KR20190052655A - Variable type golf putter - Google Patents

Abstract

Disclosed is a variable type golf putter. According to the present invention, the variable type golf putter comprises: a putter head coupled to a lower end of a shaft and having a head striking surface; and a striking member selectively coupled to the putter head. The putter head has a through-hole formed therein to be stepped such that a fastening bolt penetrates the same upward from a bottom surface. An incision is formed on the head striking surface, which corresponds to the through-hole, such that a part of an upper surface of the putter head is open toward a striking direction. The striking member is formed in a golf ball shape and has a striking surface formed on an outer peripheral surface thereof. The striking member has a seating surface and a support surface formed on a bottom surface thereof to be stepped, and the seating surface and the support surface are supported on a periphery of the upper surface such that the striking member is seated on the upper surface. The seating surface has a screw fastening groove formed therein such that the fastening bolt is fastened and coupled thereto. The striking member is coupled to the putter head in a replaceable manner by the fastening bolt while a part of the striking surface is seated on the upper surface so as to protrude more than the head striking surface through the incision. The striking surface of the striking member is configured as a spherical striking surface having the same curvature as that of a golf ball or as a planar striking surface which has a planar shape. When the striking surface is configured as the planar striking surface, multiple striking members are provided according to the size of respective planar striking surfaces and are selectively coupled to the putter head. A striking material made of a material different from that of the striking member is integrally provided on the spherical striking surface or the planar striking surface. According to the present invention, since the striking member has various striking surfaces, putting practice can be performed in various types.

Description

Variable Golf Putter {VARIABLE TYPE GOLF PUTTER}

The present invention relates to a variable-type golf putter, and more particularly, to a golf putter which can be used not only by replacing a striking face of a putter but also by providing various putting feelings, The present invention relates to a variable-type golf putter capable of efficiently exercising.

In general, a putter is an iron club for a putt, which is used to strike the ball directly above the green from the green. Putting is the act of hitting the ball with a putter.

In order to make the putting successful, the direction of putting and distance are important, but most of all, what is required most is the correct putting posture, and in order to have the putting, it is necessary to learn the feeling through numerous exercises over a long period of time.

The correct putting position described above means that the hands of the putter grip the grip at the time of swing and perform the pendulum movement around the golfer's head and the head of the putter impacts the ball at the lowest point of the pendulum movement. The ball struck in the posture is then sent to the desired location.

Therefore, when the wrist is swung or the body is shaken during the swing, accurate pendulum movement is not performed, so that the ball is impacted at an improper position and the ball is not sent to the desired position.

As a way to solve these problems, putting practice with practice putter was somewhat solved.

As a prior art, a golf practice putter is disclosed in Korean Utility Model No. 20-0350462 (public announcement date: 2004.05.13).

1, a golf training putter 1 according to the prior art forms a triangular or semicircular striking projection 2A for striking the golf ball 3 at the front center of the putter head 2 It is. Such a golf putter 1 has an advantage in that it can practice practicing golf ball 3 by using a semicircular impact protrusion 2A.

However, such a putter 1 has a problem in that the putter head 2 and the striking projection 2A are formed integrally so that the striking projections 2A having various structures can not be applied.

As another prior art, there is disclosed a putter practice putter for a golf putter in Korean Registered Utility Model No. 20-0395835 (public notice date: September 14, 2005). As shown in FIG. 2, the middle portion is formed by the striking portion 1A having the widest width and the upper surface is provided with the fixing plates 1 'and 1' 'on both sides of the putting opening 1, So that the fixing plate 1 'and the fixing plate 1' 'are brought into contact with the putter head 2 so as to be fixed by the rubber band 3. [ The putting exerciser having such a structure is configured to be able to replace the putting tool 1, but the putting tool 1 is configured to be coupled with the rubber strand 3, so that there is a problem that the firmly engaging force can not be maintained.

In addition, each of the prior arts described above has a problem in that various putting feelings can not be learned because the putter head has the same material and the same shape.

. Patent Document 1: Korean Utility Model Registration No. 20-0350462 (Notification: 2004.05.13) . Patent Document 2: Utility Model No. 20-0395835 registered in the Republic of Korea (Notice: Sep. 14, 2005)

It is an object of the present invention to provide a variable-type golf putter which can use various striking surfaces and can provide various feelings.

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to at least partially solve the problems in the conventional arts. It can be understood.

The above object is achieved according to the present invention by a putter head comprising a putter head coupled to a lower end of a shaft and having a head striking surface and a striking member selectively coupled to the putter head, A cutout portion for opening a part of the upper surface of the putter head toward the striking direction is formed on the head striking surface corresponding to the through hole, and the striking member is formed into a golf ball shape, A seating surface supported by the upper edge of the upper surface so as to be seated on the upper surface and a supporting surface are formed on the bottom surface, and a screw coupling groove for coupling the coupling bolts is formed on the seating surface , And a portion of the striking surface is projected through the incision to a greater extent than the head striking surface Wherein the striking surface of the striking member is a spherical striking surface having a curvature such as a golf ball or a flat striking surface formed of a flat surface, The plurality of striking members are provided for each size of the area of the flat striking surface and are selectively coupled to the putter head.

Wherein the ball striking surface or the flat striking surface is provided so that a striking member made of a material different from that of the striking member is integrated, and the striking member is filled in the groove for the striking member formed on the spherical striking surface or the flat striking surface, And can be integrated with the striking member.

