Golf putter

WO2025063470A1PCT designated stage expired Publication Date: 2025-03-27KIM KWANG NAM
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Patent Information

Application Number
PCT/KR2024/010532
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-11-06
Filing Date
2024-07-22
Publication Date
2025-03-27

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Abstract

The present invention relates to a golf putter comprising: a putter head including a hitting part having a hitting surface for directly hitting a golf ball and an extension plate formed at the rear side of the hitting part, the hitting part including an engraved hole formed at the center of the upper surface to increase the moment of inertia and a furrow-shaped address marker protruding from the inner bottom surface of the engraved hole to be used for setup; and a shaft including a bar-shaped body, a neck formed at one end of the body and fastened to a groove formed on the upper surface of the hitting part to be fixedly connected to the putter head, and a grip formed at the other end of the body to be gripped by a hand of a user.
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Description

golf putter

[0001] The present invention relates to a golf putter, and more particularly, to a golf putter that helps with correct set-up (address).

[0002] The putter, one of the golf clubs, is used on every hole, and in order to reduce the number of strokes in golf, you must be good at putting using the putter.

[0003] Putting well requires understanding the distance to the hole, the power to hit the golf ball according to the distance, and understanding the line to the hole, but most importantly, hitting the ball accurately in the correct posture.

[0004] From a golfer's perspective, in order to hit the ball accurately, it is necessary to practice hitting the golf ball accurately from the correct setup posture.

[0005] From the putter's perspective, if the ball goes straight and the address is made easy even if the golfer does not hit the center spot of the putter, it will give the golfer a better score.

[0006] The purpose of the present invention is to provide a golf putter with improved moment of inertia.

[0007] In addition, the present invention aims to provide a golf putter that allows a golfer to comfortably perform a routine and have a consistent setup when addressing the ball.

[0008] According to an embodiment of the present invention for achieving the above object, a golf putter may include a striking portion having a striking surface for directly striking a golf ball, and an extension plate formed to extend to the rear of the striking portion, wherein the striking portion includes a putter head having an engraved hole formed in the center of an upper surface to increase a moment of inertia and a cone-shaped address marker protruding from an inner bottom surface of the engraved hole to be used for setup; and a shaft including a rod-shaped body, a neck formed at one end of the body and fixedly connected to the putter head by being engaged with a groove formed at an upper surface of the striking portion, and a grip formed at the other end of the body and held in a user's hand.

[0009] The above engraved holes have the same shape on the left and right or up and down with respect to the central axis, and can evenly distribute the weight of the putter head to the left and right.

[0010] The above engraved hole may have one of the shapes of a circle, an ellipse, and a polygon.

[0011] The above-mentioned engraved hole has a shape of a concave lens in which the width of the groove increases as it extends to the left and right based on the address marker, and the shape of the concave lens is a straight surface with one side being a straight surface and a curved surface with the other side opposite to the straight surface being a curved surface, and is configured such that the curved surface faces the striking surface. At this time, the striking portion may have a V-shaped upper surface groove formed corresponding to the curvature of the curved surface on the upper surface in front of the curved surface of the engraved hole.

[0012] The above-mentioned engraved hole has a shape of a concave lens in which the width of the groove increases as it extends to the left and right based on the address marker, and the shape of the concave lens has a concave shape in which both opposing sides have the same curvature, and a crescent-shaped bottom groove corresponding to the curvature may be formed between the striking surface and the engraved hole on the lower surface of the striking portion, and a crescent-shaped step corresponding to the curvature may be formed between the opposite surface of the striking surface and the engraved hole on the upper surface of the striking portion.

[0013] The above address marker has a bottom end connected to the bottom surface and an end furthest from the bottom end, and when viewed from the upper front, it has a shape in which the entire end and a part of the bottom end are visible, and the end end can be located at the center of the bottom end.

[0014] The putter header may have a straight head striking line formed by penetrating the engraved hole in the center of the upper surface, and the extension plate of the putter header may have at least two stepped portions formed therein, and a straight plate striking line positioned on the same line as the head striking line may be formed in the stepped portions.

[0015] According to an embodiment of the present invention, the present invention has a wider spot area based on the center of the putter head and an improved moment of inertia compared to a general putter, thereby having the advantage of improving the straightness and tolerance of the ball.

[0016] The present invention has the advantage of enabling a golfer to easily assume a correct setup posture by using an address marker when addressing the ball.

[0017] The present invention has the advantage of preventing golfers from wasting unnecessary time and additional costs in finding equipment that fits them each time.

[0018] FIG. 1 is a perspective view showing a golf putter according to an embodiment of the present invention.

[0019] Figure 2 is a perspective view showing a putter head according to a first embodiment of the present invention.

