JP3172497U - Golf club, club shaft attachment and cover therefor - Google Patents

Abstract

A cylindrical member is externally covered and covered on a shaft mounting sleeve that is fitted and inserted into a hosel part. The appearance is good, the versatility is high, and the cylindrical member can be easily removed. Provide a reusable club shaft fixture and cover.
An insertion portion 8a for inserting a shaft 2 that is inclined with respect to the axis of the hosel portion 6 is formed on a shaft mounting sleeve 8 that is fitted and fixed to the hosel portion 6 of the head 3. In the golf club shaft fixture cover in which the outer periphery of the shaft mounting sleeve 8 is covered with the cylindrical member 9 in a state where the shaft 2 is inserted and fixed to the portion 8a, the shaft mounting sleeve 8 is removed from the hosel portion 6. The cylindrical member 9 that is bonded and fixed to the exposed portion is formed of a material that has heat resistance and maintains a shape against heating for releasing the bonding and fixing.
[Selection] Figure 4

Description

  The present invention relates to a golf club, a golf club shaft fixture, and a cover for a golf club shaft fixture.

  When inserting the shaft mounting sleeve into the hosel part by forming the shaft mounting sleeve inclined with respect to the axis of the hosel part on the shaft mounting sleeve fixedly fitted and inserted into the hosel part of the head. The head mounting angle relative to the shaft is changed by adjusting the position by rotating the shaft mounting sleeve around the axis, thereby adjusting the lie angle, face angle, loft angle, etc. (head angle) A golf club shaft fixture shown in Patent Document 1 for performing adjustment is known.

  Also, as similar to this, when fixing to the hosel part, the shaft mounting sleeve is set to be long enough to be exposed to the outside from the hosel part, and the shaft mounting sleeve is inserted. The golf club shaft fixture shown in Patent Document 2 in which the shaft mounting strength is improved by inserting the shaft into the portion is also known, but this golf club shaft fixture is provided from the hosel portion of the shaft mounting sleeve. The externally exposed part is easily scratched and has the disadvantage that the appearance is also deteriorated.

  And as a thing which improves this fault, the golf club shaft attachment cover shown in patent document 3 which covers the outer periphery of this shaft attachment sleeve with a cylindrical member in the state which inserted and fixed the shaft in the insertion part. It is publicly known.

Japanese Patent Laid-Open No. 9-164227 Japanese Utility Model Publication No. 5-5160 Japanese Patent Laying-Open No. 2011-62424 (FIG. 7)

According to the golf club shaft fixture cover shown in Patent Document 3, the exposed portion from the hosel portion of the shaft mounting sleeve is covered and protected by the cylindrical member, so that it is difficult to be damaged and the appearance is well maintained. In addition, since the cylindrical member is detachably attached and fixed to the exposed portion from the hosel portion of the shaft mounting sleeve by screw engagement, the cylindrical member can be easily detached, and the removed cylindrical member Can also be reused.
However, as described above, since the cylindrical member is fixed to the shaft mounting sleeve by screw engagement, the cylindrical member becomes a dedicated product for the shaft mounting sleeve, and thus the shaft mounting sleeve The cylindrical member that is sheathed is inserted with the outer periphery of the lower end portion screwed to the hosel portion, and the cylindrical member is fixed to the hosel portion by screwing. Will also be a dedicated product. For this reason, versatility is low and a manufacturing cost also becomes high.

  In the present invention, an insertion portion for inserting a shaft that is inclined with respect to the axis of the hosel portion is formed on a shaft mounting sleeve that is fitted and fixed to the hosel portion of the head, and the outer periphery of the shaft mounting sleeve is formed. Covers and protects with a cylindrical member, and maintains a good appearance. The cylindrical member has high versatility, and it is easy to remove the cylindrical member from the shaft mounting sleeve. An object is to make the cylindrical member available again.

