EP2272578A2 - Haie - Google Patents

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Publication number
EP2272578A2
EP2272578A2 EP09015695A EP09015695A EP2272578A2 EP 2272578 A2 EP2272578 A2 EP 2272578A2 EP 09015695 A EP09015695 A EP 09015695A EP 09015695 A EP09015695 A EP 09015695A EP 2272578 A2 EP2272578 A2 EP 2272578A2
Authority
EP
European Patent Office
Prior art keywords
obstacle
tensioning
support
segments
holding means
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.)
Withdrawn
Application number
EP09015695A
Other languages
German (de)
English (en)
Other versions
EP2272578A3 (fr
Inventor
Martin Bernardus Hermanus Kuipers
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2272578A2 publication Critical patent/EP2272578A2/fr
Publication of EP2272578A3 publication Critical patent/EP2272578A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63K—RACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR
    • A63K3/00—Equipment or accessories for racing or riding sports
    • A63K3/04—Hurdles or the like
    • A63K3/046—Equestrian hurdles

Definitions

  • the invention relates to a device for forming a hurdle or an obstacle, particularly for animals and persons, such as for instance a jumping obstacle for equestrian sports.
  • hurdles in track and field events Another example are the hurdles in track and field events.
  • the hurdles fall down when an athlete contacts them in a certain way. Prior to a next passage the hurdle has to be put upright again, to which end personnel has to be kept available.
  • obstacle bar to be laid on supports which obstacle bar is built up from segments that by means of magnetic force, spring force or in a mechanical way are detachably connected to each other. In this way on impact by a horse the failure force is lowered. After collapsing of the bar the horse rider has to reconnect the segments to each other and place them on the supports.
  • an obstacle device particularly designed as jumping obstacle for animal sports, particularly equestrian sports, comprising a support and an obstacle, particularly elongated obstacle, to be supported by the support, wherein the obstacle comprises at least one obstacle member which with respect to the support can be moved between an operative position in which the obstacle has its integrity as an obstacle and a lower collapsed position in which the integrity of the obstacle is at least partially ended, wherein the device furthermore comprises holding means for pulling, particularly tensioning, the obstacle member to the support in order to hold it in the operative position, wherein the holding means also comprise releasing means for on an impact exerted on the obstacle member by a user of the obstacle device, lowering, particularly ending, the pulling force, in order to allow, particularly immediately allow, said obstacle member to move to the collapsed position.
  • the obstacle will on said impact due to (sudden) lowering, effected by the releasing means, of the force with which the obstacle member is pulled to the support, change its condition wherein the earlier integrity or shape of the obstacle is ended and thus the resistance is ended or considerably reduced. In that way the risk of injury is strongly reduced.
  • the releasing means preferably are designed for on impact immediately ending the pulling force. Particularly under the influence of the impact and gravity, the obstacle member can move fast to a lower collapsed position.
  • the holding means may be adapted for permanently connecting the obstacle member and adjacent parts of the device, particularly the support, to each other, as a result of which some connection is preserved between the parts, which facilitates the (automatic, see below) re-erection of the obstacle. This particularly applies when several obstacle members are connected to each other in series by means of reconstructable collapsing connections.
  • the holding means may comprise at least one tensioning element, such as a cable, rope and the like, for in the operative position tensioning the obstacle member to the support, wherein the device preferably comprises tensioning means for tensioning the tensioning element.
  • the releasing means may be adapted for releasing a length of tensioning element, particularly a limited length. Limiting the released length, for instance by means of a stop on the tensioning element, facilitates the reconstruction of the obstacle.
  • the tensioning means may comprise a drive, particularly a drive to be actuated by the device, and particularly provided with a remote control, in which way personnel can be economized on. In case of a horse rider-horse combination the horse rider is able to activate the drive from horseback for rebuilding the obstacle.
  • the tensioning element extends through the obstacle.
  • the holding means may comprise, preferably spring-loaded, locking means, for securing the tensioning means in a tensioned condition, wherein the releasing means are configured for ending the locking when the pulling force is exceeded to a predetermined degree. They therefore also act as trigger elements, which on impact immediately cause the relaxation.
  • the releasing means are adjustable for adjusting the predetermined degree of exceeding the pulling force with which the locking is ended, so that the forces to be expected on impact by a user of the obstacle can be optimally adjusted to.
  • the locking means comprise a blocking part, such as a blocking ball or blocking pin, which directly or indirectly engages onto said tensioning element and on said impact is operated to end the locking, for instance on a cable pulley on which a tensioning cable as tensioning element is attached with one end and with which the cable can be tensioned.
