EP4151284A1 - Turnsprungbrett mit einstellbarer elastizität - Google Patents

Turnsprungbrett mit einstellbarer elastizität Download PDF

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Publication number
EP4151284A1
EP4151284A1 EP22195164.3A EP22195164A EP4151284A1 EP 4151284 A1 EP4151284 A1 EP 4151284A1 EP 22195164 A EP22195164 A EP 22195164A EP 4151284 A1 EP4151284 A1 EP 4151284A1
Authority
EP
European Patent Office
Prior art keywords
springboard
flexible link
elastic device
plate
lower plate
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.)
Pending
Application number
EP22195164.3A
Other languages
English (en)
French (fr)
Inventor
Jean-Claude Dubout
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.)
Gymnova SAS
Original Assignee
Gymnova SAS
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 Gymnova SAS filed Critical Gymnova SAS
Publication of EP4151284A1 publication Critical patent/EP4151284A1/de
Pending legal-status Critical Current

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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
    • A63B5/00—Apparatus for jumping
    • A63B5/08—Spring-boards
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • A63B21/00072—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve by changing the length of a lever
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/023—Wound springs

Definitions

  • the present invention relates to the field of equipment intended for the practice of a sport, and in particular to the field of apparatus for artistic gymnastics. It relates in particular to a gymnastic springboard.
  • a gymnastic springboard is a structure comprising a flexible and generally curved board, on which the gymnasts leap to make jumps.
  • a gymnastics springboard conventionally comprises an upper part in the form of a plate comprising a take-off face, a lower part extending under the upper part and serving as a support when the springboard is in the position of use.
  • the upper part and the lower part each have a securing end by which they are connected to each other.
  • the upper part and the lower part move away from each other from the joining ends.
  • the gymnastic springboard further comprises elastic members interposed between the upper part and the lower part.
  • Such a springboard is disclosed in the document FR 2 673 114 .
  • This springboard comprises an upper part and a lower part moving away from each other from a connection zone.
  • the springboard further comprises a mobile elastic device comprising a carriage sliding on a rail fixed to the lower part, and two springs fixed to said carriage.
  • a lug keeps the carriage stationary on the rail. The pin must be disengaged to allow movement of the carriage on the rail.
  • the present invention proposes an alternative solution for obtaining a gymnastic springboard with adjustable elasticity, the adjustment of which is possible by a single movement or a single manipulation. More specifically, the invention aims to allow the gymnast to simply control the elasticity of the springboard according to the desired feeling and the location of the springboard at which he wishes to jump.
  • the invention relates to a gymnastic springboard comprising an upper part having a take-off face, a lower part serving to support the springboard on the ground in the position of use, the upper part and the lower part s away from each other from a joining zone of the springboard where they are joined, said springboard further comprising a mobile elastic device comprising an upper plate configured to slide on an internal face of the upper part, a lower plate configured to slide on an internal face of the lower part, and an elastic member interposed between the upper plate and the lower plate, the internal face of the upper part and the internal face of the lower part being opposite one of the other.
  • the springboard comprises a system for setting in motion the mobile elastic device fixed to the lower plate or to the upper plate, said system for setting in motion comprising a drive wheel, a driven wheel and a flexible link configured to transmit a rotational movement of the driving wheel to the driven wheel, the upper plate or the lower plate being fixed to the flexible link so that the rotation of the driving wheel causes the sliding of the lower plate on the lower part and of the upper plate on the upper part.
  • the invention it is possible to simply adjust the elasticity of the springboard.
  • the elasticity can be adjusted according to the jump performed and in particular according to the place at which the gymnast takes off, as well as the feeling sought by the gymnast. In other words, depending on the desired feeling and the place of the springboard on which the gymnast takes off, the latter can move the mobile elastic device in the springboard.
  • the only movement of the drive wheel makes it possible to move the mobile elastic device and therefore to adjust the elasticity of the springboard.
  • the springboard with adjustable elasticity thus configured is compact. Indeed, all the elements making it possible to adjust the elasticity are located between the lower plate and the upper plate.
  • the drive wheel and the driven wheel are pulleys, the flexible link comprising a belt.
  • the drive wheel and the driven wheel are toothed wheels, the flexible link comprising a chain.
