JP2952411B1 - Fall prevention stepladder with safety enclosure - Google Patents
Fall prevention stepladder with safety enclosureInfo
- Publication number
- JP2952411B1 JP2952411B1 JP19243998A JP19243998A JP2952411B1 JP 2952411 B1 JP2952411 B1 JP 2952411B1 JP 19243998 A JP19243998 A JP 19243998A JP 19243998 A JP19243998 A JP 19243998A JP 2952411 B1 JP2952411 B1 JP 2952411B1
- Authority
- JP
- Japan
- Prior art keywords
- stepladder
- safety
- pole
- fall prevention
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Abstract
【要約】
【課題】脚立上の作業者の墜落転倒事故を防止する，囲
い部材及び安全装置を有する，安全囲い装置付転倒防止
脚立を提供すること。
【解決手段】囲い部材１を作業者の腰部近傍周囲に設
け，端部をポール１ａ上端部に固定し，該ポールが貫通
し上下係止・可動な安全装置２を装備し，該安全装置は
安全帯２ｅを連結するフック部材２ｄ，コの字形装置本
体２ａ，係止板２ｂ及びリング形バネ部材２ｃで構成
し，これら中央部を該ポール２が係止・貫通自在な構造
を持ち，ストッパ１ｃを底部に有する該ポールは止め部
材１ｂを側壁に設けたポールガイド１ｅ内部を通り支承
され，台部材３ｄを有する脚立上部両側の梯子支柱３の
連結板３ｅと共に複数の支持部材２ｄにより該ポールガ
イドを支持する脚立である事を特徴とする安全囲い装置
付転倒防止脚立を確保する。A fall prevention stepladder with a safety fence device having a fence member and a safety device for preventing a fall / fall accident of a worker on a stepladder is provided. An enclosure member (1) is provided around the waist of an operator, an end of the enclosure is fixed to an upper end of a pole (1a), and the pole is penetrated and equipped with a vertically movable and movable safety device (2). A hook member 2d for connecting the safety belt 2e, a U-shaped device main body 2a, a locking plate 2b, and a ring-shaped spring member 2c. The pole having the bottom 1c is supported through the inside of a pole guide 1e provided with a stop member 1b on the side wall, and a plurality of supporting members 2d together with the connecting plates 3e of the ladder posts 3 on both sides of the stepladder having the base member 3d. A fall prevention stepladder with a safety fence device characterized by being a stepladder supporting the guide is secured.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は，脚立上の作業者の
墜落転倒事故を防止する，囲い部材及び安全装置を装備
した安全囲い装置付転倒防止脚立に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step-prevention stepladder with a safety-enclosed device equipped with an enclosing member and a safety device for preventing a fall-over accident of an operator on a stepladder.
【０００２】[0002]
【従来の技術】従来，安全囲い装置付転倒防止脚立とし
ては，実開平６─６２２００による脚立上作業の安全装
置があり，４本の梯子支柱を有する通常の折り畳み式脚
立上部に支持筒を取り付け，該支持筒内の弾性体とガイ
ド溝を用いて支柱を支承し，該支柱上端に作業者の安全
帯を連結していた。2. Description of the Related Art Conventionally, as a fall prevention stepladder with a safety fence device, there is a safety device for stepping up operation with a real open flat 6─62200, and a support cylinder is mounted on a normal folding stepladder having four ladder posts. The supporting column is supported by using an elastic body and a guide groove in the supporting cylinder, and a worker's safety belt is connected to the upper end of the supporting column.
【０００３】他の従来例として，本発明者による実願平
８─８４３８による転倒防止補助部材付脚立があり，通
常の折り畳み式脚立の４本の各梯子支柱に折り畳み収納
可能な補助脚を設け，脚立上部に立設・降伏可能な命綱
取付金具を有していた。[0003] As another conventional example, there is a stepladder with a fall prevention auxiliary member by the present inventor in the Japanese Patent Application No. 8-8438, and auxiliary foldable legs are provided on four ladder posts of a normal folding stepladder. , And had a lifeline mounting bracket that could be erected and surrendered on the upper part of the stepladder.
