JPH10118229A - Golf club head of face changing type - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a face changing type golf club head capable of using a plurality of face members in one golf club and of carrying with compactness. SOLUTION: This head comprises multiple face members 3 having different thicknesses and largeness. In each member 3, an engagement part 33 engaging with a notched part at a lower end of a head seat 1 is provided to allow a locking protrusion 12 to be accommodated in an engagement recess part 24, and a stopper piece 31 is protruded from the rear surface. A lock means 2 is provided at the head seat 1. In the means 2, an engagement pin 20 is energizedly protruded to a lock direction by a spring 21 and a knob 25 is provided to retreat the pin 20 to the release direction. The movement of the face member 3 is stopped by the engagement of the pin 20 with the stopper piece 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf club head capable of selectively exchanging a face member according to a hit.

[0002]

2. Description of the Related Art Conventional golf club heads capable of replacing a face member are replaced when the face member is worn or damaged. For this reason, the golf club head is firmly fixed with screws so as not to be loosened. I needed it.

[0003]

However, according to the present invention, in order to eliminate the trouble of carrying a large number of golf clubs, the face member is easily replaced by a detachable type. The purpose is to be able to carry lightly with the club's standing and multiple face members.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a golf club head in which a face member is attached to a head seat of a golf club, comprising a plurality of face members having different thicknesses, sizes, and the like. An engaging portion for engaging an engaging portion provided on a part of the head seat body is provided at the same position, and an engaging portion such as a stopper piece or an engaging concave portion is protruded at the same position on the back surface. A face member exchangeable golf club head having a configuration in which a lock member for locking the stopper piece is provided on the head seat body or each face member to prevent movement of the attached face member. An engaging pin that is urged forward and retracts by the pressure contact of the face member is provided on the head seat as a locking tool that is urged in the locking direction to protrude, and the engaging pin is provided in the engaging portion. May be engaged and locked. Further, the engaging pin is urged in the locking direction so as to protrude, and is provided on the head seat as a locking tool having a knob for retreating the engaging pin in the releasing direction, and the engaging pin is engaged with the engaging portion. It may be configured to lock together. Further, a notch portion is provided on the lower end surface of the head seat body, and a fitting portion that fits into the notch portion is protruded from the lower end portion of the face member, so that the notch portion of the head seat body and the face member are provided. May be provided with engaging portions that engage with the concave and convex portions respectively. Further, the locking portion is provided with a dovetail groove or a dovetail groove engaging ridge on the front surface of the head seat body, and the dovetail groove or the dovetail groove engaging ridge is engaged with the dovetail groove or the dovetail groove engaging ridge. A configuration provided on the back surface may be used. Further, the locking portion may be configured such that a spring piece pressed against and urged against the head seat body is attached to the face member, and a locking groove for accommodating and locking the bent stop piece of the spring piece is not provided in the head seat body. Good.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to illustrated embodiments. In the embodiment shown in FIGS. 1 to 3,
Reference numeral 1 denotes a metal head seat of an iron club, and a shaft 10 is continuously provided on one side. The lower end of the head seat 1 is made thick, and a notch 11 is formed at the center thereof.
The locking projection 12 protrudes downward. Further, a pin mounting case 2 in which an engaging pin 20 as a lock tool is urged to the side is fixed to an upper end of the head seat body 1.

As shown in FIG. 5, a coil spring 21 inserted through the engagement pin 20 is
The engagement pin 20 is projected and urged to the side by elastically adhering between the collar 22 of the case 2 and the locking step 23 in the case 2. Housed inside. An operation rod 26 provided with a knob 25 at the upper end of the flange 22 is continuously provided and protrudes upward from the elongated hole 27.
In addition, an upper end portion just before the case 2 is cut out to form an arrangement hole 18.

Reference numeral 3 denotes a face member having a face surface on the front surface, and a stopper piece 31 protruding rearward from the arrangement hole 28 protrudes from the upper surface of the back face thereof. 32 is transparent. In the center of the lower end of the face member 3, a notch 11 of the head seat 1 is provided.
A fitting portion 33 that fits into the notch 11 projects rearward, and an engaging recess 34 that accommodates the locking protruding band 12 of the notch 11 is
3 is provided on the upper surface thereof.

