JP3144242U - Golf putter - Google Patents

Abstract

Provided is a golf putter that can adjust the position of the center of gravity of a head in a wide range and has good usability.
In a golf putter having a head at one end of a shaft and a grip at the other end, the head is detachably attached to a face portion having a connecting portion connected to the shaft and a ball striking surface, and a back surface side of the face portion. And a plurality of head rear portions that are selectively mounted. The plurality of head rear portions are set such that some or all of the specification items including the depth of the center of gravity, the height of the center of gravity, the moment of inertia, and the shape are different from each other. The head rear portion has a length dimension in the toe / heel direction that is the same as the length dimension in the toe / heel direction of the face portion, and the thickness dimension in the head front / rear direction perpendicular to this is greater in the head rear portion. It is set larger than the face part.
[Selection] Figure 1

Description

  The present invention relates to a golf putter used in a golf competition.

  Golf putting is a play in which a player mainly hits a ball placed on the green with a putter toward the cup (hole), and has an accurate distance and direction on the green with various grass and slopes. In order to obtain, a delicate touch is required during the stroke.

  Therefore, a structure in which a small weight component is added to the putter head as shown in FIG. 11 has been conventionally proposed. That is, a plurality of screw holes 72 are provided in the periphery and neck of the putter head 71, and the user can A structure has been proposed in which a heavy bolt or light bolt 73 is selectively screwed into the screw hole 72 so that the position of the center of gravity and the weight of the head portion can be adjusted in the front-rear, left-right, and vertical directions (see Patent Document 1). .

  However, in this prior art, the center of gravity position and weight of the head 71 are adjusted by screwing the bolt 73, which is absolutely small and light, whether heavy or light, and therefore the adjustable range. However, there is a disadvantage that it is limited to a very narrow range.

JP 2001-137400 A

  In view of the above, the present invention has an object to provide a golf putter that can adjust the position of the center of gravity of the head and the like in a relatively wide range.

  In order to achieve the above object, a golf putter according to claim 1 of the present invention is a golf putter having a head at one end of a shaft and a grip at the other end, wherein the head is connected to the shaft. And a face portion having a ball striking surface, and a plurality of head rear portions that are detachably and selectively mounted on the back side of the face portion, and the plurality of head rear portions have a center of gravity depth, a center of gravity height, and inertia. A part or all of the specification items including the moment and the shape are set to be different from each other.

  The golf putter according to claim 2 of the present invention is the golf putter according to claim 1 described above, wherein the plurality of head rear portions each have a toe-heel direction length dimension in the toe-heel direction. It is set to be the same as the length dimension in the direction, and the thickness dimension in the front-rear direction of the head orthogonal to this is set larger in the rear part of the head than in the face part.

  The golf putter according to claim 3 of the present invention is the golf putter according to claim 1 or 2, wherein the back surface of the face portion detachably connecting the head rear portion is a plane parallel to the ball striking surface. A plurality of convex portions for connection positioning are provided on the plane, and concave portions corresponding to the convex portions are respectively provided in the rear portion of the head.

  A golf putter according to claim 4 of the present invention is the golf putter according to any one of claims 1 to 3, wherein the face portion and the plurality of head rear portions are detachably connected by screws. It is characterized by this.

  A golf putter according to a fifth aspect of the present invention is the golf putter according to any one of the first to fourth aspects, wherein a structure is provided in which small weight parts are respectively added to the plurality of head rear portions. It is characterized by being.

  Furthermore, a golf putter according to claim 6 of the present invention is the golf putter according to any one of claims 1 to 5, wherein a plurality of head rear portions are stored together in a storage case attached to a caddy back. It is characterized by being stored and transported.

