JP7108285B2

JP7108285B2 - Handrail corner members, safety belt handrails and safety devices

Info

Publication number: JP7108285B2
Application number: JP2018098870A
Authority: JP
Inventors: 雅之浜野
Original assignee: 有限会社ステップアップ
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2022-07-28
Anticipated expiration: 2038-05-23
Also published as: JP2019203307A

Description

特許法第３０条第２項適用平成２９年１１月２８日に開催された中小企業新ものづくり・新サービス展Application of Article 30, Paragraph 2 of the Patent Law SME New Manufacturing and New Service Exhibition held on November 28, 2017

本発明は、足場等において、安全帯が係合された安全帯取付具が移動可能に取り付けられる手摺のコーナー部を形成する手摺コーナー部材、安全帯取付具が移動可能に取り付けられる安全帯用手摺、安全帯と安全帯取付具と手摺とからなる安全装置に関するものである。 The present invention relates to a handrail corner member forming a corner of a handrail to which a safety belt fixture engaged with a safety belt is movably attached, and a safety belt handrail to which a safety belt fixture is movably attached. , a safety device comprising a safety belt, a safety belt attachment and a handrail.

建築工事では各種足場が使用されるが、足場は、垂直材となる支柱（建地）と各種水平材、足場板、階段等が組み合わされて構成される。
作業者は、足場板を移動しながら作業を行うが、中層、上層部には手摺が設けられ、作業者は安全帯を身に着け、足場板等を踏み外しても地面に落下しないようにする等して、作業者の安全が図られている。
この場合、安全帯を身に着けた作業者が自由に移動できるようにするため、安全帯のロープ部の一端をパイプからなる手摺等に移動可能に取り付けた安全具が提案されている。
例えば、特許文献１（特許第５９３５１１１号公報）には、足場に安全帯を取り付けるために使用される足場用安全帯取付具であって、足場用パイプと同軸に前記足場用パイプの先端に取り付けられる管状の管状部と、前記管状部に設けられると共に前記足場を構成する部材に取り付けられる取付板部とを備える取付部材と、前記管状部の軸方向に沿って移動自在に前記管状部に係止可能な係止部と、前記係止部が前記管状部に係止した際に前記管状部に対して間隔を有して対向すると共に前記安全帯が係合可能な係合部とを備え、前記管状部に着脱自在に懸架される金具とを有する足場用安全帯取付具が本出願人によって開示されている。
特許文献１においては、建地（支柱）に取付部材の取付板部が取り付けられ、管状部に手摺となる足場用パイプが接続され、この管状部に着脱自在に懸架され、安全帯のフックが係合された金具が、手摺に沿って移動することができ、安全帯を身に着けた作業者は、建地（支柱）間を自由に移動することができる。
しかしながら、特許文献１の管状部には同一方向に設置される手摺しか接続できないことから、足場のコーナー部（隅部）に立設され、手摺が直交するように取り付けられる建地（支柱）には、特許文献１の管状部を取り付けることができず、特許文献１の足場用安全帯取付具では、安全帯を身に着けた作業者が足場のコーナー部を自由に移動できないという問題がある。 Various types of scaffolding are used in construction work, and the scaffolding is composed of a combination of columns (building sites) that are vertical members, various horizontal members, scaffolding boards, stairs, and the like.
Workers work while moving scaffolding boards, but handrails are provided on the middle and upper layers, and workers wear safety belts to prevent them from falling to the ground even if they miss the scaffolding boards. Etc., the safety of workers is ensured.
In this case, in order to allow the worker wearing the safety belt to move freely, a safety tool has been proposed in which one end of the rope portion of the safety belt is movably attached to a handrail or the like made of a pipe.
For example, Patent Document 1 (Patent No. 5935111) discloses a scaffolding safety belt attachment tool used for attaching a safety belt to a scaffolding, which is attached to the tip of the scaffolding pipe coaxially with the scaffolding pipe. a mounting member provided on the tubular portion and attached to a member forming the scaffold; and an engaging portion that faces the tubular portion with a gap when the engaging portion is engaged with the tubular portion and is engageable with the safety belt. , and a metal fitting detachably suspended from the tubular portion.
In Patent Document 1, a mounting plate portion of a mounting member is attached to a building site (post), a scaffolding pipe serving as a handrail is connected to a tubular portion, and the tubular portion is detachably suspended, and a safety belt hook is attached. The engaged fittings can move along the handrail, and the worker wearing the safety harness can move freely between the construction sites (posts).
However, since only the handrails installed in the same direction can be connected to the tubular part of Patent Document 1, it is possible to connect the handrails to the building site (pillar) that is erected at the corner part (corner part) of the scaffold and attached so that the handrails are perpendicular to each other. However, the tubular part of Patent Document 1 cannot be attached, and the scaffolding safety belt attachment of Patent Document 1 has a problem that the worker wearing the safety belt cannot freely move around the corners of the scaffold. .

一方、足場のコーナー部（隅部）の手摺等の形状に関し、特許文献２（特開平９－２９２７０６号公報）には、仮設用手摺のコーナー部の安全性を確保すると共に、簡単、確実に取付ができ、しかも、保管し易い接合材を提供することを目的（課題）として、コーナー部に沿って円弧状に折り曲げた鋼管の両端に直線部を形成すると共に、それら直線部に鋼管の中心に向かって突出する掛止片を対向してそれぞれ形成した仮設手摺用コーナ部の接合材が開示されている。
また、特許文献３（特開平１１－２４７４３３号公報）には、コーナ部において、手摺材または布材の先端部がはみ出すことがなく、美観に優れた足場用弧状コーナ接続部材を提供すること等を課題として、足場用弧状コーナ接続部材であって、全体として円弧状であり、両端がほぼ直交する２方向に位置し、かつ、接続部となっており、断面形状が全長にわたってほぼ同じである足場用弧状コーナ接続部材が開示されている。
しかしながら、特許文献２においては、仮設手摺用コーナ部の接合材となる円弧状の鋼管に単管ジョイントＢ、Ｄを介して水平部材Ａ、Ｅが固定され、この水平部材Ａ、Ｅが支柱等の垂直部材に取り付けられることから（引用文献２の図４参照）、水平部材Ａ、Ｅの延長線が交差する位置、すなわち、足場を形成する外枠の角部に垂直部材（支柱等）が存在しないこととなる。
この足場の外枠の隅部（コーナー部）に立設する垂直部材（支柱等）は、足場を組み立てる際に多数の垂直部材を配置する基準となるものであり、筋交い等の斜材を取り付ける際に必要なものであり、足場板を設置するための水平材を取り付ける際にも必要なものである。
特に、盛替えや組み替えが簡単にでき、建物の形状に容易に対応できる足場として、広く利用されているくさび緊結式足場（以下単に「くさび式足場」という。）においては、足場の外枠の角部に立設する垂直部材（支柱等）は、不可欠なものである。
よって、特許文献２の仮設手摺用コーナ部の接合材を使用した足場では、足場の外枠の隅部に垂直部材が立設されず、足場を組み立てる際の垂直部材の配置、筋交い等の斜材の取付け、場板を設置するための水平材の取付け等に支障をきたすという問題がある。
また、特許文献３においては、足場用弧状コーナ接続部材の両端部が建地材用結合部材によって建地材に固定されると共に、この両端部が接続部となってジョイントを介して手摺材に接続されており（引用文献の図４、５、９参照）、足場用弧状コーナ接続部材を使用した足場では、足場の外枠の角部に建地材（垂直部材）が立設されず、特許文献２と同様に、足場を組み立てる際の建地材（垂直部材）の配置、筋交い等の斜材の取付け、足場板を設置するための水平材の取付け等に支障をきたすという問題がある。
さらに、特許文献３の足場用弧状コーナ接続部材を使用した足場では、コーナー部に扇形形状の足場布板という特殊な形状の足場板を使用する必要があり、通常の長方形状の足場布板のみで足場板を形成できないという問題がある。 On the other hand, regarding the shape of handrails, etc. at the corners (corners) of scaffolding, Patent Document 2 (Japanese Patent Application Laid-Open No. 9-292706) describes how to secure the safety of the corners of temporary handrails and to easily and reliably With the object (problem) of providing a joining material that can be attached and is easy to store, straight portions are formed at both ends of a steel pipe bent in an arc shape along a corner portion, and the center of the steel pipe is formed at the straight portions. A temporary handrail corner joining member is disclosed in which hooking pieces protruding toward each other are formed to face each other.
In addition, Patent Document 3 (Japanese Patent Application Laid-Open No. 11-247433) discloses that an arcuate corner connecting member for scaffolding which is excellent in aesthetic appearance without protruding the tip of a handrail material or a cloth material at a corner is provided. An arc-shaped corner connecting member for scaffolding, which is arc-shaped as a whole, has both ends positioned in two directions that are substantially perpendicular to each other, serves as a connecting portion, and has a cross-sectional shape that is substantially the same over the entire length. An arcuate corner connecting member for scaffolding is disclosed.
However, in Patent Document 2, horizontal members A and E are fixed to arc-shaped steel pipes that serve as joining materials for temporary handrail corners via single pipe joints B and D. (see FIG. 4 of Cited Document 2), vertical members (posts, etc.) are located at the intersections of the extension lines of horizontal members A and E, that is, at the corners of the outer frame that forms the scaffolding. It does not exist.
The vertical members (posts, etc.) erected at the corners of the outer frame of the scaffold serve as a reference for arranging a large number of vertical members when assembling the scaffold, and diagonal members such as braces are attached. It is necessary when installing scaffold boards, and is also necessary when installing horizontal members for installing scaffolding boards.
In particular, wedge binding type scaffolding (hereinafter simply referred to as “wedge type scaffolding”), which is widely used as a scaffolding that can be easily rebuilt and recombined and can be easily adapted to the shape of a building, has an outer frame of the scaffolding. Vertical members (struts, etc.) standing at the corners are indispensable.
Therefore, in the scaffold using the temporary handrail corner joint material of Patent Document 2, the vertical members are not erected at the corners of the outer frame of the scaffold, and the arrangement of the vertical members when assembling the scaffold, the diagonal of the braces, etc. There is a problem that it interferes with the installation of the material, the installation of the horizontal material for installing the board, and the like.
In addition, in Patent Document 3, both ends of an arc-shaped corner connecting member for scaffolding are fixed to a building material by a building material connecting member, and these both ends serve as a connecting portion and are attached to a handrail material via a joint. In a scaffold that is connected (see FIGS. 4, 5, and 9 of the cited document) and uses arc-shaped corner connecting members for scaffolding, construction materials (vertical members) are not erected at the corners of the outer frame of the scaffold, Similar to Patent Document 2, there is a problem in arranging construction materials (vertical members) when assembling scaffolding, attaching diagonal members such as braces, and attaching horizontal members for installing scaffolding boards. .
Furthermore, in the scaffolding using the arc-shaped corner connecting member for scaffolding of Patent Document 3, it is necessary to use a special-shaped scaffolding board called a fan-shaped scaffolding board at the corner, and only a normal rectangular scaffolding board is used. There is a problem that the scaffold board cannot be formed with

