JP5698934B2 - Bracing for temporary scaffolding - Google Patents

Bracing for temporary scaffolding Download PDF

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JP5698934B2
JP5698934B2 JP2010177473A JP2010177473A JP5698934B2 JP 5698934 B2 JP5698934 B2 JP 5698934B2 JP 2010177473 A JP2010177473 A JP 2010177473A JP 2010177473 A JP2010177473 A JP 2010177473A JP 5698934 B2 JP5698934 B2 JP 5698934B2
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wedge
diagonal
horizontal
scaffolding
connecting portion
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JP2012036634A (en
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正吉 坪田
正吉 坪田
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KRH and Co Ltd
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本発明は、仮設足場用筋交いに関する。   The present invention relates to bracing for temporary scaffolds.

建築物等の工事等に際し、建築物の外周に仮設足場が設置される。この場合、まず複数本の支柱が所定間隔で配置される。各支柱間に足場板が架設されて一の階層の足場が形成される。そして、上方に支柱が順次継ぎ足され同様に足場板は架設されて複数階層の足場が形成される。このような仮設足場の架設作業にあっては、上方への足場の継ぎ足し作業の安全対策として、足場板を架設させる前に、斜材、水平材、または垂直材等の足場材を手すりとして先行して配置される。   Temporary scaffolding will be installed on the outer periphery of the building during construction work. In this case, first, a plurality of support columns are arranged at predetermined intervals. A scaffolding plate is installed between the columns to form a one-level scaffold. And the support | pillar is sequentially added upwards, and a scaffold board is constructed similarly, and the scaffold of several levels is formed. In the construction work of such a temporary scaffold, as a safety measure for the work of adding the scaffold upward, the scaffolding material such as diagonal, horizontal, or vertical is used as a handrail before the scaffold plate is constructed. Arranged.

足場材を配置する場合、仮設足場用筋交いが足場支柱のくさび受け(ホルダー)に対して取り外し可能に係着される。一般的な足場支柱の場合、図12に示すように、当該支柱の周囲に90°ずつ4箇所配置される(例えば特許文献1の図面等参照)。具体的には、下側くさび受け2は2a,2b,2c,2dから構成され、上側くさび受け3は3a,3b,3c,3dから構成される。上下のくさび受けは同形状である。図12に開示のくさび受けに斜材、水平材等を係着させる場合、斜材、水平材等は2本の足場支柱間で対向するくさび受け同士(例えば3aと3cの間)に係着される(特許文献1参照)。あるいは、斜材、水平材等は対向位置にあるくさび受けの左右いずれかのくさび受け同士(例えば2bと2bの間)に係着される(例えば、特許文献2、3、4等参照)。   When the scaffolding is arranged, the brace for temporary scaffolding is detachably attached to the wedge support (holder) of the scaffolding column. In the case of a general scaffold column, as shown in FIG. 12, it is arranged at four locations 90 ° around the column (see, for example, the drawings of Patent Document 1). Specifically, the lower wedge receiver 2 is composed of 2a, 2b, 2c and 2d, and the upper wedge receiver 3 is composed of 3a, 3b, 3c and 3d. The upper and lower wedge receivers have the same shape. When diagonal members, horizontal members, etc. are attached to the wedge receivers disclosed in FIG. 12, the diagonal members, horizontal members, etc. are attached to the opposite wedge receivers (for example, between 3a and 3c) between the two scaffold columns. (See Patent Document 1). Alternatively, the diagonal member, the horizontal member, and the like are engaged between the wedge receivers on the left and right of the wedge receivers at the opposite positions (for example, between 2b and 2b) (see, for example, Patent Documents 2, 3, 4, etc.).

足場支柱間に架設される斜材、水平材等においては、足場支柱のくさび受けに対して強固かつ簡便な係着のための改良が進められてきた(同特許文献2、3、4等参照)。しかしながら、斜材、水平材等と、これを受け入れるくさび受けの対応関係は固定化されているのが現実である。このため、仮設足場を施工する建築物の構造、現場における作業性等を勘案して、斜材、水平材等の係着に用いるくさび受けを柔軟に選択したいとの要望がある。また、現状、使用するくさび受けの位置に応じて斜材や水平材等の資材を調達しているため煩雑である。   In diagonal members, horizontal members, etc. installed between the scaffolding struts, improvements have been made for securing the scaffold strut wedges firmly and easily (see Patent Documents 2, 3, 4 etc.). ). However, in reality, the correspondence between the diagonal members, the horizontal members, and the like and the wedge receivers that accept them are fixed. For this reason, there is a demand to flexibly select a wedge receiver used for anchoring diagonal materials, horizontal materials, etc. in consideration of the structure of the building where the temporary scaffolding is constructed, workability at the site, and the like. Moreover, since materials such as diagonal materials and horizontal materials are procured according to the position of the wedge receiver to be used at present, it is complicated.

そこで、仮設足場用筋交いに備えられる斜材や水平材の側で足場支柱のくさび受けの取り付け位置の選択を可能とし、建築物の構造や現場作業に柔軟に対応可能な筋交いの構成が望まれるに至った。   Therefore, it is possible to select the mounting position of the wedge support of the scaffolding strut on the side of the diagonal material or horizontal material provided for the temporary scaffolding for the temporary scaffolding, and the configuration of the bracing that can flexibly respond to the structure of the building and field work is desired. It came to.

特開2008−261150号公報JP 2008-261150 A 特開2008−63903号公報JP 2008-63903 A 特開2008−75305号公報JP 2008-75305 A 特開2008−214994号公報JP 2008-214994 A

本発明は前記の点に鑑みなされたものであり、斜材や水平材の側で足場支柱のくさび受けの選択を可能とする構成を備え、足場支柱のくさび受け選択の自由度を高め、建築物の構造や現場作業に柔軟に対応することができる仮設足場用筋交いを提供するものである。   The present invention has been made in view of the above points, and has a configuration that enables selection of a wedge support for a scaffolding strut on the side of a diagonal member or a horizontal member. It is intended to provide a brace for temporary scaffolding that can flexibly cope with the structure of the object and the work on site.