Wherein a lower end of the shaft is formed in a polygonal shape, and a polygonal coupling portion for coupling the lower end of the shaft to the putter head is formed on both sides so that a left-handed or a right- The lower end of the shaft may be engaged with the bolt fastened from the bottom surface of the putter head in a state where the lower end of the shaft is fitted to the engaging portion.

The thickness adjusting grooves are formed around the coupling grooves of the striking member. The widths of the thickness adjusting grooves are different from each other such that the thicknesses of the striking surfaces are different from each other, .

According to the present invention, since various striking surfaces are provided on the striking member, putting and putting exercises can be performed in various forms, and a striking member made of different materials is integrated into the striking member, so that various types of striking feelings can be provided. It is possible to provide an effect that can be efficiently performed.

Further, by forming the sound generating groove in the striking member, a light hit sound is generated when the golf ball is struck at the stitch point of the striking face, so that it is possible to easily recognize that the striking sound is accurate.

1 and 2 are views showing a golf putter for practice according to the prior art.
3 is an exploded perspective view showing a variable-type golf putter according to a first embodiment of the present invention.
4 (a), 4 (b) and 4 (c) are perspective views showing other embodiments of the striking member shown in FIG.
5 is a cross-sectional view showing the engaging state of the practice golf putter shown in FIG.
6 is a plan view showing the use state of the practice golf putter shown in Fig.
7 (a), 7 (b), 7 (c) and 7 (d) are views showing a variable golf putter according to a second embodiment of the present invention.
8 is a schematic plan view showing the use state of the variable golf putter shown in Fig.
9 is a perspective view illustrating a variable-type golf putter according to a third embodiment of the present invention.
10 is an exploded perspective view illustrating a variable golf putter according to a fourth embodiment of the present invention.
11 is an engaging state sectional view showing the variable golf putter shown in Fig.
FIG. 12 is an exploded perspective view showing another embodiment of the variable golf putter shown in FIG. 10; FIG.
13 (a), (b) and (c) are views showing another embodiment of the striking member shown in Fig.
14 is an exploded perspective view showing a variable-type golf putter according to a fifth embodiment of the present invention.
Fig. 15 is a coupled state sectional view of the variable golf putter shown in Fig. 14;
16 is a plan view showing the use state of the variable golf putter shown in FIG.
17 is an exploded perspective view showing a variable-type golf putter according to a sixth embodiment of the present invention.
FIG. 18 is a perspective view of the engaging state of the variable golf putter shown in FIG. 17. FIG.
19 is a sectional view taken along line AA in Fig.
20 is a bottom view showing the striking member shown in Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

It is to be understood that the terminology used herein is for the purpose of describing the embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

3 is an exploded perspective view illustrating a variable golf putter according to a first embodiment of the present invention. FIGS. 4 (a), 4 (b) and 4 (c) FIG. 5 is a cross-sectional view illustrating the engaging state of the practice golf putter shown in FIG. 3; FIG. 6 is a plan view showing the use state 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 .

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

The putter head 20 is provided with a through hole 22 for penetrating the fastening bolt 40 upwardly from the bottom face and a center area of the head striking face 24 corresponding to the through hole 22, (26) for opening a part of the upper surface (23) of the cover (20) toward the striking direction is formed.

The striking member 30 is formed into a spherical shape having a golf ball shape and a striking surface 34 is formed on the outer circumferential surface thereof. The bottom surface of the striking member 30 is formed with a seating surface 32 and a supporting surface 32A which are supported on the edge of the upper surface 23 so as to be seated on the upper surface 23 of the putter head 20. The seating surface 32 is formed with a screw engagement groove 32B for fastening and fastening the fastening bolt 40.

A portion of the striking surface 34 of the striking member 30 is seated on the upper surface 23 so as to protrude more than the head striking surface 24 through the cutout portion 26, ). ≪ / RTI >

The striking surface 34 of the striking member 30 is composed of a spherical striking surface 34A having a 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, a plurality of striking members 30 are provided for each size of the flat striking surface 34B and are selectively coupled to the putter head 20. [ The striking surface 34A or the flat striking surface 34B is provided so that the striking member 30 and the striking member 39 of a different material are integrated.

This will be described in more detail.

The putter head 20 is formed with a through hole 22 through which the fastening bolt 40 passes upward from the bottom. 3, the upper surface 23 of the putter head 20 is formed in a central area of the head striking surface 24 corresponding to the through hole 22, An incision portion 26 is formed for opening a part toward the striking direction. The cutout portion 26 is for exposing a part of the striking face 34 in the forward direction (striking direction) when the striking member 30 is engaged with the upper face 23 of the putter head 20.

The through hole 22 is formed so that the head of the fastening bolt 40 is engaged with the bottom surface of the putter head 20 when the fastening bolt 40 is coupled to the striking member 30 through the through hole 22. [ As shown in Fig. It is preferable that the through hole 22 and the cutout portion 26 are formed in the middle (central region) of the putter head 20.

The striking member (30) is configured to be selectively engaged or disengaged with the putter head (20). The striking member 30 is formed in the same shape as the golf ball, the same size as the golf ball, or the like, as shown in Fig. A striking surface (34) of spherical or planar shape is formed on the outer peripheral surface of the striking member (30). A seating surface 32 is formed on the bottom surface of the striking member 30 so as to be seated on the upper surface 23 of the putter head 20. A seating surface 32 is seated on the upper surface 23 on one side of the seating surface 32 The support surface 32A is formed so as to be supported by the edge 23A of the upper surface 23 in a stepped manner. This structure is for stably supporting the impact generated when the golf ball is struck by the striking surface 34 by the support surface 32A. The seat surface 32 is formed with a screw thread engagement groove 32B for fastening the fastening bolt 40 to be engaged therewith.

