WO2002089928A1 - Dispositif pour la pratique des coups roulés en golf - Google Patents

Dispositif pour la pratique des coups roulés en golf Download PDF

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Publication number
WO2002089928A1
WO2002089928A1 PCT/CA2002/000692 CA0200692W WO02089928A1 WO 2002089928 A1 WO2002089928 A1 WO 2002089928A1 CA 0200692 W CA0200692 W CA 0200692W WO 02089928 A1 WO02089928 A1 WO 02089928A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
line
backswing
follow
lines
Prior art date
Application number
PCT/CA2002/000692
Other languages
English (en)
Inventor
Bryan T C. Bradbury
Original Assignee
Croisiere S.A.
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 Croisiere S.A. filed Critical Croisiere S.A.
Publication of WO2002089928A1 publication Critical patent/WO2002089928A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0003—Analysing the course of a movement or motion sequences during an exercise or trainings sequence, e.g. swing for golf or tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3667—Golf stance aids, e.g. means for positioning a golfer's feet
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3676—Training appliances or apparatus for special sports for golf for putting
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B2071/0694—Visual indication, e.g. Indicia
    • 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
    • A63B2209/10—Characteristics of used materials with adhesive type surfaces, i.e. hook and loop-type fastener
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/12—Miscellaneous features of sport apparatus, devices or equipment with mirrors
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0686—Timers, rhythm indicators or pacing apparatus using electric or electronic means

