KR102040833B1 - Variable type golf putter - Google Patents

Abstract

A variable golf putter is disclosed. The variable golf putter according to the present invention has a putter head having a coupling end coupled to one end of the shaft and extending in a horizontal direction, and a hitting surface for hitting a golf ball is formed on one side and spherical or flat on the opposite side. And a striking member coupled to the putter head, wherein the striking practice striking surface is formed, wherein the striking member is integrally formed or divided into two to five pieces having different sizes and shapes to select the striking surface and the striking striking surface. It is formed and coupled to the coupling end, the lower end of the shaft is formed in a polygon, the putter head is formed with a polygonal coupling portion for coupling the lower end of the shaft, the lower end of the shaft to adjust the mutual coupling angle It is coupled by the bolt fastened from the bottom surface of the putter head in the state fitted to the coupling portion Gong.

Description

Variable golf putters {VARIABLE TYPE GOLF PUTTER}

The present invention relates to a variable golf putter, and more particularly, not only can be used by replacing the hitting surface of the putter, but also can provide a variety of hitting, putting to put the golf ball placed on the putting green accurately into the hole It relates to a variable golf putter that can be practiced efficiently.

Generally, a putter is an iron club for putt, which is used to hit the ball directly from the green toward the hole, and putting is an act of hitting the ball with a putter.

Putting direction and distance are also important for the successful putting, but most of all, the most basic requirement is the correct putting posture, and in order to prepare it, the sense must be learned through numerous exercises over a long period of time.

At this time, the correct putting posture means that both hands holding the grip when swinging pendulum around the golfer's head, and the head of the putter impacts the ball at the lowest point of the pendulum movement. The ball hit in the posture 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, such a putter 1 has a problem 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, the Republic of Korea Utility Model Registration No. 20-0395835 (Date: 2005.09.14) discloses putting putter 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 to be fixed to the rubber band (3) by contacting the fixing plate (1 ') (1 ") to the putter head (2). 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).

In addition, each of the above-described prior art has a problem that the putter head is made of the same material, the same shape, can not learn a variety of hitting feeling.

. Patent Document 1: Republic of Korea Utility Model Registration No. 20-0350462 (Date: 2004.05.13) . Patent Document 2: Republic of Korea Utility Model Registration No. 20-0395835 (Notification Date: September 14, 2005)

An object of the present invention is to provide a variable golf putter that can use a variety of hitting surface, can provide a variety of hitting feeling.

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.

The object includes, according to the present invention, 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, wherein the fastening bolt is fastened from the bottom face upwards. A through hole for penetrating is formed to be short, 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, and the striking member is formed in the shape of a golf ball and has an outer circumferential surface. A striking surface is formed on the seating surface, and a seating surface and a support surface supported at the edge of the top surface to be seated on the top surface are formed at the bottom, and the seating surface has a screw fastening groove for fastening and fastening the fastening bolts. And a portion of the striking surface seated on the upper surface such that the portion of the striking surface protrudes more than the head striking surface through the cutout. In the state is coupled to the putter head by the fastening bolt replaceably, the striking surface of the striking member is made of a spherical striking surface or a flat striking surface made of a flat curvature, such as a golf ball, the plane striking surface In the case of the hitting member is provided by a plurality of the size of the area hitting the plane hitting surface is achieved by a variable golf putter, characterized in that coupled to the putter head selectively.

The spherical striking surface or the flat striking surface is provided so that the striking member and the striking material of a different material are integrated, and the striking material is filled in the perforating material groove formed in the spherical striking surface or the flat striking surface or by insert injection molding. It can be integrated with the striking member.

The lower end of the shaft is formed of a polygon, the putter head is formed on both sides of the polygon coupling portion for the lower end of the shaft to be coupled to use by left or right handed, respectively, the coupling portion of the polygon is the angle The lower end of the shaft may be coupled by a bolt that is fastened from the bottom of the putter head in a state of being fitted to the coupling portion to adjust the.

A thickness adjusting groove is formed around the coupling groove of the hitting member, and the widths of the thickness adjusting grooves are formed differently so that the hitting surfaces and the hitting sounds are formed differently based on the thicknesses of the hitting surfaces. Can be.

According to the present invention, the strike member is provided with a variety of hitting surface, it is possible to practice putting and putting in various forms, by integrating a blow material of different materials to the hitting member, it can provide a variety of hitting feeling, thus putting practice It is possible to provide an effect that can be done efficiently.

In addition, by forming a hitting sound generating groove in the hitting member, by hitting the golf ball to the hitting point of the hitting surface to generate a light hitting sound, it is easy to recognize that the correct hitting.

