US20160250528A1 - Golf club with improved weighting - Google Patents

Golf club with improved weighting Download PDF

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Publication number
US20160250528A1
US20160250528A1 US14/632,933 US201514632933A US2016250528A1 US 20160250528 A1 US20160250528 A1 US 20160250528A1 US 201514632933 A US201514632933 A US 201514632933A US 2016250528 A1 US2016250528 A1 US 2016250528A1
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US
United States
Prior art keywords
shaft
club
mass
golf club
golf
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
US14/632,933
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English (en)
Inventor
Dustin A. Barksdale
Donald S. Bone
Stephanie Bezilla
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.)
True Temper Sports Inc
Original Assignee
Acushnet Co
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 Acushnet Co filed Critical Acushnet Co
Priority to US14/632,933 priority Critical patent/US20160250528A1/en
Assigned to ACUSHNET COMPANY reassignment ACUSHNET COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BARKSDALE, DUSTIN A., BEZILLA, STEPHANIE, BONE, DONALD S.
Priority to US14/683,442 priority patent/US20160250529A1/en
Assigned to KOREA DEVELOPMENT BANK, NEW YORK BRANCH reassignment KOREA DEVELOPMENT BANK, NEW YORK BRANCH SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ACUSHNET COMPANY
Priority to US14/755,489 priority patent/US20160250530A1/en
Priority to JP2016024472A priority patent/JP2016159151A/ja
Priority to CN201610102469.5A priority patent/CN105920816A/zh
Priority to PCT/US2016/019363 priority patent/WO2016138133A1/en
Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ACUSHNET COMPANY
Priority to US15/230,962 priority patent/US20170028280A1/en
Assigned to TRUE TEMPER SPORTS, INC. reassignment TRUE TEMPER SPORTS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ACUSHNET COMPANY
Publication of US20160250528A1 publication Critical patent/US20160250528A1/en
Priority to US15/464,387 priority patent/US20170189771A1/en
Assigned to JPMORGAN CHASE BANK, N.A., AS SUCCESSOR ADMINISTRATIVE AGENT reassignment JPMORGAN CHASE BANK, N.A., AS SUCCESSOR ADMINISTRATIVE AGENT ASSIGNMENT OF SECURITY INTEREST IN PATENTS (ASSIGNS 039506-0030) Assignors: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS RESIGNING ADMINISTRATIVE AGENT
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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • 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
    • A63B53/12—Metallic shafts
    • 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
    • A63B53/10—Non-metallic shafts
    • 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
    • A63B53/005—Club sets
    • A63B2053/005—
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/32—Golf
    • 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
    • A63B60/06—Handles
    • A63B60/22—Adjustable handles
    • A63B60/24—Weighted handles