Definitions

  • the present invention relates to a golf putting practice and training device.
  • This invention relates to a golf putting training and practice device which is portable, simple to construct, and which allows a golfer to improve his putting stroke through feedback provided both at address and during the golf swing.
  • US Patent 5,131 ,659 discloses a practice aid with indicia marked, preferably by a silk screening technique, on a reflective sheet. This aid:
  • (a) uses side panels to constrain the putter to a recommended path on both the backswing and the follow-through.
  • the side panels may be adjusted between a small number of fixed positions. This may be problematic for the following reasons: If the gap between the putter head and the side panels is too small, the putter head may bump against one or other side panel making the task for the golfer too challenging. Alternatively, if the gap is too wide, the putter can waver further off course than is desirable.
  • (b) has a channel cut in the base plate so that the ball can remain on the underlying putting surface. Although this provides the truest roll for the ball, having the channel removes the opportunity of providing guide lines to assist with the follow-through.
  • a number of prior devices include curved or divergent lines or patterns that distract from the desired rectilinear motion of the putting stroke. Some include raised walls or other raised elements that also provide a distraction. None provide a simple device for adequately facilitating an accurately repeatable backswing, ball contact and follow-through.
  • the present invention is a device that a golfer can use as a putting practice aid to improve his or her putting stroke.
  • the device comprises a thin, flat, flexible reflective sheet, preferably oblong, on which are marked a number of guide lines.
  • the golfer lines up the long axis of the device in the direction of the target and places a ball on the sheet at a marked mounting spot.
  • the golfer can use the guide lines in conjunction with the reflective surface to practice a putting stroke.
  • All guide lines on the preferred embodiment are either parallel or perpendicular to the target line.
  • the mounting spot is preferably somewhat closer to the backswing end of the sheet than it is to the follow-through end of the sheet.
  • the device enables a golfer to:
  • the present invention is designed specifically to produce a smooth, accurate and repeatable putting stroke, one which avoids any jerkiness or misalignment of the club face.
  • the practice technique used preferably calls on the golfer to put to one side the speed factor during practice and repeatedly work on a single swing of a constant strength. This makes it possible for the golfer to work on developing a consistent uniform stroke with the aid of this invention. After sufficient practice, the golfer can then broaden the scope of the practice to putts of differing lengths by adjusting the stroking speed and the length of the backswing.
  • Figure 1 is a plan view of the preferred embodiment of a putting trainer.
  • Figure 2 is a front elevation view of the putting trainer and an enlargement of one area of finer detail in the vicinity of one end of a cross line.
  • Figure 3 is a side elevation view of the putting trainer and an enlargement of the area in the vicinity of one end of the target line.
  • Figure 4 is a bottom view of the putting trainer.
  • Figure 5 is a sketch of a right-handed golfer towards the end of the follow-through of a putting stroke, using the putting trainer.
  • Figure 1 shows a plan view of the preferred embodiment of a putting trainer.
  • a putting trainer 1 is a reflective multilayered sheet, generally of rectangular shape with a long axis 2 and a short axis 3, with guide lines thereon as described below.
  • the sheet 1 comprises an upper transparent layer 11 of relatively hard but flexible plexiglass or transparent plastics material, a reflective coating 12 on its underside, and a protective bottom layer 13, as will be described in more detail below with reference to Figure 2.
  • the long axis 2 of the sheet 1 is aligned parallel to the desired path of the ball.
  • the sheet 1 should be long enough to accommodate a full backswing and follow-through of an average golfer; the golfer is able to use the edge between the face and the sole of the club to keep the club face aligned parallel to the guide lines 7 (to be described below) throughout the complete backswing, putting stroke, and follow-through.
  • the putting trainer 1 is approximately 1 m (39 ") long which is sufficient to allow golfers to practice a wide range of lengths of putt with a full backswing and follow- through.
  • the short axis 3 is aligned generally parallel to the golfer's feet which are shown schematically in dashed lines as 4 (left foot) and 5 (right foot), for a right-handed golfer.
  • the width of the putting trainer 1 should be small enough so that, in a comfortable stance, the golfer's toes do not overlap the putting trainer 1.
  • the putting trainer 1 is approximately 18 cm (7 ") wide.
  • a right-handed golfer stands as schematically shown by the footprints 4 and 5 in Figure 1 with the backswing end 9 on his right and the follow-through end 10 on his left.
  • the corners of the sheet 1 may be slightly rounded to avoid chipping or injury during handling.
  • the putting trainer presents a flat, generally mirrored surface on which a number of guide lines to be described below and a mounting spot 8 are visible.
  • the putting trainer has:
  • transverse guide lines 7 (the "cross lines", only three of which are labelled in Figure 1) running parallel to the short axis and perpendicularto the target line, each extending across the entire width of the sheet 1, the guide lines 7 being spaced along the length of the sheet 1 in the manner further described below.
  • the mounting point 8 is marked as a distinctive point where the golfer places the ball (not shown) on the putting trainer 1.
  • the mounting spot 8 should be as small as possible so as not to distract the golfer during the swing but yet be large enough and of sufficient contrast to the background to be seen easily by a standing golfer.
  • the mounting spot 8 may suitably be shaped and coloured in a variety of ways.
  • the mounting spot 8 is a yellow circle of approximately 0.25 cm (0.1 ") diameter. It may be formed on the underside of the sheet 1 by placing a drop of coloured paint at the intersection of the target line and a selected cross line.
  • the putting trainer is not symmetric along the long axis about the mounting spot.
  • Figure 1 shows a backswing end 9 and a follow-through end 10. The length from the mounting spot to the follow-through end 10 is greater than the length from the mounting spot to the backswing end 9.
  • a left-handed golfer whose footprints are not shown, stands on the other side of the putter trainer 1 with the backswing end 9 on his left and the follow-through end 10 on his right.
  • Figure 2 shows a front elevation of the putting trainer 1 and an enlargement of one area of finer detail.
  • the rear elevation is identical, save for the orientation of the distribution pattern of the ends of the cross lines 7, whose spacing invariably increases from the backswing end 9 to the mounting spot 8 and thereafter is uniform from the mounting spot 8 through to the follow-through end 10.
  • the putting trainer 1 is made as a sheet of a transparent flexible material 11 with a reflective layer 12 protected by a durable plastic coating 13, which is widely available commercially. An acrylic mirror product made by Plaskolite Inc. of Columbus, Ohio is suitable for the purpose.
