US3466049A - Golf practice device - Google Patents

Golf practice device Download PDF

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Publication number
US3466049A
US3466049A US696348A US3466049DA US3466049A US 3466049 A US3466049 A US 3466049A US 696348 A US696348 A US 696348A US 3466049D A US3466049D A US 3466049DA US 3466049 A US3466049 A US 3466049A
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United States
Prior art keywords
ball
assembly
golf
cup
target
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Expired - Lifetime
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US696348A
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English (en)
Inventor
Robert B Fox
Ernst F Sturm
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ERNST F STURM
Original Assignee
ERNST F STURM
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Filing date
Publication date
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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
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/36—Training appliances or apparatus for special sports for golf
    • A63B69/3623—Training appliances or apparatus for special sports for golf for driving
    • A63B69/3632—Clubs or attachments on clubs, e.g. for measuring, aligning
    • 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
    • A63B24/0062—Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance
    • A63B2024/0068—Comparison to target or threshold, previous performance or not real time comparison to other individuals
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00—Measuring of physical parameters relating to sporting activity
    • A63B2220/50—Force related parameters
    • A63B2220/51—Force
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S403/00—Joints and connections
    • Y10S403/01—Magnetic

Definitions

  • a simulated golf club has magnetically held to its lower end a releasable ball member which, if a proper golf swing has been executed with said club, twill be detached from the cl-ub and enter an opening in a target member which is positioned forwardly of the golfer.
  • the ball member is detachably secured to the club by a holding element thereon which lits into a cup attached to the ball member.
  • the holding element magnetically coacts with the bottom of the cup in a manner which permits the top of the cup to be tilted at an angle to the longitudinal axis of the club.
  • a movable member on the club is engageable with the top of the cup to tilt same relative to the holding element and create an air gap therebetween, to thus vary the magnetic holding force.
  • the target includes a suspended impact curtain behind the above mentioned opening.
  • a second target opening is provided for putting purposes.
  • the target is formed from a card board blank including score lines and assembling tabs and slots.
  • the present disclosure is primarily directed to the provision of novel means designed for use by an individual golfer desirous of improving his performance on the golf links.
  • the present disclosure is directed to the provision of novel means designed for use by two or more individuals in competition with each other in driving distance ability and accuracy.
  • the disclosure includes a novel target assembly that may be erected either indoors or outdoors for chipping and putting practice by an individual, or in a chipping or putting contest with others.
  • the present invention includes: a short steel shaft having a coupler aflixed to one end and provided with a golf club hand grip, the lupper portion of the coupler having external threads in engagement with an internally threaded portion of a cylinder, said cylinder being of substantial weight to simulate the Weight of a golf club; a permanent magnet secured against the nonthreaded portion of the coupler by a ferrule Iwithin an annular recess or pocket portion of said cylinder; an aim-ball or guide unit comprising a plastic ball integrated with a plastic supporting base therefor; a plastic ball assembly removably engageably, but iirmly held against lateral movement with the permanent magnet, said assembly including a ferrous disc having opposed faces, that is mounted within an annular cup-shaped rigid plastic housing that is encased in a similarly shaped flexible plastic housing, the ball of the assembly being integrated with the other components by suitable ⁇ anchor means; and a novel target assembly formed of cardboard material, semirigid flexible plastic material,
  • FIGURE l is a side elevational view of a golf club simulative device included in the present invention.
  • FIGURE 2 is a side elevational view of the included aim-ball unit
  • FIGURE 3 is a side elevational view of the included plastic ball assembly
  • FIGURE 4 is a front elevational view of the included target assembly
  • FIGURE 5 is an axial sectional view, on an enlarged scale, of the lower end portion of the FIGURE 1 device;
  • FIGURE 6 is a bottom plan view of FIGURE 5;
  • FIGURE 7 is a vertical sectional view on an enlarged scale, taken on the line 7-7 of FIGURE 3;
  • FIGURE 8 is a view similar to FIGURES 5 and 7 illustrating the included elements mounted in associated relationship;
  • FIGURE 9 is a view schematically demonstrating the relative disposition of the above-designated elements and assemblies of the invention in use and correct ball assembly trajectory;
  • FIGURE l0 is a plan view of the blank wherewith the body of the target assembly is formed, said blank preferably being of corrugated cardboard material, and having the resilient curtain of said assembly permanently attached thereto;
  • FIGURE 1l is an enlarged sectional view taken on the line 11-11 of FIGURE 10;
