WO2007079573A1 - Putter de golf avec laser - Google Patents

Putter de golf avec laser Download PDF

Info

Publication number
WO2007079573A1
WO2007079573A1 PCT/CA2007/000021 CA2007000021W WO2007079573A1 WO 2007079573 A1 WO2007079573 A1 WO 2007079573A1 CA 2007000021 W CA2007000021 W CA 2007000021W WO 2007079573 A1 WO2007079573 A1 WO 2007079573A1
Authority
WO
WIPO (PCT)
Prior art keywords
putter
golf
ball
face
light
Prior art date
Application number
PCT/CA2007/000021
Other languages
English (en)
Inventor
Jack P. Fler
Romuald Pawluczyk
Original Assignee
U-Putt 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 U-Putt Inc. filed Critical U-Putt Inc.
Publication of WO2007079573A1 publication Critical patent/WO2007079573A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
    • G02B23/105—Sighting devices with light source and collimating reflector
    • 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
    • A63B53/0487—Heads for putters
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3614—Training appliances or apparatus for special sports for golf using electro-magnetic, magnetic or ultrasonic radiation emitted, reflected or interrupted by the golf club
    • 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
    • A63B60/52—Details or accessories of golf clubs, bats, rackets or the like with slits
    • 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
    • A63B69/3685—Putters or attachments on putters, e.g. for measuring, aligning

