WO2010095850A2 - 헤드 스피드 조절이 가능한 연습용 골프채 - Google Patents
헤드 스피드 조절이 가능한 연습용 골프채 Download PDFInfo
- Publication number
- WO2010095850A2 WO2010095850A2 PCT/KR2010/000980 KR2010000980W WO2010095850A2 WO 2010095850 A2 WO2010095850 A2 WO 2010095850A2 KR 2010000980 W KR2010000980 W KR 2010000980W WO 2010095850 A2 WO2010095850 A2 WO 2010095850A2
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- WO
- WIPO (PCT)
- Prior art keywords
- golf club
- head
- magnet
- head speed
- moving weight
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3623—Training appliances or apparatus for special sports for golf for driving
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/02—Ballast means for adjusting the centre of mass
- A63B60/04—Movable ballast means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3623—Training appliances or apparatus for special sports for golf for driving
- A63B69/3632—Clubs or attachments on clubs, e.g. for measuring, aligning
- A63B69/3635—Clubs or attachments on clubs, e.g. for measuring, aligning with sound-emitting source
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/36—Training appliances or apparatus for special sports for golf
- A63B69/3623—Training appliances or apparatus for special sports for golf for driving
- A63B69/3632—Clubs or attachments on clubs, e.g. for measuring, aligning
- A63B69/3638—Normal golf clubs with directly attached weights
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B2053/0491—Heads with added weights, e.g. changeable, replaceable
- A63B2053/0495—Heads with added weights, e.g. changeable, replaceable moving on impact, slidable, spring or otherwise elastically biased
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
- A63B2071/0625—Emitting sound, noise or music
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00058—Mechanical means for varying the resistance
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/08—Characteristics of used materials magnetic
Definitions
- the present invention is a practice golf club to sense whether the correct swing was made by detecting the impact sound generated by hitting the inside of the head at impact time, and the feeling delivered to the hand by moving the centrifugal force inside the head during the swing motion More specifically, it is possible to acquire a sense of head speed according to the swing motion by precisely adjusting the suppression force that suppresses the movement of the moving weight so that the striking sound is generated at the correct impact position only when the head speed required for the flying distance is achieved. It relates to a practice golf club that can adjust the head speed to allow.
- Conventional golf clubs have a structure equipped with a head for generating a hitting sound at the tip of the shaft having a grip as shown in FIG.
- the head (H) has a sliding space (10) in the body (1) (2) has a built-in moving weight 20 in the space 10, the spring 30 in the front end of the moving weight (20)
- the golf club (S) to hold the swing to the device by moving the centrifugal force to move the weight 20 while compressing the spring 30 to hit the inner end of the space 10 to make a blow sound.
- the ball stopper 40 which triggers by elastically pressing the side surface of the moving weight 20 in the initial position of the moving weight 20 in order to prevent the moving weight 20 from making a hit sound even by a slight swing motion.
- such a conventional golf club has a structure that can not adjust the timing of the hitting sound. Therefore, the hitting sound is generated only when the swing motion is over a certain speed, so depending on the user's physical condition or the ability of the swing speed, it takes tremendous power to generate the hitting sound at some times, or the hitting sound is generated before the normal impact point in advance. I do not know at all. This is because the swing speed at which the golf club swings is different depending on the individual physical condition, and thus the timing at which the head speed reaches the head speed is different.
- This phenomenon may occur depending on individual physical characteristics, but may also be caused by the characteristics of the golf club. That is, since the occurrence time of the hitting sound is variable even by the elastic force difference of the spring 30 for returning the moving weight 20 or the elastic force of the ball stopper 40 which suppresses the movement of the moving weight 20, the reliability of the golf club for training is low. There is this.
- the present invention has been made to solve the conventional problems as described above, the object is that the user can arbitrarily adjust the head speed for making the sound of the impact of the golf club for practice to practice the golf swing according to individual differences
- the purpose is to provide a practice golf club with adjustable speed.
- the head speed control for the sound of the hitting sound can be adjusted while confirming with the eyes to set the head speed required to achieve the target flying distance to learn the swing motion according to the head to acquire the accurate sense of head speed according to the flying distance
- the purpose is to provide a practice golf club with adjustable speed.