  • FIGURES 12 and 13 illustrate successive steps in folding the FIGURE 10 blank and attached curtain into a status suitable for shipping purposes at the time of manufacture, or for storage purposes after employment;
  • FIGURE 14 is an enlarged bottom end View of the folded target assembly shown in FIGURE 13;
  • FIGURE 15 is an enlarged sectional view taken on the line 15-15 of FIGURE 13;
  • FIGURE 16 is a front elevational view of the FIG- URE 10 blank and attached curtain set up in target assembly status, this view being similar to FIGURE 4, but on a larger scale;
  • FIGURE 17 is a bottom end view of FIGURE 16;
  • FIGURE 18 is an enlarged right end elevational view of FIGURE 16 illustrating the triangular configuration of the body, and the perpendicularly hanging disposition of the curtain therein when the FIGURE l() components are folded and locked into target status;
  • FIGURE 19 is a vertical sectional view on an enlarged scale, taken on the line 19--19 of FIGURE 16;
  • FIGURE 20 is a similar view taken on the line 20-20 of FIGURE 16.
  • a golf club simulative device having a magnetic micrometer assembly 26 constituting the lower end thereof; an aim-ball unit 28; a plastic ball assembly 30; and a target assembly generally designated 32.
  • the comparatively short and slightly upwardly tapered tubular shaft 34 of the device 24 is preferably m-ade of steel, and as shown particularly in FIGURES 1 and 5, the portion thereof that extends above the magnetic micrometer assembly is appropriately covered with a tapered hard rubber hand grip 36 in conventional golf club fashion.
  • a distinctive marker or insignia 37 is stamped into, or otherwise permanently affixed to, the upper periphery of the and grip as shown.
  • a stop element 39 which may be a rivet or the like, is mounted on the lower portion 38 of the shaft 34 for a purpose referred to below.
  • the magnetic micrometer assembly 26 that comprises the lower or outer end portion of the device 24 includes a noncovered part of the lower end portion 38 of the shaft 34 as a support; a magnet Vernier coupler 40 that surrounds and is locked to said shaft end portion 38 by a spring pin 42, or the like, which forms a base; a permanent magnet element 44 below or outwardly of the end of the shaft 34; and a ferrule 46 having an upper or inner flange engaging a shoulder of the coupler 40 and a lower or outer flange engaging the magnet element 44 to maintain a firm assembly.
  • the coupler 40 includes an upper or inner portion S0 provided with external threads 52, an intermediate cylindrical portion 54 of smaller diameter, and a lower or outer cylindrical portion 56.
  • the spring pin 42 extends through aligned apertures provided therefor in the lower end portion 38 of the shaft 34 and the cylindrical portion 54 of said coupler, the latter portion being reduced in diameter so as to provide la shoulder 55 at its mergence into the coupler portion 56.
  • a heavy cylinder 48 is threadedly mounted on the threads of the coupler portion and surrounds the ferrule 46 when in the position of FIGURE 5, its upward movement being limited by the stop 39 which establishes a starting position for adjusting the device 24 for use.
  • the magnet element 44 is cylindrical and has a flat top or inner face 58 and a chamfered lower or outer end portion 60 provided with a at face 62.
  • the cylinder 48 is of the stated substantial weight so as to simulate the weight of a conventional golf club. It comprises an upper portion 66 provided with internal threads 68 that engage the external threads 52 of the coupler, and a hollow lower or pocket portion 70 adapted to encompass the ferrule 46 when the magnetic micrometer assembly 26 is in the status thereof illustrated in FIGURE 5. As shown in FIGURE 6, the bottom face 72 of the cylinder 48 has stamped thereinto, or is otherwise appropriately provided with a dial or circular series of calibrated markings 74, those illustrated being the numerals 1 through 9, and a pointer or arrowhead 76.
  • the aim-ball unit 28, shown per se in FIGURE 2 comprises a hollow plastic ball 78, simulative of a conventional golf ball, that is permanently secured atop an also preferably plastic support 80.
  • the assembly 30, shown per se in FIGURES 3 and 7, comprises a ball 84; a cup-shaped outer housing 86; an inner housing 88; a disc 90; and means generally indicated by the numeral 92 to integrate the elements 84 through 88.
  • the ball 84 is hollow, of lightweight plastic material, and is simulative of a conventional golf ball, except that it has a plurality of openings 94 formed therein as shown.
  • the outer housing 86 is fashioned of relatively soft resilient plastic material to include a slightly upwardly flared annular side wall 96 and a bottom wall 98 that is arcuately contoured in correspondence with the periphery of the ball 84.
  • a triangular or arrowhead opening 99 is provided in the side wall 96 for a reason to appear.
  • the inner housing 88 is fashioned of a semi-rigid plastic material to include a slightly upwardly tapered side wall 100 having adequate compressive strength to prevent buckling, a llat bottom wall 102, and an outwardly projecting annular top flange 104. As illustrated, the inner housing 88 is press-fitted into the resilient outer housing 86 with the flange 104 in contact with the top peripheral edge of the side wall 96. Centrally thereof, the bottom wall 98 of the outer housing 86 is provided with a circular opening 106 in alignment with a similar opening 108 provided in the bottom wall 102 of the inner housing 88, as shown particularly in FIGURES 7 and 8.
  • the disc is of ferrous material, and so diametered as to be positioned within the side wall of the inner housing 88 and against the bottom wall 102. Centrally thereof, a well 110 is formed in said disc, and the top face 112 thereof is downwardly inclined or beveled from left to right (as viewed in the drawings), so that the thickness of its peripheral edge region 114 is approximately twice that of its diametrically opposite peripheral edge region 116.