特許第５９３５１１１号公報Japanese Patent No. 5935111 特開平９－２９１７０６号公報JP-A-9-291706 特開平１１－２４７４３３号公報JP-A-11-247433

本発明が解決しようとする課題は、足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者が足場の隅部を自由に移動できるようにすることである。 The problem to be solved by the present invention is that a vertical member can be erected at the corner of the outer frame of the scaffold, and a safety belt that moves along the handrail can be worn without using a specially shaped scaffold board. To enable a worker wearing the scaffold to freely move around corners of a scaffold.

請求項１の発明は、間隙部を有するリング状のフレームと安全帯が係合する係合部を備えた安全帯取付具が移動可能に取り付けられる安全帯用手摺のコーナー部を形成する手摺コーナー部材であって、前記コーナー部に連続する非コーナー部を形成する手摺部材の端部が該手摺部材の軸方向に連結される直線部と該直線部に連続する湾曲部を有する管状部と、前記管状部を支持し、前記管状部を足場の隅部の垂直部材に取り付けて固定する取付固定部を備え、前記取付固定部は、前記間隙部より小さい幅を有して前記管状部の上部を支持する管状部支持部を備えている手摺コーナー部材を提供して、上記課題を解決するものである。 According to the first aspect of the invention, there is provided a handrail corner forming a corner portion of a handrail for a safety belt to which a safety belt fixture having a ring-shaped frame having a gap and an engaging portion for engaging the safety belt is movably attached. a tubular portion of a member, which has a linear portion to which an end portion of the handrail member forming a non-corner portion continuous to the corner portion is connected in the axial direction of the handrail member and a curved portion continuous to the linear portion; a mounting fixture for supporting the tubular part and for mounting and fixing the tubular part to a corner vertical member of the scaffold, the mounting fixture having a width smaller than the gap part and an upper part of the tubular part; SUMMARY OF THE INVENTION The above problem is solved by providing a handrail corner member that includes a tubular support for supporting a.

請求項２の発明は、前記垂直部材は、くさび式足場に使用されるポケット金具を備えた垂直部材であり、前記取付固定部は、前記ポケット金具に挿入されるくさび部を備えている手摺コーナー部材を提供して、上記課題を解決するものである。 In the invention of claim 2, the vertical member is a vertical member provided with a pocket fitting used in a wedge-type scaffold, and the mounting fixing portion is a handrail corner provided with a wedge portion that is inserted into the pocket fitting. A member is provided to solve the above problems.

請求項３の発明は、前記垂直部材は、第１ポケット金具と該第１ポケット金具に直交する方向に設けられた第２ポケット金具を備え、前記取付固定部は、前記第１ポケット金具のポケット部に嵌め込まれる第１くさび部を備えた第１取付固定部と、前記第２ポケット金具のポケット部に嵌め込まれる第２くさび部を備えた第２取付固定部とからなる手摺コーナー部材を提供して、上記課題を解決するものである。 In the invention of claim 3, the vertical member includes a first pocket metal fitting and a second pocket metal fitting provided in a direction perpendicular to the first pocket metal fitting, and the mounting/fixing portion is a pocket of the first pocket metal fitting. A handrail corner member comprising a first mounting fixing portion having a first wedge portion that is fitted into a pocket portion of the second pocket fitting, and a second mounting fixing portion having a second wedge portion that is fitted into the pocket portion of the second pocket fitting. to solve the above problems.

請求項４の発明は、前記管状部には、前記安全帯取付具が前記管状部の円周方向に回転するのを防止する凸条部が設けられ、該凸条部は、前記間隙部より小さい幅を有している手摺コーナー部材を提供して、上記課題を解決するものである。 According to the invention of claim 4, the tubular portion is provided with a protruding portion that prevents the safety belt attachment from rotating in the circumferential direction of the tubular portion, and the protruding portion extends from the gap portion. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems by providing a handrail corner member having a small width.

請求項５の発明は、間隙部を有するリング状のフレームと安全帯が係合する係合部を備えた安全帯取付具が移動可能に取り付けられる安全帯用手摺であって、前記安全帯用手摺はコーナー部と該コーナー部に連続する非コーナー部を備え、前記コーナー部を形成する手摺コーナー部材は、前記非コーナー部を形成する手摺部材の端部が該手摺部材の軸方向に連結される直線部と該直線部に連続する湾曲部を有する管状部と、前記管状部を支持し、前記管状部を足場の角部の垂直部材に取り付けて固定する取付固定部を備え、前記取付固定部は、前記間隙部より小さい幅を有して前記管状部の上部を支持する管状部支持部を備えている安全帯用手摺を提供して、上記課題を解決するものである。 According to a fifth aspect of the present invention, there is provided a handrail for a safety belt to which a safety belt fixture is movably attached, comprising a ring-shaped frame having a gap and an engaging portion for engaging the safety belt, wherein The handrail has a corner portion and a non-corner portion continuous with the corner portion, and the handrail corner member forming the corner portion has an end portion of the handrail member forming the non-corner portion connected in the axial direction of the handrail member. and a tubular portion having a straight portion and a curved portion continuous with the straight portion; The above problem is solved by providing a safety belt handrail having a tubular part supporting part which has a width smaller than that of the gap part and supports the upper part of the tubular part.

請求項６の発明は、安全帯と、間隙部を有するリング状のフレームと該安全帯が係合する係合部を備えた安全帯取付具と、該安全帯取付具が移動可能に取り付けられる安全帯用手摺を備えた安全装置であって、前記安全帯用手摺はコーナー部と該コーナー部に連続する非コーナー部を備え、前記コーナー部を形成する手摺コーナー部材は、前記非コーナー部を形成する手摺部材の端部が該手摺部材の軸方向に連結される直線部と該直線部に連続する湾曲部を有する管状部と、前記管状部を支持し、前記管状部を足場の角部の垂直部材に取り付けて固定する取付固定部を備え、前記取付固定部は、前記間隙部より小さい幅を有して前記管状部の上部を支持する管状部支持部を備えている安全装置を提供して、上記課題を解決するものである。
According to the sixth aspect of the invention, there is provided a safety belt, a safety belt attachment having a ring-shaped frame having a gap and an engaging portion for engaging the safety belt, and the safety belt attachment being movably attached. A safety device comprising a handrail for a safety belt , wherein the handrail for the safety belt has a corner portion and a non-corner portion continuous with the corner portion, and a handrail corner member forming the corner portion includes the non-corner portion. The ends of the handrail members to be formed are connected in the axial direction of the handrail members to form a tubular portion having a straight portion and a curved portion continuing to the straight portion; a mounting fixture for mounting and fixing to a vertical member of the Then, the above problem is solved.

請求項７の発明は、前記リング状のフレームはＣ字状のフレームであり、前記安全帯取付具は、前記フレームの端部に取り付けられた一対の円筒状の回転体を備えている安全装置を提供して、上記課題を解決するものである。 In the invention according to claim 7, the ring-shaped frame is a C-shaped frame, and the safety belt fixture comprises a pair of cylindrical rotating bodies attached to the ends of the frame. is provided to solve the above problems.

請求項１に記載の発明の手摺コーナー部材においては、足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者が足場の隅部を自由に移動できるという効果を奏する。 In the handrail corner member of the invention described in claim 1, a vertical member can be erected at the corner of the outer frame of the scaffolding, and the safety of moving along the handrail without using a specially shaped scaffolding board. The effect is that the worker wearing the band can freely move around the corners of the scaffold.

請求項２に記載の発明の手摺コーナー部材においては、くさび式足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者がくさび式足場の隅部を自由に移動できるという効果を奏する。という効果を奏する。 In the handrail corner member of the invention described in claim 2, vertical members can be erected at the corners of the outer frame of the wedge-type scaffolding, and can move along the handrail without using a specially shaped scaffolding board. The effect is that the worker wearing the safety belt can freely move around the corners of the wedge-type scaffold. It has the effect of

請求項３に記載の発明の手摺コーナー部材においては、さらに、手摺コーナー部材をくさび式足場の外枠の隅部に立設された垂直部材に、強固に取り付けられるという効果を奏する。 In the handrail corner member of the invention described in claim 3, the handrail corner member can be firmly attached to the vertical members erected at the corners of the outer frame of the wedge-type scaffold.

請求項４に記載の発明の手摺コーナー部材においては、さらに、手摺コーナー部材を移動する安全帯取付具が大きく傾かないという効果を奏する。 According to the handrail corner member of the fourth aspect of the invention, there is further provided an effect that the safety belt fixture for moving the handrail corner member does not greatly tilt.

