US2784969A - Golf clubs - Google Patents

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Publication number
US2784969A
US2784969A US383874A US38387453A US2784969A US 2784969 A US2784969 A US 2784969A US 383874 A US383874 A US 383874A US 38387453 A US38387453 A US 38387453A US 2784969 A US2784969 A US 2784969A
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Prior art keywords
shaft
clubs
club
set
impact
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Expired - Lifetime
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US383874A
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Thomas O Brandon
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AG SPALDING AND BROS Inc
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AG SPALDING AND BROS Inc
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Priority to US383874A priority Critical patent/US2784969A/en
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Publication of US2784969A publication Critical patent/US2784969A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/047Heads iron-type
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B2053/005Club sets
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B2053/0433Heads with special sole configurations

Description

March 12, 1957 BRANDQN 2,784,969

GOLF CLUBS Filed Oct. 2, 1955 IN VENTOR 1 1 0. Brandon ATTOR NEYS United States Patent A. G. Spaltling & Bros., Inc., Chicopee, Mass., a corporation of Delaware Application October 2, 1953, Serial No. 383,874

1 Claim. (Cl. 273-77) The present invention relates to a series or set of golf clubs of the iron type having different loft angles and correlated impact points to provide a uniform feel and maximum power with a maximum of control in the play thereof.

Heretofore, as is clearly set forth in the patent to W. F. Reach No. 1,642,462 it has been assumed that the proper point of impact or sweet spot should lie in a horizontal plane a uniform distance above the ground for all clubs independently of the loft of the striking face or the location of the sweet spot with respect to the center line of the shaft. I have found that clubs so made do not have a uniformity of feel or an optimum of power and control.

It is an object of the present invention to over-come these difficulties by providing a. series of clubs in which the impact points on the clubs are correlated and located so as to produce a uniform feel and playing properties throughout the series of clubs. This is accomplished according to the present invention by locating an impact point on the striking face so that it lies in the plane of the center line of the shaft, i. e., that plane passing through the center line of the shaft and extending longitudinally of the head .and perpendicular to the line of play and at a vertical height on .the striking face above the base line, which becomes the ground line at the time ofimpact, which is a function of the radiusof the ball and the loft angle of the face.

By correlating the height and location of the impact point on the various clubs in the set with respect to the ground line or base line and the plane passing through the center line of the shaft, I have been able to provide a proper striking point or impact point on the striking face of each club for the loft of the particular club which will produce a uniform feel throughout the set and a maximum power with a maximum of control obtainable with each club in the set.

Other features and advantages of the invention will be apparent from the specification and claim when considered in connection with the drawings in which:

Figure 1 shows a front end view of the head portion of a No. 2 iron.

Fig. 2 shows a front end view of the head portion of a No. 6 iron.

Fig. 3 shows a front end view of the head portion of a No. iron.

Fig. 4 shows a front end view of the head portion of a wedge iron.

In playing a game of golf, it is usual to have a set of irons which consists of nine clubs and numbered 1 to 9, each club as it ascends in number being provided with a striking face having an increased loft angle, i. e., the angle between the striking face and the vertical. By no lecting a club with the proper loft, the player can produce the desired distance and trajectory of the ball necessary in properly playing the game.

I have found that by locating the point of impact so that it lies in the plane of the center line of the shaft,

2,784,969 P Z tented Mar. 12, 1

i.. a, that plane which includes the center line of the shaft and extends longitudinally of the club head and p617 pendicular to the line of play of the club, and .at a proper height above the baseline or ground line at the limit: of impact a predetermined distance which is. a function of the diameter of the ball and the loft :angle, I can produce a set of clubs which has a uniform feel throughout play.

Further, by placing the impact point on the plane of the center line of the shaft, I can secure a maximum of power with a maximum of control of the shot. If the impact point is placed behind the plane of the center line of the shaft the control is increased but the power is decreased, whereas if the point of impact is in front of the plane of the center line of the shaft the power of the shot is increased but the control is decreased.

