EP0608128A1 - Golfputter - Google Patents

Golfputter Download PDF

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Publication number
EP0608128A1
EP0608128A1 EP94300418A EP94300418A EP0608128A1 EP 0608128 A1 EP0608128 A1 EP 0608128A1 EP 94300418 A EP94300418 A EP 94300418A EP 94300418 A EP94300418 A EP 94300418A EP 0608128 A1 EP0608128 A1 EP 0608128A1
Authority
EP
European Patent Office
Prior art keywords
rail
putter
recess
heel
face plate
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.)
Granted
Application number
EP94300418A
Other languages
English (en)
French (fr)
Other versions
EP0608128B1 (de
Inventor
Glenn H. Schmidt
Richard C. Helmstetter
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.)
Topgolf Callaway Brands Corp
Original Assignee
Callaway Golf 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 Callaway Golf Co filed Critical Callaway Golf Co
Publication of EP0608128A1 publication Critical patent/EP0608128A1/de
Application granted granted Critical
Publication of EP0608128B1 publication Critical patent/EP0608128B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A63B53/0487—Heads for putters
    • 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
    • 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
    • A63B53/0433—Heads with special sole configurations
    • 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

Definitions

  • This invention relates generally to golf putters, and more particularly to enhancing putter stability when the putter is maneuvered to address and stroke a golf ball on a golf green.
  • golf putters tend to twist in response to their placement downwardly on a green in ball addressing position. Such twisting results in mis-alignment of the front face of the putter relative to the ball, and requires one or more re-alignment adjustments. Putters can also twist during the back- swing away from the ball, and forward striking toward and with the ball. One cause of such twisting is variable engagement of the putter bottom surface with the turf during such swinging and stroking.
  • the improved putter of the present invention comprises, in combination:
  • the rail is typically spaced rearwardly from the front face defined by the non-metallic front face along the major length of the rail.
  • the rail also has a narrow bottom surface along its length, that surface being flat in a front-to-rear direction, widthwise of the rail.
  • the rail bottom surface has substantially uniform width along the majority of the rail length, the rail extending lengthwise below the middle of the putter body between the heel and toe, and below the non-metallic face plate.
  • the rail weight adds to anti-twist peripheral weighting marked by use of the non-metallic face plate.
  • control rail with a frontward facing surface which tapers downwardly and rearwardly to merge with a forward extent of the rail bottom surface.
  • the rail desirably also has a rearward facing surface which tapers downwardly and forwadly to merge with a rearward extent of the rail hollow surface.
  • Such surfaces engage the turf in such manner, during head stroking, as to result in forces tending to elevate the head and prevent the putter digging into the turf; and such surfaces typically extend equidistantly toward the toe and heel, from the said region of the head and rail, so that twisting forces due to turf engagement are counter balanced.
  • Yet another object is to provide a rai as referred to, which is curved, i.e., extends in a curved surface along the rail length, thereby to provide turf engaging rail support points that are not all in a line, so that stability against tilt of the head results from the rail biting into the turf as the head is placed downwardly in position, addressing the ball.
  • the putter head 10 has a body 11 defining a sole 12, a front or ball-striking face or surface 13, heel 14, and toe 14a.
  • a shaft 16 is connected to the body and extends upwardly, as shown.
  • the head may be metallic, and typically consists of brass.
  • the body is elongated between the heel and toe, as shown.
  • a rail 20 projects downwardly from the bottom wall 12a of the sole, the rail 20 being elongated in a direction between the heel and toe to engage the turf 21 of the putting green, for projecting downwardly into the turf, as shown in Fig. 3, in a manner to stabilize the head for resisting twist as in either or both twist directions (indicated by arrows 22 and 22a in Fig. 4) as the putter sole is placed downwardly, on the green turf. See also the golf ball 24 in Fig. 2, in front of face 13, the rail received in the turf tending to maintain the head face 13 squared relative to the ball, just prior to stroking of the head by manual swing of the shaft 16. See Fig. 3.
  • the elongated rail is spaced rearwardly from the front face 13, beneath the upright head front plate 23, for substantially balanced support of the head.
  • the head has a bottom and rearward flange 25 projecting rearwardly from lower extent of body 11, to define the sole bottom wall 12a, as seen in Fig. 3.
  • the bottom wall includes bottom wall extent 12a' frontwardly of the rail, and bottom wall extent 12a" rearwardly of the rail.
  • the front-to-rear width W1 , of 12a' is substantially less than the front-to-rear width w 2 of 12a", and typically, w 2 , is two to six times W1 .
  • Bottom wall extent 12a' is typically flat in a front-to-rear direction, and shallowly downwardly convex in a heel-to-toe direction (see Fig. 1); and bottom wall extent 12a" is also shallowly downwardly convex, similar to 12a', as in Fig. 1.
  • Rail 20 has a bottom surface 28 extending along the rail length, that surface typically having constant, or substantially constant width, and being flat or substantially flat in a front to rear direction, widthwise of the rail.
