JP2008307100A - Golf putter assembly set - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a golf putter assembly set capable of further improving the sense of hitting when putting, further strengthening the fixture between a shaft and a head body, simplifying the structure of a shaft attaching member, and reducing the cost. <P>SOLUTION: The shaft attaching member 1 includes a fixed shaft 2 and a shaft insertion shaft 3. The shaft insertion shaft 3 is connected and fixed to the fixed shaft in such a way that the angle to the fixed shaft 2 is (θ+90°) when the lie angle is θ. The shaft attaching member 1 having the lie angle suitable for the user is selected, and an adhesive is applied to the outer surface of the shaft insertion shaft 3 and the inner surface of the inner hollow of the shaft 5, and after that, the shaft insertion shaft 3 is inserted into the inner hollow of the shaft 5. In this way, the shaft insertion shaft 3 and the shaft 5 are connected and fixed to each other. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a golf putter assembly set capable of adjusting a lie angle.

  Conventionally, golf putters capable of adjusting the lie angle of a shaft are widely known.

  For example, as shown in FIG. 8, a golf putter assembly set 80 proposed in Patent Document 1 includes a head body 82, a plurality of types of shaft attachment members 86A to 86D that can be selectively attached thereto, and a shaft. 84.

  As shown in FIG. 8, the shaft attachment members 86 </ b> A to 86 </ b> D have fixed shafts 88 </ b> A to 88 </ b> D that can be inserted into the hosel hole 82 </ b> B of the head main body 82 and fixed on one end side, and the head main body on the other end side. Shaft insertion holes 90 </ b> A to 90 </ b> D that are inclined at a predetermined angle with respect to the sole surface 82 </ b> A of the head main body 82 after being fixed to 82 and can be fixed by inserting the shaft 84 are provided.

  The shaft insertion holes 90 </ b> A to 90 </ b> D in the plurality of shaft attachment members 86 </ b> A to 86 </ b> D are inclined at different angles with respect to the head main body 82, and the axis passes through the vicinity of the sweet spot on the face surface of the head main body 82. As described above, the fixed shafts 88 </ b> A to 88 </ b> D have their horizontal positions adjusted, and the lie angle can be changed without changing the positional relationship between the shaft center of the shaft 84 and the sweet spot of the head body 82.

  FIG. 9 is a perspective view of the vicinity of the head of a golf putter assembled using the golf putter assembly set 80. The shaft 84 is inserted into the shaft insertion hole 90 of the shaft attachment member 86 and connected and fixed, and a fixed shaft (not shown) of the shaft attachment member 86 is connected and fixed to the head body 82.

JP 2006-444 A

  However, even in the golf putter using the golf putter assembly set described in Patent Document 1, further improvement in the hit feeling at the time of putting is required. Further, there is a demand for further strengthening the fixing between the shaft and the head body.

  Furthermore, in the golf putter assembly set described in Patent Document 1, it is necessary to prepare a plurality of types of shaft mounting members having a complicated structure having a fixed shaft at one end and a shaft insertion hole at the other end, which increases costs. There is also a problem.

  Therefore, the present invention can further improve the feel at impact when putting, and can further strengthen the fixation between the shaft and the head body, simplify the structure of the shaft mounting member, and reduce the cost. It is an object to provide a golf putter assembly set capable of

  As a result of earnest research and development to solve the above problems, the present inventor simplified the structure with one end and the other end of the shaft mounting member as an axial shape, and inserted the shaft into the shaft insertion hole of the shaft mounting member. On the contrary, it has been found that it is effective to connect and fix the shaft by inserting the shaft of the shaft mounting member into the hollow hole of the shaft.

  The present invention has been completed based on such findings. That is, the said subject is achieved by the following examples.