  • the means 92 illustrated in the drawings includes a screw 118, and what will be termed a hollow Wall screw anchor element which is internally threaded.
  • the head of the screw 118 is disposed within the well 110 of the disc 90, and extends through and beyond the aligned openings 108 and 106 aforesaid.
  • the anchor element 120 is rigidly mounted in the top periphery of the ball 84 as shown, so that said ball 84 together with said anchor element 120 may be rotated about the lower end of the screw 118 until the adjacent peripheral portion of the ball 84 impinges against the arcuately contoured bottom wall 98 of the resilient housing 86. Consequently, it should be apparent that all of the components included in the assembly 30 are integrated.
  • the permanent magnet 44 and the beveled ferrous disc 114 are held together in overall engagement by the full strength of the magnetic holding force of the permanent magnet.
  • the semi-rigid plastic inner side wall 100 of the ferrous disc housing which surrounds the magnet is snugly t so as to prevent any lateral movement of the entire ball assembly 30 shown in FIGURE 7.
  • the inner side wall flange 104 of the housing will first touch the face of the cylinder at point A.
  • the side wall 100 is sufficiently rigid to transmit the applied lifting force to the entire ball assembly of which the beveled ferrous disc 114 is an integral part.
  • the corner of the magnet face at point B acting as a pivot point the ferrous disc face originally in full contact with the magnet face is separated from the magnet face.
  • the calibrated magnetic micrometer 74 operating as previously described, it is possible to precisely control the air gap between the magnet face and the ferrous disc face.
  • the air gap can be controlled from an infinitesimal gap at point C to a complete air gap when the micrometer cylinder has been rotated leftwards, so that no part of the ferrous disc remains in contact with the magnet.
  • the holding strength of a magnet approximately varies inversely as the square of the distance between the magnet face and the face of the ferrous disc. It is now clearly apparent that a unique means has been provided to control the force required to release the ball assembly (FIG. 7), from the golf device (FIG. 1), when the golf device is in a position as shown in FIGURE 8.
  • a workable device could be constructed by using a beveled magnet face in conjunction with a fiat faced ferrous disc.
  • a flat magnet face and a flat faced ferrous disc could be used in conjunction with a beveled flange 104 of the disc housing 88.
  • the target assembly 32 is illustrated in FIGURES 10 through 20, and will be described with attention focused on these views.
  • the main body of the assembly would be formed from a generally rectangular blank of cardboard material 130.
  • This blank is provided with a plurality of appropriately spaced transverse score lines, so that when folded along these score lines to its erected status shown particularly in FIGURES 18 through 20, the target assembly 32 includes a front panel 132, a rear panel 134, a narrow apex panel 136, a bottom panel 138, and a narrow inclined panel 140 connecting said rear and bottom panels.
  • Numeral 141 designates a narrow panel contiguous to the bottom panel 138.
  • a slightly smaller dimensioned reinforcing panel 142 is adhesively or otherwise permanently integrated with the front panel 132, and the upper marginal region 144 of a resilient curtain 146 is secured to the upper marginal spaced staples as illustrated, or by other appropriate means.
  • the curtain 146 comprises a rectangular sheet of polyurethane foam or similar plastic material, and preferably has a green color.
  • An opening 152, having a configuration suggestive of a golf course green is provided in the reinforced front wall panel 132, said opening extending through both of the panels 132 and 142.
  • the cardboard blank 130 and its thereto attached curtain 146 may be folded into a compact package at the time of manufacture for shipping purposes, or subsequent to erection and use, for storage purposes.
  • the blank is provided with a pair of locking flapsor tabs 154 that may selectively be entered into a rst pair of transversely spaced slots 156, or into a second pair of similar slots 158, it being noted that the tabs and slots are in alignment.
  • the tabs 154 project from a narrow panel 155 contiguous to the panel 132.
  • the first pair of slots 156 is formed along the score line that defines the fold between the rear panel 134 and the inclined panel 140.
  • the second pair of slots 158 is formed in the bottom panel 138 a determined distance from the score line that defines the fold between said panel and the narrow panel 141.
  • the locking tabs 154 extend into the first pair of slots 156, whereas, in the folded-to-target status illustrated in FIGURES 16 through 20, the locking tabs 154 extend into the second pair of slots 158.
  • a semicircular cutout or indentation 160 Formed centrally in the blank 130, partly in the reinforced front panel and partly in the panel 155 is a semicircular cutout or indentation 160. Also formed centrally in the blank 130, partly in the bottom panel 138 and partly in the panel 141 ⁇ is an identical indentation 162. In the target status of the blank, these openings 160 and 162 are disposed as illustrated particularly in FIG- URE 20 whereby to provide an arcuate opening for putting practice purposes.
  • the invention provides a target assembly 32 that is unique and incorporates many novel features.
  • the curtain 146 hangs perpendicularly behind the opening 152, and being green in color, presents a golf course green outline vividly.