すなわち、請求項1の発明は、足場支柱の間にX字状に配設され下側両端部に前記足場支柱に設けられた下側くさび受けに対して取り外し可能に係着される下側連結部を有する2つの斜材と、前記斜材の上側両端部に軸着され前記足場支柱に設けられた上側くさび受けに対して取り外し可能に係着される上側連結部を有する水平材とからなる仮設足場用筋交いにおいて、前記水平材の上側連結部には前記上側くさび受けに係着しかつ水平方向に溝部が形成された上側くさび部材を備え、前記上側くさび部材は前記水平材の端部の固定ピンに対して水平方向の第一位置と第二位置を移動可能に取り付けられているとともに、前記斜材の上端は円弧状端縁部として形成されていて、前記上側くさび部材が前記溝部に沿って第一位置と第二位置を横移動した際に前記円弧状端部が前記固定ピンに対して位置を回動して当接するように構成され、かつ、前記斜材の下側連結部には前記上側くさび部材の第一位置と第二位置の移動に対応して、斜材に対して第一位置と第二位置を移動可能な下側可動部材が取り付けられ、該下側可動部材に前記下側くさび受けに係着する下側くさび部材が配設されていることを特徴とする仮設足場用筋交いに係る。   That is, the invention of claim 1 is a lower connection that is disposed in an X shape between the scaffolding struts and is removably engaged with lower wedge receivers provided on the scaffolding struts at both lower ends. And a horizontal member having an upper connecting portion that is pivotally attached to both upper ends of the diagonal member and is removably attached to an upper wedge receiver provided on the scaffolding column. In the bracing for temporary scaffolding, the upper connecting portion of the horizontal member includes an upper wedge member that is engaged with the upper wedge receiver and has a groove portion formed in a horizontal direction, and the upper wedge member is provided at an end of the horizontal member. The upper end of the diagonal member is formed as an arcuate edge, and the upper wedge member is formed in the groove. Along the first position and the second position along The arcuate end is configured to rotate and come into contact with the fixed pin when moved, and the lower connecting portion of the diagonal member has a first position of the upper wedge member. Corresponding to the movement of the second position, a lower movable member that can move between the first position and the second position is attached to the diagonal member, and the lower movable member is engaged with the lower wedge receiver. The present invention relates to a brace for temporary scaffolding, wherein a side wedge member is provided.

請求項2の発明は、前記下側連結部の下側可動部材が前記斜材の下端部に形成された下溝部に係着して移動する支持ピン部を備えた請求項1に記載の仮設足場用筋交いに係る。   According to a second aspect of the present invention, the lower movable member of the lower connecting portion includes a support pin portion that moves while being engaged with a lower groove portion formed at a lower end portion of the diagonal member. Related to bracing for scaffolding.

請求項3の発明は、前記水平材の端部が前記上側くさび部材を上下から挟持するくさび部材上保持部及びくさび部材下保持部を備える請求項1または2に記載の仮設足場用筋交いに係る。   The invention according to claim 3 relates to the bracing of the temporary scaffold according to claim 1 or 2, wherein the end portion of the horizontal member includes a wedge member upper holding portion and a wedge member lower holding portion for holding the upper wedge member from above and below. .

請求項1の発明に係る仮設足場用筋交いによると、足場支柱の間にX字状に配設され下側両端部に前記足場支柱に設けられた下側くさび受けに対して取り外し可能に係着される下側連結部を有する2つの斜材と、前記斜材の上側両端部に軸着され前記足場支柱に設けられた上側くさび受けに対して取り外し可能に係着される上側連結部を有する水平材とからなる仮設足場用筋交いにおいて、前記水平材の上側連結部には前記上側くさび受けに係着しかつ水平方向に溝部が形成された上側くさび部材を備え、前記上側くさび部材は前記水平材の端部の固定ピンに対して水平方向の第一位置と第二位置を移動可能に取り付けられているとともに、前記斜材の上端は円弧状端縁部として形成されていて、前記上側くさび部材が前記溝部に沿って第一位置と第二位置を横移動した際に前記円弧状端部が前記固定ピンに対して位置を回動して当接するように構成され、かつ、前記斜材の下側連結部には前記上側くさび部材の第一位置と第二位置の移動に対応して、斜材に対して第一位置と第二位置を移動可能な下側可動部材が取り付けられ、該下側可動部材に前記下側くさび受けに係着する下側くさび部材が配設されているため、斜材や水平材の側で足場支柱のくさび受けの選択を可能とする構成を備え、足場支柱のくさび受け選択の自由度を高め、建築物の構造や現場作業に柔軟に対応することができる。また、仮設足場用筋交い自体が足場支柱のくさび受けの位置に対応できるため、個々の足場支柱のくさび受けの位置に合わせて資材を用意することなく、資材量の抑制も可能となる。   According to the brace for a temporary scaffold according to the first aspect of the present invention, it is disposed in an X-shape between the scaffold struts and is removably attached to the lower wedge receivers provided on the scaffold struts at both lower ends. Two diagonal members having a lower connecting portion, and an upper connecting portion pivotally attached to both upper end portions of the diagonal member and removably attached to an upper wedge receiver provided on the scaffolding column. In the brace for temporary scaffolding composed of a horizontal member, the upper connecting portion of the horizontal member includes an upper wedge member that is engaged with the upper wedge receiver and has a groove portion formed in a horizontal direction, and the upper wedge member is the horizontal wedge member. The upper end of the diagonal member is formed as an arcuate edge, and is attached to the fixing pin at the end of the member so as to be movable in a first position and a second position in the horizontal direction. The member is first along the groove The arcuate end portion is configured to rotate and abut against the fixed pin when the device is moved laterally with the second position, and the lower connecting portion of the diagonal member has the upper side Corresponding to the movement of the first and second positions of the wedge member, a lower movable member that can move between the first position and the second position with respect to the diagonal member is attached, and the lower movable member is attached to the lower movable member. Since the lower wedge member that is engaged with the wedge holder is provided, the structure has a configuration that allows the selection of the wedge support of the scaffolding column on the side of the diagonal or horizontal material, and the degree of freedom in selecting the wedge support of the scaffolding column And can respond flexibly to the structure of buildings and field work. Further, since the bracing for temporary scaffolding itself can correspond to the position of the wedge support of the scaffold column, it is possible to suppress the amount of material without preparing the material according to the position of the wedge support of each scaffold column.

