EP2191875A1 - Putter - Google Patents

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Publication number
EP2191875A1
EP2191875A1 EP08831617A EP08831617A EP2191875A1 EP 2191875 A1 EP2191875 A1 EP 2191875A1 EP 08831617 A EP08831617 A EP 08831617A EP 08831617 A EP08831617 A EP 08831617A EP 2191875 A1 EP2191875 A1 EP 2191875A1
Authority
EP
European Patent Office
Prior art keywords
head
shaft
ball
swing
putter club
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.)
Withdrawn
Application number
EP08831617A
Other languages
German (de)
English (en)
Other versions
EP2191875A4 (fr
Inventor
Masatoshi Sahoda
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 EP2191875A1 publication Critical patent/EP2191875A1/fr
Publication of EP2191875A4 publication Critical patent/EP2191875A4/fr
Withdrawn legal-status Critical Current

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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
    • A63B53/02—Joint structures between the head and the shaft
    • 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
    • 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
    • A63B53/02—Joint structures between the head and the shaft
    • A63B53/022—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft
    • A63B53/023—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation
    • A63B53/026—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation loft angle only, i.e. relative angular adjustment between the shaft and the club head about a horizontal axis perpendicular to the intended line of play when the club is in its normal address position
    • 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
    • A63B53/02—Joint structures between the head and the shaft
    • A63B53/022—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft
    • A63B53/023—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation
    • 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
    • A63B53/02—Joint structures between the head and the shaft
    • A63B53/022—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft
    • A63B53/023—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation
    • A63B53/025—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation lie angle only, i.e. relative angular adjustment between the shaft and the club head about an axis parallel to the intended line of play when the club is in its normal address position
    • 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
    • A63B60/52—Details or accessories of golf clubs, bats, rackets or the like with slits

