JP7051084B2 - Length adjustment handrail structure for temporary scaffolding - Google Patents

Length adjustment handrail structure for temporary scaffolding Download PDF

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JP7051084B2
JP7051084B2 JP2018017310A JP2018017310A JP7051084B2 JP 7051084 B2 JP7051084 B2 JP 7051084B2 JP 2018017310 A JP2018017310 A JP 2018017310A JP 2018017310 A JP2018017310 A JP 2018017310A JP 7051084 B2 JP7051084 B2 JP 7051084B2
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columns
handrail
cylinder
flange
binding portion
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JP2019132101A (en
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正治郎 松浦
光大 河合
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アサヒ産業株式会社
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Description

この発明は、仮設足場における支柱間に設けられる長さ調整可能な手摺構造に関するものである。 The present invention relates to a length-adjustable handrail structure provided between columns in a temporary scaffold.

仮設足場には、例えば、この発明の一実施形態を示す図１を参照して説明すると、建地材となる縦柱等の前後一対の支柱１、１の複数を建物Ｈに沿って左右方向所要間隔で立設し、その建物Ｈに沿った支柱１、１間の高さ方向の適宜位置に足場板２を設けるとともに、その足場板２の前面に（又は後面にも）手摺り付筋交い３を設けた構造のものがある（特許文献１図１０参照）。 For the temporary scaffolding, for example, to explain with reference to FIG. 1 showing an embodiment of the present invention, a plurality of pairs of front and rear columns 1, 1 such as vertical columns as building ground materials are arranged in the left-right direction along the building H. The scaffolding plates 2 are erected at required intervals, and the scaffolding plates 2 are provided at appropriate positions in the height direction between the columns 1 and 1 along the building H, and the scaffolding plates 2 are reinforced with handrails on the front surface (or also on the rear surface) of the scaffolding plates 2. There is a structure provided with 3 (see Patent Document 1, FIG. 10).

この仮設足場においては、各支柱１にその長さ方向所要間隔にそれぞれ緊結部４が設けられており、その緊結部４は、前後左右に計４個の係止孔を有するフランジ形式のものと、同前後左右それぞれ高さを異ならせた計４個の断面コ字状ホルダ形式のもの等がある。
通常、その手摺り付筋交い３はその端をこの各緊結部４に嵌め込んで支柱１に取付けられる。このとき、各緊結部４の左右（図１において左右の支柱１、１間の対向する側）の係止孔又はホルダが使用される。
また、手摺り付筋交い３ではなく、手摺りのみの仮設足場もあり、この手摺りはその両端を緊結部４に係止して取り付ける。さらに、左右方向に支柱１のみを並べた一側仮設足場もある。 In this temporary scaffold, each column 1 is provided with a binding portion 4 at a required interval in the length direction, and the binding portion 4 is of a flange type having a total of four locking holes in the front, rear, left and right directions. , There are a total of four U-shaped cross-section holders with different heights in the front, back, left and right.
Usually, the brace 3 with a handrail is attached to the support column 1 by fitting its end into each of the binding portions 4. At this time, the locking holes or holders on the left and right sides of each binding portion 4 (opposite sides between the left and right columns 1 and 1 in FIG. 1) are used.
There is also a temporary scaffolding with only a handrail instead of the brace 3 with a handrail, and this handrail is attached by locking both ends to the binding portion 4. Further, there is also a one-sided temporary scaffold in which only the columns 1 are arranged in the left-right direction.

特開２０１４－２３４６８５号公報Japanese Unexamined Patent Publication No. 2014-234685 特開平０９－７８８２９号公報Japanese Unexamined Patent Publication No. 09-78829 特開２０１４－２０１４５号公報Japanese Unexamined Patent Publication No. 2014-20145

