EP0086897B1 - Sporting device with a resilient block - Google Patents

Sporting device with a resilient block Download PDF

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Publication number
EP0086897B1
EP0086897B1 EP82111923A EP82111923A EP0086897B1 EP 0086897 B1 EP0086897 B1 EP 0086897B1 EP 82111923 A EP82111923 A EP 82111923A EP 82111923 A EP82111923 A EP 82111923A EP 0086897 B1 EP0086897 B1 EP 0086897B1
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EP
European Patent Office
Prior art keywords
cavity
sports equipment
resilient block
underlayer
equipment according
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Expired
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EP82111923A
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German (de)
French (fr)
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EP0086897A1 (en
Inventor
Richard Reuther
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Cessione reuther Turn - und Sportgerate Entwicklun
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Reuther Richard
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Priority to AT82111923T priority Critical patent/ATE20192T1/en
Publication of EP0086897A1 publication Critical patent/EP0086897A1/en
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Publication of EP0086897B1 publication Critical patent/EP0086897B1/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B6/00Mats or the like for absorbing shocks for jumping, gymnastics or the like
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B5/00Apparatus for jumping
    • A63B5/08Spring-boards
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/22Resiliently-mounted floors, e.g. sprung floors

Definitions

  • the invention relates to a sports device in which a support is supported against a support via a spring block made of an elastically compressible material, which is elastically compressible and can be elastically subjected to thrust and is in a corresponding operative connection with the support and the support via support surfaces.
  • a known (DE-A 2832074) sports device of this type is a so-called gymnastics floor covering, the bottom layer of which is formed by spring blocks distributed over the surface and spaced apart from one another, the base forming the base for the spring blocks.
  • the spring blocks are either elongated like bars or cuboid, but in any case full, i.e. Consistently formed over its entire vertical and horizontal cross-section by the elastic material, which is a plastic foam.
  • the horizontal cross section is always the same from top to bottom, which is associated with a relatively poor spring characteristic in that the spring force does not change to the desired extent with the increase in the compression of the spring block. It has therefore also been considered to give the spring blocks a horizontal cross section which decreases towards the top in order to achieve the desired progressive spring characteristic.
  • this pyramid-like spring block if dimensioned with a view to a certain spring travel and a certain softness, tends to buckle to the side.
  • a sports device is also known (DE-A 1 578671), in which a spring block has a concavity which runs parallel to the base and a wall surrounding it with two side wall parts each bent outwards. Due to its material, this spring block is inherently rigid and cannot be subjected to thrust, has a thin wall in the middle between the two support surfaces and has poor spring characteristics.
  • spring block with continuous cavity only one of the two support surfaces is widened on both sides by a protruding ledge and full side wall parts are only subjected to compression when loaded. Since this spring block essentially only works through compression, it has a poor spring characteristic.
  • the sports device according to the invention is solving this problem, characterized in that the spring block has a concavity parallel to the base and a wall surrounding it with two side wall parts each bent outwards, that the two support surfaces resting on the support or base have on both sides are each widened by a projecting ledge and that the ratio between the outer diameter of the spring block and the inner diameter of the cavity is at least 1.5 in the middle between the two supporting surfaces.
  • This spring block in which the two side wall parts each bend outward when loaded, has a very favorable progressive spring characteristic and absorbs shear forces resiliently without changing the progression of the spring characteristic.
  • the two pairs of ledges further improve the fit of the spring block between support and underlay against shear stresses.
  • the broadening of the support surface achieved by the ledges is also important because the support surface tends to stand out in the middle in front of the underlay or support due to the cavity.
  • the two ledges of the support surface enlarge the edge areas which, despite lifting off, bear tightly against the support or support.
  • the ledges are particularly important when the spring block is attached to the support or underlay by gluing and, if necessary, additional stitching.
  • the cross section of the cavity is usually constant over its length; e.g. octagonal or oval. However, it is particularly expedient and advantageous if the cross-section of the cavity running transversely to the base is circular in the unloaded state. This cross-section is not only particularly favorable in terms of production technology, but also with regard to the buckling behavior of the side wall parts and better compensates for the stability against shear forces in both surface directions.
  • the thickness of the wall is greater at the center of the side wall parts than in the center of the supporting surfaces and that the thickness of the wall decreases from the center of the side wall parts to the ledges.
  • This design fulfills the purposes according to the invention particularly favorably.
  • the restoring force is improved without increasing the height or the spring travel.
  • the ratio of the outer diameter of the spring block: inner diameter of the cavity in the middle between the two support surfaces is at most 2.5, preferably at most 2.0; if the ratio between the outer diameter of the spring block and the inner diameter of the cavity is up to 2, preferably approximately 1.5, between the two ledges of a support surface; and / or if the maximum width of the spring block transverse to the axial direction is greater than its height.
