US20180296887A1 - Golf club head - Google Patents

Golf club head Download PDF

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Publication number
US20180296887A1
US20180296887A1 US15/952,856 US201815952856A US2018296887A1 US 20180296887 A1 US20180296887 A1 US 20180296887A1 US 201815952856 A US201815952856 A US 201815952856A US 2018296887 A1 US2018296887 A1 US 2018296887A1
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United States
Prior art keywords
face
region
golf club
club head
head according
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.)
Abandoned
Application number
US15/952,856
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English (en)
Inventor
Yuki MOTOKAWA
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.)
Sumitomo Rubber Industries Ltd
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Sumitomo Rubber Industries Ltd
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Filing date
Publication date
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Assigned to SUMITOMO RUBBER INDUSTRIES, LTD. reassignment SUMITOMO RUBBER INDUSTRIES, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MOTOKAWA, YUKI
Publication of US20180296887A1 publication Critical patent/US20180296887A1/en
Abandoned 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
    • A63B53/04—Heads
    • A63B53/0466—Heads wood-type
    • 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
    • A63B53/0437—Heads with special crown configurations
    • A63B2053/0437—
    • A63B2053/0441—
    • 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
    • A63B53/0441—Heads with visual indicators for aligning the golf club

Definitions

  • the present invention relates to a golf club head.
  • golf club heads have been proposed in which a raised portion extending in the toe-heel direction is provided on the crown portion and a sloped surface is formed as a step between the raised portion and the portion rearward thereof (e.g., JP 2015-29628A). A golfer, by sighting this step, is better able to determine the direction of the shot at address.
  • JP 2015-29628A is an example of related art.
  • golfers in order to better catch the ball or to prevent slicing, sometimes intentionally grip the club at address with the face rotated in a direction that closes the face (e.g., in a direction whereby the face is turned to the left of the target direction in the case of a right-handed club).
  • “better catching the ball” refers, for example, to ensuring that the ball is not launched to the right of the intended launch direction (left-right direction), in the case of a right-handed golfer.
  • golfers normally address the ball such that the orientation of the face (e.g., orientation of the upper end edge of the face in the case of a wood-type golf club) is perpendicular to a target line (target direction) as a reference at address.
  • the orientation of the face is not perpendicular to the target direction, possibly giving rise to a sense of incongruity.
  • a golf club head includes a face portion, a crown portion and a sole portion, the crown portion including a first region extending in a toe-heel direction along at least part of the face portion, a second region arranged further on a back side than the first region, and a step region extending in the toe-heel direction between the first region and the second region and extending downward toward the second region from the first region side, the first region being formed to at least extend from a position Ph that is 20 mm on a heel side to a position Pt that is 25 mm on a toe side based on a face center, and a width Dh of the first region in a face-back direction at the position Ph and a width Dt of the first region in the face-back direction at the position Pt satisfying 1 ⁇ (Dt/Dh) ⁇ 1.35.
  • a difference between the width Dh and the width Dt can be set to 6 mm or less.
  • a length of the first region in the face-back direction can be set to 5 to 30 mm, between the position Ph and the position Pt.
  • an angle ⁇ formed by a straight line connecting the position Ph and the position Pt at an end edge on a face side of the first region and a straight line connecting the position Ph and the position Pt at the end edge on a back side of the first region can be configured to satisfy 0 degrees ⁇ 8 degrees.
  • a face angle FA of the face portion can be configured to satisfy ⁇ 5 degrees ⁇ FA ⁇ 0 degrees.
  • the sense of incongruity can be reduced even when the face is closed at address.
  • FIG. 1 is a perspective view of a golf club head according to the present embodiment as seen from the face side.
  • FIG. 2 is a perspective view of the golf club head in FIG. 1 as seen from the back side.
  • FIG. 3 is a plan view of a reference state of the head in FIG. 1 .
  • FIG. 4 is a cross-sectional view along an A-A line in FIG. 3 .
  • FIG. 5A is a diagram illustrating the boundary of a face portion.
  • FIG. 5B is a diagram illustrating the boundary of the face portion.
  • FIG. 6 is a plan view showing the head at address.
  • FIGS. 7A to 7C are plan views showing other examples of the raised portion.
  • FIG. 1 is a perspective view of this golf club head as seen from the face side
  • FIG. 2 is a perspective view of this golf club head as seen from the back side
  • FIG. 3 is a plan view of the head in a reference state
  • FIG. 4 is a cross-sectional view along an A-A line in FIG. 3 . Note that the reference state of the golf club head will be discussed later.
  • this golf club head (hereinafter, may be simply referred to as “head”) 100 is a wood-type golf club head having a hollow structure with an internal space, and a wall surface is formed by a face portion 1 , a crown portion 2 , a sole portion 3 and a hosel portion 4 .