  • the putting trainer 1 has a flat upper surface and is of a generally uniform thickness.
  • a golf ball can roll on the smooth surface to the follow-through end 10 where it drops to the surface underlying the putter trainer.
  • the putting trainer may be bevelled at the follow-through end 10 to reduce the abruptness of the drop from the upper surface to the surface underlying the putter trainer.
  • the thickness of the material is selected to balance the preference for a thinner product which gives a smaller drop at the follow-through end and a greater flexibility (and thus is better able to conform to the underlying surface) against the preference for a thicker product which is stronger.
  • a thickness of 3 mm (1/8 ") is suitable for the acrylic mirror product made by Plaskolite Inc.
  • the reflective layer 12 is of a conventional composition and has a mirrored surface reflecting upwardly which is adhered to the bottom surface of the putting trainer by conventional means and which is protected by a durable plastic coating 13.
  • the target line 6 and the cross lines 7 shown in Figure 1 are formed by making channels 14 through the plastic coating 13, the reflective layer 12 and a portion of the transparent sheet 11 with a saw blade or a knife, by etching, chemical solvents or by other conventional means, so that sufficient material is removed from the plastic coating 13 and the reflective material 12 to make the channels distinctly visible from above.
  • the width of the channels 14 is not critical but should be sufficient so that the target line 6 and cross lines 7 are easily visible to a golfer whose head is as much as 2 m (6 ') above the upper surface of the putting trainer 1.
  • a channel width of 2 mm (1/12 ") is found to be suitable.
  • Figure 2 shows an enlargement of the front view of one cross line 7 formed as a channel 14 in the reflective layer 12 and plastic coating 13.
  • the areas of the reflective layer 12 from which reflective material have been removed may be painted or coated to improve their visibility.
  • the sheet 1 is first manufactured with three layers and channels 14 are cut as described above.
  • the target line 6 and the cross lines 7 may be:
  • the reflective layer 12 may first be adhered to the lower surface of the transparent sheet 11 and the target line 6 and the cross lines 7 formed, prior to the application of the plastic coating 13, by ablating portions of the reflective material 12 and applying opaque paint to form a suitably visible pattern of lines.
  • Figure 3 is an elevation view of the backswing end 9 and an enlargement of the area in the vicinity of the target line 6.
  • the elevation from the follow-through end 10 is identical. This elevation shows the transparent acrylic material 11 with affixed reflective layer 12, protective plastic coating 13 and a channel 14 cut to make the target line 6.
  • Figure 4 is a bottom view of the putting trainer 1.
  • This bottom surface of the putting trainer has a plastic coating 13 which protects the reflective material (not shown) and in which are cut the channels that make the target line 6 and the cross lines 7.
  • the mounting spot 8 is made by painting a small, approximately circular area at the intersection of the target line and the line of address.
  • Figure 5 shows a sketch of a right-handed golfer 15 in the position he would assume at the end of the follow-through of his putting stroke using the putting trainer 1.
  • the location of the mounting spot 8 and the cross lines 7 is determined as follows:
  • the mounting spot 8 is located at a point approximately 60-70% of the way along the target line 6 as measured from the follow-through end
  • the design decision to provide in the preferred embodiment more trainer length for observing the golfer's follow-through relative to the backswing reflects the importance of the follow-through part of the swing.
  • a set of evenly spaced cross lines 7 are made between the mounting spot 8 and the follow-through end 10 so that they are between about two and twenty in number.
  • One cross line 7 is made towards the backswing end 9 and separated from the line of address 16 by the same width as that used to space out the cross lines 7 made on the side of the mounting spot 8 towards the follow-through end 10.
  • Additional cross lines 7 are added between the line described in the previous paragraph and the backswing end 9 of the putting trainer 1 so that each line is spaced from its predecessor by a successively narrower gap.
  • the spacing of the additional cross lines 7 is made so that the ratio of the distance from that cross line to its successor (or the edge at the backswing end 9 for the last cross line) is a fixed ratio, less than 1 and greater than zero, of the distance from that cross line to its predecessor. In the preferred embodiment of the invention, this ratio is selected to be between 0.7 and 0.9.
  • the values for the ratio are drawn from a table, such values based on feedback provided by golfers as to their subjective experiences.
  • One or more tables can be prepared from guidance provided by skilled golfers and used as models for preparing the guide line spacing. Ultimately, an empirical approach is best taken to guide line spacing selection and to dimensional choices generally.
  • the putting trainer 1 is designed to produce a simple putting stroke that produces few errors and provides the assurance ofa consistent and repeatable stroke. Ideally the stroke has a slow and smooth backswing without any jerking, a smooth forward motion, a square impact so that the desired path of the golf ball is orthogonal to the club face and a long follow-through with the putter continuing in contact with the ball so as to impart top spin which assists in keeping the ball on track.
  • a golfer using the putting trainer employs the following steps to improve his or her putting stroke:
  • the golfer places the putting trainer 1 on the ground or on a surface indoors so that the target line 6 points along the path on which the golfer intends to hit the ball.
  • the golfer stands with his or her dominant eye exactly over the ball, the dominant eye being determined as follows: (i) the golfer stands over the putting trainer so that the mounting spot appears in the golfer's reflection equally between the eyes; (ii) the golfer, in turn and one at a time, closes each eye and observes the lateral shift of the image of the mounting spot; (iii) the dominant eye is selected as the open eye which produces the smallest lateral shift, (d) should the golfer choose not to determine his or her dominant eye, the golfer should stand with the mounting spot appearing in the golfer's reflection equally between the eyes, (d) the golfer places the club face just behind the ball with the putter's sweetspot marker on the target line 6 and directly behind the centre of the ball.
  • the golfer makes a slow backswing keeping the sweet spot marker directly above the target line 6 and the putter face perpendicularto the target line 6 throughout the backswing by checking the reflection of the putter face against the cross lines 7.
  • the cross lines 7 on the backswing side appear underneath the club face and are visible in the golfer's peripheral vision. If the putter is slowed smoothly the lines appear at a uniform rate. If the backswing is not slowed smoothly or is abbreviated then the cross lines do not appear at a uniform rate. This provides a clear visual signal to a golfer whether his putting stroke is as recommended.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)

