JP2005073736A - Golf club head - Google Patents

Golf club head Download PDF

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Publication number
JP2005073736A
JP2005073736A JP2003304491A JP2003304491A JP2005073736A JP 2005073736 A JP2005073736 A JP 2005073736A JP 2003304491 A JP2003304491 A JP 2003304491A JP 2003304491 A JP2003304491 A JP 2003304491A JP 2005073736 A JP2005073736 A JP 2005073736A
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Japan
Prior art keywords
portion
face
golf club
club head
part
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Granted
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JP2003304491A
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Japanese (ja)
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JP4292040B2 (en
Inventor
Toshimichi Yamaguchi
利道 山口
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Daiwa Seiko Inc
ダイワ精工株式会社
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Priority to JP2003304491A priority Critical patent/JP4292040B2/en
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Publication of JP4292040B2 publication Critical patent/JP4292040B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To increase carry by making it possible to increase the initial speed of a ball after attaining the stabilization of the directivity of the hit ball. <P>SOLUTION: A thicker section 20 is formed along the face surface of a face section 13 in a manner to be connected in the toe-heel direction on the face section 13 side on the internal wall of the crown section 11 of a head body 10 made of a metal. Then, on the thicker section 20, a recessed stripe 21 is provided along the face surface in a manner to be connected in the toe-heel direction to constitute this golf club head. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a golf club head including a metallic head body formed, for example, in a hollow structure.

  In general, this type of golf club head is composed of a plurality of members made of a metal material such as stainless steel, aluminum alloy, titanium, titanium alloy or the like in a desired shape by a technique such as casting, forging, or pressing, and fiber reinforced resin (FRP). The members formed in (1) are combined into a hollow structure by welding or bonding.

  By the way, in such a golf club head, as means for increasing the flight distance of the ball when hit by the face surface, there are a plurality of points along the periphery of the face surface in the vicinity of the face surface in the crown portion of the head body. A head structure having a plurality of slit rows in which slots are provided on a substantially straight line at a predetermined interval is formed in parallel with a predetermined interval, and the slits of each slit row are arranged in a staggered pattern. (For example, refer to Patent Document 1). In the case of this head structure, due to the action of the spring support structure between the slit rows, the deformation period of the head body is synchronized with the deformation period of the ball, and the flight distance of the ball hit by the face portion is improved.

Further, as a means for increasing the flight distance of the ball, a head structure in which a thin groove or a through hole is formed in the face portion or the crown portion, and the flight distance is improved by increasing the relative change of the face portion. (For example, refer to Patent Document 1).
JP-A-6-190088 Japanese Patent Laid-Open No. 10-263118

  However, the head structure disclosed in Patent Document 1 has a structure in which a slit row is formed in the crown portion to provide springiness, so that the vicinity of the ball hitting portion is deformed, and the deformation direction of the face surface differs depending on the hitting ball position. Thus, there is a disadvantage that the directionality of the hit ball varies.

  In addition, the head structure of Patent Document 2 facilitates deformation, has a large deformation allowable range, and easily deforms the vicinity of the ball hitting portion. Therefore, the deformation direction of the face surface differs depending on the hitting position, and the direction of hitting is There is a disadvantage that variation occurs.

  The present invention has been made in view of the above circumstances, and provides a golf club head that realizes an improvement in flight distance so as to improve the initial velocity of the ball after stabilizing the directionality of the hit ball The purpose is to do.

  The present invention provides a golf club head having a hollow metal head body, which is continuous in the toe-heel direction of the head body on the face portion side of the inner wall of the crown portion of the head body, and the face surface of the face portion A thick portion is formed along the head portion, and a concave strip portion formed along the face surface of the face portion is provided on the thick portion so as to be continuous in the toe-heel direction of the head body.

  According to the above-described configuration, the crown portion is substantially parallel to the face surface as a whole because the deflection of the thick portion of the crown portion is restricted to be substantially parallel to the face surface of the face portion when the ball is hit. It bends in a balanced state. Therefore, even if the hitting position with respect to the face surface is slightly different, the directionality of the hitting ball is substantially stabilized, and a sufficient repulsive force is obtained by the concave portion of the thick part, and a desired initial ball speed can be achieved. The flight distance can be improved.