請求項2の発明に係る仮設足場用筋交いによると、請求項1において、前記下側連結部の下側可動部材が前記斜材の下端部に形成された下溝部に係着して移動する支持ピン部を備えたため、比較的単純な構造により斜材に生じる位置ずれに容易に対応することができるができる。 According to the brace for temporary scaffolding according to the invention of claim 2, the support in which the lower movable member of the lower connecting portion is engaged with the lower groove portion formed at the lower end portion of the diagonal member and moves according to claim 1 Since the pin portion is provided, it is possible to easily cope with the positional deviation generated in the diagonal member with a relatively simple structure.

請求項3の発明に係る仮設足場用筋交いによると、請求項1または2において、前記水平材の端部が前記上側くさび部材を上下から挟持するくさび部材上保持部及びくさび部材下保持部を備えるため、上側くさび部材と水平材は水平方向のみの移動に規制される。このため、上側くさび部材と水平材との保持性能は良くなり、上側くさび部材の第一位置と第二位置の移動が円滑となり仮設足場用筋交いの取り扱いの利便性が高まる。   According to the brace for temporary scaffolding according to the invention of claim 3, in claim 1 or 2, the end portion of the horizontal member includes a wedge member upper holding portion and a wedge member lower holding portion for holding the upper wedge member from above and below. Therefore, the upper wedge member and the horizontal member are restricted to movement only in the horizontal direction. For this reason, the holding | maintenance performance of an upper wedge member and a horizontal material becomes good, the movement of the 1st position of an upper wedge member and a 2nd position becomes smooth, and the convenience of handling the bracing for temporary scaffolding increases.

本発明の一実施例に係る仮設足場用筋交いの正面図である。It is a front view of the bracing for temporary scaffolding which concerns on one Example of this invention. 上側連結部付近の主要上面図である。It is a principal top view near an upper side connection part. 上側連結部の主要部分解斜視図である。It is a principal part disassembled perspective view of an upper side connection part. 上側くさび部材の第一位置を示す正面図である。It is a front view which shows the 1st position of an upper wedge member. 上側くさび部材の第二位置を示す正面図である。It is a front view which shows the 2nd position of an upper wedge member. 下側可動部材の第一位置を示す正面図である。It is a front view which shows the 1st position of a lower side movable member. 下側可動部材の第二位置を示す正面図である。It is a front view which shows the 2nd position of a lower side movable member. 下側連結部付近の主要上面図である。It is a principal top view near a lower side connection part. 他の例に係る下側連結部の主要部正面図である。It is a principal part front view of the lower side connection part which concerns on another example. 他の実施例に係る上側連結部の主要部分解斜視図である。It is a principal part disassembled perspective view of the upper side connection part which concerns on another Example. 図10の上側連結部の主要部縦断面図である。It is a principal part longitudinal cross-sectional view of the upper side connection part of FIG. 足場支柱の斜視図である。It is a perspective view of a scaffolding column.

実施例の仮設足場用筋交い10は、図1に示すように、足場支柱1,1の間に架設される2本の斜材12,12と水平材11を有してなる。斜材12,12は足場支柱1,1の間に交差してX字状に配設される。両方の斜材12の下端部16には下側連結部20がそれぞれ備えられる。足場支柱1に設けられた下側くさび受け2に対して下側連結部20は取り外し可能に係着される。また、両方の斜材12,12の上端14には水平材11が軸着され、この水平材11の両端に、足場支柱1に設けられた上側くさび受け3に対して取り外し可能に係着される上側連結部40が備えられる。   As shown in FIG. 1, the brace 10 for temporary scaffolding of the embodiment includes two diagonal members 12 and 12 and a horizontal member 11 that are laid between the scaffolding struts 1 and 1. The diagonal members 12 and 12 are arranged in an X shape so as to intersect between the scaffolding columns 1 and 1. The lower connecting portions 20 are respectively provided at the lower end portions 16 of both diagonal members 12. The lower connecting portion 20 is detachably attached to the lower wedge receiver 2 provided on the scaffolding column 1. In addition, a horizontal member 11 is pivotally attached to the upper ends 14 of both diagonal members 12, 12 and is attached to both ends of the horizontal member 11 so as to be removable with respect to the upper wedge receiver 3 provided on the scaffolding column 1. The upper connection part 40 is provided.

足場支柱1における下側くさび受け2(2a,2b,2c,2d)及び上側くさび受け3(3a,3b,3c,3d)の配置、構造は、背景技術にて開示した図12の足場支柱1におけるくさび受けの構造と同様である。また、上側くさび受けと下側くさび受けは同形状である。本明細書においては説明の便宜上、足場支柱のくさび受けを上下で区別している。   The arrangement and structure of the lower wedge receiver 2 (2a, 2b, 2c, 2d) and the upper wedge receiver 3 (3a, 3b, 3c, 3d) in the scaffold column 1 are the same as the scaffold column 1 of FIG. 12 disclosed in the background art. This is the same as the structure of the wedge receiver in FIG. The upper wedge receiver and the lower wedge receiver have the same shape. In the present specification, for convenience of explanation, the wedge holders of the scaffolding columns are distinguished from each other.

実施例の上側連結部40の構造について、図2及び図3を用いて説明する。図2は上側連結部40付近の主要上面図から把握されるように、上側連結部40は、紙面下方から斜材12、水平材11、上側くさび部材50、及び補助板部材60の順に配置される。そして、軸支ピン45が前記の4種類の部材を貫通しており、それぞれの部材は摺動自在に重ね合わせられる。また、固定ピン41が上側くさび部材50及び補助板部材60に挿通される。   The structure of the upper connection part 40 of an Example is demonstrated using FIG.2 and FIG.3. As can be understood from FIG. 2 from the main top view in the vicinity of the upper connecting portion 40, the upper connecting portion 40 is arranged in the order of the diagonal member 12, the horizontal member 11, the upper wedge member 50, and the auxiliary plate member 60 from the lower side of the drawing. The And the axial support pin 45 has penetrated said 4 types of members, and each member is slidably overlapped. Further, the fixing pin 41 is inserted through the upper wedge member 50 and the auxiliary plate member 60.