  • the thickness of the spring block in the axial direction of the cavity differs depending on the intended use or type of sports equipment and on the properties otherwise desired. However, it is particularly expedient and advantageous if the thickness of the spring block in the axial direction of the cavity is smaller than the width and / or the height of the spring block transverse to the axial direction of the cavity. This dimensioning is advantageous with regard to the desired spring characteristic, and in particular together with the other preferred embodiments.
  • the spring block according to the invention is provided on a springboard (DE-B 2725401), specifically on one or more of the support areas which are formed by the support board and spring leaf, spring leaf and headboard, and headboard and support board.
  • the spring block is pushed between the two boards or the board and the sheet, either only a long spring block or preferably a row of narrow spring blocks being provided.
  • the material of the spring block is e.g. Foam rubber. However, it is particularly expedient and advantageous if the material of the spring block is a plastic, namely a cellular polyurethane elastomer.
  • This material selected according to the invention has a high restoring force, which is what is the case with sports equipment, e.g. Swinging floors, is important and is only poorly guaranteed if the spring block is configured in the manner described above with regard to other spring properties.
  • the material selected according to the invention is particularly useful in connection with the design according to the invention.
  • the rebound force of the polyurethane material used here is 100% greater than that of foam rubber.
  • the compressibility is approximately 100% greater for foam rubber than for the polyurethane material.
  • 1 and 2 consists of a cellular polyurethane elastomer, which is a slightly foamed product with a density of 200 to 650 kg / m 3 . It results from the reaction of polyhydroxyl components (polyester or polyether) with diisocyanates and subsequent reaction with a "crosslinker".
  • polyhydroxyl components poly(polyester or polyether)
  • diisocyanates diisocyanates
  • crosslinker a polyhydroxyl components
  • Such elastomers are based, for. B. based on polyester polyols and 1,5-naphthylene diisocyanate (NDI). You will e.g. B. described in the special print from ATZ, automotive technical magazine, 80th year, No. 2/1978 Frankhsche publishing house Stuttgart.
  • the spring block In the relaxed state, the spring block has an upper support surface 1 and a lower support surface 2, both of which are flat and rectangular.
  • the spring block is essentially a tubular structure that has two ledges 3 at the top and bottom, which extend over the thickness of the spring block and partially form the support surfaces.
  • a side wall part 4 of the wall extends between an upper ledge 3 and an underlying ledge, which surrounds a cavity 5 which is circular in cross section.
  • Each of the two side wall parts 4 is bent outwards and has a thickness approximately in the center, seen in the radial direction, which is greater than the thickness of the wall in the center of the support surfaces 1, 2.
  • spring blocks 6 are part of a floor gymnastics plate, which has a base 7 below, which is formed by a plywood plate, on the edge of which a hooking plate 8 is riveted.
  • the floor gymnastics plate has a top 9, which is formed by two plywood plates glued to each other, each of which is reinforced by a glued glass fiber fabric.
  • the spring blocks 6 are located under the support 9.
  • FIG. 4 illustrates the distribution and arrangement of the spring blocks 6 provided in a large number per gymnastics plate Spring blocks are arranged at a distance from each other that is far larger than each of their outer dimensions.
  • spring blocks 6 according to FIGS. 1 and 2 are provided on a springboard, in which a headboard forms a support 9 and an S-shaped spring leaf forms a base 7.
  • the diving board also has a support board 10 at the bottom.
  • the spring blocks here are each longer than high or wide and are all in the same direction, the distance between two adjacent spring blocks being smaller than one of the outer dimensions of the individual spring block .
  • the front end of the headboard and spring leaf is held together by a cross-sectionally U-shaped enclosure 11.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Springs (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

1. Sports equipment, in which an overlay (9) is supported against an underlayer (7) by way of a resilient block (6), which consists of a resiliently compressible material and can be resiliently compressed and resiliently acted upon with shear force and which is correspondingly connected in an active manner to the overlay and the underlayer by way of support surfaces (1, 2), characterized in that the resilient block (6) comprises a cavity (5) extending parallel to the underlayer (7) and a wall surrounding the latter with two lateral wall portions (4) bent outwards in each case, the two support surfaces (1, 2) which bear on the overlay (9) or the underlayer (7) being each extended on both sides by a projecting moulding (3), and in the centre between the two support surfaces (1, 2) the ratio of the external diameter of the resilient block (6) to the internal diameter of the cavity (5) amounting to at least 1.5.

Description

Die Erfindung betrifft ein Sportgerät, bei dem eine Auflage gegen eine Unterlage über einen aus einem elastisch zusammendrückbaren Werkstoff bestehenden Federblock abgestützt ist, der elastisch zusammendrückbar und elastisch auf Schub beanspruchbar ist und mit der Auflage und der Unterlage über Stützflächen in entsprechender Wirkverbindung steht.The invention relates to a sports device in which a support is supported against a support via a spring block made of an elastically compressible material, which is elastically compressible and can be elastically subjected to thrust and is in a corresponding operative connection with the support and the support via support surfaces.