  • the pulley-belt and cogwheel-chain systems have the advantage of being simple and of allowing a rotational movement of a pulley or a cogwheel to move the mobile elastic device in the springboard.
  • the rotational movement of the drive wheel can be performed simply by a conventional mechanical tool, such as a ratchet for example.
  • the rotational movement of the driving wheel can also be carried out automatically, in particular by means of a motor.
  • the lower plate and the upper plate are configured to slide along a direction taken in the length of the lower part and the upper part, called the longitudinal direction, respectively on the internal face of the lower part and on the internal face of the upper part.
  • the elastic member of the mobile elastic device is a conical spring.
  • the mobile elastic device comprises at least one guide element fixed to the lower plate, the lower part of the springboard comprising at least one groove configured to receive said at least one guide element.
  • the movable elastic device comprises a tension adjustment device extending in the extension of the guide element and assembled to said guide element by means of a bolt, the tension adjuster comprising a slot configured to receive the flexible link, the tension adjuster being configured to lock the flexible link, and apply and maintain the desired tension to said flexible link.
  • the flexible link is made of polymer and comprises reinforcements.
  • Such a material for the flexible link makes it possible to absorb the stresses when the gymnast jumps on the springboard, so as to avoid deformation of the lower part of the springboard.
  • the movable elastic device comprises a needle fixed to the lower plate, the lower part of the springboard comprising on its internal face a digital scale extending along an axis, said needle being configured to point towards the digital scale so as to indicate a longitudinal position of the mobile elastic device.
  • the springboard comprises several mobile elastic devices.
  • FIG. 1 represents a gymnastics springboard 1 according to one embodiment of the invention.
  • the springboard 1 has an upper part 2 and a lower part 3.
  • the upper part 2 comprises an attachment end 20 and a free end 21 opposite the attachment end 20.
  • the upper part 2 comprises an outer face or take-off face 22 on which a gymnast performs his leap.
  • the upper part 2 also includes an internal face 23 opposite the take-off face 22.
  • the upper part 2 is domed or arcuate. In a position of use, the bulge of the upper part 2 is directed upwards.
  • the upper part 2 is configured to immobilize at least one fixed elastic member 6.
  • the upper part 2 comprises for example at least one pin (not visible in the figures), for example made of rubber. Said at least one pin is configured to block the movement of the at least one fixed elastic member 6.
  • the upper part 2 can comprise as many pins as there are fixed elastic members 6, in particular here four pins.
  • the upper part 2 can comprise a composite material, for example fiberglass, carbon fiber, Kevlar, aluminum or wood.
  • the upper part 2 can comprise a first layer of a composite material and a second layer, for example of foam.
  • the upper part 2 has a substantially rectangular outline.
  • the lower part 3 serves to support the springboard on the ground in the position of use.
  • the lower part 3 is preferably also slightly domed. The bulge is directed upwards in the position of use.
  • the lower part 3 can be flat.
  • the upper part 3 comprises an attachment end 30 and a free end 31 opposite the attachment end 30.
  • the upper part 2 and the lower part 3 are joined to one another by their joining ends 20, 30. At this level, they form a joining zone for the springboard.
  • the lower part 3 moves away from the upper part 2 from the joining ends 20, 30.
  • the lower part 3 comprises a bearing face 32 on which the springboard 1 rests when it is in the position of use.
  • the lower part 3 also comprises an inner face 33 opposite the bearing face 32.
  • the inner face 33 of the lower part 3 is opposite the inner face 23 of the upper part 2.
  • the lower part 3 comprises a groove 34.
  • the groove 34 opens onto the internal face 33 of the lower part 3.
  • the groove 34 comprises two non-parallel rectilinear portions extended by curved portions.
  • the groove 34 has a substantially triangular outline.
  • the lower part 3 also comprises at least one groove 35.
  • the lower part 3 here comprises four grooves 35.
  • Each groove 35 has a circular outline.
  • the groove 35 opens onto the internal face 33 of the lower part 3.
  • the lower part 3 is preferably made of rigid material, for example metal, plastic, wood, plywood or composite.
  • the lower part 3 has a substantially rectangular contour.
  • a longitudinal direction is defined here, corresponding to a direction taken along the length of the lower part 3.
  • the lower part 3 has a longitudinal central axis A1.
  • the lower part 3 comprises on its inner face 33 a numeric scale 36.