1 and 2 is a view showing a practice golf putter according to the prior art.
3 is an exploded perspective view showing a variable golf putter according to the first embodiment of the present invention.
4A, 4B, and 4C are perspective views illustrating other embodiments of the striking member illustrated in FIG. 3.
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 (a), (b), (c) and (d) are views illustrating a variable golf putter according to a second embodiment of the present invention.
8 is a schematic plan view showing a state of use of the variable golf putter shown in FIG.
9 is a perspective view showing a variable golf putter according to a third embodiment of the present invention.
10 is an exploded perspective view showing a variable golf putter according to a fourth embodiment of the present invention.
FIG. 11 is a cross-sectional view illustrating a coupled golf putter shown in FIG. 10.
12 is an exploded perspective view showing another embodiment of the variable golf putter shown in FIG. 10.
13A, 13B, and 13C illustrate another example of the striking member illustrated in FIG. 12.
14 is an exploded perspective view showing a variable golf putter according to a fifth embodiment of the present invention.
15 is a cross-sectional view of the coupled golf putter shown in FIG.
16 is a plan view showing a state of use of the variable golf putter shown in FIG.
17 is an exploded perspective view showing a variable golf putter according to a sixth embodiment of the present invention.
FIG. 18 is a perspective view illustrating a coupled golf putter illustrated in FIG. 17.
19 is a cross-sectional view taken along the line AA of FIG. 18.
20 is a bottom view of the striking member illustrated in FIG. 18.

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.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, the words 'comprises' and / or 'comprising' do not exclude the presence or addition of one or more other components.

3 is an exploded perspective view showing a variable golf putter according to the first embodiment of the present invention, Figure 4 (a), (b), (c) is a striking member shown in FIG. Figure 5 is a perspective view showing another embodiment of, Figure 5 is a cross-sectional view showing a coupling state of the practice golf putter shown in FIG. And, Figure 6 is a plan view showing a state of use of the practice golf putter shown in FIG.

3 to 6, the variable golf putter according to the first embodiment of the present invention includes a putter head 20 and a striking member 30 selectively coupled to the putter head 20. It is composed.

The putter head 20 is coupled to the lower end 12 of the shaft 10, the head striking surface 24 is formed in the striking direction.

The putter head 20 has a through hole 22 formed therein so that the fastening bolt 40 penetrates upward from the bottom thereof, and the putter head is formed in the center area of the head striking surface 24 corresponding to the through hole 22. A cutout 26 for opening a portion of the upper surface 23 of the 20 in the strike direction is formed.

The striking member 30 is formed in the shape of a golf ball and the striking surface 34 is formed on the outer circumferential surface. On the bottom of the striking member 30, a seating surface 32 and a support surface 32A supported at the edge of the top surface 23 are formed on the bottom surface so as to be seated on the top surface 23 of the putter head 20. The mounting surface 32 is formed with a screw fastening groove 32B for fastening the fastening bolt 40 is coupled.

A part of the striking face 34 of the striking member 30 is seated on the upper face 23 so as to protrude further than the head striking face 24 through the cutout portion 26 by the putter head 20 by the fastening bolt 40. Replaceable)

The striking surface 34 of the striking member 30 is composed of a spherical striking surface 34A made of curvature such as a golf ball or a flat striking surface 34B made of a flat surface. In the case of the flat striking face 34B, the striking member 30 is provided in plural in size of the area of the flat striking face 34B and is selectively coupled to the putter head 20. The spherical striking surface 34A or the flat striking surface 34B is provided so that the striking member 30 and the striking material 39 of a different material are integrated.

This will be described in more detail.

In the putter head 20, a through hole 22 through which the fastening bolt 40 passes upward from the bottom is formed to be short. As shown in FIG. 3, the upper surface 23 of the putter head 20 is located in the center area of the head striking surface 24 corresponding to the through hole 22, that is, the area where the through hole 22 is formed. An incision 26 is formed for opening a portion in the direction of the strike. This cutout 26 is for exposing a part of the striking face 34 to the front side (hit direction) when the striking member 30 is coupled to the top face 23 of the putter head 20.

The above-mentioned 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 is the bottom surface of the putter head 20. This is to avoid protruding into. The through hole 22 and the cutout 26 are preferably formed in the middle (center area) of the putter head 20.

The striking member 30 is configured to be selectively coupled to or separated from the putter head 20. The striking member 30 is formed in the same shape as the golf ball, the same or similar size as the golf ball as shown in FIG. On the outer circumferential surface of the striking member 30, a striking surface 34 of spherical or planar shape is formed. A bottom surface of the striking member 30 is formed with a seating surface 32 seated on the upper surface 23 of the putter head 20, and a seating surface 32 is seated on the upper surface 23 on one side of the seating surface 32. When the support surface 32A for supporting the edge 23A of the upper surface 23 is formed to be stepped. This structure is for stably supporting the impact generated when the golf ball hits the striking surface 34 by the support surface 32A. And the mounting surface 32 is formed with a screw threading groove 32B for fastening the bolt 40 is fastened and coupled to the female thread.

The striking member 30 configured as described above is provided by the fastening bolt 40 in a state in which a part of the striking face 34 is seated on the upper face 23 so as to protrude more than the head striking face 24 through the cutout 26. Is replaceably coupled to the putter head (20). 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.