  • the releasing means and the locking means can in that case at least partially coincide as regards parts, when the blocking part is spring-biased and it is pressed in for release of the tensioning element when a threshold value in the pulling force in the tensioning element is exceeded.
  • the holding means particularly the locking means and releasing means, can be designed for on an impact oriented transverse to the pulling force on the obstacle member, releasing said obstacle member in order to let it assume the collapsed position.
  • the obstacle member In the operative position the obstacle member can be connected to an adjacent part of the device by means of a collapsing connection.
  • the collapsing connection can in that case form a potential rotary connection for enhancing the collapsing motion. Erecting the device from the collapsed position is enhanced when the obstacle member and the adjacent part of the device are provided with first orienting means cooperating with each other for mutually orienting in the operative position.
  • the device according to the invention is provided with second orienting means for with respect to the support adjusting the orientation of the obstacle member, so that, in an example as obstacle for equestrian jumping sports, an arrangement such as Calavetti with horizontal obstacle rail and an arrangement such as the so-called cross-rail is possible.
  • the obstacle member will be substantially elongated and the pulling force is substantially in line therewith, particularly generates a normal force in the obstacle member.
  • the obstacle may in an embodiment comprise one obstacle member.
  • said rail may for instance comprise a fixed member and a collapsing (obstacle) member, that are in line with each other. It is also possible that the entire rail, or almost the entire rail, form the (single) obstacle member of the obstacle. It is also possible that the obstacle comprises a number of obstacle members pulled against one another in series by the holding means, particularly tensioning means.
  • the device according to the invention comprises two obstacles that are not in line with each other and have one obstacle member each, wherein both obstacle members have each been pulled against a common support by holding means, and the locking means and releasing means are jointly active on the holding means of both obstacle members.
  • the tensioning means can also be common to a great extent, as well as the control device for them.
  • the invention provides an obstacle device comprising a support and an obstacle to be supported by the support, wherein the obstacle comprises a number of segments placed adjacent to each other and against each other, wherein the device further comprises holding means that can be activated and de-activated for with a holding force keeping the adjacently situated segments against one another, wherein the adjacently situated segments form collapsing connections in the obstacle.
  • the obstacle in the device according to the invention thus has two positions, an operative position, in which the segments are kept against one another, and for instance form a rail, and a collapsed position, in which the mutual connection of the segments has collapsed and the integrity or the shape of the obstacle has been ended. In this way the risk of injury is limited.
  • Rebuilding the device is facilitated when the device is provided with serial means for keeping the segments in series after one or more of the collapsing connections have collapsed. As a result the segments remain in sequence and connected to each other.
  • the holding means also form the serial means.
  • the holding means are able to pull the adjacently situated segments against one another. This can be done in an easy way when the holding means comprise a tensioning element that can be activated and de-activated and extends permanently in serial direction, and which may also serve as said serial means. As a result the obstacle can be reconstructed without personnel having to place the segments against one another. By activating the tensioning element the segments can automatically form the obstacle again.
  • the tensioning element may be shielded by the segments, in an embodiment in which the tensioning element extends through the segments.
  • the device itself can be provided with tensioning means for tensioning the tensioning element.
  • the tensioning means are hand-driven, for instance by a handle. Personnel can be further economized on when the tensioning means comprise a drive, particularly a drive to be actuated by the device, particularly provided with a remote control.
  • the holding means are provided with trigger means for de-activating them when an event takes place, particularly an impact exerted on the obstacle by an intended user, preferably an impact exerted transverse to the obstacle.
  • the impact may for instance be the legs of a horse that contact the obstacle.
  • the integrity of the obstacle can then immediately be substantially fully ended, as the force that holds the segments together is then suddenly ended, with hardly any delay at all.
  • the holding means comprise locking means that are deactivated, particularly immediately, on impact.
  • Said locking means may comprise a blocking part, such as a blocking ball that indirectly engages onto said tensioning element. On impact the ball is pushed in and the tension on the tensioning element drops away so that the segments are able to move.
