JPH0777588B2 - Gymnastics crossing plate - Google Patents
Gymnastics crossing plateInfo
- Publication number
- JPH0777588B2 JPH0777588B2 JP3077588A JP7758891A JPH0777588B2 JP H0777588 B2 JPH0777588 B2 JP H0777588B2 JP 3077588 A JP3077588 A JP 3077588A JP 7758891 A JP7758891 A JP 7758891A JP H0777588 B2 JPH0777588 B2 JP H0777588B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- spring
- gymnastics
- laying
- floorboard
- 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.)
- Expired - Fee Related
Links
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- 230000009191 jumping Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B5/00—Apparatus for jumping
- A63B5/08—Spring-boards
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Springs (AREA)
- Floor Finish (AREA)
- Vibration Dampers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、体操競技における跳
び箱、跳馬、段違い平行棒及び平均台等において、選手
が助走した後跳躍をするための体操用踏切板に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gymnastics crossing plate for jumping after a player has run in a jump box, jumping horse, stepped parallel bars, balance beam, etc. in a gymnastics competition.
【０００２】[0002]
【従来の技術】体操用踏切板は、選手が助走したのち跳
躍するために踏み切る弾性を備えた器具である。従来の
この種の踏切板は、例えば特公平２−５５０５６号公報
に開示されているように、長手方向の略中央部に向かっ
て上向きに湾曲した敷き板と、該敷き板と一端において
鋭角を存して接合され、他端が前記敷き板の他端と対向
して配される頭板と、及び、前記敷き板と頭板間に介在
し、前記敷き板の長手方向中央部に一端が接合され他端
が前記頭板の前記他端に弾性部材を介して接合され、前
記頭板の前記他端を前記弾性部材を介して常時前記敷き
板の前記他端に対して離間する方向へ付勢するばね板と
より成り、前記ばね板の前記他端と前記頭板の前記他端
間の接合部に配設される前記弾性部材が複数のシリンダ
状弾性体にて成り、該弾性体が相互に横方向に離間して
前記頭板の前記他端に沿って列設されている。2. Description of the Related Art A gymnastics crossing plate is a device having elasticity to take a step for a player to jump after making a run. A conventional crossing plate of this type has, as disclosed in, for example, Japanese Patent Publication No. 2-55056, a base plate curved upward toward a substantially central portion in the longitudinal direction, and an acute angle at one end of the base plate. And the head plate, the other end of which is arranged to face the other end of the floor plate, and which is interposed between the floor plate and the head plate, and one end of which is located at the central portion in the longitudinal direction of the floor plate. The other end is joined to the other end of the headboard via an elastic member, and the other end of the headboard is always separated from the other end of the floorboard via the elastic member. The elastic member is composed of a plurality of cylindrical elastic bodies, and the elastic member is disposed at a joint between the other end of the spring plate and the other end of the head plate. Are laterally spaced from each other and are arranged in a row along the other end of the headboard.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の踏切板によれば、頭板とばね板の前部端には、円筒
状の弾性体からなる複数個の緩衝部材が空洞部を縦にし
た状態、すなわち、空洞部が前部端と平行になる配置で
介在し接合しているので、頭板とばね板間の衝撃を緩和
する効果はあるものの、高い荷重に耐えるばね特性を有
するものではなく、ばね板の反発力が小さ過ぎて頭板が
割れてしまう事態も起こり得る。そうなると、選手が強
い衝撃を受けて怪我をしたり、あるいは競技結果が惨憺
たるものになる。However, according to the above-mentioned conventional railroad crossing plate , a cylindrical member is provided at the front end of the head plate and the spring plate.
A plurality of cushioning members made of elastic material make the cavity vertical.
In a closed position, that is, the cavity is parallel to the front edge.
Since it is interposed and joined, it has the effect of mitigating the impact between the head plate and the spring plate, but it does not have the spring characteristics to withstand a high load, and the repulsive force of the spring plate is too small and the head plate cracks. It can happen. If this happens, the players will be severely injured and the results will be disastrous.
【０００４】そこでこの発明は上記事情に鑑み、ばねの
撓みを長くすることなく、ばねの特性を最適化すること
により高い荷重に耐えられるようにすることを目的とす
る。Therefore, in view of the above circumstances, an object of the present invention is to make it possible to withstand a high load by optimizing the characteristics of the spring without lengthening the flexure of the spring.