- the structure of the present invention for achieving the above object has a head attached to the end of the shaft having a grip and the impact sound by the swing operation, the head comprises: a first body coupled to the end of the shaft; A second body screwed to the rear end portion of the first body while forming a shape through the tube body having both ends penetrated therein; A moving weight installed to be movable inside the second body; A magnet which fixes the moving weight to a distal end of the second body by magnetic force; Adjusting means for controlling the strength of the magnetic force attracting the moving weight by adjusting the distance between the magnet and the moving weight; A cap screwed to the rear end of the second body; A return means installed between the cap and the moving weight to momentarily move by a centrifugal force to collide with the cap and return it when an impact sound is generated; Is achieved.
- the present invention by forming a stepped portion in the inner diameter portion of the second body in contact with the adjusting means to the first body to limit the movement of the moving weight in the first body direction, the first body corresponding to the stepped The magnet is fixed, and the screw-coupled second body is rotated forward and backward to forward and backward from the first body to adjust the distance between the magnet and the moving weight.
- the adjustment means a stepped jaw is formed in the inner diameter of the second body in contact with the first body, and fixed to the magnet formed through the shaft hole in the central portion on the stepped jaw, the first body
- a female thread portion is formed at a position parallel to the shaft hole, and the adjusting bolt is screwed into the female thread portion through the shaft hole, and then is moved forward and backward by forward and reverse rotation of the second body screwed to the first body. It is characterized in that the borehole to push out the moving weight to adjust the distance to the magnet.
- the distance between the magnet and the moving weight of the first body is changed by the distance moved back and forth by the screw rotation of the second body screwed to the first body to adjust the strength of the magnetic force acting on the moving weight.
- a reference mark point is formed at one side of the outer surface of the first body corresponding to the second body so as to visually check the degree of adjustment, and a head speed proportional to the strength of the magnetic force around the second body corresponding thereto. It is characterized in that the adjustment scale is displayed to display the flying distance obtained according to the speed.
- the practice golf club that can adjust the head speed of the present invention, if any distance distance scale formed on the second body matches the reference scale of the first body, the distance between the magnet and the moving weight set thereon is adjusted so that the head is required for the target distance during the swing operation. Only when the speed is achieved, since the hitting sound is generated at the exact impact position, the exerciser can acquire the sense of head speed necessary for the desired distance.
- FIG. 1 is a cross-sectional view showing the structure of a golf club for practice according to the prior art.
- Figure 2 is an exploded cross-sectional view of the golf club for training according to the first embodiment of the present invention.
- Figure 3 is a combined cross-sectional view of the golf club for training according to the first embodiment of the present invention.
- Figure 4 is a front view of the golf club for training according to the first embodiment of the present invention.
- FIG. 5 is an exploded cross-sectional view of a golf club for practice according to the second embodiment of the present invention.
- FIG. 6 is a cross-sectional view of the training golf club according to the second embodiment of the present invention.
- FIG 7 and 8 are structural views of the golf club for training according to the third embodiment of the present invention.
- first body 102 shaft ball 104: key groove
- first female thread portion 110 second body
- step 114 second male thread portion 116: second female thread portion
- auxiliary body 152 fourth male thread portion 154: fourth female thread portion
- 162a, 162b repulsive magnet 170: adjustment scale 172: reference graduation
- FIG. 2 is an exploded cross-sectional view of the practice golf club according to the first embodiment of the present invention
- Figure 3 is a combined cross-sectional view of the training golf club according to the first embodiment of the present invention
- Figure 4 is a training golf club according to the first embodiment of the present invention Front view.
- the practice golf club that can adjust the head speed of the present invention is a head (S) having a grip (G) and the head attached to the end of the shaft (S) to give a blow sound by the swing operation ( H).
- the head (H), and the first body 100 is coupled to the end of the shaft (S);
- a moving weight 140 installed to be movable inside the second body 110;
- the first body 100 of the head (H), the shaft hole 102 is formed at one end, and the first female screw portion 108 for screwing the second body 110 to the opposite end portion is formed. do. Given the depth of the first female screw portion 108 is configured so that the second male screw portion 114 formed around the distal end of the second body 110 can be coupled to a sufficient depth.