The striking surface 34 of the striking member 30 is composed of a spherical striking surface 34A made of curvature such as a golf ball or a flat striking surface 34B made of a flat surface. In the case of the flat striking surface 34B, the striking member 30 is preferably provided with a plurality of sizes of the flat 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 spherical striking surface 34A or the flat striking surface 34B of the striking member 30 is provided so that the striking member 30 and the striking material 39 of different materials are integrated. That is, as shown in (b), (c) and 5 of FIG. 4, a plurality of hitting grooves 31 are formed in the spherical striking surface 34A or the flat striking surface 34B to a predetermined depth, The striking member groove 31 is filled with the striking member 30 and a striking material 38 of a different material to be integrated or integrated with the striking member 30 by insert injection molding. For example, when the striking member 30 is made of iron, the striking material groove 31 is filled with a metal material different from iron, such as copper and aluminum, or integrated into the insert injection molding.

Thus, the hitting material groove 31 is formed in the spherical hitting surface 34A or the flat hitting surface 34B, and the hitting material 39 of the material different from the hitting member 30 is formed in this hitting material groove 31. As shown in FIG. By being integrated, it is possible to provide a variety of hitting feelings and sound to the user putting golf.

In the present embodiment, the striking material 39 is filled in the striking material groove 31 or integrated with the striking member 30 by insert injection molding, but is not limited thereto. As shown in FIG. 13A, protrusions 31-1 protrude from the bottom of the hitting groove 31, and strike between the protrusions 31-1, that is, the hitting groove 31. The ash 39 may be filled to be integrated or integrated with insert injection molding.

On the other hand, in the variable golf putter according to the present embodiment, the lower end portion 12 of the shaft 10 is formed in a polygon, the putter head 20 is a polygonal coupling portion for coupling the lower end portion 12 of the shaft 10 It has a structure in which 21 is formed. At this time, the lower end portion 12 and the coupling portion 21 may be formed in a sawtooth structure (spline coupling), not a polygon may be coupled to each other. In addition, the lower end portion 12 is formed through the side surface of the bottom surface of the putter head 20 or the upper end portion of which the coupling portion 21 is formed in the state where the lower end portion 12 of the shaft 10 is fitted to the coupling portion 21 to adjust the mutual coupling angle. 12) by bolts (not shown) fastened to it. Of course, the lower end portion 12 may be firmly coupled to each other by separate fixing means in a state of being fitted to the coupling portion 21.

As such, the lower end portion 12 and the coupling portion 21 of the shaft 10 are formed in a polygonal or toothed structure, so that the hitting member 30 is coupled to the shaft 10 based on the shaft 10 as shown in FIG. 6. The coupling angle of the head 20 can be adjusted. If the lower end portion 12 and the coupling portion 21 have a fine tooth structure, the putter head 20 may be adjusted at a more fine angle.

The operation of the variable 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 a coupling 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 a through hole Since the coupling member 32 is coupled to the coupling groove 32B, the striking member 30 and the putter head 20 maintain a firm coupling state. And not only the striking member 30 does not flow during the practice of putting, the support surface 32A is supported on the edge 23A of the upper surface 23, so that the striking without the flow of the striking member 30 during the striking of the golf ball A blow is possible.

In particular, the striking surface 34 is provided with a striking material 39 of a different material than the striking member 30 is integrated, it is possible to provide a variety of striking feeling and striking sound to the user.

Among the accompanying drawings, (a), (b), (c), (d) of Figure 7 is a view showing a variable golf putter according to a second embodiment of the present invention. 8 is a schematic plan view showing a state of use of the variable golf putter shown in FIG.

As shown in FIGS. 7 to 8, the variable golf putter according to the second embodiment includes a putter head 20 coupled to the lower end 12 of the shaft 10 and having a head striking surface 24, and a putter. And a striking member 30 that is selectively coupled to the head 20. In the putter head 20, a through hole 22 through which the fastening bolt 40 passes upward from the bottom is formed to be short. An incision for opening a portion of the upper surface 23 of the putter head 20 in the hitting direction in the center region of the head striking surface 24 corresponding to the through hole 22, that is, the region where the through hole 22 is formed. A portion 26 is formed. On the upper surface 23 in which the through holes 22 are formed, the coupling protrusions 27 of the three to eight octagons protrude upward.

The striking member 30 is formed in a golf ball shape or polygonal, and the striking surfaces 34 of different shapes and different sizes are formed on the outer surfaces, respectively. The bottom surface has a seating surface 32 for seating on the upper surface (23). When the seating surface 32 is seated on the upper surface 23, the engaging projection 27 is inserted into and coupled to form a three-octagonal shape so that the engaging surface (32C-1) having the same direction as the striking surface (34) is formed Engaging groove 32C is formed. When the coupling protrusion 27 is inserted into the coupling groove 32C, a screw coupling groove 32B for fastening and coupling the coupling bolt 40 is formed.

The striking member 30 sets the direction of the striking member 30 so that the striking surface 34 selected from the striking surfaces 34 is exposed to the cutout 26 so that the striking projection 27 is coupled to the engaging groove 32C. Insert and engage and fasten the fastening bolt 40 through the through-hole 22 to the screw fastening groove 32B of the coupling groove (32C). In this process, the striking member 30 is coupled to the putter head 20.