  • Collapsing of the obstacle is enhanced when at the location of the collapsing connection the segments are potentially rotatable with respect to each other.
  • the segments are formed like bodies of revolution with respect to a centre line that coincides with the centre line of the obstacle, they fit together in any rotated position, which enhances the joining together.
  • the obstacle extends sidewards from the support like a kind of outrigger.
  • Such a device can be joined with a comparable device for forming an obstacle device having two supports on either side, when the obstacles in question with their outer ends extend from opposite directions to near one another.
  • the outer ends of both obstacles can for additional stability be provided with cooperating coupling means such as for instance magnets.
  • the device may particularly be designed as a jumping obstacle for animal sports, particularly equestrian sports.
  • the device according to the invention is provided with setting means for adjusting the height of the obstacle, preferably by means of a drive that can be manually operated or can be controlled by motor, preferably can be remote controlled, so that the height of the obstacle can easily be adjusted to the needs.
  • the invention provides an obstacle device comprising a support to be placed on a basis and an obstacle to be supported by the support, wherein at least a part of the obstacle in the operative position is tensioned against the support by tensioning means, wherein the device is furthermore provided with releasing means to be activated or triggered for relaxing the tensioning means on impact by a foreign body against the obstacle member.
  • the tensioning means can also form connection means for permanently connecting the obstacle member and the support to each other.
  • the tensioning means can comprise a cable, rope and the like, wherein the tensioning means are adapted for tensioning the cable and the like and the releasing means are adapted for releasing a length, particularly a limited length, of the cable and the like. After relaxation of the tensioning means the obstacle member can move downwards freely under influence of gravity.
  • U horizontal or upright rails and poles which by means of a pre-tensioned, movable connection, comprising a cable and a spring, have been tensioned against a support. On impact the rail or pole gives way in a resilient manner, in order to immediately return to the initial position due to spring action.
  • the invention provides an obstacle device comprising a support and an obstacle to be supported by the support, wherein the obstacle comprises at least one obstacle member which with respect to the support can be moved between an operative position in which the obstacle has its integrity as an obstacle and a lower collapsed position in which the integrity of the obstacle is at least partially ended, wherein the device further comprises holding means for with a pulling force keeping the obstacle member in the operative position with respect to the support, wherein the holding means are adapted for on an impact exerted on the obstacle member by a user of the obstacle device, allowing, particularly immediately allowing, said obstacle member to move to the collapsed position.
  • the obstacle 1 of figures 1A-C comprises two columns 2 and two (but this can be any other number) rails 3 which at their ends are supported by the columns 2.
  • the columns 2 are fixedly positioned on a basis and they are hollow.
  • the rails 3 have been built up from elongated, hollow segments 4, which by means of a tensioning cable 20 ( figures 2A and 2B ) passed through them have been tensioned against each other in order to be in line with each other.
  • the rails 3 At the location of a centre plane M the rails 3 have been divided and therefore comprise two rail members 3a,b which are each connected with their own column 2.
  • the segments 4 are composed of a straight circle-cylindrical casing 5, for instance of synthetic material, and define a cavity 6 which at the one end is closed off by a cap 7 and at the other end by a cap 8, which -for instance synthetic-caps 7,8 are attached to the casing 5 by means of a press fit.
  • the caps 7,8 are provided with shoulders 10, 13 that abut the end edges 9, 12 of the casing 5.
  • the shoulders 10, 13 furthermore have axially oriented end edges 11 and 14.
  • the cap 7 is provided with a concave end surface 15 of which the curvature is spherical having centre N1.
  • the cap 7 is provided with a central hole 17 for tensioning cable 20.
  • the cap 8 is provided with a convex end surface 16 of which the curvature is spherical having centre N2.
  • the cap 8 is provided with a central hole 18 for tensioning cable 20, which hole is in line with hole 17.
  • connection shown in figure 2A is a potential collapsing connection that becomes active (collapses) when the tension on the cable 20 drops away.
  • both end segments 4 of the rail members 3a,b the cable end 20a is secured to its cap 7, see figure 2B .
  • the cable end 20a is attached to a spring 28 which itself is attached to eye bolt 26, which by means of nut 27 is secured to the end surface 15 of cap 7.
  • Both end edges 14 are positioned at a small distance from each other, large enough to make rotation of the end segments 4 in the vertical plane possible.
  • FIG. 2C An alternative for this meeting area is shown in figure 2C , wherein both caps 7 have been replaced by caps 8', which have internally been provided with a transverse bar 27' on which the spring 28 is attached.