  In order to solve the above-mentioned problem, first, the shaft 2 is inserted into the shaft mounting sleeve 8 that is fitted and fixed to the hosel portion 6 of the head 3 and is inclined with respect to the axis of the hosel portion 6. In a golf club shaft fixture cover in which the outer periphery of the shaft mounting sleeve 8 is covered with the tubular member 9 in a state where the portion 8a is formed and the shaft 2 is inserted and fixed in the insertion portion 8a, the shaft mounting sleeve The cylindrical member 9 that is bonded and fixed to the exposed portion from the hosel portion 6 of 8 is made of a material that has heat resistance and maintains its shape against heating for releasing the bonding and fixing. It is said.

  Second, the cylindrical member 9 is formed of a metal material.

  Third, the cylindrical member 9 is formed of an aluminum material or a stainless material.

  Fourth, the cylindrical member 9 is characterized by being formed into a truncated cone shape whose diameter gradually increases toward the head 3 side.

  Fifth, the cross-sectional shape of the end portion of the cylindrical member 9 on the head 3 side is formed into a shape along the cross-sectional shape of the tip portion of the hosel portion 6.

  Sixth, the golf club shaft mounting cover 9 and the shaft mounting sleeve 8 are provided.

  Seventh, the locking portion 17 is formed by molding a portion of the shaft mounting sleeve 8 that is positioned on the tip side of the hosel portion 6 so as to have a diameter larger than the inner diameter of the hosel portion 6 at the time of fixing. It is characterized by that.

  Eighth, the outer diameter of the locking portion 17 is matched or substantially matched with the outer diameter of the front end side of the hosel portion 6, and the outer diameter of the end portion on the head 3 side of the cylindrical member 9 is set to the outer diameter of the locking portion 17. It is characterized by matching or substantially matching.

  Ninth, the angle of the head 3 can be adjusted by changing the mounting position around the shaft when the golf club shaft mounting tool 7 is provided and the shaft mounting sleeve 8 is fitted and inserted into the hosel part 6 and fixed. It is characterized by doing.

  Tenth, the shaft mounting sleeve 8 is bolted on the bottom side of the hosel portion 6.

  The cylindrical member that is bonded and fixed to the exposed portion from the hosel portion of the shaft mounting sleeve is made of a material that has heat resistance and maintains its shape against heating for releasing the bonding and fixing, The cylindrical member that covers and protects the outer periphery of the shaft mounting sleeve and maintains a good appearance is adhesively fixed to the exposed portion from the hosel portion of the shaft mounting sleeve, so there is no need to prepare a dedicated product. In addition to high versatility, the cylindrical member can be easily removed from the shaft mounting sleeve in a reusable state by heating.

  Further, if the cylindrical member is formed into a truncated cone shape whose diameter gradually increases toward the head side, the outer periphery of the cylindrical member connects the outer periphery of the hosel part and the outer periphery of the shaft more smoothly, and the appearance is improved. Holds well.

  Further, if the cross-sectional shape of the end portion on the head side of the cylindrical member is formed into a shape along the cross-sectional shape of the tip portion of the hosel portion, the outer periphery of the hosel portion and the outer periphery of the shaft are connected more smoothly.

It is a principal part front view of the wood to which this invention is applied. It is a top view of the head part of the wood shown in FIG. It is a side view of the head part of the wood shown in FIG. It is a principal part exploded front view which shows the structure of a shaft fixture. It is a principal part front view which shows the structure of a shaft fixture. (A) is a side view of a sleeve, (B) is a BB sectional view of (A). (A) is a side view of the positioning cylinder, and (B) is a plan view of the positioning cylinder. It is a plane sectional view showing the state where the positioning shaft of the sleeve is inserted into the positioning cylinder. (A) is a side view of a cylindrical member, (B) is a top view of a cylindrical member.

