JP3168807U - Golf club shaft puncher - Google Patents

Abstract

A shaft similar to a centerline-matching golf club is extracted from a centerline-mismatched golf club in which the shaft is inserted into and fixed to the hosel with the centerline of the shaft being inclined with respect to the centerline of the hosel of the head. The present invention provides a shaft remover capable of performing the following. A shaft remover for a golf club, wherein a shaft is moved away from the head in a state where an end face of a shaft insertion hole of a hosel of a head is brought into contact with a hosel contacting surface of a body of the shaft remover. By doing so, in the shaft puller that pulls out the shaft from the head, when the golf club is mounted on the shaft puller, the contact surface aligning member 18 that is mounted between the hosel contact surface and the end surface of the shaft insertion hole is removed. The end face of the shaft insertion hole of the contact surface aligning body 18 is a flat surface 18a, and the hosel contact surface side is a spherical surface 18b. [Selection diagram] FIG.

Description

  The present invention relates to a golf club shaft extractor for extracting a shaft from a golf club head.

  When replacing a golf club head or shaft, the shaft insertion hole end face of the hosel is abutted against the hosel abutment surface of the shaft puncher body as a shaft puncher that pulls the shaft from the hosel of the golf club head. A shaft puncher that pulls the shaft from the head by moving the shaft away from the head is used. (Reference 1: JP-A-9-75488, Reference 2: JP-A-7-33572)

JP-A-9-75488 Japanese Utility Model Publication No. 7-33572

Originally, the shaft of the golf club is right in the hosel as the shaft insertion fixing portion of the head, that is, as shown in FIG. 7A, the center line Oh of the hosel 2 of the head 1 and the center line Os of the shaft 3 are In many golf clubs, the shaft 3 should be inserted in a state where the shaft center line Os is inclined with respect to the center line Oh of the hosel 2 as shown in FIG. There is also a golf club in which the front end portion of the golf club is inserted and fixed to the hosel and does not match the center line. The shaft insertion hole end surface 4 of the hosel 2 forms a surface perpendicular to the hosel center line Oh.
In the golf club in which the center lines do not match shown in FIG. 7B, when the shaft 3 is pulled rightward in the drawing in order to pull out the shaft 3 from the head 1, the head 1 makes the contact portion 2 a with the stopper 5 of the hosel 2. As a fulcrum, the shaft insertion hole end face 4 swings to a position where it abuts against the stopper 5, so that the tip of the shaft is distorted.
In this way, if a shaft is pulled out of a golf club whose center line does not match, when the shaft is pulled out, the hosel part that is normally required is heated for a short period of time, and the extraction operation with the minimum amount of heat is hindered. There is a situation in which the shaft is not normally extracted due to distortion in the head insertion portion of the shaft.

In order to solve the above-mentioned problems, the present invention provides a golf club shaft puncher in which a shaft insertion hole end surface of a hosel is connected to a hosel facing surface of a head contact portion of a shaft puncher body. In a state where the shaft is moved away from the head by the shaft clamping portion in the state of being abutted against the shaft, the hosel contact surface in the state where the golf club is mounted on the shaft extractor in the shaft extractor which extracts the shaft from the head And the shaft insertion hole end surface, the contact surface alignment body, the corresponding contact surface alignment body, the shaft insertion hole end surface side is a plane, the hosel facing surface side is a spherical surface, It has a notch from the outer periphery which receives the shaft of a golf club in the center part.
According to a second aspect of the present invention, in the golf club shaft puncher according to the first aspect, the abutment surface aligning body has a width of the cut according to a thickness of the shaft to be pulled out. To do.
According to a third aspect of the present invention, in the shaft remover for a golf club according to the first aspect, the shaft holding portion is fixed to a lower portion of the frame body, and is moved up and down to face the shaft receiver. A shaft pressing body supported freely, and the shaft receiving body and the shaft pressing body each have a shaft gripping member made of resin of the same type, and the shaft gripping member has a shaft on each opposed surface of the shaft. A V-groove that is a gripping portion and a cut that bisects the shaft gripping portion are formed.

  According to the present invention, a golf club having a center line that does not coincide with the center line of the hosel while the center line of the shaft is inclined with respect to the center line of the hosel can also be pulled out in the same manner as a golf club that does not coincide with the center line. It can be performed.