  • a perspective golf scene may be painted on the surface of the panel 132.
  • a ball assembly 30 properly delivered via the opening 152 strikes the resilient curtain and drops.
  • the target assembly being open at the sides, facilitates retrieval of the ball assembly 30.
  • the inclined panel 140 prevents toppling over of the target rearwardly in case the released ball assembly 30 strikes the front panel 132 instead of being propelled through the opening 52 and against the curtain 146.
  • the upright opening 160 is sized proportionally to a horizontal conventional cup, so that a golf ball propelled therethrough would similarly drop into such cup.
  • the above described target construction is the preferred construction, it is realized that this structure or a triangular structure of sufficient rigidity can be used as the framework for elaborating on the basic principles herein disclosed.
  • a sheet of ⁇ plastic foam material could be used to pad the disclosed structure, and an exterior vinyl sheet onto which a golf scene has been silk screened could be placed over the plastic foam sheet and be heat-sealed to an interior vinyl sheet, thereby simultaneously encapsulating the aforesaid corrugated and foam sandwich structure.
  • a simplified operation of the device 24 involves substantially a single rotation of the cylinder 48.
  • the above-described structure of the device 24 is modified to add an internally threaded sleeve or collar element 71 of suitable firm material mounted on the threads 52 of the coupler 40 in stationary relation therewith and firmly engaging the shoulder 55 at one end.
  • the sleeve element 71 which is shown in phantom broken lines in FIGURE 8, has its other end spaced from the internal cylinder shoulder 69, which may be square, an axial distance substantially equal to the pitch of the said threads 52 when the magnet element 44 is fully projected and the stop element 39 is in engagement with the end of the upper portion 66 of the cylinder 48.
  • This arrangement obviously, limits the rotation of the cylinder 48 to one full turn. This simplifies positioning of the magnet face 62 in respect to the top face 112 of the disc 90 in the use of the device 24.
  • the golf club simulative device 24 is in the status illustrated in FIGURE 5; that the guide unit 2S of FIGURE 2 and the assembly 30 of FIGURE 3 are at hand; and that the target assembly 32 of FIG- URE 4 is in the compact or folded status illustrated in FIGURES 13-15.
  • the rst step required is to erect the target assembly 32 so that it presents the status clearly illustraed in FIGURES 18 through 20.
  • the curtain 146 hangs perpendicularly and rearwardly of the simulated golf green opening 152 provided in the reinforced front panel 132. It is not considered necessary to elaborate on the successive step procedure to be employed in the erection of the target assembly, inasmuch as the interlockings of the tabs 154 with the slots 158 are clearly illustrated, identifying reference numerals being applied to the parts in the drawings.
  • the device 24 which, in this version, is approximately fifteen inches in length with ball assembly attached, can be used as a ruler to determine aforesaid distance.
  • the angular plane of your swing should be changed by ymoving the aim-ball closer to your toes.
  • the average golfer stands eighteen inches away from the ball for a seven iron shot. It is evident that variance from the normal distance can be altered to alter the users preferred angular plane for any iron club.
  • the degree by which you are wide of the target assembly 32 is indicative of a corresponding directional error in real play.
  • Directional errors are primarily caused by the inability of a golfer to bring the club straight through the impact Zone.
  • the ball assembly 30 does not release, it does not necessarily indicate that an incorrect golf swing has been simulated. However, it does mean that you are developing less swing speed in the impact zone than is required for release of the -ball assembly 30 at the particular setting of magnetic micrometer 48.
  • the mastery of releasing the ball assembly 30 with a proper golf swing into the green opening 152 at a lower numbered dial 74 force setting will train the user to swing harder properly and release a maximum of potential energy, which will result in the user hitting the ball farther in real play.
  • the ability to perform a correct golf swing should not be sacrificed for the sole satisfaction of being able to swing hard enough to remove the ball assembly 30 with an erroneous swing.
  • suicient swing speed is not developed at the new setting, repeat by aligning the ball assembly arrow 99 with the next higher dial number 74 until a force setting will permit the swing speed you are applying to release the ball assembly 30.
  • a simulated golf club for practicing golf swings comprising, in combination, a first means adapted to be grasped -by the hands of a user ⁇ for swinging the club, a second Imeans for releasably holding ⁇ a releasable member, said second means being operatively connected to said rst means, a releasable member releasably connected to said second means and adapted to be released therefrom while simulating a golf swing with said club, said releasable member including a cup adapted to receive said second means and having a bottom, and a simulated golf ball connected to said cup exteriorly thereof, and means for magnetically attracting the bottom of said cup to said second means so that said releasable member may be releasably held by said second means.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)
US696348A 1968-01-08 1968-01-08 Golf practice device Expired - Lifetime US3466049A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69634868A 1968-01-08 1968-01-08