Definitions

  • the present invention relates to a putter club which is used in golf primarily for hitting a golf ball on a green.
  • the present invention was conceived in view of the above-described circumstances, and an advantage of the present invention is that a putter club is provided which enables accurate putting by maintaining the angle of the ball-hitting surface with respect to the horizontal plane during the swing.
  • a putter club comprising a shaft (110) having a grip (111) to be firmly held by both hands, and a head (130) provided at a front end of the shaft and having a ball-hitting surface (131), wherein the putter club further comprises a head pivoting mechanism (a rotational shaft 124 and a shaft hole 133) which allows the head to be pivoted by a weight of the head with respect to the shaft which is inclined in a vertical plane (XY plane of FIG. 3 ) by swinging of the putter club, around a rotational axis which is horizontal, which is parallel to the ball-hitting surface, and which passes through a center of mass of the head (a straight line connecting both rotational shafts 124).
  • a head pivoting mechanism a rotational shaft 124 and a shaft hole 133
  • the putter club (100) described in Claim 1 further comprises a lie angle adjusting mechanism (a convex portion 112, a bolt hole 113, a bolt 121, a concave portion 122, and a bolt hole 123) which adjusts a lie angle by rotating the shaft (110) around a second rotational axis (a straight line connecting the bolt hole 113 and the bolt hole 123) which is perpendicular to the ball-hitting surface (131) and fixing the shaft (110).
  • a lie angle adjusting mechanism a convex portion 112, a bolt hole 113, a bolt 121, a concave portion 122, and a bolt hole 123 which adjusts a lie angle by rotating the shaft (110) around a second rotational axis (a straight line connecting the bolt hole 113 and the bolt hole 123) which is perpendicular to the ball-hitting surface (131) and fixing the shaft (110).
  • the head can be pivoted by the weight of the head with respect to the shaft which is inclined within a vertical plane by the swinging, around the rotational axis which is horizontal, which is parallel to the ball-hitting surface, and which passes through the center of mass of the head, the angle of the ball-hitting surface with respect to the horizontal plane during the swing can be maintained so that the fat shots or topping balls can be prevented and accurate putting is enabled. Moreover, fluctuation of the center of mass of the head in the swing direction or the direction opposite to the swing direction during the swing can be prevented and the swing can be stabilized.
  • a lie angle corresponding to a putting style of the player can be set.
  • the putter club according to a preferred embodiment of the present invention is characterized in that the putter club has a head configured to be pivotable around a rotational axis which is parallel to the ball-hitting surface and which passes through the center of mass of the head.
  • a preferred embodiment of the putter club according to the present invention will now be described with reference to FIGs. 1 - 3 .
  • a putter club 100 of the present invention comprises a shaft 110, a fitting member 120 for connecting the shaft 110 and a head 130, and the head 130.
  • a shaft 110 having a circular cylinder shape is made of a material such as steel and carbon, and a certain range of the shaft 110 on an upper end functions as a grip 111 and is covered with a material which can be easily held such as rubber.
  • the head 130 having a rectangular parallelepiped-like shape is primarily made of a metal such as soft iron or alloy stainless, and a front surface of the head 130 becomes a ball-hitting surface 131.
  • a convex portion 112 having a reverse convex shape is formed on a lower end of the shaft 110, the vertices of the tip of the convex portion 112 are smoothed, and the convex portion 112 is machined in a smooth convex spherical shape from the center toward the periphery.
  • Bolt holes 113 which are parallel to an X axis (swing direction) are formed through the convex portion 112 at the center of each side wall of the convex portion.
  • the fitting member 120 has a mechanism for connecting the shaft 110 and the head 130 and for realizing mutual movement with these members.
  • a concave portion 122 is formed on an upper end of the fitting member 120, and a central bottom portion of the concave portion 122 is machined in a smooth concave spherical shape from the center toward the periphery.
  • bolt holes 123 which are parallel to the X axis (swing direction) are formed at the center of both side walls forming the concave portion, through the side walls.
  • the bolt hole 123 on both side walls of the concave portion and the bolt hole 113 of the convex portion 112 are aligned in a straight line, and form a hole of a circular cylinder shape parallel to the X axis.
  • Bolts 121 are inserted from both sides of these holes so that the shaft 110 and the fitting member 120 are connected.
  • the angle between the shaft 110 and the fitting member 120 can be adjusted to a suitable angle.
  • the angle can be fixed at that angle.
  • a lie angle can be adjusted by rotating the head 130 around a straight line passing through the bolt holes 113 and the bolt holes 123 which are perpendicular to the ball-hitting surface 131 and fixing the head 130.
  • a lie angle adjusting mechanism for adjusting the lie angle is formed with the convex portion 112, the bolt hole 113, the bolt 121, the concave portion 122, and the bolt hole 123, by rotating the head 130 around a second rotational axis which is perpendicular to the ball-hitting surface and fixing the head 130.
  • the player can adjust the lie angle to a suitable angle corresponding to the putting style in a state where the bolt 121 is loosened and then fix the lie angle to that angle by tightening the bolt 121.
  • a rotational shaft 124 which is parallel to the ball-hitting surface is provided in a projecting manner on a surface, of the fitting member 120, bellow the concave portion 122, and the other rotational shaft 124 is also similarly provided in a projecting manner on an opposite side on the same circumference over the main body of the fitting member.