【０００４】[0004]
【発明が解決しようとする課題】従来の実開平６─６２
２００による脚立上作業の安全装置においては，安全帯
を連結する支柱を支承する支持筒内部に弾性体を設け，
クッション性を有する安全装置ではあるが，脚立上の作
業者に対する囲い部材がなく，転落防止機能を持たず，
また安全帯連結部が支柱上部に固定されているので，脚
立の上部に上がらないと使用できず，構造が複雑で故障
時に中が見えないので取扱が困難で，別部品であり折り
畳み等の収納機構がなく，持ち運び，また使用時にはそ
の都度セットしなければならないため，非常に不便であ
り，且つ補助脚を持たない通常の折り畳み式脚立なの
で，作業者の墜落時に脚立とも転倒する問題点を有して
いた。SUMMARY OF THE INVENTION A conventional Japanese Utility Model 6-6
In the safety device for the step-up operation by the 200, an elastic body is provided inside a support cylinder for supporting a column connecting the safety belt,
Although it is a safety device with cushioning properties, it has no enclosure for workers on stepladders and has no fall prevention function.
In addition, since the safety belt connecting part is fixed to the upper part of the column, it cannot be used unless it rises to the upper part of the stepladder, the structure is complicated and the inside is invisible at the time of failure, so it is difficult to handle it. It is very inconvenient because it has no mechanism and must be set each time it is carried and used, and it is a normal folding stepladder without auxiliary legs. Was.
【０００５】従来の実願平８─８４３８による転倒防止
補助部材付脚立は，折り畳み式補助脚を持つ脚立で，立
設・降伏可能な命綱取付金具ではあるが，脚立上の作業
者に対する囲い部材がなく，転落防止機能を持たず，ま
たクッション性を持たない命綱取付金具の問題点を有し
ていた。A conventional stepladder with a fall prevention auxiliary member according to Japanese Utility Model Application No. 8-84438 is a stepladder having folding auxiliary legs, and is a lifeline mounting bracket that can be erected and surrendered. There was a problem with a lifeline mounting bracket without a fall prevention function and without cushioning.
【０００６】[0006]
【課題を解決するための手段】上記の問題点を解決する
ために，本発明の安全囲い装置付転倒防止脚立において
は，囲い部材を脚立上の作業者の腰部近傍周囲に設け該
作業者の転落を防止し，該作業者の安全帯の端部を連結
する安全装置はクッション性を有し，且つ簡単な構造で
収納可能なポールに支承され，脚立上部に設けられた事
を特徴とする。In order to solve the above-mentioned problems, in the fall prevention stepladder with a safety fencing device according to the present invention, a fencing member is provided around the vicinity of the waist of the worker on the stepladder, and the worker is provided with the surrounding member. The safety device for preventing the fall and connecting the end of the safety belt of the worker has a cushioning property, is supported by a pole that can be stored with a simple structure, and is provided on the upper part of the stepladder. .