続いて示す図3は上側連結部40の主要分解斜視図である。斜材12に軸支穴17が形成され、水平材11にその長手方向に長穴となる軸支溝穴43が形成され、上側くさび部材50に軸支穴55が形成され、補助板部材60にその長手方向に長穴となる軸支溝穴65が形成される。そこで、前記の軸支穴17、軸支溝穴43、軸支穴55、軸支溝穴65に軸支ピン45が貫通される。図示の各穴の形状から把握されるように、斜材12及び上側くさび部材50は回動のみである。これに対し、水平材11及び補助板部材60は回動に加えて横移動(水平材の長手方向への移動)も可能である。   FIG. 3 is a main exploded perspective view of the upper connecting portion 40. A shaft support hole 17 is formed in the diagonal member 12, a shaft support groove hole 43 that is a long hole in the longitudinal direction is formed in the horizontal member 11, a shaft support hole 55 is formed in the upper wedge member 50, and the auxiliary plate member 60. In the longitudinal direction, a shaft support groove hole 65 which is a long hole is formed. Therefore, the shaft support pin 45 passes through the shaft support hole 17, the shaft support groove hole 43, the shaft support hole 55, and the shaft support groove hole 65. As can be understood from the shape of each hole shown in the drawing, the diagonal member 12 and the upper wedge member 50 are only rotated. On the other hand, the horizontal member 11 and the auxiliary plate member 60 can be moved laterally (moving in the longitudinal direction of the horizontal member) in addition to rotation.

水平材11に備えられる上側連結部40において、上側くさび部材50には、上側くさび受け3に係着しかつ水平方向に長穴となる溝部51が形成される。この溝部51と補助板部材60の固定ピン穴61に固定ピン41が挿通される。同様に図示の両穴の形状から把握されるように、補助板部材60は上側くさび部材50に対して水平方向に長穴形状の分だけ移動可能である。   In the upper connecting portion 40 provided in the horizontal member 11, the upper wedge member 50 is formed with a groove portion 51 that is engaged with the upper wedge receiver 3 and becomes a long hole in the horizontal direction. The fixing pin 41 is inserted into the groove 51 and the fixing pin hole 61 of the auxiliary plate member 60. Similarly, as can be understood from the shapes of both holes shown in the drawing, the auxiliary plate member 60 can move in the horizontal direction by the length of the long hole shape with respect to the upper wedge member 50.

上側くさび部材50は水平材11の端部42の固定ピン41に対して水平方向の第一位置と第二位置(ともに後出)を移動可能となるように取り付けられる。上側くさび部材50には上短脚部52及び上長脚部53が備えられ、両脚部52,53の間に上脚間部54が形成される。そこで、上側くさび受け3に上短脚部52及び上長脚部53が差し込まれることにより、上側くさび受け3は上脚間部54により挟持され、上側くさび受け3と上側連結部40は係着される。上長脚部53の先端には鉤部56が形成される。鉤部56は、上側くさび受け3と上側くさび部材50との固定性(引っかかり具合)を向上させるためである(図4及び図5参照)。   The upper wedge member 50 is attached so as to be movable in a horizontal first position and a second position (both described later) with respect to the fixing pin 41 of the end portion 42 of the horizontal member 11. The upper wedge member 50 is provided with an upper short leg portion 52 and an upper long leg portion 53, and an upper leg portion 54 is formed between the both leg portions 52, 53. Therefore, when the upper short leg portion 52 and the upper long leg portion 53 are inserted into the upper wedge receiver 3, the upper wedge receiver 3 is sandwiched by the upper leg portion 54, and the upper wedge receiver 3 and the upper connecting portion 40 are engaged. Is done. A flange 56 is formed at the tip of the upper long leg 53. The eaves part 56 is for improving the fixing property (hook condition) between the upper wedge receiver 3 and the upper wedge member 50 (see FIGS. 4 and 5).

斜材12の上端14は円弧状端縁部15として形成されている。そのため、上側くさび部材50が溝部51に沿って第一位置と第二位置(ともに後出)の間を横移動(水平材の長手方向への移動)した際、斜材12は固定ピン41に対して円弧状端縁部15の位置を回動させながら当接可能な構成となる。これは、斜材12と水平材11が成す角度を変化させる際、固定ピン41に斜材12の円弧状端縁部15がほぼ常に当接することにより、斜材12と水平材11との角度変形を安定化させることができる。   The upper end 14 of the diagonal member 12 is formed as an arcuate edge 15. Therefore, when the upper wedge member 50 moves laterally (moves in the longitudinal direction of the horizontal member) between the first position and the second position (both described later) along the groove 51, the diagonal member 12 moves to the fixing pin 41. On the other hand, it becomes a structure which can contact | abut, rotating the position of the circular-arc-shaped edge 15. This is because when the angle between the diagonal member 12 and the horizontal member 11 is changed, the arc-shaped end edge 15 of the diagonal member 12 almost always abuts against the fixing pin 41, so that the angle between the diagonal member 12 and the horizontal member 11 is increased. Deformation can be stabilized.

実施例の上側連結部40では補助板部材60も備えられる。補助板部材60は規制片部62を有する。斜材12は軸支ピン45により上側くさび部材50及び水平材11と回動自在に軸着されている。このため、仮に規制片部62がない場合、斜材12は不用意に回動し易くなる。すると、上側連結部40を上側くさび受け3(3a,3b,3c,3d)に係着する際の取り扱いが煩雑になりやすい。そこで、補助板部材60とともに規制片部62が備えられる。前掲の図2から把握されるように、規制片部62は斜材12の上部に被さる位置関係となる。斜材12は規制片部62の抵抗を受けるため、必要以上に斜材12が持ち上がるような回動は抑制される。   In the upper connection part 40 of the embodiment, an auxiliary plate member 60 is also provided. The auxiliary plate member 60 has a restriction piece 62. The diagonal member 12 is pivotally attached to the upper wedge member 50 and the horizontal member 11 by a pivot pin 45 so as to be rotatable. For this reason, if there is no restriction piece 62, the diagonal member 12 easily turns carelessly. Then, the handling at the time of engaging the upper connection part 40 to the upper wedge receiver 3 (3a, 3b, 3c, 3d) tends to become complicated. Therefore, the restriction piece 62 is provided together with the auxiliary plate member 60. As can be understood from FIG. 2 described above, the restriction piece 62 has a positional relationship covering the upper portion of the diagonal member 12. Since the diagonal member 12 receives the resistance of the restricting piece 62, the rotation of the diagonal member 12 to be lifted more than necessary is suppressed.