  • the present invention is applicable to golf club heads such as utilities, fairway woods and drivers.
  • the face portion 1 has a face surface which is the surface that hits the ball, and the crown portion 2 adjoins the face portion 1 and constitutes the upper surface of the head 100 .
  • the sole portion 3 mainly constitutes the bottom surface of the head 100 , and constitutes the outer peripheral surface of the head 100 other than the face portion 1 and the crown portion 2 . That is, besides the bottom surface of the head 100 , the region extending from the toe side of the face portion 1 around the back side of the head to the heel side of the face portion 1 is also part of the sole portion 3 .
  • the hosel portion 4 is a region that is provided adjoining the heel side of the crown portion 2 , and has an insertion hole 41 into which the shaft (illustration omitted) of the golf club is inserted. A center axis line Z of this insertion hole 41 coincides with the axis line of the shaft.
  • the reference state when setting the golf club head 100 on the ground will be described.
  • a state where the above center axis line Z is contained in a plane P 1 that is perpendicular to the ground and the head is placed on the ground at a predetermined lie angle and real loft angle is prescribed as the reference state.
  • the above plane P 1 will be referred to as the reference perpendicular plane.
  • the direction that is orthogonal to the toe-heel direction and the face-back direction may be referred to as the up-down direction.
  • the boundary between the face portion 1 and the crown portion 2 and between the face portion 1 and the sole portion 3 can be defined as follows. That is, in the case where a ridgeline is formed therebetween, this ridgeline will be the boundary. On the other hand, in the case where a clear ridgeline is not formed, in each of cross-sections E 1 , E 2 , E 3 and so forth that contain a straight line N connecting a head center of gravity G and a sweet spot SS, as shown in FIG. 5A , a position Pe at which a curvature radius r of a contour line Lf of the face outer surface first reaches 200 mm in a direction toward the face outer side from the sweet spot side, as shown in FIG.
  • the sweet spot SS is the point of intersection between the normal (straight line N) of the face surface that passes through the head center of gravity G and this face surface.
  • the boundary between the crown portion 2 and the sole portion 3 can be defined as follows. That is, in the case where a ridgeline is formed between the crown portion 2 and the sole portion 3 , this ridgeline will be the boundary. On the other hand, in the case where a clear ridgeline is not formed therebetween, the contour when the head is set in the reference state and viewed from directly above the center of gravity of the head 100 will be the boundary.
  • the head 100 can, for example, be formed with a titanium alloy (Ti-6Al-4V) having a specific gravity of substantially about 4.4 to 4.5. Also, apart from a titanium alloy, the head can also be formed using one or two or more materials selected from stainless steel, maraging steel, an aluminum alloy, a magnesium alloy and an amorphous alloy, for example.
  • a titanium alloy Ti-6Al-4V
  • the head can also be formed using one or two or more materials selected from stainless steel, maraging steel, an aluminum alloy, a magnesium alloy and an amorphous alloy, for example.
  • the volume of this golf club head 100 is from 80 cm 3 to 460 cm 3 inclusive, for example.
  • the golf club head 100 is constituted, as shown in FIG. 4 , by assembling a head main body 101 having a crown portion 2 and a sole portion 3 and a cup-shaped face member 102 having a face portion 1 and a peripheral portion 15 extending from the periphery of the face portion.
  • This head main body 101 has an opening 18 enclosed by the crown portion 2 and the sole portion 3 , and the face member 102 is attached so as to close off this opening 18 . That is, an end face of the peripheral portion 15 of the face member 102 is butted against an end face of the opening 18 of the head main body 101 , and these portions are joined by welding (so-called cup face structure).
  • the face member 102 is integrated with the head main body 101 , by being attached to an edge portion of the opening 18 of the head main body 101 , and the peripheral portion 15 of the face member 102 thereby functions as part of the crown portion 2 and the sole portion 3 of the head 100 .
  • the surface that is integrally formed as a result of the peripheral portion 15 of the face member 102 being attached to the head main body 101 constitutes the crown portion 2 and the sole portion 3 of the head 100 .
  • the crown portion 2 and the sole portion 3 of the head main body 101 are part of the crown portion 2 and the sole portion 3 of the head 100 , although, in this specification, these portions of the head main body 101 may also be referred to simply as the crown portion 2 and the sole portion 3 , without making this distinction.
  • the crown portion 2 is constituted by a raised portion (first region) 21 that is arranged on the face portion side and a base portion (second region) 22 that is arranged further on the back side than the raised portion 21 .
  • the raised portion 21 is mainly a band-like region extending in the toe-heel direction along the face portion 1 , with the respective end portions on the toe and heel sides extending slightly to the back side along the periphery of the crown portion 2 , and is formed as a whole to be U-shaped in plan view. Accordingly, the end edge on the back side of the raised portion 21 is slightly curved.