【０００７】[0007]
【発明の実施の形態】本発明の安全囲い装置付転倒防止
脚立は，樹脂・金属製等のリング形状等の囲い部材を脚
立上の作業者の腰部近傍周囲に設け，該作業者の転落を
防止し，該囲い部材の端部を収納可能なポールの上端部
に固定し，該ポールが貫通し上下係止・可動な安全装置
を装備し，該安全装置は脚立上の作業者の安全を確保す
る為の命綱としての安全帯の端部を連結するフック部材
を脚立外側に開いたコの字形の背面に有する金属製等強
度を有する装置本体，該背面上部近傍に係止され他端が
上下自在な係止板，該係止板と装置本体下部との間にリ
ング形状のバネ部材とで構成され，該係止板，装置本体
とバネ部材の中央部をポールが貫通する構造を持ち，底
部にストッパを有する該ポールは側壁に止め部材を設け
たポールガイド内部を通り係止・貫通自在に支承され，
脚立上部に作業台としての台部材を有し，両側の梯子支
柱を連結する連結板と共に支持部材により該ポールガイ
ドを支持する脚立である事を特徴とする。BEST MODE FOR CARRYING OUT THE INVENTION A fall prevention stepladder with a safety fence device according to the present invention is provided with a ring-shaped enclosure member made of resin, metal or the like around the vicinity of the waist of an operator on the stepladder to prevent the operator from falling. To prevent the end of the enclosure member from being fixed to the upper end of the retractable pole, and to equip the pole with a safety device that can penetrate and lock up and down and move. A metal body of equal strength, with a hook member connecting the ends of the safety belt as a lifeline for securing it on the back of a U-shape opened to the outside of the stepladder. It has a vertically movable locking plate, and a ring-shaped spring member between the locking plate and the lower part of the device main body. A pole penetrates the center of the locking plate, the device main body and the spring member. The pawl having a stopper at the bottom is inside a pawl guide provided with a stopper on the side wall. As locking-through is freely supported, and
The present invention is characterized in that the stepladder has a base member as a working table at the upper part of the stepladder, and the stepladder supports the pole guide by a supporting member together with a connecting plate connecting the ladder posts on both sides.
【０００８】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，樹脂・金属製等から成り，該囲い部材
の大きさ・形状はリング形状等，脚立上の安全な腰部の
作業範囲を囲む事が出来る大きさ・形状とする事がで
き，且つ該囲い部材はボルト等の簡単な取り付け部材を
用い，収納可能なポール上部から取り外し可能な構造と
する事も出来る。The enclosing member in the fall prevention stepladder with the safety enclosing device of the present invention is made of resin, metal or the like, and the size and shape of the enclosing member surround the working range of the safe waist on the stepladder such as a ring shape. The enclosing member can be configured to be detachable from the upper part of the stowable pole by using a simple mounting member such as a bolt.
【０００９】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，樹脂・金属製等から成るＣ形状部材の
一部をポールの上端部に固定し，該Ｃ形状部材の両端部
に開閉自在なバックル等を有するバンドを連結する構造
とし，作業者が使用開始・終了時に出入り自在に用いる
事も出来る。In the fall prevention stepladder with the safety fence device of the present invention, a part of a C-shaped member made of resin, metal or the like is fixed to the upper end of the pole, and both ends of the C-shaped member can be freely opened and closed. The structure is such that a band having a suitable buckle or the like is connected, so that the worker can use it freely at the start and end of use.
【００１０】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，収納する際に，ポール上部の水平方向
の取り付け位置を中心とし，該囲い部材の最端部を上方
向に回転し，更に該最端部がポール外側下部に隣接する
ように約２７０度近く回転させ，折り畳み収納する構造
とする事も出来る。The enclosing member of the fall prevention stepladder with the safety enclosing device according to the present invention is arranged such that, when being stored, the outermost end of the enclosing member is rotated upward about the horizontal mounting position above the pole, and It is also possible to adopt a structure in which the outermost portion is rotated by about 270 degrees so as to be adjacent to the lower portion of the outer side of the pole and folded and stored.
【００１１】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，脚立上の作業者の腰部近傍周囲に設け
ているので，該作業者の転落の防止作用だけでなく，該
作業者が脚立に登り・降り時に，支えガイド或いは手す
りとしての作用をも有する。[0011] Since the surrounding member in the fall prevention stepladder with the safety fencing device of the present invention is provided around the vicinity of the waist of the worker on the stepladder, not only the function of preventing the worker from falling off, but also the function of the stepladder by the worker. It also acts as a support guide or handrail when climbing or descending.
