JP3422205B2 - Equipment for connecting members - Google Patents

Description

【発明の詳細な説明】 【０００１】 【発明が属する技術分野】本発明は、中空部材のように
相対向する側壁部を有する一方の部材と他方の部材とを
連結するのに用いられる部材の連結装置に関するもので
ある。 【０００２】 【従来の技術】この種の部材の連結装置としては、例え
ば図４に示すように、断面矩形の中空部材１００と、建
物躯体Ａに固定した２つの連結部材１０１，１０２を連
結するものがあった。連結装置は、ボルト１０３および
ナット１０４と、中空部材１００の内側に設ける潰れ防
止部材１０５を備えている。 【０００３】２つの連結部材１０１，１０２は、Ｌ型を
成し、各々の一片１０１ａ，１０２ａを中空部材Ｂの断
面寸法に応じた間隔をおいて相対向させた状態にして、
図示しないボルト類で建物躯体Ａに固定してある。潰れ
防止部材１０５は、四隅に突片を設けた中空の押出し形
材である。また、各部材１００，１０１，１０２，１０
５には、ボルト１０３の挿通部が形成してある。 【０００４】上記連結装置は、中空部材１００の端部か
ら潰れ防止部材１０５を挿入すると共に、ボルト１０３
を一方の連結部材１０１の一片１０１ａから、中空部材
１００および潰れ防止部材１０５に通して、他方の連結
部材１０２の一片１０２ａに貫通させ、同ボルト１０３
の貫通先端部にナット１０４を螺着することにより、中
空部材１００と両連結部材１０１，１０２とを連結して
いる。 【０００５】 【発明が解決しようとする課題】しかしながら、上記し
たような従来の部材の連結装置にあっては、潰れ防止部
材１０５を中空部材１００の端部から挿入するようにし
ていたため、中空部材１００のボルト挿通部分に対する
潰れ防止部材１０５の位置決めが非常に困難であるとい
う問題があり、このような問題を解決することが課題で
あった。 【０００６】 【発明の目的】本発明は、上記従来の課題に着目して成
されたもので、相対向する側壁部を有する一方の部材と
他方の部材とを連結用ボルトや潰れ防止部材を用いて連
結する装置において、充分な連結強度を得ることができ
ると共に、連結作業を簡単に行うことができる部材の連
結装置を提供することを目的としている。 【０００７】 【課題を解決するための手段】本発明に係わる部材の連
結装置は、請求項１として、連結用ボルトと、連結用ボ
ルトのおねじ部に対応するめねじ部を有する締結部材
と、連結用ボルトを挿通する潰れ防止部材を備え、一方
の部材は、相対向する第１および第２の側壁部を有する
と共に、第１側壁部に連結用ボルトを通す第１挿通部を
有し、且つ第２側壁部に潰れ防止部材を嵌挿する第２挿
通部を有し、他方の部材は、連結用ボルトを通すボルト
挿通部を有すると共に、一方の部材のいずれか一方の側
壁部の外側面に当接しており、潰れ防止部材は、連結用
ボルトの挿通部を外側に開放するスリットを軸線方向に
わたって有しており、潰れ防止部材の一端部を第１側壁
部の内側面に当接し且つ他端部を第２挿通部に嵌挿し、
潰れ防止部材に挿通した連結用ボルトと締結部材とで一
方の部材と他方の部材を連結してあり、潰れ防止部材の
軸線方向の長さが、少なくとも一方の部材の第１側壁部
の内側面から第２側壁部の外側面に至る長さである構成
としており、上記の構成を課題を解決するための手段と
している。 【０００８】 【発明の作用】本発明の請求項１に係わる部材の連結装
置では、一方の部材の第２挿通部に潰れ防止部材を嵌挿
し、一方の部材の第１挿通部、潰れ防止部材の挿通部お
よび他方の部材のボルト挿通部に連結用ボルトを通し、
連結用ボルトのおねじ部に対してめねじ部を有する締結
部材を螺着することにより、連結用ボルトと締結部材と
で一方の部材と他方の部材を連結する。ここで、潰れ防
止部材は、一方の部材の第２挿通部に直接嵌挿され、し
かも、挿通部を外側に開放するスリットを軸線方向にわ
たって有しているので、その断面中心側に撓ませること
が可能である。したがって、潰れ防止部材の取付けが簡
単であり、また、潰れ防止部材と第２挿通部との間にク
リアランスがなくても、潰れ防止部材を断面中心側に撓
ませることにより第２挿通部への嵌挿が容易なものとな
り、嵌挿後の潰れ防止部材は、第１側壁部への当接と第
２挿通部への係合により位置決めされる。 【００１０】さらに、潰れ防止部材の軸線方向の長さ
を、少なくとも一方の部材の第１側壁部の内側面から第
２側壁部の外側面に至る長さとしたので、連結用ボルト
と締結部材との締め付けによる一方の部材の変形が確実
に防止される。 【００１２】 【実施例】以下、図１〜図３を用いて、本発明に係わる
部材の連結装置の一実施例を説明する。この実施例で
は、カーテンウォールの方立と建物躯体に固定した２つ
の連結部材とを連結する場合を例示している。したがっ
て、本発明の請求の範囲に記載した一方の部材には押出
し形材から成る方立が該当し、他方の部材には２つの連
結部材が該当する。 【００１３】図１に示す部材の連結装置は、連結用ボル
ト３と、連結用ボルト３のおねじ部に対応しためねじ部
を有する締結部材としてのナット４と、方立５の内側に
設けて連結用ボルト３を挿通状態にする潰れ防止部材６
を備えている。 【００１４】方立５は、断面正方形の中空本体部５ａ
と、その一辺の中央から延出した断面Ｔ型の張出し部５
ｂを有しており、張出し部５ｂを設けた辺の両側の辺に
該当する部分が相対向する第１および第２の側壁部５
ｃ，５ｄである。この方立５は、中空本体部５ａの部分
で各連結部材１，２に連結され、中空本体部５ａと張出
し部５ｂの先端側との間には、外装材であるパネルやこ
のパネルを保持するための部材などが取付けられる。 【００１５】建物躯体Ａには第１および第２の連結部材
１，２が固定してある。両連結部材１，２は、Ｌ型を成
し、一方の片を部材連結片１ａ，２ａとし、他方の片を
固定用片１ｂ，２ｂとすると共に、部材連結片１ａ，２
ａにはボルト挿通部（孔）１ｃ，２ｃが設けてあり、各
々の部材連結片１ａ，２ａを方立５の中空本体部５ａの
断面寸法に応じた間隔をおいて相対向させた状態にし
て、各々の固定用片１ｂ，２ｂを建物躯体Ａに固定して
いる。なお、各固定用片１ｂ，２ｂの固定には、建物躯
体Ａに予め設けた植込みボルト７、ナット８およびプレ
ート９を用いる。 【００１６】潰れ防止部材６は、例えばアルミニウム合
金製であって、押出し加工により成形してある。この潰
れ防止部材６は、方立５の第１側壁部５ｃの内側面から
第２側壁部５ｄの外側面に至る長さを有し、連結用ボル
ト３の軸部の直径に対応した内径寸法の挿通部６ｂを有
して概略円筒状を成すと共に、挿通部６ｂを外側に開放
させるスリット１０がその軸線方向にわたって設けてあ
