EP1303335A1 - Dispositif d'entrainement a la pratique du golf et procede s'y rapportant - Google Patents
Dispositif d'entrainement a la pratique du golf et procede s'y rapportantInfo
- Publication number
- EP1303335A1 EP1303335A1 EP01956600A EP01956600A EP1303335A1 EP 1303335 A1 EP1303335 A1 EP 1303335A1 EP 01956600 A EP01956600 A EP 01956600A EP 01956600 A EP01956600 A EP 01956600A EP 1303335 A1 EP1303335 A1 EP 1303335A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- rod
- ball
- horizontal axis
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
- A63B69/0073—Means for releasably holding a ball in position; Balls constrained to move around a fixed point, e.g. by tethering
- A63B69/0079—Balls tethered to a line or cord
Definitions
- the present invention relates firstly to a training device for playing golf. It also relates to a method capable of being implemented by the device according to the invention, and allows the calculation of the length of a shot and its angular offset relative to a reference trajectory.
- the invention will find its application in the field of training for the practice of golf, whether in a club or in an individual setting, with a private individual.
- the invention essentially allows the user wishing to train, to obtain from the machine an analysis of the shot he has just made.
- the device and the calculation method according to the invention will enable it to determine the length of its shot as well as its angular offset with respect to a reference trajectory. He can thus estimate very precisely the theoretical point of impact of the ball.
- the connecting means is a cam cooperating with the main axis which is mobile in rotation and in translation so that that any movement of said connecting means in its plane, during the rotation of the assembly, causes a displacement in translation of said movable main axis in rotation and in translation, said connecting means transmits proportionally to said movable main axis speed of rotation of the ball around said axis and its firing angle, and that one or more sensors transmit data to means which analyze the speed of rotation of the axis to determine the distance of the shot and the transverse movement of said axis mobile to determine the angle of fire and / or the distance between the point of fall of the bullet and the reference trajectory.
- the rod capable of being moved in axial translation plays the role of core for a coil to determine its displacement, thus forming an inductive sensor.
- a drawback of this configuration is that it is relatively complex, the measurement means being nested there with an essential element of the mechanism.
- the object of the present invention is to remedy the drawbacks of the devices currently existing.
- Another advantage of the device, presented here, is that a distinction is made between the regular counting of the number of turns made by the rod and the measurement of the angular offset. There is in practice the elimination of false measurements and a high reliability of the two important parameters for the player, given that their methods of obtaining are independent.
- the present invention relates to a golf training device comprising: a) a support bracket for a ball suspended by a cable at the end of the horizontal branch of the bracket, said cable being connected to a first end of a rod with a horizontal axis by means of motion transmission means suitable for:
- measuring means include
- At least one magnetic tachometer sensor cooperating with a metal bar of tachometer placed on the periphery of the rod so as to pass each revolution of the cylinder opposite the tachometer sensor;
- At least one lateral magnetic sensor cooperating with at least two lateral metal marks placed at different places on the periphery of the cylinder;
- the lateral metal marks are positioned diametrically opposite on the cylinder and in the vertical direction when the bale is at rest, and the lateral sensor is placed with regard to the horizontal diameter of the cylinder, for a measurement of the lateral sensor three-quarters of the first turn and a quarter of the last round.
- the axial displacement sensor is a magnetic sensor placed opposite the cylinder and in its axis and it cooperates with a magnetic axial reference placed on the cylinder.
- the magnetic sensors are Hall effect sensors.
- the invention also relates to a method for calculating the length of a shot and its angular offset with respect to a reference trajectory, for training in the practice of golf, capable of being implemented by the device according to the invention, in which:
- the angular offset movement of the golf ball with respect to the reference path is transformed into a translational movement of a rod with a horizontal axis, and to a cylinder secured to the rod - the rotational movement d is transmitted horizontal axis of the ball to the cylinder,
- Figure 1 is a general side view in section of the device according to the invention.
