JP2587927Y2 - Base-isolated floor structure - Google Patents
Base-isolated floor structureInfo
- Publication number
- JP2587927Y2 JP2587927Y2 JP1993075531U JP7553193U JP2587927Y2 JP 2587927 Y2 JP2587927 Y2 JP 2587927Y2 JP 1993075531 U JP1993075531 U JP 1993075531U JP 7553193 U JP7553193 U JP 7553193U JP 2587927 Y2 JP2587927 Y2 JP 2587927Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- floor
- fixed
- hardware
- base
- 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 - Lifetime
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Description
【0001】[0001]
【産業上の利用分野】この考案は、免震構造部の床板と
非免震構造部の床板との間に掛け渡す緩衝板の取付け構
造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a buffer plate to be bridged between a floor plate of a base isolation structure and a floor plate of a non-seismic structure.
【0002】[0002]
【従来の技術】建物の全体を免震構造にすると免震装置
が過大となるために、建物の一部のみを免震構造として
重要機器を設置し、他の部分は非免震構造とすることが
ある。この場合、免震構造部の床板と非免震構造部の床
板との間には緩衝板が掛け渡されるが、地震時の揺れが
両構造部で異なるから、緩衝板は両構造部の揺れの相違
を吸収できる取付け構造とする必要がある。このような
緩衝板の取付け構造としては実願平3−80483号
(実開平5−32572号)があり、これは、免震構造
部の床板の端部に受け金物を固定し、該受け金物と係合
する固定金物を一端に固定した緩衝板を非免震構造部の
床板の上面に掛け渡した取付け構造において、前記受け
金物を外方に張り出した後に上方に立ち上がる形状に形
成し、前記固定金物を受け金物に嵌入する箱型に形成し
た構造である。2. Description of the Related Art When a building is entirely seismically isolated, the seismic isolation device becomes excessively large. Therefore, only a part of the building is installed as a seismic isolation structure and important equipment is installed. Sometimes. In this case, a buffer plate is hung between the floor plate of the seismic isolation structure and the floor plate of the non-seismic structure. However, the vibration during the earthquake is different between the two structural parts. It is necessary to adopt a mounting structure that can absorb the difference between the two. Japanese Patent Application No. 3-80483 (Japanese Utility Model Application Laid-Open No. 5-32572) discloses a mounting structure for such a shock absorbing plate, in which a receiving hardware is fixed to an end of a floor plate of a seismic isolation structure. In a mounting structure in which a shock absorbing plate fixed to one end of a fixed metal fitting that engages with an upper surface of a floor plate of a non-seismic structure, the receiving metal is formed to have a shape that rises upward after protruding outward, This is a box-shaped structure in which the fixed metal fitting is inserted into the metal fitting.
【0003】[0003]
【考案が解決しようとする課題】上記従来の緩衝板の取
付け構造では、水平動についてはこれを吸収することが
できるが、凹字状に形成された受け金物に箱型の固定金
物が嵌入しているから、非免震構造部が上方に移動した
ときには固定金物と緩衝板との固定部に過大な応力が作
用して、該固定部の破損を招くおそれがある。一応の目
安として水平動を200〜300mmの移動巾、また上
下動として20〜30mmの移動高さを目標にしてい
る。したがって本考案は、垂直動を含む地震動を吸収す
ることができる緩衝板の取付け構造を提供することを目
的とする。In the above-mentioned conventional mounting structure of the shock-absorbing plate, horizontal movement can be absorbed, but a box-shaped fixing metal fits into a concave-shaped receiving metal. Therefore, when the non-seismic structure moves upward, excessive stress acts on the fixing portion between the fixing hardware and the buffer plate, which may cause damage to the fixing portion. As a rough guide, the horizontal movement is aimed at a movement width of 200 to 300 mm, and the vertical movement is aimed at a movement height of 20 to 30 mm. Therefore, an object of the present invention is to provide a mounting structure of a shock absorbing plate capable of absorbing seismic motion including vertical motion.