このような仮設足場で建物Ｈの全周を囲んだ際、通常、少なくとも左右方向の一箇所に支柱１、１間が規格通りの幅にならない箇所が生じる。この場合、従来、短管を両支柱間（図１の符号４０の箇所）に掛け渡し（架設し）、その短管の両支柱との接点部をクランプ（特許文献２図１参照）によって結合固定している。また、規格長さの手摺りを２重管の伸縮管とし、その伸縮可能な手摺りを支柱間の幅に合わせるとともに、両端を支柱の緊結部４に係止したものもある（特許文献３）。 When the entire circumference of the building H is surrounded by such a temporary scaffold, usually, at least one place in the left-right direction has a place where the width between the columns 1 and 1 does not meet the standard. In this case, conventionally, a short pipe is hung (installed) between both columns (at the location of reference numeral 40 in FIG. 1), and a contact portion of the short tube with both columns is coupled by a clamp (see FIG. 1 of Patent Document 2). It is fixed. Further, there is also a case in which a handrail having a standard length is a double-tube telescopic tube, the stretchable handrail is adjusted to the width between the columns, and both ends are locked to the connecting portion 4 of the columns (Patent Document 3). ).

この発明は、以上の実状の下、異なる構成の支柱間の幅変化に対応し得る長さ調整可能な手摺構造を提供することを課題とする。 It is an object of the present invention to provide a length-adjustable handrail structure that can cope with a change in width between columns having different configurations under the above circumstances.

上記課題を達成するため、この発明は支柱の緊結部に係止させた固定冶具を手摺り本体をなす筒体に移動固定し得るようにしたのである。
このようにすれば、筒体を掛け渡し得る支柱間であれば、上記固定冶具を筒体に対して移動固定することによって支柱間に手摺り（筒体）を取り付け固定することができる。 In order to achieve the above object, the present invention makes it possible to move and fix the fixing jig locked to the binding portion of the support column to the tubular body forming the handrail main body.
By doing so, the handrail (cylinder) can be attached and fixed between the columns by moving and fixing the fixing jig to the cylinder as long as it is between the columns to which the cylinder can be hung.

この発明の構成としては、左右方向に立設した各支柱にその長さ方向所要間隔にそれぞれ緊結部が設けられ、前記支柱間に前記緊結部を介して手摺りを設けた仮設足場における手摺構造であって、前記手摺りは、支柱間に架設される筒体と、その筒体の長さ方向に移動自在かつ固定可能に設けた固定冶具とからなり、その固定冶具は緊結部に固定可能となっている構成を採用することができる。
より具体的には、上記緊結部は周囲に係止孔を有するフランジであり、上記固定冶具は前記係止孔に嵌まり込むクサビ片であり、上記筒体の側面に前記フランジが入り込む長孔が、同上下面には前記クサビ片が貫通する長孔がそれぞれ筒体の長さ方向の左右に形成されており、支柱間に筒体を宛がうとともに両支柱のそれぞれのフランジを筒体側面の長孔に嵌め込み、その嵌め込んだフランジの係止孔にクサビ片を嵌め込んで上下面の長孔を介し筒体を対の支柱に架設して固定した構成とする。
この構成の手摺構造であると、緊結部をなすフランジが筒体内に入り込むため、その分、前後の手摺りの間が広くなる。このとき、上記筒体を、四角筒とすれば、その効果が顕著である。 The configuration of the present invention is a handrail structure in a temporary scaffold in which each support column erected in the left-right direction is provided with a binding portion at a required interval in the length direction, and a handrail is provided between the support columns via the binding portion. The handrail is composed of a cylinder erected between the columns and a fixing jig provided so as to be movable and fixable in the length direction of the cylinder, and the fixing jig can be fixed to the binding portion. It is possible to adopt the configuration of.
More specifically, the binding portion is a flange having a locking hole around it, the fixing jig is a piece of rust that fits into the locking hole, and a long hole into which the flange enters the side surface of the cylinder. However, elongated holes through which the rust pieces penetrate are formed on the upper and lower surfaces of the cylinder on the left and right sides in the length direction of the cylinder, and the cylinder is placed between the columns and the flanges of both columns are attached to the side surfaces of the cylinder. It is configured to be fitted into the long hole of the above, and a jig piece is fitted into the locking hole of the fitted flange, and the tubular body is erected and fixed to a pair of columns through the long holes on the upper and lower surfaces.
In the handrail structure of this configuration, the flange forming the binding portion enters the inside of the cylinder, so that the space between the front and rear handrails becomes wider by that amount. At this time, if the cylinder is a square cylinder, the effect is remarkable.

この発明は、以上のように構成したので、新規な長さ調整可能な手摺りを得ることができる。 Since the present invention is configured as described above, a new length-adjustable handrail can be obtained.