Abstract

L'invention concerne un dispositif portable pour la pratique des coups roulés en golf. Ce dispositif, utilisé par les golfeurs pour améliorer leurs coups roulés, comporte une feuille plastique souple pourvue d'une couche réfléchissante et des lignes de guidage, toutes deux parallèles et perpendiculaires à la trajectoire prévue de la balle. Lors de la frappe, les lignes de guidage et la surface réfléchissante fournissent au golfeur des informations qui permettent de savoir ; (a) si la face du club est perpendiculaire à la trajectoire prévue ; (b) si le putter a été ramené à la position parallèle à la trajectoire prévue ; (c) si la montée s'effectue lentement et en douceur ; et (d) si l'accompagnement s'est prolongé. De préférence, le dispositif selon l'invention est constitué d'un matériau plexiglass recouvert d'une couche réfléchissante protégée sur laquelle sont pratiquées les lignes de guidage. La feuille est oblongue et pourvue d'une ligne de ciblage orientée dans le sens longitudinal de bout en bout qui coupe la feuille. Un point destiné au montage de la balle de golf est prévu à moins de la moitié de la distance de la ligne de ciblage telle que mesurée à partir de la fin de la montée. L'espacement séparant les lignes de guidage transversales successives augmente à mesure que l'on progresse de la fin de la montée au point de montage de la balle, puis, du point de montage de la balle à l'extrémité d'accompagnement, les lignes de guidage transversales sont uniformément espacées.
PCT/CA2002/000692 2001-05-09 2002-05-08 Dispositif pour la pratique des coups roulés en golf WO2002089928A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002347193A CA2347193A1 (fr) 2001-05-09 2001-05-09 Dispositif de pratique de coups roules de golf
CA2,347,193 2001-05-09