【0004】[0004]
【課題を解決するための手段】本考案は上記目的を達成
するためになされたものであり、すなわち、免震構造部
の床板と非免震構造部の床板とのいずれか一方の床板の
端部に受け金物を固定し、該受け金物と係合する固定金
物を一端に固定した緩衝板を前記いずれか他方の床板の
上面に掛け渡した免震床構造において、前記受け金物
は、外方に張り出した後に上方に立ち上がる形状に形成
され、前記固定金物は、下方に向って外方に傾斜する傾
斜面を有することを特徴とする免震床構造である。SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, that is, the end of one of the floor plates of the base isolation structure and the non-base isolation structure. In a base-isolated floor structure in which a receiving metal member is fixed to a portion and a buffer plate in which a fixing metal member engaged with the receiving metal member is fixed to one end is laid over the upper surface of the other one of the floor plates, the receiving metal member is an outer member. The fixed metal fitting is formed in a shape that rises upward after projecting to the floor, and the fixing hardware has an inclined surface that is inclined downward and outward.
【0005】[0005]
【作用】受け金物は外方に張り出した後に上方に立ち上
がっているのに対して、固定金物は傾斜面を有するか
ら、前記いずれか他方の床板が上方に移動したときに
も、固定金物を固定した緩衝板は無理なく回転すること
ができ、したがって固定金物と緩衝板との固定部に過大
な応力は作用しない。また地震動が止んだときには、固
定金物とこれを取り付けた緩衝板は、固定金物の傾斜面
に沿って滑落するから、自然に原形状に復帰する。[Function] While the receiving hardware stands upward after protruding outward, the fixing hardware has an inclined surface, so that the fixing hardware is fixed even when one of the other floor plates moves upward. The shock absorbing plate can be rotated without difficulty, so that no excessive stress acts on the fixing portion between the fixing hardware and the shock absorbing plate. Further, when the seismic motion stops, the fixed hardware and the buffer plate to which the fixed hardware is attached slide down along the inclined surface of the fixed hardware, and thus return to the original shape naturally.
【0006】[0006]
【実施例】本考案の一実施例を図面によって説明する。
図1に示されているごとく、建物の床スラブ1上の壁2
際には、非免震部支持脚3を介してボーダー部床板4が
固定されている。他方、建物の床スラブ1上には、図示
しない免震装置を介して免震部構造部材5が設けられて
おり、この免震部構造部材5上に、免震部支持脚6を介
して免震部床板7が固定されている。この免震部床板7
上には、電子計算機、その他の重要機器(図示せず)が
載置される。免震部支持脚6のうち最外周のものには受
け金物8が固定されており、この受け金物8に固定金物
9が係合している。固定金物9は緩衝板10に固定され
ており、緩衝板10の先端(図面左端をいう。以下同
じ。)はボーダー部床板4の上面に掛け渡されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a wall 2 on a floor slab 1 of a building
In this case, the border floor plate 4 is fixed via the non-seismic isolation support legs 3. On the other hand, on the floor slab 1 of the building, a seismic isolation part structural member 5 is provided via a seismic isolation device (not shown), and on the seismic isolation part structural member 5 via seismic isolation support legs 6. The seismic isolation floor plate 7 is fixed. This seismic isolation floor plate 7
An electronic computer and other important devices (not shown) are placed on the top. A metal fitting 8 is fixed to the outermost one of the seismic isolation part supporting legs 6, and a fixed metal piece 9 is engaged with the metal fitting 8. The fixing hardware 9 is fixed to the buffer plate 10, and the tip (the left end in the drawing; the same applies hereinafter) of the buffer plate 10 is stretched over the upper surface of the border floor plate 4.
【0007】受け金物8は、図2に示されているごと
く、内板部8aと底板部8bと外板部8cと上板部8d
とをその順に直角に折り曲げた形状をなし、アルミ合金
の押し出し成形によって形成されている。内板部8aの
上端面は免震部床板7の上面と面一に形成されており、
底板部8bにおいて免震部支持脚6にビス止めされてお
り、外板部8cの高さは内板部8aの高さよりも低い。
また上板部8dの幅は底板部8bの幅よりも狭く、した
がって上板部8dの端面と内板部8aとの間に固定金物
9を挿入すべき間隙が形成されている。固定金物9は、
上板部9aと傾斜部9bと垂直部9cと下板部9dとを
その順に折り曲げた形状をなし、アルミ合金の押し出し
成形によって形成されている。また上板部9aと傾斜部
9bとの境界に、受け金物の上板部8dの内側端部が当
接する垂直面9eが形成されており、上板部9aにおい
て緩衝板10にビス止めされている。緩衝板10の上面
は免震部床板7の上面と面一に形成されており、下面は
ボーダー部床板4の上面と面一に形成されている。As shown in FIG. 2, the receiving metal member 8 includes an inner plate portion 8a, a bottom plate portion 8b, an outer plate portion 8c, and an upper plate portion 8d.