Ein bekanntes (DE-A 2832074) Sportgerät dieser Art ist ein sogenannter Turnbodenbelag, dessen unterste Schicht von über die Fläche verteilten, Abstand voneinander aufweisenden Federblöcken gebildet ist, wobei der Untergrund die Unterlage der Federblöcke bildet. Die Federblökke sind entweder balkenartig länglich oder quaderartig, in jedem Fall aber voll, d.h. über ihren gesamten vertikalen und horizontalen Querschnitt durchgehend homogen von dem elastischen Werkstoff gebildet, der ein Kunststoffschaumstoff ist. Der waagerechte Querschnitt ist jeweils von oben nach unten durchgehend der gleiche, was mit einer relativ schlechten Federcharakteristik verbunden ist, indem sich die Federkraft nicht in dem erwünschten Mass mit der Zunahme der Zusammendrückung des Federblockes ändert. Es ist daher auch daran gedacht worden, den Federblöcken einen nach oben hin abnehmenden waagerechten Querschnitt zu geben, um die erwünschte progressive Federcharakteristik zu erreichen. Dieser pyramidenartige Federblock neigt aber, wenn er im Hinblick auf einen bestimmten Federweg und eine bestimmte Weichheit dimensioniert ist, dazu, seitlich auszuknicken.A known (DE-A 2832074) sports device of this type is a so-called gymnastics floor covering, the bottom layer of which is formed by spring blocks distributed over the surface and spaced apart from one another, the base forming the base for the spring blocks. The spring blocks are either elongated like bars or cuboid, but in any case full, i.e. Consistently formed over its entire vertical and horizontal cross-section by the elastic material, which is a plastic foam. The horizontal cross section is always the same from top to bottom, which is associated with a relatively poor spring characteristic in that the spring force does not change to the desired extent with the increase in the compression of the spring block. It has therefore also been considered to give the spring blocks a horizontal cross section which decreases towards the top in order to achieve the desired progressive spring characteristic. However, this pyramid-like spring block, if dimensioned with a view to a certain spring travel and a certain softness, tends to buckle to the side.

Es ist auch ein Sportgerät bekannt (DE-A 1 578671), bei dem ein Federblock eine parallel zur Unterlage durchgehende Höhlung und eine diese rundum umgebende Wandung mit zwei jeweils nach aussen gebogenen Seitenwandungsteilen aufweist. Dieser Federblock ist aufgrund seines Materials in sich steif und nicht auf Schub beanspruchbar, weist mittig zwischen den beiden Stützflächen eine dünne Wandung auf und besitzt eine schlechte Federcharakteristik. Bei einem weiteren bekannten (GB-A 1024554) Federblock mit durchgehender Höhlung ist nur eine der beiden Stützflächen nach beiden Seiten hin durch je einen vorspringenden Sims verbreitert und werden in sich volle Seitenwandungsteile bei Belastung nur auf Kompression beansprucht. Da dieser Federblock im wesentlichen nur durch Kompression wirkt, besitzt er eine schlechte Federcharakteristik.A sports device is also known (DE-A 1 578671), in which a spring block has a concavity which runs parallel to the base and a wall surrounding it with two side wall parts each bent outwards. Due to its material, this spring block is inherently rigid and cannot be subjected to thrust, has a thin wall in the middle between the two support surfaces and has poor spring characteristics. In another known (GB-A 1024554) spring block with continuous cavity, only one of the two support surfaces is widened on both sides by a protruding ledge and full side wall parts are only subjected to compression when loaded. Since this spring block essentially only works through compression, it has a poor spring characteristic.

Eine Aufgabe der Erfindung ist es daher, ein Sportgerät der eingangs genannten Art zu schaffen, bei dem der Federblock eine günstige progressive Federcharakteristik sowie verbesserte Stabilität gegen Schubkräfte in Flächenrichtung bzw. Knickfestigkeit aufweist und Federung sowie Weichheit nicht verschlechtert sind. Das erfindungsgemässe Sportgerät ist, diese Aufgabe lösend, dadurch gekennzeichnet, dass der Federblock eine parallel zur Unterlage durchgehende Höhlung und eine diese rundum umgebende Wandung mit zwei jeweils nach aussen gebogenen Seitenwandungsteilen aufweist, dass die beiden an der Auflage oder der Unterlage anliegenden Stützflächen nach beiden Seiten hin durch je einen vorspringenden Sims verbreitert sind und dass mittig zwischen den beiden Stützflächen das Verhältnis Aussendurchmesser des Federblockes : Innendurchmesser der Höhlung mindestens 1,5 beträgt.It is therefore an object of the invention to provide a sports device of the type mentioned in the introduction, in which the spring block has a favorable progressive spring characteristic and improved stability against shear forces in the direction of the surface or kink resistance, and the suspension and softness are not impaired. The sports device according to the invention is solving this problem, characterized in that the spring block has a concavity parallel to the base and a wall surrounding it with two side wall parts each bent outwards, that the two support surfaces resting on the support or base have on both sides are each widened by a projecting ledge and that the ratio between the outer diameter of the spring block and the inner diameter of the cavity is at least 1.5 in the middle between the two supporting surfaces.