  • Such width should be between 1 / 8 and % inches (3 to 9mm), and the rail should project below the sole surface by an amount "t" where t decreases toward the toe, and also decreases toward the heel, from a mid-point 28a, along the rail length (see Fig. 1).
  • the maximum amount "t” should be between 1/16 and % inch (1.5 to 3mm), so as to effectively seat into the green turf at the mid region of the head, without extending too deeply into the turf so as to impede head stroking.
  • Rail bottom surface 28 has greater curvature than the curvature of sole 12 in a toe to heel direction to merge with the sole at 28c and 28d.
  • the rail 20 has frontwardly facing surface 29 which tapers downwardly and rearwardly (see Fig. 3) so as to slide over the turf as the head is stroked, the impact of the turf against the tapered surface 29 tending to lift the putter head and prevent the head digging into the turf - or to minimize this effect - as the head is stroked.
  • Surface 29 merges with surface 28 along a rounded edge 30, to enhance these effects.
  • the rail 20 has a rearwardly facing surface 31 which tapers downwardly and forwardly (see Fig. 3) to merge with surface 28 along a rounded edge 32.
  • Surfaces 31 and 32 enable rearward sliding of the putter over the green turf as the head is swung backwardly relative to the golf ball, tending to prevent or minimize digging of the head into the turf during the back-stroke.
  • the rail middle extent extends lengthwise below the middle of the putter, i.e., the "sweet spot" region 32 of plate 23 directly rearwardly of the ball; also, the rail extends from that middle extent toward the heel and toward the toe to equal, or substantially equal extents, whereby rail engagement with the turf during the back and forward strokes is the same toward the toe and toward the heel (from the rai I middle extent) to minimize twisting of the putter head as it is stroked.
  • the putter shaft 16 is affixed to the body 11 to project downwardly between heel 14 and the arcuate heel end 23c of plate 23.
  • the body 11 defines or contains a shaft receiving bore 40 wherein the shaft lower end 16a is joined to the bore, as by adhesive, at 41.
  • the bore intersects the bottom surface of the heel at 14', as seen in Figs. 1 and 4; and the shaft end may also extend almost to the bottom surface between the heel and end 28d of the rail.
  • Filler 48 fills space between the lower core of the shaft and the surfaces 12 and 28. Note that bore 40 extends upright and the shaft extends upwardly from that bore.
  • the rail lengthwise extent defines a flat, upright plane 50 extending between the toe and heel, forwardly of the shaft bore 40. See Fig. 4.
  • a straight rail allows some pivoting or tilting of the head forwardly or rearwardly, as indicated by lines 51 and 52 in Fig. 2.
  • the rail may be so formed as to be lengthwise curved, to provide enhanced support for the putter body on the turf, i.e., "3- point" support, in effect. See for example the curved plane 55 of the rail 56 in Fig.
  • Such a rail 56 otherwise like the above described rail 20, provides all of the advantages of rail 20, plus the added, anti-pivot support for the putter body as described. Note that the front inclined surface of rail 56 has variable spacing from the ball-striking surface 113 of the putter head.
  • the putter shaft 116 now extends at angle a relative to vertical, where a is between 10° and 30°; and that the shaft lowermost extent 116a is recessed in a correspondingly angled bore 140 in head forwardly offset extent 111d at the heel 114.
  • Bore 140 is now forward of the curved plane 56, the latter being convex forwardly toward the plane of flat face 113, whereby turf is engaged by the convex forward edge of the rail, otherwise having sectional shape, as in Fig. 3, to slide or glide over the turf, which acts to urge the head upwardly out of the turf during a putting stroke.
  • the putter body has at least one recess 150 projecting forwardly toward a plane defined by front wall or face 13.
  • Recess 150 opens rearwardly, as seen in Fig. 2.
  • the body also has a second recess 151 sunk in the front wall, and is sized to closely receive the periphery 23d of the plate 23, which is non-metallic.
  • the periphery 23d may be bonded to the body inner wall 152 bounding recess 151.
  • the plate seats against a body looping shoulder 153, facing forwardly at the bottom of recess 151.
  • the rear side 23e of plate 23 openly faces shoulder 153; and the plate may be oval, as shown, with rounded, convex opposite ends 23b and 23c, and straight top wall 23h.
  • Face plate 23 typically consists of synthetic resin, and defines ball-striking surface 23f, forwardly of recess 151. Also, it has uniform thickness and is preferably substantially transparent, to present viewing of alpha-numeric characters 160 (the word "LABEL” being merely representative) identifying the golfer, manufacturer, or some other entity. Characters 160 may define a monogram, internally of the plastic material and viewable from the front of the plate.
  • the body defines a third recess 170 sunk in the front wall, rearwardly of recess 151, and to a depth greater than that of 151.
  • Recess 170 periphery intersects the first recess 150, as shown.
  • the peripheries of the three recesses are stepped, as at 150', 151', and 170', as seen in Fig. 3, inwardly of the rail 20.
  • ball impact force transmitted to the plastic face plate 23 is in turn transmitted to the metal body by the periphery of the face plate, in the plane of the rail, i.e., ball-striking forces on the plate 33; and turf forces on the rail, during stroking, are concentrated at lower region 180 of the head, where head forward momentum acts, for balance.
  • Use of lightweight plastic for plate 23 also enables peripheral weight concentration of head metal, to resist twist of the head, during stroking.

