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EP0057939A2 - Boxing training device - Google Patents

Boxing training device Download PDF

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Publication number
EP0057939A2
EP0057939A2 EP82100964A EP82100964A EP0057939A2 EP 0057939 A2 EP0057939 A2 EP 0057939A2 EP 82100964 A EP82100964 A EP 82100964A EP 82100964 A EP82100964 A EP 82100964A EP 0057939 A2 EP0057939 A2 EP 0057939A2
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EP
European Patent Office
Prior art keywords
sack
boxing
exercise device
holding device
sectional shape
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Withdrawn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
EP82100964A
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German (de)
French (fr)
Other versions
EP0057939A3 (en
Inventor
Josef Keglovitz
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
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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 EP0057939A2 publication Critical patent/EP0057939A2/en
Publication of EP0057939A3 publication Critical patent/EP0057939A3/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/20Punching balls, e.g. for boxing; Other devices for striking used during training of combat sports, e.g. bags
    • A63B69/305Hanging heavy punching bags

Definitions

  • the invention relates to a boxing exercise device, consisting of a bag filled with sand or the like, which is arranged freely suspended.
  • the sack of a boxing exercise device of the type mentioned above usually has a round cross section. Moreover, such a bag is usually fixed at the ceiling of a training space at such a height suspended so that a training option for different weight classes belonging Boxsportler and for B öxsportler different body sizes is given.
  • the invention is therefore based on the object to show a way how to design a boxing exercise device of the type mentioned in order to be able to be used practically universally for the above-mentioned different fields of application.
  • the object outlined above is achieved according to the invention in a boxing exercise device of the type mentioned at the outset in that the sack has a cross-sectional shape with a preferably largely flat running front which serves to accommodate at least one marking and the height is adjustable by means of a torsionally stable holding device.
  • the invention has the advantage over the conventional boxing exercise device considered at the outset that, with relatively little constructive effort, a practically universally applicable boxing exercise device is created which allows optimum results to be achieved when training boxing athletes of different weight classes and body sizes.
  • the sack preferably has a cross-sectional shape corresponding to a polygon with rounded corners. This has the advantage that particularly favorable exercise or training conditions can be created.
  • the markings mentioned are preferably each printed on the sack. This has the advantage that the exercise device can be manufactured relatively inexpensively. However, it is also preferably possible to detachably attach the aforementioned markings to the sack or to the front thereof, for example by means of an adhesive bond.
  • the markings in question can consist of thin plastic films.
  • the holding device preferably comprises a roller-cable arrangement. This has the advantage of being particularly small constructive effort with regard to the holding device.
  • the holding device expediently contains a spring arrangement connected to the sack. This has the advantage that the holding device can be made torsionally stable in a relatively simple manner.
  • a sack 1 is indicated, which may be filled with sand or the like filling material and which has a cross-sectional shape corresponding to a polygon with rounded corners, as is shown by the sectional view indicated in the lower part of the sack 1 in question. It can be seen that the sack 1 has a cross-sectional shape that shows two flat sides. Basically, the sack 1 can have any cross-sectional shape. Markings 3, 4 and 5 are provided on the front side 2 of the sack 1 shown in the drawing, which markings can either be printed on the sack front side 2 or applied there in some other way, for example by an adhesive connection. As indicated, the markings can preferably belong to a person's representation in typical boxing or show such a representation itself.
  • the sack 1 is suspended from its upper end 6 by means of a holding device, which will be explained in more detail below, on the ceiling 11 of a room which is only indicated schematically. A side wall 14 and a floor 19 of the relevant room are also indicated in the drawing.
  • the holding device comprises a roller-rope arrangement with a rope 7 which is guided around two rope rollers 9 and 12.
  • the rope 7 is connected to the upper sack end 6 by means of a spring arrangement 8 serving as a stiffening arrangement.
  • the spring arrangement 8 consists of two springs arranged one behind the other, the opposite winding directions have and which each return to a starting position due to torsional stress.
  • any other stiffening arrangement can be used, which ensures that the sack 1 is open. an impact on its front side at least sluggishly got out of its starting position.
  • the above-mentioned rope pulley 9 is attached to the aforementioned ceiling 11 by means of a roller fastening part 10.
  • the rope pulley 12 is attached to the side wall 14 by means of a roller fastening part 13.
  • the rope 7 guided around the pulleys 9 and 12, which can be, for example, a steel rope or a plastic rope, is provided at its end with a handle 18 which can be brought into contact with holders 15, 16, 17, which are in the side wall 14 are attached.
  • the relevant holders 15, 16, 17, which can each have a slot-shaped opening for the introduction of the rope 7, are arranged at different heights. For example more holders than shown in the figure can also be provided in order to adjust the sack even more precisely, e.g. according to a measuring stick attached to the wall.
  • Holding device can also be used other holding devices, for example one through which the bag 1 is connected to the ceiling 11 via a screw connection.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Container Filling Or Packaging Operations (AREA)