【００１２】本発明の安全囲い装置付転倒防止脚立にお
ける安全装置は，ポール上部に位置する使用状態では，
無負荷の命綱としての安全帯の端部がフック部材に連結
され，バネ部材が押圧し係止板が該ポールに対し傾斜す
る事により該係止板の貫通穴端部が該ポールに押圧し停
止しており，作業者が万一落下して体重による荷重が該
安全帯に負荷されても，該バネ部材により傾斜した該係
止板のポールに対する押圧力と該荷重とが釣り合う位置
まで，該安全装置が所定の滑り落差だけ落ちて停止する
安全なクッション作用を有し，該滑り落差はバネ部材の
弾性力を調節し，所定の距離に設定する事ができ，ま
た，該安全装置をポールに対し上下動させる場合には，
該係止板の端部と装置本体下部との間を女性でも可能な
指等の握力ではさむ事により，該係止板をポールに対し
直角にし上下可動自在に出来る作用を有する。[0012] The safety device in the fall prevention stepladder with the safety fence device of the present invention, in the use state located above the pole,
The end of the safety belt as a no-load lifeline is connected to the hook member, the spring member presses and the locking plate is inclined with respect to the pole, so that the end of the through hole of the locking plate presses the pole. Even if the worker is stopped and the load by weight is applied to the safety belt due to the fall of the worker, the position where the pressing force against the pole of the locking plate inclined by the spring member and the load are balanced. The safety device has a safe cushion function of stopping by dropping by a predetermined sliding head. The sliding head can be adjusted to a predetermined distance by adjusting the elastic force of a spring member. When moving up and down with respect to the pole,
By gripping the end of the locking plate and the lower part of the apparatus body with the gripping force of a finger or the like that can be performed by a woman, the locking plate is perpendicular to the pole and can be moved up and down.
【００１３】本発明の安全囲い装置付転倒防止脚立にお
ける命綱としての安全帯は，使用状況により，該安全帯
の端部を囲い部材に連結して用いる事も出来る。The safety belt as a lifeline in the fall prevention stepladder with the safety fence device of the present invention can be used by connecting the end of the safety belt to a fence member depending on the use condition.
【００１４】本発明の安全囲い装置付転倒防止脚立にお
ける脚立は，ガイドレールを梯子支柱の脚立内側に有
し，該梯子支柱の間に複数の踏み部材を設けた梯子を安
定に地面などの土台に開脚設置するために，脚立外側に
折り畳み可能な構造を有するアウトリガとも呼ばれる，
該梯子を安定に支持する張出部材を形成し，該ガイドレ
ール上に２個のレール台部材を設け，ボルト等の台止め
部材が該レール台部材のネジ孔を貫通し該ガイドレール
底部を押圧し定着自在に可動な構造を有し，上部の該レ
ール台部材上に該張出部材の一端を枢着し，他端近辺の
定点から張出支持部材の一端を枢着し，他端を下部のレ
ール台部材上に枢着した構造を有し，脚立の開閉の支持
・設定の為に，１対の梯子を連結部材を用いて連結する
該連結板のうち，ポール側の一方の該連結板と共に下部
に支承された縦ガイド上に上下自在に可動なガイド台部
材を設け，相対する該梯子支柱上部近傍にステーを設
け，該ステーとガイド台部材間に横部材を対称に連結し
た構造にする事も出来る。The stepladder in the fall prevention stepladder with the safety fence device according to the present invention has a guide rail on the inside of the stepladder of the ladder post, and a ladder provided with a plurality of stepping members between the ladder posts to be stably mounted on a ground or the like. Also called an outrigger that has a structure that can be folded outside the stepladder for installation on the legs,
An overhanging member for stably supporting the ladder is formed, and two rail base members are provided on the guide rail, and a base holding member such as a bolt penetrates a screw hole of the rail base member to form a bottom of the guide rail. One end of the overhanging member is pivotally mounted on the upper rail base member, and one end of the overhanging support member is pivotally mounted from a fixed point near the other end. Is connected to a pair of ladders using a connecting member to support and set the opening and closing of the stepladder. A vertically movable guide base member is provided on a vertical guide supported at a lower portion together with the connecting plate, and a stay is provided near an upper portion of the opposed ladder support, and a horizontal member is symmetrically connected between the stay and the guide base member. It can also be a structure that did.
