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WO2014051336A1 - Tête de fer droit - Google Patents

Tête de fer droit Download PDF

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Publication number
WO2014051336A1
WO2014051336A1 PCT/KR2013/008588 KR2013008588W WO2014051336A1 WO 2014051336 A1 WO2014051336 A1 WO 2014051336A1 KR 2013008588 W KR2013008588 W KR 2013008588W WO 2014051336 A1 WO2014051336 A1 WO 2014051336A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
hitting
ground
center
putter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2013/008588
Other languages
English (en)
Korean (ko)
Inventor
송기호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2014051336A1 publication Critical patent/WO2014051336A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A63B53/0487—Heads for putters
    • 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
    • A63B53/007—Putters
    • 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
    • A63B53/0408—Heads characterised by specific dimensions, e.g. thickness
    • 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
    • A63B53/0416—Heads having an impact surface provided by a face insert
    • A63B53/042—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head
    • 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
    • A63B53/0433—Heads with special sole configurations
    • 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
    • A63B53/0441—Heads with visual indicators for aligning the golf club

Definitions

  • the present invention relates to a putter head, and more particularly, to a putter head for use in putting a ball placed on a green in a hole in golf.
  • golf clubs used in golf are divided into wood, iron, and putter. Of these, putters are used to put the ball on the green into the hole. The swing is the smallest, but it is an important factor in determining the score in golf.
  • Such a putter is a head (1) hitting the ball, the shaft (2) extending from the head, and the grip on the end of the shaft (2) as the user can hold the putter ( 3) consists of.
  • the head 1 used in a putter has a blunt type (straight type) and a mallet type (half-moon type), and the height of the putter face is about 20 to 30 mm on a flat inclined surface (3 ° to 5 °). The one with the structure is used a lot.
  • the structure of the striking surface is adapted to adapt to a large number of green conditions such as undulation of varying greens and fast and late green speeds, spike marks around hole cups, turf direction, temperature and humidity changes, and weather conditions. Many problems are exposed to hole-in hitting.
  • the sweet spot the location of the ideal striking surface for accurate impact, is not only present on the driver or iron, but also on the putter.
  • the impact of the putt must also be at the center of the blow.
  • the golfer can easily feel whether he hit the center of gravity at the impact of the driver or iron, and the result is obvious.
  • the hitting surface of the conventional putter head and the shape of the head have various shapes in consideration of the appearance center, weight, shock absorbing function, and putting feeling at the time of hitting. Due to the slight twisting of the club hitting surface due to the open (open) or close (close) phenomenon is difficult to hit the golfer in the intended direction. This is what golfers have done to minimize the number of repetitive exercises, but they miss the chance of winning or the game is turned upside down due to the putting pressure caused by the pressure and tension of the crucial moment that decides the game.
  • the height of the hitting surface of the existing putter head is about 20 ⁇ 30mm, and when the hitting, the actual contact surface between the ball and the putter hitting surface is round shape of about 5 ⁇ 6mm in diameter, and it is about 1/4 ⁇ 1/6 level of the hitting surface. It is difficult to hit by the center of stroke during the putting stroke, which requires a lot of repetitive training.
  • the putter face collides with the ball the putter is impacted.
  • the impact causes the striking surface of the putter to be slightly twisted, so that the force applied to the ball from the putter is not applied to the ball correctly.
  • the leading edge of the putter face is made to touch the ground. Therefore, when the leading edge of the putter face touches the ground or other objects on the ground, there is a problem that damage to the putter surface occurs.
  • An object of the present invention is to solve the conventional problems as described above, it is to reduce the height of the hitting surface relatively to give the effect that the sweet spot is projected to the outside of the hitting surface of the putter.
  • Another object of the present invention is to ensure that the striking surface of the putter is not affected by the ground and objects on the ground.
  • Still another object of the present invention is to prevent twisting of the hitting surface due to impact impact with the ball by reinforcing the rear portion corresponding to the hitting center point on the hitting surface of the putter.
  • Yet another object of the present invention is to simplify the top surface of the putter and to provide a putting line corresponding to the diameter of the golf ball to help align the putting line.
  • the present invention is a putter head that is connected to one end of the shaft hitting the golf ball, the opening between the ground and the front along the front end of the head An addition is formed to form a striking surface in which the leading edge is separated from the ground by a predetermined distance, and an alignment line is formed on an upper surface of the head formed in a plane parallel to a virtual line passing through the center of gravity of the head.
  • a ground seat end protrudes from the lower surface of the head.
  • At least two or more ground seating ends may be detachably mounted on a lower surface of the head.
  • the ground seat end protrudes on both sides of the lower surface of the head and is integrally formed.
  • the width of the upper surface is at least 3/4 of the diameter of the golf ball, and the length of the alignment line formed on the upper surface is also at least 3/4 of the diameter of the golf ball.