Abstract

The device consists of a sack (1) which is filled with sand or the like and has a cross-sectional shape with a preferably largely flat front side (2) which serves for receiving at least one marking (3, 4, 5). The sack (1) can be adjusted in height by means of a holding device (6 to 18) which is resistant to torsion. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Boxsport-Übungsgerät, bestehend aus einem mit Sand oder dergleichen gefüllten Sack, der freihängend angeordnet ist.The invention relates to a boxing exercise device, consisting of a bag filled with sand or the like, which is arranged freely suspended.

Üblicherweise weist der Sack eines Boxsport-übungsgerätes der vorstehend erwähnten Art einen runden Querschnitt auf. überdies ist ein derartiger Sack üblicherweise ortsfest an der Decke eines Trainingsraums in solcher Höhe aufgehängt, daß eine Trainingsmöglichkeit für unterschiedlichen Gewichtsklassen angehörende Boxsportler sowie für Böxsportler unterschiedlicher Körpergrößen gegeben ist.The sack of a boxing exercise device of the type mentioned above usually has a round cross section. Moreover, such a bag is usually fixed at the ceiling of a training space at such a height suspended so that a training option for different weight classes belonging Boxsportler and for B öxsportler different body sizes is given.

Es hat sich nun in der Praxis gezeigt, daß ein Boxsport-übungsgerät der vorstehend bezeichneten Art für Boxsportler unterschiedlicher Gewichtsklassen und Körpergrößen insgesamt keine optimale Trainingsmöglichkeit mit sich bringt.It has now been shown in practice that a boxing exercise device of the type described above does not provide an optimal training option for boxing athletes of different weight classes and body sizes.

Dies trifft insbesondere auch für den Fall zu, daß ein derartiges Übungsgerät für die Vorbereitung eines Boxkampfes herangezogen wird. Bei einer solchen Vorbereitung kommt es nämlich entscheidend darauf an, sich auf die Körpergröße des Gegners einzustellen.This is particularly true in the event that such a training device is used to prepare for a boxing match. With such preparation, it is crucial to adjust to the size of the opponent.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, einen Weg zu zeigen, wie ein Boxsport-übungsgerät der eingangs genannten Art auszubilden ist, um praktisch universell für die vorstehend erwähnten unterschiedlichen Anwendungsbereiche eingesetzt werden zu können.The invention is therefore based on the object to show a way how to design a boxing exercise device of the type mentioned in order to be able to be used practically universally for the above-mentioned different fields of application.

Gelöst wird die vorstehend aufgezeigte Aufgabe bei einem Boxsport-übungsgerät der eingangs genannten Art erfindungsgemäß dadurch, daß der Sack eine Querschnittsform mit einer vorzügsweisen weitgehend flach verlaufenden, der Aufnahme zumindest einer Markierung dienenden Vorderseite aufweist und mittels einer torsionsstabilen Haltevorrichtung in der Höhe verstellbar ist.The object outlined above is achieved according to the invention in a boxing exercise device of the type mentioned at the outset in that the sack has a cross-sectional shape with a preferably largely flat running front which serves to accommodate at least one marking and the height is adjustable by means of a torsionally stable holding device.