【００１５】本発明の安全囲い装置付転倒防止脚立にお
ける脚立は，梯子を安定に地面などの土台に開脚設置す
るために，脚立外側に折り畳み可能な構造を有するアウ
トリガとも呼ばれる，該梯子を安定に支持する張出部材
を形成し，上下２個のレール台部材の位置の調節によ
り，該張出部材の梯子支柱下面からの距離を可変する事
ができ，且つ該梯子支柱に対する張出部材の水平面上の
位置・角度も調節可能となり，凹凸状態の土台に対して
梯子の転倒を防止し設置され，更に作業者の落下時にも
安定に脚立を支持する事ができ且つ折り畳み可能な構造
にする事も出来る。The stepladder in the fall prevention stepladder with the safety fence device of the present invention is also called an outrigger having a structure that can be folded outside the stepladder in order to stably open the ladder on a base such as the ground. The distance between the overhang member and the underside of the ladder support can be varied by adjusting the positions of the upper and lower two rail support members. The position and angle on the horizontal plane can also be adjusted, and the ladder is installed on the uneven base to prevent it from falling over. Furthermore, the stepladder can be stably supported even when the worker falls, and the structure is foldable. You can do things.
【００１６】本発明の安全囲い装置付転倒防止脚立にお
いて，ポールガイド下部の止め部材を緩めポールを下ろ
し，囲い部材，安全装置と該ポールを収納し，全てのレ
ール台部材の台止め部材を緩め張出部材を梯子支柱内側
に収め，縦ガイド上の横部材を連結したガイド台部材を
押し上げ脚立を閉脚し，安全囲い装置付転倒防止脚立全
体をコンパクトに折り畳み収納する事も出来る。In the fall prevention stepladder with the safety fence device of the present invention, the stop member at the lower portion of the pole guide is loosened and the pole is lowered, the fence member, the safety device and the pole are housed, and the foot stop members of all the rail base members are loosened. The overhang member is housed inside the ladder support, the guide base member connecting the horizontal members on the vertical guide is pushed up, and the stepladder is closed, so that the entire fall prevention stepladder with a safety fencing device can be compactly folded and stored.
【００１７】[0017]
【実施例】この発明の実施例の図面において，図１は使
用状態の安全囲い装置付転倒防止脚立の正面図，図２は
使用状態の同脚立の一部欠載平面図，図３は使用状態の
同脚立の（Ａ）は一部欠載側面図，（Ｂ）はｘｘ′平面
断面図，図４は安全囲い装置付転倒防止脚立における，
（Ａ）は安全装置係止状態の一部欠載拡大中央断面説明
図，（Ｂ）は可動状態の同説明図，そして図５は安全囲
い装置付転倒防止脚立の収納状態の側面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS In the drawings of the embodiment of the present invention, FIG. 1 is a front view of a fall prevention stepladder with a safety enclosure in use, FIG. 2 is a partially cutaway plan view of the stepladder in use, and FIG. (A) of the stepladder in this state is a partially cutaway side view, (B) is a sectional view taken along the xx 'plane, and FIG.
(A) is a partially cut-away enlarged central sectional view of the safety device locked state, (B) is an explanatory view of the movable state, and FIG. 5 is a side view of the fall prevention stepladder with the safety enclosure device in a stored state. .