  • a strike center point is positioned near the center in the width direction of the hitting surface, and the height direction region of the hitting surface is formed only of the hitting center point.
  • the range of the length in the height direction of the hitting surface is in the range of (4/21) d to (8/21) d.
  • the height of the hitting surface and the ground seat end The degree of protrusion of is complementary to each other.
  • the head corresponding to the rear of the hitting center point is a cube shape filled inside.
  • the head of the present invention is such that the height of the hitting surface of the putter corresponds to the area of the hitting center point, when the ball is in contact with the hitting surface provides an effect that the ball is in contact with the hitting center point, the ball is hit accurately.
  • the head of the present invention has the effect that the leading edge of the striking surface is separated from the ground so that it is not affected by the ground or an object on the ground at all, so that the leading edge of the striking surface is not damaged and thus more accurate putting is possible.
  • the head of the present invention has a straight cylindrical structure at a portion corresponding to the back of the hitting center point of the hitting surface to prevent the hitting surface from being twisted by the impact generated during the collision with the ball.
  • the head of the present invention provides the effect that the putting is made correctly.
  • the putter of the present invention is provided with an alignment line so that the upper surface thereof becomes a plane and the alignment line, the alignment line has a length about the diameter of the golf ball, the plane of the upper surface of the putter also has a length and width At least as long as the diameter of the golf ball has the effect of more accurate alignment of the putting line.
  • FIG. 1 is a perspective view showing the configuration of a general putter.
  • Figure 2 is a perspective view showing the configuration of a preferred embodiment of the putter head according to the present invention.
  • Figure 3 is a perspective view showing the configuration of another embodiment of the present invention.
  • FIG. 4 is a perspective view showing the configuration of another embodiment of the present invention.
  • FIG. 5 is a perspective view showing the configuration of another embodiment of the present invention.
  • FIG. 6 is a front view illustrating adjusting the lie angle in the embodiment shown in FIG.
  • Figure 7 is a use state showing the alignment of the putting line in the embodiment of the present invention.
  • the putter head 10 of the present embodiment has a substantially flat hexahedral shape, and the impact surface 12 is formed on the front surface of the outer surface.
  • a loft angle is applied to the striking surface 12 in a range of 2 ° to 4 °.
  • the striking surface 12 is a part in contact with a golf ball.
  • the front surface of the entire head 10 is divided into three equal parts in the width direction to become an intermediate part thereof.
  • an area corresponding to the center of the hitting surface 12 is indicated by a dotted line, which becomes a sweet spot 14.
  • the center of gravity hitting point 14 is an area made according to the center of gravity of the head 10 and the inclination of the shaft 30 described below.
  • the imaginary line passing through the center of the area forming the strike center 14 passes through the center of gravity of the head 10.
  • the center of gravity point is on an imaginary line passing through the center of gravity point 14 parallel to the alignment line 20 to be described below.
  • the striking center point 14 is made to occupy almost all of the length in the height direction of the striking surface 12. Designing in this manner produces the same effect as if the impact center point 14 is protruding, and when the ball touches the striking surface 12, it is brought into contact with the impact center point 14 unconditionally. Thus, the putting can be made more accurately.
  • the length of the striking surface 12 in the height direction is about 8 mm at least. The largest size is around 16 mm.
  • the leading edge 16 of the hitting surface 12 may have a distance to the ground of about 12 mm. That is, the protruding length of the ground seating end 22 to be described below may be 12 mm or less.
  • the maximum distance 12 mm from the ground to the leading edge 16 is 20 mm.
  • the diameter of the golf ball is 42 mm, the center of the golf ball from the ground The distance to and the top position of the hitting surface 12 are equal.
  • the center of the golf ball and the center of the hitting surface 12 may correspond to each other.
  • the protruding degree of the ground seating end 22 may be relatively reduced. That is, the mounting end 22 only needs to protrude about 8 mm.
  • the height direction and length of the hitting surface 12 and the degree of protrusion of the ground seating end 22 are, for example, 10mm and 12mm, 11mm and 12mm, 12mm and 12mm, 13mm and 11mm, 14mm and 10mm and 15mm, respectively. If it is set to and 9mm, the center position in the height direction of the striking surface 12 can strike the middle part in the height direction of the golf ball. That is, the height of the hitting surface and the degree of protrusion of the ground seat end are complementary to each other.
  • the length of the hitting surface 12 in the height direction is smaller than 8 mm, the length of the hitting surface 12 in the height direction is too short, so that the contact area with the golf ball is narrowed, so that the stable hitting becomes difficult and longer than 16 mm.
  • a part out of the area of the center of the hitting point 14 is in the hitting surface 12, and thus the length of the height direction of the hitting surface 12 cannot be formed by the hitting center 14 alone.
  • the upper surface 18 of the head 10 is entirely flat. However, this is not necessarily the case, and only the region of the upper surface 18 corresponding to the rear of the hitting surface 12 may be flat.
  • the upper surface 18 is made to have a value of (3/4) d or more when the width thereof is compared with the diameter d of the golf ball as shown in FIG. Of course, it is best to have the same value as the diameter of the golf ball.
