EP0006733A2 - Tête de club de golf - Google Patents

Tête de club de golf Download PDF

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Publication number
EP0006733A2
EP0006733A2 EP79301187A EP79301187A EP0006733A2 EP 0006733 A2 EP0006733 A2 EP 0006733A2 EP 79301187 A EP79301187 A EP 79301187A EP 79301187 A EP79301187 A EP 79301187A EP 0006733 A2 EP0006733 A2 EP 0006733A2
Authority
EP
European Patent Office
Prior art keywords
runners
golf club
head
club head
sole 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.)
Withdrawn
Application number
EP79301187A
Other languages
German (de)
English (en)
Other versions
EP0006733A3 (en
Inventor
Thomas L. Crow
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.)
Cobra Golf Inc
Original Assignee
Cobra Golf Inc
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 Cobra Golf Inc filed Critical Cobra Golf Inc
Publication of EP0006733A2 publication Critical patent/EP0006733A2/fr
Publication of EP0006733A3 publication Critical patent/EP0006733A3/xx
Withdrawn legal-status Critical Current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
    • 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
    • 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

Definitions

  • a wood with a pronounced curvature in the sole has been developed for use in the rough or on the fairway, but does not have sufficient mass for good penetration.
  • the weight In weighting a wood the weight is usually centrally located behind the striking point and the weight distribution in the head is not particularly good.
  • a wood with a sole shaped like a single keel of a boat has been produced. However, this has a sharp leading edge which encourages penetration and greatly reduces the continued power of the swing.
  • the golf club head described herein is a wood with the cutting advantages of an iron or fairway wood, combined with the skidding advantage of a sand iron.
  • a wood type head is provided with a metal sole plate extending over the lower surface of the head and constituting about 55% of the total weight of the head. The mass is concentrated in the lower portion of the head, which lowers the center of mass and increases inertia and driving power. The weight is also spread to the edges of the wood for improved weight distribution and balance.
  • the sole plate has a pair of spaced parallel runners of large cross section extending from front to rear, one rib being near the toe and the other adjacent the heel of the sole.
  • the runners are generally semi-circular in cross section and extend well below the lower face of the sole plate.
  • the leading faces of the runners are inclined downwardly and rearwardly to act as skids and slid through and over the ground surface with minimum penetration.
  • the resistance is also reduced since the runners keep the body of the head above the surface and the full width of the leading edge does not penetrate so deeply into the grass.
  • the head On the fairway the head has the characteristics of a wood, but the added weight of the sole plate, with the low center of mass and good weight distribution, improves the driving power and control of the club.
  • the primary object of this invention is to provide a new and improved golf club head.
  • Another object of this invention is to provide a wood having a metal sole plate with a pair of large runners projecting below the plate to act as skids when the head strikes the ground.
  • Another object of this invention is to provide a wood with a metal sole plate which extends over the lower surface of the head and constitutes at least half the weight of the head.
  • a further object of this invention is to provide a wood having a low center of mass with the weight distributed over the sole.
  • the golf club head 10 has a wood body 12, with a shaft 14, striking face 16 and a sole 18.
  • the configuration can vary considerably, that shown being typical.
  • Sole 18 is slightly convex and inset into the sole is a metal sole plate 20, which gives the club its unique characteristics.
  • the sole plate 20 can be manufactured in several ways but is preferably made by investment casting for precision and smooth finish, and has sufficient mass to constitute about 55% of the total weight of the head.
  • the sole plate has cut out portions 22 and 24 at the toe and heel, respectively, to key into comparably shaped socket portions cut in body 12 for precise alignment. Except for the cut out portions the sole plate extends over substantially the entire lower surface or sole of the body and follows the convex contour of the sole. The weight is thus well distributed across the head but is concentrated in the lower portion, resulting in a low center of mass for the head.
  • the sole plate 20 has a pair of spaced parallel runners 26 and 28 projecting downwardly and extending from front to rear across the full width of the plate.
  • Runner 26 is positioned adjacent the toe portion of the head and runner 28 adjacent the heel portion.
  • the runners are substantially semi-circular in cross section and are quite large compared to ribbed or grooved structures which have been used.
  • the runners are about 0.30 inch deep and 0.55 inch wide, with a spacing between centers of about 1.25 inches.
  • the leading faces 30 and 32 of runners 26 and 28, immediately below the leading edge 34 of the sole plate, are inclined downwardly and rearwardly at about 35 degrees from the vertical, or 55 degrees to the horizontal lower surfaces of the runners.
  • the rear portion of the sole plate and runners can be contoured to fit the configuration of the body 12.
  • Sole plate 20 is secured to the body 12 by suitable means such as screws 36, which are inserted through the runners 26 and 28. The heads of the seated screws are finished to blend smoothly into the contours of the runners.
  • FIG. 5 A portion of a typical stroke is illustrated in Figure 5.
  • the approaching head 10A is on a downward swing about to enter the grass 38.
  • the head strikes the ball 40 in a slightly downward direction to apply a back spin, which retards rolling of the ball of the green.
  • the head is slightly above the ground surface 42 at the point of impact, but could actually contact the ground.
  • the inclined leading face 30 of runner 26, and face 32 of runner 28 act as skids and cause the head to be deflected along the surface with minimum penetration. Even if the runners do penetrate the ground to any extent, their cross sectional area is much less than the entire leading edge area of the head and resistance is minimized.
  • the head slides along the ground on the runners and then lifts away, as the ball is lofted from the ground.
  • the head On the fairway the head is used as a wood, but has the advantage of greater weight and good balance for driving power and improved trajectory of the ball.
  • the runners minimize penetration of the turf and tend to stabilize and track the head when it contacts the ground.
  • the head is thus a multi-purpose wood which can be used on the fairway or in trouble spots, with advantages and desirable characteristics of both a wood and an iron. Due to the deflecting skid action of the large runners the head causes a minimum divot and stresses on the club are reduced.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)
EP79301187A 1978-06-26 1979-06-19 Golf club head Withdrawn EP0006733A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91942478A 1978-06-26 1978-06-26
US919424 1978-06-26