  • Graduation 36 extends along an axis A0.
  • the axis A0 is here longitudinal.
  • the springboard 1 also includes a mobile elastic device 4 clearly visible to the figure 2 , and represented in isolation at figures 3, 4 .
  • the mobile elastic device 4 comprises an upper plate 40 and a lower plate 41.
  • the upper plate 40 and the lower plate 41 both have the same shape and the same structure. This notably simplifies their manufacture, but of course the upper plate 40 and the lower plate 41 may have different shapes and/or structures.
  • Each of the upper plate 40 and the lower plate 41 includes a sliding portion 400, 410.
  • Each sliding portion 400, 410 here has a racket shape. Each sliding portion 400, 410 thus has a wide zone and a narrower zone.
  • Each sliding portion 400, 410 comprises a housing 403, 413.
  • the housing 403, 413 is machined in one of the faces of the sliding portion 400, 410.
  • the housing 403, 413 opens onto an edge of the sliding portion 400, 410.
  • the housing 403, 413 has a substantially rectangular shape.
  • Each of the upper plate 40 and the lower plate 41 also comprises at least one receiving portion 401, 411.
  • Each of the upper plate 40 and the lower plate 41 here comprises two receiving portions 401, 411.
  • Each receiving portion 401, 411 protrudes from one face of the corresponding sliding portion 400, 410.
  • a recess 402, 412 is formed between each receiving portion 401, 411 and one face of the corresponding sliding portion 400, 410.
  • the reception portions 401 of the upper plate 40 here have different sizes. In other words, one of the reception portions 401 is larger than the other of the reception portions 401.
  • the reception portions 411 of the lower plate 41 have different sizes. In other words, one of the reception portions 411 is larger than the other of the reception portions 411.
  • the receiving portions 401, 411 may have the same dimensions.
  • the receiving portions 401 of the upper plate 40 extend opposite the receiving portions 411 of the lower plate 41.
  • a large receiving portion 401 of the upper plate 40 extends opposite a small receiving portion 411 of the lower plate 41
  • a small receiving portion 401 of the upper plate 40 extends opposite a large receiving portion 411 of the lower plate 41.
  • the receiving portions 401, 411 have a generally circular shape.
  • the mobile elastic device 4 also comprises at least one elastic member 42.
  • the mobile elastic device 4 here comprises two elastic members 42.
  • the elastic members 42 are conical springs. Each elastic member 42 has at its ends a wide winding 420 and a narrow winding 421.
  • the elastic members 42 are interposed between the upper plate 40 and the lower plate 41.
  • each elastic member 42 is wound at each of its ends around a receiving portion 401 of the upper plate 40 and around a receiving portion 411 of the lower plate 41.
  • Each elastic member 42 is wound at a recess 402 of the upper plate 40 and a recess 412 of the lower plate 41. More specifically, a wide winding 420 of each elastic member 42 is wound around a large receiving portion 401, 411 and a narrow winding 421 is wound around a small receiving portion 401 , 411.
  • the elastic members 42 can have other shapes, for example cylindrical.
  • the reception portions 401, 411 of the upper plate 40 and of the lower plate 41 can be of the same size.
  • the mobile elastic device 4 comprises at least one guide element 43.
  • the mobile elastic device 4 here comprises two guide elements 43.
  • Each guide element 43 comprises a cylindrical portion 430 extended by a rectangular portion 431.
  • the rectangular portion 431 includes a recess 432.
  • the recess 432 extends here almost over the entire length of the rectangular portion 431.
  • the rectangular portion 431 includes a free end 433 opposite an end extending the cylindrical portion 430.
  • the free end 433 is chamfered.
  • the rectangular portion 431 also includes a receiving orifice 434.
  • the receiving orifice 434 extends at the level of the free end 433.
  • the receiving orifice 434 is through.
  • the receiving orifice 434 here has a substantially circular shape.
  • the rectangular portion 431 further comprises a cavity 435.
  • the cavity 435 is formed by a portion of the recess 432.
  • the cavity 435 is located close to the free end 433.
  • Each guide element 43 is fixed to the lower plate 41.
  • the guide element 43 can be fixed to the lower plate 41 by means of bolts 436.
  • the cylindrical portion 430 of each guide element 43 is fixed to the lower plate 41 by a bolt 436, a rod 437 of which passes through a receiving portion 411.