Die Erfindung bringt gegenüber dem eingangs betrachteten üblichen Boxsport-Übungsgerät den Vorteil mit sich, daß mit relativen geringem konstruktiven Aufwand ein praktisch universell einsetzbares Boxsport-übungsgerät geschaffen ist, welches optimale Ergebnisse beim Training von Boxsportlern unterschiedlicher Gewichtsklassen und Körpergrößen zu erzielen gestattet.The invention has the advantage over the conventional boxing exercise device considered at the outset that, with relatively little constructive effort, a practically universally applicable boxing exercise device is created which allows optimum results to be achieved when training boxing athletes of different weight classes and body sizes.

Vorzugsweise weist der Sack eine einem Vieleck mit abgerundeten Ecken entsprechende Querschnittsform auf. Dies bringt den Vorteil mit sich, daß besonders günstige Übungs- bzw. Trainingsbedingungen geschaffen werden können.The sack preferably has a cross-sectional shape corresponding to a polygon with rounded corners. This has the advantage that particularly favorable exercise or training conditions can be created.

Die erwähnten Markierungen sind vorzugsweise auf dem Sack jeweils aufgedruckt. Dies bringt den Vorteil mit sich, daß das übungsgerät relativ preisgünstig hergestellt werden kann. Es ist aber auch vorzugsweise möglich, die erwähnten Markierungen an dem Sack bzw. an dessen Vorderseite lösbar anzubringen, beispielsweise durch eine Ädhäsionsverbindung. Die betreffenden Markierungen können dabei aus dünnen Kunststoffolien bestehen.The markings mentioned are preferably each printed on the sack. This has the advantage that the exercise device can be manufactured relatively inexpensively. However, it is also preferably possible to detachably attach the aforementioned markings to the sack or to the front thereof, for example by means of an adhesive bond. The markings in question can consist of thin plastic films.

Die Haltevorrichtung umfaßt vorzugsweise eine Rollen-Seilanordnung. Dies bringt den Vorteil eines besonders geringen konstruktiven Aufwand hinsichtlich der Haltevorrichtung mit sich.The holding device preferably comprises a roller-cable arrangement. This has the advantage of being particularly small constructive effort with regard to the holding device.

zweckmäßigerweise enthält die Haltevorrichtung eine mit dem Sack verbundene Federanordnung. Dies bringt den Vorteil mit sich, daß auf relativ einfache Weise die Haltevorrichtung torsionsstabil gemacht werden kann.The holding device expediently contains a spring arrangement connected to the sack. This has the advantage that the holding device can be made torsionally stable in a relatively simple manner.

An Hand einer Zeichnung wird die Erfindung nachstehend beispielsweise näher erläutert. In der Zeichnung ist ein Sack 1 angedeutet, der mit Sand oder dergleichen Füllmaterial gefüllt sein mag und der eine einem Vieleck mit abgerundeten Ecken entsprechende Querschnittsform aufweist, wie dies die im unteren Teil des betreffenden Sackes 1 angedeutete Schnittansicht zeigt. Dabei ist ersichtlich, daß der Sack 1 eine Querschnittsform aufweist, die zwei flach verlaufende Seiten zeigt. Grundsätzlich kann der Sack 1 irgendeine Querschnittsform aufweisen. Auf der Vorderseite 2 des:in der Zeichnung dargestellten Sackes 1 sind Markierungen 3,4 und 5 vorgesehen, die auf der Sackvorderseite 2 entweder aufgedruckt oder in sonstiger Weise dort aufgebracht sein können, beispielsweise durch eine Adhäsionsverbindung. Die Markierungen können, wie angedeutet, vorzugsweise zu einer Personendarstellung in typischer Boxerstellung gehören bzw. selbst eine solche Darstellung zeigen.The invention is explained in more detail below with reference to a drawing. In the drawing, a sack 1 is indicated, which may be filled with sand or the like filling material and which has a cross-sectional shape corresponding to a polygon with rounded corners, as is shown by the sectional view indicated in the lower part of the sack 1 in question. It can be seen that the sack 1 has a cross-sectional shape that shows two flat sides. Basically, the sack 1 can have any cross-sectional shape. Markings 3, 4 and 5 are provided on the front side 2 of the sack 1 shown in the drawing, which markings can either be printed on the sack front side 2 or applied there in some other way, for example by an adhesive connection. As indicated, the markings can preferably belong to a person's representation in typical boxing or show such a representation itself.