- the side of the first body 100 in which the shaft hole 102 is formed constitutes a key groove 104 penetrating through the shaft hole 102 and a key 106 fitted into the key groove 104. Therefore, after inserting the end portion of the shaft (S) to form a key groove 104 toward the shaft hole 102 in the side and the key 106 is driven to form a rigid coupling with the shaft (S). That is, the key groove 104 is formed as a screw hole and at the same time the key 106 forms a screw to fasten the screw to the screw hole to press the shaft (S) inserted into the shaft hole 102 to the first body ( 100) and the shaft (S) to integrate.
- the second body 110 of the head (H) is a tubular body of which both sides are open to form a step (112) in the inner diameter of the end portion corresponding to the first body (100), and around the front end of the first body (100)
- a second male threaded portion 114 is formed to be fastened to the first female threaded portion 108 and screwed to the first female threaded portion 108 of the first body 100.
- the second body 110 is adjusted to the depth of appearance from the first body 100 through the forward and reverse rotation operation.
- a second female screw portion 116 for coupling the cap 120 is formed at the inner diameter of the opposite end portion of the second male screw portion 114.
- the moving weight 140 of the head H forms a stepped groove 142 in which the step 112 is accommodated around one side end portion and is inserted into the second body 110.
- a central protrusion 144 naturally formed by the stepped groove 142 formed around the inserted step is inserted into the internal space of the stepped 112.
- the spring supporting part 146 protrudes to support one end of the return spring 160.
- the front surface of the spring support portion 146 when the centrifugal force generated by the swing to move toward the cap 120 and collide with the cap 120 surface to generate an impact sound.
- the impact sound may be similar to the blow sound generated when the golf ball is hit to have a feeling of hitting the golf ball.
- the cap 120 forms a third male thread portion 122 fastened to the second female threaded portion 116 of the second body 110 on one side of the second body 110 as described above. Screw to the female threaded portion (116).
- the auxiliary body 150 forms a fourth male thread portion 152 coupled to the second female thread portion 116 of the second body 110 at the front side, and a third male thread portion of the cap 120 at the rear portion thereof.
- the fourth female screw portion 154 for fastening the fourth male screw portion 152 of the 122 or the other auxiliary body 150 is formed.
- Auxiliary body 150 is configured in plurality so as to increase the weight of the head (H) by continuously combining as necessary.
- the final rear end fourth female screw portion 154 is screwed on the third male screw portion 122 of the cap 120. This is to allow the weight of the head H to be added or subtracted according to the taste of the user.
- the head (H) of the golf club according to the present invention has an adjustment means for adjusting the threshold point so that the centrifugal force generated by the swing motion is separated from the magnet 180 by the moving weight 140 attached by the magnet 180.
- the function of the adjusting means is the stepped portion 112 as the stepped portion 112 and the second body 110 in the inner diameter portion of the second body 110 in contact with the first body 100 as the inverted rotation in the first body and stepped out 112
- the moving weight 140 moves forward with the second body 110 by varying the distance from the magnet 180 installed in the first body 100.
- the moving weight 140 moves away from the magnetic force range.
- the force to pull 140 is reduced so that the moving weight 140 can be moved toward the cap 120 with a small centrifugal force.
- the moving weight 140 becomes closer to the magnet 180, so that the magnetic force is increased, thereby separating the moving weight 140 from the magnet 180.
- the return spring 160 may be used as a return means for returning the moving weight 140 moved toward the head H to the original position where the magnet 180 is located, and the moving weight 140 and the head ( Repulsive magnets 162a and 162b may be provided on the corresponding surfaces of H) such that the same poles face each other to be returned by the repulsive force of the magnet.
- This is produced by cutting the long spring to a certain length during the manufacture of the return return spring 160, in which a difference in length occurs due to a cutting error.
- the magnet can form its magnetic force constantly, there is an effect that the return force acts constantly.
- a plurality of adjustment scales 170 are formed around an end portion of the second body 110 constituting the head H of the golf club according to the present invention, and a reference scale is formed around the first body 100 corresponding thereto. 172 is drawn.
- the adjustment scale 170 calculates the movement speed of the moving weight 140 based on the calculation of the head speed required to make a certain flying distance and the distance between the magnet 180 and the moving weight 140 accordingly. It indicates whether the user should be separated enough so that the user can see it visually.