  As described above, according to the present invention, it is possible to provide a golf club head that realizes an improvement in flight distance so as to improve the initial velocity of the ball after stabilizing the directionality of the hit ball. Can do.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a golf club head according to an embodiment of the present invention. A head body 10 is crowned by casting, forging, pressing or the like from a suitable metal material such as titanium, titanium alloy, or stainless steel. It is formed in a hollow structure composed of a part 11, a soul part 12, and a face part 13 for hitting a ball. The head body 10 is formed as a metal hollow wood head having a hollow outer shell structure in which the back portion 101 protrudes rearward.

  The head body 10 is provided with a shaft fixing portion 14 protruding from the crown portion 11 on the heel 102 side. The shaft fastening portion 14 is formed in a cylindrical shape slightly inclined in the direction of the heel 102, and the tip of the shaft 15 formed of a metal such as stainless steel or fiber reinforced resin is inserted through the socket 16 and bonded to the shaft. Worn. The protruding length of the shaft fastening portion 14 from the crown portion 11 can be adjusted as appropriate, and is not limited to the structure slightly protruding from the crown portion 11 as shown, but is formed on the same surface as this. Alternatively, it can be recessed.

  Here, the face portion 13 has a cross-sectional shape that curves in the direction of the toe 103 and the heel 102 and slightly in the crown and sole directions (see FIG. 2), and the sweet spot of the face portion 13 is the head body. It is opposed to 10 centroids G. In the crown portion 11 of the head main body 10, a thick portion 20 for increasing the repulsive force is formed continuously on the face portion 13 side of the inner wall, for example, in the direction of the toe 103 and the heel 102 of the face portion 13.

  The thick portion 20 is formed such that the thickness dimension t1 thereof is t1> t2 with respect to the thickness dimension t2 of the crown portion 11. For example, when the thickness t2 of the crown portion 11 is 0.6 to 1.0 mm, the thickness t1 of the thick portion 20 is set to 1.0 to 1.7 mm. The thick portion 20 is provided with a plurality of concave strip portions 21 extending in the direction of the toe 103 and the heel 102 along the face surface of the face portion 13, for example, with a predetermined interval in a curved shape. They are formed in parallel. When the concave portion 21 is hit by the face surface of the face portion 13 and is bent, the thick portion 20 is regulated to be bent substantially parallel to the face surface by the thick portion 20, and the ball is caused by a substantially parallel repulsive force. Acts like pushing out.

  The concave strip portion 21 has a width dimension of 0.5 to 4.0 mm, preferably 1 to 1.5 mm, and a depth dimension of 0.1 to 0.5 mm, preferably 0.1 to 0 mm. Set to 2 mm.

  The crown portion 11 has a plurality of protruding ribs 22 extending in the face surface direction intersecting the face surface of the face portion 13 on the back portion 101 side of the inner wall, and arranged in parallel at predetermined intervals. It is formed. The rib 22 restricts the deflection of the crown portion 11 on the back portion 101 side when the face portion 13 is hit. For example, when two ribs 22 are provided, the rib 22 is substantially symmetrically parallel to the center of gravity G or has a predetermined inclination. When three or more are provided, they are provided with the center of gravity G as the center or with a predetermined inclination angle.

  The thick portion 20 and the rib 22 provided with the concave strip portion 21 are located at a position H where the end portion of the thick portion 20 on the back portion 101 side and the rib 22 on the face portion 13 side protrudes most on the crown portion 11. That is, it is formed excluding a predetermined range including a position farthest from a line connecting a vertex position A on the crown portion 11 side in the curved portion of the back portion 101 and a vertex position B on the crown side in the curved portion of the face portion 13. The

  With the above configuration, when a ball is hit on the face surface of the face portion 13, the crown portion 11 causes the concave portion 21 of the thick portion 20 on the face portion 13 side to be substantially parallel to the face surface. In addition to being bent, the back portion 101 side is restrained from being bent by the rib 21 and the rebound energy is concentrated on the face surface side. Here, the crown portion 11 efficiently applies a repulsive force to the ball hit by the face surface of the face portion 13 to increase the initial velocity of the ball and improve the flight distance. At this time, even when the hit position of the face portion 13 is slightly different from the sweet spot, a repulsive force substantially parallel to the face surface is applied by the concave portion 21 of the crown portion 11. Thus, substantially the same stable directionality can be obtained.

  As described above, the golf club head is continuous in the toe-heel direction on the face 13 side of the inner wall of the crown portion 11 of the metal head main body 10, and forms the thick portion 20 along the face surface of the face portion 13. The thick portion 20 is continuous in the toe-heel direction, and a concave portion 21 is provided along the face surface.