- FIG. 2 is a horizontal section at the level of the rod according to the particular embodiment of FIG. 1.
- a golf ball 18 is suspended from a cable 17.
- the device 1 will include a bracket 2, generally mounted on a plate receiving the assembly and serving for the placement of the player.
- the bracket 2 has a substantially oblique portion and a horizontal branch substantially oriented in the direction of the horizontal axis 21 identified in phantom in Figure 1.
- the mounting of the ball 18 is carried out by means of a rod 19 of horizontal axis corresponding to horizontal axis 21, by means of transmission of movements.
- the movement transmission means make it possible to transform the movement of the ball 18 with a view to its exploitation for the measurement and calculation of the desired parameters.
- the transmission means drive the rod 19 in proper rotation by the rotation of the ball along the horizontal axis 21 when the player taps it.
- the rod 19 is slidably mounted inside the hollow shaft 4. To connect the free end of the rod 19 and the ball suspension cable 17
- a cable tie 5 is provided, as shown in FIGS. 1 and 2.
- the cable tie 5 includes an adjustable end portion adapted to receive and hold the cable 17. The possible adjustment allows the player to position the ball 18 at the desired height relative to the mat. At its other end, the cable tie 5 is pivotally mounted on the hollow shaft 4.
- the cable tie receives a connecting rod 6 pivotally mounted relative to the cable tie 5 along an axis different from the axis 22, but in the same direction.
- the hollow shaft ends in the form of a fork for receiving the end of the cable tie 5.
- the measurements are advantageously carried out at the other end of the rod 19 (the one opposite to the connection with the cable 17).
- the rod 19 advantageously comprises at this point a cylinder 7 kinematically integral with the rod 19 and of a larger diameter, preferably made of non-metallic and magnetically neutral material, the cylinder is capable of receiving a part of the necessary organs on measures.
- the measurement means comprise at least one magnetic sensor 14 of tachometer, cooperating with a metal bar 9 placed on the periphery of the cylinder 7 so as to pass each revolution of the cylinder 7 opposite the tachometer sensor 14.
- the measurement means comprise at least one lateral magnetic sensor 12 cooperating with at least two lateral metal marks 8, 8bis placed at different locations on the periphery of the cylinder 7.
- an axial displacement sensor identified 13 in FIG. 2 allows the axial position of the cylinder 7 to be measured at determined times. These determined times are located when the lateral magnetic sensor 12 is activated, that is to say when the metal pins 8, 8a pass opposite.
- an axial mark 10 will be formed in the horizontal axis 21 opposite the axial sensor 13 to carry out the detection of the translational displacement of the rod 19 and of the cylinder 7.
- the measurement means comprise two lateral marks 8
- Detection is thus carried out three quarters of the first round and one quarter of the second round.
- the lateral marks 8, ⁇ bis will preferably be positioned so that they define a vertical diameter of the cylinder 7, when the ball 18 is at rest.
- the lateral sensor 12 will be positioned to be placed in the direction of a horizontal diameter of the cylinder 7 when the ball is at rest.
- the lateral sensor 12 will perform a detection at three quarters of the first round and one quarter of the second round.
- a magnetic sensor 13 will preferably be used with an axial reference mark 10 magnetized.
- the magnetic sensors 12, 13 and 14 will be Hall effect sensors therefore with inductive technology.
- the sensors 12 and 14 will be coupled to magnets 15 and 16 respectively and positioned on a support 11, integral with the bracket 2.
- the fact of measuring the angular offset at these times is particularly advantageous, since it is at the start of the movement of the ball 18 that the angular offset is maximum. Furthermore, it is three-quarters of the first round and the first quarter of the second round that we observe the maximum angular offset.
- the number of turns performed by the cylinder 7 is counted.
- the tachometer sensor 14 detects the passage at each revolution of the metal bar 9.