  • the base portion 22 is a region that occupies most of the crown portion 2 at a lower position than the raised portion 21 , and the periphery thereof contacts the sole portion 3 .
  • a sloped surface (step region) 23 that constitutes a step is formed on the boundary between the raised portion 21 and the base portion 22 . The height of the face portion 1 in the up-down direction is thereby increased by the amount of the step between the raised portion 21 and the base portion 22 .
  • This sloped surface 23 is configured so as to extend upward, moving toward the face portion 1 side.
  • the sloped surface 23 can thereby be sighted from above, when the golf club head 100 is set in the reference state. That is, the sloped surface can be sighted by the golfer at address.
  • the sloped surface 23 is formed along the raised portion 21 , and is thus formed to be U-shaped in plan view, similarly to the raised portion 21 .
  • a width D of the raised portion 21 in the face-back direction can be prescribed as follows. That is, a position Pt that is 25 mm on the toe side and a position Ph that is 20 mm on the heel side from the face center C are prescribed.
  • the raised portion 21 is formed such that Dt and Dh satisfy the following in equation (1), where Dt is the width of the raised portion at the position Pt and Dh is the width of the raised portion 21 at the position Ph.
  • (Dt/Dh) is preferably 1.3 or less, and more preferably 1.25 or less. Also, (Dt/Dh) is preferably 1.05 or more, and more preferably 1.1 or more.
  • the raised portion 21 is formed such that Dt is greater than Dh.
  • the lengths of Dt and Dh are, for example, preferably set such as shown in the following in equations (2) and (3).
  • the width D of the raised portion 21 preferably satisfies the following in equation (4).
  • a difference Dn between Dt and Dh is preferably set as follows.
  • Dn is more preferably set to 5 mm or less, and is particularly preferably set to 4 mm or less.
  • a straight line L 1 connecting an end edge Pt 1 on the face side of the raised portion 21 at the position Pt and an end edge Ph 1 on the face side of the raised portion 21 at the position Ph is prescribed.
  • a straight line L 2 connecting an end edge Pt 2 on the back side of the raised portion 21 at the position Pt and an end edge Ph 2 on the back side of the raised portion 21 at the position Ph is prescribed.
  • an angle ⁇ formed by the straight line L 1 and the straight line L 2 preferably satisfies the following in equation (6).
  • an arbitrary point Po is determined generally in a vicinity of the middle of the face portion 1 (face surface) in the toe-heel direction and the up-down direction.
  • a line x extending in the toe-heel direction is drawn through this point Po, and a midpoint Px of this line x is determined.
  • a line y extending in the up-down direction is drawn through the point Px, and a midpoint Py of this line is determined.
  • a process of redrawing the line extending in the toe-heel direction through the point Py determined in this way as the line x and thereafter redetermining the point Py in a similar manner to that described above is then repeatedly performed.
  • a new point Py at which the distance between the previous point Py and the new point Py becomes 0.5 mm or less during the repetitions of this process is defined as the face center.
  • the above line x passing through the point Po is the line of intersection between the face surface (surface of the face portion 1 ) and a plane that contains the normal of the face surface passing through this point Po and is parallel to the toe-heel direction.
  • the above line y passing through the point Px is the line of intersection between the face surface and a plane that contains the normal of the face surface passing through this point Px and is parallel to the up-down direction.
  • the above line x passing through the point Py is the line of intersection between the face surface and a plane that contains the normal of the face surface passing through this point Py and is parallel to the toe-heel direction. Note that the lengths of the above lines x and y are measured along the face surface.
  • a width W of the sloped surface 23 in the face-back direction in plan view is preferably set from 3 to 9 mm, and more preferably from 3 to 7 mm, for example.
  • a height H of the sloped surface 23 is preferably set from 0.5 to 8 mm, more preferably from 0.5 to 6 mm, and particularly preferably from 0.5 to 5 mm, for example.
  • the structure of the face portion 1 and the sole portion 3 is not particularly limited. With regard to the face portion 1 , the thickness thereof can be appropriately changed, for example. Also, a face angle FA preferably satisfies the following in equation (7).
  • the face angle FA is defined as follows. First, a straight line FL connecting two points F 1 and F 2 on the face surface at positions respectively spaced by 40 mm on the toe side and the heel side of the face center is drawn with the head in the reference state. The angle formed by this straight line FL and a straight line extending parallel to the toe-heel direction is defined as the face angle FA. Note that in the case where the points F 1 and F 2 cannot be taken on the face surface of the head due to the size of the face surface, a straight line connecting two points on the face surface at positions respectively spaced by 30 mm on the toe side and the heel side of the face center is determined as the straight line FL.