図4及び図5の主要部正面図を用い上側連結部40の上側くさび部材50における第一位置と第二位置の関係を説明する。図4は、上側連結部40を足場支柱1,1間で対向するくさび受けの側方に配置されたくさび受けに係着した状態を示す。具体的には、水平材11の両端の上側連結部40,40が足場支柱1,1の上側くさび受け3bと3b(図12参照)に係着された状態である。   The relationship between the first position and the second position in the upper wedge member 50 of the upper connecting portion 40 will be described using the front view of the main part of FIGS. 4 and 5. FIG. 4 shows a state in which the upper connecting portion 40 is engaged with a wedge receiver disposed on the side of the wedge receiver facing the scaffolding columns 1 and 1. Specifically, the upper connecting portions 40 and 40 at both ends of the horizontal member 11 are engaged with the upper wedge receivers 3b and 3b (see FIG. 12) of the scaffolding columns 1 and 1.

上側くさび受け3b,3b間の係着の場合、水平材11の両端に配された上側連結部40の上側くさび部材50同士の間隔を所定量伸ばす必要がある。そこで、実施例の上側連結部40にあっては、前述のとおり水平材11の両端部42に長手方向に長穴となる軸支溝穴43が形成されている。このため、上側くさび部材50と斜材12は軸支ピン45の軸支により回動のみ許容されるものの、上側くさび部材50と水平材11については水平方向の位置移動が容易となる。斜材12については足場支柱1に対する角度が変化するともに、後述する下側連結部20においても位置調整が行われる。当該図4の上側くさび部材50と水平材11の位置関係が第一位置である。実施例において、第一位置を構成しているときの斜材と足場支柱の成す角度は60.5°である。 In the case of the engagement between the upper wedge receivers 3b, 3b, it is necessary to extend the distance between the upper wedge members 50 of the upper connecting portion 40 disposed at both ends of the horizontal member 11 by a predetermined amount. Therefore, in the upper connecting portion 40 of the embodiment, the shaft support groove holes 43 that are elongated holes in the longitudinal direction are formed in the both end portions 42 of the horizontal member 11 as described above. Therefore, although the upper wedge member 50 and the diagonal member 12 are only allowed to rotate by the shaft support of the shaft support pin 45, the horizontal wedge member 50 and the horizontal member 11 can be easily moved in the horizontal direction. The angle of the diagonal member 12 with respect to the scaffolding column 1 is changed, and the position of the diagonal member 12 is also adjusted in the lower connecting portion 20 described later. The positional relationship between the upper wedge member 50 and the horizontal member 11 in FIG. 4 is the first position. In the embodiment, the angle formed between the diagonal member and the scaffolding strut when constituting the first position is 60.5 °.

図5は上側連結部40を足場支柱1,1間で対向するくさび受けに係着した状態を示す。具体的には、水平材11の両端の上側連結部40,40が足場支柱1,1の上側くさび受け3cと3a(図12参照)に係着される。上側くさび受け3c,3a間の係着の場合、水平材11の両端に配された上側連結部40の上側くさび部材50,50同士の間隔は、前記の第一位置のときよりも所定量縮められる。そこで、実施例の上側連結部40にあっては、図5でも水平材11の両端部42に形成された軸支溝穴43のため、上側くさび部材50と水平材11については水平方向の位置移動が容易となる。斜材12については足場支柱1に対する角度が変化するともに、後述する下側連結部20においても位置調整が行われる。当該図5の上側くさび部材50と水平材11の位置関係が第二位置である。実施例において、第二位置を構成しているときの斜材と足場支柱の成す角度は59.5°である。 FIG. 5 shows a state in which the upper connecting portion 40 is engaged with the wedge receivers facing each other between the scaffolding columns 1 and 1. Specifically, the upper connecting portions 40 and 40 at both ends of the horizontal member 11 are engaged with the upper wedge receivers 3c and 3a (see FIG. 12) of the scaffolding columns 1 and 1. In the case of engagement between the upper wedge receivers 3c and 3a, the distance between the upper wedge members 50 and 50 of the upper connecting portion 40 disposed at both ends of the horizontal member 11 is reduced by a predetermined amount compared to the first position. It is done. Therefore, in the upper connection portion 40 of the embodiment, the upper wedge member 50 and the horizontal member 11 are positioned in the horizontal direction because of the shaft support groove holes 43 formed in both end portions 42 of the horizontal member 11 in FIG. Easy to move. The angle of the diagonal member 12 with respect to the scaffolding column 1 is changed, and the position of the diagonal member 12 is also adjusted in the lower connecting portion 20 described later. The positional relationship between the upper wedge member 50 and the horizontal member 11 in FIG. 5 is the second position. In the embodiment, the angle formed between the diagonal and the scaffolding strut when constituting the second position is 59.5 °.

続いて図6ないし図8を用い、下側連結部の構造及び下側連結部と足場支柱の下側くさび受け2との係着の位置関係を説明する。斜材12の下側連結部20には、上側くさび部材50の第一位置(図4)と第二位置(図5)の移動に対応して、斜材12に対して第一位置(図6)と第二位置(図7)を移動可能な下側可動部材30が取り付けられる。そして、下側可動部材30には下側くさび受けに係着する下側くさび部材25が配設されている。   Next, the structure of the lower connecting portion and the positional relationship of engagement between the lower connecting portion and the lower wedge receiver 2 of the scaffolding column will be described with reference to FIGS. The lower connecting portion 20 of the diagonal member 12 has a first position (see FIG. 4) relative to the diagonal member 12 corresponding to the movement of the upper wedge member 50 in the first position (FIG. 4) and the second position (FIG. 5). 6) and a lower movable member 30 that can move between the second position (FIG. 7) is attached. The lower movable member 30 is provided with a lower wedge member 25 that engages with the lower wedge receiver.

下側連結部20は、2枚の本体板部21,22を梁部24(板連結部)により連結している(特に図8参照)。そして、梁部24の直上に下側くさび部材25が載置される。下側くさび部材25には下長脚部26、下短脚部27が備えられ、両脚部26,27の間に下脚間部28が形成される。下長脚部26の先端に適宜の抜け止め部29も備えられる。   The lower connecting portion 20 connects the two main body plate portions 21 and 22 by a beam portion 24 (plate connecting portion) (see particularly FIG. 8). Then, the lower wedge member 25 is placed immediately above the beam portion 24. The lower wedge member 25 includes a lower long leg portion 26 and a lower short leg portion 27, and a lower leg portion 28 is formed between the leg portions 26 and 27. An appropriate retaining portion 29 is also provided at the tip of the lower long leg portion 26.