Definitions

  • the present invention relates generally to a set of golf clubs with improved weighting characteristics. More specifically, the present invention relates a plurality of two or more golf clubs that creates increases in mass as the clubs get shorter in length. This inverse relationship between the length of the club and the mass of the club helps improve the performance of the set of golf club heads by creating a lighter softer shaft for longer golf clubs while creating a heavier stiffer shaft for shorter irons. The present invention achieves this by focusing its attention on adjusting the mass of the shaft portion of the golf club to create the desired results. However, it should be noted that because the shaft is ultimately only a component of a golf club, the focus of the present invention is directed at a golf club with improved weighting.
  • a golf club contains several key components, all of which can affect the overall performance of a golf club head. Although most golf club improvements focus on the club head portion of the golf club, significant improvements can be made to other portions of the golf club as well.
  • U.S. Pat. No. 7,175,538 to Miller illustrates one of these examples of improvements to other portions of the golf club head by focusing its attention on the grip of the golf club.
  • U.S. Pat. No. 7,175,538 provides a golf club grip having the diameter of the grip progressively reduced from one the butt end to the opposing end.
  • U.S. Pat. No. 5,711,721 to Johnson et al. illustrates another example of an improvement to a golf club head by focusing on the ferrule of the golf club.
  • U.S. Pat. No. 5,711,721 provides a ferrule for a golf club that has at least one raised element with a top surface and a second member molded about the first member to surround the raised element to provide logo display or indicia.
  • U.S. Pat. No. 5,049,422 to Honma provides an example of an improvement to the shaft portion of the golf club head.
  • the inventor taught a shaft for golf club which can exhibit a vibration characteristic of a steel shaft without imparting the characteristics of a carbon shaft. The inventor does this by creating metal fibers incorporated in an outer layer portion of a carbon shaft with a specific direction of metal fiber orientation.
  • the present invention focuses on improving the performance of the golf club itself by adjusting, among many other factors, the shaft portion of the golf club. It utilizes a very specific relationship between the length of the golf club together with the overall mass of the golf club to create a set of golf club with improved performance throughout the entire set of golf clubs.
  • a golf club comprising of a club head located at a distal end of said golf club, a grip located at a proximal end of said golf club, and a shaft, juxtaposed between the club head and the grip, connecting the club head to the grip, wherein the mass M club of the golf club decreases with an increase in a length L club of said golf club in accordance with the relationship, M club ⁇ 20.691 L club +1201.5.
  • a plurality of golf clubs comprising of a first golf club having a length greater than about 38 inches having a first mass, a second golf club having a length of between about 36 to 38 inches having a second mass, and a third golf club having a length of less than about 36 inches having a third mass, wherein the first mass is less than the second mass and the second mass is less than the third mass, and wherein said first, second, and third golf club all have individual shafts that have a mass that satisfies the equation M shaft ⁇ 20.691 L shaft +347.
  • FIG. 1 of the accompanying drawing shows a perspective view of long-iron golf club shaft in accordance with an exemplary embodiment of the present invention
  • FIG. 2 of the accompanying drawings shows a perspective view of a mid-iron golf club shaft in accordance with an exemplary embodiment of the present invention
  • FIG. 3 of the accompanying drawings shows a perspective view of a short-iron golf club shaft in accordance with an exemplary embodiment of the present invention
  • FIG. 4 of the accompanying drawings shows a perspective view of a long-iron, a mid-iron, and a short-iron shaft, all in accordance with an exemplary embodiment of the present invention, all next to one another;
  • FIG. 5 of the accompanying drawings shows a perspective view of three golf clubs within a set of golf clubs complete with individual components such as the golf club head, the golf club shaft, and the golf club grip.
  • One of the ways to achieve the desired overall club mass is by adjusting the mass M shaft of the shaft as the length L shaft of the shaft changes. More specifically, the present invention creates a very specific relationship between the M shaft and the L shaft that creates an increase in the golf club mass M shaft as the length L shaft decreases.
  • FIG. 1 of the accompanying drawings shows a perspective view of a golf club shaft 100 of a long-iron in accordance with an exemplary embodiment of the present invention.
  • the present invention in order to improve the performance of a golf club via the golf club shaft 100 , has created a specific relationship between a length L shaft of the golf club shaft 100 as a function to the mass M shaft of the golf club shaft 100 . More specifically, the relationship created between the length L shaft of the golf club shaft 100 and the mass of the golf club shaft 100 is inversed, meaning a decrease in the length L shaft of the golf club shaft 100 will equate to an increase in the mass M shaft of the golf club shaft 100 . In one exemplary embodiment of the present invention, this inverse relationship between the length L shaft and the mass M shaft can be quantified by equation (1) below:
  • the long-iron golf club shaft 100 may have a length L shaft of about 40.5 inches and mass M shaft of greater than about 104 grams. In another exemplary embodiment of the present invention, the long-iron golf club shaft 100 may have a length L shaft of about 40 inches and a mass M shaft of greater than about 107 grams. In another exemplary embodiment of the present invention, the long-iron golf club shaft 100 may have a length L shaft of about 39.5 inches and a mass M shaft of greater than about 110 grams. In another exemplary embodiment of the present invention, the long-iron golf club shaft 100 may have a length L shaft of about 39 inches and a mass M shaft of greater than about 113 grams.
  • section 101 may have an outer diameter of about 0.60 in
  • section 102 may have an outer diameter of about 0.59 in
  • section 104 may have an outer diameter of about 0.575 in
  • section 106 may have an outer diameter of about 0.56 in
  • section 108 may have an outer diameter of about 0.545 in
  • section 110 may have an outer diameter of about 0.530 in
  • section 112 may have an outer diameter of about 0.515 in
  • section 114 may have an outer diameter of about 0.500 in
  • section 116 may have an outer diameter of about 0.485 in
  • section 118 may have an outer diameter of about 0.470 in
  • section 120 may have an outer diameter of about 0.450 in
  • section 122 may have an outer diameter of about 0.430 in
  • section 124 may have an outer diameter of about 0.410 in
  • section 126 may have an outer diameter of about 0.395 in
  • section 128 may have an outer diameter that tapers at a
  • the outer profile of the golf club shaft 100 is stepped in its outer diameter profile, which can help provide the amount of mass adjustment needed for the current invention.