Dieser Federblock, bei dem bei Belastung die beiden Seitenwandungsteile jeweils nach aussen knicken, weist eine sehr günstig verlaufende progressive Federcharakteristik auf und nimmt Schubkräfte federnd auf, ohne die Progression der Federcharakteristik zu ändern. Durch die Verbreiterung der einen Stützfläche mittels der beiden Simse ist die Schubfestigkeit gesichert und die Wirkverbindung mit der Unterlage bzw. Auflage in der erforderlichen Weise verbessert, indem der Aussenquerschnitt und damit die Stützfläche bzw. Auflagefläche verbreitert ist. Weichheit und Federung sind durch die erfindungsgemässe Formgestaltung nicht beeinträchtigt.This spring block, in which the two side wall parts each bend outward when loaded, has a very favorable progressive spring characteristic and absorbs shear forces resiliently without changing the progression of the spring characteristic. By widening the one support surface by means of the two ledges, the shear strength is ensured and the operative connection with the base or support is improved in the required manner by broadening the outer cross section and thus the support surface or support surface. Softness and suspension are not affected by the design of the invention.

Durch die beiden Paare von Simsen ist der Sitz des Federblockes zwischen Auflage und Unterlage gegen Schubbeanspruchungen weiter verbessert. Die durch die Simse erreichte Verbreiterung der Auflagefläche ist auch von Bedeutung, weil die Auflagefläche bei Belastung wegen der Höhlung dazu neigt, sich vor der Unterlage bzw. Auflage mittig abzuheben. Die beiden Simse der Auflagefläche vergrössern die Randbereiche, die trotz des Abhebens bei Belastung fest an der Unterlage bzw. Auflage anliegen. Somit sind die Simse besonders auch dann wichtig, wenn der Federblock an der Auflage bzw. Unterlage durch Kleben und ggf. zusätzliches Heften befestigt ist.The two pairs of ledges further improve the fit of the spring block between support and underlay against shear stresses. The broadening of the support surface achieved by the ledges is also important because the support surface tends to stand out in the middle in front of the underlay or support due to the cavity. The two ledges of the support surface enlarge the edge areas which, despite lifting off, bear tightly against the support or support. Thus, the ledges are particularly important when the spring block is attached to the support or underlay by gluing and, if necessary, additional stitching.

Der Querschnitt der Höhlung ist über deren Länge in der Regel konstant; er ist z.B. achteckig oder oval. Besonders zweckmässig und vorteilhaft ist es jedoch, wenn der quer zur Unterlage verlaufende Querschnitt der Höhlung im unbelasteten Zustand kreisrund ist. Dieser Querschnitt ist nämlich nicht nur herstellungstechnisch besonders günstig, sondern auch hinsichtlich des Knickverhaltens der Seitenwandungsteile und gleicht die Stabilität gegen Schubkräfte in beiden Flächenrichtungen verbessert aus.The cross section of the cavity is usually constant over its length; e.g. octagonal or oval. However, it is particularly expedient and advantageous if the cross-section of the cavity running transversely to the base is circular in the unloaded state. This cross-section is not only particularly favorable in terms of production technology, but also with regard to the buckling behavior of the side wall parts and better compensates for the stability against shear forces in both surface directions.

Besonders zweckmässig und vorteilhaft ist es weiterhin, wenn die Dicke der Wandung in Höhe der Mitte der Seitenwandungsteile grösser ist als in der Mitte der Stützflächen und dass die Dicke der Wandung von der Mitte der Seitenwandungsteile zu den Simsen hin abnimmt. Diese Gestaltung erfüllt die erfindungsgemässen Zwecke besonders günstig. Ohne Vergrösserung der Höhe bzw. des Federweges ist die Rückstellkraft verbessert.It is also particularly expedient and advantageous if the thickness of the wall is greater at the center of the side wall parts than in the center of the supporting surfaces and that the thickness of the wall decreases from the center of the side wall parts to the ledges. This design fulfills the purposes according to the invention particularly favorably. The restoring force is improved without increasing the height or the spring travel.