Der Sack 1 ist an seinem oberen Ende 6 mittels einer nachstehend noch näher erläuterten Haltevorrichtung an der Decke 11 eines nur schematisch angedeuteten Raumes aufgehängt. Von dem betreffenden Raum sind in der Zeichnung noch eine Seitenwand 14 und ein Boden 19 angedeutet. Die Haltevorrichtung umfaßt im vorliegenden Fall eine Rollen-Seilanordnung mit einem Seil 7, welches um zwei Seilrollen 9 und 12 herumgeführt ist. Das Seil 7 ist mittels einer als Versteifungsanordnung dienenden Federanordnung 8 mit dem oberen Sackende 6 verbunden. Wie ersichtlich, besteht die Federanordnung 8 aus zwei hintereinander angeordneten Federn, die zueinander entgegengesetzte Wickelrichtungen aufweisen und die auf eine Torsionsbeanspruchung hin jeweils wieder in die Ausgangslage zurückkehren. An dieser Stelle sei angemerkt, daß anstelle der Federanordnung 8 auch irgendeine andere Versteifungsanordnung verwendet werden kann, durch die sichergestellt ist, daß der Sack 1 auf. eine Schlageinwirkung auf seine Vorderseite zumindest nur träge aus seiner Ausgangslage herausgelangt.The sack 1 is suspended from its upper end 6 by means of a holding device, which will be explained in more detail below, on the ceiling 11 of a room which is only indicated schematically. A side wall 14 and a floor 19 of the relevant room are also indicated in the drawing. In the present case, the holding device comprises a roller-rope arrangement with a rope 7 which is guided around two rope rollers 9 and 12. The rope 7 is connected to the upper sack end 6 by means of a spring arrangement 8 serving as a stiffening arrangement. As can be seen, the spring arrangement 8 consists of two springs arranged one behind the other, the opposite winding directions have and which each return to a starting position due to torsional stress. At this point it should be noted that instead of the spring arrangement 8, any other stiffening arrangement can be used, which ensures that the sack 1 is open. an impact on its front side at least sluggishly got out of its starting position.

Die vorstehend erwähnte Seilrolle 9 ist mittels eines Rollenbefestigungsteiles 10 an der erwähnten Raumdecke 11 angebracht. Die Seilrolle 12 ist mittels eines Rollenbefestigungsteiles 13 an der Seitenwand 14 angebracht. Das um die Seilrollen 9 und 12 herumgeführte Seil 7, das beispielsweise ein Stahlseil oder ein Kunststoffseil sein kann, ist an seinem Ende mit einem Griff 18 versehen, der an Haltern 15,16,17 in Anlage gebracht werden kann, die in der Seitenwand 14 befestigt sind. Die betreffenden Halter 15, 16,17, die jeweils eine schlitzförmige öffnung zur Einführung des Seiles 7 aufweisen können, sind in unterschiedlichen Höhen angeordnet. Es können z.B. auch mehr Halter als in der Figur dargestellt vorgesehen werden, um eine noch genauere Einstellung des Sackes, z.B. entsprechend einer an der Wand befestigten Meßlatte, zu ermöglichen.The above-mentioned rope pulley 9 is attached to the aforementioned ceiling 11 by means of a roller fastening part 10. The rope pulley 12 is attached to the side wall 14 by means of a roller fastening part 13. The rope 7 guided around the pulleys 9 and 12, which can be, for example, a steel rope or a plastic rope, is provided at its end with a handle 18 which can be brought into contact with holders 15, 16, 17, which are in the side wall 14 are attached. The relevant holders 15, 16, 17, which can each have a slot-shaped opening for the introduction of the rope 7, are arranged at different heights. For example more holders than shown in the figure can also be provided in order to adjust the sack even more precisely, e.g. according to a measuring stick attached to the wall.