Are bent at right angles in that order, and are formed by extrusion of an aluminum alloy. The upper end surface of the inner plate portion 8a is formed flush with the upper surface of the seismic isolation unit floor plate 7,
The bottom plate portion 8b is screwed to the seismic isolation portion supporting leg 6, and the height of the outer plate portion 8c is lower than the height of the inner plate portion 8a.
The width of the upper plate 8d is smaller than the width of the bottom plate 8b, and therefore, a gap is formed between the end face of the upper plate 8d and the inner plate 8a to insert the fixing hardware 9. The fixed hardware 9
The upper plate portion 9a, the inclined portion 9b, the vertical portion 9c, and the lower plate portion 9d are bent in this order, and are formed by extrusion of an aluminum alloy. At the boundary between the upper plate 9a and the inclined portion 9b, there is formed a vertical surface 9e with which the inner end of the upper plate 8d of the receiving metal comes into contact, and is screwed to the buffer plate 10 at the upper plate 9a. I have. The upper surface of the shock absorbing plate 10 is formed flush with the upper surface of the base isolation floor plate 7, and the lower surface thereof is flush with the upper surface of the border floor plate 4.
【0008】本実施例は以上のように構成されており、
地震のない通常状態において、緩衝板10の免震部床板
7側への移動については、緩衝板10の端面が受け金物
8の内板部8aに当接し、緩衝板10のボーダー部床板
4側への移動については、固定金物の垂直面9eが受け
金物の上板部8dに当接するから、緩衝板10は左右方
向にガタつくことがない。また前後方向には隣接する緩
衝板があるから、前後方向にもガタつくことがない。This embodiment is configured as described above.
Regarding the movement of the shock absorbing plate 10 to the seismic isolation unit floor plate 7 side in the normal state without an earthquake, the end surface of the shock absorbing plate 10 comes into contact with the inner plate portion 8a of the receiving metal member 8, and the side of the shock absorbing plate 10 near the border part floor plate 4 As the vertical surface 9e of the fixed hardware comes into contact with the upper plate portion 8d of the receiving hardware, the buffer plate 10 does not rattle in the left-right direction. Also, since there is an adjacent buffer plate in the front-back direction, there is no backlash in the front-back direction.
【0009】しかして地震動が生じると、免震部床板7
とボーダー部床板4とは異なる動きをなす。先ずボーダ
ー部床板4が水平動、すなわち前後動又は左右動をした
ときには、緩衝板10の下面とボーダー部床板4の上面
とが摺動するだけであって、特段の問題を生じない。次
に上下動のうち、ボーダー部床板4が下降したときに
は、図3に示すごとく緩衝板10は反時計方向に僅かに
回転しつつその先端がボーダー部床板4の上面に当接
し、こうして緩衝板10はボーダー部床板4の下降に無
理なく追従することができる。この状態で更に水平動が
加重しても、緩衝板10の先端とボーダー部床板4の上
面とが摺動するだけであって、なおも地震動に追随する
ことができる。When an earthquake motion occurs, the seismic isolation floor plate 7
And the border floorboard 4 make a different movement. First, when the border floor plate 4 moves horizontally, that is, moves back and forth or left and right, only the lower surface of the buffer plate 10 and the upper surface of the border floor plate 4 slide, and no particular problem occurs. Next, during the vertical movement, when the border floor plate 4 descends, as shown in FIG. 3, the buffer plate 10 slightly rotates counterclockwise while its tip abuts on the upper surface of the border floor plate 4, and thus the buffer plate 10 10 can follow the descending of the floor board 4 without difficulty. In this state, even if horizontal motion is further applied, only the tip of the buffer plate 10 and the upper surface of the border floor plate 4 slide, and the vehicle can still follow the seismic motion.
