EP4005648A1 - Appareil d'entraînement au tennis - Google Patents

Appareil d'entraînement au tennis Download PDF

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Publication number
EP4005648A1
EP4005648A1 EP21210708.0A EP21210708A EP4005648A1 EP 4005648 A1 EP4005648 A1 EP 4005648A1 EP 21210708 A EP21210708 A EP 21210708A EP 4005648 A1 EP4005648 A1 EP 4005648A1
Authority
EP
European Patent Office
Prior art keywords
ball
training device
tennis training
rod
tennis
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
Application number
EP21210708.0A
Other languages
German (de)
English (en)
Other versions
EP4005648B8 (fr
EP4005648C0 (fr
EP4005648B1 (fr
Inventor
Iko Bebic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bebic Iko
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4005648A1 publication Critical patent/EP4005648A1/fr
Application granted granted Critical
Publication of EP4005648C0 publication Critical patent/EP4005648C0/fr
Publication of EP4005648B1 publication Critical patent/EP4005648B1/fr
Publication of EP4005648B8 publication Critical patent/EP4005648B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A63B69/0073—Means for releasably holding a ball in position; Balls constrained to move around a fixed point, e.g. by tethering
    • A63B69/0091—Balls fixed to a movable, tiltable or flexible arm
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/02—Tennis
    • 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
    • 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
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres

Definitions

  • the present invention relates to a tennis training device for training racket-ball coordination, in particular for practicing and preparing spin strokes such as forward spins, sideways spins or backward spins.
  • Tennis trainers which are designed for practicing tennis shots. These include basic units placed on the floor, which are connected to a tennis ball with a rubber band. Training units of this type require a large amount of space and are also unsuitable for special training of spin strokes.
  • Another form of tennis trainer is whip-like with a flexible handle and a terminal weight. This device is used to train the serve.
  • the DE 201 14 256 U1 discloses a tennis ball mounted on a stick.
  • the tennis ball has a continuous sleeve for rotatable mounting, the linear position of which is fixed to the rod by two locking screws.
  • the forward and backward rotation of the ball is trained.
  • this training is insufficient, as experience has shown that the impact also results in a small linear movement.
  • Contact of the sleeve with the locking screws would slow down the rotation and thus not complete the impact study.
  • only two types of punches can be trained, since a transfer of combined linear and rotational movements is not possible with one punch.
  • the ball shown here is a solid ball, which has little to do with a realistic tennis ball. It only has a tennis ball seam, but is otherwise filled. It can be moved linearly between the tip and the handle.
  • the subject matter of the present application deals with the problem of practicing spin strokes, for example for self-training or for warming up before a game.
  • the present invention solves the aforementioned problem with a tennis training device with the features of claim 1.
  • a tennis training device comprises a rod and a ball, preferably arranged concentrically to the rod and rotatable about its longitudinal axis.
  • a receiving sleeve in particular made of POM and/or PVC.
  • the ball is arranged in a linearly limited manner along the rod. Stop elements are provided to limit mobility.
  • An advantageous embodiment of the rod is a glass fiber rod or glass fiber rod. This has sufficient flexibility on the one hand and stability and mechanical behavior that comes particularly close to the game situation of a ball hit.
  • the geometric dimensions of the training device were further optimized with numerous tests and a lot of experience about the optimal spin behavior.
  • FIGS. 1 , 2 and 3 show a variant of a training device 1 according to the invention comprising a rod 2 with a longitudinal axis 11, preferably a glass fiber rod, also called glass fiber rod, on which a ball 3 with a receiving sleeve 4 is attached and fixed to this.
  • the receiving sleeve 4 is shown in detail in Figures 4 and 5 pictured. It is rotatable and linearly displaceable on the rod 2.
  • the ball 3 can preferably be designed as a tennis ball in order to simulate the playing conditions and the rotation and spin behavior as authentically as possible.
  • a tennis ball is hollow and covered with a tennis fleece.
  • the receiving sleeve 4 can be formed from plastic, in particular from polyoxymethylene and/or from PVC, preferably from a polymer mixture, for example as a copolymer.
  • the receiving sleeve 4 enables optimal rotation of the tennis ball.
  • a defined movement of the tennis ball is limited by two stop elements, preferably stop disks 5, 6, which are shown in detail in Figures 6 and 7 are shown.
  • these can be made of polyoxymethylene and/or of PVC, preferably of a polymer mixture, e.g. as a copolymer.
  • the fiberglass rod 2 has a grip area 7 which is covered with a rubber coating 8, preferably a colored rubber coating. This leads to a good grip and a better feel.
  • the stop disks and/or the stop sleeve have one and/or more rounded or chamfered peripheral edges 10, in particular on the outer circumference.
  • the length dimensions preferably relate to a tennis ball with a typical diameter of 66 mm.
  • the overall length of the training device 1 can preferably be 9-12 times the diameter of the ball 3 .
  • the rod 2 has a preferred diameter of 10-22%, preferably 14-19%, of the diameter of the ball 3.
  • the choice of glass fiber material in combination with the appropriate thickness range of the rod have proven in extensive tests to be suitable for providing a tennis racket with the appropriate counterforce so that the training device can transfer realistic forces to the tennis ball.
  • the rod 2 is preferably formed from a solid material, preferably from an extruded solid material.
  • the distance between the contact surfaces of the two contact elements 5 and 6 is preferably 112-135%, particularly preferably 115-125% of the diameter of the ball 3.
  • the strength of the stop elements 5 and 6 in the longitudinal direction of the rod 2 is preferably 8-15%, preferably 10-14% of the diameter of the ball 3.
  • the length of the receiving sleeve 4 is preferably 101-109%, preferably 104-108% of the diameter of the ball 3.
  • the radial play of the receiving sleeve 4 relative to the rod 1 is preferably less than 5 mm, preferably between 0.05 and 0.35 mm, particularly preferably between 0.1 and 0.25 mm.
  • the radial clearance corresponds to the difference between the inner diameter of the receiving sleeve 4 and the outer diameter of the rod 2 divided by two.
  • the outer diameter of the annular stop surface 9 of the receiving sleeve 4 is preferably less than 50% of the diameter of the ball 3, preferably 25-30% of the diameter of the ball 3.
  • the polymer and/or rubber sheathing 8 has a thickness of between 0.2 and 1.5 mm.
  • the material can be shrink tubing.
  • the tennis training device 1 is compact and light in length, it is similar to a tennis racket, so that it can easily be carried in any backpack or tennis bag.
  • the tennis training device 1 can be used completely independent of location and time and in particular for individual training without teammates.
  • the tennis training device 1 is used because of the ball 3 that is rotatably arranged around the fiberglass rod in order to be able to train and improve the different types of spin.
  • the tennis training device 1 is held in one's own hand and the ball 3 is set in the desired rotation depending on the type of impact.
  • the practitioner receives immediate feedback on his stroke technique. Most of the kinetic energy that occurs when the ball 3 is hit is converted into rotation of the ball 3 . As a result, the wrist of the hand with which the tennis training device 1 is held is particularly easy on.
  • An example of using the tennis training device 1 is a forehand topspin shot. If you hit the ball 3 diagonally from bottom to top with the tennis racket, then the ball 3 spins forward (topspin). If you hit the tennis ball 3 with the tennis racket from top to bottom, then the ball 3 rotates backwards (slice).
  • the training device can be used as follows. The user holds the tennis racket with the forehand grip in his batting hand. In the other hand, he holds the tennis training device 1 right in front of his body at pocket height (forehand topspin shot) and hits the ball 3 with the tennis racket from bottom to top own axis set in forward rotation.
  • the glass fiber rod 2 is held vertically and to the right in front of the body with the left hand. Then you hit the side of the ball 3 with the hitting hand and also with the hammer handle, which then rotates sideways around its own axis and around the fiberglass rod 2 .
  • the tennis training device 1 is ideal for warming up before a competition, even for professionals. Since the wrist, the ligaments, tendons and muscles involved in the stroke can be optimally and tennis-specifically prepared for the direct competition movement sequences within a very short time.
  • the tennis training device impresses with its simple design, the small number of components and the exclusive use of plastic parts.
  • the tennis stroke technique is additionally improved by the tennis training device.
  • Tennis-specific techniques and twist types can be practiced in the smallest of spaces.
  • a use according to the invention comprises learning spin shots by using the training device 1, with the ball 3 being set into a predetermined rotational movement by a tennis racket.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Tools (AREA)
EP21210708.0A 2020-11-27 2021-11-26 Appareil d'entraînement au tennis Active EP4005648B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202020106845.8U DE202020106845U1 (de) 2020-11-27 2020-11-27 Tennistrainingsgerät