Definitions

  • This invention relates to golf equipment, and more particular to a putter which uses one or more light sources, preferably lasers, to assist in positioning and aiming.
  • an error in angular orientation of the face of the putter when the ball is struck has a larger impact than an aiming error, and furthermore is usually harder to control. Therefore an ideal aiming means would address both factors: the orientation of the face of the putter when the ball is struck, and the movement direction of the putter during the swing and particularly at the point of impact.
  • United States patent nos. 5,593,354 (Falossi et al.), 5,707,296 (Hodgson et al.), 5,810,674 (Falossi et al.), 5,980,393 (Molinaroli et al.) and 7,066,826 (Tsoi), show twin lasers on either side of a putter head, but do not show any vertical spreading of the laser beams.
  • any laser putter in competition would be against the current rules of golf.
  • the putter is extremely useful in training the golfer to make a smooth, properly aligned putting stroke.
  • one or more lasers are mounted in the putter head, to avoid the above-mentioned problems of those prior art devices which have shaft-mounted lasers.
  • At least one laser is mounted with its beam directed perpendicular to the face of the putter. (All directions stated herein assume that the putter is upright, in a normal playing position, with its face perpendicular to the ground.)
  • a single laser is centrally mounted, to project a beam over the top of a ball positioned at the desired impact point on the face of the putter.
  • two lasers are mounted to project parallel beams on either side of a ball positioned at the desired impact point on the face of the putter.
  • the laser light is dispersed in a vertical plane by a lens, producing a vertical plane of laser light instead of a narrow beam. This results in a clearly visible line (or lines in the case of two or three lasers) extending across the ground or indoor surface.
  • the laser(s) preferably there are two switches in the handle or grip portion of the putter, preferably where the player's two thumbs should be positioned in a conventional grip, with the laser(s) being powered only when both switches are pressed.
  • Fig. 1 is a perspective view of a preferred embodiment
  • Fig. 2 is a perspective view, showing just the putter head and part of the shaft, with lasers activated;
  • Fig. 3 is a perspective view identical to Fig. 2, but showing a golf ball as well;
  • Fig. 4 is a further perspective view of the putter head, from the rear, with the cover removed;
  • Fig. 5 is front view of the putter head
  • Fig. 6 is bottom view of the putter head
  • Fig. 7 is top view of the putter and golf ball.
  • Fig. 8 is a perspective view of a casting with the lasers mounted therein.
  • Figs. 1 - 8 illustrate a preferred embodiment of the invention.
  • Fig. 1 shows the overall putter 1 , including a head 3, and a shaft 4 with a grip portion 5.
  • the face 6 of the head has three vertical slots therein, namely two side slots 7 and one upper central slot 8.
  • Figs. 2 and 3 when actuated, there are two side laser beams 9 and one upper central laser beam 10 which are projected as vertical light sheets, i.e. in a form of narrow, well collimated beams in the horizontal direction and spread out beams in the vertical direction.
  • Fig. 3 shows a ball 2 in addition to the putter itself.
  • All three beams can be produced by three separate sources of light, of the same or different wavelengths, or can be produced by division of radiation (light) from one or two sources into a required number of beams.
  • the beams are aligned in such a way that in the horizontal direction the beam axis to a large degree of precision is perpendicular to the front surface of the putter head, while in the vertical direction the axis of the beam may create an angle of up to several degrees normal to the front surface of the putter head.
  • the beams create a light track on the grass or other putting surface used for training. These tracks show the corridor along which the ball will move on a flat surface if properly struck.
  • these tracks can be used as indicators of club orientation and direction of club movement and to use this information for correction of his or her action. Furthermore, after some experience these light tracks can be used for assessment of the putting surface flatness and can be used for corresponding directional correction, i.e. to allow for "break".
  • the light beam can be spread vertically in either a continuous or discrete manner.
  • the laser beam produces a continuously illuminated light track along the putting surface.
  • This effect can be produced by any optical element which demonstrates continuous single dimensional variation of an optical path gradient across the light beam either through changes of geometrical thickness of some transparent material or through changes of the material's refractive index.
  • Continuous spread is produced by an optical element 21 with a continuously changing gradient of optical properties, but may be produced by other known means, as discussed later below.
  • the beam produces a set of spots, aligned along a line.
  • Discrete spread is produced mostly by diffractive optical elements such as gratings, holograms, binary, multilevel or continuous periodical diffractive optical elements, cylindrical Fresnel lenses and similar components known to those skilled in the art.
  • diffractive optical elements such as gratings, holograms, binary, multilevel or continuous periodical diffractive optical elements, cylindrical Fresnel lenses and similar components known to those skilled in the art.
  • the manner of producing the vertical spread (discrete or continuous) is not part of the invention as such, being well known in laser art.
  • the laser light beams are dramatically spread out in one direction, the power density of the laser beam is reduced, hence the danger of eye damage to spectators is also reduced, and moderately powerful lasers can be used without danger for other users of the golf course.
  • the two side slots 7 are spaced apart on either side of the center of the putter face and intended impact point of the ball, by a distance preferably just slightly larger than a golf ball diameter, so as to graze a side of the ball if the ball is off centre. In the preferred embodiment, that distance is approximately 4.7cm, though obviously that could be varied somewhat as desired, including being slightly narrower so as to graze both sides of the ball.
  • the central slot 8 is aligned with the intended impact point, i.e. so that it will be centered on the ball.
  • Protective covers (not specifically illustrated), transparent to the light produced by the laser or other light source, are provided across the slots to keep dust and water out.
  • Fig. 7 shows the putter head, ball and laser beams as viewed from above.
  • the golfer looking down on the putter head and golf ball will see three beams projecting towards the target, namely one which should be visible as a line or trace across the top centre of the ball if the putter is positioned properly with respect to the ball, and one on either side of the ball. Due to the vertical spread of the laser beam, the golfer will see laser tracks along the ground as an aid in alignment.
  • a putter incorporating the lasers may be sold in combination with a putter of identical appearance, shape and weighting, so that the laser version can be used in training, and the non-laser version in normal play or competition.
  • there are two such grip switches as shown in Figs. 1 and 7, such that the lasers are only turned on when the golfer grips the putter with both hands.
  • Suitable switch means for activating the laser(s) could be tactile sensors such as tensometers (strain gages), capacitance sensors, pressure gauges and any other similar devices and electronic circuits, which recognize grips by the golfer's hands and activate or deactivate the laser(s) accordingly.
  • tactile sensors such as tensometers (strain gages), capacitance sensors, pressure gauges and any other similar devices and electronic circuits, which recognize grips by the golfer's hands and activate or deactivate the laser(s) accordingly.
  • the preceding double-switch arrangement regardless of how specifically configured, reduces unintentional draining of the battery, and reduces the risk of the accidental exposure of spectators to laser light.
  • the putter shaft 4 is made of a hollow tube of any material, such as steel, aluminum or glass or carbon fiber enhanced composite, and is used as a conduit for electrical wires 12 between the switches 11 and the battery and lasers in the head.
  • the putter head 3 has a main body 15, of cast metal for example, and a cover 16, of plastic for example.
  • the cover is preferably hinged or otherwise mounted via front edges 17 and 17' (for example with a plastic bead which fits under a lip to act as a hinge), and is secured to the main body by a closing latch elements 18 and 18', for example. Opening the cover exposes the interior, where the lasers and battery 25 are installed, so that the battery can be replaced when necessary.
  • the cover of course provides protection for the internal components, preferably not only against impact, but also against dust and water. Preferably, it snaps shut via a catch, as in the preferred embodiment, though other securing means could be used, such as small screws or bolts for example.
  • the lasers are mounted in a casting 19, most clearly shown in Fig. 8.
  • the three lasers 20, preferably diode lasers, and their optical elements 21 are precisely secured by any suitable means in three correspondingly shaped holes in the casting (in this case generally cylindrical), which ensures proper alignment of the lasers relative to the casting.
  • the casting is in turn secured to the main body 15 by any suitable means which ensures alignment, for example by four screws 22 (see Fig. 6) passing from the bottom of the main body up into holes the underside of the casting (not shown).
  • the lasers can be individually mounted in the head by any suitable means, rather than being installed in a separate casting, but use of the separate casting is preferable for ease of manufacturing and assembly, and for more reliable alignment of the laser beams relative to the face of the putter.
  • the battery 25 (a standard 9-volt battery, for example) is mounted in any conventional fashion, for example via battery clips (not shown), or via a friction fit or compressible element, in opening 26 in the casting. Again, the specific manner in which the battery as mounted, as well as the type of battery, is not essential to the invention.
  • Rechargeable batteries can be used if desired. They can be recharged by removing them from the putter head and recharging in an external charger, or the putter head could be provided with a connecting socket for charging in place. In one possible embodiment, the battery could be recharged by an attachable solar panel, or by a solar panel permanently secured to or being part of the putter head or shaft.
  • a casting in which the lasers are installed can be used as an installable bottom of the putter head, equipped with construction features such as notches, markings, reference contact points or surfaces for precise installation of the base for proper positioning and alignment relative to the face of the putter.
  • the laser beams may be shaped by any optical means known to those skilled in the art, including but not limited to:
  • All lasers may have the same or different wavelengths (colors). If desired, super luminescent LEDs can be used to replace all or selected laser sources of light. Glasses with narrow band transparency peak around laser emission wavelength can be used as needed for laser beam track visibility improvement under extremely bright lighting conditions.