この発明に係る長さ調整手摺構造を設けた仮設足場の概略斜視図Schematic perspective view of a temporary scaffold provided with a length adjusting handrail structure according to the present invention. 同実施形態の部分斜視図Partial perspective view of the same embodiment 図２の背面からの部分切断斜視図Partially cut perspective view from the back of FIG. 同実施形態の作用図Operation diagram of the same embodiment 同実施形態の一取り付け状態の平面図Top view of one mounting state of the same embodiment

この発明の一実施形態を図１～図４に示し、この実施形態に係る仮設足場は、上記と同様に、建地材となる縦柱等の前後一対の支柱１、１の複数を建物Ｈに沿って左右方向所要間隔で立設し、その建物Ｈに沿った支柱１、１間の高さ方向の適宜位置に足場板２を設けるとともに、その足場板２の前面に手摺り付筋交い３を設けた構造である。 An embodiment of the present invention is shown in FIGS. 1 to 4, and in the temporary scaffolding according to this embodiment, a plurality of pairs of front and rear columns 1, 1 such as vertical columns used as building ground materials are formed in the building H in the same manner as described above. The scaffolding boards 2 are erected at appropriate intervals in the left-right direction along the building H, and the scaffolding boards 2 are provided at appropriate positions in the height direction between the columns 1 and 1 along the building H. It is a structure provided with.

支柱１は、図１～図３に示すように、その長さ方向所要間隔でフランジ１１からなる緊結部４が設けられており、そのフランジ１１には周囲４等分位（前後左右）に係止孔１２が形成されている。緊結部４の上下方向（前記長さ方向）の間隔は安全技術基準に基づき足場板２の設置高さ等を考慮して適宜に設定される。この実施形態では、緊結部４は、手摺り付筋交い３の取付ピッチ（間隔）の半分のピッチで設けられている。 As shown in FIGS. 1 to 3, the support column 1 is provided with a binding portion 4 composed of flanges 11 at a required interval in the length direction, and the flange 11 is engaged in four equal divisions (front-back, left-right) around the flange 11. A stop 12 is formed. The vertical interval (the length direction) of the binding portion 4 is appropriately set in consideration of the installation height of the scaffolding plate 2 based on the safety technical standard. In this embodiment, the binding portion 4 is provided at a pitch that is half the mounting pitch (interval) of the brace 3 with a handrail.

足場板２は、四角枠内に網板やパンチング板等を設けた長方形の床板２１と、その床板２１の前後縁の両端に設けたフック２２とからなり、従来と同様、そのフック２２を布材５に引っかけて左右の支柱１、１間に掛け渡される（設けられる）。妻側側面を除く布材５は、左右の支柱１、１間に亘る横ステーの端を係止金具でもってフランジ１１の係止孔１２に係止することによって前後の支柱１、１間に掛け渡される。 The scaffolding board 2 is composed of a rectangular floor board 21 in which a net board, a punching board, or the like is provided in a square frame, and hooks 22 provided at both ends of the front and rear edges of the floor board 21, and the hook 22 is clothed as in the conventional case. It is hooked on the material 5 and hung (provided) between the left and right columns 1 and 1. In the cloth material 5 excluding the side surface on the gable side, the ends of the horizontal stays extending between the left and right columns 1 and 1 are locked to the locking holes 12 of the flange 11 with the locking metal fittings, so that the front and rear columns 1 and 1 are separated from each other. It is handed over.

その足場板２の前面と妻側側面に手摺り付筋交い３、３ａが取付けられる。この両手摺り付筋交い３、３ａは、その構成は同一であり、取付ける支柱１、１間の長さによって下記の水平杆３１、斜杆３２の長さを異ならせる。このため、以下は、前面側手摺り付筋交い３について説明する。 Braces 3 and 3a with handrails are attached to the front surface of the scaffolding plate 2 and the side surface on the gable side. The brace 3 and 3a with both handrails have the same configuration, and the lengths of the following horizontal rods 31 and diagonal rods 32 differ depending on the length between the columns 1 and 1 to be attached. Therefore, the following describes the brace 3 with a handrail on the front side.