In illustrating the present invention all of the clubs of the set have not been shown but clubs taken at spaced intervals in the set have been illustrated. Fig. l shows a No. 2 iron comprising a shaft 10, a head 11 having a hosel 12 to receive the shaft and a striking face 13. The loft angle 02 for a No. 2 iron herein illustrated is 20". The proper impact point P2 is located in the plane of the of the club head or perpendicular to the paper of the drawing. The vertical height above the ground line GL center line 6; of the shaft and extending longitudinally of the club head or perpendicular to the paper of the drawing. The vertical height above the ground line GL of P2 is determined by the formula H=rr sine 0. In the particular club shown, using the radius of a standard golf ball B as .84, the vertical height I-Iz is .55 3 inch.

In the No. 6 iron which is midway of the set and shown in Fig. 2, the loft angle 66 is 35 The impact point P5 is again located in the plane including the center line of the shaft. The vertical height H6 above the ground line GL, as determined by the above formula, is .358 inch.

In Fig. 3 is shown a No. 10 iron having the maximum loft of the set. The loft angle 09 is 52". It will be noted that the impact point P9 on the striking face in the plane of the center line of the shaft with a vertical height H9 of .178 inch.

Similarly, each of the other clubs in the set can have the location of the impact point for the club properly located for the particular loft angle of the club so that the impact points throughout the whole set are properly correlated, thus producing a uniform feel throughout the entire set with maximum power and maximum control of the shot played by each club.

'Under some circumstances, it is desired to have additional auxiliary clubs, such as a Wedge iron which has a subs'ole which extends below the ground line GL at the time of impact as shown in Fig. 4. This club has a loft angle 010 of 55 and an impact point P10 located in the plane of .the center line of the shaft and at a vertical height H10 above the ground line at the time of impact of .152 inch.

Thus, it will be seen that in accordance with the present invention auxiliary clubs can be provided which will fit in with the set of irons and have uniform feel and control along with said irons so as to become, in effect, a part of the set.

Variations and modifications may be made within the scope of the claim and portions of the improvements may be used without others.

I claim:

"In a complete set of correlated golf clubs of the iron type, each club having a shaft and a head provided with a striking face having a different loft angle and adapted to strike a golf ball having a predetermined radius, the improvement consisting in having the impact points throughout the whole set correlated as follows: the s'trik' ing 'point on the face of each club lies 'in a plane including the centerline of the shaft and extending longitudinally of the club head and perpendicular to the line of play and at a height above the ground determined by the formula H=r-r sine 0 where H is the vertical height above the ground at the time of impact, r is the radius of the golf ball and 9 the loft angle of the striking face whereby a maximum power With a maximum control is obtained.

References Cited in the file of this patent UNITED STATES PATENTS

US383874A 1953-10-02 1953-10-02 Golf clubs Expired - Lifetime US2784969A (en)