Besonders zweckmässig und vorteilhaft ist es sodann, wenn die Simse nach ihrer Seite hin ebenso weit vorspringen wie die nach aussen gebogenen Seitenwandungsteile. Diese Gestaltung befriedigt die erfindungsgemässen Zwecke vollständig und ist herstellungsmässig günstig.It is then particularly expedient and advantageous if the ledges project on their side as far as the outwardly curved side wall parts. This design completely satisfies the purposes of the invention and is inexpensive to manufacture.

Besonders zweckmässig und vorteilhaft ist es, wenn mittig zwischen den beiden Stützflächen das Verhältnis Aussendurchmesser des Federblockes : Innendurchmesser der Höhlung maximal 2,5, vorzugsweise maximal 2,0 beträgt; wenn mittig zwischen den beiden Simsen einer Stützfläche das Verhältnis Aussendurchmesser des Federblockes:lnnendurchmesser der Höhlung bis zu 2, vorzugsweise ca. 1,5 beträgt; und/oder wenn die maximale Breite des Federblockes quer zur Achsrichtung grösser ist als seine Höhe. Diese Abmessungsverhältnisse haben sich als in der Praxis besonders brauchbar herausgestellt.It is particularly expedient and advantageous if the ratio of the outer diameter of the spring block: inner diameter of the cavity in the middle between the two support surfaces is at most 2.5, preferably at most 2.0; if the ratio between the outer diameter of the spring block and the inner diameter of the cavity is up to 2, preferably approximately 1.5, between the two ledges of a support surface; and / or if the maximum width of the spring block transverse to the axial direction is greater than its height. These dimensional relationships have proven to be particularly useful in practice.

Die Dicke des Federblockes in Achsrichtung der Höhlung ist je nach Verwendungszweck bzw. Art des Sportgerätes und nach den sonst erwünschten Eigenschaften verschieden. Besonders zweckmässig und vorteilhaft ist es jedoch, wenn die Dicke des Federblockes in Achsrichtung der Höhlung kleiner ist als die Breite und/ oder die Höhe des Federblockes quer zur Achsrichtung der Höhlung. Diese Dimensionierung ist im Hinblick auf die erwünschte Federcharakteristik und zwar vornehmlich gemeinsam mit den übrigen bevorzugten Ausführungsformen vorteilhaft.The thickness of the spring block in the axial direction of the cavity differs depending on the intended use or type of sports equipment and on the properties otherwise desired. However, it is particularly expedient and advantageous if the thickness of the spring block in the axial direction of the cavity is smaller than the width and / or the height of the spring block transverse to the axial direction of the cavity. This dimensioning is advantageous with regard to the desired spring characteristic, and in particular together with the other preferred embodiments.

Dann wenn zwischen der Auflage und der Unterlage eine Vielzahl von Federblöcken verteilt ist, ist es besonders zweckmässig und vorteilhaft, wenn ein Teil der Federblöcke gegenüber dem anderen mit der Mittelachse der Höhlung um 90° verdreht angeordnet ist. Hierdurch wird das Verhalten der Auflage gegen Schubbeanspruchungen und Schwingungen in Richtung der Auflagefläche verbessert. Diese Anordnung ist in der Regel vorgesehen, wenn die Federblöcke bei einem sogenannten Schwingboden oder als obere Federschicht bei einem Schwebebalken oder einem Pferd vorgesehen sind. Schwebebalken oder Pferde mit oberer Federschicht sind an sich bekannt (DE-B 2 317 271If a large number of spring blocks is distributed between the support and the support, it is particularly expedient and advantageous if one part of the spring blocks is rotated by 90 ° with respect to the other with the central axis of the cavity. This improves the behavior of the support against shear stresses and vibrations in the direction of the support surface. This arrangement is generally provided if the spring blocks are provided in a so-called vibrating floor or as an upper spring layer in a balance beam or a horse. Balance beams or horses with an upper spring layer are known per se (DE-B 2 317 271

Bei einer anderen Verwendungsweise ist der erfindungsgemässe Federblock bei einem Sprungbrett (DE-B 2725401) vorgesehen, und zwar an einem oder mehreren der Stützbereiche, die von Auflagebrett und Federblatt, Federblatt und Kopfbrett sowie Kopfbrett und Auflagebrett gebildet sind. Bei dem Stützbereich ist der Federblock zwischen die beiden Bretter bzw. das Brett und das Blatt geschoben, wobei entweder nur ein langer Federblock oder vorzugsweise eine Reihe von schmalen Federblöcken vorgesehen ist.In another application, the spring block according to the invention is provided on a springboard (DE-B 2725401), specifically on one or more of the support areas which are formed by the support board and spring leaf, spring leaf and headboard, and headboard and support board. In the support area, the spring block is pushed between the two boards or the board and the sheet, either only a long spring block or preferably a row of narrow spring blocks being provided.