手摺り付筋交い３は、手摺りとなる水平杆３１と、その水平杆３１の両端に回転自在に設けた筋交いとなるＸ字状の斜杆３２とからなり、その両斜材３２の上端にフック３３をそれぞれ有し、斜杆３２の先端（下端）にもフック３３を有している。このため、図１に示すように、両斜材３２の上端のフック３３を支柱１のフランジ１１の左右の係止孔１２に嵌め込み、その後、斜杆３２の下端のフック３３を前記フランジ１１より下側のフランジ１１に係止して取付ける。その斜杆３２下端のフランジ１１への取付け（係止）も上端フック３３と同様である。 The brace 3 with a handrail is composed of a horizontal rod 31 that serves as a handrail and an X-shaped diagonal brace 32 that is rotatably provided at both ends of the horizontal rod 31 and is formed at the upper ends of both diagonal members 32. Each has a hook 33, and a hook 33 is also provided at the tip (lower end) of the slant 32. Therefore, as shown in FIG. 1, the hook 33 at the upper end of both diagonal members 32 is fitted into the left and right locking holes 12 of the flange 11 of the support column 1, and then the hook 33 at the lower end of the slant 32 is fitted from the flange 11. It is mounted by locking it to the lower flange 11. The attachment (locking) of the lower end of the slant 32 to the flange 11 is the same as that of the upper end hook 33.

このような仮設足場において、図１に示すように、支柱１、１間が規格通りの幅にならない場合における左右の支柱１、１間にこの発明に係る長さ調整手摺り４０を設ける。この長さ調整手摺り４０は、四角筒体４１とクサビ片４５とからなる。筒体４１は、その長さ方向の両側に、上下面に開口する長孔４２、一側面（支柱１に対する反対面）に開口する長孔４３がそれぞれ形成されている。その両長孔４２、４３の長さは筒体４１の手摺りとしての強度が維持される限りにおいて長いのが好ましい。支柱１、１の間隔変化に大きく対応し得るからである。手摺り４０は、図示の前後の支柱１、１の間の内側ではなく外側に位置させることもできる。 In such a temporary scaffold, as shown in FIG. 1, a length adjusting handrail 40 according to the present invention is provided between the left and right columns 1 and 1 when the width between the columns 1 and 1 does not meet the standard. The length adjusting handrail 40 includes a square cylinder 41 and a wedge piece 45. The tubular body 41 is formed with elongated holes 42 opened on the upper and lower surfaces and elongated holes 43 opened on one side surface (opposite surface to the column 1) on both sides in the length direction thereof. The lengths of both the elongated holes 42 and 43 are preferably long as long as the strength of the tubular body 41 as a handrail is maintained. This is because it can greatly cope with the change in the distance between the columns 1 and 1. The handrail 40 can also be located on the outside rather than on the inside between the front and rear columns 1 and 1 shown in the figure.

クサビ片４５は、図２～図４に示すように、上下の長孔４２を貫通する基片４６と、フランジ１１の係止孔１２にはめ込まれる係止片４７とからなり、基片４６と係止片４８は溶接等によって一体となっている。このクサビ片４５は、筒体４１に上下面の長孔４２を介して嵌め込まれ、基片４６下端の止め具４８によって抜け止めされている。すなわち、クサビ片４５は筒体４１に離反しないようになっている。
このため、図４（ａ）に示すように、筒体４１の側面長孔４３にフランジ１１を嵌めて手摺り４０を支柱１に宛がい、同図（ｂ）に示すように、係止片４７をフランジ１１の係止孔１２にはめ込んで、筒体４１を支柱１に固定して手摺り４０を取り付ける。
このとき、長孔４２、４３におけるクサビ片４５のその長さ方向の位置調整によって、支柱１、１間の幅に対応する。
この手摺り４０を設けた部分の足場板部分は、適宜な長さの補助床板で被う。 As shown in FIGS. 2 to 4, the wedge piece 45 is composed of a base piece 46 penetrating the upper and lower elongated holes 42 and a locking piece 47 fitted into the locking hole 12 of the flange 11, and is the base piece 46. The locking pieces 48 are integrated by welding or the like. The wedge piece 45 is fitted into the tubular body 41 via elongated holes 42 on the upper and lower surfaces, and is prevented from coming off by a stopper 48 at the lower end of the base piece 46. That is, the wedge piece 45 does not separate from the tubular body 41.
Therefore, as shown in FIG. 4A, the flange 11 is fitted in the side elongated hole 43 of the tubular body 41, the handrail 40 is addressed to the support column 1, and the locking piece is as shown in FIG. 4B. 47 is fitted into the locking hole 12 of the flange 11, the tubular body 41 is fixed to the support column 1, and the handrail 40 is attached.
At this time, the width between the columns 1 and 1 is supported by adjusting the position of the wedge piece 45 in the elongated holes 42 and 43 in the length direction.
The scaffolding board portion of the portion provided with the handrail 40 is covered with an auxiliary floor board having an appropriate length.