請求項５に記載の発明の安全帯用手摺においては、足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者が足場の隅部を自由に移動できるという効果を奏する。 In the handrail for a safety belt of the invention described in claim 5, vertical members can be erected at the corners of the outer frame of the scaffolding, and the members can move along the handrail without using specially shaped scaffolding boards. The effect is that the worker wearing the safety belt can freely move around the corners of the scaffold.

請求項６に記載の発明の安全装置においては、足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者が足場の隅部を自由に移動できるという効果を奏する。 In the safety device of the invention described in claim 6, a vertical member can be erected at the corner of the outer frame of the scaffold, and the safety belt can move along the handrail without using a specially shaped scaffold board. can move freely around the corners of the scaffold.

請求項７に記載の発明の安全装置においては、さらに、安全帯取付具が安全帯用手摺に沿って抵抗なく円滑に移動するという効果を奏する。 In the safety device of the seventh aspect of the invention, there is further provided an effect that the safety belt attachment can smoothly move along the safety belt handrail without resistance.

本発明の手摺コーナー部材の斜視図である。1 is a perspective view of a handrail corner member of the present invention; FIG. 図１に示す手摺コーナー部材の平面図である。Fig. 2 is a plan view of the handrail corner member shown in Fig. 1; 図１に示す手摺コーナー部材の正面図である。2 is a front view of the handrail corner member shown in FIG. 1; FIG. 図１に示す手摺コーナー部材の左側面図である。Fig. 2 is a left side view of the handrail corner member shown in Fig. 1; くさび式足場の隅部に使用される支柱の斜視図と平面図である。FIG. 10 is a perspective view and a plan view of a stanchion used at the corner of a wedge scaffold; 支柱１０に手摺コーナー部材１を取り付けた状態の斜視図である。1 is a perspective view of a state where a handrail corner member 1 is attached to a post 10; FIG. 支柱１０に手摺コーナー部材１を取り付けた状態の平面図である。FIG. 2 is a plan view showing a state in which the handrail corner member 1 is attached to the post 10; 安全帯用手摺の非コーナー部を形成する手摺部材となる直線状パイプの斜視図である。Fig. 10 is a perspective view of a linear pipe serving as a handrail member forming a non-corner portion of the safety belt handrail; 摺コーナー部材１の湾曲パイプ２と直線状パイプ２０を連結する連結パイプの斜視図である。2 is a perspective view of a connecting pipe that connects a curved pipe 2 and a straight pipe 20 of the sliding corner member 1. FIG. 湾曲パイプ２と直線状パイプ２０を連結パイプ２２で連結した状態のパイプの軸方向の縦断面図である。Fig. 2 is an axial vertical cross-sectional view of a curved pipe 2 and a straight pipe 20 connected by a connecting pipe 22; 安全帯用手摺の非コーナー部において、直線状パイプ２０同士を連結すると共に、連結した直線状パイプ２０を垂直部材（支柱）に取り付けて固定する連結取付固定部材の斜視図である。FIG. 10 is a perspective view of a connecting fixing member that connects straight pipes 20 to each other and fixes the connected straight pipes 20 to a vertical member (post) at a non-corner portion of the safety belt handrail. くさび式足場における安全帯用手摺の一部を表した斜視図である。It is a perspective view showing a part of handrail for safety belts in a wedge-type scaffold. 図１２の安全帯用手摺の平面図である。Fig. 13 is a plan view of the safety belt handrail of Fig. 12; 摺コーナー部材１の湾曲パイプ２の直線部２ｂに安全帯取付具を取り付けた状態の正面図である。2 is a front view of a state in which a safety belt fixture is attached to a straight portion 2b of a curved pipe 2 of a sliding corner member 1; FIG. 図１４に示す安全帯取付具の平面図である。Fig. 15 is a plan view of the safety belt attachment shown in Fig. 14; 図１４に示す安全帯取付具の左側面図である。Fig. 15 is a left side view of the safety belt fixture shown in Fig. 14; 図１５のＸ－Ｘ断面図である。FIG. 16 is a cross-sectional view taken along line XX of FIG. 15; 手摺コーナー部材１と安全帯取付具３１の各部の寸法の大小関係等を説明するための説明図である。FIG. 4 is an explanatory diagram for explaining the size relationship of each part of the handrail corner member 1 and the safety belt fixture 31; 図１２に示す安全帯用手摺に安全帯取付具３１を取り付け、作業者が身に着けた安全帯を安全帯取付具３１に係合させた状態の正面図である。FIG. 13 is a front view of a state in which a safety belt fixture 31 is attached to the safety belt handrail shown in FIG. 12 and a safety belt worn by a worker is engaged with the safety belt fixture 31; 安全帯４０のフック部４４の正面図である。4 is a front view of a hook portion 44 of the safety belt 40; FIG.

［手摺コーナー部材］
図１は、本発明の手摺コーナー部材の斜視図、図２は、図１に示す手摺コーナー部材の平面図、図３は、図１に示す手摺コーナー部材の正面図、図４は、図１に示す手摺コーナー部材の左側面図である。
図中、１は手摺コーナー部材、２は湾曲パイプ、２ａは湾曲部、２ｂ、２ｃは直線部、２ｄ、２ｅは丸穴、３は第１取付固定部、４は第２取付固定部、３ａ、４ａはパイプ支持板、３ｂ、４ｂは枠体、３ｃ、４ｃはアーム、３ｄは第１くさび部、４ｄは第２くさび部、５ａは湾曲凸条部、５ｂ、５ｃは直線凸条部である。
図に示すように手摺コーナー部材１は、湾曲パイプ２、第１取付固定部３及び第２取付固定部４等から構成される。
湾曲パイプ２は、本発明の管状部となるもので、湾曲部２ａと、湾曲部２ａに連続する直線部２ｂ、２ｃを備えている。
第１取付固定部３は、パイプ支持板３ａと、パイプ支持板３ａに溶接等で接合された箱状の枠体３ｂと、枠体３ｂに一端が溶接等で接合されたアーム３ｃと、アーム３ｃの他端に溶接等で接合された第１くさび部３ｄとから構成される。
第２取付固定部４は、第１取付固定部３と同様にして、パイプ支持板４ａ、箱状の枠体４ｂ、アーム４ｃ及び第２くさび部４ｄとから構成されるが、パイプ支持板４ａ、箱状の枠体４ｂ、アーム４ｃの寸法は、第１取付固定部３のパイプ支持板３ａ、箱状の枠体３ｂ、アーム３ｃの寸法と少し異なっている。
パイプ支持板３ａは本発明の管状部支持部となるもので、その下面は、直線部２ｂの湾曲部２ａ側の位置、あるいは、直線部２ｂと湾曲部２ａの境界付近の直線部２ｂ側の位置で、湾曲パイプ２の最上部に溶接等で接合されている。
パイプ支持板４ａも本発明の管状部支持部となるもので、その下面は、直線部２ｃの湾曲部２ａ側の位置、あるいは、直線部２ｃと湾曲部２ａの境界付近の直線部２ｃ側の位置で、湾曲パイプ２の最上部に溶接等で接合されている。
また、湾曲パイプ２の最上部においては、直線部２ｂには直線凸条部５ｂが設けられ、湾曲部２ａには湾曲凸条部５ａが設けられ、直線部２ｃには直線凸条部５ｃが設けられており、これらの湾曲凸条部５ａ、直線凸条部５ｂ、５ｃは、本発明の凸条部となるものである。
さらに、パイプ支持板３ａと直線凸条部５ｂの間には、湾曲パイプ２を垂直方向に貫通する丸穴２ｄが設けられ、パイプ支持板４ａと直線凸条部５ｃの間には、湾曲パイプ２を垂直方向に貫通する丸穴２ｅが設けられている。
そして、手摺コーナー部材１は、本発明の安全帯用手摺のコーナー部を形成し、くさび式足場の隅部（コーナー部）に立設される垂直部材（後述する）に取り付けられ、安全帯用手摺には、間隙部を有するリング状のフレームと安全帯が係合する係合部を備えた安全帯取付具（後述する）が移動可能に取り付けられる。
この場合、パイプ支持板３ａ、４ｂ、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃは、いずれも安全帯取付具のフレームの間隙部より小さい幅を有し、安全帯用手摺を移動する安全帯取付具が、パイプ支持板３ａ、４ｂ、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃが設けられた部分を移動できるようになっている。
また、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃは、手摺コーナー部材１の湾曲パイプ２上を移動する安全帯取付具が、湾曲パイプ２の円周方向に回転して大きく傾くのを防止する回り止めとして機能する。 [Handrail corner material]
1 is a perspective view of the handrail corner member of the present invention, FIG. 2 is a plan view of the handrail corner member shown in FIG. 1, FIG. 3 is a front view of the handrail corner member shown in FIG. 1, and FIG. 2 is a left side view of the handrail corner member shown in FIG.
2 is a curved pipe; 2a is a curved portion; 2b and 2c are straight portions; , 4a is a pipe support plate, 3b and 4b are frames, 3c and 4c are arms, 3d is a first wedge portion, 4d is a second wedge portion, 5a is a curved ridge, and 5b and 5c are straight ridges. be.
As shown in the figure, the handrail corner member 1 is composed of a curved pipe 2, a first fixing portion 3, a second fixing portion 4, and the like.
The curved pipe 2 is a tubular portion of the present invention, and includes a curved portion 2a and straight portions 2b and 2c that are continuous with the curved portion 2a.
The first fixing portion 3 includes a pipe support plate 3a, a box-shaped frame 3b joined to the pipe support plate 3a by welding or the like, an arm 3c having one end joined to the frame 3b by welding or the like, and an arm It is composed of a first wedge portion 3d joined to the other end of 3c by welding or the like.
The second mounting and fixing portion 4, like the first mounting and fixing portion 3, comprises a pipe support plate 4a, a box-shaped frame 4b, an arm 4c and a second wedge portion 4d. , the dimensions of the box-shaped frame 4b and the arm 4c are slightly different from those of the pipe support plate 3a, the box-shaped frame 3b and the arm 3c of the first fixing portion 3. As shown in FIG.
The pipe support plate 3a serves as a tubular portion support portion of the present invention, and its lower surface is positioned on the side of the curved portion 2a of the straight portion 2b, or on the side of the straight portion 2b near the boundary between the straight portion 2b and the curved portion 2a. It is joined to the uppermost portion of the curved pipe 2 at the position by welding or the like.
The pipe support plate 4a also serves as a tubular portion support portion of the present invention, and its lower surface is located at the position on the curved portion 2a side of the straight portion 2c, or at the straight portion 2c side near the boundary between the straight portion 2c and the curved portion 2a. It is joined to the uppermost portion of the curved pipe 2 at the position by welding or the like.
At the uppermost portion of the curved pipe 2, the straight portion 2b is provided with a straight ridge portion 5b, the curved portion 2a is provided with a curved ridge portion 5a, and the straight portion 2c is provided with a straight ridge portion 5c. These curved ridges 5a and straight ridges 5b and 5c are the ridges of the present invention.
Further, a round hole 2d penetrating the curved pipe 2 in the vertical direction is provided between the pipe support plate 3a and the straight ridge 5b, and a curved pipe 2d is provided between the pipe support plate 4a and the straight ridge 5c. 2 is provided with a round hole 2e passing through it in the vertical direction.
The handrail corner member 1 forms the corner portion of the safety belt handrail of the present invention and is attached to a vertical member (described later) erected at the corner portion (corner portion) of the wedge-type scaffolding. The handrail is movably attached to a ring-shaped frame having a gap and a safety belt fixture (described later) having an engaging portion for engaging the safety belt.
In this case, the pipe support plates 3a and 4b, the curved ridges 5a, and the straight ridges 5b and 5c all have widths smaller than the gaps in the frame of the safety belt fixture, and the safety belt handrails move. The safety belt fixture can move in the portion where the pipe support plates 3a, 4b, the curved ridges 5a, and the straight ridges 5b, 5c are provided.
In addition, the curved ridge 5a and the straight ridges 5b and 5c prevent the safety belt fixture that moves on the curved pipe 2 of the handrail corner member 1 from rotating in the circumferential direction of the curved pipe 2 and tilting greatly. Acts as a detent to prevent rotation.