[0020] Fig. 3 is a plan view showing a striking portion of a putter head according to a second embodiment of the present invention.

[0021] Fig. 4 is a plan view showing a striking portion of a putter head according to a third embodiment of the present invention.

[0022] FIGS. 5 to 9 are drawings illustrating a putter head according to an embodiment of the present invention according to a golfer's line of sight.

[0023] FIG. 10 is a drawing showing another example of an address marker according to an embodiment of the present invention.

[0024] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Regardless of the drawing reference numerals, identical or similar components will be assigned the same reference numerals, and redundant descriptions thereof will be omitted. Furthermore, when describing embodiments disclosed in this specification, if a detailed description of a related known technology is judged to obscure the gist of the embodiments disclosed in this specification, the detailed description thereof will be omitted.

[0025] Terms that include ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by these terms. These terms are used solely to distinguish one component from another.

[0026] Singular expressions include plural expressions unless the context clearly indicates otherwise.

[0027] In this application, each step described may be performed regardless of the listed order, except in cases where a special causal relationship requires that the steps be performed in the listed order.

[0028] In this application, terms such as “include” or “have” are intended to specify the presence of a feature, number, step, operation, component, part or combination thereof described in the specification, but should be understood not to exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

[0029] FIG. 1 is a perspective view illustrating a golf putter according to an embodiment of the present invention. Referring to FIG. 1, the golf putter (100) according to an embodiment of the present invention may be a blade putter or a mallet putter. This golf putter (100) includes a putter head (200) and a shaft (400).

[0030] A putter head (200) has a predetermined size, and a neck (420) of a shaft (400) is connected to the upper surface, and when the shaft (400) is operated by a golfer, the putter head (200) strikes a golf ball according to the movement of the shaft (400). This putter head (200) is composed of a striking portion (210) that directly strikes a golf ball, and an extension plate (220) formed at the rear of the striking portion (210) (i.e., in the opposite direction to the area where the golf ball is struck). The striking portion (210) has an overall hexahedral shape, and is formed with a predetermined area in the front where a striking surface for striking a golf ball is set, and has a first configuration on the upper surface that improves the moment of inertia, which is a value that allows a golf ball to travel straight even if it is not a square shot, and a second configuration that allows for proper setup.

[0031] The shaft (400) includes a rod-shaped body (410), a neck (420) formed at one end of the body (410) and fixedly connected to the putter head (200) and the shaft (400) by being fastened to a groove formed on the upper surface of the striking portion (210), and a grip (440) formed at the other end of the body (410) and held in the user's hand. The present invention does not impose any limitations on the shape, material, or other configuration or structure of the shaft (400).

[0032] Fig. 2 is a perspective view showing a putter head according to a first embodiment of the present invention, taking a mallet putter as an example. The putter head (200) according to the first embodiment of the present invention includes a first configuration, an engraved hole (211), which improves the moment of inertia, and a second configuration, an address marker (212), which enables proper setup.

[0033] The engraved hole (211) is formed as a groove of a set size in the center of the upper surface of the putter head (200) to increase the moment of inertia (MOI) of the putter head (200). The engraved hole (211) has the same shape on the left and right or up and down with respect to the central axis, and the overall shape may be circular as shown in Fig. 2, but may also be polygonal such as an oval, square, pentagon, or hexagon, or may have various other shapes.

[0034] Accordingly, the left and right sides of the putter head (200) are symmetrical in shape and weight based on the center of the engraved hole (211), and accordingly, the engraved hole (211) evenly distributes the weight of the putter head (200) to the left and right sides based on the center point, thereby increasing the moment of inertia and increasing the area of ​​the sweet spot.

[0035] An address marker (212) is formed inside the engraved hole (211).

[0036] The address marker (212) is formed in various shapes, such as a cone-shaped or square cone-shaped cylinder, a square column, a pentagonal column, etc., within the engraved hole (211). That is, the address marker (212) may be formed such that the bottom is formed on the inner bottom surface of the engraved hole (211) and protrudes upward from the bottom, but the horizontal cross-sectional area becomes smaller at the same ratio as it goes toward the end.

[0037] Alternatively, the address marker (212) is formed so that the horizontal cross-sectional area increases at the same ratio as it goes toward the upper end, as shown in Fig. 10, and the end has a square shape with the same area as the bottom end.

[0038] Accordingly, in the case of a shape in which the horizontal cross-sectional area becomes smaller at the same rate as it goes toward the end, when a person looks at the address marker (212) from the upper front, it presents a shape in which the entire end and a part of the bottom end are visible, but the entire end is located at the center of the bottom end.