Abstract

Putter de golf (1) comprenant au moins un et préférentiellement trois faisceaux (9, 10), de préférence laser, projetés depuis la face avant (6) du putter, verticalement répartis. Dans un mode de réalisation, un seul laser (20) est monté de manière centrale, pour projeter un faisceau sur le sommet d'une balle (2), positionné au point d'impact désiré sur la face du putter. Dans un autre mode de réalisation, deux lasers (20) sont montés pour projeter des faisceaux (9) parallèles de chaque côté de la balle, positionnés au point d'impact désiré sur la face du putter. Dans un mode de réalisation préférentiel, trois lasers (20) sont employés, à savoir un projetant un faisceau (10) sur le sommet de la balle, et deux projetant des faisceaux (9) parallèles de chaque côté de la balle. Avantageusement, deux contacteurs (11) sont disposés dans la poignée (5) du putter, la(les) source(s) lumineuse(s) n'étant alimentée(s) que lorsque les deux contacteurs sont enfoncés.
PCT/CA2007/000021 2006-01-13 2007-01-05 Putter de golf avec laser WO2007079573A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75856806P 2006-01-13 2006-01-13
US60/758,568 2006-01-13

Publications (1)

Publication Number Publication Date
WO2007079573A1 true WO2007079573A1 (fr) 2007-07-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2007/000021 WO2007079573A1 (fr) 2006-01-13 2007-01-05 Putter de golf avec laser

Country Status (2)

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US (1) US20070167248A1 (fr)
WO (1) WO2007079573A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459861A (en) * 2008-05-07 2009-11-11 Dave Hicks Golf Ltd Laser alignment aid for custom fitting golf putters
US20200061438A1 (en) * 2018-08-23 2020-02-27 Han Joo Kim Laser Golf Putter Equipped With Power Saving Module And Method For Reducing Power Thereof
KR20210010727A (ko) * 2019-07-18 2021-01-28 김재우 골프 연습장치

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Publication number Priority date Publication date Assignee Title
US7686700B2 (en) * 2006-08-11 2010-03-30 Americo Del Raso Laser aiming golf club
WO2009099304A2 (fr) * 2008-02-05 2009-08-13 Dong In Lee Putter de golf
WO2010067917A1 (fr) * 2008-12-11 2010-06-17 Jonggun Jung Dispositif d'entraînement à l'élan de golf
US9416959B2 (en) 2012-05-17 2016-08-16 Donald Spinner Illuminated golf
US8708835B1 (en) 2012-08-27 2014-04-29 The Lazer Putter, LLC Golf putter apparatus
US20140329612A1 (en) * 2013-05-06 2014-11-06 Khanh Phi Nguyen Golf Club Swing Aid
US20170203182A1 (en) * 2016-01-20 2017-07-20 John R. Spelman Golf putter with training device
KR101856081B1 (ko) * 2016-09-13 2018-05-09 아이디어링크 주식회사 골프클럽용 스마트 퍼터
WO2022081640A1 (fr) * 2020-10-16 2022-04-21 Cstr8 Golf Llc Système et procédé pour ajuster l'alignement d'une tête de club de golf

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CA2105022A1 (fr) * 1993-08-27 1995-02-28 In Ju Kim Moyen directionnel utilise pour orienter la trajectoire d'une balle frappee par un baton
JPH0871191A (ja) * 1994-09-07 1996-03-19 Yoneo Yokota ゴルフ用パター
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US5980393A (en) * 1998-01-30 1999-11-09 Laser Precision Products Llc Golf club with laser system
CA2270740A1 (fr) * 1998-05-11 1999-11-11 Simon Torriano Dispositif d'instruction sur l'elan a utiliser pour frapper une balle de golf
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JP2005160912A (ja) * 2003-12-05 2005-06-23 Patent Island:Kk レーザ光照射装置およびこれを取り付けるゴルフパター
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459861A (en) * 2008-05-07 2009-11-11 Dave Hicks Golf Ltd Laser alignment aid for custom fitting golf putters
WO2010063983A1 (fr) * 2008-05-07 2010-06-10 Dave Hicks Golf Ltd Putters de golf
US20200061438A1 (en) * 2018-08-23 2020-02-27 Han Joo Kim Laser Golf Putter Equipped With Power Saving Module And Method For Reducing Power Thereof
KR20210010727A (ko) * 2019-07-18 2021-01-28 김재우 골프 연습장치
KR102258643B1 (ko) * 2019-07-18 2021-06-02 김재우 골프 연습장치

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