The striking face 34 of the striking member 30 is made of a spherical striking face 34A made of a curvature such as a golf ball or a flat striking face 34B made of a flat surface. In the case of the flat striking surface 34B, the striking member 30 is provided with a plurality of sizes of the flat striking surface 34B and selectively coupled to the putter head 20. The spherical striking surface 34A or the flat striking surface 34B is the same as the above embodiment except that the striking member 30 and the striking material 39 of different materials are provided to be integrated.

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.

In this way, the engaging projection 27 is formed in the putter head 20, the coupling groove 32C is formed in the striking member 30, the striking member 30 is coupled by the engaging projection 27, more stable As a result, the putter head 20 can be held in a coupled state.

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 exposed toward the cutout 26. The engaging projection 32C of the engaging member 32 so that the engaging surface 32C-1 of the engaging groove 32C coinciding with the spherical striking surface 34A is directed toward the cutout 26. After inserting the 27, the fastening bolt 40 can be firmly coupled to the fastening bolt 40, and the hitting surface 34 can be selected.

In other words, a polygonal coupling groove 32C having a plurality of coupling surfaces 32C-1 having the same direction as each of the impact surfaces 34 is formed in the impact member 30 having the plurality of impact surfaces 34 formed therein. And a polygonal engaging projection 27 is formed on the top surface 23 of the putter head 20, so that the user selects a preferred hitting surface 34 from among a plurality of hitting surfaces 34, and then selects a hitting surface ( Engages the engaging projection 27 to the engaging groove 32C so that the engaging surface 32C-1 coinciding with the striking surface 34 selected so that the 34 is exposed to the incision 26 faces the incision 26. can do. Therefore, the user can practice hitting using the selected hitting surface 34.

In this way, a plurality of striking surfaces 34 are formed on one striking member 30, and each striking surface 34 is configured to be selected and used in a simple structure, thereby giving the user a striking surface 34 of various shapes and sizes. ) Can be used to provide an effect that can be used.

In addition, by selecting the size of the hitting surface 34 can be combined with the hitting member 30 to the putter head 20, it is possible to learn a variety of hitting feelings.

On the other hand, the striking material groove 31 is formed in the striking surface 34, the striking member 30 and the striking material 39 of a different material is provided in the striking material groove 31 to be integrated as in the above-described embodiment. As a result, when the user strikes, the hitting sound and the hitting sound may be different from those hitting with the hitting member 30 made of only one type of material.

Among the accompanying drawings, FIGS. 7C and 8 illustrate another embodiment of the variable golf putter according to the third embodiment of the present invention shown in FIGS. 7A and 7B.

As shown in Figure 7 (c) and 8, the striking member 30 according to another embodiment, the thickness adjusting groove 37 for different thicknesses of the striking surfaces 34, the coupling groove 32C Same as the above embodiment except that formed around the. That is, the thickness adjusting groove 37 is formed around the coupling groove 32C of the striking member 30, and the thickness of the striking surfaces 34 is differently formed based on the coupling surfaces 32C-1. The width W of the groove 37 is formed differently. Here, the thickness of the striking surface 34 means the thickness between the engaging surface 32C-1 and the striking surface 34.

As such, by forming the width (W) of the thickness adjusting groove 37 different from each other by varying the thickness of the hitting surface 34, the hitting surface 34 when selecting the hitting surface 34 to hit the golf ball Depending on the thickness of the various hitting and hitting sound can be provided.

Among the accompanying drawings, (d) of FIG. 7 shows another embodiment of the variable golf putter according to the first to third embodiments of the present invention shown in FIGS. 3 to 7. As shown in (d) of FIG. 7, the variable golf putter is formed in the center of the putter head 20 is provided with a through hole 22, the mounting groove 25 which is opened upwardly in the hitting direction. In the seating groove 25, the striking member 30 having the striking surface 34 having different shapes, shapes, and sizes is inserted and seated in the seating groove 25. It is the same as the above-described embodiments except that it is integrated with the putter head 20 by a fastening bolt 40 fastened to the bottom. At this time, the shape of the mounting groove 25 is formed in the same manner as the shape of the striking member 30, it is possible to insert the striking member 30 to be stably seated.

As such, the striking member 30 is fastened and coupled with the fastening bolt 40 inserted into the seating groove 25 of the putter head 20 so that the striking state of the striking member 30 and the putter head 20 is stabilized. Can be maintained.

9 is a perspective view showing a variable golf putter according to a third embodiment of the present invention.

As shown in FIG. 9, in the variable golf putter according to the third embodiment, one end is coupled to the lower end portion 12 of the shaft 10 and a strike surface 34 for hitting a golf ball is formed on one side. The opposite side is the same as the above-described embodiments except that it includes a striking member 30 formed with a spherical or flat practice striking surface 34-1. That is, in the variable golf putter according to the third embodiment, the lower end portion 12 of the shaft 10 is provided at one end of the striking member 30 having the striking surface 34 and the practice striking surface 34-1 on both sides. It has a structure to be bonded.