  • the outer profiles of the golf club shaft 100 can be continuously tapered, parallel, or any other geometry or even alternate materials all without departing from the scope and content of the present invention.
  • FIG. 2 of the accompanying drawings shows a perspective view of a golf club shaft 200 of a mid-iron in accordance with an exemplary embodiment of the present invention.
  • the mid-irons similar to long-irons, have an inverse relationship between the length L shaft and the mass M shaft resulting in a similar relationship established above in Equation (1).
  • the mid-iron golf club shaft 200 may have a length L shaft of about 38.5 inches and mass M shaft of greater than about 116 grams.
  • the mid-iron golf club shaft 200 may have a length L shaft of about 38 inches and a mass M shaft of greater than about 119 grams.
  • the mid-iron golf club shaft 200 may have a length L shaft of about 37.5 inches and a mass M shaft of greater than about 122 grams.
  • the present invention may have a section 201 with an outer diameter of about 0.600 in, a section 202 with an outer diameter of about 0.585 in, a section 204 with an outer diameter of about 0.568 in, a section 206 with an outer diameter of about 0.553 in, a section 208 with an outer diameter of about 0.538 in, a section 210 with an outer diameter of about 0.523 in, a section 212 with an outer diameter of about 0.508, a section 214 with an outer diameter of about 0.493 in, a section 216 with an outer diameter of about 0.478 in, a section 218 with an outer diameter of about 0.463 in, a section 220 with an outer diameter of about 0.445 in, a section 222 with an outer diameter of about 0.430 in, a section 224 with an outer diameter of about 0.410 in, a section 226 with an outer diameter of about 0.395 in, and section 228 may have an outer diameter that tapers
  • FIG. 3 of the accompanying drawings shows a perspective view of a golf club shaft 300 of a short-iron in accordance with an exemplary embodiment of the present invention.
  • the short-irons similar to long-irons and mid-irons, have an inverse relationship between the length L shaft and the mass M shaft resulting in a similar relationship established above in Equation (1).
  • the short-iron golf club shaft 300 may have a length L shaft of about 37.0 inches and mass M shaft of greater than about 125 grams.
  • the short-iron golf club shaft 300 may have a length L shaft of about 36.5 inches and a mass M shaft of greater than about 128 grams.
  • the present invention may have a section 301 with an outer diameter of about 0.580 in, a section 302 with an outer diameter of about 0.560 in, a section 304 with an outer diameter of about 0.545 in, a section 306 with an outer diameter of about 0.530 in, a section 308 with an outer diameter of about 0.515 in, a section 310 with an outer diameter of about 0.500 in, a section 312 with an outer diameter of about 0.485, a section 314 with an outer diameter of about 0.470 in, a section 316 with an outer diameter of about 0.445 in, a section 318 with an outer diameter of about 0.440 in, a section 320 with an outer diameter of about 0.425 in, a section 322 with an outer diameter of about 0.410 in, a section 324 with an outer diameter of about 0.395 in, a section 226 with an outer diameter of about 0.395 in, and section 328 may have an outer diameter that tapers a
  • FIG. 4 of the accompanying drawings shows a perspective view of all three of the shafts discussed earlier, the long-iron shaft 100 , the mid-iron shaft 200 , and the short-iron shaft 300 next to one another for an illustration of the relative length of one another.
  • FIG. 5 of the accompanying drawings shows a perspective view of all three golf club shafts 100 , 200 , and 300 being connected to their respective components. This illustration will bring the entire invention together in establishing a relationship between the overall club length L club of the golf clubs 107 , 207 , and 307 and the overall club mass M club can be established. It is important to establish the criticality of the discussion focusing on the overall club mass M club as well as the overall club length L club because that specific relationship is the one that controls performance. Returning to FIG.
  • Equation (2) Equation (2)
  • the golf clubs 107 , 207 , and 307 may have a length L club of about 39 inches and mass M club of greater than about 396 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 38.5 inches and mass M club of greater than about 405 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 38 inches and mass M club of greater than about 415 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 37.5 inches and mass M club of greater than about 424 grams.
  • the golf clubs 107 , 207 , and 307 may have a length L club of about 37 inches and mass M club of greater than about 435 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 36.5 inches and mass M club of greater than about 446 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 36 inches and mass M club of greater than about 456 grams. In another exemplary embodiment of the present invention, invention the golf clubs 107 , 207 , and 307 may have a length L club of about 35.75 inches and mass M club of greater than about 464 grams.
  • the present invention relates to a plurality of golf clubs having a first golf club having a length greater than 38 inches, a second golf club having a length of between about 36 to 38 inches, and a third golf club having a length less than about 36 inches.
  • the first golf club will generally have the lightest mass with a first mass
  • the second golf club will generally have a mass that is heavier than the first mass
  • the third golf club having a third mass, which is greater than the first mass and the second mass.
  • the specific relationship created between the mass and the length of the golf club is beneficial in helping improve the performance of the golf club, despite its counter-intuitive nature.
  • the mass of the golf club shaft decreases when a uniform material shaft is trimmed.
  • This antiquated wisdom leaves the golf club shaft to be heaviest at higher lofts and lighter at lower lofts.
  • the present invention improves upon this methodology by reversing the conventional thinking with a more performance based design approach.
  • it is beneficial to help reduce the mass of the golf club in those longer clubs, which ultimately results in an increase in the mass of the shorter irons.
  • the present invention takes advantage of that unconventional methodology and has created a very specific relationship for those variable.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)
US14/632,933 2015-02-26 2015-02-26 Golf club with improved weighting Abandoned US20160250528A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US14/632,933 US20160250528A1 (en) 2015-02-26 2015-02-26 Golf club with improved weighting
US14/683,442 US20160250529A1 (en) 2015-02-26 2015-04-10 Golf club with improved weighting
US14/755,489 US20160250530A1 (en) 2015-02-26 2015-06-30 Golf club with improved weighting
JP2016024472A JP2016159151A (ja) 2015-02-26 2016-02-12 重み付けが改良されたゴルフクラブ
CN201610102469.5A CN105920816A (zh) 2015-02-26 2016-02-24 具有改进的配重的高尔夫球杆
PCT/US2016/019363 WO2016138133A1 (en) 2015-02-26 2016-02-24 Golf club with improved weighting
US15/230,962 US20170028280A1 (en) 2015-02-26 2016-08-08 Golf club with improved weighting
US15/464,387 US20170189771A1 (en) 2015-02-26 2017-03-21 Golf club with improved weighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/632,933 US20160250528A1 (en) 2015-02-26 2015-02-26 Golf club with improved weighting

