CN100441253C - 可改变刚性和挠曲性的运动装置及其改变方法 - Google Patents

可改变刚性和挠曲性的运动装置及其改变方法 Download PDF

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Publication number
CN100441253C
CN100441253C CNB998171034A CN99817103A CN100441253C CN 100441253 C CN100441253 C CN 100441253C CN B998171034 A CNB998171034 A CN B998171034A CN 99817103 A CN99817103 A CN 99817103A CN 100441253 C CN100441253 C CN 100441253C
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CN
China
Prior art keywords
spine
flexibility
rigidity
cavity
locking
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.)
Expired - Fee Related
Application number
CNB998171034A
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English (en)
Chinese (zh)
Other versions
CN1430528A (zh
Inventor
G·韦列尔
R·沃尔斯
W·C·多布尔
P·塔尔顿
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Alliance Design and Dev Group Inc
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Alliance Design and Dev Group Inc
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Publication date
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Publication of CN1430528A publication Critical patent/CN1430528A/zh
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Publication of CN100441253C publication Critical patent/CN100441253C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A63B60/22—Adjustable handles
    • A63B60/26—Adjustable handles with adjustable stiffness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/20—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00 having means, e.g. pockets, netting or adhesive type surfaces, for catching or holding a ball, e.g. for lacrosse or pelota
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/70—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00 with bent or angled lower parts for hitting a ball on the ground, on an ice-covered surface, or in the air, e.g. for hockey or hurling
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/80—Circular bats or paddles not provided for in groups A63B59/20 - A63B59/70
    • 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
    • A63B60/002—Resonance frequency related characteristics
    • 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
    • A63B60/0081—Substantially flexible shafts; Hinged shafts
    • 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
    • A63B2102/24—Ice hockey
    • 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
    • A63B53/08—Golf clubs with special arrangements for obtaining a variable impact
    • 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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/22—Adjustable handles
    • A63B60/24—Weighted handles
    • 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
    • A63B60/48—Details or accessories of golf clubs, bats, rackets or the like with corrugated cross-section
    • 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
    • A63B60/50—Details or accessories of golf clubs, bats, rackets or the like with through-holes
    • 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
    • A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Endoscopes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polymerisation Methods In General (AREA)
  • Laminated Bodies (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
CNB998171034A 1998-08-18 1999-08-18 可改变刚性和挠曲性的运动装置及其改变方法 Expired - Fee Related CN100441253C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/136,117 US6113508A (en) 1998-08-18 1998-08-18 Adjusting stiffness and flexibility in sports equipment
PCT/US1999/019096 WO2000010655A1 (en) 1998-08-18 1999-08-18 Adjusting stiffness and flexibility in sports equipment

Publications (2)

Publication Number Publication Date
CN1430528A CN1430528A (zh) 2003-07-16
CN100441253C true CN100441253C (zh) 2008-12-10

Family

ID=22471381

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998171034A Expired - Fee Related CN100441253C (zh) 1998-08-18 1999-08-18 可改变刚性和挠曲性的运动装置及其改变方法

Country Status (10)

Country Link
US (1) US6113508A (enExample)
EP (1) EP1218067B1 (enExample)
JP (1) JP2002523155A (enExample)
KR (1) KR20020095153A (enExample)
CN (1) CN100441253C (enExample)
AT (1) ATE350116T1 (enExample)
AU (1) AU5684699A (enExample)
CA (1) CA2382571C (enExample)
DE (1) DE69934721T2 (enExample)
WO (1) WO2000010655A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI677368B (zh) * 2018-07-13 2019-11-21 林忠信 高爾夫球桿