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US3466049A true US3466049A (en) 1969-09-09

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US696348A Expired - Lifetime US3466049A (en) 1968-01-08 1968-01-08 Golf practice device

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US (1) US3466049A (enrdf_load_stackoverflow)
JP (1) JPS4832717B1 (enrdf_load_stackoverflow)
GB (1) GB1245192A (enrdf_load_stackoverflow)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837653A (en) * 1972-08-16 1974-09-24 R Fox Indoor golf game
US4083562A (en) * 1976-05-28 1978-04-11 Zepper Allen O Game goal with flexible object impacting curtain
US4085936A (en) * 1977-04-18 1978-04-25 Patterson Roy M Practice golf club with means for holding and releasing ball
US4548413A (en) * 1984-02-06 1985-10-22 David Chris A Game device
US4664388A (en) * 1986-02-21 1987-05-12 Correct Swing Corp. Of America Golf club swing training device
US4794905A (en) * 1987-05-21 1989-01-03 Woolard Joseph H Magnetic hand held ball throwing implement
US5025843A (en) * 1989-07-06 1991-06-25 Cavitt Caufield Golf club head cover keeper
USD426607S (en) * 1999-05-12 2000-06-13 Lasereyes Golf, LLC Golf swing training device
US6231452B1 (en) * 2000-01-08 2001-05-15 John Michael Novosel, Sr. Magnetic putter
USD458323S1 (en) 2001-06-20 2002-06-04 Terry J. Pullaro Racket sport training and conditioning device
USD458655S1 (en) 2001-05-16 2002-06-11 Terry J. Pullaro Batting training and conditioning device
USD458659S1 (en) 2001-06-20 2002-06-11 Terry J. Pullaro Golf training and conditioning device
USD460796S1 (en) 2001-06-20 2002-07-23 Terry J. Pullaro Hockey training and conditioning device
USD490492S1 (en) 2002-08-13 2004-05-25 Stephen A. Nemeckay Golf swing training device
US7682265B2 (en) 2006-08-21 2010-03-23 Vandelden Jay Adaptive golf ball
USD678445S1 (en) * 2011-12-22 2013-03-19 Ricardo Corredor Monzón Golf training device
USD697991S1 (en) * 2013-01-10 2014-01-21 Rey Ramirez Golf practice device
CN104971477A (zh) * 2015-06-18 2015-10-14 中山市迈进高尔夫用品有限公司 一种配重可调的高尔夫球挥杆练习棒
WO2020194055A3 (en) * 2019-03-27 2020-11-26 Justin Russo Golf training and alignment device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH022233U (enrdf_load_stackoverflow) * 1988-06-20 1990-01-09