  • an alignment line 20 is provided in the center of the upper surface 18 in the front-rear direction of the head 10. The length of the alignment line 20 should also be greater than (3/4) d, but preferably it should be the same as the golf ball.
  • the upper surface 18 refers to a region having a left and right width of (3/4) d or more described above at the rear end of the hitting surface 12.
  • ground seating ends 22 protrude from both lower surfaces of the head 10.
  • the ground seating ends 22 are formed on the remaining portions except for the lower surface corresponding to the hitting surface 12.
  • the ground seating end 22 protrudes from the lower surface of the head 10 and is integrally formed.
  • the center of gravity of the head 10 is located at or near the alignment line 20 of the striking surface 12. You will be in that position. In the head 10 shown in FIG. 2, the center of gravity may be substantially at a specific point near the alignment line 20. However, when the ground seating end 22 takes up a lot of weight on both sides of the head 10, In addition, the portion adjacent to the alignment line is almost no different from the center of gravity due to its characteristics.
  • the center of gravity is located at or near the alignment line 20
  • a large part of the total weight is located at both sides of the head 10, so that the area around the actual center of gravity has no difference from the center of gravity. Therefore, the area of the hitting point 14 is further increased.
  • the length of the striking surface 12 in the height direction is relatively small, while the striking surface 12 is narrow in the vertical direction with respect to the ground. Substantially all of the area in the height direction of the striking surface 12 becomes the striking center point 16.
  • ground seating ends 22 are ground seating ends 22 to be described below.
  • the upper surface 18 of the head 10 is entirely flat.
  • the whole head 10 does not necessarily have to be flat, but the area of the upper surface 18 corresponding to the rear of the hitting surface 12 may be flat.
  • the upper surface 18 corresponding to the rear of the hitting surface 12 becomes a flat surface, and the upper surface 18 corresponding to the rear of the hitting surface 12 is a hexahedral structure with the entire interior, so that the hitting surface 12 It is to be able to absorb the shock applied to) sufficiently.
  • An alignment line 20 is marked along the rear side of the upper surface 18 corresponding to the center of the center of impact 14.
  • the length of the alignment line 20 is at least equal to the diameter of the golf ball.
  • the planar portions on both sides of the alignment line 20 span at least an area corresponding to the radius of the golf ball, respectively. This means that the planar region of the upper surface 18 is formed over an area corresponding to at least one golf ball.
  • the planar portions on both sides of the alignment line 20 may have a total length of (3/4) d or more.
  • the shaft 30 is indicated by a dotted line.
  • the shaft 30 is indicated by a dotted line because the shaft 30 is not an element constituting the head 10.
  • FIG. 3 Another embodiment of the present invention is shown in FIG. 3.
  • round portions 24 are formed at both rear ends of the head 10 as compared with the embodiment shown in FIG. 2. .
  • the remaining portion except for the portion corresponding to the hitting surface 12 may not necessarily have a rectangular parallelepiped structure.
  • the rear end edge of the side head 10 on which the ground seating end 22 is formed is made of a rounded portion 24 having a curved surface.
  • the remaining portion except for the portion corresponding to the rear of the hitting surface 12 may not necessarily have a hexahedral structure filled inside. That is, this embodiment shows that the shape of the head 10 can be made variously except for the necessary functional part.
  • Figure 4 shows another embodiment of the present invention.
  • the reference numerals of 100 units are assigned to the components corresponding to those of the above-described embodiments. Only the parts that differ from the above embodiments will be concentrated.
  • the length in the height direction of the striking surface 112 is formed to be the same overall. That is, the hitting surface 112 is formed on the front of the head 110, the length of the height direction is constant for the entire head (110).
  • the length of the striking surface 112 in the height direction is relatively narrow as in the above-described embodiment, in particular, the length of the striking direction is determined to be the center of the striking point 14 area. In other words, the length in the height direction of the striking surface 112 at the striking center point 14 becomes only the area of the striking center point 14.
  • the leading edge 116 of the striking surface 112 is positioned at a distance from the ground. The gap between the leading edge 116 and the ground forms the opening 117.
  • the ground seating end 122 protrudes from the lower surface of the head 110.
  • the ground seating end 122 is a portion supported by the ground in the head 110.
  • the ground seating end 122 protrudes from the bottom surface of the head 110.
  • the ground seating end 122 is shown well in FIG. 4, extending approximately arcuately toward the rear end of the head 110.
  • the ground seating stage 122 may be made by dividing into two as in the above embodiments.
  • the ground seating end 122 is integrated with the bottom surface of the head 100, and the ground seating end 122 may be separated from the head 100.
  • the ground seating end 122 is made of a material different from that of the head 100, it is possible to more easily set the center point of the entire head 100.
  • the ground mounting end 122 may be separated from the head 100 by using a screw structure.
  • the shape of the top surface 118 of the head 100 is not different from that of the embodiments described above.
  • the diameter of the golf ball is (4/21) d to (8/21) d.
  • both sides of the rear end of the head 110 may be curved like the embodiment shown in FIG. 3. That is, the portion corresponding to the rear of the area of the center of gravity 114 is filled inside