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)
  • Laminated Bodies (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP94300418A 1993-01-19 1994-01-19 Golfputter Expired - Lifetime EP0608128B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99924993A 1993-01-19 1993-01-19
US999249 1997-12-29

Publications (2)

Publication Number Publication Date
EP0608128A1 true EP0608128A1 (de) 1994-07-27
EP0608128B1 EP0608128B1 (de) 1997-05-02

Family

ID=25546086

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94300418A Expired - Lifetime EP0608128B1 (de) 1993-01-19 1994-01-19 Golfputter

Country Status (25)

Country Link
EP (1) EP0608128B1 (de)
JP (1) JPH07568A (de)
KR (1) KR940018110A (de)
CN (1) CN1095304A (de)
AT (1) ATE152359T1 (de)
AU (2) AU669945B2 (de)
BR (1) BR9400125A (de)
CA (1) CA2111272C (de)
DE (1) DE69402885T2 (de)
DK (1) DK0608128T3 (de)
ES (1) ES2101437T3 (de)
FI (1) FI101131B (de)
GR (1) GR3024222T3 (de)
HK (1) HK1000348A1 (de)
HU (1) HUT68983A (de)
IL (1) IL108357A (de)
NO (1) NO940179L (de)
NZ (1) NZ250680A (de)
PE (1) PE6095A1 (de)
PL (1) PL173847B1 (de)
RU (1) RU2089253C1 (de)
SG (1) SG42903A1 (de)
TW (1) TW396844U (de)
UY (1) UY23720A1 (de)
ZA (1) ZA939722B (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691143A1 (de) * 1994-07-07 1996-01-10 Callaway Golf Company Golfschlägerköpfe
EP0707870A1 (de) * 1994-10-17 1996-04-24 Callaway Golf Company Golfputterkopf
US5588922A (en) * 1992-08-05 1996-12-31 Callaway Golf Company Iron golf club head with forwardly divergent interior recess
US5588923A (en) * 1992-08-05 1996-12-31 Callaway Golf Company Golf club head with attached selected swing weight composite
US5605511A (en) * 1992-08-05 1997-02-25 Callaway Golf Company Golf club head with audible vibration attenuation
US5626530A (en) * 1992-08-05 1997-05-06 Callaway Golf Company Golf club head with sole bevel indicia
US5658206A (en) * 1995-11-22 1997-08-19 Antonious; Anthony J. Golf club with outer peripheral weight configuration
US5776010A (en) * 1997-01-22 1998-07-07 Callaway Golf Company Weight structure on a golf club head
US6605006B2 (en) 2000-07-05 2003-08-12 Milton T. Mason Golf club

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375583B1 (en) * 2000-12-15 2002-04-23 Karsten Manufacturing Corporation Golf putter head and method of making same
WO2005077471A1 (en) * 2004-02-17 2005-08-25 Simon Garry Moore Twist resistant putter
US8083611B2 (en) * 2008-11-05 2011-12-27 Sri Sports Limited Putter-type golf club head
US8480513B2 (en) * 2008-11-05 2013-07-09 Sri Sports Limited Putter-type golf club head

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113249A (en) * 1975-04-07 1978-09-12 Golf Resources, Ltd. Golf club and manufacture thereof
US4199144A (en) * 1978-10-02 1980-04-22 Skelly Michael A Golf putter
US4398965A (en) * 1976-10-26 1983-08-16 Pepsico, Inc. Method of making iron golf clubs with flexible impact surface
US4573685A (en) * 1984-09-19 1986-03-04 Banff Golf Company, Inc. Golf club head with transparent striking face
US4848747A (en) * 1986-10-24 1989-07-18 Yamaha Corporation Set of golf clubs
US5176384A (en) * 1988-05-31 1993-01-05 Yamaha Corporation Iron type golf club head