  • Each guide element 43 has a width substantially equal to or slightly less than the width of the groove 34 of the lower part 3.
  • width of the guide element 43 is meant the largest dimension among a diameter of the cylindrical portion 430 and a width of the rectangular portion 431.
  • the guide elements 43 can thus be housed in the groove 34 of the lower part 3.
  • the mobile elastic device 4 also comprises at least one tension adjustment device 44.
  • the mobile elastic device 4 here comprises two tension adjustment devices 44.
  • Each tension adjustment device 44 has the shape of a substantially parallelepipedic block, and here cubic.
  • Each tension adjuster 44 includes a slot 440.
  • Each tension adjustment device 44 extends in the extension of a corresponding guide element 43.
  • the tension adjustment device 44 is assembled to the corresponding guide element 43.
  • the tension adjustment device 44 is in particular assembled at the free end 433 of the rectangular portion 431 of the guide element 43.
  • the assembly is here carried out by means of a bolt 441.
  • the bolt 441 comprises a nut 442 and a screw 443.
  • the screw 443 passes through the receiving orifice 434 of the rectangular portion 431 of the guide element 43.
  • the nut 442 is housed in the cavity 435 of the rectangular portion 431 of the guide element 43. Cavity 435 is configured to block rotation of nut 442.
  • Each tension adjustment device 44 has a width substantially equal to or slightly less than the width of the groove 34 of the lower part 3.
  • the tension adjustment devices 44 can thus be housed in the groove 34 of the lower part 3.
  • the mobile elastic device 4 also comprises a needle 45 or rod.
  • the needle 45 is housed in the housing 413 of the lower plate 41.
  • the needle 45 is fixed to the lower plate 41, for example by means of a screw.
  • the needle 45 is configured to point towards the graduation 36 so as to indicate the longitudinal position of the mobile elastic device 4.
  • the springboard also comprises a system 5 for moving the mobile elastic device 4.
  • the system for moving the mobile elastic device 4 is configured to move the mobile elastic device 4 in a given direction.
  • the moving system 5 is configured to move the mobile elastic device 4 along the direction of a straight line belonging to the upper part 2 or to the lower part 3.
  • the moving system 5 is here configured to move the movable elastic device 4 in a longitudinal direction.
  • the movement system 5 can be configured to move the mobile elastic device 4 in a direction other than the longitudinal direction, for example the direction transverse or a direction not orthogonal to one side of the lower plate 3.
  • the movement system 5 is fixed to the upper plate 2 or to the lower plate 3.
  • the movement system 5 is here fixed to the lower part 3.
  • the movement system 5 comprises a drive wheel 50, a driven wheel 51 and a flexible link 52.
  • a first housing is provided in the lower part 3 to receive the drive wheel 50.
  • a second housing is provided in the lower part 3 to receive the driven wheel 51.
  • the drive wheel 50 is close to the free end 31 of the lower part 3. This allows easy access to the drive wheel 50 to set it in motion.
  • the movement system 5 comprises a driving shaft 500 embedded on the driving wheel 50.
  • the movement system 5 also comprises a driven shaft 510 embedded on the driven wheel 51.
  • the embedding connection between the driving shaft 500 and the driving wheel 50, and between the driven shaft 510 and the driven wheel 51 can be carried out by any means, for example by means of a fixing screw, a key or by gluing.
  • the flexible link 52 is configured to transmit a rotational movement from the drive wheel 50 to the driven wheel 51.
  • the flexible link 52 extends into the groove 34 of the lower part 3.
  • the upper plate 40 or the lower plate 41 of the mobile elastic device 4 is integral with the flexible link 52.
  • the lower plate 41 of the mobile elastic device 4 is integral with the flexible link 52.
  • each tension adjustment device 44 is configured to block the flexible link 52 and apply a tension on the flexible link 52.
  • Each tension adjustment device 44 being in turn fixed to a guide 43 itself fixed to the lower plate 40, the lower plate 40 is thus secured to the flexible link 52.
  • the flexible link 52 passes through each tension adjustment device 44 by the slot 440.
  • the flexible link 52 is pinched and held fixed by each adjustment element 44 at the level of the slot 440.
  • the flexible link 52 is pinched and held fixed, for example by means of a plate below which the slot 440 extends.