【００１８】この発明の実施例を図面を参照して以下説
明すると，図１の正面図，図２の平面図，そして図３の
（Ａ）一部欠載側面図及び（Ｂ）ｘｘ′平面断面図にお
いて，樹脂製或いは金属製等のリング形状等の囲い部材
（１）を脚立上の作業者の腰部近傍周囲に設け，該作業
者の転落を防止し，該囲い部材の端部をポール（１ａ）
の上端部に固定し，該ポールが貫通し上下係止・可動な
安全装置（２）を装備し，該安全装置は作業者の命綱と
しての安全帯（２ｅ）の端部を連結するフック部材（２
ｄ）を脚立外側に開いたコの字形の背面に有する金属製
等強度を有する装置本体（２ａ），該背面上部近傍に係
止され他端が上下自在な係止板（２ｂ），該係止板と装
置本体下部との間にリング形状のバネ部材（２ｃ）とで
構成され，該係止板，装置本体とバネ部材の中央部を該
ポールが貫通する構造を持ち，該バネ部材が押圧し該係
止板がポールに対し傾斜する事により該係止板の貫通穴
端部が該ポールに押圧し安全なクッション性をも持つ係
止作用を有し，該係止板に握力等で外力を加え該ポール
に対し直角にする事により，該ポールに対し上下可動自
在な該安全装置は，底部にストッパ（１ｃ）を有する該
ポールは側壁に止め部材（１ｂ）を設けたポールガイド
（１ｅ）内部を通り係止・貫通自在に支承され，脚立上
部に作業台としての台部材（３ｄ）を有し，両側の梯子
支柱（３）を持つ１対の梯子を連結する連結板（３ｅ）
と共に支持部材（１ｄ）により該ポールガイドを支持す
る脚立である事を特徴とする。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view, FIG. 2 is a plan view, and FIG. In the sectional view, an enclosing member (1) such as a resin or metal ring is provided around the waist of an operator on a stepladder to prevent the operator from falling down, and the end of the enclosing member is poled. (1a)
A safety device (2), which is fixed to the upper end of the vehicle and which is vertically movable through the pawl, and is connected to an end of a safety belt (2e) as a lifeline of an operator. (2
d) a metal main body (2a) having a U-shaped back surface opened to the outside of the stepladder and having equal strength, a locking plate (2b) locked near the upper part of the back surface and having the other end movable up and down; A ring-shaped spring member (2c) is provided between the stop plate and the lower portion of the device main body, and the pawl passes through the locking plate, the device main body, and the center portion of the spring member. When the locking plate is pressed and the locking plate is inclined with respect to the pole, the end of the through-hole of the locking plate is pressed against the pole and has a locking action having a safe cushioning property. The safety device is movable vertically with respect to the pole by applying an external force to the pole at a right angle to the pole. The pole having a stopper (1c) at the bottom is a pole guide having a stopper (1b) at a side wall. (1e) It is supported so that it can be locked and penetrated freely through the inside, and as a work table on the upper part of the stepladder Base has a member (3d), connecting plate for connecting the pair of ladder with both sides of the ladder post (3) (3e)
And a stepladder supporting the pole guide by a support member (1d).
【００１９】本発明の安全囲い装置付転倒防止脚立にお
ける脚立は，ガイドレールを梯子支柱（３）の脚立内側
に有し，該梯子支柱の間に複数の踏み部材（３ａ）を設
けた梯子を安定に地面などの土台に開脚設置するため
に，脚立外側に折り畳み可能な構造を有するアウトリガ
とも呼ばれる，該梯子を安定に支持する張出部材（３
ｂ）を形成し，該ガイドレール上に２個のレール台部材
（３ｊ）を設け，ボルト等の台止め部材（４ａ）が該レ
ール台部材のネジ孔を貫通し該ガイドレール底部を押圧
し定着自在に可動な構造を有し，上部の該レール台部材
上に該張出部材の一端を枢着し，他端近辺の定点から張
出支持部材（３ｃ）の一端を枢着し，他端を下部のレー
ル台部材（３ｊ）上に枢着し，上下２個の該レール台部
材の位置の調節により，該張出部材の梯子支柱下面から
の距離を可変する事ができ，且つ該梯子支柱に対する張
出部材の水平面上の位置・角度も調節可能となり，凹凸
状態の土台に対して梯子の転倒を防止し設置され，更に
作業者の落下時にも安定に脚立を支持する事ができ，且
つ折り畳み可能な構造となる事を特徴とする。The stepladder in the fall prevention stepladder with the safety fence device of the present invention is a ladder having a guide rail inside the stepladder of the ladder support (3) and a plurality of step members (3a) provided between the ladder supports. An outrigger (3), which is also called an outrigger having a structure that can be folded outside the stepladder, to stably open the legs on a base such as the ground.