図6及び図7の下側連結部20の主要部正面図からよくわかるように、下側くさび受け2と下側連結部20の梁部24は当接しており、ここに下側くさび部材25が押下される。下側くさび受け2と梁部24は下側くさび部材25により挟持され、下側連結部20と下側くさび受けの係着は完了する。本体板部21,22の中央には、同本体板部を貫通するくさび保持部23が備えられる。くさび保持部23に下側くさび部材25の下長脚部26は接触するため、下側連結部20と下側くさび受け2との係着の際、本体板部21,22内に介挿された下側くさび部材25の不用意な位置ずれ等が抑制されることにより下側くさび部材25の固定性が増す。   6 and 7, the lower wedge receiver 2 and the beam portion 24 of the lower connection portion 20 are in contact with each other, and the lower wedge member 25 is in contact therewith. Is pressed. The lower wedge receiver 2 and the beam portion 24 are sandwiched by the lower wedge member 25, and the engagement between the lower connecting portion 20 and the lower wedge receiver is completed. In the center of the main body plate portions 21 and 22, a wedge holding portion 23 penetrating the main body plate portion is provided. Since the lower long leg portion 26 of the lower wedge member 25 is in contact with the wedge holding portion 23, the lower plate portion 25 is inserted into the main body plate portions 21 and 22 when the lower connection portion 20 and the lower wedge receiver 2 are engaged. In addition, since the inadequate displacement of the lower wedge member 25 is suppressed, the fixability of the lower wedge member 25 is increased.

下側連結部20の下側可動部材30において梁部24と逆側には支持ピン部32が本体板部21,22を貫通して備えられる(図8参照)。支持ピン部32は斜材12の下端部16に形成された下溝部31に係着している。斜材12の下溝部31は支持ピン部32を通じて移動可能となる。実施例の下側可動部材30の下溝部31は正面視コ字状に斜材12を貫通する溝穴として形成されている。そして、支持ピン部32と当接して同支持ピン部との引っかかりを良くするため、下溝部31に前進溝穴35及び後退溝穴36が穿設される(図6、図7参照)。   In the lower movable member 30 of the lower connecting portion 20, a support pin portion 32 is provided through the main body plate portions 21 and 22 on the opposite side to the beam portion 24 (see FIG. 8). The support pin portion 32 is engaged with a lower groove portion 31 formed at the lower end portion 16 of the diagonal member 12. The lower groove portion 31 of the diagonal member 12 can be moved through the support pin portion 32. The lower groove portion 31 of the lower movable member 30 of the embodiment is formed as a groove hole penetrating the diagonal member 12 in a U shape in front view. And in order to contact with the support pin part 32 and to get caught by the support pin part, the advance groove hole 35 and the retreat groove hole 36 are drilled in the lower groove part 31 (refer FIG. 6, FIG. 7).

ここで、図6は斜材12の下端部16に備えられた下側連結部20と、足場支柱1,1間で対向するくさび受けの側方に配置されたくさび受けとの係着状態を示す。図示の状態では足場支柱1の下側くさび受け2bと2b(図12参照)に斜材の両端の下側連結部20,20が係着される。   Here, FIG. 6 shows a state of engagement between the lower connecting portion 20 provided at the lower end portion 16 of the diagonal member 12 and the wedge receiver disposed on the side of the wedge receiver facing between the scaffolding columns 1 and 1. Show. In the state shown in the drawing, the lower connecting portions 20 and 20 of the diagonal members are engaged with the lower wedge receivers 2b and 2b (see FIG. 12) of the scaffold column 1.

図6における下側くさび受け2の選択は、前出の図4にて図示した上側連結部40(上側くさび部材50)の第一位置に対応する。図6の場合、既に図4にて説明のとおり上側連結部40(上側くさび部材50)が第一位置であることから、斜材12は足場支柱1,1間の対角線方向上で伸ばした配置となる。この場合、下溝部31に沿って支持ピン部32は移動して、斜材12を最も長くすることができる位置が選択される。そこで、支持ピン部32が下溝部31の端の前進溝穴35に当設される。これに応じて斜材12と下側くさび部材25との位置関係も規定される。よって、図6は上側くさび部材50の第一位置に対応する斜材12についての第一位置の位置関係を示す。   The selection of the lower wedge receiver 2 in FIG. 6 corresponds to the first position of the upper connecting portion 40 (upper wedge member 50) illustrated in FIG. In the case of FIG. 6, since the upper connecting portion 40 (upper wedge member 50) is already in the first position as described with reference to FIG. 4, the diagonal member 12 is disposed so as to extend diagonally between the scaffolding columns 1 and 1. It becomes. In this case, the support pin part 32 moves along the lower groove part 31, and the position where the diagonal member 12 can be made the longest is selected. Therefore, the support pin portion 32 is abutted against the advance groove hole 35 at the end of the lower groove portion 31. Accordingly, the positional relationship between the diagonal member 12 and the lower wedge member 25 is also defined. Accordingly, FIG. 6 shows the positional relationship of the first position for the diagonal member 12 corresponding to the first position of the upper wedge member 50.

続く図7における下側くさび受け2の選択は、前出の図5にて図示した上側連結部40(上側くさび部材50)の第二位置に対応する。図7の場合、既に図5にて説明のとおり上側連結部40(上側くさび部材50)が第二位置であることから、斜材12は足場支柱1,1間の対角線方向上で縮めた配置となる。この場合、下溝部31に沿って支持ピン部32は移動して、斜材12を最も短くすることができる位置が選択される。そこで、支持ピン部32が下溝部31の端の後退溝穴36に当設される。これに応じて斜材12と下側くさび部材25との位置関係も規定される。よって、図7は上側くさび部材50の第二位置に対応する斜材12についての第二位置の位置関係を示す。   The subsequent selection of the lower wedge receiver 2 in FIG. 7 corresponds to the second position of the upper connecting portion 40 (upper wedge member 50) shown in FIG. In the case of FIG. 7, since the upper connecting portion 40 (upper wedge member 50) is in the second position as already described with reference to FIG. 5, the diagonal member 12 is arranged in a diagonal direction between the scaffolding columns 1 and 1. It becomes. In this case, the support pin portion 32 moves along the lower groove portion 31, and a position where the diagonal member 12 can be shortened is selected. Therefore, the support pin portion 32 is abutted against the receding groove hole 36 at the end of the lower groove portion 31. Accordingly, the positional relationship between the diagonal member 12 and the lower wedge member 25 is also defined. Accordingly, FIG. 7 shows the positional relationship of the second position with respect to the diagonal member 12 corresponding to the second position of the upper wedge member 50.