The striking member 30 constructed as described above is fixed to the upper surface 23 such that a part of the striking surface 34 protrudes more than the head striking surface 24 through the incision 26 by the fastening bolt 40 And is replaceably coupled to the putter head 20. Even if the fastening bolt 40 is fastened to the screw fastening groove 32B from the bottom surface of the putter head 20 through the through hole 22, the head of the fastening bolt 40 is seated on the stepped through hole 22, It does not protrude to the bottom surface of the head 20.

The striking surface 34 of the striking member 30 is composed of a spherical striking surface 34A having a 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, it is preferable that a plurality of striking members 30 are provided for each size of the flat striking surface 34B. That is, when the plurality of striking members 30 having the flat striking surfaces 34B having different sizes are provided, the user selects the striking members 30 having the flat striking surfaces 34B of the desired size, ) Can be used in combination.

The striking member 30 is provided on the spherical striking face 34A or the flat striking face 34B so that the striking member 30 and the striking member 39 of a different material are integrated. That is, as shown in FIGS. 4 (b), 4 (c) and 5, a plurality of grooves 31 for striking material are formed at a predetermined depth on the spherical striking surface 34A or the flat striking surface 34B, The striking member groove 31 is filled with the striking member 38 different from the striking member 30 or integrated with the striking member 30 by insert injection molding. For example, when the striking member 30 is formed of iron, the groove 31 for the striking member is filled with a metal material different from iron, such as copper or aluminum, or integrated by insert injection molding.

As described above, the striking member groove 31 is formed on the spherical striking face 34A or the flat striking face 34B and the striking member 39 made of a material different from that of the striking member 30 is formed in the striking member groove 31 So that it is possible to provide a variety of hitting feel and hit sounds to the user who puts the golf putter.

In the present embodiment, the striking member 39 is filled in the striking member groove 31 or integrated with the striking member 30 by insert injection molding, but the present invention is not limited thereto. The protrusions 31-1 are protruded from the bottom of the groove 31 for the striking member and the strikes 31-1 are struck between the protrusions 31-1, The ash 39 may be filled and integrated or integrated by insert injection molding.

In the variable golf putter according to the present embodiment, the lower end portion 12 of the shaft 10 is formed in a polygonal shape and the putter head 20 is provided with a polygonal engaging portion for engaging the lower end portion 12 of the shaft 10. [ (21) are formed. At this time, the lower end portion 12 and the engaging portion 21 are formed in a saw tooth structure (spline coupling) rather than a polygonal shape and can be coupled to each other. The lower end portion 12 of the shaft 10 is inserted into the engaging portion 21 so as to adjust the mutual coupling angle and the lower end of the putter head 20 or the lower end portion 12 by a bolt (not shown) fastened thereto. Of course, the lower end portion 12 may be firmly coupled to each other by another fixing means in a state where the lower end portion 12 is fitted in the coupling portion 21. [

6, the lower end portion 12 and the engaging portion 21 of the shaft 10 are formed into a polygonal or saw-tooth structure, so that the putter member 30, which is coupled to the striking member 30 with respect to the shaft 10, The coupling angle of the head 20 can be adjusted. If the lower end portion 12 and the engaging portion 21 have a fine saw tooth structure, the putter head 20 can be adjusted at a finer angle.

The operation of the variable golf putter according to the first embodiment of the present invention will be described.

The user may select the striking member 30 having a different striking surface 34, e.g., a spherical striking surface 34A, to engage the top surface 23 of the putter head 20, or the flat striking surface 34B, And engages with the upper surface 23 of the putter head 20. [0050] As shown in Fig. That is, the user selects the striking member 30 having the striking surface 34 he wants and engages with the putter head 20 using the fastening bolt 40.

Then, when the striking member 30 is coupled to the putter head 20, the striking surface 34 protrudes more toward the striking direction than the striking surface 24 of the putter head 20 through the cutout 26, The putting practice for hitting the golf ball with the striking member 30 can be performed as shown in Fig.

The user may then engage the striking member 30 with the spherical striking surface 34A to the putter head 20 or select the striking member 30 with the striking surface 34B to engage the putter head 20 So that the putting practice can be efficiently performed with various striking surfaces.

The seating surface 32 of the striking member 30 is seated on the upper surface 23 of the putter head 20 and the supporting surface 32A is supported on the edge of the upper surface 23, The putter head 30 and the putter head 20 are firmly engaged with each other. In addition, not only the striking member 30 is prevented from flowing during the putting practice but also the support surface 32A is supported by the edge 23A of the upper surface 23, It is possible to hit.

Particularly, since the striking member 39 made of a material different from that of the striking member 30 is integrally provided on the striking face 34, it is possible to provide the user with various types of striking sensation and a striking sound.

7 (a), 7 (b), 7 (c) and 7 (d) are views showing a variable golf putter according to a second embodiment of the present invention. 8 is a schematic plan view showing the use state of the variable golf putter shown in Fig.

7 to 8, the variable golf putter according to the second embodiment includes a putter head 20 coupled to the lower end portion 12 of the shaft 10 and having a head striking surface 24, And a striking member (30) selectively coupled to the head (20). The putter head 20 is formed with a through hole 22 through which the fastening bolt 40 passes upward from the bottom. In the central region of the head striking surface 24 corresponding to the through hole 22, that is, in the region where the through hole 22 is formed, a portion of the upper surface 23 of the putter head 20 is opened A portion 26 is formed. A 3-octagonal coupling protrusion 27 protrudes upward from the upper surface 23 on which the through hole 22 is formed.

