 2. It is. Such golf practice putter 1 had the advantage of being able to practice hitting the golf ball (3) using a semi-circular hitting projection (2A).

However, the putter 1 has a problem in that the putter head 2 and the hitting protrusion 2A are integrally formed so that the hitting protrusion 2A of various structures cannot be applied.

As another prior art, Republic of Korea Utility Model Registration No. 20-0395835 (Date: 2005.09.14) discloses a putting practice zone for golf putter. As shown in FIG. 2, fixing plates 1 ′ and 1 ″ are formed on both sides of the putting hole 1, in which the middle part is formed of the widest striking part 1A and the center line 101 is marked on the upper surface. It is formed so that the fixing plate (1 ') (1 ") to the putter head (2) to be fixed by a rubber band (3). Putting practice tool of such a structure was configured to replace the putter (1), but there was a problem that was not able to maintain a firm coupling force by being configured to combine the putting device (1) with a rubber band (3).

An object of the present invention, by replacing the hitting surface of the putter practice putter can be putter practice to put the golf ball placed on the putting green accurately into the hole, can use a variety of hitting surface, left-handed and It can be easily applied to the right-handed to provide a practice golf putter that can improve the efficiency of the practice.

In addition, to provide a rigid coupling structure of the hitting member and the putter head having a variety of hitting surface.

In addition, the problem to be solved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned are clearly to those skilled in the art from the following description. It can be understood.

According to the present invention, in the putter head, a through hole for fastening the bolt through the bottom from the bottom is formed to be stepped, the head striking surface corresponding to the through hole hitting a portion of the upper surface of the putter head A cutout for opening toward the side is formed, and the hitting member is formed in the shape of a golf ball, a hitting surface is formed on the outer circumferential surface, and a seating surface and a supporting surface seated on the top surface and supported by the edge of the top surface are formed to be stepped on the bottom surface The seating surface is provided with a screw fastening groove for fastening the fastening bolts to be coupled to the seating surface, and a part of the hitting surface by the fastening bolt in the state seated on the upper surface so as to protrude more than the head hitting surface through the incision; It is achieved by a practice golf putter, characterized in that it is replaceably coupled to the putter head.

The object includes, according to the present invention, a putter head coupled to the lower end of the shaft and having a head striking face, and a striking member selectively coupled to the putter head, wherein the fastening bolt is upwardly raised from the bottom face of the putter head. The through hole for penetrating the end is formed to be a step, the head striking surface corresponding to the through hole is formed with a cutout for opening a portion of the upper surface of the putter head in the striking direction, the upper surface of the through hole is formed of three-octagonal Coupling protrusion protrudes upward, the hitting member is formed in the shape of a golf ball, the hitting surface of each of different shapes and sizes are formed on the outer circumferential surface, the bottom is formed with a seating surface for seating on the upper surface, the seating When the mounting surface is seated on the upper surface is coupled to the engaging projection is coupled to have the same direction as the hitting surface A coupling groove having a three-octagonal shape is formed to include a screw coupling groove for fastening the fastening bolts to be coupled to each other, and the direction of the striking member is exposed such that the striking surface selected from the striking surfaces is exposed to the opening. It is achieved by the practice golf putter characterized in that coupled to the coupling groove to the coupling projection and the coupling bolt is coupled to the screw coupling groove of the coupling groove through the through hole.

The striking surface of the striking member is made of a spherical striking surface made of the same curvature as a golf ball or a flat striking surface made of a flat surface, in the case of the flat striking surface is provided with a plurality of striking members by the size of the plane striking surface Can be.

