US3863932A - Weighted wood golf club - Google Patents
Weighted wood golf club Download PDFInfo
- Publication number
- US3863932A US3863932A US362004A US36200473A US3863932A US 3863932 A US3863932 A US 3863932A US 362004 A US362004 A US 362004A US 36200473 A US36200473 A US 36200473A US 3863932 A US3863932 A US 3863932A
- Authority
- US
- United States
- Prior art keywords
- insert
- recess
- club
- golf club
- resin
- 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 - Lifetime
Links
Images
Classifications
-
- 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
-
- 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
- A63B53/0416—Heads having an impact surface provided by a face insert
-
- 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
-
- 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
- A63B53/0458—Heads with non-uniform thickness of the impact face plate
-
- 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
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
-
- 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
- A63B53/0416—Heads having an impact surface provided by a face insert
- A63B53/042—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head
- A63B53/0425—Heads having an impact surface provided by a face insert the face insert consisting of a material different from that of the head the face insert comprising two or more different materials
Definitions
- weighting means have been suggested in the prior art for reallocating the mass of the club head, such weighting means usually taking the form of a heavy metal slug which is located beneath the sole plate in various positions. It has been found, however, that the positioning of weights in this manner does not always result in improving the energy transfer between a golf wood head and the golf ball. Possibly, this is due to the fact that the line of action ofthe centers of gravity of the ball and the club head are not in line with the theoretical flight path so that an inefficient collision results between the head and the ball.
- the present invention provides an improved woodtype golf club in which the club head is provided with a conventional recess in which an insert is tightly received.
- the configuration of the insert differs from conventional inserts in that it has a .bore therein at the inner extremity of which there is a shallow recess.
- a weighting disc composed of a dense metal such as a tungsten alloy or the like overlies and closes off this shallow recess.
- a layer of adhesive is provided in the shallow recess to secure the disc thereagainst.
- the bore in the insert has a flared portion of increased diameter spaced from the striking face, and a layer of impact resistant resin fills this bore about the disc and provides the striking face at the forward edge of the insert.
- the golf club may also be provided with an annular groove in the insert between the shallow recess and the striking face for receiving an additional amount of resin to securely lock the impact resistant resin within the insert.
- the procedural steps involved in making the improved golf club of the present invention consist of positioning the weighting disc about the shallow recess of the insert and adhesively securing the two together. This is followed by pouring in an impact resistant resin into the cavity provided in the recess so that the resin sets and solidifies about the weighting disc confined therein. The resin expands slightly on setting, so that it completely fills the recess in the insert and is locked in place. This final step consists in grinding or otherwise shaping the striking face of the insert to conform it to the desired radius of the golf club head.
- FIG. 1 is a fragmentary side elevational view of the improved golf club of the present invention
- FIG. 2 is a fragmentary front elevational view of the golf club of the present invention
- FIG. 3 is a fragmentary plan view of the golf club head of the present invention.
- FIG. 4 is an exploded view on an enlarged scale of the insert of the present invention, with the parts being tilted somewhat for showing the configuration more specifically;
- FIG. 5 is a fragmentary cross-sectional view on an enlarged scale of the insert of the present invention in the form in which it is received within the golf club head.
- reference numeral 10 indicates generally a golf club of the wood type, the specific club being illustrated being a No. 1 wood although it will be evident that the invention is also applicable to other wood clubs having different angles of inclination on the striking faces.
- the golf club 10 may be composed of a laminated construction as is common in the prior art and it includes a head I] having a striking face 12 of relatively large radius of curvature, usually on the order of lOl z inches. Disposed within a suitable wedge-shaped recess in the striking face 12 is a wedge-shaped insert 13 which extends from the sole ofthe club to the upper portion of the striking face in the conventional manner.
- a set of grooves 14 is provided across the insert 13 as well as across the adjoining portions of the striking face 12 on either side of the insert 13.
- the club head 11 also includes a neck portion 15 which is received within a neck collar 16 which also receives, at its opposite end, a shaft 17.
- the insert 13 has a relatively deep bore 18 which proceeds inwardly into the insert 13 from the striking face thereof.