【０００５】[0005]
【課題を解決するための手段】この発明にかかる体操用
踏切板は、長手方向の略中央部に向かって上向きに湾曲
した敷き板と、該敷き板の後部端と一端が鋭角を有して
接合され、他端が敷き板の前部端と対向して配される頭
板と、及び、一端が敷き板の長手方向の略中央部に接合
され、他端が頭板の前部端の下部に配されて敷き板と頭
板間に介在するばね板と、頭板とばね板の前部端を連結
して離間する敷板の前部端に空洞部が前部端と平行にな
る横配置で固定された弾性体からなる緩衝部材とを有す
ることを特徴とする。なお、頭板とばね板の前部端間に
空洞部が前部端と平行になる横配置で緩衝部材を挟持す
るとともに、ばね板と離間する敷板の前部端に空洞部が
前部端と平行になる横配置で緩衝部材を固定してもよ
い。 A level crossing plate for gymnastics according to the present invention has a floor plate curved upward toward a substantially central portion in a longitudinal direction, and a rear end and one end of the floor plate have an acute angle. A headboard that is joined and the other end is arranged to face the front end of the floorboard, and one end is joined to the approximately central portion in the longitudinal direction of the floorboard, and the other end is the front end of the headboard. The spring plate, which is arranged at the bottom and is interposed between the floor plate and the head plate, connects the head plate and the front end of the spring plate.
The cavity is parallel to the front end of the floorboard
A cushioning member made of an elastic body that is fixed in a horizontal arrangement.
Characterized in that that. In addition, between the front end of the head plate and the spring plate
Clamp the cushioning member in a horizontal arrangement in which the cavity is parallel to the front end.
At the same time, there is a cavity at the front end of the floor plate that is separated from the spring plate
You may fix the cushioning member in a horizontal arrangement that is parallel to the front edge.
Yes.
【０００６】[0006]
【作用】選手が体操用踏切板の後方から踏切面に飛び移
ると、そこに加えられる力により、頭板はばね板の反発
力を受けながら敷き板の方向へ反る。このとき、緩衝部
材は、ばね板の端部で、若しくは頭板がその前方の隅の
部分で敷き板にダイレクトに衝突するのを阻止する。緩
衝部材はばね板の端部が緩衝部材の上に乗り、ばねの撓
みが一定の長さに達したときに初めて働き、ばねの撓み
が長くなればなる程大きな反発力を生み出す為、衝撃を
静かに吸収する。[Operation] When a player jumps from the rear of the gymnastics crossing plate to the crossing surface, the headboard warps in the direction of the floorboard while receiving the repulsive force of the spring plate due to the force applied thereto. At this time, the cushioning member prevents the head plate from directly colliding with the floor plate at the end of the spring plate or at the front corner portion thereof. The shock-absorbing member works only when the end of the spring plate rides on the shock-absorbing member, and when the flexure of the spring reaches a certain length, the longer the flexure of the spring is, the larger the repulsive force is generated. Absorb quietly.
【０００７】[0007]
【実施例】以下、この発明の実施例を示す図に基づいて
説明する。図１はこの発明の第１実施例を示す斜視図で
あって、この例における体操用踏切板１は、上方へ弓な
りに反った所定長さ及び幅の頭板２と敷き板５とを、そ
れらの長手方向の一端部側に接合部８を介して堅固に連
結固定し、それら両者の間の空間部９は前方部４が後方
部３よりも高さが高くて、側面から見れば頭板２と敷き
板５とは鋭角的な配置構成である。ここで、頭板２はシ
ート状体であるが、敷き板５は横幅方向７に対して一定
の距離で離間する一対の細長板部６，６からなるが、一
対の細長板部６，６を一体形成した凹字形板でもよく、
また両者共に木材からなるが、合板若しくはグラスファ
イバーかカーボンファイバー等の合成樹脂でもよい。接
合部８は頭板２と敷き板５とをあまり堅固に固定せず、
緩係合させるのがよい。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of the present invention, in which a gymnastics crossing plate 1 includes a head plate 2 and a spread plate 5 each having a predetermined length and width which are curved upward in an arched shape, They are firmly connected and fixed to one end side in the longitudinal direction through a joint part 8, and a space 9 between them is such that the front part 4 has a higher height than the rear part 3, and when viewed from the side, the head. The board 2 and the floor board 5 are arranged at an acute angle. Here, although the head plate 2 is a sheet-like body, the floor plate 5 is composed of a pair of elongated plate portions 6 and 6 that are separated from each other in the lateral width direction 7 by a constant distance. It may be a concave plate integrally formed with,
Both of them are made of wood, but may be made of plywood or synthetic resin such as glass fiber or carbon fiber. The joint portion 8 does not firmly fix the head plate 2 and the floor plate 5,
It is good to engage loosely.