り、外周面には、図２に示すように、スリット１０の位
置から円周方向にほぼ９０度の間隔で３か所に凹部６ａ
が形成してある。この凹部６ａは、断面Ｖ型の溝状を成
し、潰れ防止部材６の軸線方向にわたって形成してあ
る。なお、潰れ防止部材６の挿通部６ｂと連結用ボルト
３の軸部とのクリアランスは、例えば、０．１〜０．２
ｍｍ程度である。 【００１７】また、方立５の中空本体部５ａにおいて、
第１連結部材１側である第１側壁部５ｃには、連結用ボ
ルト３を通す第１挿通部（孔）１１が設けてあり、第２
側壁部５ｄには、潰れ防止部材６を嵌挿する第２挿通部
（孔）１２が設けてある。ここで、第２挿通部１２は、
潰れ防止部材６の断面において、その外接円にほぼ相当
する直径で形成してある。 【００１８】上記の構成を備えた部材の連結装置では、
第２挿通部１２に潰れ防止部材６を嵌挿し、潰れ防止部
材６の一端部を第１側壁部５ｃに当接させると共に、潰
れ防止部材６の他端部を第２挿通部１２に係合させた状
態にし、第１連結部材１のボルト挿通部１ｃ、第１挿通
部１１、潰れ防止部材６の挿通部６ｂ、および第２連結
部材２のボルト挿通部２ｃの順に連結用ボルト３を通
し、この連結用ボルト３の先端側のおねじ部にナット４
を螺着する。なお、連結用ボルト３の頭部およびナット
４と、各連結部材１，２の間にはワッシャ１５，１６が
設けてある。これにより、当該部材の連結装置では、連
結用ボルト３とナット４とにより、方立５と第１および
第２の連結部材１，２を挟着連結している。 【００１９】ここで、潰れ防止部材６は、方立５の第２
挿通部１２に直接嵌挿されるので、取付けがきわめて簡
単である。また、潰れ防止部材６は、挿通部６ｂを外側
に開放させたスリット１０をその軸線方向にわたって有
しているので、その断面中心側に撓ませることが可能で
あり、しかも、外周面に凹部６ａを有するので、断面中
心側により撓み易い状態となっている。 【００２０】したがって、先述したように、第２挿通部
１２が潰れ防止部材６の断面に対する外接円にほぼ相当
する直径としてあって、潰れ防止部材６と第２挿通部１
２との間にクリアランスがなくても、潰れ防止部材６を
断面中心側に撓ませることにより第２挿通部１２への嵌
挿が容易である。また、図３に示すように、連結状態に
おいては潰れ防止部材が第２挿通部１２に係合してお
り、且つ潰れ防止部材６の挿通部６ｂと連結用ボルト３
の軸部とのクリアランスがきわめて小さいので、潰れ防
止部材６および方立５はがたつき等が生じることなく固
定される。 【００２１】潰れ防止部材６は、その軸線方向の長さ
が、少なくとも方立５の第１側壁部５ｃの内側面から第
２側壁部５ｄの外側面に至る長さであれば良く、連結用
ボルト３とナット４との締め付けによる方立５の変形を
確実に防止する。また、潰れ防止部材６が上記のものよ
りも長く、その結果、第２挿通部１２から突出する状態
となっても、潰れを防止する機能が何ら損なわれること
はなく、方立５と第１および第２の連結部材１，２を確
実に連結し得る。 【００２２】なお、上記実施例では、他方の部材として
建物躯体Ａに２つの連結部材１，２を設けた構成とした
が、方立５といずれか一方の連結部材だけでも実施可能
である。また、締結部材としては、上記実施例のナット
４のほかに、めねじ部を形成した別の部材を用いること
もあり得る。 【００２３】さらに、本発明に係わる部材の連結装置
は、上記実施例に示したカーテンウォールの方立の固定
に限らず、その他各種の部材の固定に用いることがで
き、とくに、潰れ防止部材にあっては、その断面形状を
適宜変更することができ、凹部を潰れ防止部材の内周面
に設けることも可能であり、また、凹部の数も上記実施
例のものに限定されることはない。 【００２４】 【発明の効果】本発明の請求項１に係わる部材の連結装
置によれば、相対向する側壁部を有する一方の部材と他
方の部材とを連結用ボルトや潰れ防止部材を用いて連結
する装置において、一方の部材に設けた第２挿通部に潰
れ防止部材を直接嵌挿すればよいので、作業をきわめて
簡単に行うことができると共に、充分な連結強度を得る
ことができ、また、潰れ防止部材とこれを嵌挿する第２
挿通部との間にクリアランスがなくても、潰れ防止部材
をスリットにより断面中心側に撓ませることでその嵌挿
作業を容易に行うことができ、また、連結状態において
は潰れ防止部材の一端部を第１側壁部に当接させ且つ他
端部を第２挿通部に係合させることにより、潰れ防止部
材および一方の部材にがたつき等の不具合が生じる恐れ
を解消することができ、部材同士を精度良く連結するこ
とができる。 【００２６】潰れ防止部材の軸線方向の長さを少なくと
も一方の部材の第１側壁部の内側面から第２側壁部の外
側面に至る長さにしたことから、連結用ボルトと締結部
材との締め付けによる一方の部材の変形を確実に防止す
ることができ、これにより良好な外観を得ることができ
る。また、潰れ防止部材を多少長くしても潰れ防止機能
が確保できるので、潰れ防止部材の寸法管理を容易にす
ることができる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a member used for connecting one member having opposing side walls, such as a hollow member, to the other member. The present invention relates to a coupling device. 2. Description of the Related Art As a connecting device for a member of this kind, for example, as shown in FIG. 4, a hollow member 100 having a rectangular cross section and two connecting members 101 and 102 fixed to a building frame A are connected. There was something. The coupling device includes a bolt 103 and a nut 104, and a crush prevention member 105 provided inside the hollow member 100. [0003] The two connecting members 101 and 102 form an L-shape, and the pieces 101a and 102a are opposed to each other at an interval corresponding to the cross-sectional dimension of the hollow member B.