  In the golf putter of the present invention having the above-described configuration, the head, which is a component thereof, includes a connecting portion connected to the shaft and a head portion in the front-rear direction (having the ball striking surface as the front surface) provided with a ball striking surface; It is divided into a head rear part in the latter half of the head longitudinal direction that is detachably mounted on the back side of the face part, and a plurality of head rear parts are provided. The plurality of head rear parts are the depth of center of gravity, height of center of gravity, moment of inertia. Or / and the shape is set to be different from each other. The user selects a part to be used this time from a plurality of rear parts of the head, assembles it to the face part, and starts playing. Since the face portion is attached in advance to one end of a shaft provided with a grip at the other end, it is always used together with the shaft and the grip. Therefore, as described above, the head is largely divided into two parts in the front and rear, and the center of gravity depth is adjusted by exchanging one of them, so that it is wider than the case where small weight parts are added. It is possible to adjust the center of gravity depth.

  As an example, each of the head rear portions has a length dimension in the toe / heel direction that is the same as the length dimension in the toe / heel direction of the face portion, and the thickness dimension in the front / rear direction of the head orthogonal to this. The head rear portion is set larger than the face portion. Therefore, the rear part of the head is a much larger part than the small weight part.

  In addition, the structure in which the rear portion of the head, which is a large component, is detachably connected to the face portion. The back surface of the face portion is a plane parallel to the ball striking surface, and a projection for connecting and positioning is provided on this plane. A plurality of concave portions corresponding to the convex portions are provided in the head rear portion. Further, the face portion and the head rear portion are detachably connected by screws. With such a structure, it is possible to connect both parts by a simple procedure in which the rear portion of the head is applied to the plane of the back surface of the face portion, the positions are adjusted by the convex portions and the concave portions, and the screws are tightened.

  You may make it finely adjust a gravity center position, a weight, etc. by adding a small weight component to the head rear part.

  In addition, since a plurality of head rear portions are provided and selectively used, it is necessary to devise handling such as storage and transportation in order to prevent the dissipation. Therefore, in the present invention, a plurality of head rear portions are stored together in a storage case attached to a caddy back, thereby preventing dissipation and the like.

  As described above, according to the present invention, the head is largely divided into two front and rear, and the center of gravity depth is adjusted by exchanging the rear part of one of the heads. Can be adjusted. In addition, the face portion and the head rear portion can be connected by a simple procedure, the position of the center of gravity, the weight, etc. can be finely adjusted, and convenience such as storage and transportation can be provided.

The present invention includes the following embodiments.
(1) The present invention relates to a golf putter, and more particularly to a golf putter in which the shape of the head can be changed, such as various turf and inclination, the condition and mood of the putter user of the day, etc. It is an object to be able to cope with the change in the above by changing the shape before the round with one putter.
(2) In order to solve the above problem, in a golf putter having a head at one end of the shaft and a grip at the other end, the head has a part with a shaft and a face surface and a back part with a special tool. The structure shall be removable.
(3) The face, shaft and grip are the same parts, and the back shape connected to the face portion can be changed. The parts to be replaced should have different characteristics, and the parts should have different depths of center of gravity, height of center of gravity, moment of inertia, and shape.
(3) In contrast to the face material that places emphasis on feel, a lightweight material can be used to create a shape that allows weight design.
(4) The screw to be attached shall have a structure (such as hexalobular) that can be replaced with a special tool that cannot be easily removed.
(5) According to the above configuration, by changing parts with different characteristics, the green state of the day with the same face (hitting feeling), shaft (stroke feeling), grip (feeling) as usual. Can be easily exchanged before the round in a mood.

  Next, embodiments of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the golf putter according to this embodiment has a head 2 at one end of a shaft 1 and a grip (not shown) at the other end of the shaft 1. Is a face portion 3 having a connecting portion 4 and a ball striking surface 5 connected to the shaft 1, and a plurality (three in the figure) of head rear portions that are detachably and selectively mounted on the back side of the face portion 3. 11, 21, 31, and the latter plurality of head rear portions 11, 21, 31 are set so that some or all of the specification items consisting of depth of gravity, height of gravity, moment of inertia and shape are different from each other. Has been. As the connecting portion 4, an over hosel type having a middle shaft is shown in FIG. 2 and the subsequent drawings, but an inner hosel type having an outer cylinder may be used.