このようにして支柱１、１間に取り付け固定された調整手摺り４０は、フランジ１１が筒体４１内に入り込んでいるとともに、筒体４１が四角筒であることから、前後の支柱１、１間が狭くなることも少なく、作業者が足場板２上を歩き難いと思うことも少ない。
また、この手摺り４０は筒体４１の両側に長孔４２、４３が形成されているため、支柱１に対する筒軸方向の取り付け位置調整が可能である。このため、図５に示すように、コーナ部にこの手摺り４０を設けた場合、内側の手摺り４０（筒体４１）の一端（同図において、左側の手摺り４０の下側端）の、支柱１側面（同図において下側）からの突出長さを極力抑えることができる。これにより、筒体４１一端の突出による作業者の通行Ｒへの支障を極力なくすことができる。このことから、長孔４２、４３の形成位置は、手摺り４０を支柱１に取り付けた際、筒体４１の端が、作業者の通行に支障がない程度の支柱１側面からの突出長さ（０又は数ｃｍ）となるように設定する。 In the adjustment handrail 40 attached and fixed between the columns 1 and 1 in this way, the flange 11 is inserted into the cylinder 41 and the cylinder 41 is a square cylinder, so that the front and rear columns 1, 1 are used. The space is rarely narrowed, and it is unlikely that the worker will find it difficult to walk on the scaffolding board 2.
Further, since the handrail 40 has elongated holes 42 and 43 formed on both sides of the tubular body 41, it is possible to adjust the mounting position in the tubular axial direction with respect to the support column 1. Therefore, as shown in FIG. 5, when the handrail 40 is provided in the corner portion, one end of the inner handrail 40 (cylinder body 41) (in the figure, the lower end of the left handrail 40). , The length of protrusion from the side surface of the column 1 (lower side in the figure) can be suppressed as much as possible. As a result, it is possible to minimize the hindrance to the passage R of the operator due to the protrusion of one end of the tubular body 41. From this, the formation positions of the elongated holes 42 and 43 are such that when the handrail 40 is attached to the support column 1, the end of the tubular body 41 protrudes from the side surface of the support column 1 to the extent that the passage of the operator is not hindered. Set to (0 or several cm).

上記実施形態において、手摺り付筋交い３、３ａに代えて、筋交い無しの手摺り（水平杆３１）のみでも良い。また、この発明は、フランジ１１に代えて上記ホルダ等の他の手段を採用することもできる。このとき、そのホルダ等は筒体４１にその側面長孔４３から嵌め込むようにする。さらに、一側足場における左右方向に支柱間の調整手摺りとして使用し得ることは言うまでもない。筒体４１は、四角筒以外の、円筒、多角筒等でも良く、その長さも任意である。
このように、今回開示された実施の形態はすべての点で例示であって制限的なものではないと考えられるべきである。この発明の範囲は、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 In the above embodiment, instead of the brace 3 and 3a with the brace, only the brace without the brace (horizontal rod 31) may be used. Further, in the present invention, other means such as the holder can be adopted instead of the flange 11. At this time, the holder or the like is fitted into the tubular body 41 through the side elongated hole 43. Further, it goes without saying that it can be used as an adjustment handrail between columns in the left-right direction on one side scaffold. The cylinder 41 may be a cylinder, a polygonal cylinder, or the like other than a square cylinder, and the length thereof is arbitrary.
Thus, the embodiments disclosed this time should be considered to be exemplary and not restrictive in all respects. The scope of the present invention is indicated by the scope of claims and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