【０００８】そして、空間部９において、敷き板５の略
中央部上面に接合部１５を介してばね板１０の一端部が
連結され、他端部は頭板２の自由端部に接着又はねじ止
め若しくは他の適宜の方法で連結されている。ばね板１
０は二つの弧から成る弓形を連結した略Ｓ字形に曲げ形
成されており、好ましくはグラスファイバーかカーボン
ファイバー等の合成樹脂からなるが木製でもよい。この
種の合成樹脂は材質疲労が木材よりも少ないので、耐久
性がある。しかしながら、木製に比べ合成樹脂製のばね
板１０はかさばり、剛性が高くなるから、敷き板５の細
長板部６，６に対応する二つの細長板部１４，１４に分
割するのがよい。In the space 9, one end of the spring plate 10 is connected to the upper surface of the floor plate 5 at the substantially central portion through a joint 15, and the other end is bonded or screwed to the free end of the head plate 2. It is connected by a stop or other appropriate method. Spring plate 1
The reference numeral 0 is formed by bending an arcuate shape composed of two arcs into a substantially S shape, and is preferably made of synthetic resin such as glass fiber or carbon fiber, but may be made of wood. This type of synthetic resin has less material fatigue than wood, and is therefore durable. However, since the spring plate 10 made of synthetic resin is bulky and has higher rigidity than that of wood, it is preferable to divide the spring plate 10 into two elongated plate portions 14 and 14 corresponding to the elongated plate portions 6 and 6 of the floor plate 5.
【０００９】ばね板１０の端部１７の下方において、敷
き板５の端部に弾性体からなる緩衝部材１８が接着剤の
使用若しくは他の適宜の方法で固定される。緩衝部材１
８は細長板部６，６の端部に横幅方向７に対して平行に
固定された弾性ゴムと同じ性質を有する合成樹脂材料、
例えば発泡性のポリウレタン等からなるブロック１９で
あり、その長手方向に断面円形の空洞部２６が穿設さ
れ、かつ、上面が円く形成されている。空洞部２６には
弾性体からなる心棒２７（図３参照）を挿入することが
できる。なお、緩衝部材１８は頭板２又はばね板１０の
先端部下面に固定して細長板部６，６へ垂下させてもよ
い。したがって、緩衝部材１８とばね板１０若しくは細
長板部６との間には隙間２２が形成される。ブロック１
９は上方に積み重ねる形式のものであってもよい。Below the end portion 17 of the spring plate 10, a cushioning member 18 made of an elastic material is fixed to the end portion of the floor plate 5 by using an adhesive or another appropriate method. Buffer member 1
8 is a synthetic resin material having the same properties as elastic rubber fixed to the ends of the elongated plate portions 6 and 6 in parallel with the lateral width direction 7,
For example, the block 19 is made of foaming polyurethane or the like, and a hollow portion 26 having a circular cross section is bored in the longitudinal direction of the block 19, and the upper surface thereof is formed to be circular. A mandrel 27 (see FIG. 3) made of an elastic body can be inserted into the hollow portion 26. The cushioning member 18 may be fixed to the lower surface of the head plate 2 or the lower end of the spring plate 10 and hang down on the elongated plate portions 6 and 6. Therefore, a gap 22 is formed between the buffer member 18 and the spring plate 10 or the elongated plate portion 6. Block 1
9 may be of a type that is stacked on top.