In addition, the lower end portion 12 of the shaft 10 is formed in a polygon, and the striking member 30 is formed with a polygonal coupling portion 33 for coupling the lower end portion 12 of the shaft 10 to be coupled to each other. The lower end portion 12 of the shaft 10 is coupled to and coupled by a bolt 40A fastened from the bottom of the striking member 30 in a state where the lower end portion 12 of the shaft 10 is fitted to the coupling portion 33.

On the other hand, although not shown in the drawings, the hitting surface 34 or the practice hitting surface 34-1 may be provided with the above-mentioned hitting material 39.

As such, the striking member 30 is directly coupled to the shaft 10, so that a separate putter head 20 is unnecessary, and the striking surface 34 is formed on one surface of the striking member 30, and By forming the practice hitting surface 34-1, the user can hit (putt) the golf ball with the hitting surface 34, and the convenience to practice hitting with the hitting hitting surface 34-1 may be provided. Can be.

In the accompanying drawings, Figure 10 is an exploded perspective view showing a variable golf putter according to a fourth embodiment of the present invention, Figure 11 is a cross-sectional view of the coupling state showing the variable golf putter shown in FIG.

As shown in FIGS. 10 and 11, the variable golf putter according to the fourth embodiment includes a putter having a coupling end 210 coupled to one end of the shaft 10 and extending in a horizontal direction. The head 20 and the striking face 34 for striking the golf ball are formed on one side, and on the other side, the spherical or flat practice striking face 34-1 is formed and is coupled to the putter head 20 and formed into a polygonal shape. It includes a striking member 30 having a coupling portion (33). The striking member 30 is integrally formed and coupled to the coupling end 210 of the putter head 20. In addition, the lower end portion 12 of the shaft 10 is formed in a polygon, and is inserted into the engaging portion 33 of the striking member 30 and the fastening inserted into the through hole 21A for the fastening bolt formed in the putter head 20. The bolt 40A is fastened to a screw hole (not shown) formed in the inner diameter of the lower end portion 12 fitted to the engaging portion 33. Therefore, the shaft 10 and the striking member 30 and the putter head 20 are integrated. Of course, the lower end portion 12 and the putter head 20 may be coupled to each other by a fixing structure other than the fastening bolt 40A.

On the other hand, the present embodiment can adjust the angle of the coupling between the striking member 30 and the shaft 10 according to the coupling angle of the lower end 12 and the coupling portion 33. That is, after adjusting the angle at which the lower end 12 of the shaft 10 is inserted into the coupling portion 33 of the polygon, the shaft 10 is fastened to the lower end 12 from the bottom of the putter head 20. The angle of coupling with) is determined.

Except for this coupling structure is the same as the above-described embodiments.

At this time, the striking surface 34 and the practice striking surface 34-1 may be provided with a striking material 39 different from the striking member 30 as described above.

Then, the bottom of the striking member 30 is formed with an insertion groove 35 for fitting the coupling end 210, the coupling end 210 of the coupling end 210 in the state inserted into the insertion groove 35 The fastening bolt 40 penetrates from the bottom surface and is fastened to a screw hole formed in the insertion groove 35 of the hitting member 30 so that the hitting member 30 and the coupling end 210 can be firmly coupled.

In addition, as described above, the striking member 30 is coupled to the fitting structure and the fastening structure of the coupling end 210 of the putter head 20, it is possible to select and use the striking member 30 having a variety of shapes and sizes have. And hitting surface 34 is formed on one surface of the hitting member 30, the practice hitting surface 34-1 is formed on the opposite surface, the user can hit (putting) the golf ball to the hitting surface 34 And, it can be provided with the convenience to practice the hitting the practice hitting surface (34-1).

12 is an exploded perspective view showing another embodiment of the variable golf putter shown in FIG. 10.

As shown in FIG. 12, another embodiment of the variable golf putter shown in FIGS. 10 and 11 may be sized so that the striking member 30 selects the striking face 34 and the practice striking face 34-1. It is the same as the above-described fourth embodiment except that the shape is divided into two to five pieces different from each other and coupled to the coupling end 210. At this time, it is natural that the insertion grooves 35 for inserting and coupling the coupling end 210 are formed on the bottom of each striking member 30 that is divided.

At this time, in the case where the striking member 30 is divided into each other, as described above, each striking member 30 formed may be formed of different materials. As such, since the striking member 30 is made of different materials, the user can practice the striking by selecting the striking member 30 of the material that provides the desired sense of striking.

As shown in FIG. 12, since the striking member 30 is formed separately from each other in size and shape, the user can practice striking (putting) by selecting the striking member 30 according to taste. Convenience can be provided.

Meanwhile, as shown in FIGS. 13A and 13B, the striking member 30 according to the fourth embodiment described above has a striking material of different material from the striking member 30 on the striking surface 34. 39 may be provided.

For example, if the striking member 30 is made of iron, the striking member 39 is made of copper or aluminum, thereby providing a variety of striking feelings to the user. That is, a hitting material groove 31 is formed in the hitting surface 34 and the practice hitting surface 34-1, and the metal or hard synthetic resin material having a material different from that of the hitting member 30 in the hitting material groove 31. The back may be filled or integrated into insert injection molding. In particular, as shown in Figs. 13A and 13B, the projections 31-1 protrude from the bottom of the hitting material groove 31 formed in the hitting surface 34, and the protrusions 31-1. ), That is, by filling the hitting material (39) in the hitting material groove 31, or may be integrated by insert injection molding.