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD248181S (en) * 1976-12-29 1978-06-13 Cervantes Walter I Golf putter head
US4121832A (en) * 1977-03-03 1978-10-24 Ebbing Raymond A Golf putter
US5016882A (en) * 1986-10-24 1991-05-21 Yamaha Corporation Metallic golf club head
FR2647687A1 (fr) * 1989-06-01 1990-12-07 Salomon Sa Tete de putter
US5078398A (en) * 1990-01-24 1992-01-07 Tommy Armour Golf Company Infinitely balanced, high moment of inertia golf putter
US5332223A (en) * 1993-09-20 1994-07-26 Johnson Norman E Golf club putter and method of manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113249A (en) * 1975-04-07 1978-09-12 Golf Resources, Ltd. Golf club and manufacture thereof
US4398965A (en) * 1976-10-26 1983-08-16 Pepsico, Inc. Method of making iron golf clubs with flexible impact surface
US4199144A (en) * 1978-10-02 1980-04-22 Skelly Michael A Golf putter
US4573685A (en) * 1984-09-19 1986-03-04 Banff Golf Company, Inc. Golf club head with transparent striking face
US4848747A (en) * 1986-10-24 1989-07-18 Yamaha Corporation Set of golf clubs
US5176384A (en) * 1988-05-31 1993-01-05 Yamaha Corporation Iron type golf club head

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588922A (en) * 1992-08-05 1996-12-31 Callaway Golf Company Iron golf club head with forwardly divergent interior recess
US5588923A (en) * 1992-08-05 1996-12-31 Callaway Golf Company Golf club head with attached selected swing weight composite
US5605511A (en) * 1992-08-05 1997-02-25 Callaway Golf Company Golf club head with audible vibration attenuation
US5626530A (en) * 1992-08-05 1997-05-06 Callaway Golf Company Golf club head with sole bevel indicia
US5704849A (en) * 1992-08-05 1998-01-06 Callaway Golf Company Golf club head with audible vibration attenuation
US5749795A (en) * 1992-08-05 1998-05-12 Callaway Golf Company Iron golf club head with dual intersecting recesses
EP0691143A1 (de) * 1994-07-07 1996-01-10 Callaway Golf Company Golfschlägerköpfe
EP0707870A1 (de) * 1994-10-17 1996-04-24 Callaway Golf Company Golfputterkopf
AU690730B2 (en) * 1994-10-17 1998-04-30 Callaway Golf Company Golf putter head with face plate insert having heightened medial portion
US5658206A (en) * 1995-11-22 1997-08-19 Antonious; Anthony J. Golf club with outer peripheral weight configuration
US5776010A (en) * 1997-01-22 1998-07-07 Callaway Golf Company Weight structure on a golf club head
US6605006B2 (en) 2000-07-05 2003-08-12 Milton T. Mason Golf club

Also Published As

Publication number Publication date
NO940179D0 (no) 1994-01-18
DE69402885T2 (de) 1997-12-18
AU7034296A (en) 1997-02-13
CA2111272C (en) 1999-04-20
ATE152359T1 (de) 1997-05-15
BR9400125A (pt) 1994-08-09
AU669945B2 (en) 1996-06-27
AU693042B2 (en) 1998-06-18
KR940018110A (ko) 1994-08-16
PE6095A1 (es) 1995-03-27
CA2111272A1 (en) 1994-07-20
NO940179L (no) 1994-07-20
ES2101437T3 (es) 1997-07-01
EP0608128B1 (de) 1997-05-02
DE69402885D1 (de) 1997-06-05
HUT68983A (en) 1995-08-28
CN1095304A (zh) 1994-11-23
DK0608128T3 (da) 1997-10-20
IL108357A (en) 1997-07-13
FI940247A0 (fi) 1994-01-18
IL108357A0 (en) 1994-04-12
HU9400008D0 (en) 1994-05-30
UY23720A1 (es) 1994-06-28
JPH07568A (ja) 1995-01-06
SG42903A1 (en) 1997-10-17
TW396844U (en) 2000-07-01
ZA939722B (en) 1994-10-31
AU5302294A (en) 1994-07-28
HK1000348A1 (en) 1998-03-06
NZ250680A (en) 1995-01-27
FI101131B (fi) 1998-04-30
PL301940A1 (en) 1994-07-25
RU2089253C1 (ru) 1997-09-10
GR3024222T3 (en) 1997-10-31
PL173847B1 (pl) 1998-05-29
FI940247A (fi) 1994-07-20

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