Durch den vorstehend im einzelnen erläuterten Vorrichtungsaufbau ist es auf relativ einfache Weise möglich, den Sack 1 in der Höhe bezogen auf den Boden.19 verstellen zu können. Damit ist es möglich, die Markierungen 3,4 und 5 auf der Vorderseite 2 des Sacks 1 in gewünschte Höhen für den jeweils trainierenden Boxsportler zu bringen. Dadurch können dann, wie oben bereits ausgeführt, optimale Trainingsergebnisse für Boxsportler unterschiedlicher Gewichtsklassen und Körpergrößen erzielt werden. Hinzu kommt noch, daß Boxsportler ihre Treffergenauigkeit durch Trainieren an dem beschriebenen übungsgerät wesentlich steigern können.Due to the structure of the device explained in detail above, it is possible in a relatively simple manner to be able to adjust the height of the sack 1 relative to the floor 19. This makes it possible to bring the markings 3, 4 and 5 on the front 2 of the sack 1 to the desired heights for the boxing athlete who is training. In this way, as already stated above, optimal training results for boxing athletes of different weight classes and body sizes can be achieved. In addition, boxing athletes can significantly increase their accuracy by training on the exercise device described.

Abschließend sei noch.angemerkt, daß anstelle der erläuterten Haltevorrichtung durchaus auch andere Haltevorrichtungen verwendet werden können, beispielsweise eine solche, durch die der Sack 1 mit der Raumdecke 11 über eine Schraubverbindung verbunden ist.Finally, it should be noted that instead of the explained Holding device can also be used other holding devices, for example one through which the bag 1 is connected to the ceiling 11 via a screw connection.

Claims (5)

1. Boxsport-Übungsgerät, bestehend aus einem mit Sand oder dergleichen gefüllten Sack, der freihängend angeordnet ist, dadurch gekennzeichnet, daß der Sack (1) eine Querschnittsform mit einer vorzugsweisen weitgehend flach verlaufenden, der Aufnahme zumindest einer Markierung (3,4,5) dienenden Vorderseite (2) aufweist und mittels einer torsionsstabilen Haltevorrichtung (6-18) in der Höhe verstellbar ist.1. boxing exercise device, consisting of a bag filled with sand or the like, which is arranged freely suspended, characterized in that the bag (1) has a cross-sectional shape with a preferably largely flat, receiving at least one marking (3,4,5 ) serving front (2) and the height is adjustable by means of a torsionally stable holding device (6-18). 2. Boxsport-Übungsgerät nach Anspruch 1, dadurch gekennzeichnet, . daß der Sack (1) eine einem Vieleck mit abgerundeten Ecken entsprechende Querschnittsform aufweist.2. boxing exercise device according to claim 1, characterized in. that the sack (1) has a cross-sectional shape corresponding to a polygon with rounded corners. 3. Boxsport-Übungsgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die jeweilige Markierung (3,4,5) aufgedruckt ist.3. boxing exercise device according to claim 1 or 2, characterized in that the respective marking (3,4,5) is printed. 4. Boxsport-Übungsgerät nach einem der Ansprüche'1 bis 3, dadurch gekennzeichnet, daß die Haltevorrichtung (6 bis 18) eine Rollen-Seilanordnung (7,8,9,12) umfaßt.4. boxing exercise device according to one of claims 1 to 3, characterized in that the holding device (6 to 18) comprises a roller-cable arrangement (7,8,9,12). 5. Boxsport-übungsgerät nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Haltevorrichtung (6 bis 18) eine mit dem Sack (1) verbundene Federanordnung (8) enthält.5. boxing exercise device according to one of claims 1 to 4, characterized in that the holding device (6 to 18) contains a with the bag (1) connected spring arrangement (8).
EP82100964A 1981-02-10 1982-02-10 Boxing training device Withdrawn EP0057939A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813104634 DE3104634A1 (en) 1981-02-10 1981-02-10 BOXING EXERCISE EQUIPMENT
DE3104634 1981-02-10