It is a perspective view which shows an example of the shaft puncher of the golf club of this invention. It is a front view of a support plate and a receiving member. It is a front view of a contact surface alignment body. It is sectional drawing of a shaft clamping part. It is a perspective view of a shaft holding member. It is sectional drawing which shows the state which the head contact | abutted to the seat member of the shaft extractor via the contact surface alignment body. It is sectional drawing which shows the state which the head contact | abutted to the stopper of the conventional shaft puncher.

In FIG. 1 showing a perspective view of a golf club shaft puncher, a base 10 having a length of about 440 mm, which is installed on a table having a height suitable for operation, is provided with a head contact portion 11 along its longitudinal direction. A rail 13 that slidably supports the shaft clamping portion 12 and a gear box 14 that drives the shaft clamping portion 12 are installed in this order.
The head contact portion 11 includes a support plate 15 having a lower end fixed to the end surface of the base 10, and a receiving member 16 of a contact surface alignment body, which will be described later, fixed to the upper outer surface of the support plate 15. As shown in FIG. 2, the support plate 15 and the receiving member 16 are formed with an opening 17 for receiving a golf club shaft (hereinafter referred to as “shaft”) at the center thereof. On the outer surface of the seat member 16, there is provided a spherical recess 16a with which the spherical portion of the abutting surface alignment body abuts.

In FIG. 1, the abutting surface alignment body denoted by reference numeral 18 between the head 1 of the golf club and the seat member 16 has a flat surface 18a on the head 1 side which is the outer surface thereof, and a seat which is the inner surface thereof. The member 16 side is a spherical surface 18b (FIG. 6), and has a notch 19 from the outer peripheral edge that receives the shaft 3 at the center thereof, and an operation knob 20 for attaching and detaching the contact surface aligning body 18 to the shaft 3. .
In FIG. 3, the contact surface alignment body 18 has a diameter of about 35 mm and a thickness of about 10 mm, and the radius r of the contact portion with the shaft when dropped into the shaft is 4.25 mm depending on the thickness of the shaft to be extracted. .About.5.9 mm, and the width of the cut 19 is set to 2r.

1 and 4, the shaft clamping unit 12 includes a frame body 26 having a handle 25 for shaft clamping operation at the upper part, a shaft receiving body 27 a fixed to the lower part of the frame body 26, A shaft pressing body 27b, which is supported on the upper portion so as to be movable up and down so as to face the shaft receiving body 27a, and a screw bearing 29 into which a screw shaft 28 for driving the shaft holding portion 12 is screwed are provided.
The shaft clamping portion 12 has a frame body 26 slidably supported on a rail 13 parallel to the screw shaft rod 28, and reciprocates along the rail 13 on the base 10 by forward and reverse rotation of the screw shaft 28. To do.
The screw shaft 30 with the handle 25 fixed to the upper end is screwed and supported by a screw bearing 31 provided on the top plate of the shaft holding portion 12, and a shaft pressing body 27b is supported at the lower end via the supports 28a and 28b. Are combined.
The support bodies 28a and 28b are respectively fixed to the upper surface of the shaft pressing body 27b, and their protrusions 28c are loosely engaged with the circumferential groove 32 of the screw shaft 30, and the screw shaft 30 is moved forward and backward by the handle 25. The shaft pressing body 27 is moved up and down by rotating.

  As shown in FIG. 4, the shaft receiving body 27a and the shaft pressing body 27b are provided with the same type of urethane resin shaft gripping members 33a and 33b, respectively. As shown in FIG. 5, the shaft gripping members 33a and 33b are formed with a V-groove 35 having an opening angle of about 120 ° as a shaft gripping surface and a notch 36 that bisects the shaft gripping surface on each surface facing the shaft. ing. The shaft is formed so as to become thinner from the grip side toward the head side. However, by halving the shaft gripping surface, the shaft clamping performance at the shaft clamping portion is improved.

  In FIG. 1, the gear box 14 rotatably supports one end of a screw shaft 28 and a handle 37 that drives the screw shaft 28. The screw shaft 28 and the shaft of the handle 37 are supported in directions orthogonal to each other, and the screw shaft 28 and the handle 37 are engaged with a bevel gear 38 and a bevel gear 39 fixed to their inner ends. Then, the screw shaft 28 is rotated by operating the handle 38 to move the shaft clamping portion 12 along the rail 13.