As shown in FIG. 4, the face member 3 is attached by fitting the stopper member 31 as an engaging portion into the arrangement hole 28 of the head seat body 1 shown by imaginary lines by slightly tilting the face member 3. The engaging protruding band 12 is engaged with the engaging concave portion 34 so that the fitting portion 33 is fitted into the cutout portion 11 of the head seat 1. As shown in FIG. 6, the knob 25 is pressed and slid along the elongated hole 27 against the spring 21 so that the engagement pin 20 is pressed.
The stopper piece 31 is passed through the arrangement hole 18 while maintaining the state of being retracted in the counter-biasing direction.

After the fitting portion 33 is fitted into the notch portion 11 of the head seat body 1, if the knob 25 is released, the engaging pin 20 advances in the biasing direction by the restoring force of the spring 25, and the stopper piece 31 engages. It is inserted and accommodated in the hole 32. As a result, as shown in FIG. 5, the face member 3 is fixed to the head seat 1 because the engagement pin 20 engages with and locks the stopper piece 31. That is, movement in the front-rear direction, the up-down direction, and the left-right direction is prevented by the engagement pin 20 and the locking projection 12.

When the face member 3 is to be replaced, the knob 25 is slid against the spring 21 so that the engaging pin 20 is retracted and pulled out from the engaging hole 32 of the stopper piece 31. The engagement recess 34
If the face member 3 is moved forward with the locking protruding band 12 pulled out from the head member 3, the face member 3 can easily be detached from the head seat body 1. Then, as shown in FIG. 7, another face member 3 ′ to be used may be attached to the head seat 1 in the same manner.

As described above, in this embodiment, the face member 3 desired to be easily used can be easily detached and replaced.
In this example, two clubs having different lengths of shafts each having the head seat body 1 connected in series are provided at all times, and a plurality of clubs having different thicknesses, sizes, inclinations, etc. (for example, 7-7 If you carry the face members and exchange them, you can play enough. For this purpose, it is necessary to provide the fitting portion 33 having the engaging concave portion 34 and the stopper piece 31 at the same position in different face members. Also,
The shaft is located slightly forward with respect to the head seat 1 in order to improve the balance with the face member attached.

Next, another embodiment shown in FIGS. 8 to 10 will be described. 4 is a metal head seat of the iron club,
A shaft 40 is provided on one side. The lower end portion of the head seat body 4 is made thick, and a dovetail groove engaging projection 41 is formed in a band shape on the lower front surface so as to protrude in the left-right direction. A pin mounting case 5 urged forward from the front is fixed.

[0013] As shown in FIG.
The coil spring 51 inserted into the engagement pin 50 is
The engagement pin 50 is biased to project forward from the insertion hole 42 of the head seat body 4 by elastically adhering between the flange 52 of the “0” and the locking step portion 53 in the case 5. 50 is housed in the case 5 except for the tip. The tip of the engagement pin 50 is inclined.

Reference numeral 6 denotes a face member having a face surface on its surface. A dovetail groove 61 for engaging with the dovetail groove engaging projection 41 is provided in a lower portion in a lateral direction and is opened at both ends.
Engagement concave portion 6 communicating with insertion hole 42 of head seat body 4 at the upper portion
2 is open and opened on the back surface. Further, the side surface on the insertion side of the face member 6 is a press-contact guide slope 63 that can be retracted by pressing the engagement pin 50, and one side wall surface of the engagement concave portion 62 is a press-contact guide slope 6 that can be retracted by pressing the engagement pin 50.
20.

The face member 6 is attached by sliding the face member 6 to the head seat 1 from the side so that the dovetail groove 61 is engaged with the dovetail groove engaging projection 41 as shown in FIG. As a result, the engagement pin 50 is automatically inserted into the engagement recess 62 as shown in FIG. 11, and the movement is prevented in the front-rear direction, the up-down direction, and the left-right direction by the engagement of the engagement pin 50 and the dovetail groove. It is.