［垂直部材］
次に、本発明の手摺コーナー部材が取り付けられる垂直部材について説明する。
図５は、くさび式足場の隅部に使用される支柱を表した図で、同図（ａ）は斜視図、同図（ｂ）は平面図であり、図中、１０は支柱、１１は垂直パイプ、１２（１２ａ～１２ｄ）はポケット金具、１３（１３ａ～１３ｄ）はポケット部である。
支柱１０は、本発明における垂直部材となるもので、図５に示すように、垂直パイプ１１とポケット金具１２（１２ａ～１２ｄ）等から構成され、垂直パイプ１１は、ジャッキベース（図示せず）を介して地面に設置される。
ポケット金具１２は水平断面がコの字状をしており、４個のポケット金具１２が垂直パイプ１１の円周方向に段差を持って９０度置きに配置され、すなわち、垂直パイプ１１を挟んで向き合うポケット金具１２ａと１２ｃが同じ高さの位置に配置され、ポケット金具１２ｂと１２ｄがポケット金具１２の高さ分下がった位置に配置されて、これらの４個のポケット金具１２が垂直パイプ１１の円周面に接合されている。
これらの４個のポケット金具１２のうち、ポケット金具１２ａが、本発明の第１ポケット金具となり、ポケット金具１２ｂが、本発明の第２ポケット金具となり、ポケット金具１２ｂはポケット金具１２ａに直交する方向に設けられている。
また、これら４個のポケット金具１２は、垂直パイプ１１の垂直方向に一定の間隔で設けられている。
そして、各ポケット金具１２（１２ａ～１２ｄ）と垂直パイプ１１の円周面との間にポケット部１３（１３ａ～１３ｄ）が形成され、このポケット部１３（１３ａ～１３ｄ）には、くさび式足場に使用される手摺等の各種水平材のくさび部が嵌め込まれる。 [Vertical member]
Next, the vertical member to which the handrail corner member of the present invention is attached will be described.
FIG. 5 is a diagram showing the struts used at the corners of the wedge-type scaffolding, in which (a) is a perspective view and (b) is a plan view. Vertical pipes, 12 (12a to 12d) are pocket fittings, and 13 (13a to 13d) are pocket portions.
The strut 10 is a vertical member in the present invention, and as shown in FIG. placed on the ground through
The pocket fitting 12 has a U-shaped horizontal cross section, and the four pocket fittings 12 are arranged with steps in the circumferential direction of the vertical pipe 11 at intervals of 90 degrees. The pocket metal fittings 12a and 12c facing each other are arranged at the same height position, and the pocket metal fittings 12b and 12d are arranged at positions lowered by the height of the pocket metal fitting 12, and these four pocket metal fittings 12 are placed on the vertical pipe 11. Bonded to the circumferential surface.
Of these four pocket metal fittings 12, the pocket metal fitting 12a is the first pocket metal fitting of the present invention, the pocket metal fitting 12b is the second pocket metal fitting of the present invention, and the pocket metal fitting 12b is perpendicular to the pocket metal fitting 12a. is provided in
Also, these four pocket fittings 12 are provided at regular intervals in the vertical direction of the vertical pipe 11 .
A pocket portion 13 (13a to 13d) is formed between each pocket metal fitting 12 (12a to 12d) and the circumferential surface of the vertical pipe 11. The pocket portion 13 (13a to 13d) has a wedge-type scaffolding. Wedges of various horizontal members such as handrails used for

図６は、支柱１０に手摺コーナー部材１を取り付けた状態の斜視図、図７は、支柱１０に手摺コーナー部材１を取り付けた状態の平面図である。
図に示すように、第１取付固定部３の第１くさび部３ｄが、垂直パイプ１１のポケット金具１２ａ（第１ポケット金具）のポケット部１３ａに嵌め込まれ、第２取付固定部４の第２くさび部４ｄが、垂直パイプ１１のポケット金具１２ｂ（第２ポケット金具）のポケット部１３ｂに嵌め込まれる。
これにより、くさび式足場の隅部において、手摺コーナー部材１が支柱１０に取り付けられる。
なお、本発明の手摺コーナー部材は、くさび式足場の支柱（垂直部材）に取り付けられるものに限定されず、ポケット金具が設けられていない単管パイプの支柱（垂直部材）を使用した足場における隅部の支柱に取り付けられるものであってもよい。 6 is a perspective view of the handrail corner member 1 attached to the post 10, and FIG. 7 is a plan view of the handrail corner member 1 attached to the post 10. FIG.
As shown in the figure, the first wedge portion 3d of the first mounting fixing portion 3 is fitted into the pocket portion 13a of the pocket metal fitting 12a (first pocket metal fitting) of the vertical pipe 11, and the second mounting fixing portion 4 of the second mounting fixing portion 4 is fitted. The wedge portion 4 d is fitted into the pocket portion 13 b of the pocket fitting 12 b (second pocket fitting) of the vertical pipe 11 .
Thereby, the handrail corner member 1 is attached to the support 10 at the corner of the wedge-type scaffold.
In addition, the handrail corner members of the present invention are not limited to those attached to the struts (vertical members) of the wedge-type scaffolding. It may be attached to the support of the part.

［安全帯用手摺］
次に、本発明の安全帯用手摺について説明する。
安全帯用手摺は、コーナー部とこのコーナー部に連続する非コーナー部を有し、前述のように手摺コーナー部材１が安全帯用手摺のコーナー部を形成する。
図８は、安全帯用手摺の非コーナー部を形成する手摺部材となる直線状パイプの斜視図であり、図中、２０は直線状パイプ、２０ａは長穴、２０ｂは丸穴、２１ａ、２１ｂは直線凸条部である。
図８に示すように、直線状パイプ２０の最上部においては、一端側から順に、直線状パイプ２０を垂直方向に貫通する長穴２０ａ、直線状パイプ２０の全長近くに渡って延びる長い直線凸条部２１ａ、直線状パイプ２０を垂直方向に貫通する丸穴２０ｂ、短い直線凸条部２１ｂが設けられている。
この場合、直線凸条部２１ａ、２１ｂは、安全帯取付具のフレームの間隙部より小さい幅を有し、安全帯用手摺を移動する安全帯取付具が、直線状パイプ２０の直線凸条部２１ａ、２１ｂが設けられた部分を移動できるようになっている。
そして、直線凸条部２１ａ、２１ｂは、直線状パイプ２０上を移動する安全帯取付具が、直線状パイプ２０の円周方向に回転して大きく傾くのを防止する回り止めとして機能する。
図９は、手摺コーナー部材１の湾曲パイプ２と直線状パイプ２０を連結する連結パイプの斜視図であり、図中、２２は連結パイプ、２２ａ、２２ｂは丸穴である。
図９に示すように、連結パイプ２２の両端部近傍には、連結パイプ２２を貫通する丸穴２２ａ、２２ｂが設けられている。 [Handrail for safety belt]
Next, the safety belt handrail of the present invention will be described.
The safety belt handrail has a corner portion and a non-corner portion continuous with the corner portion, and as described above, the handrail corner member 1 forms the corner portion of the safety belt handrail.
FIG. 8 is a perspective view of a straight pipe serving as a handrail member forming a non-corner portion of a safety belt handrail. is a straight ridge.
As shown in FIG. 8, at the top of the straight pipe 20, a long hole 20a penetrating the straight pipe 20 in the vertical direction and a long straight protrusion extending nearly the entire length of the straight pipe 20 are arranged in order from one end. A streak portion 21a, a round hole 20b penetrating the straight pipe 20 in the vertical direction, and a short straight protruding streak portion 21b are provided.
In this case, the straight ridges 21 a and 21 b have a width smaller than the gap between the frames of the safety belt attachment, and the safety belt attachment for moving the safety belt handrail is aligned with the straight ridges of the straight pipe 20 . The portion provided with 21a and 21b can be moved.
The straight ridges 21a and 21b function as detents that prevent the safety belt fixture moving on the straight pipe 20 from rotating in the circumferential direction of the straight pipe 20 and tilting greatly.
FIG. 9 is a perspective view of a connecting pipe that connects the curved pipe 2 and the straight pipe 20 of the handrail corner member 1. In the figure, 22 is the connecting pipe, and 22a and 22b are circular holes.
As shown in FIG. 9 , round holes 22 a and 22 b that penetrate the connecting pipe 22 are provided near both ends of the connecting pipe 22 .

