TWI236919B - Golf club head - Google Patents

Abstract

A golf club head comprises a main body, an annular wall, and a weight-adjusting cavity. The main body has a striking plate used to strike a golf ball. The annular wall is extended backward from the main body. The weight-adjusting cavity is formed in a toe portion of the annular wall and can reduce total weight of the toe portion. Thus, a center of gravity of the golf club head can be shifted and inclined to a sole portion and a heel portion of the main body so that moment of inertia thereof can be adjusted.

Description

1236919

Modified U Ϊ ::: Department of Fang; a kind of club head structure, especially about -head ', the weight of the position of the toe to adjust the overall center of gravity golf club structure. [Prior art] _ The structure of a conventional golf club head, as shown in Figures 1, 2 and 2a, is made of metal head 1. The club head 1 includes a body 10, a striking panel 11: a % Wall 12, a set of neck 13 and a shock absorbing sheet 14, the striking panel Ji is provided on the front side of the α HAI main body 10 for hitting a golf ball. The ring wall 12 is formed by extending the peripheral edge of the body 10 backward, and the ring wall 12 surrounds the back surface of the body 10 to form an opening 121. The sleeve neck 3 is used to combine a club [not shown].震 The shock absorbing sheet 1 4 is made of rubber or carbon fiber material, and can be bonded to the back of the striking panel 11 with an adhesive layer 141 to absorb the vibration generated by the impact. Doing it like this "in the manufacture of this club head", the industry still ignores if the book I 10: the ring wall 12 and the collar 13 of the department account for too much weight, which usually tends to cause the overall center of gravity 15 of the Hai head 1 to be relatively biased High, even offset to the half hitting area above the striking panel 11. As a result, it may shorten the moment of inertia of the club head 丨 and reduce the efficiency of the club head transferring the impact of the ball to the ball, and the center of gravity 15 It is inconsistent with the batting area, which further causes the body 1 to vibrate, which greatly affects the hitting performance and stability of the club head 1. As shown in Figure 2a, when the striking panel is welded by welding When welding, brazing, or setting or pressing, etc., on one side of the body 10 & joint, the junction of the striking panel 11 and the body 10 will form a surname 111, such as welding bead, Brazing flash, joints or crimps. ^^^ See page 1236919

Description of the Invention (2) The vibration caused by the sun-inch ball may make this person @ 1 1 1 _% ^ ^ phenomenon. She has a long-standing relationship with V: Medium Lu-51 啲 啲 = s ° Μ Qianshuo 1's structural strength. Although the above method benefits :: Λ Λ absorption / sheet 14, the adhesion of the shock absorbing sheet 14 combines with the pH Λ shock sheet 14 and the body 1 to form a resistance 1 ^ and | \ fruit. The shock absorbing sheet 14 cannot absorb the bonding edge m I series 14Z due to the barrier of the gap 1 42 and is also due to the blocking of the adhesive layer 而: == receiving shock absorber Elf club head structure. In view of this, the present invention improves the above disadvantages by forming a material escape hole at the :::: position and reducing the material escape hole "to adjust the moment of inertia. Similarly, the escape hole ί == moving, injection molding a reinforced layer, consolidation = this, the present invention can indeed increase the moment of inertia adjustment of the club head, this, the shock absorption effect and prolong the service life of the club head. [Content of the invention] The main object of the present invention is to provide a golf club 4 with a hole for escape at the toe of the head of the ring wall. The effect makes the present invention have the secondary purpose of the present invention is to provide a golf club head structure 2 on the back of the striking panel by heat pressing or injection molding =, eighty-oneness and grip comfort. And shock release, stable shot

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V. Description of the invention (3) ________ Another purpose of the present invention, adjust the escape hole: insert = is provided-a golf club head structure, which uses the half and toe to occupy the second, shape and quantity to appropriately Adjusting the top of the club head has the effect of increasing p li 'while adjusting the overall position of the center of gravity, so that the invention of the present invention ^ one, the effect of heliocentric adjustment margin. The system on the back of the striking panel provides a golf club head structure. In one part, it can be covered and solidified to form a reinforced layer. The reinforced layer has / extends the assembly process = two weights and one weight. The invention has a simplified weight block ring wall. The ring according to the present invention and at least one dodging mesh net head structure includes a body, and the wall can be combined with a striking panel from the front side of the body. The toe portion of the ring wall is formed by extending σ ,, ^. The escape hole is provided in the tongue of the ring club head to reduce the weight occupied by the upper half of the body, so that the moment of inertia is moved downward and toward the heel to adjust the [implementation of the golf club] Mode] Understand; = :: The above and other objects, features, and advantages can be more clearly explained in detail, such as ^ the preferred embodiment of the present invention, and in conjunction with the accompanying drawings, make = drawing. Reveal-show the present invention The combination of the structure of the golf club head of the first embodiment = 2. Figure 4 shows the structure of the golf club head according to the first embodiment of the present invention, and a perspective view of the mouth; Figure 5 shows the Gore of the second embodiment of the present invention: the head The combined perspective view of the structure k; FIG. 6 discloses another combined perspective view of the second embodiment of the present invention = the structure of the golf club head; FIG. 7 shows the combined sectional view of the structure of the golf club head according to the first embodiment of the present invention; Revealing a partial enlarged view of Earth & Sun and Moon Figure 7; Figure 8 reveals a third embodiment of the present invention