- An annular groove 19 is formed in a medial portion of the bore 18 to serve as an additional locking means for the impact resistant resin which is poured into the bore, as will be apparent from a succeeding portion of this description.
- the bore 18 is outwardly flared as indicated at reference numeral 20 by a few degrees or so to serve as an additional means for locking the impact resistant resin within the bore to resist disengagement of the resin from within the bore.
- the innermost end of the bore is formed with a relatively shallow recess 21 and the bore also has an annular flange surface 22.
- a decorative washer 23 composed of brass or the like is positioned along the annular flange 22 in surrounding relationship to a disc 24 composed of a dense metal such as a sintered, highly placed therearound, the remaining void space is filled by means of an impact resistant resin layer 26.
- the impact resistant resin may be transparent material such as an epoxy resin or other suitable high impact material such as a polycarbonate, a polyester, or a polyimide resin.
- an impact resistant epoxy resin undergoes a slight expansion so that the resin may extend beyond the confines of the striking face of the insert. Any such excess can be removed by grinding, machining, or other means to provide a striking face 27 having a relatively large radius of curvature such as /2 inches or so.
- the grooves 14 can be scribed in the striking face of the resin 26 as well as in the adjoining portions of the club head.
- the disc 24 is located immediately behind the proper point of impact on the striking face 27.
- the center of gravity of the club head will be located at a distance A from the tangent to the leading edge of the club face, as illustrated in that figure.
- the center of gravity of the club head lies at a distance B from the leading edge of the club face and is substantially in the plane which bisects the shaft 17.
- the positioning of the disc 24 also serves to change the moment of inertia of the club head about its principal axes. These axes are identified in FIGS. 1 and 3 as the .r, y and z axes.
- the ideal weight distribution would be such as to increase the moment of inertia about the center of gravity in the .tz plane, i.e., in a plane parallel-t0 the ground and passing through the vertical level of the center of gravity of the club head. With such a weight distribution, the club head would be the most stable during a swing and there would be less tendency to hit off-line shots.
- the location of the disc 24 in the insert as indicated serves to increase the moment of inertia in this x-z plane, thereby making the club head more stable than a conventional head.
- the movement of the center of gravity of the head has been found to improve significantly the energy transfer between the head of the club and the golf ball when properly struck.
- the line of action of the centers of gravity of the ball and the club head are more directly in line with the theoretical flight path resulting in a more efficient collision between the club head and the ball.
- Another advantage is achieved in the combined coefficient of restitution between the ball and the insert.
- the use of the dense weighting disc in the hitting area increases the amount of energy available in a measurable quantity.
- a wood-type golf club comprising a club head having a recess in the striking area, an insert filling said recess, a dense disk weighting means within said insert, a layer of an impact resistant resin within said insert covering one face and at least a portion of the periphery of said disk, the layer of resin having a smoothly contoured, uninterrupted surface forming part of the striking face of said club, the disk weighting means being positioned to provide a center of gravity for said club head which is closer to the leading edge of the club face than in the absence of said weighting means.
- the golf club of claim 1 which includes an annular recess in said insert forwardly of said weighting means for anchoring said layer of resin within said annular recess.
- a wood-type golf club comprising a club head having a wedge'shaped recess therein in the striking area, a wedge-shaed insert received within said recess, said insert having a bore with a relatively shallow recess at its innermost extremity, a weighting disc overlying and closing off said shallow recess, a layer of adhesive in said shallow recess securing said disc thereagainst, said bore in said insert having a flared portion of increased diameter spaced from said striking face, and a layer of impact resistant resin filling said bore about said disc and having a large diameter radius surface forming the striking area of said club.