  Of the plurality of head rear portions 11, 21, 31, the first head rear portion 11 has the shape shown in FIGS. 2 and 3 and is designed based on the following concept.

  In other words, this model has a shallow depth of gravity and emphasizes operability and feeling. Ideal when you want a delicate touch with quick green or difficult undulation. The sweet spot is expanded by the weight distributed to the toe heel.

The depth of the center of gravity of the first head rear portion 11 is set to 11.5 mm (or 11 mm), and the moment of inertia is set to 3500 cm ² -g (or 3600 cm ² -g).

  Of the plurality of head rear portions 11, 21, 31, the second head rear portion 21 has the shape shown in FIGS. 4 and 5 and is designed based on the following concept.

  In other words, there is a sense of security due to the ease of being prepared by the mallet type. The weight design is also distributed to the toe and heel while achieving a deep center of gravity. It is easy to address without becoming nervous in the form of a curved image.

The depth of the center of gravity of the second head rear portion 21 is set to 15 mm (or 14 mm), and the moment of inertia is set to 3900 cm ² -g (or 4000 cm ² -g).

  Of the plurality of head rear portions 11, 21, 31, the third head rear portion 31 has the shape shown in FIGS. 6 and 7 and is designed based on the following concept.

  In other words, the depth of the center of gravity is deep and the design is good for rolling. Ideal for slow greens and long putts. T-shaped shape visually improves directionality, supports smooth strokes, and stable directionality. It has a high moment of inertia and is resistant to miss hits.

The depth of center of gravity of the third head rear portion 31 is set to 16 mm (or 15.5 mm), and the moment of inertia is set to 4200 cm ² -g (or 4400 cm ² -g).

As matters common to the first to third head rear portions 11, 21, 31, these head rear portions 11, 21, 31 have length dimensions L ₁ , L ₂ , L in the toe-heel direction, respectively. ₃ is set to be the same as the length L ₀ of the face portion 3 in the toe-heel direction, and the thickness dimensions W ₁ , W of the head rear portions 11, 21, 31 are the thickness dimensions in the head front-rear direction orthogonal to this. ₂ and W ₃ are set to be larger than the thickness dimension W ₀ of the face portion 3. Regarding the head height dimension orthogonal to both directions, the height dimension of the head rear portions 11, 21, 31 is set to be substantially the same as the height dimension of the face portion 3. Therefore, the putter according to this embodiment is not to add a small weight component to the head 2 as in the prior art, but to replace a large component, so that the center of gravity of the head 2 is relatively wide. The position etc. can be adjusted.

  Further, the back surface 6 of the face portion 3 detachably connecting the head rear portions 11, 21, 31 is a plane parallel to the ball striking surface 5, and a plurality of connection positioning projections 7 are formed on this plane (2 in the figure). And concave portions (not shown) corresponding to the convex portions 7 are provided in the head rear portions 11, 21, and 31, respectively.

  The face portion 3 and the head rear portions 11, 21, 31 are structured to be detachably connected by a plurality (two in the figure) of screws 41. For this reason, the head rear portions 11, 21, 31 have through holes respectively. 12, 22, and 32 are provided, and a screw hole 8 is provided in the face portion 3 at the convex portion 7.

  Each of the head rear portions 11, 21, 31 is provided with a structure in which a plurality (two in the figure) of small weight parts 42 are detachably added. The mounting holes 13, 23, and 33 for mounting the weight component 42 are provided. The material of the weight component 42 is tungsten.