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US14/683,442 Continuation-In-Part US20160250529A1 (en) 2015-02-26 2015-04-10 Golf club with improved weighting
PCT/US2016/019363 Continuation WO2016138133A1 (en) 2015-02-26 2016-02-24 Golf club with improved weighting

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US20160250528A1 true US20160250528A1 (en) 2016-09-01

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US14/632,933 Abandoned US20160250528A1 (en) 2015-02-26 2015-02-26 Golf club with improved weighting
US15/230,962 Abandoned US20170028280A1 (en) 2015-02-26 2016-08-08 Golf club with improved weighting

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US15/230,962 Abandoned US20170028280A1 (en) 2015-02-26 2016-08-08 Golf club with improved weighting

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US (2) US20160250528A1 (ja)
JP (1) JP2016159151A (ja)
CN (1) CN105920816A (ja)
WO (1) WO2016138133A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10773137B2 (en) 2017-07-11 2020-09-15 Sumitomo Rubber Industries, Ltd. Shaft set
US20210275885A1 (en) * 2018-01-31 2021-09-09 Breakthrough Golf Technology, Llc Golf shaft
US11253759B2 (en) * 2019-04-26 2022-02-22 Sumitomo Rubber Industries, Ltd. Golf club

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5347132A (en) * 1976-10-13 1978-04-27 Hitachi Construction Machinery Control method of facing stability of tunnel excavator
AU541132B2 (en) * 1980-03-13 1984-12-20 T.I. Accles & Pollock Ltd Golf club shaft
US4887815A (en) * 1987-10-09 1989-12-19 Hughes James W Low swing weight golf club set
EP2550998A1 (en) * 2011-07-29 2013-01-30 Cobra Golf Incorporated Golf club with selected length to weight ratio
US8419564B1 (en) * 2011-10-31 2013-04-16 Karsten Manufacturing Corporation Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs
US20130109491A1 (en) * 2011-10-31 2013-05-02 Karsten Manufacturing Corporation Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs
TWM435287U (en) * 2012-04-18 2012-08-11 Wei-Jing Xu Golf club made of dual-phase steel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10773137B2 (en) 2017-07-11 2020-09-15 Sumitomo Rubber Industries, Ltd. Shaft set
US20210275885A1 (en) * 2018-01-31 2021-09-09 Breakthrough Golf Technology, Llc Golf shaft
US11253759B2 (en) * 2019-04-26 2022-02-22 Sumitomo Rubber Industries, Ltd. Golf club

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Publication number Publication date
WO2016138133A1 (en) 2016-09-01
US20170028280A1 (en) 2017-02-02
JP2016159151A (ja) 2016-09-05
CN105920816A (zh) 2016-09-07

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Effective date: 20220802