It is fixed to the building frame A with bolts (not shown). The crush prevention member 105 is a hollow extruded profile having protrusions at four corners. Also, each member 100, 101, 102, 10
5 is provided with an insertion portion for the bolt 103. [0004] In the connecting device, the crush prevention member 105 is inserted from the end of the hollow member 100 and the bolt 103 is inserted.
From one piece 101a of one connecting member 101, through the hollow member 100 and the crush prevention member 105, and through one piece 102a of the other connecting member 102, and
The hollow member 100 and both connecting members 101 and 102 are connected by screwing a nut 104 to the penetrating tip of the connecting member. [0005] However, in the above-described conventional member connecting device, the crush prevention member 105 is inserted from the end of the hollow member 100, so that the hollow member is not provided. There is a problem that it is very difficult to position the crush prevention member 105 with respect to the 100 bolt insertion portions, and it has been a problem to solve such a problem. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and includes a connecting bolt and a collapsible preventing member formed by connecting one member having opposing side walls to the other member. It is an object of the present invention to provide a member connecting device that can obtain sufficient connecting strength and can easily perform a connecting operation in a device for connecting using. According to a first aspect of the present invention, there is provided a member connecting apparatus comprising: a connecting bolt; a fastening member having an internal thread corresponding to an external thread of the connecting bolt; A crush prevention member for inserting the connecting bolt, one of the members having first and second side walls facing each other, and a first insertion portion for passing the connecting bolt through the first side wall; The second side wall has a second insertion portion into which the crush prevention member is inserted, and the other member has a bolt insertion portion through which a connecting bolt is inserted, and is provided outside one of the side walls of one of the members. The crush prevention member is in contact with the side surface , the crush prevention member has a slit that opens the insertion portion of the connecting bolt to the outside in the axial direction, and one end of the crush prevention member abuts on the inner side surface of the first side wall portion. and fitted to the other end portion to the second insertion portion,