図１０は、湾曲パイプ２と直線状パイプ２０を連結パイプ２２で連結した状態のパイプの軸方向の縦断面図であり、同図（ａ）は、連結パイプ２２に湾曲パイプ２と直線状パイプ２０を嵌め込んだ状態を示し、同図（ｂ）は、連結パイプ２２に湾曲パイプ２と直線状パイプ２０を固定した状態を示しており、図中、２６は皿ボルト、２７はナットである。
図１０（ａ）に示すように、湾曲パイプ２の直線部２ｂ（２ｃ）の内側に連結パイプ２２の一方側が嵌め込まれ、直線部２ｂ（２ｃ）の丸穴２ｄ（２ｅ）と連結パイプ２２の丸穴２２ａの位置が合わせられる。
また、直線状パイプ２０の長穴２０ａが設けられた方の内側に連結パイプ２２の他方側が嵌め込まれ、直線状パイプ２０の長穴２０ａと連結パイプ２２の丸穴２２ｂの位置が合わせられる。
そして、図１０（ｂ）に示すように、丸穴２ｄ（２ｅ）と丸穴２２ａに皿ボルト２６が通され、皿ボルト２６にナット２７が螺合されて湾曲パイプ２と連結パイプ２２が固定される。
また、長穴２０ａと丸穴２２ｂに皿ボルト２６が通され、皿ボルト２６にナット２７が螺合されて直線状パイプ２０と連結パイプ２２が固定される。
このようにして、手摺コーナー部材１の湾曲パイプ２と直線状パイプ２０が連結パイプ２２により連結される FIG. 10 is an axial longitudinal sectional view of a state in which a curved pipe 2 and a straight pipe 20 are connected by a connecting pipe 22. FIG. 20 is shown, and FIG. 2(b) shows a state where the curved pipe 2 and the straight pipe 20 are fixed to the connecting pipe 22. In the figure, 26 is a countersunk bolt and 27 is a nut. .
As shown in FIG. 10(a), one side of the connecting pipe 22 is fitted inside the straight portion 2b (2c) of the curved pipe 2, and the round hole 2d (2e) of the straight portion 2b (2c) and the connecting pipe 22 The positions of the round holes 22a are aligned.
Also, the other side of the connecting pipe 22 is fitted inside the side of the straight pipe 20 where the long hole 20a is provided, and the long hole 20a of the straight pipe 20 and the round hole 22b of the connecting pipe 22 are aligned.
Then, as shown in FIG. 10(b), a countersunk bolt 26 is passed through the round hole 2d (2e) and the round hole 22a, and a nut 27 is screwed onto the countersunk bolt 26 to fix the curved pipe 2 and the connecting pipe 22. be done.
A countersunk bolt 26 is passed through the elongated hole 20a and the round hole 22b, and a nut 27 is screwed onto the countersunk bolt 26 to fix the linear pipe 20 and the connecting pipe 22 together.
In this way, the curved pipe 2 and the straight pipe 20 of the handrail corner member 1 are connected by the connecting pipe 22.

図１１は、安全帯用手摺の非コーナー部において、直線状パイプ２０同士を連結すると共に、連結した直線状パイプ２０を垂直部材（支柱）に取り付けて固定する連結取付固定部材の斜視図である。
図中、２３は連結取付固定部材、２４は連結部、２４ａは中央パイプ部、２４ｂ、２４ｃは嵌め込みパイプ部、２４ｄ、２４ｅは丸穴、２４ｋは切欠き部、２５は取付固定部、２５ａはパイプ支持板、２５ｂは窓孔、２５ｃはアーム、２５ｄはくさび部、ＨＳは幅狭部である。
図１１に示すように、連結取付固定部材２３は、連結部２４と取付固定部２５等から構成される。
連結部２４は、中央パイプ部２４ａと嵌め込みパイプ部２４ｂ、２４ｃからなり、中央パイプ部２４ａの両端部に嵌め込みパイプ部２４ｂ、２４ｃが挿入されて溶接等で接合されている。
中央パイプ部２４ａには、パイプの中央下部が大きく除去された切欠き部２４ｋが形成され、嵌め込みパイプ部２４ｂ、２４ｃには、嵌め込みパイプ部２４ｂ、２４ｃを貫通する丸穴２４ｄ、２４ｅが設けられている。
取付固定部２５は、パイプ支持板２５ａと、パイプ支持板２５ａに一端が溶接等で接合されたアーム２５ｃと、アーム３ｃの他端に溶接等で接合されたくさび部２５ｄとから構成される。
パイプ支持板２５ａには窓孔２５ｂが設けられ、その下面は、中央パイプ部２４ａのほぼ全長に渡ってその最上部に溶接等で接合されている。
この場合、パイプ支持板２５ａは、安全帯取付具のフレームの間隙部より小さい幅を有し、安全帯用手摺を移動する安全帯取付具が、中央パイプ部２４ａの部分を移動できるようになっている。
また、切欠き部２４ｋと窓孔２５ｂにより、連結取付固定部材２３には幅が狭くなっている幅狭部ＨＳが形成され、この幅狭部ＨＳにおいて、間隙部を有するリング状のフレームを備えた安全帯取付具と連結取付固定部材２３の着脱ができるようになっている。
なお、連結取付固定部材は、くさび式足場の支柱（垂直部材）に取り付けられるものに限定されず、ポケット金具が設けられていない単管パイプの支柱（垂直部材）を使用した足場の支柱に取り付けられるものであってもよい。 FIG. 11 is a perspective view of a connecting/fixing member that connects straight pipes 20 to each other and fixes the connected straight pipes 20 to a vertical member (post) at a non-corner portion of the safety belt handrail. .
In the figure, 23 is a connecting and fixing member, 24 is a connecting portion, 24a is a central pipe portion, 24b and 24c are fitting pipe portions, 24d and 24e are round holes, 24k is a notch portion, 25 is a mounting and fixing portion, 25a is A pipe support plate, 25b is a window hole, 25c is an arm, 25d is a wedge portion, and HS is a narrow portion.
As shown in FIG. 11, the connecting/fixing member 23 includes a connecting portion 24, a fixing/fixing portion 25, and the like.
The connecting portion 24 is composed of a central pipe portion 24a and fitting pipe portions 24b and 24c. The fitting pipe portions 24b and 24c are inserted into both ends of the central pipe portion 24a and joined by welding or the like.
The central pipe portion 24a is formed with a notch portion 24k in which the central lower portion of the pipe is largely removed, and the fitting pipe portions 24b and 24c are provided with round holes 24d and 24e penetrating the fitting pipe portions 24b and 24c. ing.
The fixing portion 25 is composed of a pipe support plate 25a, an arm 25c whose one end is welded to the pipe support plate 25a, and a wedge portion 25d whose other end is welded to the arm 3c.
A window hole 25b is provided in the pipe support plate 25a, and the lower surface of the window hole 25b is welded or the like to the uppermost portion of the central pipe portion 24a over substantially the entire length thereof.
In this case, the pipe support plate 25a has a width smaller than the gap in the frame of the safety belt attachment, so that the safety belt attachment that moves the safety belt handrail can move in the central pipe portion 24a. ing.
The notch portion 24k and the window hole 25b form a narrow portion HS in the connection mounting fixing member 23, and the narrow portion HS is provided with a ring-shaped frame having a gap. The safety belt fixture and the connecting fixing member 23 can be attached and detached.
In addition, the connecting and fixing members are not limited to those attached to the wedge-type scaffolding struts (vertical members), and are attached to the scaffolding struts that use single-tube pipe struts (vertical members) without pocket fittings. It may be something that can be obtained.