  • the flexible link 52 thus comprises a first end 520 attached to one of the tension adjustment devices 44 and a second end 521 attached to the other of the tension adjustment devices 44.
  • the flexible link 52 is discontinuous here, it that is, it is interrupted between the first end 520 and the second end 521.
  • the bolts 441 make it possible to adjust the tension of the flexible link 52.
  • the movement system 5 is in the example illustrated a pulley-belt system.
  • the drive wheel 50 and the driven wheel 51 are pulleys and the flexible link 52 a belt.
  • the flexible link 52 illustrated is a synchronous belt but of course any other known type of belt can be used.
  • the material and the structure of the flexible link 52 are chosen according to the desired mechanical characteristics.
  • the flexible link 52 can be a polymer belt such as polyurethane or polypropylene.
  • the belt may include an underwire.
  • the reinforcement comprises for example glass fibers, steel cables, or aramid fibers.
  • a reinforced polymer belt advantageously makes it possible to absorb the stresses to which the belt is subjected when a jump is made on the springboard.
  • the springboard 1 further comprises at least one fixed elastic member 6 (visible at the figure 1 ).
  • the springboard 1 here comprises four fixed elastic members 6.
  • Each fixed elastic member 6 has a first end 60 and a second end 61 opposite the first end 60.
  • the first end 60 is placed in one of the grooves 35 of the lower part 3.
  • the second end 61 is fixed to the part upper 2, for example by means of the corresponding pawn.
  • the number, the shape and the arrangement of the grooves and the pins of the upper part 2 and of the lower part 3 can vary according to the number of fixed elastic members 6.
  • Other arrangements and means of immobilization of the fixed elastic members 6 with respect to the upper plate 2 and to the lower plate 3 can be envisaged.
  • the fixed elastic members 6 are for example conical springs.
  • the fixed elastic members 6 can be of another type, in particular cylindrical springs.
  • the lower part 3 of the springboard is placed on a support structure, for example the floor of a gymnasium.
  • the gymnast can then jump onto the take-off face 22 of the upper part 2.
  • the drive wheel 50 can be rotated manually.
  • the drive wheel 50 can be rotated using any suitable tool, for example a ratchet.
  • the movement system 5 can comprise a motor.
  • the motor is configured to put in rotation the drive wheel 50 in an automated manner.
  • the movement system 5 can also include other components, in particular electronic ones, configured to control the motor.
  • drive wheel 50 The rotational movement of drive wheel 50 is transmitted to driven wheel 51 by flexible link 52. Driven wheel 51 therefore also starts rotating.
  • the flexible link 52 moves in the groove 34 of the lower part 3.
  • the flexible link 52 being fixed to the tension adjusters 44, the movement of the flexible link 52 causes the movement of the tension adjusters 44 in the groove 34 of the lower part 3.
  • the tension adjusters 44 carry with them the guide elements 43.
  • the guide elements 43 being housed in the groove 34, they guide the sliding of the lower plate 41 and the upper plate 40.
  • the chamfered free end 433 and the cylindrical portion 430 allow by their rounded shapes a fluidity in the guiding and therefore in the sliding of the lower plate 41 and the upper plate 40.
  • the mobile elastic device 4 slides between the driven wheel 50 and the drive wheel 51.
  • the mobile elastic device 4 here slides longitudinally.
  • the direction in which the mobile elastic device 4 slides is determined in particular by the direction in which the groove 34 and the flexible link 52 extend.
  • the gymnast moves the mobile elastic device according to the area of the springboard at which he will jump (impact area) and the desired feeling. In other words, the flexibility of the springboard is adjusted according to the impact zone.
  • the feeling of the gymnast is not the same depending on the distance separating the mobile elastic device from the impact zone. Thus, for example, for a given impact zone, the gymnast would move the mobile elastic device 4 close to said zone for a “hard” feeling and on the contrary far from said zone for a “soft” feeling.
  • FIG. 5 represents the mobile elastic device 4 according to another embodiment in accordance with the invention.
  • the mobile elastic device 4 here comprises a guide element 43.
  • the mobile elastic device 4 also comprises a tension adjustment device 44.
  • the guide element 43 comprises a cylindrical portion 430 extended on either side by two rectangular portions 431.