Abstract
Description
Claims (7)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US362004A US3863932A (en) | 1973-05-21 | 1973-05-21 | Weighted wood golf club |
GB3724773A GB1402796A (en) | 1973-05-21 | 1973-08-06 | Golf clubs |
ZA00735373A ZA735373B (en) | 1973-05-21 | 1973-08-07 | Weighted wood golf club |
CA178,505A CA982172A (en) | 1973-05-21 | 1973-08-10 | Weighted wood golf club |
JP48110267A JPS5213457B2 (en) | 1973-05-21 | 1973-10-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US362004A US3863932A (en) | 1973-05-21 | 1973-05-21 | Weighted wood golf club |
Publications (1)
Publication Number | Publication Date |
---|---|
US3863932A true US3863932A (en) | 1975-02-04 |
Family
ID=23424304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US362004A Expired - Lifetime US3863932A (en) | 1973-05-21 | 1973-05-21 | Weighted wood golf club |
Country Status (5)
Country | Link |
---|---|
US (1) | US3863932A (en) |
JP (1) | JPS5213457B2 (en) |
CA (1) | CA982172A (en) |
GB (1) | GB1402796A (en) |
ZA (1) | ZA735373B (en) |
Cited By (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989248A (en) * | 1974-12-26 | 1976-11-02 | Pepsico, Inc. | Golf club having insert capable of elastic flexing |
US4213613A (en) * | 1977-12-29 | 1980-07-22 | Nygren Gordon W | Golf club head with center of gravity near its striking face |
US4498672A (en) * | 1982-04-05 | 1985-02-12 | Bulla John G | Golf club head with flexure frequency matched with distortion-relaxation frequency of ball |
US4674746A (en) * | 1984-03-27 | 1987-06-23 | Benoit William R | Golf club |
US5076585A (en) * | 1990-12-17 | 1991-12-31 | Harry Bouquet | Wood golf clubhead assembly with peripheral weight distribution and matched center of gravity location |
US5195747A (en) * | 1992-05-26 | 1993-03-23 | Choy Jung Soo | Golf club |
US5228615A (en) * | 1990-02-21 | 1993-07-20 | Yamaha Corporation | Method of manufacturing golf head |
FR2700702A1 (en) * | 1993-01-26 | 1994-07-29 | Taylor Made Golf Co | Club head with an attached striking face |
US5409229A (en) * | 1992-08-05 | 1995-04-25 | Callaway Golf Company | Golf club head with audible vibration attenuation |
US5464218A (en) * | 1994-07-07 | 1995-11-07 | Callaway Golf Company | Golf putter head with undercut back cavity and peripheral weighting |
US5580322A (en) * | 1995-06-15 | 1996-12-03 | Bouquet; Harry | Wood golf clubhead assembly with peripheral weight on clubface |
USD377818S (en) * | 1996-01-16 | 1997-02-04 | Callaway Golf Company | Golf putter head with multi-arcuate configuration |
USD378113S (en) * | 1996-01-16 | 1997-02-18 | Callaway Golf Company | Golf putter head with fluted rear side and stepped top wall |
USD385933S (en) * | 1996-01-16 | 1997-11-04 | Callaway Golf Company | Golf putter head with recessed and fluted rear side |
USD388851S (en) | 1996-01-16 | 1998-01-06 | Callaway Golf Company | Golf putter head with recessed and fluted rear side and stepped top wall |
US5776010A (en) * | 1997-01-22 | 1998-07-07 | Callaway Golf Company | Weight structure on a golf club head |
US5816936A (en) * | 1994-01-24 | 1998-10-06 | Daiwa Seiko, Inc. | Golf club head and method of manufacturing the same |
USD401651S (en) | 1997-10-31 | 1998-11-24 | Callaway Golf Company | Golf putter head and angled hosel |
USD402343S (en) | 1997-10-31 | 1998-12-08 | Callaway Golf Company | Golf putter head |
USD402344S (en) | 1997-10-28 | 1998-12-08 | Callaway Golf Company | Golf putter head with curved flutes and a curved hosel |
USD402722S (en) | 1997-10-28 | 1998-12-15 | Callaway Golf Company | Golf putter head with flutes and angled hosel |
US5879243A (en) * | 1996-02-23 | 1999-03-09 | Hackman; Lloyd E. | Weight forward golf club head |