FIG. 1 is a front view of an essential part of a wood to which the present invention is applied, and FIGS. 2 and 3 are a plan view and a side view of the head portion of the wood shown in FIG. A wood 1, which is a kind of golf club, includes a cylindrical shaft (club shaft) 2 made of metal or FRP and extending linearly, and a head (club head) 3 attached to the tip (lower end) of the shaft 2. And a resin grip (not shown) formed at the base end portion of the shaft 2.
The present invention is not limited to the wood 1 among golf clubs, and can be applied to irons and the like.

A face 4 having a hitting surface for hitting a golf ball is formed on the front surface of the head 3.
A pipe-shaped hosel (hosel portion) 6 that projects obliquely upward along the direction of the shaft 2 is integrally formed on the inner side (side closer to the player) of the head 3. The hosel portion 6 constitutes an insertion hole (insertion portion) 6a (see FIG. 4) whose upper end is an open end by the inner peripheral surface thereof.

  The head 3 is attached to the shaft 2 by inserting and fixing the lower end portion (tip portion) of the shaft 2 into the insertion hole 6a via the shaft attachment (golf club shaft attachment) 7. By attaching the shaft 2 to the head 3, the lie angle α, the face angle β, and the loft angle γ of the wood 1 are determined (see FIGS. 1 to 3).

  FIG. 4 is an exploded front view of the main part showing the configuration of the shaft fixture, and FIG. 5 is a front view of the main part showing the configuration of the shaft fixture. The shaft attachment 7 includes a metallic sleeve (shaft attachment sleeve) 8 that is fitted and inserted into the insertion hole 6a (hosel portion 6), and a metallic cylindrical member (golf club shaft attachment) that is externally attached to the sleeve 8. A tool cover 9, a positioning cylinder 11 disposed on the bottom side of the insertion hole 6 a, and a mounting bolt 12.

  6A is a side view of the sleeve, and FIG. 6B is a cross-sectional view taken along the line BB in FIG. The sleeve 8 is formed with an insertion hole (insertion portion) 8a for inserting the shaft 2 on the inner peripheral side thereof. The insertion hole 8a has a bottom and is open at the top. The center of the insertion hole 8a The shaft is inclined by an adjustment angle θ, which is a predetermined angle, with respect to the axis of the sleeve 8 (the central axis of the outer periphery of the sleeve 8). Incidentally, the shaft 2 inserted into the insertion hole 8a of the sleeve 8 is bonded and fixed by an adhesive.

  The shaft 2 fitted and inserted into the insertion hole 8a is fixed in the same axis as the insertion hole 8a, and the sleeve 8 fitted and inserted into the insertion hole 6a of the hosel portion 6 Since it has the same axial center as the insertion hole 6a, the axial center of the shaft 2 is inclined with respect to the axial center of the hosel portion 6 by an adjustment angle θ in a predetermined direction (adjustment direction).

  This adjustment direction is changed by rotating the sleeve 8 around its own axis in the hosel portion 6. In this way, the lie angle α, the face angle β, and the loft angle γ are appropriately changed and adjusted according to the set adjustment direction and the adjustment angle θ.

  Further, the lower end portion of the sleeve 8 is constituted by a positioning shaft 13 composed of a spline shaft whose diameter is slightly reduced as compared with other portions, and a lower portion and a middle portion of the sleeve 8 are inserted portions to be inserted into the hosel portion 8. 14 and the upper portion of the sleeve 8 becomes an exposed portion 16 exposed to the outside from the hosel portion 8 at the time of insertion, and the diameter of the portion between the inserted portion 14 and the exposed portion 16 of the sleeve 8 is the other portion. On the other hand, an enlarged circular ring-shaped and hook-shaped locking portion 17 is integrally formed. Incidentally, the outer diameter of the locking portion 17 is substantially the same or the same as the outer diameter of the upper end (tip) of the hosel portion 6.

  On the outer periphery of the positioning shaft 13, teeth 13a extending in the axial direction are uniformly arranged around the shaft at equal intervals, thereby constituting a spline shaft. Further, a bolt hole 8 b opened downward is formed in the positioning shaft 13. The bolt hole 8b extends on the sleeve 8 and the axial center.