Der Werkstoff des Federblockes ist z.B. Moosgummi. Besonders zweckmässig und vorteilhaft ist es jedoch, wenn der Werkstoff des Federblokkes ein Kunststoff und zwar ein zelliges Polyurethan-Elastomer ist. Dieser erfindungsgemäss gewählte Werkstoff hat eine hohe Rückstellkraft, was bei Sportgeräten, z.B. Schwingböden, wichtig ist und die dann nur schlecht gewährleistet ist, wenn der Federblock im Hinblick auf andere Federeigenschaften in der vorher geschilderten Weise ausgestaltet ist. So ist der erfindungsgemäss gewählte Werkstoff gerade in Verbindung mit der erfindungsgemässen Gestaltung von Nutzen. Die Rückprallkraft des hier verwendeten Polyurethan-Werkstoffes ist 100% grösser als die von Moosgummi.The material of the spring block is e.g. Foam rubber. However, it is particularly expedient and advantageous if the material of the spring block is a plastic, namely a cellular polyurethane elastomer. This material selected according to the invention has a high restoring force, which is what is the case with sports equipment, e.g. Swinging floors, is important and is only poorly guaranteed if the spring block is configured in the manner described above with regard to other spring properties. The material selected according to the invention is particularly useful in connection with the design according to the invention. The rebound force of the polyurethane material used here is 100% greater than that of foam rubber.

Die Zusammendrückbarkeit ist dagegen bei gleicher Belastung bei Moosgummi ca. 100% grösser als bei dem Polyurethan-Werkstoff.The compressibility, on the other hand, is approximately 100% greater for foam rubber than for the polyurethane material.

In der Zeichnung sind bevorzugte Ausführungsformen der Erfindung dargestellt und zeigt

  • Fig. 1 eine Stirnseitenansicht eines Federblokkes für ein Sportgerät,
  • Fig. 2 eine Draufsicht auf den Federblock gemäss Fig. 1,
  • Fig. 3 einen Schnitt eines Teiles einer Bodenturnplatte mit Federblöcken gemäss Fig. 1 und 2,
  • Fig. 4 eine Draufsicht auf die Bodenturnplatte gemäss Fig. 3,
  • Fig. 5 eine Seitenansicht des vorderen Teiles eines Sprungbrettes mit Federblöcken gemäss Fig. 1 und 2 und
  • Fig. 6 eine Draufsicht auf die Darstellung gemäss Fig. 5, mit Aufbrüchen.
Preferred embodiments of the invention are shown and shown in the drawing
  • 1 is an end view of a spring block for a sports device,
  • 2 is a plan view of the spring block according to FIG. 1,
  • 3 shows a section of part of a floor gymnastics plate with spring blocks according to FIGS. 1 and 2,
  • 4 shows a top view of the floor gymnastics plate according to FIG. 3,
  • Fig. 5 is a side view of the front part of a springboard with spring blocks according to FIGS. 1 and 2 and
  • Fig. 6 is a plan view of the illustration of FIG. 5, with breaks.

Der Federblock 6 gemäss Fig. 1 und 2 besteht aus einem zelligen Polyurethan-Elastomer, das ein leicht aufgeschäumtes Produkt mit einer Dichte von 200 bis 650 kg/m3 ist. Es entsteht durch Reaktion von Polyhydroxylkomponenten (Polyester oder Polyäther) mit Diisocyanaten und anschliessender Umsetzung mit einem «Vernetzer». Solche Elastomere beruhen z. B. auf der Basis Polyester-Polyole und 1,5-Naphtylendiisocyanat (NDI). Sie werden z. B. beschrieben im Sonderdruck aus ATZ, Automobil-technische Zeitschrift, 80igster Jahrgang, Nr. 2/1978 Frankhsche Verlagshandlung Stuttgart.1 and 2 consists of a cellular polyurethane elastomer, which is a slightly foamed product with a density of 200 to 650 kg / m 3 . It results from the reaction of polyhydroxyl components (polyester or polyether) with diisocyanates and subsequent reaction with a "crosslinker". Such elastomers are based, for. B. based on polyester polyols and 1,5-naphthylene diisocyanate (NDI). You will e.g. B. described in the special print from ATZ, automotive technical magazine, 80th year, No. 2/1978 Frankhsche publishing house Stuttgart.