The shaft pulling operation will be described with reference to an example of a golf club having a center line mismatch as shown in FIG.
In FIG. 1, first, the handle 25 of the shaft clamping portion 12 is turned counterclockwise to move the shaft pressing body 27b upward with respect to the shaft receiving body 27a, and the shaft is set on the shaft receiving body 27a. Is inserted into the opening 17 of the head abutting portion 11, the handle 25 is turned clockwise, the shaft pressing body 27b is moved toward the shaft receiving body 27a, and the shaft is moved to the shaft pressing body 27b and the shaft receiving body 27a. Further, the upper surface of the shaft pressing body 27b is pressed by the lower end surface of the screw shaft 30 and firmly held.
The shaft is set to the shaft clamping portion 12 with an interval that allows the contact surface alignment body 18 to be inserted between the hosel 2 and the receiving member 16.
Next, in order to mount the contact surface alignment body 18 between the hosel 2 and the receiving member 16, the operation knob 20 is picked with the notch 19 facing downward, and the contact surface alignment body 18 is placed on the shaft. Drop it.
Next, the handle 37 is turned clockwise to rotate the screw shaft 28, and the clamping part 12 is moved away from the head contact part 11, so that the contact surface alignment body 18 is moved to the hosel 2 and the receiving member 16. And put between. When the shaft is further pulled by operating the handle 37 from this state, as shown in FIG. 6, the contact surface aligning body reaches a position where the shaft insertion hole end surface 4 of the hosel 2 contacts the flat surface 18 a of the contact surface aligning body 18. 18 swings leftward with respect to the seat member 16. The hosel 2 is heated by a heating means (heat gun), and from this state, the shaft is pulled by the shaft holding portion 12 by further handle operation, and the shaft is pulled out from the head, and the shaft pulling out operation is finished here. This shaft pull-out is performed even with a golf club whose center line does not match with the end face of the hosel shaft insertion hole in contact with the contact surface alignment body. The shaft is extracted normally without coming.

DESCRIPTION OF SYMBOLS 1 Head 2 Hosel 3 Shaft 4 Shaft insertion hole end surface 5 Stopper 11 Head contact part 12 Shaft clamping part 13 Rail 15 Seat support member support plate 16 Seat member 16a Seat member spherical recess 18 Contact surface alignment body 18a The flat surface 18b on the side of the head-facing surface of the contact surface aligning body 19 is a spherical surface 19 on the seating member side of the contact surface aligning body 27a of the contact surface aligning body 27a Shaft receiving body 27b Shaft pressing body 28 Screw shaft 33a for driving Shaft gripping member Os Golf club shaft center line Oh Head hosel center line

Claims (3)

In a golf club shaft puncher, the shaft is moved away from the head by the shaft clamping portion in a state where the shaft insertion hole end surface of the hosel is abutted against the hosel facing surface of the head contact portion of the shaft puncher body. In the shaft extractor that extracts the shaft from the head,
In a state in which the golf club is mounted on the shaft puncher, the golf club has a contact surface alignment body mounted between the hosel contact surface and the shaft insertion hole end surface, and the contact surface alignment body is inserted into the shaft insertion portion. A golf club shaft puncher, characterized in that the hole end surface side is a flat surface, and the hosel facing surface side is a spherical surface, and has a notch from an outer peripheral edge that receives the shaft of the golf club at the center thereof. In the golf club shaft extractor according to claim 1,
The golf club shaft puncher according to claim 1, wherein the abutment surface aligning body has a cut width set according to a thickness of a shaft to be pulled out. In the golf club shaft extractor according to claim 1,
The shaft clamping portion includes a shaft receiving body fixed to a lower portion of the frame body, and a shaft pressing body that is supported so as to be vertically movable facing the shaft receiving body,
The shaft receiver and the shaft pressing body each have a shaft gripping member made of the same type of resin. The shaft gripping member includes a V-groove that is a shaft gripping portion on each opposed surface of the shaft, and the shaft gripping portion. A golf club shaft puncher, characterized by being formed with a notch that bisects.

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