As such, since the striking material 39 is integrated into the striking surface 34 or the striking surface 34-1, the user may strike the golf ball with the striking surface 34 provided with the striking material 39. In this case, a hitting sound and a hitting sound different from hitting with the hitting surface 34 made of only one metal can be obtained. According to this embodiment, it is possible to provide a variety of hitting feelings and sounds to the user.

On the other hand, Figure 13 (c) of the accompanying drawings is a view showing another embodiment of the striking member shown in FIG.

As shown in (c) of FIG. 13, when the striking member 30 is formed into a spherical shape (spherical surface) so that the practice striking surface 34 is formed on the spherical outer periphery 34-3, the practice striking surface A spherical striking portion 34-2 having a curvature of a size smaller than that of the outer periphery 34-3 of the striking member 30 is formed at 34, and the auxiliary striking surface 34-2 is provided on the spherical striking portion 34-2. Same as the above-described embodiments except that (34-5) is formed.

That is, the spherical striking portion 34-2 having a small curvature is formed on the practice striking surface 34 on the outer periphery 34-3 of the striking member 30 and the auxiliary striking surface on the spherical striking portion 34-2. By forming 34-5, when the distance between the virtual striking surface from the center of the insertion groove 35 is set in advance, the area of the auxiliary striking surface 34-5 can be made large or small. That is, in the case where the distance between the virtual striking surfaces from the center of the insertion groove 35 is set in advance, the striking which has made the area of the surface striking large without changing the distance between the virtual striking surfaces from the center of the insertion groove 35 The member 30 may be formed, or the striking member 30 having a small area of the surface to be hit may be formed.

In other words, when manufacturing the striking member 30, when the distance between the virtual striking surface from the center of the insertion groove 35 is set in advance, as shown in Fig. 13 (c), the practice striking surface ( A spherical striking portion 34-2 having a curvature smaller than the curvature of the striking member 30 is protruded to 34, and an auxiliary striking surface 34-5 is formed on the striking area side of the spherical striking portion 34-2. At this time, by increasing or decreasing the curvature of the spherical striking portion 34-2, the area of the auxiliary striking surface 34-5 can be made large or small. By this structure, the distance between the virtual striking surface from the center of the insertion groove 35 does not change, but the area of the auxiliary striking surface 34-5 can obtain different striking members 30. This structure is the same as the structure shown in FIG.

And, the upper surface of the striking member 30 may be provided with a decorative member (J) made of sapphire, jewels such as cubic, semi-precious stones to increase the value of the striking member 30 and improve visibility, this decorative member ( J) may be coupled to the striking member 30 by a fastening structure with a screw portion fastened to a screw hole formed in the striking member 30, or may be coupled by a separate coupling structure.

Of the accompanying drawings, Figure 14 is an exploded perspective view showing a variable golf putter showing a fifth embodiment of the present invention, Figure 15 is a cross-sectional view of the coupled golf putter shown in Figure 14, Figure 16 is Figure 14 A plan view showing a state of use of the variable golf putter shown in FIG.

14 to 16, the variable golf putter according to the fifth embodiment is the same as the above-described embodiments except that the golf putter is configured as follows.

That is, the variable golf putter includes a putter head 200 coupled to the lower end portion 12 of the shaft 10, and the putter head 200 has a spherical shape having a golf ball shape and a lower end portion of the shaft 10. The first striking member 300A to which the coupling is made, and a spherical shape having a golf ball shape, is coupled to the side of the first striking member 300A in a horizontal direction so as to be in line with the first striking member 300A. 2 striking member 300B, a ball shape having a spherical shape with a golf ball, and the horizontal direction to the side of the second striking member 300B to be in line with the first striking member 300A and the second striking member 300B A nut is fastened to one end passing through the third striking member 300C, the first striking member 300A, the second striking member 300B, and the third striking member 300C, and the shaft 10 is coupled to the other end thereof. Is engaged to combine the first striking portion 300A and the second striking member 300B and the third striking member 300C. It will be configured to include the 400.

In addition, the first striking member 300A, the second striking member 300B, and the third striking member 300C have a spherical striking surface 320 formed of a curvature such as a golf ball and a flat striking surface 340 made of a flat surface. Each is formed, the planar striking surface 340 is each formed with a different size. 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).

At this time, the first striking member 300A, the second striking member 300B, and the third striking member 300C are made of different materials, and the spherical striking surface 320 and the flat striking surface 340 are provided with the first striking member. The striking member 300A, the second striking member 300B, the third striking member 300C and the striking material 390 of different materials are provided to be integrated, and the striking material 390 includes a spherical striking surface 320 and Filled in the hitting material groove 310 formed in the plane hitting surface 340 or integrated with the hitting member by insert injection molding.

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 positions 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 handedness and left handedness. 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 fifth embodiment configured as described above will be described.