【0010】他方上下動のうち、ボーダー部床板4が上
昇したときには次のようになる。すなわちもしも緩衝板
10と固定金物との重心Gが、ボーダー部床板4の先端
(図面右端をいう。以下同じ。)よりも図面左側にある
ときには、緩衝板10の全体がボーダー部床板4によっ
て単に持ち上げられ、すなわち緩衝板10はボーダー部
床板4の動きに追従する。この状態で更に水平動が加重
されても、緩衝板10はボーダー部床板4によって持ち
上げられたまま水平移動するだけであって、なおも地震
動に追随することができる。On the other hand, when the border floor plate 4 rises during the vertical movement, the following occurs. That is, if the center of gravity G between the buffer plate 10 and the fixing hardware is located on the left side of the drawing with respect to the front end (the right end in the drawing; the same applies hereinafter) of the border floor plate 4, the whole of the buffer plate 10 is simply formed by the border floor plate 4. When lifted, that is, the buffer plate 10 follows the movement of the border floor plate 4. Even if horizontal motion is further applied in this state, the shock absorbing plate 10 only moves horizontally while being lifted by the border floor plate 4, and can still follow the seismic motion.
【0011】但し本実施例では緩衝板10と固定金物と
の重心Gが、ボーダー部床板4の先端よりも図面右側に
あるために、図4に示すごとくボーダー部床板4の先端
が緩衝板10の下面に当接しつつ緩衝板10を時計方向
に僅かに回転させ、こうして緩衝板10はボーダー部床
板4の上昇に無理なく追従する。この状態で更に前後動
が加重しても、特段の変化は生じない。他方、左右動が
加重すると、緩衝板10の回転角度が変化して、なおも
地震動に追随する。ボーダー部床板4の先端が、図5に
示すごとく緩衝板10と固定金物との重心Gを越えて図
面右側に移動したときには、緩衝板10と受け金物8と
の摩擦、及び固定金物9と受け金物8との摩擦がなけれ
ば、緩衝板10は一気に倒伏してボーダー部床板4上に
倒れるが、実際には上記摩擦があるために、緩衝板10
の回転角度が一層増す。その後ボーダー部床板4の右方
向への移動が止んで左方向への移動に変わると同時に、
図6に示すごとく緩衝板10は一気に倒伏してボーダー
部床板4上に倒れる。However, in this embodiment, since the center of gravity G between the buffer plate 10 and the fixing hardware is located on the right side of the drawing in relation to the tip of the border floor plate 4, as shown in FIG. The buffer plate 10 is slightly rotated clockwise while being in contact with the lower surface of the base plate, so that the buffer plate 10 follows the rise of the border floor plate 4 without difficulty. Even if the forward and backward movements are further weighted in this state, no particular change occurs. On the other hand, when the left-right motion is weighted, the rotation angle of the buffer plate 10 changes and still follows the seismic motion. When the front end of the border floor plate 4 moves to the right side of the drawing beyond the center of gravity G between the buffer plate 10 and the fixing hardware as shown in FIG. If there is no friction with the hardware 8, the buffer plate 10 falls down at once and falls on the border floor plate 4, but actually, due to the above-mentioned friction, the buffer plate 10
Further increases the rotation angle. After that, the movement of the border floor plate 4 to the right stops and changes to the movement to the left,
As shown in FIG. 6, the buffer plate 10 falls down at once and falls on the border floor plate 4.
【0012】以上のように地震動がいかように作用しよ
うとも、緩衝板10はボーダー部床板4の動きに追随す
る。最終的に地震動が止んだときには、固定金具の傾斜
部9bの下面が傾斜面9fとなっているために、固定金
物9を取り付けた緩衝板10は、この傾斜面9fに沿っ
て滑落するから、自然に原形状に復帰する。As described above, the buffer plate 10 follows the movement of the border floor plate 4 no matter how the seismic motion works. When the seismic motion finally stops, since the lower surface of the inclined portion 9b of the fixture is an inclined surface 9f, the buffer plate 10 to which the fixing hardware 9 is attached slides down along the inclined surface 9f. It returns to its original shape naturally.
【0013】なお受け金物の内板部8aと固定金物の垂
直部9cは、特に設けない構成とすることもできる。ま
た固定金物の傾斜部9bのうち、傾斜面9fと反対側の
面の形状は特に問題とならない。また固定金物の垂直面
9eを設けない構成とすることもできるが、固定金物9
の横方向の寸法精度を高めるためにこれを設けて、受け
金物の上板部8d上面と固定金物の上板部9a下面との
メタルタッチの確実を期することが好ましい。また受け
金物の上板部8dと固定金物の下板部9dとは、これを
設けない構成とすることもできるが、緩衝板10のバウ
ンドなどの事態を想定して、これを設けて固定金物9が
受け金物8から脱落しにくくすることが好ましい。なお
受け金物の上板部8dを設けない構成としたときには、
固定金物の垂直面9eは受け金物の外板部8dの内側端
部に当接することとなる。The inner plate portion 8a of the receiving metal member and the vertical portion 9c of the fixing metal member may not be particularly provided. In addition, the shape of the surface of the fixed metal member on the side opposite to the inclined surface 9f of the inclined portion 9b is not particularly problematic. Further, a configuration in which the vertical surface 9e of the fixing hardware is not provided can be adopted.