- the adjustment scale 170 is to be able to check the degree of control with the eye. That is, the adjustment scale 170 is formed to display the flying distance that can be obtained according to the head speed speed proportional to the strength of the magnetic force attracting the moving weight 140.
- the adjustment scale 170 is marked by the golfer's head speed and the actual distance according to the head speed is expressed in meters or yards to learn the actual head speed and distance sense, through which practical practice and It will be interesting.
- the head H rotates around the body, and a large centrifugal force acts on the moving weight 140 installed inside the head H to the outside.
- the force to move to is generated.
- the force is greater than the magnetic force holding the moving weight 140, the movement in the direction of the cap 120 is shocked and the impact sound is generated by the impact.
- the centrifugal force is weaker than the magnetic force attracting the moving weight 140, the moving weight 140 does not move and no sound is produced. This means that there is not enough head speed, so you can train to get the right head speed through a faster swing.
- the second body 110 is rotated clockwise to retreat.
- the moving weight 140 installed in the second body 110 is moved away from the magnet 180 installed in the first body 100. If the swing after retreating to the desired degree while checking the flying distance control scale 170 displayed around the second body 110, the moving weight 140 is moved even in a slow and small swing motion to generate a hitting sound.
- the second body 110 is rotated counterclockwise to move toward the first body 100.
- the magnet 180 installed in the second body 110 approaches the magnet 180 installed in the first body 100, so that the moving weight is moved.
- 140 is gradually entering the range of the strong magnetic force is a large centrifugal force is applied to the moving weight 140 is separated and the blow sound is generated.
- the distance distance adjustment scale 170 displayed on the second body 110 is used after adjusting to correspond to the reference scale 172 of the first body 100.
- the user practicing using the practice golf club of the present invention is able to practice how much head speed should be paid when the user wants to achieve the target distance by adjusting the distance adjustment scale 170. That is, when the swing after matching the reference distance 172 to the specific distance control scale 170, the moving weight 140 is moved by the strength of the centrifugal force to generate a hit sound, it does not reach the proper head speed In this case, the moving weight 140 does not move, and no sound is generated. When the swing is made at an appropriate head speed or more, the impact sound is generated before the correct impact position, and the swing motion is felt too much.
- practice golf club of the present invention is added to the function that can reduce the sound of the hitting sound when practicing swing at night.
- the screw hole 156 is formed at the center of the cap 120 to fasten the noise adjusting screw 158 to the end of the cap 120 so as to stand out of the second body 110.
- a noise damping member is installed, mainly using Teflon or acetal, and other materials having a noise damping function can be selected and adopted.
- the moving weight 140 is a type of impact sound alleviating material that is coupled to the end of the screw, such as Teflon or acetal. Because of the impact, the impact sound is greatly reduced, and instead, the impact force transmitted through the shaft is felt by hand, so that people can practice without generating noise.
- the noise adjusting screw 158 has been described as installed in the cap 120, but can be installed in each auxiliary body 150 to adjust the strength of the impact sound.
- FIG 5 is an exploded cross-sectional view of the practice golf club according to the second embodiment of the present invention
- Figure 6 is a combined cross-sectional view of the training golf club according to the second embodiment of the present invention.
- the adjusting means is configured differently.
- the stepped portion 112 is formed in the inner diameter of the distal end of the second body 110, and a magnet 180 is installed to draw and fix the moving weight 140 by magnetic force therein, and a shaft hole is formed at the center of the magnet 180. And forming a screw hole 101 in the first body 100 corresponding thereto to fasten the clearance adjusting screw 103 to the screw hole 101 through the shaft hole 182.
- the gap adjusting screw 103 fastened to the first body 100 moves forward and backward together with the first body 100 of the second body 110. It will be able to adjust the distance between the moving weight 140 and the magnet 180 because it pushes the moving weight 140 to the inside.
- the assembly method is after the second body 110 is fastened to the first body 100 and the distance between the magnet 180 and the moving weight 140 is retracted to the control range limit point through the inside of the second body 110. Fasten firmly by fastening the gap adjusting screw 103 with the screw hole (101). The assembly is completed by combining the moving weight 140 and the return spring 160 and the cap 120 or the auxiliary body 150. When assembled as described above, when the second body 110 is retracted beyond the interval control range limit point, the head of the gap adjusting screw 103 is formed in the shaft hole 182 of the second body 110 or the magnet 180 installed therein. The wealth is caught and can no longer be moved.