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6257997B1 (en) * 1999-08-18 2001-07-10 Alliance Design And Development Group Adjusting stiffness and flexibility in sports equipment
US7252597B2 (en) 1999-10-14 2007-08-07 Laurence H. Li Golf club assembly with recessed adjuster assembly
CA2330083C (en) 2000-01-07 2010-04-13 Jas. D. Easton, Inc. Hockey stick
US6530852B2 (en) * 2000-03-07 2003-03-11 Jaime Rios Bat structure
US20020037780A1 (en) * 2000-07-10 2002-03-28 York Andrew William Hockey stick with reinforced shaft
CA2357331C (en) 2000-09-15 2010-07-20 Jas D. Easton, Inc. Hockey stick
US7963868B2 (en) 2000-09-15 2011-06-21 Easton Sports, Inc. Hockey stick
US6866273B2 (en) 2000-12-08 2005-03-15 The Burton Corporation Sliding device
FI113624B (fi) * 2001-06-28 2004-05-31 Montreal Sports Oy Menetelmä mailan varren valmistamiseksi ja varsi
US7140398B2 (en) 2002-01-28 2006-11-28 Alliance Design And Development Group, Inc. Sports equipment having a tubular structural member
US7410433B2 (en) * 2002-04-02 2008-08-12 Wilson Sporting Goods Co. Bat handle with optimal damping
US20040116217A1 (en) * 2002-10-15 2004-06-17 Warrior Lacrosse, Inc. Lacrosse stick handle with a reinforcing insert
US7726346B2 (en) * 2003-01-27 2010-06-01 Doble William C Outer tubular reinforcement member
US7758446B2 (en) * 2003-02-14 2010-07-20 George W Hodgetts Golf club shaft tuner
US20040176194A1 (en) * 2003-03-06 2004-09-09 Mitchell Donald W. Lacrosse training device
US7232386B2 (en) 2003-05-15 2007-06-19 Easton Sports, Inc. Hockey stick
US7108609B2 (en) * 2003-07-10 2006-09-19 Nike, Inc. Golf club having a weight positioning system
US20050043123A1 (en) * 2003-08-22 2005-02-24 Harvey Charles M. Lacrosse stick
CN100404088C (zh) * 2003-09-17 2008-07-23 张荣士 复合式棒球棒
US7090597B2 (en) * 2003-09-19 2006-08-15 Shield Mfg. Inc. Hand shield for hockey stick
CN100402115C (zh) * 2003-09-26 2008-07-16 张荣士 复合式棒球棒
US20050096159A1 (en) * 2003-11-04 2005-05-05 Houston David J. A training device used with a sports stick having a hollow handle
US20050130759A1 (en) * 2003-12-12 2005-06-16 Hayden Mark X. Sports shaft with variable contour
US20050130773A1 (en) * 2003-12-12 2005-06-16 Hayden Mark X. Sports shaft
CA2493996C (en) * 2004-01-26 2011-10-11 Gerald W. Kavanaugh Hockey stick handle
GB0412281D0 (en) * 2004-06-02 2004-07-07 Clark Sarah Shoe spine
US20050288132A1 (en) * 2004-06-25 2005-12-29 Hayden Mark X Sports shaft with end stop
US7736251B2 (en) * 2004-07-26 2010-06-15 Quikstick Lacrosse, Llc Lacrosse stick
US20060025247A1 (en) * 2004-07-29 2006-02-02 Hayden Mark X One Piece LaCrosse Stick
US7479069B2 (en) * 2004-11-24 2009-01-20 Michael H. L. Cheng Insert for altering the stiffness of a golf club shaft
CA2508313A1 (en) * 2005-05-25 2006-11-25 2946-6380 Quebec Inc. A/S Production P.H. Enr Pre-stressed hockey shaft
US7727096B2 (en) * 2005-07-18 2010-06-01 Prince Sports, Inc. Composite hockey stick system
EP1790393B1 (en) 2005-11-29 2008-08-06 Prince Sports, Inc. Sport racquet wih multi-section frame
EP1795370B1 (en) * 2005-12-09 2009-03-25 Prince Sports, Inc. Wheel having multiple tube frame structure.
US7500921B2 (en) 2006-04-13 2009-03-10 Cheng Michael H L Golf club shaft insert assembly
ATE552894T1 (de) * 2006-05-22 2012-04-15 Prince Sports Inc Sportschläger mit mehrfachrohrstruktur
ATE507890T1 (de) * 2006-05-29 2011-05-15 Prince Sports Inc Sportschläger mit einem einzigen hohlprimärrohr
US20080020872A1 (en) * 2006-07-24 2008-01-24 Johnson Benjamin J Hockey stick