It is preferable to provide this in order to improve the dimensional accuracy in the lateral direction of the above, and to ensure metal touch between the upper surface of the upper plate portion 8d of the receiving hardware and the lower surface of the upper plate portion 9a of the fixed hardware. The upper plate portion 8d of the receiving hardware and the lower plate portion 9d of the fixed hardware can be configured not to be provided. However, assuming a situation such as the bounce of the buffer plate 10, the upper plate portion 8d and the fixed hardware are provided. It is preferable to make it difficult for the metal 9 to fall off from the metal fitting 8. When the upper plate 8d is not provided,
The vertical surface 9e of the fixing metal comes into contact with the inner end of the outer plate 8d of the receiving metal.
【0014】また本実施例では、受け金物8を免震構造
部側に取り付けて緩衝板10を非免震構造部側に掛け渡
した場合を示したが、受け金物8を非免震構造部側に取
り付けて、緩衝板10を免震構造部側に掛け渡すことも
できる。また本実施例では各床板4,7を各支持脚3,
6で支持したフリーアクセスフロアの場合を示したが、
フリーアクセスフロアでない床面に本考案を適用するこ
ともできる。さらに緩衝板10を1枚ものを示している
が、下方向のみに曲がる例えば蝶番のようなもので、緩
衝板の一方がハネ上らないように屈曲することも可能で
ある(図5点線)。Further, in the present embodiment, the case where the receiving hardware 8 is attached to the seismic isolation structure side and the buffer plate 10 is extended over the non-seismic isolation structure side is shown. The shock absorbing plate 10 can be mounted on the side of the base isolation structure. In the present embodiment, each floor plate 4, 7 is connected to each support leg 3,
6 shows the case of the free access floor supported by
The present invention can be applied to floors other than the free access floor. Further, although only one buffer plate 10 is shown, it is also possible to bend such that, for example, a hinge that bends only downward, so that one of the buffer plates does not go up (dotted line in FIG. 5). .
【0015】[0015]
【考案の効果】本考案によれば、受け金物は外方に張り
出した後に上方に立ち上がっているのに対して、固定金
物は傾斜面を有するから、固定金物を固定した緩衝板は
無理なく回転することができ、したがって固定金物と緩
衝板との固定部に過大な応力は作用しない。また地震動
が止んだときには、固定金物とこれを取り付けた緩衝板
は、固定金物の傾斜面に沿って滑落するから、自然に原
形状に復帰する。[Effects of the Invention] According to the present invention, while the receiving hardware stands up after protruding outward, the fixed hardware has an inclined surface, so that the buffer plate to which the fixed hardware is fixed can rotate without difficulty. Therefore, no excessive stress acts on the fixing portion between the fixing hardware and the buffer plate. Further, when the seismic motion stops, the fixed hardware and the buffer plate to which the fixed hardware is attached slide down along the inclined surface of the fixed hardware, and thus return to the original shape naturally.
【図1】本考案の一実施例を示す縦断面図FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.
【図2】要部拡大縦断面図FIG. 2 is an enlarged longitudinal sectional view of a main part.
【図3】非免震構造部が下降したときを示す縦断面図FIG. 3 is a longitudinal sectional view showing a case where a non-seismic structure is lowered.
【図4】非免震構造部が上昇したときを示す縦断面図FIG. 4 is a longitudinal sectional view showing a case where the non-seismic structure is raised.
【図5】非免震構造部が上昇した後に免震構造部に接近
したときを示す縦断面図FIG. 5 is a vertical cross-sectional view showing a state in which the non-seismic isolation structure is elevated and then approaches the seismic isolation structure.
【図6】非免震構造部が上昇し、免震構造部に接近した
後に、免震構造部より離隔したときを示す縦断面図FIG. 6 is a longitudinal cross-sectional view showing a case where the non-seismic structure rises, approaches the seismic isolation structure, and is separated from the seismic isolation structure.