The object, according to the present invention, comprises a putter head coupled to the lower end of the shaft, the putter head is made of a spherical shape having a golf ball shape and the first striking member coupled to the lower end of the shaft, the golf ball The second striking member is formed in a spherical shape and is horizontally coupled to the side surface of the first striking member so as to be in line with the first striking member, and the spherical shape having a golf ball shape and the first striking member. A third striking member coupled in a horizontal direction to a side of the second striking member so as to be in line with the member and the second striking member; And a nut coupled to one end of the first striking member, the second striking member, and the third striking member and a shaft coupled to the other end to integrate the first striking member, the second striking member, and the third striking member. It is achieved by a practice golf putter, characterized in that it comprises a coupling rod.

On the first striking member, the second striking member, and the third striking member, spherical striking surfaces made of curvature such as golf balls and planar striking surfaces made of planes are formed, respectively, and the flat striking surfaces may be formed to have different sizes. Can be.

The positions of the second striking member and the third striking member may be changed on both side surfaces of the second striking member facing the first striking member and the third striking member, and the first striking member and the third striking member; Position changing means for selecting each spherical striking surface and the flat striking surface, or varying the striking surface according to the right-handed and left-handed, is provided, the position changing means, polygonal connection coupling member having a predetermined length; And a polygonal positioning groove formed on both sides of the first striking member, the second striking member, and the third striking member so that the connection coupling member is fitted.

The shaft is provided with a scale member having an aperture for measuring the size of the hole cup to be folded and unfoldable, one end of the scale member is coupled to the shaft in the shaft, the shaft is based on the scale member As a result, scales for displaying the size of the aperture may be successively formed.

According to the present invention, the striking member having various striking surfaces can be selectively coupled to the putter head, can be replaced, and the striking surface can be selected, thereby providing an effect of efficiently putting practice. .

In addition, by changing the direction of the hitting surface it is possible to provide an effect that can be easily used left-handed or right-handed.

In addition, by laying a scale member that can measure the size of the hole cup on the shaft, it is possible to provide an effect that can accurately determine the direction of the putt when putting on the green.

1 and 2 is a view showing a practice golf putter according to the prior art.

3 is an exploded perspective view showing a first embodiment of the present invention.

4 is a perspective view illustrating other embodiments of the striking member shown in FIG. 1.

5 is a cross-sectional view showing a coupling state of the practice golf putter shown in FIG.

6 is a plan view showing a state of use of the practice golf putter shown in FIG.

7 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 8 is a cross-sectional view of the engaged golf putter shown in FIG. 7.

9 is a plan view showing a state in which the blow direction of the practice golf putter shown in FIG.

10 is an exploded perspective view and a sectional view showing a third embodiment of the present invention.

FIG. 11 is a flat sectional view showing a state of use of the practice golf putter shown in FIG. 10.

12 is a perspective view showing a fourth embodiment of the present invention.

13 is a schematic view for explaining the use of the scale member shown in FIG.

Explanation of symbols on main parts of drawing

10: shaft 20,200: putter head

22: through hole 23: upper surface

23A: Edge 24: Blow Surface of Putter Head

26: incision 30: hitting member

27: engaging protrusion 32: seating surface

32A: Supporting surface 32B: Screw fastening groove

32C: engaging groove 32C-1: engaging surface

34: hitting surface 34A: spherical hitting surface

34B: Flat hitting surface 40: Tightening bolt

300A: first striking member 300B: second striking member

320C: third hitting member 400: coupling rod

500: position changing means 510,510A, 510B: connecting coupling member

520: Positioning groove 600: Hole Cup

700: measuring member 710: shaft

720: aperture 730: poultry scale

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing the present invention, descriptions of already known functions or configurations will be omitted to clarify the gist of the present invention.

3 is an exploded perspective view showing a first embodiment of the present invention, FIG. 4 is a perspective view showing other embodiments of the striking member shown in FIG. 1, and FIG. 5 is shown in FIG. 3. It is sectional drawing which shows the coupling state of a practice golf putter.

3 to 5, the training golf putter according to the first embodiment of the present invention has a putter head 20 having a head striking surface 24 at a lower end of a shaft 10 having a club at an upper end thereof. ) Is coupled, and the striking member 30 is detachably coupled to the putter head 20.