As shown in FIGS. 14 to 16, 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 In the state where the third striking member 300C is positioned on one side of the striking member 300B, 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 is Fit to the positioning groove 520 formed on one surface of the second striking 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 (a) of FIG. 16, 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 hitting 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 (b) of FIG. 16. 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 addition, the spherical striking surface 320 and the plane striking surface 340 is provided with a striking material 390 of a different material from each of the striking members (300B, 300C), it is possible to provide a variety of striking feelings to the user during the striking practice .

17 is an exploded perspective view showing a variable golf putter according to a sixth embodiment of the present invention. FIG. 18 is a perspective view illustrating a coupled golf putter illustrated in FIG. 17. 19 is a cross-sectional view taken along the line A-A of FIG.

17 to 19, the variable golf putter according to the sixth embodiment has a shaft engaging hole 21 and a head striking surface 24 for engaging with the lower end 12 of the shaft 10. The putter head 20 and the striking member 30 is selectively coupled to the putter head 20.

In the putter head 20, a through hole 22 through which the fastening bolt 40 passes upward from the bottom is formed to be short. In the center region of the head striking surface 24 corresponding to the through hole 22 described above, a cutout 26 is formed to open a portion of the upper surface 23 of the putter head 20 in the striking direction. 17 and 19, an incision hole 29 is formed on the opposite side of the head striking surface of the putter head 20, and a through hole between the incision hole 29 and the incision part 26 is formed. 22) In the peripheral region, the engaging portion 23A extending in the direction orthogonal to the hitting direction is formed. 23A of this coupling | bonding parts form a square in cross section (A direction of FIG. 17).

The shaft coupling holes 21 of the putter head 20 are formed on both sides of the putter head 20 so that the right handed or the left handed may select and use the shaft 10 in combination. At this time, the lower end 12 and the coupling hole 21 of the shaft 10 is formed in a polygon or spline coupling, it is possible to adjust the coupling angle of the putter head 20 and the shaft 10.

The striking member 30 may have a striking surface 34 formed on both outer surfaces or one outer surface, but in this embodiment, a striking surface 34 is formed on one side and an auxiliary striking surface 34-5 on the opposite side. ) Will be described on the basis of the formation. As shown in FIGS. 18 and 19, the coupling groove H is formed to open in both directions perpendicular to the downward direction and the hitting direction while surrounding the coupling portion 23A. The bottom surface of the coupling groove (H) is formed with a screw fastening groove (H1) for fastening the fastening bolt 40.

The striking member 30 has a striking sound generating groove 34-4 so that the striking sound is generated when the golf ball is striking the entire surface of the striking surface 34 or the surface of the region corresponding to the right spot P among the striking surface 34. Is formed. As shown in FIGS. 19 and 20, the hitting sound generating groove 34-4 has a hitting member (a) in a region corresponding to the hitting surface 34 or a hit point P of the hitting surface 34. 30 may be opened in the bottom direction, the side direction, the upper direction or the coupling groove 35 direction. Preferably it is opened in the bottom surface direction of the striking member (30).

As such, forming the hitting sound generating groove 34-4 in the hitting member 30 causes a light hitting sound when the golf ball is hit accurately at the hitting point P, and strikes a region other than the hitting point P. When it is so that a dull blow sound is generated to determine and recognize as a sound whether the correct blow was made.

Although not shown in the drawing, the blow sound generating groove 34-4 is filled with a blow material made of a metal material or a synthetic resin material different from the blow member 30, or is fitted with a blow member by insert injection molding ( 30) can be integrated. Integrating such a strike material is to generate a variety of hitting feeling.

In addition, as illustrated in FIGS. 13C, 17, and 18, the striking member 30 may not have the impact sound generating groove 34-4. That is, the hitting sound generating groove 34-4 can be selectively formed as needed.

The striking member 30 may be formed of a spherical shape, a hemispherical shape, a quadrangle or a polygon including a quadrangle and a spherical shape.

The striking member 30 and the putter head 20 configured as described above are coupled to each other in the following structure. That is, the engaging portion H or the auxiliary striking surface 34-6 protrudes more than the head striking surface 24 through the cutout 26 or is coupled to the coupling groove H such that the head striking surface 24 coincides with the head striking surface 24. The fastening bolt 40 is fastened to the screw fastening groove H1 through the through hole 22 while the 23A is inserted and coupled to each other, such that the striking member 30 is replaceably coupled to the putter head 20. do. At this time, a portion of the striking member 30 is in a state located in the cutting hole 29, as shown in Figure 18 and 19. That is, since the engaging portion 23A is formed between the incision 26 and the incision hole 29 of the putter head 20, the striking member 30 so that the engaging portion 23A is inserted into the engaging groove (H). When moving downward, the coupling groove (H) is coupled while wrapping the engaging portion (23A), a portion of the striking member 30 in the striking direction side is located on the incision 26 side and the striking member 30 on the opposite side ) Part is inserted into the incision (29).

As such, the striking member 30 may be coupled to the putter head 20 because the coupling groove H is coupled to surround the coupling portion 23A.