C: \ Logo-5 \ Five C〇ntinents \ PK9314a.

Ptc Page 8 1236919

Amendment No. 921 State 7R9 V. Description of the invention (4) The combined perspective view of the golf club master structure; The combination of the golf club head structure of one embodiment: 9: Unveiling the golf of the fourth and fifth embodiments of the present invention The structure of the club head: Section II; = Section: Example of the golf club structure of the embodiment = Section; = View. & Combination of the structure of the round head of the 7th example of the younger brother, as shown in Figs. 3 and 4, the first structure of the present invention is made of metal and all-in-all materials. Taibang ίο, one or two chants Λ are made into a cup head 1, the club head 1 includes a garment back, a set of neck 13 and at least one escape hole 122. The panel can be formed into a panel joint 101, which can be combined with the strike panel 11 'The strike panel 11 can be optionally combined with the panel joint 101 of the main body 10 by means of rear mounting, pressing and screwing, etc. It is directly formed on the main body 10 by an integral molding method. The striking panel n can be used to strike a golf ball. The ring wall 12 is formed by extending the peripheral edge of the main body 10 ′, and the ring wall 12 surrounds the back surface of the main body 10 to form an open edge 1 2 1. The sleeve neck 1 3 is for combining a club [not shown]. The escape hole 丨 2 2 is formed on the toe portion [t〇e] of the ring wall 丨 2 of the body 10. The escape hole 1 2 2 is preferably a through hole that communicates with the inner wall surface and the outer ring surface of the ring wall 2. The escape hole 1 2 2 can reduce the weight of the upper half of the ring wall 2 and the toe (toe), so that the center of gravity of the entire head 1 5 can be down and heeled [hee 1 〕 Moving, so that the moment of inertia of the club head 1 can be further adjusted relatively, thereby effectively improving the hitting performance [hitting distance] of the club head 1 or meeting various product and use requirements. Furthermore, the body 丨 [excluding the striking panel 11] can be manufactured by integral molding using precision casting, casting, mechanical processing, die casting, forging, injection molding, etc.

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Case No. 92128752 V. Description of the invention (5) The joint method is assembled into one body. Figs. 5 to 7a show the structure of a golf club head according to the second embodiment of the present invention. Compared with the first embodiment, the second embodiment is further advanced by one degree. A strengthening layer 16 is formed on the back of the striking panel 11 to strengthen the structural strength of the striking ′ and to support the striking panel i 丨. The reinforcing layer 6 is directly bonded to the back of the striking panel U through an appropriate lightweight reinforcing material through the escape hole 122 or the opening 121. At the same time, the reinforcing layer 16 is also generally integrally extended to form a reinforcing filler block 161 to fill the escape hole 122, and the appearance. The reinforced layer 16 and the reinforced packing block i6i are preferably produced by using the “out” method, and the lightweight material is preferably selected from the group consisting of anti, truncated, sloppy, and stalk [such as the ring-shaped g dagger x ^ ^ Λ clothing Crescent Moon], two-molecule polymer materials, rubber [for example, titanium alloy, aluminum alloy] and its viscous composite powder: by pressing or injection molding, so the strengthening layer 16 does not need to be: Or ^ can be completely tightly combined with the back of the striking panel. D The striking surface is not shown in the figure, because the reinforcing layer 16 can completely cover ▲ a bonding edge formed at the interface of the striking panel li and the body 10 (such as weld

Page 10 knows the flash, the joint or the crimping point], so when hitting the ball, it should absorb the concentrated stress of the joint edge 111 to avoid the effect of the concentrated stress of the knot and cause cracks, thereby strengthening the reaction. Combination of u and body 1 and extending the club head! In addition, since the peripheral edge of the reinforcing layer 16 directly and closely adheres to the wall surface of the body f2, when the ball is hit, the reinforcing layer 16 not only directly absorbs = the vibration generated by the impact panel u when hitting the ball. , And at the same time can absorb the front of the body and its nuclear wall! 2 the vibration generated. As a result, the reinforcement layer 6 does not provide the club head 1 with excellent structural strength and shock absorption effect, and can also