This will be described in more detail.

In the putter head 20, a through hole 22 through which the fastening bolt 40 penetrates upward from the bottom is formed to be stepped, and the putter head 20 is formed on the head striking surface 24 corresponding to the through hole 22. An incision 26 is formed to open a portion of the upper surface 23 of the side toward the striking direction.

The through hole 22 is formed to be short, when the fastening bolt 40 is coupled to the striking member 30 through the through hole 22, the head of the fastening bolt 40 protrudes to the bottom of the putter head 20. This is to avoid.

The through hole 22 and the cutout 26 are preferably formed in the middle of the putter head 20.

The striking member 30 is configured to be selectively coupled to or separated from the putter head 20, and is formed in the same shape as the golf ball, the same or similar size as the golf ball, as shown in Figure 3, the outer circumferential surface or spherical shape Strike surface 34 is formed, the bottom surface is formed with a seating surface 32 which is seated on the upper surface 23 of the putter head 20, the seating surface 32 on one side of the seating surface 32 is the upper surface ( When seated on 23, a support surface 32A for supporting the edge 23A of the upper surface 23 is formed to be short. The mounting surface 32 has a screw fastening groove 32B for fastening and coupling the fastening bolt 40 to the female thread.

Such a striking member 30 is putter by the fastening bolt 40 in a state in which a portion of the striking surface 34 is seated on the upper surface 23 so as to project more than the head striking surface 24 through the cutout 26. It is coupled to the head 20 replaceably. And even if the fastening bolt 40 is fastened to the screw fastening groove 32B through the through hole 22 from the bottom of the putter head 20, the head of the fastening bolt 40 is seated in the shortened through hole 22. It does not protrude to the bottom of the head 20.

On the other hand, the striking surface 34 of the striking member 30 is made of a spherical striking surface 34A made of a curvature such as a golf ball or a flat striking surface 34B made of a flat surface, but made of a flat striking surface 34B The striking member 30 is preferably provided with a plurality of the size of the plane striking surface (34B). That is, when a plurality of striking members 30 having planar striking surfaces 34B of different sizes are provided, the user selects the striking members 30 having the planar striking surfaces 34B of a desired size and putter head 20. ) Can be used in combination.

The operation of the practice golf putter according to the first embodiment of the present invention configured as described above will be described.

The user selects the striking member 30 having different striking surfaces 34, for example, spherical striking surfaces 34A, and couples them to the top surface 23 of the putter head 20, or the flat striking surfaces 34B. Selecting the striking member 30 having the coupled to the upper surface 23 of the putter head 20. That is, the user selects the striking member 30 having the desired striking surface 34 and couples it to the putter head 20 using the fastening bolt 40.

Subsequently, when the striking member 30 is coupled to the putter head 20, the striking surface 34 protrudes in the striking direction more than the striking surface 24 of the putter head 20 through the cutout 26. As shown in FIG. 6, a putting practice of hitting a golf ball with the striking member 30 may be performed.

Then, the user couples the striking member 30 having the spherical striking surface 34A to the putter head 20, or selects the striking member 30 having the flat striking surface 34B to couple to the putter head 20. Being able to use it can effectively practice putting on a variety of hitting surfaces.

In addition, the seating surface 32 of the striking member 30 is seated on the upper surface 23 of the putter head 20, the support surface 32A is supported on the edge of the upper surface 23, the fastening bolt 40 is penetrated Since the fastening member 32 is coupled to the coupling groove 32B through the ball 22, the striking member 30 and the putter head 20 are kept in a firmly coupled state, so that the striking member 30 does not flow during the putting practice. Since the support surface 32A is supported at the edge 23A of the upper surface 23, stable hitting is possible without the flow of the hitting member 30 when the golf ball is hit.