The striking member 30 is formed in a golf ball shape or a polygonal shape, and striking surfaces 34 having different shapes and different sizes are formed on the outer surface, respectively. And a seating surface 32 for seating on the upper surface 23 is formed on the bottom surface. The seating surface 32 is formed with a 3-octagonal shape such that the engaging projections 27 are inserted and engaged when the upper surface 23 is seated and the engaging surfaces 32C-1 having the same direction as the striking surfaces 34 are formed. The engaging groove 32C is formed. The engaging groove 32C is formed with a screw engagement groove 32B for engaging and fastening the fastening bolt 40 when the fastening protrusion 27 is inserted.

The striking member 30 sets the direction of the striking member 30 so that the striking face 34 selected from the striking faces 34 is exposed to the incised portion 26 so that the engaging protrusion 27 is inserted into the engaging groove 32C And the fastening bolt 40 is passed through the through hole 22 and fastened to the screw fastening groove 32B of the fastening groove 32C. In this process, the striking member 30 is engaged with the putter head 20.

The striking surface 34 of the striking member 30 is composed of a spherical striking surface 34A having a curvature like a golf ball or a flat striking surface 34B made of a flat surface. A plurality of striking members 30 are provided for the size of the flat striking surface 34B and are selectively coupled to the putter head 20 when the flat striking surface 34B is formed. The spherical striking surface 34A or the flat striking surface 34B is the same as the above-described embodiment except that the striking member 30 and the striking member 39 of a different material are integrated.

At this time, the coupling protrusions 27 are formed in a quadrangular shape in the present embodiment, but the present invention is not limited thereto, and may be formed in a triangle or octagonal shape.

As described above, the engaging protrusion 27 is formed in the putter head 20, the engaging groove 32C is formed in the striking member 30, and the striking member 30 is engaged by the engaging protrusion 27, It is possible to maintain the state of engagement with the putter head 20.

When the user selects the spherical striking surface 34A from among the spherical striking surface 34A or the flat striking surfaces 34B of the striking member 30, the spherical striking surface 34A is exposed to the incising portion 26 side So that the engaging groove 32C of the striking member 30 faces the engaging groove 32C so that the engaging surface 32C-1 of the engaging groove 32C coinciding with the spherical striking surface 34A faces the cut- (27) is inserted and then fastened to the fastening bolt (40) so that the fastening surface (34) can be selected.

The striking member 30 in which the plurality of striking surfaces 34 are formed is provided with a polygonal engaging groove 32C having a plurality of engaging surfaces 32C-1 having the same direction as the striking surfaces 34, Since the polygonal engaging projection 27 is formed on the upper surface 23 of the putter head 20, the user can select the preferred striking surface 34 among the plurality of striking surfaces 34, The engaging projection 27 is engaged with the engaging groove 32C so that the engaging surface 32C-1 that coincides with the striking surface 34 selected to be exposed to the incising section 26 faces the direction of the incising section 26 can do. Thus, the user can perform batting practice using the selected batting surface 34. [

Since the plurality of striking surfaces 34 are formed on one striking member 30 and each striking surface 34 can be selected and used as a simple structure, the striking surface 34 of various shapes and sizes ) Can be selected and used.

In addition, since the striking member 30 can be coupled to the putter head 20 by selecting the size of the striking surface 34, various striking senses can be learned.

On the other hand, the striking member groove 31 is formed on the striking surface 34 and the striking member 39 of the striking member 30 and the striking member 39 are integrated into the striking member groove 31 as in the above- It is possible to provide a hitting feel and a sound different from hitting the hitting member 30 made of only one kind of material when the user performs the hitting.

7 (c) and 8 show another embodiment of the variable golf putter according to the third embodiment of the present invention shown in Figs. 7 (a) and 7 (b).

8A and 8B, the striking member 30 according to another embodiment has a thickness adjusting groove 37 for making the thicknesses of the striking surfaces 34 different from each other, ) Of the first embodiment are the same as those of the above-described embodiment. A thickness adjusting groove 37 is formed around the engaging groove 32C of the striking member 30 so that the thickness of the striking surfaces 34 may be different from each other with respect to the engaging surfaces 32C- The width W of the groove 37 is formed differently from each other. Here, the thickness of the striking surface 34 means the thickness between the engaging surface 32C-1 and the striking surface 34. [

The thicknesses of the thickness adjusting grooves 37 are different from each other so that the thicknesses of the striking surfaces 34 are different from each other. By selecting the striking surface 34 to strike the golf ball, It is possible to provide various types of hitting feel and sound according to the thickness of the body.

7 (d), another embodiment of the variable golf putter according to the first to third embodiments of the present invention shown in Figs. 3 to 7 is shown in the accompanying drawings. As shown in Fig. 7 (d), the variable golf putter is formed with a through hole 22 in the center of the putter head 20, with a seating groove 25 opened upward from the striking direction side. A striking member 30 having striking surfaces 34 of different shapes, shapes and sizes is inserted into the striking grooves 25 from the bottom surface of the striking member 30 through the through holes 22, And is integrated with the putter head 20 by the fastening bolts 40 fastened to the bottom surface. At this time, the shape of the seating groove 25 is formed to be the same as the shape of the striking member 30, so that the striking member 30 can be stably inserted.

The striking member 30 is engaged and fastened by the fastening bolt 40 inserted into the seating groove 25 of the putter head 20 so that the engagement state of the striking member 30 and the putter head 20 is stabilized Can be maintained.