USD407445S (en) | 1997-03-10 | 1999-03-30 | Callaway Golf Company | Golf putter head with recessed and curved and fluted rear side |
US5944619A (en) * | 1996-09-06 | 1999-08-31 | Acushnet Company | Golf club with an insert on the striking surface |
USD414830S (en) | 1997-10-28 | 1999-10-05 | Callaway Golf Company | Golf putter with angled hosel and recess-intercepting, curved flutes at rear side |
US5972144A (en) * | 1998-03-11 | 1999-10-26 | Hsu; Tsai-Fu | Method for manufacturing golf club putter heads |
USD428088S (en) * | 1998-12-23 | 2000-07-11 | Acushnet Company | Insert on the striking surface of a golf club head |
US6231458B1 (en) | 1996-09-06 | 2001-05-15 | Acushnet Company | Golf club head with an insert on the striking surface |
US6334818B1 (en) | 1996-09-06 | 2002-01-01 | Acushnet Company | Golf club head with an insert on the striking surface |
US6508722B1 (en) | 2000-01-31 | 2003-01-21 | Acushnet Company | Golf club head and improved casting method therefor |
US6592469B2 (en) | 2001-01-25 | 2003-07-15 | Acushnet Company | Golf club heads with back cavity inserts and weighting |
US6595057B2 (en) | 2000-04-18 | 2003-07-22 | Acushnet Company | Golf club head with a high coefficient of restitution |
US20030195058A1 (en) * | 2000-04-18 | 2003-10-16 | Rice Scott A. | Metal wood club with improved hitting face |
US20030199335A1 (en) * | 2000-04-18 | 2003-10-23 | Laurent Bissonnette | Golf club head with variable flexural stiffness for controlled ball flight and trajectory |
US20040166960A1 (en) * | 2003-02-24 | 2004-08-26 | K.K. Endo Seisakusho | Golf club |
US20040176181A1 (en) * | 2000-04-18 | 2004-09-09 | Meyer Jeffrey W. | Composite metal wood club |
US20050009633A1 (en) * | 2000-04-18 | 2005-01-13 | Rice Scott A. | Metal wood club with improved hitting face |
US20050009634A1 (en) * | 2000-04-18 | 2005-01-13 | Rice Scott A. | Metal wood club with improved hitting face |
US20050020378A1 (en) * | 2003-07-11 | 2005-01-27 | Krumme John F. | Faceplate backings and monolithic inserts for golf clubs |
US20050101404A1 (en) * | 2000-04-19 | 2005-05-12 | Long D. C. | Golf club head with localized grooves and reinforcement |
US20050164806A1 (en) * | 2004-01-23 | 2005-07-28 | Karsten Manufacturing Corp. | Golf club head having a bi-polymer face insert and method of making same |
US20060068932A1 (en) * | 2000-04-18 | 2006-03-30 | Acushnet Company | Metal wood club with improved hitting face |
US20060166757A1 (en) * | 2005-01-25 | 2006-07-27 | Butler Joseph H Jr | Reconfigurable golf club and method |
US20060189410A1 (en) * | 2000-04-18 | 2006-08-24 | Soracco Peter L | Metal wood club with improved hitting face |
US20060293120A1 (en) * | 2005-01-03 | 2006-12-28 | Cackett Matthew T | Golf Club with High Moment of Inertia |
US20070054750A1 (en) * | 2005-09-07 | 2007-03-08 | Rice Scott A | Metal wood club with improved hitting face |
US20070202964A1 (en) * | 2005-01-03 | 2007-08-30 | Callaway Golf Company | Golf club head |
US20080020857A1 (en) * | 2005-01-03 | 2008-01-24 | Callaway Golf Company | Golf club with high moment of inertia |
US20080032820A1 (en) * | 2005-01-03 | 2008-02-07 | Callaway Golf Company | Golf club head |
US7367899B2 (en) | 2000-04-18 | 2008-05-06 | Acushnet Company | Metal wood club with improved hitting face |
US20080242441A1 (en) * | 2007-03-27 | 2008-10-02 | Well Jet International Co., Ltd. | Golf club head and method for making it |
US20090163293A1 (en) * | 2005-01-03 | 2009-06-25 | Callaway Golf Company | Golf club head |
US20100197425A1 (en) * | 2003-05-01 | 2010-08-05 | Clausen Karl A | Metal wood club with improved hitting face |