US7883434B2 (en) * 2006-08-26 2011-02-08 Prince Sports, Inc. Composite bat having a multiple tube structure
US7575527B2 (en) * 2006-09-20 2009-08-18 Prince Sports, Inc. Composite bat having a single, hollow primary tube structure
WO2008091803A1 (en) * 2007-01-25 2008-07-31 Cheng Michael H L Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same
US7494423B2 (en) * 2007-01-25 2009-02-24 Cheng Michael H L Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same
US7614963B2 (en) * 2007-01-25 2009-11-10 Cheng Michael H L Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same
US7594861B2 (en) * 2007-07-18 2009-09-29 Directflex, Llc Direct flex
US20090143161A1 (en) * 2007-12-03 2009-06-04 Qualizza Gregory K Shaft Structure with Configurable Bending, Weight, Moment-of-Inertia and Torque Profile
US8029382B2 (en) 2008-03-24 2011-10-04 Taylor Made Golf Company, Inc. Golf-club shafts having selectable-stiffness tip regions, and golf clubs comprising same
USD594920S1 (en) 2008-05-30 2009-06-23 Sport Maska Inc. Hockey stick shaft
USD595368S1 (en) 2008-05-30 2009-06-30 Sport Maska Inc. Hockey stick shaft
USD595792S1 (en) 2008-05-30 2009-07-07 Sport Maska Inc. Hockey stick shaft
US7914403B2 (en) 2008-08-06 2011-03-29 Easton Sports, Inc. Hockey stick
US7857717B2 (en) * 2008-11-18 2010-12-28 Martin Jean-Maurice Hockey stick apparatus for stick handling training and methods of stick handling training
WO2010060201A1 (en) * 2008-11-27 2010-06-03 Michel-Olivier Huard Camber adjustment system and method for snow-riding devices
US7931549B2 (en) 2009-07-30 2011-04-26 Sport Maska Inc. Ice hockey stick
US8747261B2 (en) 2009-11-23 2014-06-10 Entrotech Composites, Llc Reinforced objects
CA2689868A1 (en) 2010-01-08 2011-07-08 Daniel Baroux Hockey sticks and method of manufacture thereof
USD648788S1 (en) * 2010-05-14 2011-11-15 Rob Dewberry Pen cap
US20120202622A1 (en) * 2011-02-04 2012-08-09 Gerald Sena Lacrosse training device
CN102645367B (zh) * 2011-02-22 2014-04-16 中国航空工业集团公司西安飞机设计研究所 一种扭转刚度调节装置
US10398921B1 (en) * 2012-01-11 2019-09-03 Alliance Design And Development Group, Inc. Methods of adjusting stiffness and flexibility in devices, apparatus and equipment
US20130178344A1 (en) 2012-01-11 2013-07-11 Robert Walsh Methods for Adjusting Stiffness and Flexibility in Devices, Apparatus and Equipment
US20130287976A1 (en) * 2012-04-26 2013-10-31 Integran Technologies Inc. Anisotropic elongated metallic structural member
FR2996462B1 (fr) * 2012-10-04 2014-12-19 Babolat Vs Raquette de badminton
JP6284435B2 (ja) * 2014-06-10 2018-02-28 崇仁 鈴木 スポーツ用練習具
US9511268B1 (en) * 2015-06-02 2016-12-06 Michael Levy Stick assembly
US20170282042A1 (en) * 2015-08-05 2017-10-05 Ue-Ming Yang Golf Swing Practicing Apparatus and Practicing Methods
US10500454B2 (en) 2015-09-17 2019-12-10 Ready Grip Technologies, Inc. Removable and reattachable golf club grip
WO2017046654A2 (en) 2015-09-17 2017-03-23 Ready Grip Technologies, LLC Removable and re-attachable golf club grip
US10279235B2 (en) * 2016-05-06 2019-05-07 Bauer Hockey, Llc End cap of a hockey stick or other sports implement
USD800238S1 (en) 2016-05-31 2017-10-17 Sport Maska Inc. Hockey stick
USD800239S1 (en) 2016-05-31 2017-10-17 Sport Maska Inc. Hockey stick
US10213666B1 (en) 2018-01-31 2019-02-26 Breakthrough Golf Technology Llc Golf shaft
US10857433B2 (en) 2018-01-31 2020-12-08 Breakthrough Golf Technology, Llc Golf shaft system and golf shaft