One member and the other member are connected by a connecting bolt and a fastening member inserted into the crush prevention member, and the length of the crush prevention member in the axial direction is the inner side surface of the first side wall of at least one member. And the length from the first side wall to the outer side surface of the second side wall portion, and the above configuration is used as means for solving the problem. In the member connecting device according to the first aspect of the present invention, the crush prevention member is inserted into the second insertion portion of one member, and the first insertion portion and the crush prevention member of one member. Pass the connecting bolt through the insertion part and the bolt insertion part of the other member,
One member and the other member are connected by the connection bolt and the fastening member by screwing the fastening member having the female thread portion to the external thread portion of the connection bolt. Here, the crush prevention member is directly fitted into the second insertion portion of one member, and has a slit that opens the insertion portion to the outside in the axial direction. Is possible. Therefore, the attachment of the crush prevention member is simple, and even if there is no clearance between the crush prevention member and the second insertion portion, the crush prevention member is bent toward the center of the cross section to be inserted into the second insertion portion. The insertion prevention becomes easy, and the crush prevention member after the insertion is positioned by the contact with the first side wall portion and the engagement with the second insertion portion. Further, since the length of the crush prevention member in the axial direction is set to be a length from the inner side surface of the first side wall portion to the outer side surface of the second side wall portion of at least one of the members, the connecting bolt, the fastening member and Deformation of one of the members due to the tightening is reliably prevented. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a member connecting device according to the present invention will be described below with reference to FIGS. This embodiment exemplifies a case in which a cubic of a curtain wall is connected to two connecting members fixed to a building frame. Accordingly, one member described in the claims of the present invention corresponds to a cubic formed of an extruded profile, and the other member corresponds to two connecting members. The member connecting device shown in FIG. 1 is provided inside a connecting bolt 3, a nut 4 as a fastening member having a threaded portion corresponding to an external thread of the connecting bolt 3, and a cubic 5. Prevention member 6 for bringing connection bolt 3 into insertion state
It has. The cubic 5 has a hollow main body 5a having a square cross section.
And a projecting portion 5 having a T-shaped cross section extending from the center of one side thereof.
b, and portions corresponding to both sides of the side where the overhang portion 5b is provided are opposed to each other.