  According to this, at the time of hitting with the face surface of the face portion 13, the crown portion 11 is regulated so that the bending generated in the concave portion 21 is bent substantially parallel to the face surface by the thick portion 20. Thus, it acts as if the ball is pushed out by a substantially parallel repulsive force. Thereby, the repulsive force with respect to the ball hit by the face surface of the face part 13 can be efficiently provided, the initial velocity of the ball can be increased, and the flight distance can be improved. At this time, even when the face portion 13 hits the ball at a slightly different position from the sweet spot, the crown portion 11 applies a repulsive force substantially parallel to the face surface, so that the face portion 13 is substantially the same. Stable directionality can be obtained.

  Further, a plurality of ribs 22 extending in a direction intersecting the face surface of the face portion 13 are arranged on the back portion 101 side of the inner wall of the crown portion 11 of the head body 10. According to this, the back portion 101 side of the crown portion 11 is regulated by the rib 22 so that the deflection on the back portion 101 side is restricted and the repulsive energy can be concentrated on the face surface side, thereby further improving the flight distance. Can be achieved.

  In addition, in the said embodiment, although demonstrated in the case where it comprised so that the several concave strip part 21 might be provided, it is not restricted to this, For example, it is provided so that only one concave strip part 21 may be provided in the thick part 20. It may be configured.

  Further, in the above-described embodiment, the description has been given of the case where the substantially curved concave portion 21 is arranged so as to be along the face surface of the face portion 13. It is also possible to configure 21 so as to be formed along a substantially straight line and to be arranged along the face surface of the face portion 13.

  The present invention is not limited to the above-described embodiment. In addition, substantially the same effect can be expected even when configured as shown in FIGS. 3, 4, 5, 6, and 7. However, in FIG. 3 to FIG. 7, the same parts as those in FIG. 1 and FIG.

  First, in the embodiment shown in FIGS. 3 and 4, a plurality of substantially straight protrusions 30 constituting the elastic deformation restricting portion are provided along the face surface on the face portion 13 side of the inner wall of the crown portion 11. Are formed substantially in parallel with each other. For example, at the time of hitting the ball, the protruding portion 30 restricts the bending of the crown portion 11 at a predetermined interval and acts so that the face portion 13 of the crown portion 11 is bent substantially parallel to the face surface. Apply power to the ball. At this time, the face surface of the face portion 13 is bent substantially parallel to the surface, so that a desired directionality can be ensured even when the hit point positions are different.

  On the back portion 101 side of the inner wall of the crown portion 11, a plurality of, for example, two ribs 31 are formed extending in the face surface direction intersecting the face surface of the face portion 13. Of these protrusions 30 and ribs 31, end portions of the protrusions 30 and ribs 31 arranged closest to the back part 101 side on the face surface side are the positions H where the crown part 11 protrudes most, that is, the back part 101. It is formed excluding a predetermined range including a position farthest from a line connecting a vertex position A on the crown portion 11 side in the curved portion and a vertex position B on the crown portion 11 side in the curved portion of the face portion 13.

  Of these, the two ribs 31 are provided substantially in parallel in FIG. 4. However, the present invention is not limited to this, and the ribs 31 may be provided so as to be inclined with respect to the face surface of the face portion 13. May be. The other protrusion 30 is configured to be formed on a substantially straight line in FIG. 4, but is not limited to this, and is formed in a substantially curved shape and formed along the face surface of the face portion 13. It is also possible.

  In the embodiment of FIGS. 3 and 4 described above, a case has been described where a plurality of protrusions 30 are provided. However, the present invention is not limited to this. For example, only one protrusion 30 is a crown part. 11 may be provided on the inner wall.

  Further, in the embodiment of FIG. 3 and FIG. 4 described above, the description has been given of the case where the elastic deformation regulating protrusion 30 is provided. However, the present invention is not limited to this, and the crown 30 can be used instead of the protrusion 30. It is also possible to provide a concave strip portion that constitutes an elastic deformation restricting portion on the inner wall of the portion 11 in the same manner along the face surface of the face portion 13. When the concave strip portion as the elastic deformation regulating portion is provided on the inner wall of the crown portion 11, the crown portion along the concave strip portion restricts the bending, and substantially the same effect is expected.

  In the embodiment shown in FIG. 5, on the face 13 side of the inner wall of the crown part 11, a plurality of substantially curved ridges 40 constituting the elastic deformation restricting part have a predetermined interval along the face surface. Formed substantially in parallel. Further, on the back portion 101 side of the inner wall of the crown portion 11, the face surface in which a plurality of, for example, three ribs 41 arranged with a predetermined interval as described later intersect the face surface of the face portion 13. It is formed extending in the direction.