図１２は、くさび式足場における安全帯用手摺の一部を表した斜視図であり、図１３は、図１２の安全帯用手摺の平面図であり、図中、１４は支柱、１５は垂直パイプ、１６ａはポケット金具である。
図に示すように、くさび式足場の隅部に立設された支柱１０には手摺コーナー部材１が取り付けられ、支柱１０の隣りに立設された支柱１４には連結取付固定部材２３が取り付けられている。
すなわち、手摺コーナー部材１において、第１取付固定部３の第１くさび部３ｄが、支柱１０のポケット金具１２ａのポケット部に嵌め込まれ、第２取付固定部４の第２くさび部４ｄが、支柱１０のポケット金具１２ｂのポケット部に嵌め込まれ、連結取付固定部材２３において、支柱１４の垂直パイプ１５の周面に設けられたポケット金具のうち、ポケット金具１６ｂのポケット部に、取付固定部２５のくさび部２５ｄが嵌め込まれている。
また、手摺コーナー部材１の湾曲パイプ２と直線状パイプ２０の一端が連結パイプ２２で連結されて、皿ボルト２５で固定されている（図１０参照）。
さらに、直線状パイプ２０の他端が、連結取付固定部材２３の嵌め込みパイプ部２４ｂに嵌め込まれて皿ボルト２６で固定され、直線状パイプ２０と連結取付固定部材２３の連結部２４が連結されている。
この場合、皿ボルト２６による直線状パイプ２０の他端と嵌め込みパイプ部２４ｂの固定方法は、図１０に示す湾曲パイプ２の直線部２ｂと連結パイプ２２の固定方法と同じである。
そして、図には示していないが、手摺コーナー部材１の湾曲パイプ２の直線部２ｂには、直線状パイプ２０の一端が連結パイプ２２により連結され、連結取付固定部材２３の連結部２４の嵌め込みパイプ部２４ｃには、直線状パイプ２０の一端が嵌め込まれて連結される。
このようにくさび式足場においては、隅部に立設された支柱には手摺コーナー部材１が取り付けられ、隅部以外の位置に立設された支柱には連結取付固定部材２３が取り付けられ、手摺コーナー部材１と連結取付固定部材２３の各々に直線状パイプ２０が連結され、湾曲パイプ２と直線状パイプ２０が繋がって、直線状パイプ２０同士が繋がった連続した安全帯用手摺が構成される。
なお、手摺コーナー部材や連結取付固定部材は、くさび式足場の支柱（垂直部材）に取り付けられるものに限定されず、ポケット金具が設けられていない単管パイプの支柱（垂直部材）に取り付けられるものであってもよいことから、本発明の安全帯用手摺は、くさび式足場に使用されるものに限定されず、単管パイプの支柱（垂直部材）を立設した足場に使用されるものであってもよい。 FIG. 12 is a perspective view showing a part of the safety belt handrail in a wedge-type scaffold, and FIG. 13 is a plan view of the safety belt handrail in FIG. A pipe 16a is a pocket fitting.
As shown in the figure, a handrail corner member 1 is attached to a post 10 erected at a corner of the wedge-type scaffold, and a connecting fixing member 23 is attached to a post 14 erected next to the post 10. ing.
That is, in the handrail corner member 1, the first wedge portion 3d of the first mounting fixing portion 3 is fitted into the pocket portion of the pocket fitting 12a of the post 10, and the second wedge portion 4d of the second mounting fixing portion 4 is fitted into the pocket portion of the post. 10 is fitted in the pocket portion of the pocket metal fitting 12b, and in the pocket metal fitting provided on the peripheral surface of the vertical pipe 15 of the post 14 in the connection mounting fixing member 23, the mounting fixing portion 25 is attached to the pocket portion of the pocket metal fitting 16b. The wedge portion 25d is fitted.
One ends of the curved pipe 2 and the linear pipe 20 of the handrail corner member 1 are connected by a connecting pipe 22 and fixed by a countersunk bolt 25 (see FIG. 10).
Furthermore, the other end of the straight pipe 20 is fitted into the fitting pipe portion 24b of the connection attachment fixing member 23 and fixed with a countersunk bolt 26, and the straight pipe 20 and the connection portion 24 of the connection attachment fixing member 23 are connected. there is
In this case, the fixing method of the other end of the straight pipe 20 and the fitting pipe portion 24b by the countersunk bolt 26 is the same as the fixing method of the straight portion 2b of the curved pipe 2 and the connecting pipe 22 shown in FIG.
Although not shown in the drawings, one end of the straight pipe 20 is connected to the straight portion 2b of the curved pipe 2 of the handrail corner member 1 by a connecting pipe 22, and the connecting portion 24 of the connecting fixing member 23 is fitted. One end of the linear pipe 20 is fitted and connected to the pipe portion 24c.
In this way, in the wedge-type scaffolding, the handrail corner member 1 is attached to the column erected at the corner, and the connection fixing member 23 is attached to the column erected at a position other than the corner. A straight pipe 20 is connected to each of the corner member 1 and the connecting/fixing member 23, and the curved pipe 2 and the straight pipe 20 are connected to form a continuous safety belt handrail in which the straight pipes 20 are connected to each other. .
Note that the handrail corner members and connection mounting fixing members are not limited to those that are attached to the wedge-type scaffolding struts (vertical members), but are those that are attached to single-tube pipe struts (vertical members) that are not provided with pocket metal fittings. Therefore, the safety belt handrail of the present invention is not limited to those used for wedge-type scaffolding, but is used for scaffolding on which single-tube pipe struts (vertical members) are erected. There may be.

［安全帯取付具］
次に、本発明の安全帯用手摺に取り付けられる安全帯取付具について説明する。
図１４は、手摺コーナー部材１の湾曲パイプ２の直線部２ｂに安全帯取付具を取り付けた状態の正面図、図１５は、図１４に示す安全帯取付具の平面図、図１６は図１４に示す安全帯取付具の左側面図、図１７は、図１５のＸ－Ｘ断面図である。
図中、３１は安全帯取付具、３２はフレーム、３２ａ（３２ａ１、３２ａ２）はフレーム本体、３２ｂ（３２ｂ１、３２ｂ２）は端部、３２ｃは係合部、３２ｄは穴、３３（３３ａ、３３ｂ）はボールベアリング、３４（３４ａ、３４ｂ）は割りピンである。
図に示すように安全帯取付具３１は、リング状のフレームであるＣ字状のフレーム３２、一対のボールベアリング３３（３３ａ、３３ｂ）、割りピン３４（３４ａ、３４ｂ）を備えた構造となっている。
フレーム３２は、断面が円形のフレーム本体３２ａ（３２ａ１、３２ａ２）、端部３２ｂ（３２ｂ１、３２ｂ２）、端部３２ｂと対向する位置にあるリング状の係合部３２ｃから構成され、係合部３２ｃには穴３２ｄが形成されている。
フレーム３２は、鉄等の金属の鋳物に亜鉛メッキ等を施した一体物となっているが、フレーム本体３２ａを金属棒とし、この金属棒を曲げ加工して金属製の係合部３２ｃに溶接等で接合したものをフレーム３２としてもよい。
フレーム３２のＣ字状は、図に示すような円弧形状に限定するものではなく、五角形、六角形、八角形等の多角形の一頂点が離れているものであってもよい。
係合部３２ｃは、図に示すようなリング形状のものに限定されず、上側が開放されたＵ字形状のものであってもよい。
ボールベアリング３３は、本発明の円筒状の回転体となるもので、一方のボールベアリング３３ａがフレーム本体３２ａ１の端部３２ｂ１にはめ込まれ、他方のボールベアリング３３ｂが、フレーム本体３２ａ１の端部３２ｂ２にはめ込まれている。この場合、端部３２ｂの外径は、フレーム本体３２ａの外径より若干小さく、端部３２ｂが段付き部となり、ボールベアリング３３がフレーム本体３２ａ側に移動しないようになっている。
本発明の円筒状の回転体は、ボールベアリング３３に限定されるものでなく、ローラーベアリング、スリーブベアリング等であってもよい。
割りピン３４は、ボールベアリング３３の脱落を防止するもので、一方の割りピン３４ａが、端部３２ｂ１の先端部に設けられたピン穴に挿入され、他方の割りピン３４ｂが、端部３２ｂ２の先端部に設けられたピン穴に挿入されている。 [Safety belt attachment]
Next, the safety belt fixture attached to the safety belt handrail of the present invention will be described.
14 is a front view of a state in which the safety belt attachment is attached to the straight portion 2b of the curved pipe 2 of the handrail corner member 1, FIG. 15 is a plan view of the safety belt attachment shown in FIG. 14, and FIG. 17 is a cross-sectional view taken along the line XX of FIG. 15. FIG.
In the figure, 31 is a safety belt fixture, 32 is a frame, 32a (32a1, 32a2) is a frame body, 32b (32b1, 32b2) is an end portion, 32c is an engaging portion, 32d is a hole, and 33 (33a, 33b). is a ball bearing, and 34 (34a, 34b) is a split pin.
As shown in the figure, the safety belt fixture 31 has a structure comprising a C-shaped frame 32, which is a ring-shaped frame, a pair of ball bearings 33 (33a, 33b), and split pins 34 (34a, 34b). ing.
The frame 32 includes a frame main body 32a (32a1, 32a2) having a circular cross section, end portions 32b (32b1, 32b2), and a ring-shaped engaging portion 32c located opposite the end portion 32b. is formed with a hole 32d.
The frame 32 is an integrated body made by galvanizing a casting of a metal such as iron. The frame 32 may be a frame 32 that is joined by, for example.
The C-shape of the frame 32 is not limited to the arc shape shown in the figure, and may be a polygon such as a pentagon, a hexagon, an octagon, etc. with one vertex apart.
The engaging portion 32c is not limited to the ring-shaped one shown in the figure, and may be U-shaped with an open top.
The ball bearing 33 is a cylindrical rotating body of the present invention. One ball bearing 33a is fitted in the end portion 32b1 of the frame main body 32a1, and the other ball bearing 33b is fitted in the end portion 32b2 of the frame main body 32a1. is embedded. In this case, the outer diameter of the end portion 32b is slightly smaller than the outer diameter of the frame main body 32a, and the end portion 32b is a stepped portion so that the ball bearing 33 does not move toward the frame main body 32a.
The cylindrical rotating body of the present invention is not limited to the ball bearing 33, and may be a roller bearing, a sleeve bearing, or the like.
The split pin 34 prevents the ball bearing 33 from coming off. One split pin 34a is inserted into a pin hole provided at the tip of the end portion 32b1, and the other split pin 34b is inserted into the end portion 32b2. It is inserted into a pin hole provided at the tip.