  • These rotational shafts 124 are assembled into shaft holes 133 to be described later.
  • a hole 132 penetrating from an upper surface of the head to the bottom surface of the head is formed in the center portion of the head 130.
  • a center of the hole 132 matches the center of the head 130, and the length of the hole 132 in a Z axis direction (stance direction) which is horizontal and perpendicular to the X axis is slightly longer than a diameter of the fitting member 120 and a length in the X axis direction of approximately 3/4 of the head 130.
  • Shaft holes 133 which are parallel to the Z axis are formed in each side wall which is parallel to the X axis forming the hole 132, in communication with the hole 132.
  • the shaft holes 133 are arranged in a same straight line parallel to the Z axis, and the straight line is placed to pass through the center of mass of the head 130.
  • the shaft hole 133 has a width and a length for storing the rotational shafts 124.
  • a guide channel for guiding the rotational shaft 124 to the shaft hole 133 is formed from the bottom surface of the head 130 to the shaft hole 133.
  • the rotational shaft 124 is moved from the bottom surface of the head 130 along the guide channel to the shaft hole 133.
  • the uppermost portion of the rotational shaft 124 and the uppermost portion of the shaft hole 133 contact each other, and the weight of the head 130 is supported by the uppermost portion of the rotational shaft 124.
  • the head 130 becomes pivotable around the rotational shaft 124 which is parallel to the ball-hitting surface 131 and which passes through the center of mass of the head 130.
  • the head 130 pivots by the weight of the head during the swing so that the angle of the ball-hitting surface with respect to the horizontal plane is maintained.
  • a rotational axis which is parallel to the ball-hitting surface 131 and which passes through the center of mass of the head 130 is formed by the straight line connecting the rotational shafts 124.
  • a head pivoting mechanism which allows the head 130 to be pivoted by the weight of the head 130 around the rotational axis during swinging of the putter club 100 is formed by the rotational shaft 124 and the shaft hole 133.
  • the angle of the shaft 110 with respect to the horizontal plane is inclined toward a negative side of the X-axis.
  • the head 130 is pivoted by its own weight, and the angle of the ball-hitting surface 131 with respect to the horizontal plane is maintained.
  • the head 130 is relatively pivoted with respect to the shaft 110 in a counterclockwise direction, and during the swing, the head 130 is relatively pivoted with respect to the shaft 110 in the clockwise direction, so that the angle of the ball-hitting surface with respect to the horizontal plane is maintained. In this manner, the orientation of the head 130 is maintained from the address to the completion of the swing.
  • the center of mass of the head does not exist on an extension line of the grip axis, and is shifted to the positive direction of the X-axis, that is, the swing direction.
  • the constituting elements bellow the rotational shaft including the head are rotationally moved relatively to the shaft toward the negative direction of the X-axis, that is, in a direction opposite to the swing, in a pendulum-like manner.
  • the center of mass of the head moves in a direction opposite to the swing, and, in the stage of the follow-through, the center of mass of the head is shifted in the negative direction of the X-axis compared to the extension line of the grip axis, that is, a direction opposite to the swing.
  • the player would feel the weight of the head in front of the grip during the back-swing, feel as if the grip overtakes the head during the swing, and feel the weight of the head behind the grip in the follow-through. In other words, the player would experience significant difficulty of hitting because of the change of the relative positional relationship between the grip and the center of mass of the head.
  • the rotational shafts 124 are aligned on one straight line which is parallel to the ball-hitting surface 131 and which is horizontal, and the straight line passes through the center of mass of the head 130.
  • the putter club 100 is designed so that the head 130 is pivoted around the straight line as the rotational axis of the head 130. Therefore, as shown in FIG. 3 , the relative positional relationship between the grip and the center of mass of the head does not change from the back swing through the impact to the follow-through, and it is easier to hit the ball compared to the putter club as shown in FIG. 4 .
  • the putter club 100 of the present embodiment it is possible to prevent fluctuation of the center of mass of the head 130 to the swing direction or a direction opposite to the swing direction during the swing, and to stabilize the swing.
  • the best position of the rotational shaft is at the center of mass of the head, and a putter club with the rotational shaft closer to the grip as described in Patent Literature 1 results in difficulty in hitting, and, thus, is not suited.
  • the center of mass of the head 130 is positioned on the extension line of the grip axis as shown in FIG. 3 .
  • the present invention is not limited to such a configuration, and the center of mass of the head 130 does not need to be positioned on the extension line of the grip axis, and may be slightly shifted from the extension line. In this case also, because the rotational axis of the head 130 passes through the center of mass of the head 130, the position of the center of mass with respect to the shaft 110 is fixed.
  • the shaft 110 extends from the upper surface of the head 130 in an upward direction as shown in FIG. 1 .
  • the present invention is not limited to such a configuration, and the shaft 110 may be connected to the rotational shaft 124 passing through the center of mass of the head 130, and is bent toward the upper direction after being extended from the side surface of the head 130, as shown in FIG. 5 .
  • Patent Literature 1 JP Hei 9-192277 A ( FIG. 5 )