  Of these ridges 40 and ribs 41, end portions on the face surface side of the ridges 40 and ribs 41 arranged closest to the back part 101 side are positions H where the crown part 11 protrudes most, that is, the back part 101. It is formed excluding a predetermined range including a position farthest from a line connecting a vertex position A on the crown portion 11 side in the curved portion and a vertex position B on the crown portion 11 side in the curved portion of the face portion 13.

  Among these, the three ribs 41 are arranged such that the center part is arranged corresponding to the center of gravity G, and both end parts have a predetermined inclination angle and intersect the protruding part 40. The three ribs 41 may be arranged so as to be substantially parallel to each other so as to intersect the face surface of the face portion 13 without being inclined to each other. The other protrusion 40 is formed in a substantially curved shape in FIG. 5, but is not limited to this, and is formed on a substantially straight line and along the face surface of the face portion 13. It is also possible.

  Further, in the embodiment of FIG. 5 described above, the case where the protrusion 40 is provided as the elastic deformation restricting portion on the face 13 side of the inner wall of the crown portion 11 has been described. Further, it is also possible to configure the concave strip portion as the elastic deformation restricting portion in place of the projecting strip portion 40.

  Further, in the embodiment shown in FIGS. 6 and 7, a plurality of substantially straight ridge portions 50 are arranged at predetermined intervals along the face surface of the face portion 13 on the face portion 13 side of the inner wall of the crown portion 11. It is formed. The concave portion 50 is located at the most protruding position H of the crown portion 11, that is, the apex position A on the crown portion 11 side in the curved portion of the back portion 101 and the apex on the crown portion 11 side in the curved portion of the face surface of the face portion 13. It is provided up to the vicinity of the position farthest from the line connecting the positions B.

  On the back portion 101 side of the inner wall of the crown portion 11, a plurality of, for example, two ribs 51 are formed so as to extend in the face surface direction intersecting the face surface. The rib 51 has an end portion on the face portion 13 side at the most protruding position H of the crown portion 11, that is, the apex position A on the crown portion 11 side in the curved portion of the back portion 101 and the curvature of the face surface of the face portion 13. It is formed excluding a predetermined range including a position farthest from the line connecting the apex positions B on the crown portion 11 side in the portion.

  Of these, the two ribs 51 are provided substantially in parallel in FIG. 7. However, the present invention is not limited to this, and other ribs 51 may be provided so as to be inclined with respect to the face surface. The other concave line portion 50 is configured to be formed on a substantially straight line in FIG. 7, but is not limited thereto, and is formed in a substantially curved shape and formed along the face surface of the face portion 13. May be.

  In the embodiment of FIGS. 6 and 7 described above, the case has been described where the concave strip portion 50 is provided directly on the face portion 13 side of the inner wall of the crown portion 11, but the present invention is not limited to this. In addition, for example, it is also possible to form a thick part and similarly provide the concave part 50 in this thick part.

  Therefore, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention at the stage of implementation. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements.

  For example, even if some constituent elements are deleted from all the constituent elements shown in the embodiment, the problems described in the column of problems to be solved by the invention can be solved, and the effects described in the effects of the invention can be obtained. In some cases, a configuration from which this configuration requirement is deleted can be extracted as an invention.

1 is a perspective view showing an external configuration of a golf club head according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a cross section CC of the head body of FIG. 1. It is sectional drawing which cut and showed the principal part of the golf club head which concerns on other embodiment of this invention. It is the perspective view which showed the arrangement | positioning relationship of the groove part and rib in the head main body of FIG. It is the perspective view which showed the arrangement configuration of the golf club head which concerns on other embodiment of this invention. It is sectional drawing which cut and showed the principal part of the golf club head which concerns on other embodiment of this invention. It is the perspective view which showed the arrangement | positioning relationship of the groove part and rib in the head main body of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Head main body, 101 ... Back part, 102 ... Heel, 103 ... Toe, 11 ... Crown part, 12 ... Sole part, 13 ... Face part, 14 ... Shaft fastening part, 15 ... Shaft, 16 ... Socket, 20 ... Thick part, 21 ... concave part, 21 ... rib, 30 ... ridge part, 31 ... rib, 40 ... ridge part, 41 ... rib, 50 ... concave part, 51 ... rib.