Of the accompanying drawings, Figure 7 is an exploded perspective view showing a second embodiment of the present invention, Figure 8 is a cross-sectional view of the combined golf putter practice training shown in Figure 7, Figure 9 is a practice golf putter shown in Figure 7 Is a plan view showing a state in which the blow direction is changed.

As shown in FIGS. 7 to 9, the training golf putter according to the second embodiment includes a putter head 200 coupled to a lower end of the shaft 10, and the putter head 200 has a golf ball shape. The first striking member 300A having a spherical shape and having a lower end of the shaft 10 coupled thereto, and the first striking member made of a spherical shape having a golf ball shape and positioned in line with the first striking member 300A. The second striking member 300B coupled to the side of the 300A in the horizontal direction and a spherical shape having a golf ball shape and positioned in line with the first striking member 300A and the second striking member 300B. The third striking member 300C coupled to the side surface of the second striking member 300B, and penetrating the first striking member 300A, the second striking member 300B, and the third striking member 300C. The nut is fastened to one end and the shaft is fastened to the other end so that the first striking portion 300A and the second striking member 300B and the first It is configured to include a coupling rod 400 for integrating three striking member (300C).

As described above, each of the outer peripheral surfaces of the first striking member 300A, the second striking member 300B, and the third striking member 300C has a spherical striking surface 320 made of the same curvature as a golf ball and a flat striking surface made of planes. 340 are formed respectively, and the planar striking surface 340 is formed in different sizes. That is, by dividing the outer peripheral surface of each of the

striking members

300A, 300B, 300C into four, one surface forms a spherical striking surface 320, and the other surface is formed with a plane striking surface 340 of different sizes. As such, a plurality of different hitting surfaces are formed in one hitting member to allow a user to select and use a hitting surface having various sizes or shapes (spherical or flat).

Then, a second side of the second striking member 300B facing the first striking member 300A and the third striking member 300C, and the first striking member 300A and the third striking member 300C, the second Changing the position of the striking member 300B and the third striking member 300C, selecting the spherical striking surface 320 and the flat striking surface 340, or

striking surfaces

320 and 340 according to the right-handed and left-handed Position changing means 500 for varying the number is provided.

Position changing means 500, the three-octagonal connecting coupling member 510 having a predetermined length, the first coupling member 300A and the second striking member 300B to fit the coupling coupling member 510 is fitted. ) And the three-octagonal positioning grooves 520 formed on both sides of the third striking member 300C.

The polygonal coupling coupling member 510 and the polygonal positioning groove 520 will be described based on the square in this embodiment, the number of the coupling coupling member 510 is at least two. This is for the other striking members are connected to each other on both sides of the striking member located in the center.

The first striking member 300A, the second striking member 300B, and the third striking member 300C may be made of a material such as a golf ball, or may be made of metal or synthetic resin.

In addition, each connection coupling member 510 has a through hole for penetrating the coupling rod 400, respectively.

The operation of the practice golf putter according to the second embodiment configured as described above will be described.

As shown in FIG. 8, the shaft 10 is coupled to the first striking member 300A, the second striking member 300B is positioned on one side of the first striking member 300A, and the second striking member ( 300B) In a state in which the third striking member 300C is positioned on one side, one end of one connection coupling member 510A is fitted into the positioning groove 520 of the first striking member 300A, and the other end of the second striking member 300C. Fit into the positioning groove 520 formed on one surface of the member (300B). Then, one end of the other coupling member 510B is fitted into the positioning groove 520 formed on the other surface of the second striking member 300B, and the other end of the positioning groove formed on one surface of the third striking member 300C ( 520) to fit.

Subsequently, the coupling rod 400 passes through the first striking member 300A, the first striking coupling member 510A, the second striking member 300B, the second striking coupling member 510B, and the third striking member 300C. . Then, the nut is fastened to the coupling rod 400 exposed to the positioning groove 520 on the other side of the third striking member 300C and the positioning groove 520 on the other side of the first striking member 300A. The first, second and third

striking members

300A, 30B and 300C are integrated.