  (1) A shaft having a hollow hole in the axial direction at least at the head side end, a head main body having a substantially cylindrical hosel hole formed leaving the bottom wall from the top surface toward the bottom surface, and a plurality of shaft mounting members And the shaft mounting member is inserted at one end side into the hosel hole having the same length as or a little longer than the length reaching the deepest part of the hosel hole. Thus, a substantially cylindrical or substantially columnar fixed shaft that can be connected and fixed to the head main body is provided, and the other end side is connected and fixed to the head main body by inserting the fixed shaft into the hosel hole. A substantially cylindrical or substantially columnar shaft insertion shaft connected and fixed to the fixed shaft so as to be inclined at a predetermined angle with respect to the sole surface of the head body, the shaft insertion shaft being The shaft mounting member can be connected and fixed to the shaft by being inserted into the air hole, and the shaft mounting member has an axis line of the shaft insertion shaft when the fixed shaft is inserted into the hosel hole and connected and fixed to the head body. A golf putter assembly set comprising a plurality of different angles formed by an extension line of the head and a sole surface of the head body.

  (2) A screw counterbore provided on a sole surface below the hosel hole in the head main body, and a part or all of the screw part at the tip penetrating the bottom wall. The fixed shaft is formed with a female screw portion in the axial direction on the end portion side to be inserted into the hosel hole, and the male screw is screwed to the female screw portion. The golf putter assembly set according to (1), wherein the fixed shaft is connected and fixed to the head body.

  (3) A shaft having a hollow hole in the axial direction at least at the head side end, a head body having a substantially cylindrical hosel hole penetrating from the top surface to the bottom surface, and a plurality of shaft mounting members. The shaft mounting member has a length equal to or slightly longer than the length from the top surface to the bottom surface of the head body on one end side, and is inserted into the hosel hole so that the shaft mounting member is inserted into the hosel hole. A substantially cylindrical or substantially columnar fixed shaft that can be connected and fixed to the head main body is provided, and the other end of the fixed shaft is inserted into the hosel hole and fixed to the head main body. A substantially cylindrical or substantially columnar shaft insertion shaft connected and fixed to the fixed shaft so as to be inclined at a predetermined angle with respect to the sole surface of the shaft, and the shaft insertion shaft is inserted into a hollow hole of the shaft. The shaft mounting member can be connected and fixed to the shaft, and when the shaft is inserted and fixed to the head body by inserting the fixed shaft into the hosel hole, A golf putter assembly set comprising a plurality of types having different angles with the sole surface of the head body.

  (4) a stepped portion provided around the hosel hole on the sole surface of the head body, a male screw in which a head is disposed at the stepped portion, and the entire screw portion of the tip enters the hosel hole; The fixed shaft is formed with an internal thread portion in the axial direction on the end portion side to be inserted into the hosel hole, and the fixed shaft is attached to the head body by screwing the external thread into the internal thread portion. The golf putter assembly set according to (3), wherein the golf putter assembly set is characterized by being connected and fixed.

  (5) The outer diameter of the fixed shaft and the outer diameter of the shaft insertion shaft are constant, and the outer diameter of the shaft insertion shaft is smaller than the outer diameter of the fixed shaft (1) The golf putter assembly set according to any one of (4) to (4).

  (6) The golf putter assembly set according to (5), wherein the outer diameter of the fixed shaft is substantially equal to the outer diameter of the end surface on the head side of the shaft.

  (7) The fixed shaft is substantially the same diameter as the outer diameter of the hosel hole, the insertion portion inserted into the hosel hole, and the insertion portion is continuous with the shaft insertion shaft side, and the outer diameter is The golf putter assembly set according to any one of (1) to (4), wherein the golf putter assembly set includes a large-diameter portion larger than an outer diameter of the hosel hole.

  (8) The connecting portion between the fixed shaft and the shaft insertion shaft is plastically deformed so that an angle formed between the fixed shaft and the shaft insertion shaft can be adjusted within a range of ± 3 °. The golf putter assembly set according to any one of (1) to (7).

  (9) The golf putter assembly set according to any one of (1) to (8), wherein the shaft mounting member is made of ultra-duralumin.

  In the golf putter assembly set according to the present invention, the shaft and the shaft mounting member are connected and fixed by inserting the shaft insertion shaft of the shaft mounting member into the hollow hole of the shaft, and the shaft of the shaft mounting member is fixed. By being inserted into the hosel hole of the head main body, the head main body and the shaft mounting member are connected and fixed, whereby the shaft is mounted on the head main body.By using the golf putter shaft mounting member according to the present invention, The hit feeling at the time of putting is improved and the fixing between the shaft and the head body is further strengthened.