図9は他の実施例に係る下側連結部20の下側可動部材30Aの主要部正面図である。同図示では、斜材12の下端部16に複数箇所(図示では2箇所)の保持貫通穴39が設けられる。図9では斜材12についての第二位置となるため、斜材12を最も短くする必要がある。そこで、保持貫通穴39のうちから後退貫通穴31aが選択され、ここに貫通支持ピン32aが挿通され、本体板部21,22と固定される。後退貫通穴31aは貫通支持ピン32aと回動可能である。   FIG. 9 is a front view of the main part of the lower movable member 30A of the lower connecting part 20 according to another embodiment. In the drawing, a plurality of (two in the drawing) holding through holes 39 are provided in the lower end portion 16 of the diagonal member 12. In FIG. 9, since it becomes the 2nd position about the diagonal member 12, it is necessary to make the diagonal member 12 the shortest. Therefore, the retreat through hole 31a is selected from the holding through holes 39, and the through support pins 32a are inserted into the retreat through holes 31a and fixed to the main body plate portions 21 and 22. The receding through hole 31a is rotatable with the through support pin 32a.

図示しないが下側可動部材30Aについて図6の下側くさび受け2を選択した場合にあっては、前進貫通穴31bが選択され、ここに貫通支持ピン32bが挿通され、本体板部21,22と固定される。貫通支持ピンは随時着脱されるため、主にボルトとナットの組み合わせから形成される。   Although not shown, when the lower wedge receiver 2 of FIG. 6 is selected for the lower movable member 30A, the forward through hole 31b is selected, and the through support pin 32b is inserted therethrough, and the main body plate portions 21 and 22 are inserted. Fixed. Since the penetration support pin is attached and detached at any time, it is mainly formed from a combination of a bolt and a nut.

さらに、図10及び図11を用い、上側連結部における他の実施例を開示する。図10は他の実施例に係る上側連結部40Xに関する主要部分解斜視図である。この実施例は、上側くさび部材と水平材の保持性能をより向上させた構成となる。水平材11xの端部42の末端には上顎部44と下顎部46が備えられ、上顎部44と下顎部46により正面視コ字状となる顎開口部49が形成される。そこで、固定ピン41は顎開口部49内に収容される。   Furthermore, the other Example in an upper side connection part is disclosed using FIG.10 and FIG.11. FIG. 10 is an exploded perspective view of main parts related to the upper connecting part 40X according to another embodiment. In this embodiment, the holding performance of the upper wedge member and the horizontal member is further improved. An upper jaw portion 44 and a lower jaw portion 46 are provided at the end of the end portion 42 of the horizontal member 11x, and the upper jaw portion 44 and the lower jaw portion 46 form a jaw opening 49 having a U-shape when viewed from the front. Therefore, the fixing pin 41 is accommodated in the chin opening 49.

実施例の水平材11xの端部42付近には、水平材の上下で対となるくさび部材上保持部47及びくさび部材下保持部48が備えられる。くさび部材上保持部47は上側くさび部材50の上辺部57に対し上側から被さり、くさび部材下保持部48は上側くさび部材50の下辺部58に対し下側から被さる。図11の上側連結部40Xの主要部縦断面図から把握されるように、くさび部材上保持部47とくさび部材下保持部48を有する水平材11xは、その側面視断面図でもコ字状を成している。この実施例の上側くさび部材50は、水平材11xによりその上下方向から挟持される。   In the vicinity of the end portion 42 of the horizontal member 11x of the embodiment, a wedge member upper holding portion 47 and a wedge member lower holding portion 48 that are paired on the upper and lower sides of the horizontal member are provided. The wedge member upper holding portion 47 covers the upper side portion 57 of the upper wedge member 50 from the upper side, and the wedge member lower holding portion 48 covers the lower side portion 58 of the upper wedge member 50 from the lower side. As can be understood from the vertical cross-sectional view of the main portion of the upper connecting portion 40X in FIG. 11, the horizontal member 11x having the wedge member upper holding portion 47 and the wedge member lower holding portion 48 is also U-shaped in the side view sectional view. It is made. The upper wedge member 50 of this embodiment is sandwiched from the vertical direction by the horizontal member 11x.

既述のとおり、上側くさび部材と水平材は水平方向に第一位置と第二位置で移動する。特に図示の上側連結部40Xにおける水平材11xの構造によると、上側くさび部材50と水平材11xにおいて、上下方向や回動方向の移動、がたつき等は抑制され、水平方向のみに双方の移動は規制される。このため、上側くさび部材と水平材との保持性能は良くなり、上側くさび部材の第一位置と第二位置の移動が円滑となることにより仮設足場用筋交いの取り扱いの利便性が高まる。   As described above, the upper wedge member and the horizontal member move in the horizontal direction between the first position and the second position. In particular, according to the structure of the horizontal member 11x in the upper connecting portion 40X shown in the figure, the upper wedge member 50 and the horizontal member 11x are restrained from moving in the vertical direction and the rotational direction, and rattling, and both move only in the horizontal direction. Is regulated. For this reason, the holding | maintenance performance of an upper wedge member and a horizontal material becomes good, and the convenience of handling the brace for temporary scaffolding increases by smooth movement of the 1st position and the 2nd position of an upper wedge member.

これまでに図示し説明してきたように、本実施例の仮設足場用筋交いは、水平材が上側くさび部材に対して水平方向に適度に移動可能としたことにより、係着に用いる上側くさび受けの位置の相違に起因して水平材に生じる位置ずれを容易に解消することができる。加えて、下側連結部の下側可動部材の構造から把握されるように、斜材自体に下溝部あるいは保持貫通穴が形成され、斜材の伸縮性が担保されたことにより、係着に用いる下側くさび受けの位置の相違に起因して斜材に生じる位置ずれに容易に対応することができる。   As shown and described so far, the brace for the temporary scaffolding of the present embodiment is such that the horizontal member is appropriately movable in the horizontal direction with respect to the upper wedge member, so that the upper wedge receiver used for engagement is A positional shift that occurs in the horizontal member due to the difference in position can be easily eliminated. In addition, as can be grasped from the structure of the lower movable member of the lower connecting portion, a lower groove portion or a holding through hole is formed in the diagonal material itself, and the stretchability of the diagonal material is secured, so that the engagement is secured. It is possible to easily cope with misalignment that occurs in the diagonal member due to the difference in the position of the lower wedge holder used.