  • caps 7 In both end walls, that are closed, permanent magnets 29 have been housed, which attract each other, such that the convex surfaces 16' are aligned with each other. Due to the convex spherical shape the surfaces 16' are able to approach each other closely without impeding a later rotation of both end segments in the vertical plane. The influence of the magnets 29 is limited in radial direction, in order not to impede the collapsing of the rail 3, described later.
  • FIG. 3A-3C An example of a tensioning mechanism that can be used in the invention is shown in figures 3A-3C .
  • the control unit 80 comprises a case 30, in which are arranged a drive, comprising an electromotor 32, a guide 33 and an extending rod 34, which can be reciprocally moved in vertical directions C by the motor 32.
  • a drive comprising an electromotor 32, a guide 33 and an extending rod 34, which can be reciprocally moved in vertical directions C by the motor 32.
  • two transverse arms 35,36 are attached, wherein the transverse arm 36 extends in a vertical slit 38 in the case 30 and the transverse arm 35 is provided with an eye 37 though which in a fitting yet slidable manner a bending-stiff draw bar 40 extends.
  • the draw bar 40 in a slidable manner extends through two plates 39a,b that are fixedly attached to the case 30.
  • an adjusting nut 41 is attached, which can be set in position along the draw bar and forms an abutment.
  • the upper end of the draw bar 40 is attached to the end 24a of a cable 24, which runs around cable pulley 22 and is attached thereto with end 24b.
  • the cable pulley 22 is rotatable about shaft 23.
  • On the shaft 23 a second cable pulley 21 is bearing mounted, to which the ends 20b of both tensioning cables 20 have been attached.
  • Each tensioning cable 20 runs in its individual groove about the cable pulley 21 and about its individual pulley 25, through a hole in the case 30 and in the cavities 6 of rail segments 4 of the rail 3a,b in question.
  • the cable pulley 21 is provided with a step-shaped recess 76, having a step wall 76 situated slightly to the right of the radial of the pulley 21.
  • a spring-loaded ball 78 of a blocking device extends, which ball is held by housing 77 in which a compression spring is accommodated which presses the ball 78 down with a set force, in the recess 76.
  • the adjustment takes place by means of a blocking pin accommodated in the housing 77 by means of a screw connection, of which blocking pin the inner end presses against the spring and the outer end is provided with a hexagonal hole 79 for an Allenkey with which the pin can be screwed in or out with respect to the housing 77 to the desired extent.
  • the ball 78 presses with such a (pre-set) force that the cable pulley is stopped against, as considered in the drawing, anti-clockwise rotation, in the normal position of use of the obstacle, that means when the obstacle is the ready position.
  • FIG 3D a possible embodiment of the connection of the rail members 3a,b on the related control units 80 is shown, wherein use is made of a rail piece 4", which may substantially correspond with a cap 7, in this case cap 7".
  • the cap 7" has an end edge 71 that is attached, for instance by means of glue, to side surface 70 of the case 30.
  • the cap 7" has a hollow surface 15" in which spherical-convex surface 16' of a cap 8' of a rail segment 4' is fittingly and rotatably accommodated. The fit may be in accordance with what has been described in connection with figure 2A .
  • the cap 7" thus forms a hollow hinge for the rest of the rail 3(b), with the possibility to rotate in the horizontal plane and the vertical plane.
  • a bellows-shaped sleeve 72 is arranged, which serves to keep dirt away from the surfaces 16' and 15". It is noted that such sleeves can also be provided between the ends of the segments 4, 4, with some adaptation of their shape.
  • FIG 3E an alternative for the connection of the rail members 3a,b on the related control unit 80 is shown, wherein via brackets 74 rail segment 4" is attached to the case 30, via a horizontal hinge pin 75.
  • the orientation in the vertical plane of rail segment 4" can be adjusted by tilting about pin 75 (directions P) and be secured by placing pin 81 in the locking hole 82 related to that position.
  • the position shown can for instance be used for forming a so-called cross-rail as jumping obstacle for horses.
  • a large cable pulley 50 ( figure 4C ) is arranged, that is freely rotatable about a shaft 51 and about which a cable 52 runs, which with an end is attached to the cable pulley 50 and runs around roller 54a and with the other end is attached to a fixed point 53 at the upper end of the column 2 (not further shown).
  • a small cable pulley 56 is furthermore bearing mounted, as one rotatable unit with pulley 50, to which the end of a cable 55 is attached that runs around roller 54b and with the other end 55a is attached to the lower end of an extending rod 64 of a drive 61 that further comprises a guide 63 and an electromotor 62.
  • the electromotor 62 By operating the electromotor 62, using remote control, the extending rod 64 can be retracted, direction J. As a result the pulley 56 will rotate in direction K, and so will the pulley 50, as a result of which the cable 52 will be pulled in direction L. As a result the case 30 will move upwards in the direction N, guided in the column 2 by wheels 67a,b. In that way the rails 3 that are held by the cases 30 are set higher, at the desired height. In case of lowering the electromotor 62 can be operated in opposite direction.