Page 11 1236919

1 2 ^ ^, protruding inwardly and formed at the end of the ring wall 12, the container chamber 1 2 4 is formed on the inner wall surface of the ring wall 12 at the bottom of the μ 彳 dry head 1, and can be accommodated in a matching configuration. The weight 20 ′ adjusts the position of the center of gravity of the head 1 as a whole. During assembly, the weight block 20 is first housed in the chamber 124, and then hot pressed or injection-molded to form a sigma-reinforced layer 16 and an extension portion 16 2 so that the extension portion 16 2 The end can be directly tightly coupled to the inside of the ring flange 23, so the ring flange 123 can restrict the reinforcement layer 16 and the extension portion 1 62 to prevent the reinforcement layer 6 and the extension portion 162 from detaching outward from the club head. !! The opening is 12ι. At the same time, the extension 162 can directly embed and fix the weight block 20, and simplify the assembly system of the weight block 20.

Cheng. Moreover, the present invention does not limit the specifications and composition of the weight block 20, which can be selected and changed according to the product requirements.

Referring to FIG. 11, the structure of a golf club head according to a sixth embodiment of the present invention is disclosed. Compared with the fifth embodiment, the club head of the sixth embodiment, in addition to being provided with the escape hole 122, the reinforcing layer 16 and the weight block 20, further forms a second ring groove 125. The ring groove 125 is adjacent to the joint edge U1 ^ U | square 'and is not damaged in the upper half and the side of the inner wall surface of the ring wall 12. The ring grooves 1 2 5 can be used to accommodate the reinforcement layer 6, so that the ring grooves 2 5 can not only increase the bonding strength of the reinforcement layer 16 to prevent the reinforcement layer 6 from peeling off, but also can keep the same It supports the reinforced layer 16 and the striking panel, and improves the overall structural strength, shock absorption effect, ball stability and grip comfort. Please refer to FIG. 12 for a structure of a golf club according to a seventh embodiment of the present invention. Compared with the fifth embodiment, the club head of the seventh embodiment, in addition to the escape hole 122 and the reinforcement layer 16, is further formed with a notch 1 2β at the bottom of the ring wall 12 for Combine a counterweight 20. The weight 20 can be welded, hardened,

C: \ Logo-5 \ Five Continents \ PK9314a.ptc screw and other methods are properly combined with the gap

Page 12 5. Description of the invention (8) 126, and the weight 20 has a flange 21. The flange is formed to extend into the opening 121. Thereby, the end of the extension portion 62 can also be directly tightly bonded to the inside of the flange 21, so the flange 21 can restrict the reinforcement layer 16 and the extension portion 162 to prevent the reinforcement layer 16 and the extension portion 162 from outward. Take off the opening 121 of the club head 1. At the same time, the weight block 20 can be used to adjust the position of the center of gravity of the whole = 1. In addition, the present invention does not limit the specifications and composition of the weight block 20, which can be selected and changed according to product requirements. As mentioned above, compared with the conventional golf club head structure, it is unable to effectively center 15 positions and completely absorb the concentrated stress of the joint edge U1. The lack of positive inventions can indeed form the escape material at the toe position of the ring wall 12. Hole 122, and make the escape hole 122 and the back of the striking panel 11 form the reinforced increase block 161 and the reinforced layer 16 by hot pressing or molding, and also shake and extend the extension 162 of the reinforced layer 16 to fix the weight Block 2 (), ^ ^ head moment of inertia adjustment margin, batting performance, shock absorption ^ plus ability to determine the present invention, anyone who is familiar with this skill, will not leave: Changes and modifications, 1 Shenhe scope shall be determined by the scope of the attached patent application. * Protect the center of gravity to adjust the margin, the stability of the shot and the grip comfort ^ The strength of the second structure: Although the present invention has been disclosed in detail in the preferred embodiment, it is not used;

1236919 Amendment --- SR_92128752 Simple illustration of the drawing [Simplified illustration of the drawing], 1 picture Fig. 2 is a sectional view of a conventional golf club structure. $ 2a Figure. Partial enlarged view of the second figure of a conventional golf club structure. The 30th embodiment of the present invention is a combined stereogram of a golf club head structure. Fig. 4 is another combined perspective view of the golf club head structure of the first embodiment of the present invention. Fig. 5: A combined perspective view of a golf club head structure according to a second embodiment of the present invention. Fig. 6 is another perspective view of the golf club head structure according to the second embodiment of the present invention. FIG. 7 is a 1J view of a combination of a golf club structure according to a second embodiment of the present invention. / Fig. 7a: A partially enlarged view of Fig. 7 of the present invention. Fig. 8: A combined perspective view of the golf club head structure of the third embodiment of the present invention. Fig. 9 is a combined sectional view of the structure of a golf club head according to a fourth embodiment of the present invention. Fig. 10 is a view showing the structure of a golf club head according to a fifth embodiment of the present invention. Fig. 11 is a fragmentary view showing the structure of a golf club head according to a sixth embodiment of the present invention. I 剠 Figure 12: Is the golf club head structure of the seventh embodiment of the present invention, "