Publications (4)

Publication Number Publication Date
EP4005648A1 true EP4005648A1 (fr) 2022-06-01
EP4005648C0 EP4005648C0 (fr) 2024-10-23
EP4005648B1 EP4005648B1 (fr) 2024-10-23
EP4005648B8 EP4005648B8 (fr) 2024-11-27

Family

ID=78806319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21210708.0A Active EP4005648B8 (fr) 2020-11-27 2021-11-26 Appareil d'entraînement au tennis

Country Status (2)

Country Link
EP (1) EP4005648B8 (fr)
DE (1) DE202020106845U1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616834A (en) * 1985-04-12 1986-10-14 Davis Roy J Ball-kicking assembly
DE20114256U1 (de) 2001-08-29 2002-01-10 Becker, Petra, 48336 Sassenberg Übungsgerät für Schlagsportarten zum Üben der Drallschläge
US8540584B1 (en) 2010-12-27 2013-09-24 James W. Sorenson Swing speed trainer
US20160206942A1 (en) 2015-01-21 2016-07-21 Robert Frank Smith, JR. Baseball and softball pitching training aid
US9687718B1 (en) * 2010-12-27 2017-06-27 James W. Sorenson Swing speed trainer
US20180207465A1 (en) * 2015-10-29 2018-07-26 Christopher J. KAYE Lacrosse Training Device
IT201800009585A1 (it) * 2018-10-18 2020-04-18 Alessandro Strazza Dispositivo per esercitare un movimento di impatto tra una racchetta ed una pallina

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0847559A (ja) * 1994-07-25 1996-02-20 Tenchi:Kk スポーツ器具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616834A (en) * 1985-04-12 1986-10-14 Davis Roy J Ball-kicking assembly
DE20114256U1 (de) 2001-08-29 2002-01-10 Becker, Petra, 48336 Sassenberg Übungsgerät für Schlagsportarten zum Üben der Drallschläge
US8540584B1 (en) 2010-12-27 2013-09-24 James W. Sorenson Swing speed trainer
US9687718B1 (en) * 2010-12-27 2017-06-27 James W. Sorenson Swing speed trainer
US20160206942A1 (en) 2015-01-21 2016-07-21 Robert Frank Smith, JR. Baseball and softball pitching training aid
US20180207465A1 (en) * 2015-10-29 2018-07-26 Christopher J. KAYE Lacrosse Training Device
IT201800009585A1 (it) * 2018-10-18 2020-04-18 Alessandro Strazza Dispositivo per esercitare un movimento di impatto tra una racchetta ed una pallina

Also Published As

Publication number Publication date
DE202020106845U1 (de) 2022-03-03
EP4005648B8 (fr) 2024-11-27
EP4005648C0 (fr) 2024-10-23
EP4005648B1 (fr) 2024-10-23

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