図１８は、手摺コーナー部材１と安全帯取付具３１の各部の寸法の大小関係等を説明するための説明図であり、同図（ａ）は手摺コーナー部材１側の寸法を表し、同図（ｂ）は安全帯取付具３１の寸法を表している。
図中、ＧＡはフレーム３２の間隙部、Ａ１、Ａ２のボールベアリング３３の回転軸、ｄはボールベアリング３３ａとボールベアリング３３ｂの間隔、ｄ１は両ベアリングの下端の間隔、ｄ２は両ベアリングの上端の間隔、Ｄ１はフレーム３２の内径、Ｄ２は湾曲パイプ２（直線部２ｂ）の外径、ｔ１はパイプ支持板３ａの幅、ｔ２は直線凸条部５ｂの幅である。
安全帯取付具３１においては、フレーム３２の左右の端部が離間し、間隙部ＧＡが形成されている。
間隙部ＧＡは、フレーム３２の両端部の間の空間（隙間）と、ボールベアリング３３ａとボールベアリング３３ｂの間の空間（隙間）のうち、狭い方の空間をいうが、本実施形態においては、両空間の幅はほぼ同じであるため、間隙部ＧＡの大きさ（幅）は、ボールベアリング３３ａとボールベアリング３３ｂの間隔の最小値となる。
図１８に示すように、フレーム３２の内径Ｄ１は、湾曲パイプ２（直線部２ｂ）の外径Ｄ２より大きく、ボールベアリング３３ａとボールベアリング３３ｂは互いに向き合っており、両ベアリングの間隔ｄの最小値となるｄ１、すなわち、間隙部ＧＡの大きさ（幅）は、パイプ支持板３ａの幅ｔ１、直線凸条部５ｂの幅ｔ２よりも大きく、両ベアリングは、パイプ支持板３ａの幅ｔ１、直線凸条部５ｂの幅ｔ２以上に離間している。
ボールベアリング３３ａの回転軸Ａ１とボールベアリング３３ｂの回転軸Ａ２は交差し、両ベアリングの下端の間隔ｄ１は上端の間隔ｄ２より小さいことから、両ベアリングの間隔ｄは、フレーム３２の内側（下側）から外側（上側）にかけて広がっている（大きくなっている）。
間隙部ＧＡの大きさ（幅）となる間隔ｄの最小値ｄ１は、湾曲パイプ２（直線部２ｂ）の外径Ｄ２より小さく、間隔ｄは、湾曲パイプ２（直線部２ｂ）の外径Ｄ２より小さくなっている。
そして、手摺コーナー部材１において、パイプ支持板３ａとパイプ支持板３ａの幅は同じであり、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃの幅は同じである。
また、安全手摺の非コーナー部において、直線状パイプ２０に設けられた直線凸条部２１ａ、２１ｂの幅、連結取付固定部材２３のパイプ支持板２５ａの幅は、安全帯取付具３１の間隙部ＧＡの大きさ（幅）より小さい、 18A and 18B are explanatory diagrams for explaining the size relationship between the dimensions of each part of the handrail corner member 1 and the safety belt fixture 31. FIG. (b) represents the dimensions of the safety belt fixture 31. FIG.
In the figure, GA is the gap of the frame 32, the rotation axis of the ball bearing 33 of A1 and A2, d is the gap between the ball bearings 33a and 33b, d1 is the gap between the lower ends of both bearings, and d2 is the upper end of both bearings. D1 is the inner diameter of the frame 32, D2 is the outer diameter of the curved pipe 2 (straight portion 2b), t1 is the width of the pipe support plate 3a, and t2 is the width of the straight ridge portion 5b.
In the safety belt fixture 31, the left and right ends of the frame 32 are separated to form a gap GA.
The gap GA is the narrower of the space (gap) between both ends of the frame 32 and the space (gap) between the ball bearings 33a and 33b. Since the widths of both spaces are substantially the same, the size (width) of the gap GA is the minimum value of the distance between the ball bearings 33a and 33b.
As shown in FIG. 18, the inner diameter D1 of the frame 32 is larger than the outer diameter D2 of the curved pipe 2 (straight portion 2b), the ball bearings 33a and 33b face each other, and the minimum distance d between the two bearings is d1, that is, the size (width) of the gap GA is larger than the width t1 of the pipe support plate 3a and the width t2 of the linear projection 5b. It is spaced apart by width t2 or more of the protruding streak portion 5b.
The rotation axis A1 of the ball bearing 33a and the rotation axis A2 of the ball bearing 33b intersect, and the distance d1 between the lower ends of both bearings is smaller than the distance d2 between the upper ends. ) to the outside (upper side).
The minimum value d1 of the gap d that is the size (width) of the gap GA is smaller than the outer diameter D2 of the curved pipe 2 (straight portion 2b), and the gap d is the outer diameter D2 of the curved pipe 2 (straight portion 2b). is getting smaller.
In the handrail corner member 1, the pipe support plate 3a and the pipe support plate 3a have the same width, and the curved ridges 5a and the straight ridges 5b and 5c have the same width.
In addition, in the non-corner portion of the safety handrail, the width of the straight ridges 21a and 21b provided on the straight pipe 20 and the width of the pipe support plate 25a of the connecting fixing member 23 are the same as the gaps of the safety belt fixture 31. smaller than the size (width) of GA,

以上より、安全用帯手摺に安全帯取付具３１を取り付けた場合、手摺コーナー部材１の湾曲パイプ２、直線状パイプ２０、連結取付固定部材２３の中央パイプ部２４ａ上をボールベアリング３３ａ、３３ｂが転がり、安全帯取付具３１が、パイプ支持板３ａ、４ａやパイプ支持板２５ａ、あるいは、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃや直線凸条部２１ａ、２１ｂに衝突したりすることなく、湾曲パイプ２、直線状パイプ２０、中央パイプ部２４ａ上を抵抗なく円滑に移動することができる。
また、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃ、直線凸条部２１ａ、２１ｂは、安全帯取付具３１のフレーム３２が湾曲パイプ２の円周方向に回転するのを防止する回り止めとし機能し、安全帯取付具３１は、大きく傾いたりすることなく湾曲パイプ２、直線状パイプ２０、中央パイプ部２４ａ上を移動することができる。 As described above, when the safety belt fixture 31 is attached to the safety belt handrail, the ball bearings 33a and 33b are placed on the curved pipe 2 of the handrail corner member 1, the linear pipe 20, and the central pipe portion 24a of the connecting fixing member 23. The safety belt fixture 31 may roll or collide with the pipe support plates 3a, 4a, the pipe support plate 25a, the curved ridges 5a, the straight ridges 5b, 5c, or the straight ridges 21a, 21b. Therefore, it can move smoothly on the curved pipe 2, the straight pipe 20, and the central pipe portion 24a without any resistance.
The curved ridge 5a, the straight ridges 5b and 5c, and the straight ridges 21a and 21b are detents that prevent the frame 32 of the safety belt fixture 31 from rotating in the circumferential direction of the curved pipe 2. The safety belt fixture 31 can move over the curved pipe 2, the straight pipe 20, and the central pipe portion 24a without greatly tilting.

ここで、連結取付固定部材２３には、切欠き部２４ｋと窓孔２５ｂにより幅狭部ＨＳが形成されており、安全帯取付具３１の間隙部ＧＡが通過できるように幅狭部ＨＳの大きさ（幅）が設定されている。
これにより、幅狭部ＨＳにおいて、安全帯取付具３１と連結取付固定部材２３の着脱ができ、安全帯取付具３１を安全帯用手摺に取り付けたり、安全帯用手摺から安全帯取付具３１を取り外したりすることができる。 Here, the connection mounting fixing member 23 has a narrow portion HS formed by the notch portion 24k and the window hole 25b. height (width) is set.
As a result, the safety belt attachment 31 and the connecting attachment fixing member 23 can be attached and detached at the narrow portion HS, the safety belt attachment 31 can be attached to the safety belt handrail, and the safety belt attachment 31 can be removed from the safety belt handrail. can be removed.

［安全装置］
次に、本発明の安全装置について説明する。
図１９は、図１２に示す安全帯用手摺に安全帯取付具３１を取り付け、作業者が身に着けた安全帯を安全帯取付具３１に係合させた状態の正面図であり、図中、４０は安全帯、４１はベルト、４２はベルト金具、４３はロープ、４４はフック部、５０は足場板、ＷＯは作業者である。
図１９に示すように安全帯４０は、ベルト４１、ベルト金具４２、ロープ４３及びフック部４４を備えて、作業者ＷＯの胴部に巻き付けられたベルト４１とロープ４３の一端がベルト金具４２によって連結され、ロープ４３の他端はフック部２４に取り付けられている。
図２０は、安全帯４０のフック部４４の正面図であり、図中、４４ａはフック部本体、４４ｂは閉じ金具、４４ｃはロープ取付金具である。
フック部４４においては、フック部本体４４ａの下部に閉じ金具４４ｂが回動自在に取り付けられ、フック部本体４４ａの下部に設けられた穴にロープ取付金具４４ｃが取り付けられている。
閉じ金具４４ｂはバネ（図示せず）によってその先端部がフック部本体４４ａの先端部に閉じ合されるようになっており、ロープ取付金具４４ｃにはロープ４３が取り付けられている。
足場板５０は、支柱１０に取り付けられた水平材（図示せず）に通常使用される踏板が取り付けられて形成される通常の形状の足場板であり、この足場板５０上を作業者ＷＯが移動する。
図１９に示すように、くさび式足場の隅部に立設された支柱１０には手摺コーナー部材１が取り付けられ、手摺コーナー部材１の湾曲パイプ２（直線部２ｃ）と直線状パイプ２０の一端が連結されて安全帯用手摺の一部が形成されている。
そして、湾曲パイプ２の直線部２ｃに安全帯取付具３１が取り付けられ、安全帯取付具３１の係合部３２ｃには、安全帯４０のフック部４４が引っ掛けられ、これにより、安全帯４０、安全帯取付具３１、安全帯用手摺を備えた本発明の安全装置が構成される。 [Safety device]
Next, the safety device of the present invention will be explained.
FIG. 19 is a front view of a state in which the safety belt fixture 31 is attached to the safety belt handrail shown in FIG. 12 and the safety belt worn by the worker is engaged with the safety belt fixture 31. , 40 is a safety belt, 41 is a belt, 42 is a belt fitting, 43 is a rope, 44 is a hook portion, 50 is a scaffold board, and WO is a worker.
As shown in FIG. 19, the safety belt 40 includes a belt 41, a belt fitting 42, a rope 43, and a hook portion 44. One end of the belt 41 and the rope 43 wound around the torso of the worker WO is held by the belt fitting 42. The other end of the rope 43 is attached to the hook portion 24 .
FIG. 20 is a front view of the hook portion 44 of the safety belt 40. In the figure, 44a is the hook portion main body, 44b is the closing metal fitting, and 44c is the rope mounting metal fitting.
In the hook portion 44, a closing fitting 44b is rotatably attached to the lower portion of the hook portion main body 44a, and a rope attachment fitting 44c is attached to a hole provided in the lower portion of the hook portion main body 44a.
The end of the closing fitting 44b is closed to the end of the hook main body 44a by a spring (not shown), and the rope 43 is attached to the rope fitting 44c.
The scaffolding board 50 is a normal-shaped scaffolding board formed by attaching a normally used footboard to a horizontal member (not shown) attached to the support 10. Moving.
As shown in FIG. 19, a handrail corner member 1 is attached to a post 10 erected at a corner of the wedge-type scaffold. are connected to form a part of the safety belt handrail.
The safety belt attachment 31 is attached to the straight portion 2c of the curved pipe 2, and the hook portion 44 of the safety belt 40 is hooked on the engaging portion 32c of the safety belt attachment 31. The safety device of the present invention is configured with the safety belt fixture 31 and the handrail for the safety belt.