c, 5d. The cubic 5 is connected to each of the connecting members 1 and 2 at the hollow main body 5a, and holds a panel as an exterior material and the panel between the hollow main body 5a and the tip end of the overhang 5b. And other members are attached. First and second connecting members 1 and 2 are fixed to the building frame A. The two connecting members 1 and 2 form an L shape, one of which is a member connecting piece 1a, 2a, the other is a fixing piece 1b, 2b, and the member connecting pieces 1a, 2b.
a is provided with bolt insertion portions (holes) 1c and 2c, and the member connecting pieces 1a and 2a are opposed to each other at an interval corresponding to the cross-sectional dimension of the hollow main body 5a of the cubic 5. Thus, the fixing pieces 1b and 2b are fixed to the building frame A. The fixing pieces 1b and 2b are fixed using the studs 7, nuts 8 and plates 9 provided in the building frame A in advance. The crush prevention member 6 is made of, for example, an aluminum alloy and is formed by extrusion. The crush prevention member 6 has a length from the inner side surface of the first side wall portion 5c of the cubic 5 to the outer side surface of the second side wall portion 5d, and has an inner diameter corresponding to the diameter of the shaft portion of the connecting bolt 3. And a slit 10 for opening the insertion portion 6b to the outside is provided along the axial direction thereof. The outer peripheral surface has a slit 10 as shown in FIG. Recesses 6a in three places at intervals of approximately 90 degrees in the circumferential direction from
Is formed. The recess 6 a has a V-shaped cross section and is formed in the axial direction of the crush prevention member 6. The clearance between the insertion portion 6b of the crush prevention member 6 and the shaft of the connecting bolt 3 is, for example, 0.1 to 0.2.
mm. In the hollow main body 5a of the cubic 5,
A first insertion portion (hole) 11 through which the connection bolt 3 is passed is provided in the first side wall portion 5c on the first connection member 1 side,
A second insertion portion (hole) 12 into which the crush prevention member 6 is inserted is provided in the side wall portion 5d. Here, the second insertion portion 12
In the cross section of the crush prevention member 6, the diameter is substantially equivalent to the circumscribed circle. In the member connecting device having the above configuration,
The crush prevention member 6 is fitted into the second insertion portion 12, one end of the crush prevention member 6 is brought into contact with the first side wall portion 5 c, and the other end of the crush prevention member 6 is engaged with the second insertion portion 12. The connection bolt 3 is passed through the bolt insertion portion 1c of the first connection member 1, the first insertion portion 11, the insertion portion 6b of the crush prevention member 6, and the bolt insertion portion 2c of the second connection member 2 in this order. A nut 4 is attached to the external thread of the connecting bolt 3.