b) is formed, two rail base members (3j) are provided on the guide rail, and a base retaining member (4a) such as a bolt penetrates a screw hole of the rail base member and presses the bottom of the guide rail. One end of the overhang member is pivotally mounted on the upper rail base member, and one end of the overhang support member (3c) is pivotally mounted at a fixed point near the other end. The end is pivotally mounted on the lower rail base member (3j), and by adjusting the positions of the upper and lower two rail base members, the distance of the overhang member from the lower surface of the ladder support can be varied, and The position and angle of the overhang member on the horizontal plane with respect to the ladder support can also be adjusted. The ladder is installed on the uneven base to prevent it from overturning, and the stepladder can be stably supported even when the worker falls. And a foldable structure.
【００２０】本発明の安全囲い装置付転倒防止脚立にお
ける，脚立の開閉と開脚時の支持・設定は１対の梯子を
連結部材（４）を用いて連結する連結板（３ｅ）のう
ち，ポール（１ａ）側の一方の該連結板と共に下部に支
承された縦ガイド（３ｆ）上に上下自在に可動なガイド
台部材（３ｊ）を設け，相対する梯子支柱（３）上部近
傍にステー（３ｇ）を設け，該ステーとガイド台部材間
に横部材（３ｈ）を対称に連結し，開脚時に該横部材が
一直線となり該ガイド台部材が縦ガイド下部に停止し支
持・設定され，閉脚時に該ガイド台部材が縦ガイド上部
に上昇し該ステーが互いに閉じる事を特徴とする。In the fall prevention stepladder with a safety fence device of the present invention, the opening and closing of the stepladder and the support and setting at the time of opening the leg are performed by using a connecting plate (3e) for connecting a pair of ladders using a connecting member (4). A vertically movable guide base member (3j) is provided on a vertical guide (3f) supported at the lower part together with one of the connecting plates on the pole (1a) side, and a stay ( 3g), a horizontal member (3h) is symmetrically connected between the stay and the guide base member, the horizontal member becomes straight when the legs are opened, the guide base member stops at the lower portion of the vertical guide, is supported and set, and the legs are closed. Sometimes, the guide base member rises to the upper part of the vertical guide and the stays close to each other.
【００２１】図４は本発明の安全囲い装置付転倒防止脚
立における，（Ａ）は安全装置係止状態の一部欠載拡大
中央断面説明図，（Ｂ）は可動状態の同説明図を示し，
（Ａ）の上部の安全装置はポール（１ａ）上部に位置す
る使用状態の安全装置（２）であり，無負荷の命綱とし
ての安全帯（２ｅ）の端部がフック部材（２ｄ）に連結
され，該フック部材を脚立外側に開いたコの字形の背面
に有する装置本体（２ａ）の背面上部近傍に係止部材
（２ｆ）を用いて係止板（２ｂ）が係止され，他端が上
下自在な該係止板と装置本体下部との間にリング形状の
バネ部材（２ｃ）とで構成され，該係止板，装置本体と
バネ部材の中央部を該ポールが貫通する構造を持ち，該
バネ部材が押圧し該係止板がポールに対し傾斜する事に
より該係止板の貫通穴端部が該ポールに押圧し停止して
おり，（Ａ）の下部の安全装置（２）の様に，作業者が
万一落下し体重による荷重Ｆが該安全帯に負荷されて
も，該バネ部材により傾斜した該係止板のポールに対す
る押圧力と該荷重Ｆとが釣り合う位置まで，該安全装置
が滑り落差Ｌだけ落ちて停止する作用を有し，該滑り落
差Ｌはバネ部材の弾性力を調節し，例えば，約２０ｃｍ
程度の所定の距離に設定する事ができ，また，該安全装
置をポールに対し上下動させる場合には（Ｂ）に示すよ
うに，該係止板の端部と装置本体下部との間を女性でも
可能な指等の握力ｆではさむ事により，該係止板をポー
ルに対し直角にし上下可動自在に出来る事を特徴とす
る。FIGS. 4A and 4B are partially cut-away enlarged central sectional views of the fall prevention stepladder with the safety enclosure according to the present invention, in which the safety device is locked, and FIG. ,