- the metal bar 9 is angularly offset with respect to the lateral pins 8, ⁇ bis.
- the measurement data thus gathered concerning the number of turns performed by the cylinder 7 and its maximum angular displacement at the start of the shot allow the angular offset of the bullet 18 and the length of the shot to be calculated.
- the calculation method which is capable of being implemented by the device, according to precise parameters, makes it possible to program a microprocessor and to obtain the display, on a screen, of the result of a shot, that is to say -to say the angular offset and the distance according to the club used and the usual level of the player ,.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Golf Clubs (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Rehabilitation Tools (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0009817A FR2812208B1 (fr) | 2000-07-27 | 2000-07-27 | Dispositif d'entrainement a la pratique du golf et procede s'y rapportant |
FR0009817 | 2000-07-27 | ||
PCT/FR2001/002328 WO2002009826A1 (fr) | 2000-07-27 | 2001-07-18 | Dispositif d'entrainement a la pratique du golf et procede s'y rapportant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1303335A1 true EP1303335A1 (fr) | 2003-04-23 |
EP1303335B1 EP1303335B1 (fr) | 2007-06-06 |
Family
ID=8852951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01956600A Expired - Lifetime EP1303335B1 (fr) | 2000-07-27 | 2001-07-18 | Dispositif d'entrainement a la pratique du golf et procede s'y rapportant |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1303335B1 (fr) |
AT (1) | ATE363933T1 (fr) |
AU (1) | AU2001278532A1 (fr) |
CA (1) | CA2414962A1 (fr) |
DE (1) | DE60128806T2 (fr) |
FR (1) | FR2812208B1 (fr) |
WO (1) | WO2002009826A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2304227B1 (es) * | 2008-01-21 | 2009-08-06 | Ricardo Mela Molina | Dispositivo de entrenamiento para la practica del juego del golf. |
CA3178616A1 (fr) | 2020-05-22 | 2021-11-25 | Dean Holmes | Appareil de jeu |
KR102579614B1 (ko) * | 2021-11-12 | 2023-09-15 | 이엔콤 주식회사 | 골프스윙연습기 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743296A (en) * | 1971-02-16 | 1973-07-03 | Lectron Ind Inc | Golf practicing apparatus |
GB8321410D0 (en) * | 1983-08-09 | 1983-09-07 | Way D R | Golf practicising devices |
US5121923A (en) * | 1991-10-28 | 1992-06-16 | Allura John D | Golf training device |
US5255920A (en) * | 1992-07-24 | 1993-10-26 | Mangeri John J | Training device for golfers |
FR2720006B1 (fr) | 1994-05-17 | 1996-06-28 | Raymond Denance | Dispositif d'entraînement pour golfeurs avec analyse de chaque frappe. |
-
2000
- 2000-07-27 FR FR0009817A patent/FR2812208B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-18 EP EP01956600A patent/EP1303335B1/fr not_active Expired - Lifetime
- 2001-07-18 WO PCT/FR2001/002328 patent/WO2002009826A1/fr active IP Right Grant
- 2001-07-18 DE DE60128806T patent/DE60128806T2/de not_active Expired - Lifetime
- 2001-07-18 AU AU2001278532A patent/AU2001278532A1/en not_active Abandoned
- 2001-07-18 CA CA002414962A patent/CA2414962A1/fr not_active Abandoned
- 2001-07-18 AT AT01956600T patent/ATE363933T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0209826A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2812208B1 (fr) | 2002-12-20 |
CA2414962A1 (fr) | 2002-02-07 |
EP1303335B1 (fr) | 2007-06-06 |
FR2812208A1 (fr) | 2002-02-01 |
AU2001278532A1 (en) | 2002-02-13 |
DE60128806T2 (de) | 2008-03-06 |
DE60128806D1 (de) | 2007-07-19 |
ATE363933T1 (de) | 2007-06-15 |
WO2002009826A1 (fr) | 2002-02-07 |
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