Strike member 30 according to another embodiment, as shown in Figs. 17 to 19 is formed on the outer circumferential surface of the striking member 30 consists of a plurality of grooves or lines (C) for indicating the striking direction . The user can recognize the putting direction through this mark (C) and apply it to the putting. For this purpose, the marks (C) are formed in a row.

Strike member 30 according to another embodiment, as shown in Figures 17 to 19 is provided with a decorative member (J1) for decoration made of jewelry or semi-precious stones on the upper surface. The decorative member J1 is partially fitted into a fitting groove formed at the center of the upper surface of the striking member 30, or a fastening part made of a male screw provided on the decorative member J1 is formed on the upper surface of the striking member 30. It can be coupled to the threaded hole. This structure is intended to facilitate the replacement or exchange of the decorative member (J1). At this time, the decorative member (J1) may be coupled to the mark (C) in the shape of a groove, or may be formed at a different position from the mark (C).

And, the striking member 30 is made of a spherical, hemispherical or polygonal and spherical combined shape, the overall size (diameter) is set and the striking position (P2) for the striking is formed on the outer periphery of the spherical body and the striking member ( When the distance L between the center P1 and the hitting position P2 of 30 is set in advance, as shown in FIGS. 17 to 19, the area of the hitting surface may be formed larger or smaller. A hemispherical auxiliary tool 34-6 is formed to protrude from the hitting surface 34 formed at the periphery, and an auxiliary hitting surface 34-5 is formed at the auxiliary tool 34-6.

That is, as shown in FIG. 19, when the distance L between the center P1 of the striking member 30 and the striking position P2 is set in advance, and the size of the striking member 30 is predetermined, the outside of the spherical body is excluded. The area of the striking face 34 formed on the periphery cannot be made large or small. In order to solve this problem, a hemispherical auxiliary tool 34-6 is formed to protrude on the striking surface 34 formed on the outer periphery of the spherical body. Then, the auxiliary striking surface 34-5 is formed flat on the outer circumference of the assisting tool 34-6 corresponding to the striking position P2.

In other words, in order to form the striking member 30 having a large area of the auxiliary striking surface 34-5, the size of the assisting tool 34-6 is increased so that the vertex area of the assisting tool 34-6 is hit. Position) to make the auxiliary striking surface 34-5 large in area, and to form the striking member 30 having a small area of the auxiliary striking surface 34-5. After making it small, the auxiliary striking surface 34-5 is formed so that the area | region may be small in the vertex area (hit position) of the auxiliary tool 34-6. In this process, the striking members 30 having different sizes (areas) of the auxiliary striking surfaces 34-5 may be provided.

That is, the distance L between the hitting position P2 for the hitting and the center P1 of the hitting member 30 is not changed, but the auxiliary hitting surface 34 is formed by increasing the area of the auxiliary hitting surface 34-5. A striking member 30 having a large area of -5) can be obtained, or a striking member 30 having a small area of the auxiliary striking surface 34-5 can be obtained by forming a smaller area of the auxiliary striking surface 34-5. It is. Therefore, the user can select and use the striking member 30 having the auxiliary striking surface 34-5 having a desired size.

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 viewpoint of the present invention, and the modified embodiments shall belong to the claims of the present invention.

10: shaft 20,200: putter head
21: coupling portion 22: through hole
23: top surface 23A: edge
24: hitting surface of the putter head 25: seating groove
26: incision 27: engaging protrusion
30: blow member 31: hitting groove
32: seating surface 32A: support surface
32B: Screw tightening groove 32C: Joining groove
32C-1: engaging surface 33: engaging portion
34,340: hitting face 34-1: practice hitting face
34A, 34-2, 320: spherical blow surface 34B, 340: flat blow surface
35: insertion groove
37: thickness adjustment groove 39: hitting material
40: fastening bolt 210: coupling end
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

Claims (4)

A putter head having a coupling end coupled to the lower end of the shaft and extending in a horizontal direction, and a hitting surface for hitting a golf ball is formed on one side, and a practice hitting surface of spherical or flat surface is formed on the opposite side. A striking member coupled to the head,
The striking member is integrally formed or divided into two to five pieces having different sizes and shapes to select the striking surface and the practice striking surface, and are coupled to the coupling end,
The lower end of the shaft is formed in a polygon, the putter head is formed with a polygonal coupling portion for coupling the lower end of the shaft, the putter in the state that the lower end of the shaft is fitted to the coupling portion to adjust the mutual coupling angle It is characterized by being coupled by a bolt fastened from the bottom of the head,
Adjustable golf putters. The method of claim 1,
The striking surface and the practice striking surface are provided such that the striking member and the striking material of a different material are integrated. It is integrated with a member,
Adjustable golf putters. The method of claim 1,
When the striking member is divided, each striking member is formed of a different material, characterized in that,
Adjustable golf putters. The method of claim 1,
When the practice striking surface is formed as a spherical surface, the spherical striking portion having a curvature of the size smaller than the curvature of the outer peripheral surface of the striking member is formed, the spherical striking portion is characterized in that the spherical striking surface is formed doing,
Adjustable golf putters.

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