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1662712A (en) * 1927-08-01 1928-03-13 James K Thomson Golf club
US3461593A (en) * 1967-09-22 1969-08-19 Leon P Martuch Fishing rod
US3833223A (en) * 1973-07-09 1974-09-03 R Shulkin Golf club assembly having interchangeable inner flex members
US4105205A (en) * 1975-08-13 1978-08-08 Sudbury Engineering Corporation Racket
US4214395A (en) * 1978-10-17 1980-07-29 Caldwell Benjamin P Jr Lever assemblies
US4577886A (en) * 1984-07-26 1986-03-25 Chernega John O Adjustable flex ski
CN2179770Y (zh) * 1993-08-07 1994-10-19 陈正盛 一种高尔夫球杆中杆
US5913733A (en) * 1992-12-31 1999-06-22 Bamber; Jeffrey Vincent Golf club shaft

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31419A (en) * 1861-02-12 Improvement in plows
US1994069A (en) * 1931-03-11 1935-03-12 Aluminum Co Of America Shaft and method of making same
US3300226A (en) * 1964-09-28 1967-01-24 Jr Charles L Reed Ski construction and method for varying the flexibility thereof
US3461953A (en) * 1967-08-15 1969-08-19 Hull Corp Vacuum dryer shelf temperature control
US3612121A (en) * 1970-04-23 1971-10-12 Estwing Mfg Co Impact tool
US3913918A (en) * 1971-08-02 1975-10-21 Alvin Trachtman Puck-type apparatus
US3833219A (en) * 1971-11-08 1974-09-03 J Dean Racket with adjustable handle
CA966164A (en) * 1972-12-08 1975-04-15 Leo M. Bieganowski Hockey stick handle device
USRE31419E (en) 1976-01-05 1983-10-18 Tennis racket
US4024666A (en) * 1976-02-17 1977-05-24 Stephen Dee Carver Variable stiffness fishing rod
US4082273A (en) * 1976-02-19 1978-04-04 The Ellzey Company Striking implements
CA1147767A (en) * 1976-03-12 1983-06-07 Corporation Inglasco Ltee (La) Ice hockey stick with fibre reinforced handle
US4221400A (en) * 1978-11-08 1980-09-09 Powers John T Method and apparatus for selectively adjusting the stiffness of a ski
US4351528A (en) * 1980-07-07 1982-09-28 William H. Brine, Jr. Sports stick handle
US4358113A (en) * 1981-02-12 1982-11-09 Mckinnon John D Hockey stick
US5409216A (en) * 1984-04-18 1995-04-25 R. H. Associates, Ltd. Racket handle
US5641162A (en) * 1984-04-18 1997-06-24 R. H. Associates, Ltd. Method of aligning and using a racket handle
US4685682A (en) * 1985-06-10 1987-08-11 Isabell James T Adjustable flex golf club
US4738046A (en) * 1987-03-16 1988-04-19 Shakespeare Company Variable action fishing rod
IT1206070B (it) * 1987-05-25 1989-04-14 Carbonetti Italo Racchetta da tennis con piatto ad assetto angolarmente variabile e impugnatura anatomica stabile
US5108114A (en) * 1990-01-08 1992-04-28 Marx Alvin J Collapsible sports racket
DE4134972A1 (de) * 1991-07-27 1993-04-29 Roland Sommer Tennisschlaeger mit verbesserter daempfung von schwingungen und rueckschlagimpulsen und mit schlagkrafterhoehung sowie verfahren fuer seine herstellung unter beruecksichtigung des ablaufs einer automatisierten herstellungsweise fuer tennisschlaeger
FR2684012B1 (fr) * 1991-11-22 1994-08-05 Rossignol Sa Ski en forme, de section non rectangulaire.
US5244442A (en) * 1992-07-23 1993-09-14 Schill John M Portable wrist exercise device utilizing frictional resistance
US5456650A (en) * 1992-07-31 1995-10-10 Natraflex Systems, Inc. Ergonomic exercising and bracing device
US5520386A (en) * 1994-09-12 1996-05-28 Sasko; Jeffry P. Hockey stick training weight
US5653643A (en) * 1995-11-20 1997-08-05 Pendulum Corp. Vibration absorbing material for handles of sporting equipment
FI101769B1 (fi) * 1996-11-07 1998-08-31 Khf Sports Oy Jääkiekkomailan tai vastaavantyyppiseen peliin tarkoitetun mailan varsi

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1662712A (en) * 1927-08-01 1928-03-13 James K Thomson Golf club
US3461593A (en) * 1967-09-22 1969-08-19 Leon P Martuch Fishing rod
US3833223A (en) * 1973-07-09 1974-09-03 R Shulkin Golf club assembly having interchangeable inner flex members
US4105205A (en) * 1975-08-13 1978-08-08 Sudbury Engineering Corporation Racket
US4214395A (en) * 1978-10-17 1980-07-29 Caldwell Benjamin P Jr Lever assemblies
US4577886A (en) * 1984-07-26 1986-03-25 Chernega John O Adjustable flex ski
US5913733A (en) * 1992-12-31 1999-06-22 Bamber; Jeffrey Vincent Golf club shaft
CN2179770Y (zh) * 1993-08-07 1994-10-19 陈正盛 一种高尔夫球杆中杆

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI677368B (zh) * 2018-07-13 2019-11-21 林忠信 高爾夫球桿

Also Published As

Publication number Publication date
KR20020095153A (ko) 2002-12-20
ATE350116T1 (de) 2007-01-15
AU5684699A (en) 2000-03-14
EP1218067A1 (en) 2002-07-03
EP1218067B1 (en) 2007-01-03
DE69934721D1 (de) 2007-02-15
CA2382571A1 (en) 2000-03-02
CN1430528A (zh) 2003-07-16
EP1218067A4 (en) 2004-12-22
US6113508A (en) 2000-09-05
WO2000010655A1 (en) 2000-03-02
WO2000010655A9 (en) 2000-08-17
JP2002523155A (ja) 2002-07-30
CA2382571C (en) 2009-09-15
DE69934721T2 (de) 2007-07-12

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