【００１０】そこで上記実施例の作用につき説明する
と、図２に示したように、体操用踏切板１を体育館等の
床に置き、選手が体操用踏切板１の後方部３から踏切面
２１に飛び移ると、そこに加えられる力により、頭板２
はばね板１０の反発力を受けながら敷き板５の方向へ反
る。このとき、緩衝部材１８は、ばね板１０の端部１７
で、若しくは頭板２がその前方の隅の部分で敷き板５に
ダイレクトに衝突するのを阻止する。緩衝部材１８はば
ね板１０の端部１７がブロック１９の上に乗り、ばねの
撓みが一定の長さに達したときに初めて働き、ばねの撓
みが長くなればなる程大きな反発力を生み出す為、衝撃
を静かに吸収する。なお、緩衝部材１８の空洞部２６に
適宜硬さの弾性体からなる心棒２７を挿入することによ
り、緩衝部材１８の硬さを調節できる。The operation of the above embodiment will now be described. As shown in FIG. 2, the gymnastics leveling plate 1 is placed on the floor of a gymnasium or the like, and the athlete moves from the rear part 3 of the gymnastics leveling plate 1 to the leveling surface 21. Headboard 2 due to the force applied when jumping
Bends toward the floor plate 5 while receiving the repulsive force of the spring plate 10. At this time, the cushioning member 18 is the end portion 17 of the spring plate 10.
It prevents the headboard 2 from directly colliding with the laying board 5 at its front corner. The buffer member 18 works only when the end portion 17 of the spring plate 10 rides on the block 19 and the flexure of the spring reaches a certain length, and the longer the flexure of the spring is, the larger the repulsive force is generated. , Absorb the shock gently. The hardness of the cushioning member 18 can be adjusted by inserting the mandrel 27 made of an elastic body having an appropriate hardness into the hollow portion 26 of the cushioning member 18.
【００１１】しかしながら、反発力は中間に介在するも
のがない状態で徐々に発生することが望ましい。そこで
この発明の第２実施例を図２及び図３に基づき説明す
る。上記第１実施例と同じ頭板２と敷き板５及びばね板
１０を備えた体操用踏切板１ａは、ばね板１０と細長板
部６，６との間及び頭板２とばね板１０との先端部間に
それぞれ弾性の緩衝部材２３，２３を介在してなる。緩
衝部材２３，２３が直列につながっていることにより、
弾性の精確なる徴調整ができるのに対して、第１実施例
では緩衝部材１８，１８が並列につながっていてこれだ
けでほとんどの弾性を生み出すようになっている。However, it is desirable that the repulsive force be gradually generated without any intermediate member. Therefore, a second embodiment of the present invention will be described with reference to FIGS. The crossing plate 1a for gymnastics, which includes the same head plate 2, floor plate 5 and spring plate 10 as in the first embodiment, is provided between the spring plate 10 and the elongated plate portions 6 and 6 and between the head plate 2 and the spring plate 10. Elastic cushioning members 23, 23 are respectively interposed between the tip ends of the. Since the buffer members 23, 23 are connected in series,
While the elasticity can be precisely adjusted, in the first embodiment, the cushioning members 18, 18 are connected in parallel to produce almost all elasticity.
【００１２】緩衝部材２３，２３はそれぞれ前記緩衝部
材１８と同様にゴム弾性と同じ特性をもつ合成樹脂材料
からなるブロック２０であり、中心に空洞部２６を穿設
した円筒部２４と、直径方向で相対向する長方形の偏平
部２５，２５とが一体形成されてなる。偏平部２５，２
５の外面に接着剤を塗布して頭板２とばね板１０、及び
ばね板１０と敷き板５にそれぞれ接合する。この確実な
接合な接合が行われると、頭板２と敷き板５とが緩衝部
材２３，２３を挟んで堅固になり、側面の安定度が高く
なるが、確実な接合が行われない場合には、ばね板１０
は細長板部６，６にまたがるシート状の構成としてもよ
い。しかし、そうしたときには、踏み切った後の弾性質
量と板の反動を少なくするために、ばね板１０の肉厚を
減らす必要がある。Each of the buffer members 23, 23 is a block 20 made of a synthetic resin material having the same characteristic of rubber elasticity as the buffer member 18, and a cylindrical portion 24 having a hollow portion 26 at its center and a diametrical direction. The rectangular flat portions 25, 25 facing each other are integrally formed. Flat parts 25, 2
An adhesive is applied to the outer surface of 5 to join the head plate 2 and the spring plate 10, and the spring plate 10 and the floor plate 5, respectively. When this reliable joining is performed, the head plate 2 and the laying plate 5 become firm with the cushioning members 23, 23 sandwiched therebetween, and the stability of the side surface increases, but in the case where reliable joining is not performed, Is the spring plate 10
May have a sheet-like structure extending over the elongated plate portions 6 and 6. However, in such a case, it is necessary to reduce the wall thickness of the spring plate 10 in order to reduce the reaction of the elastic mass and the plate after the take-off.