- the second body 110 is screwed to the first body 100 and at the same time the gap adjusting screw 103 is screwed to the female threaded portion 107 of the first body 100 is finally coupled to the double. .
- the pitch interval between the second body 110 and the first body 100 is different from the pitch adjusting screw 103, the gap adjusting screw when the second body 110 is separated from the first body 100.
- the second body 110 is abnormal separation phenomenon from the first body (100) This is to be avoided.
- the gap adjusting screw 103 of the second embodiment performs a double function as a safety device for firmly connecting the second body 110 and the first body 100.
- the fittings such as the gap adjusting screw 103 and the spring 190 are disposed between the first body 100 and the second body 110, the first body ( 100) and the structure of the second body 110 is bound to be slightly changed. That is, the first body 100 forms a male thread portion 105 at an end portion corresponding to the second body 110 to secure a space for the accessory device, and the second body 110 corresponding thereto is a female screw. The portion 107 is formed to form a structure that is screwed together.
- the function of setting a target head speed is the same as that of the first embodiment.
- FIG. 7 and 8 is a structural diagram of a golf club for practice according to the third embodiment of the present invention.
- the safety device is configured such that the first body 100 screwed to the second body 110 to the head H is not separated by an abnormal cause.
- the locking jaw 204 is formed around the first body 100, and the separation prevention body 200 having an inner diameter larger than that of the first body 100 is provided to the second body 110.
- the first body 100 coupled to the screw is screwed to the second body 110 so as to be able to move forward and backward by the rotation of the screw in the departure prevention body 200, the separation prevention body of the 200
- a departure prevention jaw (205) for limiting the first body 100 retreats beyond the head speed adjustment range to prevent the departure.
- a lock male screw part 203 is formed around the second body 110, and the separation preventing body 200 corresponding thereto.
- One end of the inner diameter of the locking female threaded portion 202 is formed.
- the separation preventing body 200 even if the separation preventing body 200 is fully fastened to the second body 110 as much as possible, the first body 100 may not be separated from the second body 110 and the departure preventing body 200. I can regulate head speed enough in between.
- the locking jaw 204 around the first body 100 is caught by the separation prevention jaw 205 of the separation preventing body 200. No longer retreat. Therefore, the first body 100 is not abnormally separated from the second body 110 without the artificial separation operation by the departure prevention body 200.
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Abstract
Description
Claims (11)