  Further, as shown in FIG. 8, the first to third head rear portions 11, 21 and 31 are provided with a spare screw 41 and a screwdriver (not shown) in a storage case 43 attached to the outside of a caddy back (not shown). It is housed together with a driver 44 and is stored and transported together. The case 43 is suspended from the caddy bag by a hook 45, and has a structure in which an interior body 46 having an accommodation recess having a shape corresponding to each accommodation item is accommodated in an exterior body 47 with an opening / closing lid 48. It is said that.

  According to the golf putter having the above-described configuration, the head 2 is largely divided into two parts in the front-rear direction, and the center-of-gravity depth is adjusted in a wide range in order to adjust the center-of-gravity depth by exchanging one of the head rear portions 11, 21, 31. Etc. can be adjusted. Further, the face portion 3 and the head rear portions 11, 21, 31 can be connected by a simple procedure including screwing, and the position of the center of gravity, the weight, and the like can be finely adjusted by the small weight component 42. Further, by having the dedicated storage case 43, it is possible to provide convenience in handling such as storage and transportation.

Note that the rear portion of the head is not limited to the above-described portion, and for example, the portion shown in FIG. 9 or FIG. 10 may be used. The center of gravity depth of the fourth head rear portion 51 shown in FIG. 9 is set to 16 mm (or 13.5 mm), and the moment of inertia is set to 4100 cm ² -g (or 4300 cm ² -g). Further, the depth of the center of gravity of the fifth head rear portion 61 shown in FIG. 10 is set to 15 mm (or 14 mm), and the moment of inertia is set to 4300 cm ² -g (or 4400 cm ² -g).

The principal part perspective view of the golf putter which concerns on the Example of this invention. Exploded perspective view of face part and first head rear part in the putter Top view of the face portion and the first head rear portion An exploded perspective view of the face portion and the rear portion of the second head in the putter Plan view of the face portion and the second head rear portion Exploded perspective view of face part and third head rear part in the putter Plan view of the face portion and the third head rear portion Perspective view of storage case Plan view of the rear part of the fourth head Plan view of the rear part of the fifth head Explanatory drawing of the golf putter according to the conventional example

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shaft 2 Head 3 Face part 4 Connection part 5 Hitting surface 6 Back surface 7 Convex part 8 Screw hole 11, 21, 31, 51, 61 Head rear part 12, 22, 32 Through-hole 13, 23, 33 Mounting hole 41 Screw 42 Weight parts 43 Storage case 44 Screwdriver jig 45 Hook 46 Interior body 47 Exterior body 48 Opening and closing lid

Claims (6)

In a golf putter having a head at one end of the shaft and a grip at the other end,
The head has a face portion including a connecting portion connected to the shaft and a ball striking surface, and a plurality of head rear portions that are detachably and selectively attached to the back side of the face portion,
The golf putter, wherein the plurality of head rear portions are set such that some or all of specification items including a depth of center of gravity, a height of center of gravity, a moment of inertia, and a shape are different from each other. The golf putter according to claim 1,
Each of the plurality of head rear portions has the same length dimension in the toe / heel direction of the face portion as the length dimension in the toe / heel direction of the face portion, and the thickness dimension in the head front / rear direction perpendicular to the head portion is equal to that of the head rear portion. A golf putter characterized in that it is set larger than the face portion. The golf putter according to claim 1 or 2,
The back surface of the face portion that detachably connects the head rear portion is a plane parallel to the ball striking surface, and a plurality of projections for connection positioning are provided on the plane, and the concave portion corresponding to the convex portion is the head rear portion. Each golf putter is provided with a golf putter. The golf putter according to any one of claims 1 to 3,
A golf putter characterized in that the face portion and the plurality of head rear portions are detachably connected by screws. The golf putter according to any one of claims 1 to 4,
A golf putter characterized in that a structure for adding a small weight component is provided at each of the plurality of head rear portions. The golf putter according to any one of claims 1 to 5,
A golf putter characterized in that a plurality of head rear portions are stored and transported by being stored together in a storage case attached to a caddy back.

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