【００１３】空洞部２６は弾性のある補強部材２７を挿
脱してブロック２０のばね特性を変更ないしは調節する
ために穿設されている。すなわち、図３に示す補強部材
２７はマット状のものを丸めてもよく、又は形状が定ま
った心棒であってもよい。そして、空洞部２６の径が大
きくなればなるほど、挿入すべき補強部材２７の量が増
え、ばね特性に与える変化が大きくなる。The hollow portion 26 is formed by inserting and removing the elastic reinforcing member 27 so as to change or adjust the spring characteristic of the block 20. That is, the reinforcing member 27 shown in FIG. 3 may be a mat-shaped member which is rounded or a mandrel having a fixed shape. The larger the diameter of the hollow portion 26, the larger the amount of the reinforcing member 27 to be inserted, and the larger the change in the spring characteristic.
【００１４】この第２実施例の利点としては、踏切面２
１に踏み込んだとき、ばね板１０と弾性のある緩衝部材
２３，２３により、推力で踏切板１ａが固定される。そ
のため、選手が正確に中央部に踏み込まなかったときで
も、頭板２が敷き板５に対して横にずれることがなく、
最適な跳躍結果が得られる。The advantage of the second embodiment is that the level crossing surface 2
When stepping on 1, the crossing plate 1a is fixed by thrust by the spring plate 10 and the elastic cushioning members 23, 23. Therefore, even when the player does not step on the center accurately, the headboard 2 does not shift laterally with respect to the floor plate 5,
Optimal jumping result is obtained.
【００１５】[0015]
【発明の効果】以上説明した本発明によれば、ばね板に
過度の荷重がかかった場合に、頭板と敷き板が衝突する
のを阻止でき、また、緩衝部材によって頭板ないしばね
板が敷き板に接近すると反発力が徐々に均等に発生す
る。特にばね板の最大撓みに近付いたときにそうなるか
ら、頭板によって決まっていたばねの撓みを長くするこ
となく、より良い硬いばね特性曲線が得られる。緩衝部
材の作成方次第により、必要に応じて特性を調整して、
たとえば硬さを強くすることができる。かくして従来の
踏切板に比べ、耐荷重性は実験によると約３０パーセン
ト上昇した。According to the present invention described above, it is possible to prevent the head plate and the floor plate from colliding with each other when an excessive load is applied to the spring plate, and the buffer member prevents the head plate or the spring plate from colliding. Repulsive force is gradually and evenly generated when approaching the floorboard. Since this occurs particularly when the maximum deflection of the spring plate is approached, a better and stiffer spring characteristic curve can be obtained without increasing the spring deflection determined by the head plate. Depending on how you create the cushioning member, adjust the characteristics as necessary,
For example, the hardness can be increased. Thus, the load bearing capacity of the conventional railroad crossing plate is increased by about 30% according to the experiment.