  • the condition shown in figures 1A-C is the operative position of the obstacle 1. It may occur that during a jump a horse contacts one of the rails 3 or both rails 3 with its legs. It may also occur that a horse does not jump and contacts both rails 3 with its chest. In that case the rails 3 will be subjected to a transverse force F and tend to deflect from the horizontal direction.
  • the cable pulley 22 rotates along and the draw bar 40 rockets upwards, guided by the plates 39a,b. Due to the tension dropping away in the tensioning cables 20 (direction E) the integrity of the rails 3 is ended to an important degree. As a result thereof the collapsing connections between the segments 4 are used and the rail segments 4 are able to tilt with respect to each other under the influence of gravity and optionally the impact, and optionally slide apart. The rails 3 then as it were collapse, direction G, and end up in a position shown in figures 5A-C . Thus the obstacle body, in this case the rails 3, drop away near the location of contact.
  • the rails 3 do not fully collapse as the cable 20 still extends through them and a residual tension is maintained in the cable 20, as can be seen in figures 5A-C .
  • the draw bar 40 in the end namely touches the lower side of the plate 39a with the stop nut 41, as a result of which relaxation of the cable 20 is stopped and a limited length of the cable, corresponding with the distance between the plates 39a and 39b minus the thickness of the stop nut 41, is released.
  • the remote control for the electromotor 32 is operated, as a result of which the extending rod 34 is extended downwards, wherein by contact of the adjusting nut 41 with the eye 37 the draw bar 40 is urged downwards in direction D and the cable 24 rotates the cable pulleys 21 and 22 in the direction A.
  • the tensioning cables 20 are tightened in directions H and the tension in the tensioning cables 20 is restored, wherein finally the ball 78 engages behind the step wall 76a again and the position of figures 1A-C is restored.
  • the obstacle after the rail(s) has(have) dropped, can be brought back into its initial position without physical effort.
  • Reconstruction of the obstacle takes place by means of tensioning the rail by means of a tensioning mechanism.
  • the tensioning mechanism can be any medium with which tensioning takes place. For instance a cable, rope, pneumatics, hydraulics, magnet, etc. or a combination of the various elements. Tensioning this mechanism can also take place in various ways, such as a motor, pneumatics, hydraulics, or a spring.
  • the rails 3a,b can alternatively be integrally formed, wherein by means of their own tensioning cable they are tensioned to the column 2, in the manner described above or in any other suitable way.
  • Tensioning the rail can also take place on one side, in which case the rail in question forms an outrigger from one column.
  • Reconstructing an obstacle according to the invention can be carried out in various ways, for instance:
  • a collapsible rail can be combined with a standard rail.
  • the lower rail could for instance be designed as standard rail.
  • the tensioning mechanism for the cable can be designed in various ways.
  • the cable 120 can be tensioned by means of a tensioning arm 122, that is rotatably attached about hinge 122a in a case 130 and provided with a pulley 126 for the cable 120, of which the end 120b is fixedly attached in the case.
  • the tensioning arm 122 can be rotated into a tensioning position, shown in figure 7C , by a remote controlled flight 134 accommodated in the case 130 and moved by a remote controlled actuator 132 and provided with a hook 137 that engages onto a protrusion on the arm 122.
  • the tensioning arm 122 is provided with a V-slot 176a oriented transverse to the rotary path of the tensioning arm, in which slot, in the tensioning position, a blocking pin 178 of the blocking unit 177 ( figure 7B ), which pin is spring-biased to the tensioning arm, can be pressed by a cup spring package 194, provided with a hexagon 179 for adjusting the force with which the pin 178 can be pressed to the inside.
  • the tensioning arm 122 is guided within guide 190 of figure 7A .
  • the guide 190 is designed double and comprises two plates 191a,b which with a separation plate 192 situated in between them define two vertical passages 193a,b.
  • a blocking unit 177 is positioned, in order to engage into the V-slot 176a of a tensioning arm 122 fittingly accommodated in the passage 193a,b.
  • an individual tensioning arm 120 may namely be provided.
  • the tensioning arm or tensioning arms 122 is or are guided by the guide 190 at rotation about hinge 122a.
  • the tensioning arm 122 is immediately released and is pulled along by the cable 120, until the tensioning arm ends up against a stop 196 that is provided with a damper.
  • a stop 196 that is provided with a damper.
  • each tensioning arm an individual blocking ball or the like is provided, only the rail touched will collapse on impact.
  • the flight 134 is operated again.
  • a flight 134 can be provided for each tensioning arm 122.
  • the rails can be set at different heights so that this obstacle is suitable for any height to jump.
  • this mechanism can be designed in various ways, electrically, pneumatically, hydraulically or in any other way in order to come to a drive. Manual operation is also possible.
  • the invention can also be used in other sports besides the equestrian jumping sports, for instance in track and field events, such as the hurdle race and high jumping, basically in any condition in which a rail can be thrown off that subsequently has to be restored in position.