  FIG. 7A is a side view of the positioning cylinder, and FIG. 7B is a plan view of the positioning cylinder. The outer diameter of the positioning cylinder 11 is set to be substantially the same as or slightly shorter than the diameter of the insertion hole 6a so that the positioning cylinder 11 is inserted into the insertion hole 6a of the hosel portion 6 in a fitted state. On the inner periphery of the positioning cylinder 11, grooves 11 a that engage with the teeth 13 a are uniformly recessed around the axis at regular intervals. The positioning cylinder 11 is fixed to the bottom surface side of the insertion hole 6a of the hosel part 6 with an adhesive or the like. In this fixed state, the positioning cylinder 11, the sleeve 8, and the insertion hole 6a of the hosel part 6 are on the same axis. Become.

  Further, an insertion hole 6 b communicating with the lower surface side of the head 3 is formed at the center of the bottom surface of the insertion hole 6 a of the hosel part 6.

  FIG. 8 is a plan sectional view showing a state in which the positioning shaft of the sleeve is inserted into the positioning cylinder. As shown in FIGS. 4, 5, and 8, when the sleeve 8 is fitted and inserted into the insertion hole 6 a of the hosel part 6, the locking part 17 comes into contact with the front end surface of the hosel part 6, and beyond that In addition to being in a state where it cannot be inserted, the outer periphery of the positioning shaft 13 is inserted into the inner periphery of the positioning cylinder 11 and splined, and the center of the insertion hole 6b is positioned at the axial center of the bolt hole 8b.

  Then, from the lower surface side of the head 3, the mounting bolt 12 is inserted in the order of the insertion hole 6 b → the bolt hole 8 b and screwed, so that the lower end side of the sleeve 8 is bolted to the bottom side of the insertion hole 6 a of the hosel portion 6. Thus, the shaft 2 inserted into the insertion hole 8 a of the sleeve 8 and bonded and fixed thereto is attached and fixed to the head 3.

  Note that the spline coupling between the positioning shaft 13 and the positioning cylinder 11 determines the mounting position around the axis of the sleeve 8 in the hosel portion 6, and the combination in which the teeth 13 a of the positioning shaft 13 and the grooves 11 a of the positioning cylinder 11 are engaged with each other. Is changed to adjust the angle of the head 3 described above. Incidentally, in the illustrated example, the mounting position around the axis of the sleeve 8 can be changed in eight stages.

Next, the configuration of the cylindrical member will be described based on FIGS. 3, 4, and 9.
FIG. 9A is a side view of the cylindrical member, and FIG. 9B is a plan view of the cylindrical member. The cylindrical member 9 is formed into a cylindrical shape whose both ends are opened by aluminum or stainless steel, and this cylindrical member 9 is externally mounted on the exposed portion 16 of the sleeve 8, thereby covering the exposed portion 16 of the sleeve 8. Protect.

  Specifically, the inner peripheral surface of the cylindrical member 9 is bonded and fixed to the outer peripheral surface of the exposed portion 16 of the sleeve 8 with an adhesive 18. This adhesive 18 is a thermoplastic resin adhesive, and is configured such that the adhesive strength is reduced by heating. Incidentally, since the adhesive 18 is conventionally known and commonly used, its description is omitted.

  For this reason, when the cylindrical member 9 is heated directly or indirectly by hot air or other heat generated from a heat gun or the like, the adhesive fixing by the adhesive 18 is released. At this time, the cylindrical member 9 is made of a metal (more specifically, aluminum or stainless steel) that is a material that has heat resistance to the heating and maintains the shape. It is possible to remove the sleeve 8 from the sleeve 8 in a reusable state without damaging it.