【００１６】さらに、緩衝部材が透孔を有し、その透孔
に補強部材を挿入することによって圧縮特性を変更でき
るから、選手の跳躍力に合わせて踏切板のばね特性を硬
いと柔らかいとの中間に設定できる。また、緩衝部材が
頭板とばね板及び敷き板とを堅固に連結するので、安定
性が向上するほか、ばね板を複数に分割構成でき、一枚
だけで構成されるばね板とは異なり材料と重量を減らす
ことができる。そして、ばね板を合成樹脂製とすると、
材質疲労が少なくて、長時間使用した場合でも踏切板の
ばね特性が劣化しない、等の効果を奏する。Further, since the cushioning member has a through hole, and the compression characteristic can be changed by inserting the reinforcing member into the through hole, the spring characteristic of the level crossing plate can be hard or soft according to the jumping force of the player. Can be set in the middle. Further, since the cushioning member firmly connects the head plate to the spring plate and the floor plate, stability is improved, and the spring plate can be divided into a plurality of parts, which is different from a spring plate composed of only one material. And can reduce weight. And if the spring plate is made of synthetic resin,
There is little material fatigue, and the spring characteristics of the railroad crossing plate do not deteriorate even when used for a long time.
【図１】この発明の第１実施例を示す斜視図。FIG. 1 is a perspective view showing a first embodiment of the present invention.
【図２】この発明の第２実施例を示す側面図。FIG. 2 is a side view showing a second embodiment of the present invention.
【図３】図２のＡ矢視図。FIG. 3 is a view on arrow A of FIG.
１，１ａ…体操用踏切板、２…頭板、３…後部端、４，
１６…前部端、５…敷き板、６，１４…細長板部、９…
空間部、１０…ばね板、１８，２３…緩衝部材、２４…
円筒部、２５…偏平部、２６…空洞部1, 1a ... Gymnastics crossing board, 2 ... Headboard, 3 ... Rear end, 4,
16 ... Front end, 5 ... Laying plate, 6, 14 ... Elongated plate part, 9 ...
Space portion, 10 ... Spring plate, 18, 23 ... Buffer member, 24 ...
Cylindrical part, 25 ... Flat part, 26 ... Cavity part
Claims (4)
湾曲した敷き板と、該敷き板の後部端と一端が鋭角を有
して接合され、他端が敷き板の前部端と対向して配され
る頭板と、及び、一端が敷き板の長手方向の略中央部に
接合され、他端が頭板の前部端の下部に配されて敷き板
と頭板間に介在するばね板と、頭板とばね板の前部端を
連結して離間する敷板の前部端に空洞部が前部端と平行
になる横配置で固定された弾性体からなる緩衝部材とを
有することを特徴とする体操用踏切板。1. A laying board curved upward toward a substantially central portion in a longitudinal direction, a rear end of the laying board and one end thereof are joined to each other at an acute angle, and the other end faces a front end of the laying board. And the one end is joined to the substantially central portion of the floorboard in the longitudinal direction, and the other end is placed below the front end of the headboard and is interposed between the floorboard and the headboard. The spring plate, the head plate and the front end of the spring plate.
A cavity is parallel to the front end of the floorboard that is connected and separated
And a cushioning member made of an elastic body fixed in a horizontal arrangement
A crossing plate for gymnastics characterized by having .
湾曲した敷き板と、該敷き板の後部端と一端が鋭角を有
して接合され、他端が敷き板の前部端と対向して配され
る頭板と、及び、一端が敷き板の長手方向の略中央部に
接合され、他端が頭板の前部端の下部に配されて敷き板
と頭板間に介在するばね板と、頭板とばね板の前部端間
に空洞部が前部端と平行になる横配置で挟持された弾性
体と、ばね板と離間する敷板の前部端に空洞部が前部端
と平行になる横配置で固定された弾性体からなる緩衝部
材とを有することを特徴とする体操用踏切板。2. A laying plate curved upward toward a substantially central portion in the longitudinal direction, one end of the laying plate is joined to a rear end of the laying plate at an acute angle, and the other end faces a front end of the laying plate. And the one end is joined to the substantially central portion of the floorboard in the longitudinal direction, and the other end is placed below the front end of the headboard and is interposed between the floorboard and the headboard. Spring plate, and between head plate and front end of spring plate
Elasticity sandwiched in a horizontal arrangement with the cavity parallel to the front edge
There is a cavity at the front end of the base plate, which is separated from the body and the spring plate.
Buffer part consisting of elastic body fixed in a horizontal arrangement parallel to
A crossing plate for gymnastics , which comprises:
向して一体形成された一対の偏平部とからなることを特
徴とする請求項１又は２記載の体操用踏切板。3. A process according to claim 1 or 2 gymnastics springboard according cushioning member is characterized by comprising a pair of flat portions which are integrally formed to face in the diametrical direction between the cylindrical portion.