- 그립(G)을 갖는 샤프트(S) 끝 부분 부착되어 스윙동작에 의해 타격음을 내는 헤드(H)를 갖는 것에 있어서, 상기 헤드(H)는, 상기 샤프트(S)의 끝 부분에 결합하는 제1몸체(100)와;양단이 관통된 관 체 형상을 이루면서 상기 제1몸체(100) 후미부에 나사 결합하는 제2몸체(110)와;상기 제2몸체(110) 내부에 이동 가능하게 설치되는 이동추(140)와;자력으로 상기 제2몸체(110)의 선단부에 상기 이동추(140)를 고정하는 자석(180)과;상기 자석(180)과 이동추(140)의 간격을 조절하여 이동추(140)를 끌어당기는 자력의 세기를 조절하는 조절수단과;상기 제2몸체(110)의 후단부에 나사 결합되는 캡(120)과;상기 캡(120)과 이동추(140) 사이에 설치되어 원심력에 의해 순간적으로 이동하여 상기 캡(120)에 충돌하여 충격음이 발생하면 이를 복귀시키는 복귀수단; 으로 구성된 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 조절수단은 제1몸체(100)와 접하는 제2몸체(110)의 내경부에 단턱(112)을 형성하여 상기 제1몸체(100) 방향으로 이동추(140)의 이동을 제한하고, 상기 단턱(112)과 대응되는 상기 제1몸체(100)에는 상기 자석(180)을 고정시켜, 나사 결합된 상기 제2몸체(110)를 정역 회전시켜 제1몸체(100)로부터 전후진 시킴으로써 상기 자석(180)과 이동추(140)의 간격을 조절하도록 한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 2 항에 있어서, 상기 제1몸체(100)의 둘레에 걸림턱(204)을 형성하고,상기 제1몸체(100)보다 큰 내경을 가진 이탈방지몸체(200)를 마련하여 상기 제2몸체(110)에 나사 결합된 제1몸체(100)가 상기 이탈방지몸체(200)의 내부에서 나사회전에 의해 전후진 동작이 가능하도록 상기 제2몸체(110)에 나사결합하고,상기 이탈방지몸체(200)의 일측 끝부분 내경에 상기 걸림턱(204)과 대응 걸림되어 상기 제1몸체(100)가 헤드 스피드 조절범위 이상으로 후퇴하여 이탈하지 않도록 한계를 부여하는 이탈방지턱(205)을 형성한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 조절수단은 제1몸체(100)와 접하는 제2몸체(110)의 내경부에 단턱(112)을 형성하고, 상기 단턱(112)에 중앙부에 축공(182)을 관통 형성한 자석(180)을 고정 설치하고,상기 제1몸체(100)에 상기 축공(182)과 나란한 위치에 암나사부를 형성하고,상기 축공(182)을 관통하여 상기 암나사부에 나사 결합되는 조절볼트를 체결하여,제1몸체(100)에 나사 결합된 상기 제2몸체(110)의 정역회전에 의해 전후진 하여 상기 조절볼트가 축공(182)을 출몰하여 상기 이동추(140)를 밀어 자석(180)과의 간격을 조절하도록 한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 4 항에 있어서, 상기 제2몸체(110)의 후미부와 상기 제1몸체(100)의 공간 사이에 서로 간에 탄성 긴장력을 주는 스프링(190)이 탄력 설치된 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 2 항 내지 제 4 항에 있어서, 상기 제1몸체(100)에 나사 결합된 제2몸체(110)의 나사회전에 의해 전후 움직이는 거리에 의해 제1몸체(100)의 자석(180)과 이동추(140) 간의 거리가 가변 되어 이동추(140)에 작용하는 자력의 세기를 조절하고, 그 조절 정도를 눈으로 확인할 수 있도록 제2몸체(110)와 대응되는 제1몸체(100)의 외측면 일측부에 기준표시점을 형성하고, 이와 대응되는 상기 제2몸체(110)의 둘레에 자력의 세기와 비례하는 헤드 스피드 및 그에 따라 얻을 수 있는 비거리(미터, 야드)를 표시한 조절눈금(170)을 형성한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 복귀수단은 복귀스프링(160)인 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 복귀수단은 상기 이동추(140)와 헤드(H)의 대응 면에 서로 같은 극이 마주보도록 반발자석(162a)(162b)을 설치하여 자석의 반발력에 의해 복귀되도록 한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 제2몸체(110)와 캡(120) 사이에 하나 또는 복수개가 선택적으로 나사 결합되는 보조몸체(150)를 더 구성하여 된 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 1 항에 있어서, 상기 캡(120)의 중앙부에 나사구멍(156)을 형성하여 이에 소음조절나사(158)를 체결하여 상기 나사의 끝 부분이 이동추(140)와 부딪히는 캡(120) 면 또는 보조몸체(150)의 면보다 돌출시켜 이동추(140)가 나사의 끝 부분에 부딪히도록 하여 충격음을 감소하도록 한 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
- 제 10 항에 있어서, 상기 소음조절나사(158)의 단부에 소음완화부재가 부착된 것을 특징으로 하는 헤드 스피드 조절이 가능한 연습용 골프채.
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CN201080008138.6A CN102316941B (zh) | 2009-02-18 | 2010-02-17 | 可调节杆头速度的高尔夫球练习杆 |
US13/202,087 US8414412B2 (en) | 2009-02-18 | 2010-02-17 | Practice golf club capable of adjusting head speed |
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US20110300963A1 (en) | 2011-12-08 |
US8414412B2 (en) | 2013-04-09 |
CN102316941A (zh) | 2012-01-11 |
CN102316941B (zh) | 2015-06-17 |
WO2010095850A3 (ko) | 2010-11-25 |
KR101048211B1 (ko) | 2011-07-08 |
JP2012517878A (ja) | 2012-08-09 |
JP5662948B2 (ja) | 2015-02-04 |
KR20100093998A (ko) | 2010-08-26 |
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