とりわけ、下溝部と支持ピン部を採用、比較的単純な構造によりとすることにより、斜材に生じる位置ずれに容易に対応することができるができる。また、仮設足場用筋交い自体が足場支柱のくさび受けの位置に柔軟に対応できるため、足場支柱のくさび受け選択の自由度を高め、建築物の構造や現場作業に柔軟に対応することができ、さらには、個々の足場支柱のくさび受けの位置に合わせた資材を逐次用意することなくなり、資材量の抑制も可能となる。
In particular, by adopting the lower groove portion and the support pin portion and having a relatively simple structure, it is possible to easily cope with the positional deviation generated in the diagonal member. In addition, since the brace for temporary scaffolding itself can flexibly correspond to the position of the wedge support of the scaffolding column, it can increase the flexibility of selection of the wedge support of the scaffolding column, and can flexibly correspond to the structure of the building and the work on site, Furthermore, it is no longer necessary to sequentially prepare materials according to the positions of the wedge holders of the individual scaffold columns, and the amount of materials can be reduced.

1 足場支柱
2(2a,2b,2c,2d) 下側くさび受け
3(3a,3b,3c,3d) 上側くさび受け
10 仮設足場用筋交い
11,11x 水平材
12 斜材
14 斜材の上端
15 円弧状端縁部
16 下端部
20 下側連結部
21,22 本体板部
23 くさび保持部
24 梁部(板連結部)
25 下側くさび部材
26 下長脚部
27 下短脚部
30 下側可動部材
31 下溝部
32 支持ピン部
35 前進溝穴
36 後退溝穴
40,40X 上側連結部
41 固定ピン
42 端部
45 軸支ピン
47 くさび部材上保持部
48 くさび部材下保持部
50 上側くさび部材
51 溝部
52 上短脚部
53 上長脚部
57 上辺部
58 下辺部
60 補助板部材
62 規制片部
1 Scaffolding column 2 (2a, 2b, 2c, 2d) Lower wedge receiver 3 (3a, 3b, 3c, 3d) Upper wedge receiver 10 Bracing for temporary scaffolding 11, 11x Horizontal material 12 Diagonal material 14 Diagonal material upper end 15 yen Arc-shaped edge 16 Lower end 20 Lower connecting portion 21, 22 Main body plate portion 23 Wedge holding portion 24 Beam portion (plate connecting portion)
25 Lower wedge member 26 Lower long leg portion 27 Lower short leg portion 30 Lower movable member 31 Lower groove portion 32 Support pin portion 35 Advance groove hole 36 Retreat groove hole 40, 40X Upper connection portion 41 Fixed pin 42 End portion 45 Axis support Pin 47 Wedge member upper holding portion 48 Wedge member lower holding portion 50 Upper wedge member 51 Groove portion 52 Upper short leg portion 53 Upper long leg portion 57 Upper side portion 58 Lower side portion 60 Auxiliary plate member 62 Restriction piece portion

Claims (3)

足場支柱の間にX字状に配設され下側両端部に前記足場支柱に設けられた下側くさび受けに対して取り外し可能に係着される下側連結部を有する2つの斜材と、前記斜材の上側両端部に軸着され前記足場支柱に設けられた上側くさび受けに対して取り外し可能に係着される上側連結部を有する水平材とからなる仮設足場用筋交いにおいて、
前記水平材の上側連結部には前記上側くさび受けに係着しかつ水平方向に溝部が形成された上側くさび部材を備え、前記上側くさび部材は前記水平材の端部の固定ピンに対して水平方向の第一位置と第二位置を移動可能に取り付けられているとともに、
前記斜材の上端は円弧状端縁部として形成されていて、前記上側くさび部材が前記溝部に沿って第一位置と第二位置を横移動した際に前記円弧状端部が前記固定ピンに対して位置を回動して当接するように構成され、かつ、
前記斜材の下側連結部には前記上側くさび部材の第一位置と第二位置の移動に対応して、斜材に対して第一位置と第二位置を移動可能な下側可動部材が取り付けられ、該下側可動部材に前記下側くさび受けに係着する下側くさび部材が配設されている
ことを特徴とする仮設足場用筋交い。
Two diagonal members having a lower connecting portion that is disposed in an X shape between the scaffolding struts and is removably attached to lower wedge receivers provided on the scaffolding struts at both lower ends; In the brace for temporary scaffolding consisting of a horizontal member having an upper connecting part that is pivotally attached to both upper ends of the diagonal member and is detachably attached to an upper wedge receiver provided on the scaffolding column,
The upper connecting portion of the horizontal member is provided with an upper wedge member that is engaged with the upper wedge receiver and has a groove formed in a horizontal direction, and the upper wedge member is horizontal with respect to a fixing pin at an end of the horizontal member. It is attached movably between the first position and the second position in the direction,
The upper end of the diagonal member is formed as an arcuate edge, and when the upper wedge member moves laterally between the first position and the second position along the groove, the arcuate end becomes the fixing pin. It is configured to rotate and abut against the position, and
A lower movable member capable of moving between a first position and a second position with respect to the diagonal member corresponding to the movement of the first wedge position and the second position of the upper wedge member at the lower connecting portion of the diagonal member. A brace for a temporary scaffold, wherein a lower wedge member attached to the lower movable member and engaged with the lower wedge receiver is disposed.
前記下側連結部の下側可動部材が前記斜材の下端部に形成された下溝部に係着して移動する支持ピン部を備えた請求項1に記載の仮設足場用筋交い。   The brace for temporary scaffolding according to claim 1, further comprising a support pin portion that moves while the lower movable member of the lower connecting portion is engaged with a lower groove portion formed at a lower end portion of the diagonal member. 前記水平材の端部が前記上側くさび部材を上下から挟持するくさび部材上保持部及びくさび部材下保持部を備える請求項1または2に記載の仮設足場用筋交い。   The brace for temporary scaffolding according to claim 1 or 2, wherein an end portion of the horizontal member includes a wedge member upper holding portion and a wedge member lower holding portion for sandwiching the upper wedge member from above and below.
JP2010177473A 2010-08-06 2010-08-06 Bracing for temporary scaffolding Expired - Fee Related JP5698934B2 (en)

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