Screw. Washers 15 and 16 are provided between the head and nut 4 of the connecting bolt 3 and the connecting members 1 and 2. Thereby, in the connecting device for the members, the ridge 5 and the first and second connecting members 1 and 2 are sandwiched and connected by the connecting bolts 3 and the nuts 4. Here, the crush prevention member 6 is formed by the second
Since it is directly inserted into the insertion portion 12, the mounting is extremely simple. Further, since the crush prevention member 6 has the slit 10 in which the insertion portion 6b is opened outward in the axial direction, the crush prevention member 6 can be bent toward the center of the cross section, and furthermore, the concave portion 6a is formed on the outer peripheral surface. , It is in a state of being more easily bent toward the center of the cross section. Therefore, as described above, the second insertion portion 12 has a diameter substantially equivalent to a circumscribed circle with respect to the cross section of the crush prevention member 6, and the crush prevention member 6 and the second insertion portion 1
Even if there is no clearance between the second insertion portion 12 and the second insertion portion 12, the crush prevention member 6 can be easily inserted into the second insertion portion 12 by bending the crush prevention member 6 toward the center of the cross section. As shown in FIG. 3, in the connected state, the crush prevention member is engaged with the second insertion portion 12, and the insertion portion 6 b of the crush prevention member 6 is connected to the connection bolt 3.
Is very small, the crush prevention member 6 and the cubic 5 are fixed without rattling or the like. The crush prevention member 6 only needs to have a length in the axial direction which is at least a length from the inner surface of the first side wall 5c to the outer surface of the second side wall 5d. The deformation of the ridge 5 due to the tightening of the bolt 3 and the nut 4 is reliably prevented. Further, even if the crush prevention member 6 is longer than that described above, and as a result, the crush prevention function is not impaired at all, even if the crush prevention member 6 projects from the second insertion portion 12, the cubic 5 and the first And the 2nd connection member 1 and 2 can be connected reliably. In the above embodiment, two connecting members 1 and 2 are provided on the building skeleton A as the other member. However, the present invention can also be implemented by using the cubic 5 and either one of the connecting members. Further, as the fastening member, in addition to the nut 4 of the above-described embodiment, another member having a female thread may be used. Furthermore, the member connecting device according to the present invention can be used not only for fixing the curtain wall as shown in the above embodiment but also for fixing various other members. Therefore, the cross-sectional shape can be appropriately changed, the concave portion can be provided on the inner peripheral surface of the crush prevention member, and the number of concave portions is not limited to that of the above embodiment. . According to the device for connecting members according to the first aspect of the present invention, one member having opposing side wall portions and the other member are connected by using a connecting bolt or a crush prevention member. In the connecting device, since the crush prevention member may be directly inserted into the second insertion portion provided on one member, the operation can be performed extremely easily, and a sufficient connection strength can be obtained. , A crush prevention member and a second
Even if there is no clearance between the insertion portion and the crush prevention member, the fitting operation can be easily performed by bending the crush prevention member toward the center of the cross section by the slit, and one end of the crush prevention member in the connected state. Abuts the first side wall portion and the other end portion engages with the second insertion portion, thereby eliminating the possibility of occurrence of problems such as rattling of the crush prevention member and one of the members. These can be connected with high accuracy. Since the length of the crush prevention member in the axial direction is set to be the length from the inner surface of the first side wall to the outer surface of the second side wall of at least one of the members, the connection bolt and the fastening member can be connected to each other. Deformation of one of the members due to tightening can be reliably prevented, whereby a good appearance can be obtained. Further, even if the crush prevention member is somewhat lengthened, the crush prevention function can be secured, so that the dimensional control of the crush prevention member can be facilitated.