Der Federblock besitzt im entspannten Zustand eine obere Stützfläche 1 und eine untere Stützfläche 2, die beide plan und rechteckig sind. Der Federblock ist im wesentlichen ein rohrartiges Gebilde, das oben und unten je zwei Simse 3 aufweist, die sich über die Dicke des Federblockes erstrecken und die Stützflächen teilweise bilden. Zwischen je einem oberen Sims 3 und einem darunterliegenden Sims erstreckt sich je ein Seitenwandungsteil 4 der Wandung, welche eine im Querschnitt kreisrunde Höhlung 5 umschliesst. Jedes der beiden Seitenwandungsteile 4 ist nach aussen gebogen und besitzt etwa in der Mitte, in radialer Richtung gesehen, eine Dicke, die grösser ist als die Dicke der Wandung in der Mitte der Stützflächen 1, 2.In the relaxed state, the spring block has an upper support surface 1 and a lower support surface 2, both of which are flat and rectangular. The spring block is essentially a tubular structure that has two ledges 3 at the top and bottom, which extend over the thickness of the spring block and partially form the support surfaces. A side wall part 4 of the wall extends between an upper ledge 3 and an underlying ledge, which surrounds a cavity 5 which is circular in cross section. Each of the two side wall parts 4 is bent outwards and has a thickness approximately in the center, seen in the radial direction, which is greater than the thickness of the wall in the center of the support surfaces 1, 2.

Gemäss Fig. 3 und 4 sind Federblöcke 6 Bestandteil einer Bodenturnplatte, die unten eine Unterlage7 besitzt, die von einer Sperrholzplatte gebildet ist, an deren Rand ein Verhakungsblech 8 angenietet ist. Die Bodenturnplatte besitzt oben eine Auflage 9, die von zwei aufeinander geklebten Sperrholzplatten gebildet ist, von denen jede durch ein angeklebtes Glasfasergewebe verstärkt ist. Die Federblöcke 6 befinden sich unter der Auflage 9. Fig. 4 verdeutlicht die Verteilung und Anordnung der in einer Vielzahl pro Bodenturnplatte vorgesehenen Federblöcke 6. Die Federblöcke sind hier mit einem Abstand voneinander angeordnet, der weit grösser ist als jede ihrer Aussenabmessungen.3 and 4, spring blocks 6 are part of a floor gymnastics plate, which has a base 7 below, which is formed by a plywood plate, on the edge of which a hooking plate 8 is riveted. The floor gymnastics plate has a top 9, which is formed by two plywood plates glued to each other, each of which is reinforced by a glued glass fiber fabric. The spring blocks 6 are located under the support 9. FIG. 4 illustrates the distribution and arrangement of the spring blocks 6 provided in a large number per gymnastics plate Spring blocks are arranged at a distance from each other that is far larger than each of their outer dimensions.

Gemäss Fig. 5 und 6 sind Federblöcke 6 gemäss Fig. 1 und 2 an einem Sprungbrett vorgesehen, bei dem ein Kopfbrett eine Auflage 9 bildet und ein S-förmiges Federblatt eine Unterlage 7 bildet. Das Sprungbrett weist unten auch ein Auflagebrett 10 auf. Beim vorderen Endrand von Kopfbrett und Federblatt befindet sich eine Reihe von liegenden Federblöcken 6. Die Federblöcke sind hier jeweils länger als hoch oder breit und liegen alle in gleicher Richtung, wobei der Abstand zwischen zwei benachbarten Federblöcken jeweils kleiner ist als eine der Aussenabmessungen des einzelnen Federblockes. Das vordere Ende von Kopfbrett und Federblatt ist durch eine im Querschnitt U-förmige Umfassung 11 zusammengehalten.5 and 6, spring blocks 6 according to FIGS. 1 and 2 are provided on a springboard, in which a headboard forms a support 9 and an S-shaped spring leaf forms a base 7. The diving board also has a support board 10 at the bottom. At the front end edge of the headboard and spring leaf there is a row of lying spring blocks 6. The spring blocks here are each longer than high or wide and are all in the same direction, the distance between two adjacent spring blocks being smaller than one of the outer dimensions of the individual spring block . The front end of the headboard and spring leaf is held together by a cross-sectionally U-shaped enclosure 11.

Claims (10)