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

9, the variable golf putter according to the third embodiment includes a striking surface 34 coupled to one end of the lower end portion 12 of the shaft 10 and striking the golf ball, And a striking member 30 in which a spherical or flat practice striking surface 34-1 is formed on the opposite side. That is, in the variable golf putter according to the third embodiment, the lower end portion 12 of the shaft 10 is fixed to one end of the striking member 30 having the striking surface 34 and the practice striking surface 34-1 on both sides And has a structure to be combined.

The lower end portion 12 of the shaft 10 is formed in a polygonal shape and the striking member 30 is formed with a polygonal engaging portion 33 for engaging with the lower end portion 12 of the shaft 10, The lower end portion 12 of the shaft 10 is engaged with the bolt 40A fastened from the bottom surface of the striking member 30 in a state where the lower end portion 12 of the shaft 10 is fitted in the engaging portion 33 to adjust the angle.

Although not shown in the drawings, the striking surface 34 and the striking surface 34-1 may be provided with the striking member 39 described above.

As described above, since the striking member 30 is directly coupled to the shaft 10, a separate putter head 20 becomes unnecessary, a striking surface 34 is formed on one surface of the striking member 30, By forming the practice striking face 34-1, the user can strike (put) the golf ball with the striking face 34, and convenience for batting practice with the practice striking face 34-1 is provided .

FIG. 10 is an exploded perspective view illustrating a variable-type golf putter according to a fourth embodiment of the present invention, and FIG. 11 is a sectional view illustrating a variable-type golf putter shown in FIG.

10 and 11, the variable golf putter according to the fourth embodiment includes a putter 210 having a coupling end 210 which is joined to the lower end portion 12 of the shaft 10 and extends in the horizontal direction, A head 20 and a striking surface 34 for striking the golf ball are formed on one side and a spherical or planar training striking surface 34-1 is formed on the opposite side and joined to the putter head 20, And a striking member (30) having an engaging portion (33). The striking member 30 is integrally formed and is coupled to the coupling end 210 of the putter head 20. [ The lower end portion 12 of the shaft 10 is formed in a polygonal shape and inserted into the engaging portion 33 of the striking member 30 and inserted into the through hole 21A for the fastening bolt formed in the putter head 20, Bolts 40A are fastened to screw holes (not shown) formed in the inner diameter of the lower end portion 12 fitted to the engaging portion 33. [ Thus, the shaft 10, the striking member 30, and the putter head 20 are integrated. Of course, the lower end portion 12 and the putter head 20 can be coupled to each other by a fixing structure other than the fastening bolt 40A.

The present embodiment can adjust the mutual coupling angle of the striking member 30 and the shaft 10 according to the coupling angle of the lower end portion 12 and the coupling portion 33. [ That is, by adjusting the angle at which the lower end portion 12 of the shaft 10 is inserted into the engaging portion 33 of the polygon, the bolt 40A is fastened to the lower end portion 12 from the bottom surface of the putter head 20, ) Is determined.

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

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

An insertion groove 35 is formed in the bottom surface of the striking member 30 so that the coupling end 210 is inserted into the insertion hole 210. When the coupling end 210 is inserted into the insertion groove 35, The fastening bolt 40 penetrates through the bottom surface and is fastened to the screw hole formed in the insertion groove 35 of the striking member 30 so that the striking member 30 and the coupling end 210 can be firmly coupled.

As described above, since the striking member 30 is coupled to the coupling end 210 of the putter head 20 in a fitting structure and a fastening structure, the striking member 30 having various shapes and sizes can be selected and used have. A striking surface 34 is formed on one side of the striking member 30 and a training striking surface 34-1 is formed on the opposite side of the striking member 30 so that the user can strik And it is possible to provide convenience to practice batting with the practice batting surface 34-1.

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

Another embodiment of the variable golf putter shown in Figs. 10 and 11, as shown in Fig. 12, is similar to that of Fig. 10, except that the striking member 30 is sized and shaped to select the striking surface 34 and the practice striking surface 34-1. Except that the shape is divided into two to five different shapes and coupled to the coupling end 210. The fourth embodiment is the same as the fourth embodiment. At this time, it is a matter of course that insertion grooves 35 are formed in the bottom surface of each of the divided striking members 30 so that the coupling ends 210 are inserted.

At this time, when the striking members 30 are divided and formed as described above, the divided striking members 30 may be formed of different materials. As described above, the striking member 30 is made of different materials, so that the user can perform the batting practice by selecting the striking member 30 which provides the desired striking feeling.

12, since the striking members 30 are separately formed in different sizes and shapes, the user can select the striking member 30 suitable for his / her preference and perform the putting practice Convenience can be provided.

13 (a) and 13 (b), the striking member 30 according to the above-described fourth embodiment is provided on the striking surface 34 with the striking member 30 made of a material different from that of the striking member 30 (Not shown).

For example, if the striking member 30 is made of iron, the striking member 39 is made of copper or aluminum, so that it is possible to provide the user with various feelings of hitting. That is, the striking member groove 31 is formed on the striking face 34 and the practice striking face 34-1. The striking member groove 31 is formed of a metal material different from the striking member 30 or a hard synthetic resin material Etc. are filled or insert injection molding is integrated. In particular, as shown in Figs. 13 (a) and 13 (b), protrusions 31-1 protrude from the bottom of the groove 31 for the striking member formed on the striking surface 34, The striking member 39 may be filled in the groove 31 for the striking member to be integrated or integrated by insert injection molding.

Thus, the striking member 39 is integrated with the striking surface 34 or the practice striking surface 34-1 so that the user can strike the golf ball with the striking surface 34 having the striking member 39 , It is possible to obtain a feeling of hitting and a sound different from that of striking the striking surface 34 made of only one metal. According to this embodiment, it is possible to provide the user with various types of hitting feel and sound.