In other words, as the face member 6 advances in the mounting direction, as shown in FIG.
Pushes and retracts the engaging pin 50, and the engaging pin 50 completely retracted on the back surface of the face member 6 moves along the back surface of the face member 6 as shown in FIG. When the position is located, the engaging pin 50 is urged and protrudes forward, and the engaging pin 50 is engaged and housed in the engaging concave portion 62.

When the face member 6 is to be exchanged, the face member 6 may be gripped and slid in the lateral disengagement direction, whereby the engaging pin 50 is automatically pulled out of the engaging concave portion 62 and the dovetail groove is formed. The face member 6 is detached from the engaging projection 41. That is, the press-contact guide slope 620 of the engagement concave portion 62 pushes the engagement pin 50 backward, and is completely pushed back on the back surface of the face member 6 as shown in FIG. 50 protrudes forward.

Therefore, although not shown, another face member to be used in this state may be attached to the head seat 4 in the same manner. For this purpose, it is necessary to provide the engagement recess 62 and the dovetail groove 61 at the same position on different face members.

Next, when the head seat is made of wood, as shown in FIG. 15, a vertical locking groove 75 is formed at the upper end of the wooden head seat 7, and the vertical direction is formed on the lower surface. A case 9 is provided in which the engagement groove 76 is not provided, and the engagement pin 90 as a lock tool projects from the engagement groove 76. As in the previous example, the protrusion of the engagement pin 90 is achieved by the coil spring 91 inserted through the engagement pin 90 and the flange 92 of the engagement pin 90 and the case 7.
The engaging pin 90 is elastically attached to the inner locking step 93 to project and bias the engaging pin 90 into the engaging groove 76 of the head seat 7. The tip of the engagement pin 90 is inclined.

The face member 8 has an upwardly directed stopper piece 81 projecting from the lower end thereof, which is inserted into the engagement groove 76, and has an inclined surface 810 at the tip end of the stopper piece 81 which can push and retract the engagement pin 90. ing. At the upper end of the face member 8, a spring piece 82 having a downwardly bent stop piece 83 capable of engaging with the locking groove 75 of the head seat body 7 is fixed, and the spring piece 82 is always biased in the downward engagement direction. Have been.

Therefore, first, with the spring piece 82 lifted upward, the face member 8 is mounted from below so that the stopper piece 81 can be inserted into the engagement groove 76.
The spring piece 82 is pressed against the locking groove 75 by releasing the spring piece 82 in a state where is inserted into the engagement groove 76. As a result, the inclined surface 810 of the stopper piece 81 retreats the engaging pin 90 and strongly presses against the side surface of the stopper piece 81 to engage the stopper piece 81.

According to this example, the face member 8 is firmly fixed to the head seat 7 by the pressing of the stopper piece 81 and the urging and pressing of the spring piece 82. Also face member 8
When it is desired to replace the face member 8, the spring piece 82 is removed and lifted, and then the stopper member 81 is pulled down against the pressing force of the engagement pin 90, whereby the face member 8 comes off.
What is necessary is just to attach the face member which wants to use similarly.
For this purpose, it is necessary to provide the stopper piece 81 and the spring piece 82 at different positions on different face members.

Although the present embodiment has the above-described configuration, the present invention is not limited to this. For example, the shapes of the face member and the head seat body are not limited, and the configuration of the locking portions provided on these and locked together is not limited. Further, the configuration of the engagement portion provided on the face member and locked by the lock device is not limited. Further, the configuration of the lock member provided on the head seat body is also appropriate, as long as the engagement portion of the face member can be locked, but the configuration in which the engagement is performed by urging the engagement pin is optimal.
The material of the head seat body and the face member is arbitrary, and carbon, titanium alloy, ceramics, aluminum and the like can be used.

[0024]

According to the first aspect of the present invention, a single club can be used in combination with a plurality of heads by exchanging a face member, and since it can be easily replaced by a detachable type, it is easy to handle and the weight of the portable device can be reduced. It is. actually,
It is possible to play by carrying two iron clubs having different lengths, one wood club and a putter club, and seven iron face members and two wood face members.