  Moreover, since the shaft attachment member in the golf putter assembly set according to the present invention has a simplified structure with one end and the other end as shafts, the cost can be reduced.

  Hereinafter, the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a side view showing an embodiment of a shaft mounting member included in a golf putter assembly set according to the present invention, and FIG. 2 shows a shaft mounting member included in a golf putter assembly set according to the present invention. It is a side view which shows one Embodiment attached to the head main body contained in the golf putter assembly set which concerns on.

  The shaft mounting member 1 includes a fixed shaft 2 and a shaft insertion shaft 3. The shaft insertion shaft 3 has an angle formed with the fixed shaft 2 (θ + 90 °) when the golf putter lie angle is θ. The fixed shaft 2 is connected and fixed to. The hosel hole 4B of the head main body 4 is formed leaving a bottom wall from the top surface to the bottom surface of the head main body 4, and the direction is a vertical direction. The lie angle θ is an angle formed between the sole surface 4 </ b> A and the axis L of the shaft 5. The outer diameters of the fixed shaft 2 and the shaft insertion shaft 3 are constant. The fixed shaft 2 is inserted into the hosel hole 4B of the head body 4 and fixed. The shaft insertion shaft 3 is inserted into the inner hole of the shaft 5, and the shaft insertion shaft 3 and the shaft 5 are connected and fixed.

  The fixed shaft 2 and the shaft insertion shaft 3 constituting the shaft mounting member 1 may be a hollow cylindrical member or a solid columnar member, but from the viewpoint of weight reduction, a hollow cylindrical member may be used. preferable. However, it is necessary to ensure sufficient rigidity.

  The method for producing the shaft mounting member 1 is not particularly limited. For example, two members having a hollow cylindrical shape or a solid columnar shape may be connected and fixed by welding so that an angle formed is (θ + 90 °). Alternatively, a hollow cylindrical or solid columnar member may be bent so that the angle formed is (θ + 90 °).

  The outer diameter of the shaft insertion shaft 3 is preferably smaller than the outer diameter of the fixed shaft 2. This is because the difference between the outer diameter of the shaft 5 into which the shaft insertion shaft 3 is inserted and the outer diameter of the fixed shaft 2 is reduced, and the difference in the sectional moment of inertia between the shaft 5 and the fixed shaft 2 is reduced. It is considered that the difference in the moment of inertia of the cross section between the shaft 5 and the fixed shaft 2 is reduced, so that stress concentration is less likely to occur and the hit feeling at the time of putting is improved. From this point, it is more preferable that the outer diameter of the shaft 5 and the outer diameter of the fixed shaft 2 are substantially equal.

  In order to make the outer diameter of the shaft insertion shaft 3 smaller than the outer diameter of the fixed shaft 2, for example, two hollow cylindrical or solid columnar members having different outer diameters are welded to increase the outer diameter. The fixed shaft 2 may be used as the shaft and the shaft insertion shaft 3 may be used as the shaft having the smaller outer diameter, or a hollow cylindrical or solid columnar member may be bent to form an angle (θ + 90 °). After doing so, the outer diameter may be reduced by cutting the side to be the shaft insertion shaft 3.

  A method for connecting and fixing the shaft insertion shaft 3 and the shaft 5 is not particularly limited. For example, after an adhesive is applied to the outer surface of the shaft insertion shaft 3 and the inner surface of the inner hole of the shaft 5, the shaft insertion shaft 3 is attached to the shaft 5. The shaft insertion shaft 3 and the shaft 5 can be connected and fixed by being inserted into the inner holes. As the adhesive, for example, an epoxy adhesive can be used.

  The method of connecting and fixing the fixed shaft 2 and the head main body 4 is not particularly limited. For example, after applying an adhesive to the outer surface of the fixed shaft 2 and the inner surface of the hosel hole 4B of the head main body 4, the fixed shaft 2 is connected to the hosel hole 4B. The fixed shaft 2 and the head main body 4 can be connected and fixed by being inserted into the head. As the adhesive, for example, an epoxy adhesive can be used.