13 (c) is a view showing another embodiment of the striking member shown in FIG. 12 in the accompanying drawings.

13 (c), when the striking member 30 is formed into a spherical (spherical) shape and the training striking surface 34 is formed on the spherical outer peripheral edge 34-3, A spherical impact portion 34-2 having a curvature smaller than the curvature of the outer periphery 34-3 of the impact member 30 is formed in the spherical impact portion 34-2, (34-5) are formed in the second embodiment.

That is, a spherical strike portion 34-2 having a small curvature is formed on the practice striking surface 34 at the outer peripheral edge 34-3 of the striking member 30 and a spherical strike portion 34-2 is formed at the spherical strike portion 34-2, The area of the auxiliary striking surface 34-5 can be increased or decreased when the distance between the virtual striking surfaces is set in advance from the center of the insertion groove 35 by forming the auxiliary striking surface 34-5. That is, when the distance between the imaginary striking surfaces is set from the center of the insertion groove 35, the distance between the imaginary striking surfaces from the center of the insertion groove 35 is not changed, It is possible to form the member 30 or to form the striking member 30 in which the area of the striking surface is small.

13 (c), when the distance between the imaginary striking surfaces is set from the center of the insertion groove 35 at the time of manufacturing the striking member 30, 34 having a curvature smaller than the curvature of the striking member 30 is formed by protruding a spherical striking part 34-2 having a curvature smaller than the curvature of the striking member 30 and an auxiliary striking surface 34-5 is formed on the striking area side of the spherical striking part 34-2 At this time, the area of the auxiliary striking surface 34-5 can be increased or decreased by increasing or decreasing the curvature of the spherical striking part 34-2. With this structure, the distance between the imaginary striking surfaces from the center of the insertion groove 35 does not change, and the striking member 30 having an area different from that of the striking surface 34-5 can be obtained. This structure is the same as the structure shown in Fig.

The upper surface of the striking member 30 may be provided with a decorative member J made of gemstones and semi-precious stones such as sapphire and cubic to enhance the value of the striking member 30 and improve visibility. J may have a threaded portion to be fastened to a screw hole formed in the striking member 30 and may be coupled to the striking member 30 by a fastening structure or may be coupled by a separate fastening structure.

14 is an exploded perspective view showing a variable-type golf putter showing a fifth embodiment of the present invention, FIG. 15 is an engaging-state sectional view of the variable-type golf putter shown in FIG. 14, Fig. 5 is a plan view showing the use state of the variable-type 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 it 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, A first striking member 300A having a spherical shape having a golf ball shape and being horizontally coupled to a side surface of the first striking member 300A so as to be positioned on a straight line with the first striking member 300A, A second striking member 300B having a spherical shape having a golf ball shape and being disposed on the side of the second striking member 300B so as to be positioned in a straight line with the first striking member 300A and the second striking member 300B, A nut is fastened to one end penetrating the first striking member 300A, the second striking member 300B and the third striking member 300C and the shaft 10 is fastened to the other end, And the second striking member 300B and the third striking member 300C are integrated with each other so that the first striking member 300A, the second striking member 300B, (400).

The first striking member 300A, the second striking member 300B and the third striking member 300C are provided with a spherical striking surface 320 having a curvature like a golf ball and a flat striking surface 340 having a flat surface And the flat striking surfaces 340 are formed in different sizes, respectively. That is, the outer peripheral surface of each of the striking members 300A, 300B and 300C is divided into four equal parts to form a spherical striking surface 320, and the other flat surfaces are formed with flat striking surfaces 340 having different sizes. The plurality of different striking surfaces are formed on one striking member so that the user can select and use striking surfaces having various sizes and shapes (spherical or planar).

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 formed with first The striking member 300A is integrated with the striking member 390 of the second striking member 300B and the third striking member 300C and the striking member 390, Is filled in the groove 310 for the striking member formed on the flat striking surface 340 or is integrated with the striking member by insert injection molding.

On both sides of the first striking member 300A and the second striking member 300B facing the third striking member 300C and on both sides of the first striking member 300A and the third striking member 300C, It is possible to change the position of the striking member 300B and the third striking member 300C or to select each of the spherical striking surface 320 and the flat striking surface 340 or to select the striking surfaces 320 and 340 in accordance with the right- The position changing means 500 is provided.

The position changing means 500 includes a 3-octagonal connecting member 510 having a predetermined length and a first striking member 300A and a second striking member 300B such that the connecting member 510 is fitted, And a 3-octagonal positioning groove 520 formed on both sides of the third striking member 300C.

The polygonal connecting member 510 and the polygonal positioning groove 520 are formed in a rectangular shape in this embodiment, and the number of the connecting members 510 is at least two. This is for the other striking members to be coupled and coupled to both striking members located at 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 a metal material or a synthetic resin material.

Each of the coupling members 510 is formed with a through hole for allowing the coupling rod 400 to pass therethrough.

The operation of the practice golf putter according to the fifth embodiment constructed 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, One end of one coupling member 510A is fitted into the positioning groove 520 of the first striking member 300A while the third striking member 300C is positioned on one side of the striking member 300B, And is fitted into the positioning groove 520 formed on one surface of the second striking member 300B. One end of the other coupling member 510B is fitted into the positioning groove 520 formed in the other surface of the second striking member 300B and the other end is fitted into the positioning groove formed in one surface of the third striking member 300C 520).