US20100255930A1 (en) * | 2005-09-07 | 2010-10-07 | Rice Scott A | Metal wood club with improved hitting face |
US20110034269A1 (en) * | 2009-08-06 | 2011-02-10 | Nike, Inc. | Golf club head or other ball striking device having face insert material |
US7935001B2 (en) | 2000-04-18 | 2011-05-03 | Acushnet Company | Composite metal wood club |
US20110143858A1 (en) * | 2009-12-16 | 2011-06-16 | Callaway Golf Company | External weight for golf club head |
US8517858B2 (en) | 2000-04-18 | 2013-08-27 | Acushnet Company | Metal wood club |
US9433835B2 (en) | 2013-04-01 | 2016-09-06 | Acushnet Company | Golf club head with improved striking face |
US20180256946A1 (en) * | 2007-07-25 | 2018-09-13 | Karsten Manufacturing Corporation | Club head sets with varying characteristics and related methods |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1467435A (en) * | 1921-01-31 | 1923-09-11 | Kinnear William | Golf club |
US1525352A (en) * | 1924-02-27 | 1925-02-03 | Aitken James Abram Garfield | Golf-club |
US1543691A (en) * | 1922-06-10 | 1925-06-30 | William N Beat | Golf club |
US1562956A (en) * | 1925-03-23 | 1925-11-24 | Alfred A Guerne | Golf-club head |
US1659272A (en) * | 1927-10-22 | 1928-02-14 | Albert C Link | Golf club |
US1840451A (en) * | 1929-12-28 | 1932-01-12 | Wilson Western Sporting Goods | Golf club |
US3172667A (en) * | 1962-04-02 | 1965-03-09 | Wilson Athletic Goods Mfg Co I | Golf club head having a plastic striking face insert bonded to the club head material and method for making same |
US3305235A (en) * | 1965-07-28 | 1967-02-21 | Jr Albert J Williams | Longitudinally adjustable golf club including head with high moment of inertia abouttwo axes |
US3652094A (en) * | 1969-10-21 | 1972-03-28 | Cecil C Glover | Golf club with adjustable weighting plugs |
-
1973
- 1973-05-21 US US362004A patent/US3863932A/en not_active Expired - Lifetime
- 1973-08-06 GB GB3724773A patent/GB1402796A/en not_active Expired
- 1973-08-07 ZA ZA00735373A patent/ZA735373B/en unknown
- 1973-08-10 CA CA178,505A patent/CA982172A/en not_active Expired
- 1973-10-02 JP JP48110267A patent/JPS5213457B2/ja not_active Expired
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1467435A (en) * | 1921-01-31 | 1923-09-11 | Kinnear William | Golf club |
US1543691A (en) * | 1922-06-10 | 1925-06-30 | William N Beat | Golf club |
US1525352A (en) * | 1924-02-27 | 1925-02-03 | Aitken James Abram Garfield | Golf-club |
US1562956A (en) * | 1925-03-23 | 1925-11-24 | Alfred A Guerne | Golf-club head |
US1659272A (en) * | 1927-10-22 | 1928-02-14 | Albert C Link | Golf club |
US1840451A (en) * | 1929-12-28 | 1932-01-12 | Wilson Western Sporting Goods | Golf club |
US3172667A (en) * | 1962-04-02 | 1965-03-09 | Wilson Athletic Goods Mfg Co I | Golf club head having a plastic striking face insert bonded to the club head material and method for making same |
US3305235A (en) * | 1965-07-28 | 1967-02-21 | Jr Albert J Williams | Longitudinally adjustable golf club including head with high moment of inertia abouttwo axes |
US3652094A (en) * | 1969-10-21 | 1972-03-28 | Cecil C Glover | Golf club with adjustable weighting plugs |
Cited By (146)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989248A (en) * | 1974-12-26 | 1976-11-02 | Pepsico, Inc. | Golf club having insert capable of elastic flexing |
US4213613A (en) * | 1977-12-29 | 1980-07-22 | Nygren Gordon W | Golf club head with center of gravity near its striking face |
US4498672A (en) * | 1982-04-05 | 1985-02-12 | Bulla John G | Golf club head with flexure frequency matched with distortion-relaxation frequency of ball |
US4674746A (en) * | 1984-03-27 | 1987-06-23 | Benoit William R | Golf club |