  More specifically, the cylindrical member 9 is formed in a truncated cone shape whose diameter increases from the upper end toward the lower end (the diameter increases toward the head 3 side). The outer diameter is set to be the same as or substantially the same as the outer diameter of the locking portion 17. As described above, since the outer peripheral diameter of the hosel part 6 is the same or substantially the same as the outer peripheral diameter of the locking part 17, the cross-sectional shape of the lower end side outer periphery of the cylindrical member 9 is The cross-sectional shape of the outer periphery of the stop portion 17 and the cross-sectional shape of the outer periphery on the front end side of the hosel portion 6 are the same or substantially the same, and adjacent ones are shaped so as to conform to each other.

  And the outer periphery of the hosel part 6 and the outer periphery of the shaft 2 are continuously and smoothly connected with the cylindrical member 9 having a truncated cone shape, and the appearance is improved.

  According to the above configuration, since the cylindrical member 9 is bonded and fixed to the sleeve 8, the necessity for preparing a dedicated product for each sleeve 8 is reduced, and the versatility is improved, but the cylindrical shape is improved. Since it is easy to remove the member 9 from the sleeve 8 without damaging it, the maintenance cost can be reduced. If the sleeve 8 is provided with a color variation, a simple change in the design of the golf club 1 can be easily performed.

  By the way, when the adhesive fixing is released and the tubular member 9 is mounted on the sleeve again, the remaining residue of the adhesive 18 adhering to the outer peripheral side of the sleeve is surely scraped off, and then the mounting operation is performed. It is better to go.

2 Shaft (club shaft)
3 Head (club head)
6 Hosel (Hosel part)
7 Golf Club Shaft Fixture 8 Sleeve (Sleeve for Shaft Mounting)
8a Insertion hole (insertion part)
9 Cylindrical member (golf club shaft fitting cover)
17 Locking part

Claims (10)

  Insertion portion for inserting shaft (2) inclined with respect to shaft center of hosel portion (6) in shaft mounting sleeve (8) fixed by fitting and inserting into hosel portion (6) of head (3) Golf club shaft mounting in which (8a) is formed and the outer periphery of the shaft mounting sleeve (8) is covered with a cylindrical member (9) in a state where the shaft (2) is inserted and fixed in the insertion portion (8a) In the tool cover, the tubular member (9), which is bonded and fixed to the exposed portion from the hosel part (6) of the shaft mounting sleeve (8), is heat resistant to heating for releasing the bonding and fixing. A cover for a golf club shaft fixture constructed of a material having a shape and having a shape.   The golf club shaft attachment cover according to claim 1, wherein the cylindrical member (9) is made of a metal material.   The golf club shaft mounting cover according to claim 2, wherein the cylindrical member (9) is formed of an aluminum material or a stainless steel material.   The golf club shaft attachment cover according to any one of claims 1 to 3, wherein the cylindrical member (9) is formed into a truncated cone shape whose diameter gradually increases toward the head (3).   The golf club shaft attachment cover according to claim 4, wherein the cross-sectional shape of the end portion of the cylindrical member (9) on the head (3) side is formed into a shape along the cross-sectional shape of the tip end portion of the hosel portion (6).   A golf club shaft mounting tool comprising the golf club shaft mounting cover (9) according to any one of claims 1 to 5 and the shaft mounting sleeve (8).   When the shaft mounting sleeve (8) is fixed, a portion located on the tip side of the hosel part (6) is formed to have a larger diameter than the inner diameter on the tip side of the hosel part (6). The golf club shaft fixture according to claim 6, which comprises 17).   The outer diameter of the locking portion (17) is matched or substantially matched with the outer diameter of the front end side of the hosel portion (6), and the outer diameter of the end portion on the head (3) side of the cylindrical member (9) is set to the locking portion. The golf club shaft mounting tool according to claim 7, wherein the golf club shaft mounting tool matches or substantially matches the outer diameter of (17).   A golf club shaft fixture (7) according to any one of claims 6 to 8, wherein the shaft attachment sleeve (8) is fitted and inserted into the hosel portion (6) and fixed around the axis. A golf club that adjusts the angle of the head (3) by changing the angle.   The golf club according to claim 9, wherein the shaft mounting sleeve (8) is bolted to the bottom side of the hosel part (6).

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