１ 支柱
２ 足場板
３ 支柱前面側手摺り付筋交い
３ａ 妻側（開放側）手摺り付筋交い
４ 緊結部
５ 足場板取付用布材
１１ フランジ
１２ 係止孔
２１ 足場板の床板
２２ 同フック
３１ 手摺り付筋交いの水平杆
３２ 同斜杆
３３ 同フック
４０ 長さ調整手摺り
４１ 筒体
４２、４３ 長孔
４５ クサビ片
４６ クサビ片の基片
４７ 同係止片
４８ 同止め具 1 Strut 2 Scaffolding board 3 Strut front side brace with handrail 3a Wife side (open side) Bracing with handrail 4 Tightening part 5 Scaffolding board mounting cloth material 11 Flange 12 Locking hole 21 Scaffolding board floor board 22 Same hook 31 Hand Horizontal bracing with brace 32 Same diagonal rod 33 Same hook 40 Length adjustment handrail 41 Cylinder body 42, 43 Long hole 45 Kusabit piece 46 Kusabis piece base piece 47 Same locking piece 48 Same stopper

Claims (2)

左右方向に立設した各支柱（１）にその長さ方向所要間隔にそれぞれ緊結部（４）が設けられ、前記支柱（１）間に前記緊結部（４）を介して手摺りを設けた仮設足場における手摺構造であって、
上記手摺りは、上記支柱（１）間に架設される筒体（４１）と、その筒体（４１）の長さ方向に移動自在かつ固定可能に設けた固定冶具とからなり、その固定冶具は上記緊結部（４）に固定可能となっており、
上記緊結部（４）は周囲に係止孔（１２）を有するフランジ（１１）であり、上記固定冶具は前記係止孔（１２）に嵌まり込むクサビ片（４５）であり、上記筒体（４１）の側面に前記フランジ（１１）が入り込む長孔（４３）が、同上下面には前記クサビ片（４５）が貫通する長孔（４２）がそれぞれ筒体（４１）の長さ方向の左右に形成されており、
上記支柱（１）間に上記筒体（４１）を宛がうとともに両支柱（１）のそれぞれのフランジ（１１）を筒体（４１）側面の長孔（４３）に嵌め込み、その嵌め込んだフランジ（１１）の係止孔（１２）に前記クサビ片（４５）を嵌め込んで上記上下面の長孔（４２）を介し筒体（４１）を対の支柱（１）に架設して固定した仮設足場用長さ調整手摺構造。 Each of the columns (1) erected in the left-right direction was provided with a binding portion (4) at a required interval in the length direction, and a handrail was provided between the columns (1) via the binding portion (4). It is a handrail structure in a temporary scaffold,
The handrail is composed of a cylinder (41) erected between the columns (1) and a fixing jig provided so as to be movable and fixable in the length direction of the cylinder (41). Can be fixed to the above-mentioned binding part (4),
The binding portion (4) is a flange (11) having a locking hole (12) around it, and the fixing jig is a wedge piece (45) that fits into the locking hole (12). An elongated hole (43) into which the flange (11) enters is provided on the side surface of the (41), and an elongated hole (42) through which the wedge piece (45) penetrates is provided on the upper and lower surfaces thereof in the length direction of the tubular body (41). It is formed on the left and right,
The cylinder (41) was placed between the columns (1), and the flanges (11) of both columns (1) were fitted into the elongated holes (43) on the side surface of the cylinder (41). The wedge piece (45) is fitted into the locking hole (12) of the flange (11), and the tubular body (41) is erected and fixed to the pair of columns (1) via the elongated holes (42) on the upper and lower surfaces. Length adjustment handrail structure for temporary scaffolding. 上記筒体（４１）は、四角筒からなる請求項１に記載の仮設足場用長さ調整手摺構造。 The length adjusting handrail structure for a temporary scaffold according to claim 1 , wherein the cylinder (41) is a square cylinder.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011122401A (en) 2009-12-14 2011-06-23 Krh Kk Erection structure of rod-like member

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134600Y1 (en) * 1970-05-22 1976-08-26
JPS58134533U (en) * 1982-03-05 1983-09-10 三菱重工業株式会社 Construction handrail pipe connection device
JP2540356B2 (en) * 1988-06-17 1996-10-02 好宏 与那原 Temporary handrail device for iron stairs
JP2892349B1 (en) * 1998-06-05 1999-05-17 川崎重工業株式会社 Handrail mounting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011122401A (en) 2009-12-14 2011-06-23 Krh Kk Erection structure of rod-like member

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