In this state, as shown in FIG. 9A, the user of the right-handed person can practice putting with a putter having a putter head 200 formed of the first, second and third

striking members

300A, 30B, and 300C. It is. At this time, the hitting surface hitting the golf ball becomes the spherical hitting surface 320 or the flat hitting surface 340 of the hitting member located in the center.

Meanwhile, in order for a user to select the spherical striking surface 320 among the

striking surfaces

320 and 340, the user loosens the nut of the coupling rod 40 in which the first, second and third

striking members

300A, 30B, and 300C are integrated. After removing the respective connecting coupling members (510A, 510B) from the second hitting member (300B) located, rotate the position of the second hitting member (300B) so that the desired spherical hitting surface (320) is located in the hitting direction. In one process, the nuts are fastened to both ends of the coupling rod 40 to integrate the first, second, and third

striking members

300A, 30B, and 300C again.

In addition, when the user is left-handed, the user may change the hitting direction as shown in FIG. 9B. That is, since each of the striking members 300B and 320C has spherical or planar

striking surfaces

320 and 340 formed on various surfaces, the left-handed user can strike by changing only the striking direction after mounting the club.

As such, the practice golf putter according to the present embodiment can select the striking surface by selecting each striking member (300B, 300C) it is possible to more efficiently practice putting using a variety of striking surfaces (320,340), in particular Since the striking surfaces 3220 and 340 are formed in both directions so that the striking direction is not fixed to one place, the right handed as well as the left handed user can easily practice putting.

In the accompanying drawings, Figure 10 is an exploded perspective view and a cross-sectional view showing a third embodiment of the present invention, Figure 11 is a flat cross-sectional view showing a state of use of the practice golf putter shown in FIG.

10 and 11, in the golf putter for training according to the third embodiment, the putter head 20 has a through hole through which the fastening bolt 40 penetrates upward from the bottom. 22 is formed to be stepped, the head striking surface 24 corresponding to the through hole 2 is formed with a cutout 26 for opening a portion of the upper surface 23 of the putter head 20 in the striking direction, The upper surface 23, the through-hole 22 is formed has a structure in which the three-octagonal coupling protrusion 27 protrudes upward. At this time, the coupling protrusion 27 is described based on the one formed in a quadrilateral in the present embodiment, but is not limited thereto, and may be formed in a triangular to octagonal. And the striking member 30 is formed in the shape of a golf ball hitting surfaces 34 of different shapes and sizes are formed on the outer circumferential surface, respectively, and a seating surface 32 for being seated on the upper surface 23 is formed on the bottom surface. When the seating surface 32 is seated on the upper surface 23, the coupling protrusion 27 is inserted and coupled to form a coupling surface 32C-1 having the same direction as the hitting surfaces 34, 3 to 8 octagons. Coupling groove 32C is formed with a screw fastening groove 32B for fastening the fastening bolt 40 is coupled.

The practice golf putter of such a structure is configured to be able to use any one of the hitting surface 34, among the spherical hitting surface 34A or the flat hitting surface 34B formed on the hitting member 30. That is, by setting the direction of the striking member 30 so that the striking surface 34 selected from the striking surfaces 34 is exposed to the opening 26, it is coupled to the engaging projection 27 in the coupling groove 32C and the fastening bolt ( 40 is coupled to the screw coupling groove (32B) of the coupling groove (32C) through the through hole (22).

For example, when the user selects the spherical striking surface 34A from the spherical striking surface 34A or the flat striking surface 34B of the striking member 30, the spherical striking surface 34A is directed toward the opening 26. Engaging projection 32C of engaging member 30 of striking member 30 such that engaging surface 32C-1 of engaging groove 32C coinciding with spherical striking surface 34A faces toward opening 26. After inserting the (27) is fastened to the fastening bolt 40 is to be firmly coupled.