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Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027163A (en) * 1958-12-12 1962-03-27 Lawrence T Saatzer Lawn golf game
US3037770A (en) * 1959-06-17 1962-06-05 John S Palmer Golf club
US3079157A (en) * 1960-06-07 1963-02-26 Wilson Athletic Goods Mfg Co I Sand wedge golf club
US3166320A (en) * 1961-06-29 1965-01-19 Onions John Henry Golf club
US3176987A (en) * 1962-09-27 1965-04-06 Frank L Johnston Golf club including means for aligning the shaft, hosel and striking face
US3655188A (en) * 1969-07-09 1972-04-11 Karsten Solheim Correlated golf club set
US3947041A (en) * 1973-12-10 1976-03-30 Jerry Barber Golf club
FR2335247A1 (en) * 1975-12-18 1977-07-15 Herstal Sa Set of golf clubs
US4247105A (en) * 1975-12-18 1981-01-27 Fabrique National Herstal S.A. Set of golf clubs
US4322083A (en) * 1978-10-26 1982-03-30 Shintomi Golf Co., Ltd. Golf club head
US4895367A (en) * 1987-06-05 1990-01-23 Bridgestone Corporation Golf club set
US5060949A (en) * 1989-03-10 1991-10-29 Brill Edward F Golf club construction
US5230510A (en) * 1992-05-06 1993-07-27 Duclos Clovis R Elevated hosel golf club
EP0574334A2 (en) * 1992-06-11 1993-12-15 Roger CLEVELAND Golf Company Inc. Golf club
FR2692156A1 (en) * 1992-06-11 1993-12-17 Rossignol Sa Club for golf practice.
US5377978A (en) * 1994-07-05 1995-01-03 Lee; Michael C. W. Golf club hosel shift
US5433439A (en) * 1993-09-15 1995-07-18 Hsien; James C. Golf club set having progressively offset faces
US5497992A (en) * 1994-09-19 1996-03-12 Ritke; Harold A. Golf club and set having shaft axis extending through impact point
US5643102A (en) * 1993-09-15 1997-07-01 Hsien; James C. Golf club set having progressively offset faces
US5720672A (en) * 1996-06-21 1998-02-24 Smith; George W. Golf club
US5830082A (en) * 1997-03-24 1998-11-03 White; Larry J. Golf chipper club construction
US5928089A (en) * 1994-09-19 1999-07-27 Smith; George W. Golf club
US6168536B1 (en) 1997-12-30 2001-01-02 Love It Golf Company Golf club head
US6402647B1 (en) 1999-02-25 2002-06-11 Arthur S. Haseltine Kick-strengthening soccer practice ball, and production and training
US6471601B1 (en) 2000-01-21 2002-10-29 Acushnet Company Golf club sole configuration
US20030162599A1 (en) * 2002-02-28 2003-08-28 Lon Klein Integrated putter system
US20100304883A1 (en) * 2009-05-29 2010-12-02 Gilbert Peter J Wedge type golf club head
US20120220388A1 (en) * 2011-02-25 2012-08-30 Donald B. Fisher Golf club wedge head
US9211450B2 (en) 2009-05-29 2015-12-15 Acushnet Company Wedge type golf club head
USD762792S1 (en) 2015-02-12 2016-08-02 Acushnet Company Wedge golf club head
USD773574S1 (en) 2015-02-12 2016-12-06 Acushnet Company Wedge golf club set
US9713751B2 (en) 2009-05-29 2017-07-25 Acushnet Company Wedge type golf club head
US20180036605A1 (en) * 2011-11-28 2018-02-08 Acushnet Company Set of golf club heads and method of manufacture
USD829837S1 (en) 2017-03-01 2018-10-02 Acushnet Company Wedge golf club
US20180296883A1 (en) * 2017-04-14 2018-10-18 Sumitomo Rubber Industries, Ltd. Golf club set

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642462A (en) * 1925-10-20 1927-09-13 Spalding & Bros Ag Golf club
GB359487A (en) * 1929-11-16 1931-10-19 Mavis Machine Corp Improvements in golf clubs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642462A (en) * 1925-10-20 1927-09-13 Spalding & Bros Ag Golf club
GB359487A (en) * 1929-11-16 1931-10-19 Mavis Machine Corp Improvements in golf clubs