  Further, as shown in FIG. 3, a screw counterbore is provided on the sole surface 4A below the hosel hole 4B having a bottom wall, and a male screw 6 is arranged on the screw counterbore so that they can be screwed together. May be. Specifically, a part or the whole of the screw portion 6A of the male screw 6 passes through the bottom wall and enters the hosel hole 4B, and the female screw is axially formed on the end side to be inserted into the hosel hole 4B of the fixed shaft 2. The fixing shaft 2 may be connected and fixed to the head body 4 by forming a portion and screwing the female screw with the male screw 6. In this case, even after the shaft attachment member 1 is once attached to the head main body 4, the shaft attachment member 1 can be easily removed from the head main body 4 by removing the male screw 6, and the shaft attachment with different lie angles can be achieved. By changing to the member 1, the lie angle can be easily changed.

  If the surface of the screw head 6B of the male screw 6 is lower than the sole surface 4A, the screw head 6B may be caught on the ground at the time of putting, and it may not be possible to smoothly hit the ball. The surface is preferably at the same level as the sole surface 4A or above the sole surface 4A.

  Further, the hosel hole of the head body 4 does not have a bottom wall and may be a through hole as shown in FIG. In this case, if the fixing shaft and the hosel hole are fixed with an adhesive as described above, the bonding area between the shaft 5 inserted into the hosel hole and the head main body 4 is increased, so that the shaft 5 and the head main body 4 are connected and fixed. Will become stronger. Even when the shaft and the head main body are not directly connected and fixed and the shaft is attached to the head main body via the shaft attachment member, it is assumed that the shaft and the head main body are connected and fixed.

  Furthermore, also when the hosel hole 4B is a through hole, the fixed shaft and the head body can be screwed together with a male screw. As shown in FIG. 5, on the sole surface 4A of the head body 4, a stepped portion 4D is provided around the penetrating hosel hole 4C, and a screw head 7B of a male screw 7 used for screwing is disposed on the stepped portion 4D. In addition, an internal thread portion is formed in the axial direction on the end portion side of the fixed shaft 2 that is inserted into the hosel hole 4B. The fixed shaft 2 can be connected and fixed to the head body 4 by screwing the female screw with the male screw 7.

  Further, as shown in FIG. 6, the fixed shaft 2 is connected to the insertion portion 21 to be inserted into the hosel hole of the head main body, and the insertion portion 21 on the shaft insertion shaft 3 side, and the outer diameter is outside the hosel hole. A large-diameter portion 22 larger than the diameter and a step 23 may be provided. By providing the step 23, the length of the fixed shaft 2 inserted into the hosel hole can be controlled, which is effective when the hosel hole is a through hole.

  The material of the shaft mounting member 1 and the fixed shaft 2 is preferably lightweight and high-strength, and it is preferable to use, for example, ultra super duralumin.

  Next, the entire golf putter assembly set according to the present invention will be described.

FIG. 7 shows an embodiment of a golf putter assembly set according to the present invention. In this embodiment, the shaft attachment member is formed by the extension line of the axis of the shaft insertion shaft and the sole surface 4A of the head body 4 when the fixed shaft is inserted into the hosel hole 4B and fixedly coupled to the head body 4. Plural types with different angles (lie angles) are provided. FIG. 7 shows the case where there are four types of shaft attachment members 1A to 1D (the lie angles are θ ₁ to θ ₄ ). By selecting the shaft mounting member from 1A to 1D, a golf putter having a lie angle suitable for the user can be obtained.

  Further, in the shaft mounting members 1A to 1D, the angle formed between the fixed shaft and the shaft insertion shaft can be adjusted by about ± 3 ° by plastically deforming the connecting portion between the fixed shaft and the shaft insertion shaft with a tool or human power. It is good to keep it. By doing in this way, the golf putter which has the optimal lie angle for a user can be assembled.