1. Sports equipment, in which an overlay (9) is supported against an underlayer (7) by way of a resilient block (6), which consists of a resiliently compressible material and can be resiliently compressed and resiliently acted upon with shear force and which is correspondingly connected in an active manner to the overlay and the underlayer by way of support surfaces (1, 2), characterized in that the resilient block (6) comprises a cavity (5) extending parallel to the underlayer (7) and a wall surrounding the latter with two lateral wall portions (4) bent outwards in each case, the two support surfaces (1, 2) which bear on the overlay (9) or the underlayer (7) being each extended on both sides by a projecting moulding (3), and in the centre between the two support surfaces (1, 2) the ratio of the external diameter of the resilient block (6) to the internal diameter of the cavity (5) amounting to at least 1.5.
2. Sports equipment according to Claim 1, characterized in that the cross-section - extending transversely to the underlayer (7) - of the cavity (5) is circular in the non-loaded state.
3. Sports equipment according to Claim 1 or 2, characterized in that the thickness of the wall is greater at the level of the centre of the lateral wall portions (4) than in the centre of the support surfaces (1, 2), and the thickness of the wall decreases from the centre of the lateral wall portions to the mouldings (3).
4. Sports equipment according to Claim 1, 2 or 3, characterized in that the mouldings (3) project as widely as the outwardly bent lateral wall portions (4).
5. Sports equipment according to any of the preceding Claims, characterized in that in the centre between the two support surfaces (1, 2) the ratio of the external diameter of the resilient block to the internal diameter of the cavity (5) amounts to a maximum of 2.5, preferably a maximum of 2.0.
6. Sports equipment according to any of the preceding Claims, characterized in that in the centre between the two mouldings (3) of one support surface (1, 2) the ratio of the external diameter of the resilient block to the internal diameter of the cavity (5) amounts to up to 2, preferably approximately 1.5.
7. Sports equipment according to any of the preceding Claims, characterized in that the maximum width of the resilient block (6) transversely to the axial direction of the cavity (5) is greater than its height.
8. Sports equipment according to any of the preceding Claims, characterized in that the thickness of the resilient block (6) in the axial direction of the cavity (5) is less than the width and/or the height of the resilient block transversely to the axial direction of the cavity.
9. Sports equipment according to any of the preceding Claims, characterized in that a plurality of resilient blocks is distributed between the overlay and the underlayer, and some of the resilient blocks (6) are arranged offset by 90° with respect to the others with respect to the median axis of the cavity (5).
10. Sports equipment according to any of the preceding Claims, characterized in that the material of the resilient block is a plastic material, namely a cellular polyurethane elastomer.
EP82111923A 1982-01-30 1982-12-22 Sporting device with a resilient block Expired EP0086897B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82111923T ATE20192T1 (en) 1982-01-30 1982-12-22 SPORTS EQUIPMENT WITH SPRING BLOCK.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3203171A DE3203171C2 (en) 1982-01-30 1982-01-30 Sports equipment with spring block
DE3203171 1982-01-30

Publications (2)

Publication Number Publication Date
EP0086897A1 EP0086897A1 (en) 1983-08-31
EP0086897B1 true EP0086897B1 (en) 1986-06-04

Family

ID=6154407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111923A Expired EP0086897B1 (en) 1982-01-30 1982-12-22 Sporting device with a resilient block

Country Status (4)

Country Link
EP (1) EP0086897B1 (en)
JP (1) JPS58175577A (en)
AT (1) ATE20192T1 (en)
DE (1) DE3203171C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628136B1 (en) * 1988-03-01 1995-04-14 Decasport FLOOR PLATFORM WITH VARIABLE THICKNESS AND FLEXIBILITY USEFUL FOR DIFFERENT SPORTS
DE4013291C2 (en) * 1990-04-26 1995-03-16 Spieth Holztechnik Gmbh Springboard
DE19641812B4 (en) * 1996-10-10 2004-11-11 Sw Stanzwerk Glarus Ag Sound-absorbing support and method for producing an oscillating floor with such supports
FR2781831B1 (en) * 1998-07-31 2000-10-06 Wattelez Gabriel Usines Sa SOUND INSULATION LAYER FOR FLOOR COVERING
SE532228C2 (en) * 2007-08-24 2009-11-17 Hgb Backstrand Ab Device for floors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1024554A (en) * 1962-02-05 1966-03-30 Angus George Co Ltd Improvements in and relating to compression spring elements of elastomeric material
DE1578671A1 (en) * 1966-05-12 1971-01-14 Turnmeyer Werke Gmbh Stepping stone
DE1912146A1 (en) * 1968-03-13 1969-10-02 Gordon Donald Wallace Upholstery unit
DE7102685U (en) * 1971-01-26 1971-06-24 Continental Gummi Werke Ag SUPPORTING BODY FOR SWINGING FOOTBOARDS
JPS4830107A (en) * 1971-08-19 1973-04-20
DE2234640A1 (en) * 1972-07-14 1974-01-24 Richard Reuther ELASTIC SPRINGBOARD
US3863909A (en) * 1973-07-09 1975-02-04 Wright Barry Corp Multi-tubular springs
JPS5438298Y2 (en) * 1976-09-27 1979-11-14
DE2832074C2 (en) * 1978-07-21 1983-09-01 Mittelfränkische Turngeräte- und Fahrzeugfabrik Georg Stöhr, 8540 Schwabach Floor coverings, in particular for sports rooms
US4274626A (en) * 1979-04-30 1981-06-23 Amf Incorporated Exercise floor

Also Published As

Publication number Publication date
JPS58175577A (en) 1983-10-14
ATE20192T1 (en) 1986-06-15
DE3203171A1 (en) 1983-08-18
DE3203171C2 (en) 1985-08-01
EP0086897A1 (en) 1983-08-31

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