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027163A (en) * 1958-12-12 1962-03-27 Lawrence T Saatzer Lawn golf game
US3037770A (en) * 1959-06-17 1962-06-05 John S Palmer Golf club
US3079157A (en) * 1960-06-07 1963-02-26 Wilson Athletic Goods Mfg Co I Sand wedge golf club
US3166320A (en) * 1961-06-29 1965-01-19 Onions John Henry Golf club
US3176987A (en) * 1962-09-27 1965-04-06 Frank L Johnston Golf club including means for aligning the shaft, hosel and striking face
US3655188A (en) * 1969-07-09 1972-04-11 Karsten Solheim Correlated golf club set
US3947041A (en) * 1973-12-10 1976-03-30 Jerry Barber Golf club
FR2335247A1 (en) * 1975-12-18 1977-07-15 Herstal Sa Set of golf clubs
US4147349A (en) * 1975-12-18 1979-04-03 Fabrique Nationale Herstal S.A. Set of golf clubs
US4247105A (en) * 1975-12-18 1981-01-27 Fabrique National Herstal S.A. Set of golf clubs
US4322083A (en) * 1978-10-26 1982-03-30 Shintomi Golf Co., Ltd. Golf club head
US4895367A (en) * 1987-06-05 1990-01-23 Bridgestone Corporation Golf club set
US5060949A (en) * 1989-03-10 1991-10-29 Brill Edward F Golf club construction
US5230510A (en) * 1992-05-06 1993-07-27 Duclos Clovis R Elevated hosel golf club
EP0574334A2 (en) * 1992-06-11 1993-12-15 Roger CLEVELAND Golf Company Inc. Golf club
FR2692156A1 (en) * 1992-06-11 1993-12-17 Rossignol Sa Club for golf practice.
EP0574334A3 (en) * 1992-06-11 1994-04-06 Rossignol Sa
US5433439A (en) * 1993-09-15 1995-07-18 Hsien; James C. Golf club set having progressively offset faces
US5643102A (en) * 1993-09-15 1997-07-01 Hsien; James C. Golf club set having progressively offset faces
US5377978A (en) * 1994-07-05 1995-01-03 Lee; Michael C. W. Golf club hosel shift
US5497992A (en) * 1994-09-19 1996-03-12 Ritke; Harold A. Golf club and set having shaft axis extending through impact point
US5928089A (en) * 1994-09-19 1999-07-27 Smith; George W. Golf club
US5720672A (en) * 1996-06-21 1998-02-24 Smith; George W. Golf club
US5830082A (en) * 1997-03-24 1998-11-03 White; Larry J. Golf chipper club construction
US6168536B1 (en) 1997-12-30 2001-01-02 Love It Golf Company Golf club head
US6932714B2 (en) * 1997-12-30 2005-08-23 Love It Golf Company Golf club head
US6565451B1 (en) * 1997-12-30 2003-05-20 Lovett Golf Company Golf club head
US20030199336A1 (en) * 1997-12-30 2003-10-23 Lovett Golf Company Golf club head
US6402647B1 (en) 1999-02-25 2002-06-11 Arthur S. Haseltine Kick-strengthening soccer practice ball, and production and training
US6471601B1 (en) 2000-01-21 2002-10-29 Acushnet Company Golf club sole configuration
US6645085B2 (en) 2000-01-21 2003-11-11 Acushnet Company Golf club sole configuration
US20030162599A1 (en) * 2002-02-28 2003-08-28 Lon Klein Integrated putter system
US7331876B2 (en) * 2002-02-28 2008-02-19 Lon Klein Integrated putter system
US9713751B2 (en) 2009-05-29 2017-07-25 Acushnet Company Wedge type golf club head
US20100304883A1 (en) * 2009-05-29 2010-12-02 Gilbert Peter J Wedge type golf club head
US9821202B2 (en) 2009-05-29 2017-11-21 Acushnet Company Wedge type golf club head
US8568249B2 (en) 2009-05-29 2013-10-29 Acushnet Company Wedge type golf club head
US9211450B2 (en) 2009-05-29 2015-12-15 Acushnet Company Wedge type golf club head
US8187120B2 (en) * 2009-05-29 2012-05-29 Acushnet Company Wedge type golf club head
US20120220388A1 (en) * 2011-02-25 2012-08-30 Donald B. Fisher Golf club wedge head
US20180036605A1 (en) * 2011-11-28 2018-02-08 Acushnet Company Set of golf club heads and method of manufacture
USD762792S1 (en) 2015-02-12 2016-08-02 Acushnet Company Wedge golf club head
USD773574S1 (en) 2015-02-12 2016-12-06 Acushnet Company Wedge golf club set
USD829837S1 (en) 2017-03-01 2018-10-02 Acushnet Company Wedge golf club
US10493337B2 (en) * 2017-04-14 2019-12-03 Sumitomo Rubber Industries, Ltd. Golf club set
US20180296883A1 (en) * 2017-04-14 2018-10-18 Sumitomo Rubber Industries, Ltd. Golf club set

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