  • One of the rectangular portions 431, called the first rectangular portion, comprises at a free end 438 an attachment device 439.
  • the attachment device 439 is here a plate configured to pinch and thus attach one end of the flexible link 52.
  • the flexible link 52 extending for example in a slot under said plate.
  • the other of the rectangular portions 431, called the second rectangular portion, comprises a free end 433 opposite the free end 438.
  • the guide element 43 is fixed to the lower plate 41, for example by means of bolts.
  • the tension adjustment device 44 has the same structure as in the embodiment described previously, with the difference of the dimensions.
  • the tension adjustment device 44 is here parallelepipedal, not cubic.
  • the assembly between the guide element 43 and the tension adjustment device 44 is also done in a similar way, by means of a bolt 441.
  • the guide element 43 is assembled at the end free 433 of the second rectangular portion 431 to the tension adjustment device 44 by means of the bolt 441.
  • the tightening of the bolt 441, and in particular the distance between the guide element 43 and the tension adjustment device 44 makes it possible to adjust the tension of the flexible link 52.
  • the flexible link 52 is simply attached to the guide element 43 by the fastening device 439 at the level of a first end 520.
  • the flexible link 52 is tensioned only at the level of the second end 521 , thanks to the tension adjustment device 44.
  • the mobile elastic device 4 of the figures 1 to 4 may include a single tension adjuster 44.
  • the configuration of the mobile elastic device 4 with a single guide element 43 and a single tension adjustment device 44 makes it possible to obtain a mobile elastic device with a more compact and less bulky structure. This is notably permitted by the fact that the guide element 43 and the tension adjustment device 44 extend under the lower plate 41 without projecting beyond the edges of the latter.
  • the mobile elastic device can be configured to slide in a direction other than the longitudinal direction, for example in a transverse direction or a direction not orthogonal to one side of the lower plate or the upper plate.
  • the lower plate and the upper plate of the mobile elastic device may have a different shape or dimensions. The smaller the size of the bottom plate and the top plate, the finer the adjustment of the springboard in elasticity.
  • the flexible link can be continuous.
  • the springboard may also comprise several mobile elastic devices.
  • the at least one mobile elastic device can be configured to be mobile in a direction other than the longitudinal direction.
  • the groove and the movement system can be oriented differently.
  • the present invention thus proposes a springboard whose elasticity can be adjusted easily and by a simple movement. Thanks to the invention, it is possible to adapt the dynamic response as a function of the impact zone on the springboard. More specifically, the gymnast moves the mobile elastic device according to the impact zone and the desired feeling. Thus, the springboard is adaptable to the gymnast.
EP22195164.3A 2021-09-16 2022-09-12 Turnsprungbrett mit einstellbarer elastizität Pending EP4151284A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2109735A FR3126884B1 (fr) 2021-09-16 2021-09-16 Tremplin de gymnastique à élasticité réglable

Publications (1)

Publication Number Publication Date
EP4151284A1 true EP4151284A1 (de) 2023-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP22195164.3A Pending EP4151284A1 (de) 2021-09-16 2022-09-12 Turnsprungbrett mit einstellbarer elastizität

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EP (1) EP4151284A1 (de)
FR (1) FR3126884B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673114A1 (fr) 1991-02-22 1992-08-28 Gymnova Sa Tremplin de gymnastique a elasticite reglable, avec zone de securite integree.
FR2696102A1 (fr) * 1992-09-30 1994-04-01 Gymnova Piste pour évolution acrobatique à dynamisme réglable, destinée à la gymnastique.
US7175567B2 (en) * 2003-05-21 2007-02-13 Gymnova Sa Gymnastics springboard with adjustable elasticity designed for training and competition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673114A1 (fr) 1991-02-22 1992-08-28 Gymnova Sa Tremplin de gymnastique a elasticite reglable, avec zone de securite integree.
FR2696102A1 (fr) * 1992-09-30 1994-04-01 Gymnova Piste pour évolution acrobatique à dynamisme réglable, destinée à la gymnastique.
US7175567B2 (en) * 2003-05-21 2007-02-13 Gymnova Sa Gymnastics springboard with adjustable elasticity designed for training and competition

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Publication number Publication date
FR3126884A1 (fr) 2023-03-17
FR3126884B1 (fr) 2023-09-29

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