Publications (2)

Publication Number Publication Date
EP0057939A2 true EP0057939A2 (en) 1982-08-18
EP0057939A3 EP0057939A3 (en) 1983-03-16

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ID=6124461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100964A Withdrawn EP0057939A3 (en) 1981-02-10 1982-02-10 Boxing training device

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EP (1) EP0057939A3 (en)
DE (1) DE3104634A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824743A1 (en) * 2001-05-21 2002-11-22 Bruno Xavier Soubis Combat sport training system consists of tube on which punching elements are placed and held in place by two stops
FR3059244A1 (en) * 2016-11-30 2018-06-01 Sarl Sportcomsms IMPACT INSTALLATION FOR TRAINING AND PRACTICE OF COMBAT SPORTS

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109847312A (en) * 2019-01-28 2019-06-07 商洛学院 A kind of wushu training sand hill

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE380372C (en) * 1923-09-06 Franz Roth Boxing match figure
US1637561A (en) * 1925-11-09 1927-08-02 French Harold Gregory Toy striking bag or the like
US1685495A (en) * 1927-05-11 1928-09-25 Harry Latz Service Inc Device for creating accuracy in the art of boxing
US1917208A (en) * 1932-02-01 1933-07-04 Joe H Maddock Football training dummy
US2156831A (en) * 1936-04-04 1939-05-02 Andre Jim Striking bag
US3233902A (en) * 1963-09-30 1966-02-08 John E Albinson Football training aid
US3396969A (en) * 1965-01-25 1968-08-13 Premier Athletic Products Corp Football training dummy

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE568740C (en) * 1930-10-24 1933-05-17 Kurt Schindler Punching ball with elastic suspension
DE1970924U (en) * 1966-10-10 1967-10-19 Hubert K Block BOX WALL CUSHION.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE380372C (en) * 1923-09-06 Franz Roth Boxing match figure
US1637561A (en) * 1925-11-09 1927-08-02 French Harold Gregory Toy striking bag or the like
US1685495A (en) * 1927-05-11 1928-09-25 Harry Latz Service Inc Device for creating accuracy in the art of boxing
US1917208A (en) * 1932-02-01 1933-07-04 Joe H Maddock Football training dummy
US2156831A (en) * 1936-04-04 1939-05-02 Andre Jim Striking bag
US3233902A (en) * 1963-09-30 1966-02-08 John E Albinson Football training aid
US3396969A (en) * 1965-01-25 1968-08-13 Premier Athletic Products Corp Football training dummy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824743A1 (en) * 2001-05-21 2002-11-22 Bruno Xavier Soubis Combat sport training system consists of tube on which punching elements are placed and held in place by two stops
WO2002094390A2 (en) * 2001-05-21 2002-11-28 Bruno Soubis Suspended piece of equipment used for combat sport training
WO2002094390A3 (en) * 2001-05-21 2003-11-06 Bruno Soubis Suspended piece of equipment used for combat sport training
FR3059244A1 (en) * 2016-11-30 2018-06-01 Sarl Sportcomsms IMPACT INSTALLATION FOR TRAINING AND PRACTICE OF COMBAT SPORTS

Also Published As

Publication number Publication date
EP0057939A3 (en) 1983-03-16
DE3104634A1 (en) 1982-08-19

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