【図面の簡単な説明】 【図１】本発明に係わる部材の連結装置の一実施例を説
明する断面図である。 【図２】図１に示す潰れ防止部材の端面図（ａ）および
側面図（ｂ）である。 【図３】第２挿通部に潰れ防止部材を嵌挿した状態を示
す断面図である。 【図４】従来の部材の連結装置を説明する断面図であ
る。 【符号の説明】 １ 第１連結部材（他方の部材） １ｃ ２ｃ ボルト挿通部 ２ 第２連結部材（第２の他方の部材） ３ 連結用ボルト ４ ナット（締結部材） ５ 方立（一方の部材） ５ｃ 第１側壁部 ５ｄ 第２側壁部 ６ 潰れ防止部材 ６ａ 凹部 ６ｂ 挿通部 １０ スリット １１ 第１挿通部 １２ 第２挿通部BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view illustrating an embodiment of a member connecting device according to the present invention. FIG. 2 is an end view (a) and a side view (b) of the crush prevention member shown in FIG. FIG. 3 is a cross-sectional view showing a state in which a crush prevention member is fitted into a second insertion portion. FIG. 4 is a cross-sectional view illustrating a conventional member connecting device. [Description of Signs] 1 First connection member (the other member) 1c 2c Bolt insertion portion 2 Second connection member (the second other member) 3 Connection bolt 4 Nut (fastening member) 5 Square (one member) 5c first side wall portion 5d second side wall portion 6 crush prevention member 6a concave portion 6b insertion portion 10 slit 11 first insertion portion 12 second insertion portion

Claims (1)

(57)【特許請求の範囲】 【請求項１】 連結用ボルトと、連結用ボルトのおね
じ部に対応するめねじ部を有する締結部材と、連結用ボ
ルトを挿通する潰れ防止部材を備え、一方の部材は、相
対向する第１および第２の側壁部を有すると共に、第１
側壁部に連結用ボルトを通す第１挿通部を有し、且つ第
２側壁部に潰れ防止部材を嵌挿する第２挿通部を有し、
他方の部材は、連結用ボルトを通すボルト挿通部を有す
ると共に、一方の部材のいずれか一方の側壁部の外側面
に当接しており、潰れ防止部材は、連結用ボルトの挿通
部を外側に開放するスリットを軸線方向にわたって有し
ており、潰れ防止部材の一端部を第１側壁部の内側面に
当接し且つ他端部を第２挿通部に嵌挿し、潰れ防止部材
に挿通した連結用ボルトと締結部材とで一方の部材と他
方の部材を連結してあり、潰れ防止部材の軸線方向の長
さが、少なくとも一方の部材の第１側壁部の内側面から
第２側壁部の外側面に至る長さであることを特徴とする
部材の連結装置。(57) [Claim 1] A connecting bolt, a fastening member having a female thread portion corresponding to an external thread portion of the connecting bolt, and a collapsible preventing member through which the connecting bolt is inserted, Member has opposing first and second side wall portions and has a first
A side wall portion having a first insertion portion through which a connecting bolt is passed, and a second side wall portion having a second insertion portion into which a crush prevention member is inserted;
The other member has a bolt insertion portion through which the connecting bolt passes, and is in contact with the outer surface of one of the side walls of the one member, and the crush prevention member moves the insertion portion of the connecting bolt outward. A connection slit having an opening slit extending in the axial direction, one end of the crush prevention member abutting on the inner side surface of the first side wall, and the other end of the crush prevention member inserted into the second insertion portion and inserted into the crush prevention member. One member and the other member are connected by a bolt and a fastening member, and the length of the crush prevention member in the axial direction is changed from the inner surface of the first side wall of at least one member to the outer surface of the second side wall. A member connecting device, characterized in that the length of the member is equal to the length of the member.