As such, in the striking member 30 having the plurality of striking surfaces 34, polygonal coupling grooves 32C having a plurality of engaging surfaces 32C-1 having the same direction as the striking surfaces 34 are formed. Polygonal engaging projections 27 are formed on the top surface 23 of the putter head 20, so that the user selects a preferred hitting surface 34 among a plurality of hitting surfaces 34, and then selects the hitting surface 34. The striking surface selected by engaging the engaging projection 27 to the engaging groove 32C so that the engaging surface 32C-1 coinciding with the striking surface 34 selected to be exposed to the opening 26 faces the opening 26. You can practice batting using (34).

That is, a plurality of striking surfaces 34 are formed in one striking member 30, and each striking surface 34 is configured to be selected and used in a simple structure, thereby providing a wide selection of striking surfaces 34 to the user. Width can be provided.

12 is a perspective view showing a fourth embodiment of the present invention, and FIG. 13 is a schematic view for explaining the use of the scale member shown in FIG.

12 and 13, the training golf putter according to the fourth embodiment includes a scale member 700 having a shaft 720 on the shaft 10 for measuring the size of the hole cup 600. ) Is provided to allow folding and unfolding, one end of the weighing member 700 is coupled to the shaft 10 by the shaft 710, and the shaft 10 is based on the weighing member 700. Same as the above-described embodiments, except that scales 730 for indicating the size and number of are successively formed.

At this time, the scale member 700 is curved as shown in FIG. 10 so that the scale member 700 is in close contact with the shaft 10 when the scale member 700 is coupled to the shaft 710 by the shaft 10. It is preferable to form a forge. By this structure, the scale member 700 is in close contact with the shaft 10 when folded, thereby preventing interference when using the putter.

And the aperture 720 may be formed in a circular shape, may be formed in the shape of a long hole, when the long hole is formed to form a long hole may be formed at equal intervals. Through this scale of the aperture 720, the size of the hole cup can be measured, and the putting position can be set accurately.

On the other hand, if the scale member 700 and the scale 730 is provided on the shaft 10, as shown in Figure 13, by measuring the size of the hole cup 600, the golf ball to the hole cup 600 according to the slope of the green ) And how far away you should be putting.

For example, when the inclination of the green is 1 °, the hole cup 600 is measured using the hole 720, and when the hole 720 matches the hole cup 600, the hole cup 600 based on the hole cup 600. Determine how many putts are to be put in an inclined direction, and if the hole cups 600 are separated by two holes based on the hole cups 600, the putting direction is determined. Subsequently, in a state in which the hole cup 600 is matched to the aperture 720, the virtual position corresponding to the scale 730 corresponding to the two apertures 720 based on the scale 730, that is, the hole cup ( 600 is set at the center of the virtual horizontal line, and the position of the virtual horizontal line corresponding to the scale 730 corresponding to the two apertures 720 is set in the putting direction. In this way, when the putting direction is determined, the user performs the putting toward the virtual horizontal putting direction.

In this way, the accurate putting can be made by accurately measuring the virtual position to be putt.

While specific embodiments of the invention have been described and illustrated above, it is to be understood that the invention is not limited to the described embodiments, and that various modifications and changes can be made without departing from the spirit and scope of the invention. It is self-evident to those who have. Therefore, such modifications or variations are not to be understood individually from the technical spirit or point of view of the present invention, the modified embodiments will belong to the claims of the present invention.

Practice golf putter according to the present invention, in that the striking member having a variety of striking surface can be selectively coupled to the putter head, can be replaced, select the striking surface can effectively putt practice, As the technology goes beyond the limits of the technology, it is an industrially applicable invention because not only the use of the related technology but also the possibility of marketing or operating the applied device is not only sufficient but also practically obvious.

Claims

A putter head coupled to the lower end of the shaft and having a head striking surface, and a striking member selectively coupled to the putter head,

In the putter head, a through hole for fastening the bolts from the bottom upwardly is formed in a step, and the head striking surface corresponding to the through hole is formed with a cutout for opening a portion of the upper surface of the putter head in the striking direction.