Then, the coupling rod 400 is passed through the first striking member 300A, the first connecting member 510A, the second striking member 300B, the second connecting member 510B, and the third striking member 300C . A nut is fastened to the coupling rod 400 exposed to the other surface side positioning groove 520 of the third striking member 300C and the positioning groove 520 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. 16A, the right-handed user can perform the putting practice with the putter having the putter head 200 composed of the first, second, and third striking members 300A, 30B, and 300C It is. At this time, the striking face striking the golf ball becomes the spherical striking face 320 or the flat striking face 340 of the striking member positioned at the center.

Meanwhile, in order to select the spherical striking surface 320 among the striking surfaces 320 and 340, the user loosens the nut of the coupling rod 40 that integrates the first, second, and third striking members 300A, 30B, and 300C, After the respective connecting members 510A and 510B are pulled out from the second striking member 300B positioned and the second striking member 300B is rotated to position the desired spherical striking surface 320 in the striking direction, The nuts are fastened to both ends of the coupling rod 40 as a single process so that the first, second and third striking members 300A, 30B and 300C are integrated again.

If the user is left-handed, the user may strike by changing the hitting direction as shown in FIG. 16 (b). In other words, since the striking surfaces 320 and 340 are formed on various surfaces of the striking members 300B and 320C, the left-handed user can strike the striking member 300 with different striking directions after mounting the club.

As described above, the practice golf putter according to the present embodiment can select the striking surfaces by selecting the striking members 300B and 300C, thereby making it possible to practice the putting using the various striking surfaces 320 and 340 more efficiently, Since the striking surfaces 3220 and 340 are formed in both directions so that the striking direction is not fixed to one place, the putting practice can be easily performed for a left-handed user as well as a right-handed user.

In addition, since the ball striking surface 320 and the flat striking surface 340 are provided with the striking member 390 made of a material different from that of the striking members 300B and 300C, it is possible to provide the user with various striking feelings during the striking practice .

17 is an exploded perspective view illustrating a variable-type golf putter according to a sixth embodiment of the present invention. FIG. 18 is a perspective view of the engaging state of the variable golf putter shown in FIG. 17. FIG. 19 is a sectional view taken along the line A-A in Fig.

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

The putter head 20 is formed with a through hole 22 through which the fastening bolt 40 passes upward from the bottom. A cutout portion 26 for opening a part of the upper surface 23 of the putter head 20 toward the striking direction is formed in a central region of the head striking surface 24 corresponding to the through hole 22 described above. 17 and 19, a cut-off hole 29 is formed on the opposite side of the head striking face of the putter head 20, and through-holes (not shown) between the cut- 22) is formed in the peripheral region thereof with an engaging portion 23A extending in a direction perpendicular to the striking direction. The engaging portion 23A has a rectangular cross section on the side surface (direction A in 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 and left hands can select and use the shaft 10. [ At this time, the lower end portion 12 of the shaft 10 and the engaging hole 21 are formed to be polygonal or splined to each other, so that the angle of engagement between the putter head 20 and the shaft 10 can be adjusted.

The striking member 30 may have striking surfaces 34 formed on both outer sides or one outer side surface thereof. In this embodiment, striking surfaces 34 are formed on one side and auxiliary striking surfaces 34-5 Is formed on the surface of the substrate. 18 and 19, the engaging groove H for engaging and engaging the engaging portion 23A is formed so as to be opened downward and in both directions orthogonal to the hitting direction. A screw engagement groove H1 for fastening the fastening bolt 40 is formed on the bottom surface of the coupling groove H.

The striking sound generating groove 34-4 is formed in the striking member 30 such that the striking sound is generated when the golf ball is struck on the entire surface of the striking surface 34 or the surface of the area corresponding to the turning point P, . 19 and 20, in the area corresponding to the striking surface 34 or in the area corresponding to the stitching point P of the striking surface 34, Side direction, the top face direction, or the engaging groove 35 direction. And is preferably opened toward the bottom surface of the striking member 30. [

The formation of the sound generating groove 34-4 in the striking member 30 as described above can provide a pleasant sound when the golf ball is accurately hit at the fixing point P and a strike sound , A blunt sound is produced so that the player can judge whether or not an accurate hit is made as a sound.

Although not shown in the drawings, the impact sound generating grooves 34-4 may be filled with a filler material made of a metal material or synthetic resin material different from the impact material 30, 30). Integrating these striking materials is intended to generate a variety of feelings.

13 (c), 17, and 18, the striking member 30 may not be provided with the sound generating groove 34-4. That is, the sound generating groove 34-4 can be selectively formed as needed.

The striking member 30 may have a shape in which a polygonal shape including a rectangle, a hemisphere, a quadrangle, or a rectangle and a rectangle are combined.

The striking member 30 thus configured and the putter head 20 are coupled to each other with the following structure. That is to say the striking surface 34 or the auxiliary striking surface 34-6 is projected more than the head striking surface 24 or the head striking surface 24 through the cut- The fastening bolt 40 is fastened to the screw coupling groove H1 through the through hole 22 in a state where the fastening bolt 40 is inserted into the putter head 20 and the fastening bolt 40 is fastened to the putter head 20, do. At this time, a part of the striking member 30 is placed in the incision hole 29, as shown in Figs. 18 and 19. That is, since the engaging portion 23A is formed between the cutout portion 26 of the putter head 20 and the cutout hole 29, the striking member 30 is inserted into the engaging groove H so that the engaging portion 23A is inserted. A part of the striking member 30 on the side of the striking direction is positioned on the side of the incised portion 26 while the engaging groove H is engaged with the engaging portion 23A while the engaging groove H is wrapped around the striking member 30 ) Is partially inserted into the incision hole 29 and is in a state of being positioned.