本発明の安全装置においては、安全帯４０を身に着けた作業者ＷＯが移動すると、これに追随して安全帯取付具３１が作業者ＷＯの移動する方向に引っ張られ、手摺コーナー部材１の湾曲パイプ２や直線状パイプ２０上をボールベアリング３３ａ、３３ｂが転がって、安全帯取付具３１が移動する。
そして、安全帯取付具３１が移動しても、パイプ支持板３ａ、４ａ等に衝突することなく、また、湾曲凸条部５ａ、直線凸条部５ｂ、５ｃや直線凸条部２１ａ、２１ｂがあるため、安全帯取付具３１がパイプの円周方向に傾くことはない。
よって、安全帯４０を身に着けた作業者ＷＯは、足場の隅部を含めて通常の形状の足場板５０上を抵抗なく自由に移動することがでる。 In the safety device of the present invention, when the worker WO wearing the safety belt 40 moves, the safety belt fixture 31 is pulled in the direction in which the worker WO moves, and the handrail corner member 1 moves. Ball bearings 33a and 33b roll on the curved pipe 2 and the straight pipe 20 to move the safety belt fixture 31. - 特許庁
Even if the safety belt fixture 31 moves, it does not collide with the pipe support plates 3a, 4a, etc., and the curved ridges 5a, the straight ridges 5b, 5c, and the straight ridges 21a, 21b do not collide. Therefore, the safety belt fixture 31 does not tilt in the circumferential direction of the pipe.
Therefore, the worker WO wearing the safety belt 40 can freely move on the scaffold board 50 having a normal shape including the corners of the scaffold without resistance.

本発明の手摺コーナー部材、安全帯用手摺及び安全装置は、足場の外枠の隅部に垂直部材を立設することができ、特殊形状の足場板を使用することなく、手摺に沿って移動する安全帯を身に着けた作業者が足場の隅部を自由に移動でき、各種足場等の安全帯を使用するものに利用できる。 The handrail corner member, safety belt handrail, and safety device of the present invention allow vertical members to be erected at the corners of the outer frame of the scaffold, allowing movement along the handrail without using specially shaped scaffold boards. The worker wearing the safety belt can freely move around the corners of the scaffolding and can be used for various scaffoldings using the safety belt.

１手摺コーナー部材
２湾曲パイプ
２ａ湾曲部
２ｂ、２ｃ直線部
２ｄ、２ｅ丸穴
３第１取付固定部
４第２取付固定部
３ａ、４ａパイプ支持板
３ｂ、４ｂ枠体
３ｃ、４ｃアーム
３ｄ第１くさび部
４ｄ第２くさび部
５ａ湾曲凸条部
５ｂ、５ｃ直線凸条部
１０支柱
１１垂直パイプ
１２、１２ａ、１２ｂ、１２ｃ、１２ｄポケット金具
１３、１３ａ、１３ｂ、１３ｃ、１３ｄポケット部
１４支柱
１５垂直パイプ
１６ａポケット金具
２０直線状パイプ
２０ａ長穴
２０ｂ丸穴
２１ａ、２１ｂ直線凸条部
２２連結パイプ
２２ａ、２２ｂ丸穴
２３連結取付固定部材
２４連結部
２４ａ中央パイプ部
２４ｂ、２４ｃ嵌め込みパイプ部
２４ｄ、２４ｅ丸穴
２４ｋ切欠き部
２５取付固定部
２５ａパイプ支持板
２５ｂ窓孔
２５ｃアーム
２５ｄくさび部
２６皿ボルト
２７ナット
３１安全帯取付具
３２フレーム
３２ａ、３２ａ１、３２ａ２フレーム本体
３２ｂ、３２ｂ１、３２ｂ２端部
３２ｃ係合部
３２ｄ穴
３３、３３ａ、３３ｂボールベアリング
３４、３４ａ、３４ｂ割りピン
４０安全帯
４１ベルト
４２ベルト金具
４３ロープ
４４フック部
５０足場板
Ａ１、Ａ２ボールベアリング３３の回転軸
ＧＡフレーム３２の間隙部
ＨＳ幅狭部
ＷＯ作業者
1 Handrail corner member 2 Curved pipe 2a Curved parts 2b, 2c Straight parts 2d, 2e Round hole 3 First attachment fixing part 4 Second attachment fixing part 3a, 4a Pipe support plate 3b, 4b Frame 3c, 4c Arm 3d First Wedge portion 4d Second wedge portion 5a Curved ridge portions 5b, 5c Straight ridge portion 10 Post 11 Vertical pipes 12, 12a, 12b, 12c, 12d Pocket fittings 13, 13a, 13b, 13c, 13d Pocket portion 14 Support 15 Vertical Pipe 16a Pocket metal fitting 20 Linear pipe 20a Long hole 20b Round holes 21a, 21b Straight ridge 22 Connecting pipes 22a, 22b Round hole 23 Connecting fixing member 24 Connecting portion 24a Central pipe portions 24b, 24c Fitting pipe portions 24d, 24e Round hole 24k Notch 25 Fixing part 25a Pipe support plate 25b Window hole 25c Arm 25d Wedge part 26 Countersunk bolt 27 Nut 31 Safety belt fixture 32 Frame 32a, 32a1, 32a2 Frame main body 32b, 32b1, 32b2 End 32c Engagement Joint portion 32d Holes 33, 33a, 33b Ball bearings 34, 34a, 34b Split pin 40 Safety belt 41 Belt 42 Belt fitting 43 Rope 44 Hook portion 50 Scaffolding boards A1, A2 Rotation axis GA of ball bearing 33 Gap HS of frame 32 Narrow part WO Operator

Claims

A handrail corner member forming a corner portion of a handrail for a safety belt to which a safety belt attachment having an engaging portion for engaging a ring-shaped frame having a gap and a safety belt is movably attached,
a tubular portion having a linear portion where an end portion of the handrail member forming a non-corner portion continuous with the corner portion is connected in the axial direction of the handrail member and a curved portion continuous with the linear portion;
an attachment fixture supporting the tubular portion and attaching and securing the tubular portion to a corner vertical member of the scaffold;
The handrail corner member, wherein the mounting fixing portion includes a tubular portion supporting portion having a width smaller than that of the gap portion and supporting an upper portion of the tubular portion.

2. The vertical member according to claim 1, wherein said vertical member is a vertical member with a pocket fitting used in a wedge type scaffold, and said mounting fixture comprises a wedge portion inserted into said pocket fitting. balustrade corner member.

the vertical member comprises a first pocket fitting and a second pocket fitting provided in a direction orthogonal to the first pocket fitting;
The mounting fixing portion includes a first mounting fixing portion having a first wedge portion fitted into the pocket portion of the first pocket fitting, and a second mounting fixing portion having a second wedge portion fitted into the pocket portion of the second pocket fitting. 3. A handrail corner member according to claim 2, wherein said handrail corner member comprises two mounting fixings.

The tubular portion is provided with a ridge that prevents the safety belt attachment from rotating in the circumferential direction of the tubular portion, and the ridge has a width smaller than that of the gap. The handrail corner member according to any one of claims 1 to 3, characterized in that:

A handrail for a safety belt to which a ring-shaped frame having a gap and an engaging portion for engaging the safety belt are movably attached to a safety belt fixture,
The safety belt handrail has a corner portion and a non-corner portion continuous with the corner portion,
The handrail corner member forming the corner portion is
a tubular portion having a linear portion to which the end portion of the handrail member forming the non-corner portion is connected in the axial direction of the handrail member and a curved portion continuous with the linear portion;
an attachment fixture for supporting the tubular portion and for attaching and securing the tubular portion to the vertical members at the corners of the scaffold;
A handrail for a safety belt, wherein the mounting fixing portion includes a tubular portion supporting portion having a width smaller than that of the gap portion and supporting an upper portion of the tubular portion.

Equipped with a safety belt, a safety belt attachment comprising a ring-shaped frame having a gap and an engaging portion for engaging the safety belt, and a safety belt handrail to which the safety belt attachment is movably attached. a safety device,
The safety belt handrail has a corner portion and a non-corner portion continuous with the corner portion,
The handrail corner member forming the corner portion is
a tubular portion having a linear portion to which the end portion of the handrail member forming the non-corner portion is connected in the axial direction of the handrail member and a curved portion continuous with the linear portion;
an attachment fixture for supporting the tubular portion and for attaching and securing the tubular portion to the vertical members at the corners of the scaffold;
The safety device according to claim 1, wherein the mounting/fixing portion includes a tubular portion supporting portion having a width smaller than that of the gap portion and supporting an upper portion of the tubular portion.

The ring-shaped frame is a C-shaped frame,
7. The safety device according to claim 6 , wherein said safety belt attachment comprises a pair of cylindrical rotors attached to the ends of said frame.