  • FIG. 2 a configuration code corresponding to the configuration of the embodiment illustrated in FIGS. 2 and 3 is denoted by 200 units. And, only the parts different from the above embodiments will be intensively described.
  • the striking surface 212 formed on the front end of the head 210 has the same configuration as in the embodiment shown in FIG. That is, the length of the striking surface 212 in the height direction is formed to be the same overall. That is, the hitting surface 212 is formed on the front of the head 210, the length of the height direction is constant for the entire head (210). And, the length in the height direction of the striking surface 212 is relatively narrow as in the above-described embodiment, in particular, the length in the height direction is determined to be the strike center point 214 region. In other words, the length in the height direction of the striking surface 212 at the striking center point 214 becomes only the area of the striking center point 214. In addition, the leading edge 216 of the hitting surface 212 is located at a distance away from the ground. The gap between the leading edge 216 and the ground forms the opening 217.
  • the ground seating end 222 is provided on the lower surface of the head 210.
  • the ground seating end 222 is a portion supported by the ground in the head 210.
  • the ground seat end 222 is provided on the lower surface of the head 210, at least two or more are provided in a row.
  • the row direction of the ground seating end 222 is the width direction of the head 210.
  • the ground seating end 222 is made in the shape of a disc and is detachable to the head 210. In particular, the ground seating end 222 may vary the degree of fastening to the bottom surface of the head (210). This makes it possible to adjust the lie angle 1 formed between the ground and the shaft 230 as shown in FIG.
  • the left seat ground end 222 is the most protruding, and in order to adjust the lie angle (l) in such a way that the ground seat end 222 is less protruding toward the shaft 230 in turn. have.
  • the lie angle (l) of the putter to which the present invention is applied follows the general putter rule.
  • the ground seating end 222 may separately set its material or weight to set the position of the center of gravity of the head 210. Through such a structure, the degree of protrusion of the ground seating ends 222 may be adjusted to fit the characteristics of the user.
  • the head 10 should be moved along the imaginary line connecting the hole cup and the golf ball, so that the center of gravity of the hitting point 14 is exactly centered in the height direction of the golf ball.
  • the entire area corresponding to the center of the width direction of the striking surface 12 corresponds to the striking center point 14 region. Therefore, the user has an imaginary line connecting the golf ball and the hole cup to the alignment line 20 extending in the front and rear directions of the upper surface 18 along the center of the upper surface 18 corresponding to the rear of the center of the hitting point 14 To match.
  • the alignment line 20 is formed on the flat upper surface 18, and the length of the alignment line 20 is at least equal to the diameter of the golf ball, so that alignment with the golf ball is relatively accurate.
  • the width of the upper surface 18 to be flat is at least equal to the diameter of the golf ball, the alignment with the golf ball using the alignment line 20 of the upper surface 18 is accurate.
  • the lower surface of the head 10 (the lower surface of the ground seating end 22) is on the ground.
  • the swing is made in a state of about 2 ⁇ 3mm away from the center of the hitting point 14 as it is to fit the center of the height direction of the golf ball. In this case, the golf ball is hit by the hitting point 14.
  • the alignment line 20 is used to make the movement direction accurate and the height direction length of the striking surface 12 of the head 10 is made relatively narrow while the whole area is the center of the striking point 14 in that direction. By hitting the golf ball to be able to use the center of gravity of the head 10 can be made to move the golf ball in the desired direction.
  • the leading edge 16 of the head 10 is not affected by the ground because the opening 17 is formed between the lower portion of the hitting surface 12 and the ground. That is, the leading edge 16 is not damaged by the ground or an object on the ground, and it is not affected during the swing, so that a more accurate swing can be made and the leading edge 16 is damaged to hit the golf ball. It will not affect the city.
  • both ends in the width direction from the hitting surface 112 is an area outside the center of the hitting point 114
  • the alignment line 120 is a golf ball and hole cup They match up to the virtual lines they connect, so they are rarely used.
  • the striking surface 112 since the lower edge of the striking surface 112, that is, the ground of the leading edge 116 or other objects is prevented by the presence of the opening 117, the striking surface 112 is damaged. You can prevent it.
  • the configuration of the head 110 corresponding to the rear of the center of gravity point 114 is a hexahedron shape filled inside, deformation due to the impact at the time of the impact does not occur in the striking surface 112, it is possible to accurately hit the golf ball Will be.
  • the lie angle 1 can be easily adjusted according to the user's physique, so that the putting can be performed more accurately. That is, the ground seating end 222 is to adjust the degree of protruding from the lower surface of the head 210 to set the lie angle (1) to suit the user.
  • the ground seating ends 22, 122, and 222 may be formed in various shapes such as hexahedrons and disks. However, the ground seating ends 22, 122, and 222 may have any shape as long as they have a lower surface that can stably touch the ground.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)
PCT/KR2013/008588 2012-09-25 2013-09-25 Tête de fer droit Ceased WO2014051336A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0106558 2012-09-25
KR1020120106558A KR101452459B1 (ko) 2012-09-25 2012-09-25 퍼터용 헤드