Claims (8)

  1. A golf club head having a hollow metal head body,
    A thick part is formed along the face surface of the face part on the face part side of the inner wall of the crown part of the head body in the toe-heel direction of the head body, and a toe part of the head body is formed on the thick part. A golf club head characterized in that a concave strip formed along the face surface of the face portion is provided in the heel direction.
  2.   The thick part and the concave line part except for a range including a part that protrudes most in a substantially vertical direction from a line segment connecting the face part side end part and the back part side end part of the crown part in the cross section of the face surface central part. The golf club head according to claim 1, wherein the golf club head is formed.
  3. A golf club head having a hollow metal head body,
    A golf club head comprising an elastic deformation restricting portion which is continuous in a toe-heel direction of the head main body on a face portion side of a crown portion inner wall of the head main body and along a face surface of the face portion.
  4.   The elastic deformation restricting portion is formed excluding a range including a portion that protrudes most in a substantially vertical direction from a line segment connecting a face portion side end portion and a back portion side end portion of the crown portion in the cross section of the center portion of the face surface. The golf club head according to claim 3.
  5.   5. The apparatus according to claim 1, further comprising a plurality of ribs extending in a face surface direction intersecting with a face surface of the face portion on a back portion side of the inner wall of the crown portion of the head main body. Golf club head.
  6.   The plurality of ribs are formed excluding a range including a portion that protrudes most in a substantially vertical direction from a line segment connecting a face side end portion and a back portion side end portion of the crown portion in the cross section of the central portion of the face surface. The golf club head according to claim 1, wherein the golf club head is a golf club head.
  7. A golf club head having a hollow metal head body,
    A concave strip formed along the face surface of the face portion, which is continuous in the toe-heel direction of the head body on the face portion side of the inner wall of the crown portion of the head body;
    A plurality of ribs extending in the face surface direction intersecting the face surface of the face portion on the back portion side of the inner wall of the crown portion of the head body;
    A golf club head comprising:
  8.   The elastic deformation portion and the plurality of ribs exclude a range including a portion that protrudes most in a substantially vertical direction from a line segment connecting a face portion side end portion and a back portion side end portion of a crown portion in a cross section of the center portion of the face surface. The golf club head according to claim 7, wherein the golf club head is formed.
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GB2442842A (en) * 2006-10-13 2008-04-16 Bridgestone Sports Co Ltd Golf club head
JP2009106650A (en) * 2007-10-31 2009-05-21 Daiwa Seiko Inc Golf club
JP2011024649A (en) * 2009-07-22 2011-02-10 Sri Sports Ltd Golf club head
GB2477049A (en) * 2006-07-31 2011-07-20 Karsten Mfg Corp Golf club head with reinforced crown
US8414421B2 (en) 2006-07-31 2013-04-09 Karsten Manufacturing Corporation Golf club head with reinforced crown
US8523704B2 (en) 2006-07-31 2013-09-03 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
JP2013544178A (en) * 2010-11-30 2013-12-12 ナイキ インターナショナル リミテッド Golf club head or other ball striking device having a face plate with distributed impact repulsion and stiffening
JP2014100381A (en) * 2012-11-21 2014-06-05 Bridgestone Sports Co Ltd Golf club head
US8821312B2 (en) 2010-06-01 2014-09-02 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature with aperture
US8827831B2 (en) 2010-06-01 2014-09-09 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature
US9089749B2 (en) 2010-06-01 2015-07-28 Taylor Made Golf Company, Inc. Golf club head having a shielded stress reducing feature
US9126084B2 (en) 2006-07-31 2015-09-08 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US9168428B2 (en) 2010-06-01 2015-10-27 Taylor Made Golf Company, Inc. Hollow golf club head having sole stress reducing feature
US9242152B2 (en) 2006-07-31 2016-01-26 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US9314676B2 (en) 2013-10-02 2016-04-19 Karsten Manufacutring Corporation Golf club heads with ribs and related methods
US9358430B2 (en) 2010-12-31 2016-06-07 Taylor Made Golf Company, Inc. High loft, low center-of-gravity golf club heads
JP2016106885A (en) * 2014-12-08 2016-06-20 ブリヂストンスポーツ株式会社 Golf club head
US9623295B2 (en) 2008-07-15 2017-04-18 Taylor Made Golf Company, Inc Aerodynamic golf club head
US9662545B2 (en) 2002-11-08 2017-05-30 Taylor Made Golf Company, Inc. Golf club with coefficient of restitution feature
US9682294B2 (en) 2008-07-15 2017-06-20 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US9770632B2 (en) 2012-05-31 2017-09-26 Nike, Inc. Golf club head or other ball striking device having impact-influencing body features
US9861864B2 (en) 2013-11-27 2018-01-09 Taylor Made Golf Company, Inc. Golf club
US9950221B2 (en) 2008-07-15 2018-04-24 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US9993701B2 (en) 2016-04-20 2018-06-12 Bridgestone Sports Co., Ltd. Golf club head
US10080934B2 (en) 2002-11-08 2018-09-25 Taylor Made Golf Company, Inc. Golf club with coefficient of restitution feature
US10150016B2 (en) 2014-07-22 2018-12-11 Taylor Made Golf Company, Inc. Golf club with modifiable sole and crown features adjacent to leading edge
US10155141B2 (en) 2016-12-08 2018-12-18 Bridgestone Sports Co., Ltd. Golf club head
US10427012B2 (en) 2006-07-31 2019-10-01 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US10449424B2 (en) 2013-10-02 2019-10-22 Karsten Manufacturing Corporation Golf club heads with ribs and related methods