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)
EP08831617A 2007-09-20 2008-09-17 Putter Withdrawn EP2191875A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007244501A JP4146884B1 (ja) 2007-09-20 2007-09-20 パタークラブ
PCT/JP2008/002551 WO2009037827A1 (fr) 2007-09-20 2008-09-17 Putter

Publications (2)

Publication Number Publication Date
EP2191875A1 true EP2191875A1 (fr) 2010-06-02
EP2191875A4 EP2191875A4 (fr) 2011-03-30

Family

ID=39787839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08831617A Withdrawn EP2191875A4 (fr) 2007-09-20 2008-09-17 Putter

Country Status (4)

Country Link
US (1) US20100255928A1 (fr)
EP (1) EP2191875A4 (fr)
JP (1) JP4146884B1 (fr)
WO (1) WO2009037827A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879290B1 (ko) * 2018-04-18 2018-07-17 노성준 연습용 골프스틱 어셈블리

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8696486B1 (en) * 2011-03-10 2014-04-15 Callaway Golf Company Adjustable golf club shaft and hosel assembly
US8684859B1 (en) * 2011-03-10 2014-04-01 Callaway Golf Company Adjustable golf club shaft and hosel assembly
JP6187106B2 (ja) * 2013-10-01 2017-08-30 ヤマハ株式会社 パター
JP6355363B2 (ja) * 2014-03-03 2018-07-11 ヤマハ株式会社 ゴルフクラブ
US9573026B2 (en) 2014-03-12 2017-02-21 James T. DeCarlo, JR. Golf putter
US9381405B2 (en) * 2014-08-28 2016-07-05 Cue Golf Management, LLC Golf putter with constrained adjustability
US11110331B2 (en) * 2019-06-06 2021-09-07 Douglas Larry Wilkinson Putter comprising swivelling handle and pivotal club head
GB2595291A (en) * 2020-05-21 2021-11-24 Mcmahon Raymond A putter head and a putter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191328312A (en) * 1914-02-17 1915-01-07 George Francis Pittar Improvements in Golf Clubs.
US1486823A (en) * 1922-11-06 1924-03-11 Edwin C Allen Golf club
US4878666A (en) * 1987-10-09 1989-11-07 Rokuro Hosoda Golf club
US5597362A (en) * 1996-05-21 1997-01-28 Lee; Young J. Interchangeable and adjustable putter
US6348009B1 (en) * 2000-07-19 2002-02-19 Delphi Oracle Corp. Adjustable golf club with hydrodynamic lock-up

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1352020A (en) * 1919-04-23 1920-09-07 Andrew P Olson Golf-club
US2155830A (en) * 1938-09-24 1939-04-25 John J Howard Golf club
US4736951A (en) * 1985-05-28 1988-04-12 Thomas Grant Golf club
US4735414A (en) * 1987-03-02 1988-04-05 Joseph Williams Adjustable golf club
US5580051A (en) * 1994-09-26 1996-12-03 Fisher; Dale P. Adjustable golf club putter
JP3011594U (ja) * 1994-11-25 1995-05-30 則男 織田 ライ角調整２支点パター
US6095929A (en) * 1995-02-16 2000-08-01 Clark; Edward L. Universal putter lie angle adapter for golf club
JPH09103520A (ja) * 1995-10-12 1997-04-22 Akira Kitahara 角度の可変構造を有するゴルフクラブ
JPH09253252A (ja) * 1996-03-27 1997-09-30 Fusetora Kinzoku Kogyo Kk ゴルフ用パター
US6692371B2 (en) * 2001-03-19 2004-02-17 James Edward Berish Stabilized golf club
US20030236128A1 (en) * 2002-06-25 2003-12-25 Jackson George W Universal putter
JP2006326232A (ja) * 2005-05-23 2006-12-07 Hokkaido シャフトとヘッドの間の角度（ライ角）が調節可能なパークゴルフクラブ
JP2007029498A (ja) * 2005-07-28 2007-02-08 Kee Jae Young ゴルフクラブのアセンブリー
JP3122996U (ja) * 2005-11-28 2006-07-06 功 秋山 ゲーム用打球具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191328312A (en) * 1914-02-17 1915-01-07 George Francis Pittar Improvements in Golf Clubs.
US1486823A (en) * 1922-11-06 1924-03-11 Edwin C Allen Golf club
US4878666A (en) * 1987-10-09 1989-11-07 Rokuro Hosoda Golf club
US5597362A (en) * 1996-05-21 1997-01-28 Lee; Young J. Interchangeable and adjustable putter
US6348009B1 (en) * 2000-07-19 2002-02-19 Delphi Oracle Corp. Adjustable golf club with hydrodynamic lock-up

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009037827A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879290B1 (ko) * 2018-04-18 2018-07-17 노성준 연습용 골프스틱 어셈블리

Also Published As

Publication number Publication date
JP4146884B1 (ja) 2008-09-10
EP2191875A4 (fr) 2011-03-30
JP2009072382A (ja) 2009-04-09
WO2009037827A1 (fr) 2009-03-26
US20100255928A1 (en) 2010-10-07

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