US5228615A (en) * | 1990-02-21 | 1993-07-20 | Yamaha Corporation | Method of manufacturing golf head |
US5076585A (en) * | 1990-12-17 | 1991-12-31 | Harry Bouquet | Wood golf clubhead assembly with peripheral weight distribution and matched center of gravity location |
US5195747A (en) * | 1992-05-26 | 1993-03-23 | Choy Jung Soo | Golf club |
US5605511A (en) * | 1992-08-05 | 1997-02-25 | Callaway Golf Company | Golf club head with audible vibration attenuation |
US5704849A (en) * | 1992-08-05 | 1998-01-06 | Callaway Golf Company | Golf club head with audible vibration attenuation |
US5409229A (en) * | 1992-08-05 | 1995-04-25 | Callaway Golf Company | Golf club head with audible vibration attenuation |
US5405137A (en) * | 1993-01-26 | 1995-04-11 | Taylor Made Golf Company, Inc. | Golf club head and insert |
FR2700702A1 (en) * | 1993-01-26 | 1994-07-29 | Taylor Made Golf Co | Club head with an attached striking face |
US5816936A (en) * | 1994-01-24 | 1998-10-06 | Daiwa Seiko, Inc. | Golf club head and method of manufacturing the same |
US5464218A (en) * | 1994-07-07 | 1995-11-07 | Callaway Golf Company | Golf putter head with undercut back cavity and peripheral weighting |
US5580322A (en) * | 1995-06-15 | 1996-12-03 | Bouquet; Harry | Wood golf clubhead assembly with peripheral weight on clubface |
USD377818S (en) * | 1996-01-16 | 1997-02-04 | Callaway Golf Company | Golf putter head with multi-arcuate configuration |
USD378113S (en) * | 1996-01-16 | 1997-02-18 | Callaway Golf Company | Golf putter head with fluted rear side and stepped top wall |
USD385933S (en) * | 1996-01-16 | 1997-11-04 | Callaway Golf Company | Golf putter head with recessed and fluted rear side |
USD388851S (en) | 1996-01-16 | 1998-01-06 | Callaway Golf Company | Golf putter head with recessed and fluted rear side and stepped top wall |
US5879243A (en) * | 1996-02-23 | 1999-03-09 | Hackman; Lloyd E. | Weight forward golf club head |
US5944619A (en) * | 1996-09-06 | 1999-08-31 | Acushnet Company | Golf club with an insert on the striking surface |
US6231458B1 (en) | 1996-09-06 | 2001-05-15 | Acushnet Company | Golf club head with an insert on the striking surface |
US6334818B1 (en) | 1996-09-06 | 2002-01-01 | Acushnet Company | Golf club head with an insert on the striking surface |
US5776010A (en) * | 1997-01-22 | 1998-07-07 | Callaway Golf Company | Weight structure on a golf club head |
USD407445S (en) | 1997-03-10 | 1999-03-30 | Callaway Golf Company | Golf putter head with recessed and curved and fluted rear side |
USD402344S (en) | 1997-10-28 | 1998-12-08 | Callaway Golf Company | Golf putter head with curved flutes and a curved hosel |
USD402722S (en) | 1997-10-28 | 1998-12-15 | Callaway Golf Company | Golf putter head with flutes and angled hosel |
USD414830S (en) | 1997-10-28 | 1999-10-05 | Callaway Golf Company | Golf putter with angled hosel and recess-intercepting, curved flutes at rear side |
USD402343S (en) | 1997-10-31 | 1998-12-08 | Callaway Golf Company | Golf putter head |
USD401651S (en) | 1997-10-31 | 1998-11-24 | Callaway Golf Company | Golf putter head and angled hosel |
US5972144A (en) * | 1998-03-11 | 1999-10-26 | Hsu; Tsai-Fu | Method for manufacturing golf club putter heads |
USD428088S (en) * | 1998-12-23 | 2000-07-11 | Acushnet Company | Insert on the striking surface of a golf club head |
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Also Published As
Publication number | Publication date |
---|---|
ZA735373B (en) | 1975-03-26 |
JPS508632A (en) | 1975-01-29 |
JPS5213457B2 (en) | 1977-04-14 |
CA982172A (en) | 1976-01-20 |
GB1402796A (en) | 1975-08-13 |
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