なることを特徴とする請求項１，２又は３記載の体操用Gymnastics according to claim 1, 2 or 3, characterized in that
踏切板。Crossing board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904013291 DE4013291C2 (en) | 1990-04-26 | 1990-04-26 | Springboard |
| DE4013291.9 | 1990-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04218177A JPH04218177A (en) | 1992-08-07 |
| JPH0777588B2 true JPH0777588B2 (en) | 1995-08-23 |
Family
ID=6405123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3077588A Expired - Fee Related JPH0777588B2 (en) | 1990-04-26 | 1991-04-10 | Gymnastics crossing plate |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH0777588B2 (en) |
| DE (1) | DE4013291C2 (en) |
| FR (1) | FR2663548B1 (en) |
| GB (1) | GB2243304B (en) |
| NL (1) | NL9100724A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4437400C1 (en) * | 1994-10-19 | 1996-05-30 | Spieth Holztechnik Gmbh | Trampoline for gymnastics with shock absorber and spring |
| NZ513331A (en) | 2001-11-20 | 2005-01-28 | Board & Batten Int Inc | Edge fittings for soft-edged trampolines |
| US7175567B2 (en) * | 2003-05-21 | 2007-02-13 | Gymnova Sa | Gymnastics springboard with adjustable elasticity designed for training and competition |
| JP5267174B2 (en) * | 2009-02-03 | 2013-08-21 | ソニー株式会社 | Stereolithography apparatus and modeling base |
| RU2427404C1 (en) * | 2010-09-28 | 2011-08-27 | Василий Глебович Сазонов | Method to install and adjust stiffness of spring board |
| US9089732B2 (en) | 2011-06-09 | 2015-07-28 | Vuly Trampolines Pty, Ltd. | Trampolines |
| CN111632335A (en) * | 2020-06-19 | 2020-09-08 | 泰山学院 | A jumping device for physical education |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1032140B (en) * | 1954-04-08 | 1958-06-12 | Richard Reuther | Springboard with jump and crossover area |
| DE1578671A1 (en) * | 1966-05-12 | 1971-01-14 | Turnmeyer Werke Gmbh | Stepping stone |
| US3498606A (en) * | 1967-06-22 | 1970-03-03 | Universal Oil Prod Co | A loop shaped diving board spring of resin impregnated glass fiber |
| DE2234640A1 (en) * | 1972-07-14 | 1974-01-24 | Richard Reuther | ELASTIC SPRINGBOARD |
| DE3203171C2 (en) * | 1982-01-30 | 1985-08-01 | Richard 6700 Ludwigshafen Reuther | Sports equipment with spring block |
| DE3203172C2 (en) * | 1982-01-30 | 1984-01-05 | Richard 6700 Ludwigshafen Reuther | Springboard for gymnastics |
| DE3508931A1 (en) * | 1985-01-17 | 1986-07-17 | G. Benz Turngerätefabrik GmbH & Co, 7057 Winnenden | Springboard for gymnastics |
| DE3602784A1 (en) * | 1985-08-31 | 1987-03-05 | Benz Turngeraete | Springboard for gymnastics |
-
1990
- 1990-04-26 DE DE19904013291 patent/DE4013291C2/en not_active Expired - Fee Related
-
1991
- 1991-04-10 JP JP3077588A patent/JPH0777588B2/en not_active Expired - Fee Related
- 1991-04-17 GB GB9108262A patent/GB2243304B/en not_active Expired - Fee Related
- 1991-04-25 FR FR9105372A patent/FR2663548B1/en not_active Expired - Fee Related
- 1991-04-26 NL NL9100724A patent/NL9100724A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE4013291C2 (en) | 1995-03-16 |
| GB2243304B (en) | 1994-09-21 |
| JPH04218177A (en) | 1992-08-07 |
| GB9108262D0 (en) | 1991-06-05 |
| DE4013291A1 (en) | 1991-10-31 |
| FR2663548A1 (en) | 1991-12-27 |
| FR2663548B1 (en) | 1995-02-10 |
| GB2243304A (en) | 1991-10-30 |
| NL9100724A (en) | 1991-11-18 |
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