  In order to be able to plastically deform the connecting portion between the fixed shaft and the shaft insertion shaft with a tool or human power, the characteristics required of the material used for the fixed shaft and the shaft insertion shaft are the same even after plastic deformation. It has sufficient strength and rigidity. Further, the shaft attachment member is preferably lightweight. A material that meets these requirements is, for example, ultra-duralumin.

  Next, the effect of the golf putter assembly set according to the present invention will be described.

  As shown in FIG. 2, the shaft mounting member included in the golf putter assembly set according to the present invention has a long connecting portion because the shaft insertion shaft 3 is inserted into the hollow hole of the shaft 5. The stress is smoothly transmitted from the shaft 5 to the shaft mounting member 1 and the head body 4. For this reason, the shot feeling of the golf putter using the golf putter assembly set according to the present invention is improved.

  Moreover, since the connection part of the shaft insertion axis | shaft 3 and the shaft 5 can be taken long, fixation with the shaft 5 and the shaft attachment member 1 becomes firm. Therefore, when the golf putter assembly set according to the present invention is used, it can be said that the coupling and fixing of the shaft 5 and the head body 4 are strengthened.

  Further, when the shaft mounting member included in the golf putter assembly set according to the present invention is used, the member positioned between the shaft 5 and the head main body 4 protrudes from the upper surface of the head main body 4 of the fixed shaft 2. There is only a part. For this reason, a person using a golf putter using the golf putter assembly set according to the present invention can perform putting while feeling a sense of unity between the shaft 5 and the head body 4.

  On the other hand, in the golf putter assembly set described in Patent Document 1, as shown in FIG. 9, since the shaft 84 is inserted into the shaft insertion hole 90 and fixedly connected, the outer diameter of the connecting portion is that of the shaft 84. It is larger than the outer diameter, and the change of the cross-sectional secondary moment becomes large. For this reason, stress concentration tends to occur at the base of the connecting portion of the shaft 84, which may adversely affect the shot feeling. In addition, if the length of the shaft insertion hole 90 is increased, the range in which the shaft mounting member is disposed outside the shaft 84 is increased, and the length of the shaft 84 is substantially shortened. There is a possibility to give.

  Further, as shown in FIG. 9, since there is a certain distance between the shaft insertion hole 90 and the head main body 82, it is difficult to perform putting while feeling a sense of unity between the shaft 84 and the head main body 82. It is done.

The side view which shows one Embodiment of the shaft attachment member contained in the golf putter assembly set which concerns on this invention The side view which shows one Embodiment which attached the shaft attachment member contained in the golf putter assembly set which concerns on this invention to the head main body. The side view which shows another embodiment which attached the shaft attachment member contained in the golf putter assembly set which concerns on this invention to the head main body. The side view which shows another embodiment which attached the shaft attachment member contained in the golf putter assembly set which concerns on this invention to the head main body. The side view which shows another embodiment which attached the shaft attachment member contained in the golf putter assembly set which concerns on this invention to the head main body. The side view which shows another embodiment of the shaft attachment member contained in the golf putter assembly set which concerns on this invention Schematic which shows one Embodiment of the golf putter assembly set which concerns on this invention Schematic showing a conventional golf putter assembly set A perspective view of the vicinity of the head of a golf putter assembled using a conventional golf putter assembly set

Explanation of symbols

1,1A～1D ... shaft attachment member 2,2A～2D ... fixed shaft 3,3A～3D ... shaft insertion shaft 4 ... head body 4A ... sole surface 4B ... hosel hole 5 ... shaft L, L ₁ ~L ₄ ... Axis Center θ, θ _{1 to} θ ₄ ... Lie angle 6, 7 ... Male screw 6A, 7A ... Screw part 6B, 7B ... Screw head 7 ... Golf putter assembly set 21 ... Insert part 22 ... Large diameter part 23 ... Step 80 ... Golf putter assembled set 82 ... head body 82A ... sole surface 82B ... hosel hole 84 ... shaft 86,86A～86D ... shaft attachment member 88 a to 88 d ... fixed shaft 90,90A～90D ... shaft insertion hole L ₈₁ ~L ₈₄ ... axis α _{1 to} α ₄ ... Lie angle

Claims (9)