  • the sign of the face angle FA is positive in the case where the face is turned in a direction that closes the face (discussed above), and is negative in the case where the face is turned in a direction that opens the face (e.g., in a direction whereby the face is turned to the right of the target direction, in the case of a right-handed club).
  • recesses and protrusions can be appropriately formed and the thickness can be changed from a design or performance viewpoint.
  • the abovementioned head main body 101 and face member 102 are prepared.
  • a head main body 101 and a face member 102 such as described above can be produced with various methods.
  • the head main body 101 can be manufactured by casting such as a well-known lost wax precision casting process.
  • the face member 102 can be manufactured by a method such as forging, plate pressing or casting, for example.
  • the golf club head is then completed when predetermined coating is performed after joining these portions by welding (TIG (tungsten inert gas) welding, plasma welding, laser welding, brazing, etc.), for example.
  • TIG tungsten inert gas
  • the raised portion 21 is formed higher than the base portion 22 via the sloped surface 23 , thus enabling the height of the face portion 1 to be increased by the height of the raised portion 21 .
  • the rebound performance of the face portion 1 can be improved.
  • only the raised portion 21 is formed higher, and the base portion 22 occupying most of the crown portion 2 is formed at a lower position than the raised portion 21 , thus enabling the center of gravity of the head to be lowered.
  • the orientation of the head can be determined utilizing the end edge on the back side of the raised portion 21 .
  • the widths Dt and Dh of the raised portion 21 satisfy in equation (1), the end edge on the back side of the raised portion 21 extends such that the distance between the end edges of the raised portion 21 on the back and face sides is greater at the position Pt on the toe side than at the position Ph on the heel side.
  • the straight line L 1 along the end edge on the face side of the raised portion 21 slopes relative to the target line rather than being orthogonal thereto, whereas the straight line L 2 along the end edge on the back side of the raised portion 21 extends so as to be generally orthogonal to the target line.
  • the orientation of the end edge on the back side of the raised portion 21 rather than the upper end edge of the face surface, can be aligned with the target. Accordingly, the golfer is able to address the ball without feeling any sense of incongruity, even with the face surface in a closed state.
  • the face is square (orthogonal to the target line) or the face is open (e.g., face is turned to the right of the target direction, in the case of a right-handed club), in the reference state.
  • the end edge on the back side of the raised portion 21 extends in a direction that is open to the target direction (e.g., in a direction whereby the direction orthogonal to the end edge on the back side of the raised portion 21 is turned to the right of the target direction, in the case of a right-handed club).
  • Golfers tend to feel a sense of incongruity in the case where the point of reference at address is turned in a direction that is closed relative to the target direction. Therefore, this sense of incongruity can be eliminated by satisfying the above in equation (7).
  • the raised portion 21 need only be formed such that at least in equation (1) is satisfied. Accordingly, in equations (2) to (7) need only be appropriately set if needed.
  • the sloped surface 23 is formed to be U-shaped in plan view, but is not limited thereto, and need only extend generally in the toe-heel direction. Accordingly, the sloped surface 23 can also be formed in a band shape extending generally straight in the toe-heel direction, for example. Also, the sloped surface 23 may not necessarily be flat. For example, the sloped surface can also be formed to be curved. Furthermore, the region between the raised portion 21 and the base portion 22 need not necessarily be formed as a slope, and may be a step that extends in the up-down direction.
  • the head according to the above embodiment is constituted by combining a head main body having at least the crown portion 2 with other portions, but the present invention can also be applied to a head in which only the crown portion 2 is formed separately.
  • the head can be constituted by fitting the crown portion 2 into an opening for the crown portion formed in a head main body that includes a face portion, a side portion and a sole portion.
  • a cup face structure need not be adopted, and the head can be constituted by fitting a plate-like face member into an opening formed in the face portion 1 and welding the face member to the head main body.
  • golf club heads having generally the same shape as FIGS. 1 to 4 were produced as working examples 1 and 2 satisfying the above in equation (1), as described above, and as comparative examples 1 and 2 not satisfying the above in equation (1).
  • the comparative example 1 60 percent of the golfers responded that they felt a sense of incongruity at address.
  • the end edge on the face side and the end edge on the back side of the raised portion were parallel to each other, and thus the sense of incongruity was apparently due to the fact that not only the end edge on the face side of the raised portion but also the end edge on the back side was not orthogonal to the target line (the toe side was angled to the face side), when the face surface was closed at address.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)
US15/952,856 2017-04-14 2018-04-13 Golf club head Abandoned US20180296887A1 (en)