1…床スラブ1 2…壁 3
…非免震部支持脚 4…ボーダー部床板 5…免震部構造部材 6
…免震部支持脚 7…免震部床板 8…受け金物 8
a…内板部 8b…底板部 8c…外板部 8
d…上板部 9…固定金物 9a…上板部 9
b…傾斜部 9c…垂直部 9d…下板部 9
e…垂直面 9f…傾斜面 10…緩衝板 G
…重心1 ... floor slab 1 2 ... wall 3
… Non-seismic support leg 4… floor board 5… seismic isolation structural member 6
... seismic isolation support legs 7 ... seismic isolation floor plate 8 ... receiving hardware 8
a: inner plate 8b: bottom plate 8c: outer plate 8
d: Upper plate 9: Fixing hardware 9a: Upper plate 9
b: inclined portion 9c: vertical portion 9d: lower plate portion 9
e: vertical surface 9f: inclined surface 10: buffer plate G
… Center of gravity
フロントページの続き (72)考案者 深谷 幸一 東京都江東区東陽四丁目1番13号 日立 機材株式会社内 (58)調査した分野(Int.Cl.6,DB名) E04F 15/18 601 E04F 15/024 605Continuation of the front page (72) Inventor Koichi Fukaya 4-1-1-13 Toyo, Koto-ku, Tokyo Within Hitachi Koki Co., Ltd. (58) Field surveyed (Int.Cl. 6 , DB name) E04F 15/18 601 E04F 15 / 024 605
Claims (3)
のいずれか一方の床板の端部に受け金物を固定し、該受
け金物と係合する固定金物を一端に固定した緩衝板を前
記いずれか他方の床板の上面に掛け渡した免震床構造に
おいて、 前記受け金物は、外方に張り出した後に上方に立ち上が
る形状に形成され、 前記固定金物は、下方に向って外方に傾斜する傾斜面を
有することを特徴とする免震床構造。1. A receiving hardware is fixed to an end of one of a floor plate of a seismic isolation structure portion and a floor plate of a non-seismic isolating structure portion, and a fixing metal fitting with the receiving metal member is fixed to one end. In the base-isolated floor structure in which the buffer plate is stretched over the upper surface of the other one of the floor plates, the receiving metal member is formed to have a shape that protrudes outward and then rises upward, and the fixed metal member extends downward. A base-isolated floor structure characterized by having a slope that slopes toward the bottom.
後に、更に内方に戻る形状に形成され、 前記固定金物は、前記傾斜面を形成した後に、直接内方
に戻り、又は下方に伸長した後に内方に戻る形状に形成
された、請求項1記載の免震床構造。2. The receiving metal member is formed to have a shape that returns to the inside after rising upward, and the fixed metal member directly returns to the inside or extends downward after forming the inclined surface. The seismic isolation floor structure according to claim 1, wherein the floor is formed to have a shape that returns inward after performing.
金物の上方に立ち上がった端部の内面と当接し、又は内
方に戻った端部の内面と当接する垂直面を形成した、請
求項1又は2記載の免震床構造。3. A vertical surface is formed at the base of the inclined surface of the fixed hardware, the vertical surface being in contact with the inner surface of the end rising above the receiving metal, or the inner surface of the end returning inward. The base-isolated floor structure according to claim 1 or 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993075531U JP2587927Y2 (en) | 1993-12-29 | 1993-12-29 | Base-isolated floor structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993075531U JP2587927Y2 (en) | 1993-12-29 | 1993-12-29 | Base-isolated floor structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0742835U JPH0742835U (en) | 1995-08-11 |
JP2587927Y2 true JP2587927Y2 (en) | 1998-12-24 |
Family
ID=13578902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1993075531U Expired - Lifetime JP2587927Y2 (en) | 1993-12-29 | 1993-12-29 | Base-isolated floor structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2587927Y2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5376680B2 (en) * | 2011-01-18 | 2013-12-25 | 日立機材株式会社 | Free access floor panel installation structure |
KR102026714B1 (en) * | 2019-04-26 | 2019-09-30 | 주식회사 에스앤와이시스템 | Access Floor with Seismic Isolator with Link Device between Activation Area and Deactivation Area |
-
1993
- 1993-12-29 JP JP1993075531U patent/JP2587927Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0742835U (en) | 1995-08-11 |
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