Publications (1)

Publication Number Publication Date
WO2002089928A1 true WO2002089928A1 (fr) 2002-11-14

Family

ID=4169008

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2002/000692 WO2002089928A1 (fr) 2001-05-09 2002-05-08 Dispositif pour la pratique des coups roulés en golf

Country Status (3)

Country Link
US (1) US20020169029A1 (fr)
CA (1) CA2347193A1 (fr)
WO (1) WO2002089928A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110437A1 (it) * 2011-05-16 2012-11-17 Roberto Chiono Attrezzatura di allenamento per il gioco del golf

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030203762A1 (en) * 2002-04-29 2003-10-30 Ross Kenneth Jay Golf training device
WO2005030347A1 (fr) 2003-09-26 2005-04-07 Towsen Brian Lawrance Serviette de bain pour l'entrainement et la pratique du golf
CA2494462A1 (fr) * 2005-01-26 2006-07-26 Daito Precision Inc. Mesureur de coups de golf roules
US8075412B2 (en) * 2008-06-20 2011-12-13 Neumayer Tekfor Holding Gmbh Displacement unit
US8029379B1 (en) 2010-04-07 2011-10-04 Chad Johansen Golf putting training apparatus and method of training a golfer to use a putter
US8029380B1 (en) * 2010-04-07 2011-10-04 Chad Johansen Golf putting training apparatus and method of training a golfer to use a putter

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131659A (en) 1991-07-10 1992-07-21 Lindberg Jr Eugene J Golf putting training and practice aid
GB2270003A (en) * 1992-08-21 1994-03-02 Ppk International Golf practice aid.
US5294124A (en) 1992-04-17 1994-03-15 Florian Raymond J Golfer's putting practice device
US5348304A (en) * 1993-07-12 1994-09-20 Meade John C Golf club swing training method
US5362057A (en) 1993-09-21 1994-11-08 Juichi Arima Gulf putting practice guide
US5827128A (en) * 1996-09-23 1998-10-27 Neil Finch, Inc. Golf stroke alignment tool
US5910053A (en) * 1998-06-08 1999-06-08 Awl Golf Golf-swing practice device
US6019685A (en) * 1999-02-18 2000-02-01 Fonseca; Addy Golf putting practice device
WO2001089638A1 (fr) * 2000-05-24 2001-11-29 Alberto Ross Martelli Dispositif d'alignement pour golf

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131659A (en) 1991-07-10 1992-07-21 Lindberg Jr Eugene J Golf putting training and practice aid
US5294124A (en) 1992-04-17 1994-03-15 Florian Raymond J Golfer's putting practice device
GB2270003A (en) * 1992-08-21 1994-03-02 Ppk International Golf practice aid.
US5348304A (en) * 1993-07-12 1994-09-20 Meade John C Golf club swing training method
US5362057A (en) 1993-09-21 1994-11-08 Juichi Arima Gulf putting practice guide
US5827128A (en) * 1996-09-23 1998-10-27 Neil Finch, Inc. Golf stroke alignment tool
US5910053A (en) * 1998-06-08 1999-06-08 Awl Golf Golf-swing practice device
US6019685A (en) * 1999-02-18 2000-02-01 Fonseca; Addy Golf putting practice device
WO2001089638A1 (fr) * 2000-05-24 2001-11-29 Alberto Ross Martelli Dispositif d'alignement pour golf

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110437A1 (it) * 2011-05-16 2012-11-17 Roberto Chiono Attrezzatura di allenamento per il gioco del golf
WO2012156935A1 (fr) * 2011-05-16 2012-11-22 Chiono Roberto Équipement d'entraînement au golf
US9205318B2 (en) 2011-05-16 2015-12-08 Roberto Chiono Golf training equipment

Also Published As

Publication number Publication date
US20020169029A1 (en) 2002-11-14
CA2347193A1 (fr) 2002-11-09

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