Thus, the striking member 30 can be coupled to the putter head 20 since the engaging groove H is engaged while engaging the engaging portion 23A.

17 to 19, the mark C for indicating the hitting direction is formed on the outer circumferential surface of the striking member 30 by a plurality of grooves or lines . The user can recognize the putting direction through the mark (C) and apply it to the putting. For this purpose, the mark C is formed in a row.

17 to 19, the striking member 30 according to another embodiment is provided with a decorative member J1 for decoration made of gemstones or semi-precious stones on the upper surface thereof. The decoration member J1 is partially fitted into a fitting groove formed at the center of the upper surface of the striking member 30 or a male screw formed in the decorative member J1 is formed in the upper surface of the striking member 30 And can be fastened to and joined to the borehole. This structure is for facilitating replacement or replacement of the decorative member J1. At this time, the decorative member J1 may be joined to the groove-shaped mark C or may be formed at a position different from the mark C.

The striking member 30 has a spherical shape, a hemispherical shape, or a shape in which a polygonal shape and a spherical shape are combined. The overall size (diameter) of the striking member 30 is set. A striking position P2 for striking the striking member 30 is formed on the outer periphery of the spherical body, 17 to 19, when the distance L between the center P1 and the striking position P2 of the striker 30 is set in advance, A hemispherical auxiliary port 34-6 is protruded from the striking surface 34 formed in the peripheral edge and an auxiliary striking surface 34-5 is formed in the auxiliary port 34-6.

19, when the distance L between the center P1 of the striking member 30 and the striking position P2 is predetermined and the size of the striking member 30 is determined in advance, The area of the striking surface 34 formed on the peripheral edge can not be made large or small. In order to solve this problem, a hemispherical auxiliary port 34-6 is protruded from the striking surface 34 formed on the outer periphery of the spherical body. And the auxiliary striking surface 34-5 is flatly formed on the outer peripheral edge of the auxiliary port 34-6 corresponding to the striking position P2.

In order to form the striking member 30 having a large area of the auxiliary striking surface 34-5, the size of the auxiliary tool 34-6 is increased so that the vertex area of the auxiliary tool 34-6 The auxiliary striking surface 34-5 is formed to have a large area in the auxiliary striking surface 34-5 and the auxiliary striking surface 34-5 is formed in the auxiliary striking surface 34-5 in order to form the striking member 30 having a small area of the auxiliary striking surface 34-5 The auxiliary striking surface 34-5 is formed so as to have a small area at the apex area (struck position) of the auxiliary tool 34-6. By this process, the striking members 30 having different sizes (areas) of the auxiliary striking surface 34-5 can be respectively provided.

That is, the distance L between the striking position P2 for striking and the center P1 of the striking member 30 is not changed, and the area of the striking surface 34-5 is increased to form the auxiliary striking surface 34 The striking member 30 having a small area of the auxiliary striking surface 34-5 can be obtained by obtaining the striking member 30 having a large area of the auxiliary striking surface 34-5, It is. Accordingly, the user can select and use the striking member 30 having the auxiliary striking surface 34-5 of the desired size.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

10: shaft 20,200: putter head
21: engaging portion 22: through hole
23: upper surface 23A: edge
24: striking face of the putter head 25:
26: incision part 27: engaging projection
30: striking member 31: groove for striking member
32: seating face 32A: supporting face
32B: screw fastening groove 32C: engaging groove
32C-1: coupling surface 33: coupling portion
34,340: Striking face 34-1: Practice striking face
34A, 34-2, 320: spherical striking face 34B, 340: flat striking face
35: insertion groove
37: Thickness adjusting groove 39: Striking material
40: fastening bolt 210: fastening end
300A: first striking member 300B: second striking member
320C: third striking member 400: coupling rod
500: Position changing means 510, 510A, 510B:
520: positioning groove

Claims (2)

A putter head coupled to a lower end of the shaft and having a head striking surface, and a striking member selectively coupled to the putter head,
Wherein the putter head is formed with a through hole for allowing the fastening bolt to penetrate upward from the bottom face, and a cut portion is formed on the head striking face corresponding to the through hole to open a part of the upper face of the putter head toward the striking direction,
Wherein the striking member is formed in a golf ball shape and has a striking surface formed on an outer circumferential surface thereof, and a seating surface supported on an edge of the upper surface and a supporting surface are formed in a bottom surface so as to be seated on the upper surface, And a fastening bolt for fastening the fastening bolt to the fastening bolt, wherein the screw fastening groove is formed on the upper surface of the putter head so that a part of the fastening surface protrudes more than the head striking surface through the cut- And,
The striking surface of the striking member may be a spherical striking surface having a curvature such as a golf ball or a flat striking surface formed of a flat surface. When the striking member is formed of the flat striking surface, And selectively coupled to the putter head,
Wherein the ball striking surface or the flat striking surface is provided so that a striking member made of a material different from that of the striking member is integrated, and the striking member is filled in the groove for the striking member formed on the spherical striking surface or the flat striking surface, Characterized in that it is integrated with the striking member.
Adjustable golf putter. The method according to claim 1,
Wherein a lower end of the shaft is formed in a polygonal shape, and a polygonal coupling portion for coupling the lower end of the shaft to the putter head is formed on both sides so that a left-handed or a right- And the lower end of the shaft is engaged with the bolt fastened from the bottom surface of the putter head in a state where the lower end portion of the shaft is fitted to the engaging portion.
Adjustable golf putter.

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