A shaft having a hollow hole in the axial direction at least at the head side end, a head body having a substantially cylindrical hosel hole formed leaving a bottom wall from the top surface toward the bottom surface, and a plurality of shaft mounting members. Have
The shaft mounting member has, on one end side, the same length as the length reaching the deepest part of the hosel hole, or a length slightly longer than that, and is inserted into the hosel hole, A substantially cylindrical or substantially columnar fixed shaft that can be connected and fixed is provided, and on the other end side, when the fixed shaft is inserted into the hosel hole and connected and fixed to the head main body, the sole surface of the head main body A substantially cylindrical or columnar shaft insertion shaft connected and fixed to the fixed shaft so as to be inclined at a predetermined angle with respect to the shaft, and the shaft insertion shaft is inserted into the hollow hole of the shaft. It can be connected and fixed to the shaft,
Further, the shaft mounting member has a plurality of different angles formed by an extension line of the shaft insertion shaft and a sole surface of the head body when the fixed shaft is inserted into the hosel hole and fixedly coupled to the head body. Golf putter assembly set characterized by being provided with a variety. In claim 1,
A screw counterbore provided on a sole surface below the hosel hole in the head body, and a screw counterbore disposed at a part of the screw portion at the front end through the bottom wall. A male screw entering the hosel hole, and the fixed shaft has a female screw portion formed in the axial direction on the end side to be inserted into the hosel hole, and by screwing the male screw into the female screw portion, A golf putter assembly set, wherein the fixed shaft is connected and fixed to the head body. A shaft having a hollow hole in the axial direction at least at the head side end, a head body having a substantially cylindrical hosel hole penetrating from the top surface to the bottom surface, and a plurality of shaft mounting members.
The shaft mounting member has a length that is the same as or slightly longer than the length from the top surface to the bottom surface of the head body on one end side, and is inserted into the hosel hole so that the head body A substantially cylindrical or substantially columnar fixed shaft that can be connected and fixed to the head body, and the other end side of the fixed shaft is inserted into the hosel hole and fixed to the head main body. A substantially cylindrical or substantially columnar shaft insertion shaft connected and fixed to the fixed shaft so as to be inclined at a predetermined angle with respect to the surface is provided, and the shaft insertion shaft is inserted into a hollow hole of the shaft. And can be connected and fixed to the shaft,
Further, the shaft mounting member has a plurality of different angles formed by an extension line of the shaft insertion axis and a sole surface of the head body when the fixed shaft is inserted into the hosel hole and fixedly coupled to the head body. Golf putter assembly set characterized by being provided with a variety. In claim 3,
A step surface provided around the hosel hole on the sole surface of the head main body, and a male screw having a head portion disposed on the step portion and the entire thread portion of the tip entering the hosel hole. The fixed shaft is formed with an internal thread portion in the axial direction on the end portion side to be inserted into the hosel hole, and the fixed shaft is connected and fixed to the head body by screwing the external screw into the internal thread portion. A golf putter assembly set characterized by that. In any one of Claims 1 thru | or 4,
A golf putter assembly set, wherein an outer diameter of the fixed shaft and an outer diameter of the shaft insertion shaft are constant, and an outer diameter of the shaft insertion shaft is smaller than an outer diameter of the fixed shaft. In claim 5,
The golf putter assembly set, wherein an outer diameter of the fixed shaft is substantially equal to an outer diameter of an end surface of the shaft on the head side. In any one of Claims 1 thru | or 4,
The fixed shaft is substantially the same diameter as the outer diameter of the hosel hole, an insertion portion inserted into the hosel hole, and the insertion portion is connected to the shaft insertion shaft side, and the outer diameter is the same as the hosel hole. A golf putter assembly set comprising a large-diameter portion larger than an outer diameter. In any one of Claims 1 thru | or 7,
A golf putter characterized in that an angle formed between the fixed shaft and the shaft insertion shaft can be adjusted within a range of ± 3 ° by plastically deforming a connecting portion between the fixed shaft and the shaft insertion shaft. Assembly set. In any one of Claims 1 thru | or 8.
The golf putter assembly set, wherein the shaft mounting member is made of ultra-duralumin.

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