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JP2017-080989 2017-04-14
JP2017080989A JP6816626B2 (ja) 2017-04-14 2017-04-14 ゴルフクラブヘッド

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Cited By (20)

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US10695624B2 (en) * 2014-08-26 2020-06-30 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11103755B2 (en) * 2014-08-26 2021-08-31 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11117028B2 (en) 2014-08-26 2021-09-14 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11167187B2 (en) 2014-02-20 2021-11-09 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11192003B2 (en) 2017-11-03 2021-12-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11266888B2 (en) 2017-01-10 2022-03-08 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11344775B2 (en) 2014-02-20 2022-05-31 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11426640B2 (en) 2017-11-03 2022-08-30 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11484756B2 (en) 2017-01-10 2022-11-01 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11541288B2 (en) 2014-02-20 2023-01-03 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11617925B2 (en) 2019-03-11 2023-04-04 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11654338B2 (en) 2017-01-10 2023-05-23 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11654337B2 (en) 2014-08-26 2023-05-23 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11707653B2 (en) 2017-11-03 2023-07-25 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11731013B2 (en) 2014-02-20 2023-08-22 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11786786B2 (en) 2018-02-12 2023-10-17 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11806589B2 (en) 2019-03-11 2023-11-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11806585B2 (en) 2014-08-26 2023-11-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11839799B2 (en) 2019-01-02 2023-12-12 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11839798B2 (en) 2019-03-11 2023-12-12 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads

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US7651414B2 (en) * 2004-10-13 2010-01-26 Roger Cleveland Golf Company, Inc. Golf club head having a displaced crown portion
JP4853597B1 (ja) * 2011-07-01 2012-01-11 横浜ゴム株式会社 ゴルフクラブヘッド
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USD484937S1 (en) * 2003-01-22 2004-01-06 Nike, Inc. Portion of a golf club head
USD579507S1 (en) * 2007-08-16 2008-10-28 Mizuno Usa Crown for a hybrid golf club
US7758440B2 (en) * 2007-08-16 2010-07-20 Mizuno Usa, Inc. Wood-type golf club heads and methods of adjusting the same
US20100016095A1 (en) * 2008-07-15 2010-01-21 Michael Scott Burnett Golf club head having trip step feature
US20130324293A1 (en) * 2012-05-31 2013-12-05 Nike, Inc. Golf Club Head and Golf Club with Aerodynamic Features
US20140274448A1 (en) * 2013-03-15 2014-09-18 Taylor Made Golf Company, Inc. Golf club head with stepped crown
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11541288B2 (en) 2014-02-20 2023-01-03 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11167187B2 (en) 2014-02-20 2021-11-09 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11344775B2 (en) 2014-02-20 2022-05-31 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11731013B2 (en) 2014-02-20 2023-08-22 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11103755B2 (en) * 2014-08-26 2021-08-31 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11117028B2 (en) 2014-08-26 2021-09-14 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11806585B2 (en) 2014-08-26 2023-11-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US10695624B2 (en) * 2014-08-26 2020-06-30 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11654337B2 (en) 2014-08-26 2023-05-23 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11266888B2 (en) 2017-01-10 2022-03-08 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11654338B2 (en) 2017-01-10 2023-05-23 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11484756B2 (en) 2017-01-10 2022-11-01 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11590395B2 (en) 2017-11-03 2023-02-28 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11707653B2 (en) 2017-11-03 2023-07-25 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11426640B2 (en) 2017-11-03 2022-08-30 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11806588B2 (en) 2017-11-03 2023-11-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11192003B2 (en) 2017-11-03 2021-12-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11786786B2 (en) 2018-02-12 2023-10-17 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11839799B2 (en) 2019-01-02 2023-12-12 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11617925B2 (en) 2019-03-11 2023-04-04 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11806589B2 (en) 2019-03-11 2023-11-07 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads
US11839798B2 (en) 2019-03-11 2023-12-12 Parsons Xtreme Golf, LLC Golf club heads and methods to manufacture golf club heads

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