[0039] And, in the case of a shape in which the horizontal cross-sectional area increases at the same rate as it goes toward the end, when a person looks at the address marker (212) from the upper front, it shows a shape in which only the entire upper surface of the square shape of the upper end is visible when it is 90 degrees to the ground, and when the angle between the eyes and the ground is different depending on the user when setting up the putting posture, it shows a shape in which a part of the reverse cone-shaped pillar is visible depending on the position of the user's eyes and the ball.

[0040] Meanwhile, a straight head striking line (213) can be formed in the center of the upper surface of the golfer head (200). Since a negative hole (211) is formed in the center of the upper surface, one head striking line (213) is formed in the center of the upper surface excluding the negative hole (211). That is, the head striking line (213) is formed by penetrating the negative hole.

[0041] The extension plate (220) is formed with at least two step portions (221), and a straight plate striking line (222) positioned on the same line as the head striking line (213) can be formed on the step portions (221). Therefore, when a person looks at the address marker (212) from the upper front, the head striking line (213) and the plate striking line (222) are displayed as straight lines that are connected to each other.

[0042] The shape or structure of the extension plate (220) can be arbitrarily designed by the manufacturer, and in some cases, the plate striking line (222) may not be formed.

[0043] Fig. 3 is a plan view showing a striking portion of a putter head according to a second embodiment of the present invention. Referring to Fig. 3, the striking portion (210) of the putter head (200) according to the second embodiment of the present invention has the same configuration as the striking portion (21) according to the first embodiment of the present invention, but there is a difference in the shape of the engraved hole (211). That is, the engraved hole (211) according to the second embodiment of the present invention has a shape of a concave lens in which the width of the groove increases as it extends to the left and right based on the address marker (212). At this time, the shape of the concave lens is a straight surface with one side being a straight surface, and a curved surface opposite to the straight surface being a curved surface, and the curved surface can be manufactured to face the striking surface for striking a golf ball.

[0044] In addition, the striking portion (210) of the putter head (200) according to the second embodiment of the present invention may have a V-shaped upper surface groove (214) formed in response to the curvature of the curved surface in front of the curved surface of the engraved hole (211).

[0045] Fig. 4 is a plan view showing a striking portion of a putter head according to a third embodiment of the present invention. Referring to Fig. 4, the striking portion (210) of the putter head (200) according to the third embodiment of the present invention has an engraved hole (211) having a shape of a concave lens in which the width of the groove increases toward the left and right cross-sections based on the address marker (212), similar to the second embodiment of the present invention. However, the shape of the concave lens is a concave shape in which both opposing sides have the same curvature.

[0046] And, a crescent-shaped bottom groove (216) corresponding to the curvature of the curved surface can be formed on the bottom surface (the side opposite the top surface) of the striking portion (210) corresponding to the curved surface closer to the striking surface among the two curved surfaces. That is, the bottom groove (216) is formed between the engraved hole (211) and the striking surface.

[0047] In addition, a crescent-shaped step (215) corresponding to the curvature of the curved surface may be formed on the upper surface of the striking portion (210) corresponding to the curved surface that falls on the striking surface among the two concave curved surfaces.

[0048] FIGS. 5 to 9 are drawings illustrating a putter head according to an embodiment of the present invention according to a golfer's line of sight.

[0049] Fig. 5 shows a case where a golfer sets up with the putter head (200) far away. In this case, the golfer positions the golf ball on a straight line between the address marker (212) and the head striking line (213), but as shown in (a) of Fig. 5, since the putter head (200) is far away, the golfer's gaze looks downward at the address marker (212), and accordingly, as shown in (b) of Fig. 5, the end of the address marker (212) appears to be tilted upward relative to the bottom.

[0050] Fig. 6 shows a case where a golfer sets up with the putter head (200) close by. In this case, the golfer positions the golf ball on a straight line between the address marker (212) and the head striking line (213), but as shown in (a) of Fig. 6, because the putter head (200) is close by, the golfer's line of sight looks upwards at the address marker (212), and accordingly, as shown in (b) of Fig. 6, the end of the address marker (212) appears to be tilted downwards relative to the bottom.

[0051] Figure 7 illustrates a case where a golfer sets up with the putter head (200) positioned correctly but with the line of sight positioned in front of the golf ball (i.e., to the left in the drawing). In this case, the golfer positions the golf ball on a straight line between the address marker (212) and the head striking line (213), but since the line of sight is positioned in front of the golf ball, part of the striking surface is visible and the end of the address marker (212) appears to be tilted to the right relative to the bottom.