According to the second aspect, since the engaging pin is automatically engaged by the insertion of the face member, it can be easily attached and detached. In the third aspect, the engaging pin is securely inserted into the stopper piece or the engaging recess. Can be engaged. In claim 4, the locking portion can be easily locked, in claim 5, the locking portions are reliably locked to each other, and in claim 6, when the head seat body is thick, it can be locked easily. is there.

[Brief description of the drawings]

FIG. 1 is a perspective view from the back of one embodiment of the present invention.

FIG. 2 is a perspective view from the front.

FIG. 3 is a longitudinal sectional view thereof.

FIG. 4 is a longitudinal sectional view of a separated state.

FIG. 5 is an enlarged vertical sectional view showing an engagement state by an engagement pin.

FIG. 6 is an enlarged vertical sectional view showing a released state by an engagement pin.

FIG. 7 is a perspective view from the back surface after replacing a face member.

FIG. 8 is a perspective view from the back of another embodiment.

FIG. 9 is a perspective view from the front while the face member is being mounted.

FIG. 10 is an enlarged vertical sectional view showing an engagement state by the engagement pin.

FIG. 11 is an enlarged cross-sectional view of a main part thereof.

FIG. 12 is an enlarged cross-sectional view of a main part in a state where an engaging pin is pressed and retracted by a face member.

FIG. 13 is an enlarged cross-sectional view of a main part in a state where the engaging pin is pressed and retracted by the face member.

FIG. 14 is an enlarged cross-sectional view of a main part in a state where an engagement pin is inserted into an engagement recess.

FIG. 15 is a longitudinal sectional view of another embodiment.

[Explanation of symbols]

 1,4,7 Head seat 10,40 Shaft 11 Notch 12 Locking protruding belt 20,50,90 Engagement pin 21,51,91 Coil spring 25 Knob 3,6,8 Face member 31,81 Stopper piece 32 Engage Hole 33 Fitting part 34 Engagement concave part 41 Dovetail groove engagement convex part 61 Dovetail groove 62 Engagement concave part 63,620 Pressure contact guide inclined surface 75 Engagement groove 76 Engagement groove 82 Spring piece 83 Stopping piece

Claims (6)

[Claims] 1. A golf club head mounting a face member on a head seat, comprising a plurality of face members (3, 6, 8) having different thicknesses, sizes, etc., wherein each face member comprises a head seat. Locking portions that engage with locking portions provided on a part of the body (1, 4, 7) are provided at the same position, and engaging portions such as stopper pieces or engaging concave portions are provided at the same position on the back surface. A face member exchangeable golf club head, wherein a lock member for locking the engaging portion is provided on the head seat body to prevent movement of the attached face member. 2. The head seat body is provided with a lock member which is urged forward and retracts by being pressed against a face member and which is retractable and urged in a lock direction to protrude. 2. The golf club head according to claim 1, wherein said engaging pin is engaged with said engaging portion to lock. 3. A locking device having a knob (25) for urging the engaging pin (20) in the locking direction to protrude and retracting the engaging pin (20) in the releasing direction is provided on the head seat body. ,
2. The golf club head according to claim 1, wherein said engaging pin is engaged with said engaging portion to lock. 4. A notch (11) is provided at the lower end surface of the head seat body (1), and a fitting portion (33) that fits into the notch is protruded from the lower end of the face member (3). , Head seat notch (11)
An engaging portion (12, 34), which engages with the engaging portion (33) of the face member, and engages with the concave and convex portions, respectively, to form a locking portion.
Golf club head. 5. A dovetail groove (61) or a dovetail groove engaging protruding band (41) provided on the front surface of the head seat body (4), and a dovetail groove (61) engaging with the dovetail groove or dovetail engaging protruding band. The golf club head according to claim 1 or 2, wherein the dovetail-engaging projection (41) is provided on the back surface of the face member (6) to serve as a locking portion. 6. A spring piece (82) pressed and urged against the head seat (7) is attached to the face member (8), and a locking piece (83) of the spring piece (82) is received and locked. The golf club head according to claim 1, wherein the groove (75) is formed in the head seat body as a locking portion.