The striking member is formed in the shape of a golf ball, the striking surface is formed on the outer circumferential surface, the seating surface and the support surface which is seated on the upper surface and supported by the edge of the upper surface is formed in the bottom surface, the fastening bolt on the seating surface Is fastened to form a screw fastening groove for coupling, and a part of the hitting surface is replaceably coupled to the putter head by the fastening bolt in a state seated on the upper surface so as to project more than the head hitting surface through the cutout. Characterized by

Practice golf putters.
The method of claim 1,

The hitting surface of the hitting member,

It consists of a spherical striking surface made of the same curvature or golf ball, or a flat striking surface made of a flat surface, in the case of the flat striking surface is provided with a plurality of striking members by the size of the flat striking surface is selectively coupled to the putter head Characterized in that

Practice golf putters.
A putter head coupled to the lower end of the shaft and having a head striking surface, and a striking member selectively coupled to the putter head,

In the putter head, a through hole for fastening the bolts from the bottom upwardly is formed in a step, and the head striking surface corresponding to the through hole is formed with a cutout for opening a portion of the upper surface of the putter head in the striking direction. On the upper surface of the through hole is formed a 3-8 octagonal engaging projection protrudes upwards,

The hitting member is formed in the shape of a golf ball hitting surfaces of different shapes and sizes are formed on the outer circumferential surface, respectively, the bottom is formed with a seating surface for seating on the upper surface, when the seating surface is seated on the upper surface The coupling projection of the three-octagonal shape is formed with a screw coupling groove for fastening the fastening bolt is coupled to the coupling projection is inserted and coupled to form a coupling surface having the same direction as the hitting surface,

Set the direction of the striking member so that the striking surface selected from among the striking surfaces is exposed to the opening, the coupling member is coupled to the coupling protrusion to the coupling groove, and the locking bolt is fastened to the screw coupling groove of the coupling groove through the through hole. Characterized in that to combine,

Practice golf putters.
A putter head coupled to the lower end of the shaft,

The putter head,

The first striking member is formed in a spherical shape having a golf ball shape and the lower end of the shaft is coupled, and the side of the first striking member is made in a spherical shape having a golf ball shape and positioned in line with the first striking member. A second hitting member coupled in a horizontal direction and a spherical shape having a golf ball shape, and a second hitting member coupled in a horizontal direction to the side of the second hitting member so as to be in line with the first hitting member and the second hitting member; 3 striking member; And

A nut is fastened to one end passing through the first striking member, the second striking member, and the third striking member, and a shaft is coupled to the other end to couple the first striking member to the second striking member and the third striking member. Characterized in that comprises a rod,

Practice golf putters.
The method of claim 4, wherein

In the first striking member, the second striking member and the third striking member,

A spherical striking surface made of a curvature such as a golf ball and a flat striking surface made of a plane are respectively formed, and the planar striking surfaces are each formed in different sizes.

Practice golf putters.
The method of claim 4, wherein

On both side surfaces of the second striking member and the first striking member and the third striking member facing the first striking member and the third striking member,

The position changing means for changing the position of the second striking member and the third striking member, selecting the spherical striking surface and the flat striking surface, or varying the striking surface according to the right handedness and the lefteded hand is provided,

The position changing means,

Polygonal connection coupling member having a predetermined length; And

Characterized in that it consists of a polygonal positioning groove formed on both sides of the first striking member, the second striking member and the third striking member so that the connection coupling member is fitted,

Practice golf putters.
The method according to any one of claims 1 to 6,

In the shaft,

A measuring member having a measuring hole for measuring the size of the hole cup is provided to be folded and unfoldable, one end of the measuring member is coupled to the shaft by the shaft,

The shaft is characterized in that the successive scales for displaying the size of the aperture on the basis of the base member is formed in succession,

Practice golf putters.