[0052] Figure 8 illustrates a case where a golfer sets up with the putter head (200) positioned correctly but with the line of sight positioned behind the golf ball (i.e., to the right in the drawing). In this case, the golfer positions the golf ball on a straight line between the address marker (212) and the head striking line (213), but because the line of sight is positioned behind the golf ball, the end of the address marker (212) appears to be tilted to the left relative to the bottom.

[0053] Meanwhile, the fact that the end of the address marker (212) appears upward or downward as shown in FIGS. 5 and 6 is caused by the gap between the golfer's position and the putter head, but it can also occur when the lie angle is flat or upright even if the distance between the golfer and the putter head is correct.

[0054] And, as shown in FIGS. 7 and 8, the end of the address marker (212) appears to be to the left or right when the golfer's line of sight is in front or behind the golf ball, but it may also occur when the loft angle is incorrect even when the golfer's line of sight is aligned with the golf ball.

[0055] Fig. 8 is a drawing showing the correct setup posture for putting. Referring to Fig. 8, the correct posture is a state in which the distance between the putter head (200) and the golfer's position is appropriate, as shown in Fig. 8 (a), so that the golfer's gaze is directed upwards toward the golf ball. When viewed from the correct setup posture, the address marker (212) is positioned with its end positioned midway between the end and the bottom.

[0056] Therefore, a golfer can set up a perfect loft angle and lie angle by checking the address marker (212) during setup using a golf putter (100) according to an embodiment of the present invention.

[0057] The technical features disclosed in each embodiment of the present invention are not limited to that embodiment, and, unless they are mutually incompatible, the technical features disclosed in each embodiment may be combined and applied to different embodiments.

[0058] Therefore, although each embodiment focuses on its own technical features, each technical feature can be applied in combination with each other as long as they are not mutually incompatible.

[0059] The present invention is not limited to the above-described embodiments and the attached drawings, and various modifications and variations are possible within the scope of those skilled in the art. Therefore, the scope of the present invention should be defined not only by the claims of this specification but also by equivalents thereof.

Claims

1. A putter head comprising a striking portion having a striking surface that directly strikes a golf ball, and an extension plate formed to extend to the rear of the striking portion, wherein the striking portion has an engraved hole formed in the center of the upper surface to increase the moment of inertia, and a cone-shaped address marker protruding from the inner bottom surface of the engraved hole to be used for setup; and A golf putter comprising a shaft comprising a rod-shaped body, a neck formed at one end of the body and fixedly connected to the putter head by being fastened to a groove formed on the upper surface of the striking portion, and a grip formed at the other end of the body and held in the hand of a user.

2. In paragraph 1, A golf putter in which the above engraved holes are of the same shape left and right or up and down based on the central axis, and the weight of the putter head is evenly distributed to the left and right.

3. In paragraph 2, A golf putter wherein the above engraved hole is in one of the shapes of a circle, an oval, and a polygon.

4. In paragraph 2, The above engraved hole represents the shape of a concave lens in which the width of the groove increases as it extends to the left and right based on the address marker, and the shape of the concave lens is a straight surface with one side being a straight surface and a curved surface opposite to the straight surface, and the curved surface faces the striking surface, A golf putter in which the above striking part has a V-shaped upper surface groove formed in response to the curvature of the curved surface on the upper surface in front of the curved surface of the engraved hole.

5. In paragraph 2, The above engraved hole represents the shape of a concave lens in which the width of the groove increases as it extends to the left and right based on the address marker, and the shape of the concave lens represents a concave shape in which both opposing sides have a curved surface with the same curvature. A golf putter in which a crescent-shaped bottom groove corresponding to the curvature is formed between the striking surface and the engraved hole on the lower surface of the striking portion, and a crescent-shaped step corresponding to the curvature is formed between the opposite surface of the striking surface and the engraved hole on the upper surface of the striking portion.

6. In paragraph 1, A golf putter in which the address marker has a bottom end connected to the bottom surface and an end furthest from the bottom end, and when viewed from the upper front, the entire end and a part of the bottom end are visible, and the end is located at the center of the bottom end.

7. In paragraph 6, A golf putter in which the address marker protrudes upward from the bottom, and is formed so that the horizontal cross-sectional area becomes smaller at the same ratio as it goes toward the end.

8. In paragraph 6, A golf putter in which the address marker protrudes upward from the bottom end, and the horizontal cross-sectional area increases at the same ratio as it goes toward the end, and the end end has the same area as the bottom end.

9. In paragraph 1, The above putter header is a golf putter having a straight head striking line formed by penetrating the engraved hole in the center of the upper surface.

10. In paragraph 9, A golf putter in which the extension plate of the putter header has at least two stepped portions formed therein, and a straight plate striking line formed on the stepped portions and positioned on the same line as the head striking line.

Citation Information

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