C: \ Logo-5 \ Five Continents \ PK9314a. Ptc 14th tribute 1236919 _Case No. 92128752_ year month day correction correction simple illustration of the view. Figure number description:

1 club head 10 club head 101 panel joint 11 striking panel 111 joint edge 12 ring wall 121 opening 122 escape hole 123 ring flange 124 container 125 ring groove 126 gap 13 sleeve neck 14 shock absorbing sheet 141 adhesive layer 142 gap 15 center of gravity 16 Reinforcement layer 161 21 Reinforcement block flange 162 Extension 20 Counterweight C: \ Logo-5 \ Five Continent.s \ PK9314a. Ptc page 15

Claims (1)

1236919 _Case No. 921287W Month Revision "6. Application for Patent Scope 1. A golf club head structure, which includes: a body 'which can be combined with / hitting a panel on the front; And at least one material escape hole, which is arranged on the toe position of the concrete wall to reduce the weight occupied by the upper half of the body and the toe, so that the overall center of gravity of the club head is moved downward and toward the heel, so that Adjust the moment of inertia of the golf club. 2. According to the structure of the Shanefu club head described in item 1 of the patent scope of the application, wherein the material escape hole is a through hole. 3. The golf club head structure according to item 1 of the scope of the patent application, wherein the material escape hole is a blind hole, and the opening of the blind hole is opened outside the torus of the ring wall. 4. The golf club head structure described in item 1 of the scope of the patent application, wherein the material escape hole is additionally filled with a lightweight material branch to form a reinforced filler block to strengthen the structural strength of the material escape hole and absorb the shot. Vibration from time to time. 5. According to the golf club head structure described in item 4 of the scope of the patent application, the reinforced packing is made by hot pressing into plastic and injection molding. Qin Mei ;: Avoid 6. According to the fourth scope of the patent scope of application In the golf club head structure, the lightweight material is selected from the group consisting of carbon fiber, resin, polymer material, titanium alloy, aluminum alloy, light alloy, and rubber. 7. According to the golf club head structure described in the first paragraph of the scope of the patent application, wherein the strike panel is provided with a reinforcement layer on the back, the reinforcement layer is made of lightweight materials to strengthen the structural strength of the back of the strike panel And absorb the vibration generated when hitting the ball. According to the golf club head structure described in Patent Application Scope 7), wherein 1236919 SS—92128752 VI. Scope of Patent Application Month Revision The strengthening layer is made by hot pressing into plastic and injection molding. 9 The golf club head structure according to item γ of the patent application scope, wherein the lightweight material is selected from carbon fiber, resin, polymer material, titanium alloy, aluminum alloy, light alloy, and rubber. According to the golf club head structure described in Item 7 of the declared patent scope, the striking panel is combined with the body by welding, brazing, embedding, pressing, screwing, and on the back and the ring of the striking panel. Inside the wall = the father boundary of the face forms a joint edge, and the reinforcing layer completely covers the joint edge 'for absorbing the concentrated stress of the joint edge when hitting the ball. 11. The golf club head structure described in item 10 of the scope of the patent application, wherein the inner wall surface of the bad step is further formed with a loop groove, which is adjacent to the joint edge of the body and the striking panel to accommodate the reinforcement Layer, and increase the bonding strength of the reinforcing layer. 1 2. According to the golf club head structure described in item 7 of the scope of the patent application, the reinforcing layer further extends backward to form an extension, and the extension is tightly closed. Λ fits on the inner wall surface of the ring wall at the bottom of the body . 1 3. According to the golf club head structure described in Item 12 of the scope of the patent application, the end of the ring wall of the body extends radially inward to form a ring flange to prevent the reinforcement layer and the extension from peeling off. 1 4. According to the golf club head structure described in item 丨 2 of the scope of the patent application, it is an inner wall of the ring wall at the bottom of the body, and a container is used to receive a weight block. The block can be directly fixed by the extension plate of the reinforcing layer. 1 5. Golf club head structure as described in item 丨 of patent application scope C: \ Logo-5 \ Five Continents \ PK93l4a, p. 17 1236919 Case No. 92128752 Rev. C: \ Logo-5 \ Five Continents \ PK9314a.ptc Page 18