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US9662545B2 (en) 2002-11-08 2017-05-30 Taylor Made Golf Company, Inc. Golf club with coefficient of restitution feature
US10080934B2 (en) 2002-11-08 2018-09-25 Taylor Made Golf Company, Inc. Golf club with coefficient of restitution feature
US9814948B2 (en) 2006-07-31 2017-11-14 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US9242152B2 (en) 2006-07-31 2016-01-26 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US8425347B2 (en) 2006-07-31 2013-04-23 Karsten Manufacturing Corporation Golf club head with reinforced crown
GB2477049A (en) * 2006-07-31 2011-07-20 Karsten Mfg Corp Golf club head with reinforced crown
GB2477445A (en) * 2006-07-31 2011-08-03 Karsten Mfg Corp Golf club head with reinforced crown
GB2477445B (en) * 2006-07-31 2011-09-14 Karsten Mfg Corp Golf club head with reinforced crown
GB2477049B (en) * 2006-07-31 2011-09-14 Karsten Mfg Corp Golf club head with reinforced crown
US8414421B2 (en) 2006-07-31 2013-04-09 Karsten Manufacturing Corporation Golf club head with reinforced crown
US9126084B2 (en) 2006-07-31 2015-09-08 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US8523704B2 (en) 2006-07-31 2013-09-03 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US9295886B2 (en) 2006-07-31 2016-03-29 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US9333402B2 (en) 2006-07-31 2016-05-10 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
US10427012B2 (en) 2006-07-31 2019-10-01 Karsten Manufacturing Corporation Golf club heads with ribs and related methods
GB2442842A (en) * 2006-10-13 2008-04-16 Bridgestone Sports Co Ltd Golf club head
US7819759B2 (en) 2006-10-13 2010-10-26 Bridgestone Sports Co., Ltd. Golf club head
JP2008093268A (en) * 2006-10-13 2008-04-24 Bridgestone Sports Co Ltd Golf club head
JP2009106650A (en) * 2007-10-31 2009-05-21 Daiwa Seiko Inc Golf club
US9682294B2 (en) 2008-07-15 2017-06-20 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US9623295B2 (en) 2008-07-15 2017-04-18 Taylor Made Golf Company, Inc Aerodynamic golf club head
US9950221B2 (en) 2008-07-15 2018-04-24 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US10052531B2 (en) 2008-07-15 2018-08-21 Taylor Made Golf Company, Inc Aerodynamic golf club head
US10363463B2 (en) 2008-07-15 2019-07-30 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US9950224B2 (en) 2008-07-15 2018-04-24 Taylor Made Golf Company, Inc Aerodynamic golf club head
US10500451B2 (en) 2008-07-15 2019-12-10 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US10391366B2 (en) 2008-07-15 2019-08-27 Taylor Made Golf Company, Inc. Aerodynamic golf club head
JP2011024649A (en) * 2009-07-22 2011-02-10 Sri Sports Ltd Golf club head
US9174101B2 (en) 2010-06-01 2015-11-03 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature
US10369429B2 (en) 2010-06-01 2019-08-06 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature and shaft connection system socket
US9566479B2 (en) 2010-06-01 2017-02-14 Taylor Made Golf Company, Inc. Golf club head having sole stress reducing feature
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