Publications (1)

Publication Number Publication Date
WO2014051336A1 true WO2014051336A1 (fr) 2014-04-03

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PCT/KR2013/008588 Ceased WO2014051336A1 (fr) 2012-09-25 2013-09-25 Tête de fer droit

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WO (1) WO2014051336A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140006246U (ko) * 2014-11-18 2014-12-12 김대식 회전볼을 구비한 뒤 땅 방지용 퍼터클럽
WO2023220255A1 (fr) 2022-05-13 2023-11-16 Karsten Manufacturing Corporation Tête de putter compacte
USD1028149S1 (en) 2022-06-24 2024-05-21 Karsten Manufacturing Corporation Golf club head
USD1033579S1 (en) 2022-09-09 2024-07-02 Karsten Manufacturing Corporation Golf club head

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200333686Y1 (ko) * 2003-08-29 2003-11-22 이성윤 골프연습용 퍼터
KR200423011Y1 (ko) * 2006-05-24 2006-08-02 유근무 골프 퍼터의 헤드
KR20100065481A (ko) * 2008-12-08 2010-06-17 광건티앤씨(주) 숏퍼팅과 미들 및 롱퍼팅이 가능한 양손잡이용 퍼터
KR101144352B1 (ko) * 2010-08-05 2012-05-11 이지훈 골프용 퍼터

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200211645Y1 (ko) * 2000-07-28 2001-01-15 박형주 골프 퍼터
KR100699768B1 (ko) * 2006-12-28 2007-03-28 김형익 퍼터

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200333686Y1 (ko) * 2003-08-29 2003-11-22 이성윤 골프연습용 퍼터
KR200423011Y1 (ko) * 2006-05-24 2006-08-02 유근무 골프 퍼터의 헤드
KR20100065481A (ko) * 2008-12-08 2010-06-17 광건티앤씨(주) 숏퍼팅과 미들 및 롱퍼팅이 가능한 양손잡이용 퍼터
KR101144352B1 (ko) * 2010-08-05 2012-05-11 이지훈 골프용 퍼터

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KR101452459B1 (ko) 2014-10-23

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