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  • Manipulator (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
EP09015695A 2008-12-18 2009-12-18 Haie Withdrawn EP2272578A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1036325A NL1036325C2 (nl) 2008-12-18 2008-12-18 Hindernis.

Publications (2)

Publication Number Publication Date
EP2272578A2 true EP2272578A2 (fr) 2011-01-12
EP2272578A3 EP2272578A3 (fr) 2011-05-04

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EP09015695A Withdrawn EP2272578A3 (fr) 2008-12-18 2009-12-18 Haie

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EP (1) EP2272578A3 (fr)
NL (1) NL1036325C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110917639A (zh) * 2019-12-03 2020-03-27 齐鲁理工学院 一种足球训练用可伸缩跨栏器械

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042810A2 (fr) 1980-06-23 1981-12-30 Jean-Pierre Sanchez Dispositif d'accouplement élastique pour assembler bout à bout et coaxialement deux tronçons de tube et applications
DE9301135U1 (fr) 1993-01-28 1993-03-25 Julius Cronenberg Oh, 5760 Arnsberg, De
JPH08309040A (ja) 1995-05-17 1996-11-26 Nishi Sports:Kk 練習用ハードル
DE29818695U1 (de) 1998-10-21 1999-01-21 Luber Josef Sicherheitshindernisstangen für den Pferdesport

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1011397C1 (nl) * 1999-02-26 2000-08-29 Lammers Metaal B V Ophangbeugel.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042810A2 (fr) 1980-06-23 1981-12-30 Jean-Pierre Sanchez Dispositif d'accouplement élastique pour assembler bout à bout et coaxialement deux tronçons de tube et applications
DE9301135U1 (fr) 1993-01-28 1993-03-25 Julius Cronenberg Oh, 5760 Arnsberg, De
JPH08309040A (ja) 1995-05-17 1996-11-26 Nishi Sports:Kk 練習用ハードル
DE29818695U1 (de) 1998-10-21 1999-01-21 Luber Josef Sicherheitshindernisstangen für den Pferdesport

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110917639A (zh) * 2019-12-03 2020-03-27 齐鲁理工学院 一种足球训练用可伸缩跨栏器械

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Publication number Publication date
NL1036325C2 (nl) 2010-06-21
EP2272578A3 (fr) 2011-05-04

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