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1914449A (en) * 1931-04-03 1933-06-20 Timothy J Murray Game apparatus
US1994207A (en) * 1934-06-05 1935-03-12 Ahles Paul Practice golf club
US2135648A (en) * 1937-08-06 1938-11-08 Lewis T Stumpf Practice golf club
US3113782A (en) * 1962-01-29 1963-12-10 Guier William Swingable practice club with magnetically retained slidable sounding device
US3401941A (en) * 1966-09-15 1968-09-17 Arthur J. Hesidence Golf swing training device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1914449A (en) * 1931-04-03 1933-06-20 Timothy J Murray Game apparatus
US1994207A (en) * 1934-06-05 1935-03-12 Ahles Paul Practice golf club
US2135648A (en) * 1937-08-06 1938-11-08 Lewis T Stumpf Practice golf club
US3113782A (en) * 1962-01-29 1963-12-10 Guier William Swingable practice club with magnetically retained slidable sounding device
US3401941A (en) * 1966-09-15 1968-09-17 Arthur J. Hesidence Golf swing training device

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837653A (en) * 1972-08-16 1974-09-24 R Fox Indoor golf game
US4083562A (en) * 1976-05-28 1978-04-11 Zepper Allen O Game goal with flexible object impacting curtain
US4085936A (en) * 1977-04-18 1978-04-25 Patterson Roy M Practice golf club with means for holding and releasing ball
US4548413A (en) * 1984-02-06 1985-10-22 David Chris A Game device
US4664388A (en) * 1986-02-21 1987-05-12 Correct Swing Corp. Of America Golf club swing training device
US4794905A (en) * 1987-05-21 1989-01-03 Woolard Joseph H Magnetic hand held ball throwing implement
US5025843A (en) * 1989-07-06 1991-06-25 Cavitt Caufield Golf club head cover keeper
USD426607S (en) * 1999-05-12 2000-06-13 Lasereyes Golf, LLC Golf swing training device
US6231452B1 (en) * 2000-01-08 2001-05-15 John Michael Novosel, Sr. Magnetic putter
USD458655S1 (en) 2001-05-16 2002-06-11 Terry J. Pullaro Batting training and conditioning device
USD458323S1 (en) 2001-06-20 2002-06-04 Terry J. Pullaro Racket sport training and conditioning device
USD458659S1 (en) 2001-06-20 2002-06-11 Terry J. Pullaro Golf training and conditioning device
USD460796S1 (en) 2001-06-20 2002-07-23 Terry J. Pullaro Hockey training and conditioning device
USD490492S1 (en) 2002-08-13 2004-05-25 Stephen A. Nemeckay Golf swing training device
US7682265B2 (en) 2006-08-21 2010-03-23 Vandelden Jay Adaptive golf ball
US20100144464A1 (en) * 2006-08-21 2010-06-10 Vandelden Jay Adaptive golf ball
US7976407B2 (en) 2006-08-21 2011-07-12 Vandelden Jay Adaptive golf ball
US8617006B2 (en) 2006-08-21 2013-12-31 Jay VanDelden Adaptive golf ball
USD678445S1 (en) * 2011-12-22 2013-03-19 Ricardo Corredor Monzón Golf training device
USD697991S1 (en) * 2013-01-10 2014-01-21 Rey Ramirez Golf practice device
CN104971477A (zh) * 2015-06-18 2015-10-14 中山市迈进高尔夫用品有限公司 一种配重可调的高尔夫球挥杆练习棒
WO2020194055A3 (en) * 2019-03-27 2020-11-26 Justin Russo Golf training and alignment device

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Publication number Publication date
GB1245192A (en) 1971-09-08
JPS4832717B1 (enrdf_load_stackoverflow) 1973-10-08

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