Publications (2)

Publication Number Publication Date
EP0006733A2 true EP0006733A2 (fr) 1980-01-09
EP0006733A3 EP0006733A3 (en) 1980-01-23

Family

ID=25442057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79301187A Withdrawn EP0006733A3 (en) 1978-06-26 1979-06-19 Golf club head

Country Status (6)

Country Link
EP (1) EP0006733A3 (fr)
JP (1) JPS5540582A (fr)
AU (1) AU525039B2 (fr)
DE (1) DE2953202A1 (fr)
FR (1) FR2457699A1 (fr)
GB (1) GB2048693B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556502A1 (fr) * 1992-02-21 1993-08-25 Karsten Manufacturing Corporation Club de golf type bois
US5257786A (en) * 1992-06-09 1993-11-02 Dunlop Slazenger Corporation Wood-type golf club head
EP0574217A1 (fr) * 1992-06-09 1993-12-15 Dunlop Limited Tête de club de golf type bois
US5456469A (en) * 1995-01-17 1995-10-10 Macdougall; Alexander S. Dynamically stabilized golf club
US5467988A (en) * 1991-10-18 1995-11-21 Nicklaus Golf Equipment Company, L.C. Golf club head
US5516106A (en) * 1991-10-18 1996-05-14 Nicklaus Golf Equipment Co., L.C. Golf club head
US5643107A (en) * 1994-12-05 1997-07-01 Dunlop Maxfli Sports Corporation Golf club head set
US5690556A (en) * 1995-11-09 1997-11-25 Condon; Dennis Paul Putter/chipper golf club
GB2463238A (en) * 2008-09-03 2010-03-10 Angus Macinnes Golf Club

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190269U (ja) * 1983-06-03 1984-12-17 吉田　昌彦 ゴルフのクラブ
JPS62108967U (fr) * 1985-12-19 1987-07-11
JP2538164Y2 (ja) * 1990-09-25 1997-06-11 横浜ゴム株式会社 ゴルフ用クラブヘッド
JP2513055Y2 (ja) * 1991-07-19 1996-10-02 文明 楠本 ゴルフクラブ
JPH084044Y2 (ja) * 1993-02-03 1996-02-07 株式会社本間ゴルフ ウッドクラブの弾道調整具
GB0323521D0 (en) 2003-10-08 2003-11-12 Arvinmeritor Light Vehicle Sys An actuator for a vehicle door latch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1913821A (en) * 1932-06-30 1933-06-13 Arthur J Stumpf Golf club
US3068011A (en) * 1959-06-15 1962-12-11 Sano Naojiro Head of golf club
GB2009602A (en) * 1977-12-12 1979-06-20 Thompson S Golf clubs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1531821A (en) * 1923-06-29 1925-03-31 Stream Line Company Golf putter
US1669482A (en) * 1927-08-01 1928-05-15 Stanley G Miller Golf club

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1913821A (en) * 1932-06-30 1933-06-13 Arthur J Stumpf Golf club
US3068011A (en) * 1959-06-15 1962-12-11 Sano Naojiro Head of golf club
GB2009602A (en) * 1977-12-12 1979-06-20 Thompson S Golf clubs

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467988A (en) * 1991-10-18 1995-11-21 Nicklaus Golf Equipment Company, L.C. Golf club head
US5516106A (en) * 1991-10-18 1996-05-14 Nicklaus Golf Equipment Co., L.C. Golf club head
EP0556502A1 (fr) * 1992-02-21 1993-08-25 Karsten Manufacturing Corporation Club de golf type bois
US5257786A (en) * 1992-06-09 1993-11-02 Dunlop Slazenger Corporation Wood-type golf club head
EP0574217A1 (fr) * 1992-06-09 1993-12-15 Dunlop Limited Tête de club de golf type bois
US5314185A (en) * 1992-06-09 1994-05-24 Dunlop Slazenger Corporation Wood-tpe golf club head
US5643107A (en) * 1994-12-05 1997-07-01 Dunlop Maxfli Sports Corporation Golf club head set
US5456469A (en) * 1995-01-17 1995-10-10 Macdougall; Alexander S. Dynamically stabilized golf club
US5690556A (en) * 1995-11-09 1997-11-25 Condon; Dennis Paul Putter/chipper golf club
GB2463238A (en) * 2008-09-03 2010-03-10 Angus Macinnes Golf Club

Also Published As

Publication number Publication date
EP0006733A3 (en) 1980-01-23
JPS5540582A (en) 1980-03-22
DE2953202A1 (de) 1981-02-12
FR2457699A1 (fr) 1980-12-26
DE2953202C2 (fr) 1987-10-22
GB2048693B (en) 1982-07-07
AU4833479A (en) 1980-01-03
AU525039B2 (en) 1982-10-14
GB2048693A (en) 1980-12-17
FR2457699B1 (fr) 1985-03-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB

AK Designated contracting states

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

110E Request filed for conversion into a national patent application [according to art. 135 epc]
18D Application deemed to be withdrawn
RIN1 Information on inventor provided before grant (corrected)

Inventor name: CROW, THOMAS L.