The safety device in the upper part of (A) is a safety device (2) in use in the upper position of the pole (1a), and the end of the safety belt (2e) as a no-load lifeline is connected to the hook member (2d). A locking plate (2b) is locked by using a locking member (2f) near an upper rear surface of the apparatus main body (2a) having the hook member on a U-shaped rear surface opened to the outside of the stepladder. Is formed by a ring-shaped spring member (2c) between the vertically movable locking plate and the lower part of the apparatus main body, and the pole penetrates the center of the locking plate, the main body of the apparatus and the spring member. When the spring member presses and the locking plate is inclined with respect to the pole, the end of the through hole of the locking plate is pressed against the pole and stopped, and the safety device (2) at the lower part of FIG. Even if the worker falls and the load F by weight is applied to the safety belt as in The safety device has a function of stopping by dropping by the sliding head L until the pressing force of the inclined locking plate against the pole and the load F are balanced, and the sliding head L adjusts the elastic force of the spring member. And, for example, about 20cm
When the safety device is moved up and down with respect to the pole, as shown in (B), the distance between the end of the locking plate and the lower part of the device body is set as shown in (B). It is characterized in that the locking plate can be made perpendicular to the pole so that it can be moved up and down freely by gripping with a gripping force f of a finger or the like that is possible even for a woman.
【００２２】図５は本発明の安全囲い装置付転倒防止脚
立において，囲い部材（１）及び安全装置（２）を装備
したポール（１ａ）を収納し，脚立を閉脚した状態を示
し，該囲い部材及び安全装置を収納するには，ポールガ
イド（１ｅ）下部の止め部材（１ｂ）を緩め該ポールを
下ろし，脚立の閉脚には，全てのレール台部材（３ｉ）
の台止め部材（４ａ）を緩め，張出部材（３ｂ）を梯子
支柱（３）内側に収め，縦ガイド上の横部材（３ｈ）を
連結したガイド台部材を押し上げ該梯子支柱を閉じて確
保する事が出来る。FIG. 5 shows a fall prevention stepladder with a safety fence device according to the present invention, in which a pole (1a) equipped with a fence member (1) and a safety device (2) is housed and the stepladder is closed. To store the members and the safety device, loosen the stop member (1b) at the lower part of the pole guide (1e), lower the pole, and close all the rail base members (3i) for the closing leg of the stepladder.
Loosen the stop member (4a), put the overhang member (3b) inside the ladder post (3), push up the guide base member that connects the horizontal member (3h) on the vertical guide, and close the ladder post to secure it. You can do it.
【００２３】[0023]
【発明の効果】本発明は，以上説明した様な形態で実施
され，以下に記載される様な効果を有する。The present invention is embodied in the form described above and has the following effects.
【００２４】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，脚立上の作業者の腰部近傍周囲に設け
ているので，該作業者の転落防止効果だけでなく，該作
業者が脚立に登り・降り時に，支えガイド或いは手すり
としての安全効果をも有する。Since the surrounding member in the fall prevention stepladder with the safety fencing device of the present invention is provided around the vicinity of the waist of the worker on the stepladder, not only the effect of preventing the worker from falling off, but also the worker is able to stand on the stepladder. When climbing and descending, it also has a safety effect as a support guide or handrail.
【００２５】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材と安全装置は，作業者が万一落下しても，
該作業者が囲い部材を手或いは脇で保持することもで
き，クッション効果を有し，更に該安全装置が所定の滑
り落差だけ落ちて停止する安全な二重のクッション効果
を有し，該滑り落差は所定の距離に設定する事ができ，
また，該安全装置をポールに対し上下動させる場合に
は，係止板の端部と装置本体下部との間を女性でも可能
な指等の握力ではさみ上下可動自在に出来る効果を有
し，且つ簡単な構造で故障時にも外から見て容易に取り
扱う事ができ，収納可能なポールに支承され，囲い部材
と脚立とともに一体型収納式であるため，ワンタッチで
使用可能である。The enclosure member and the safety device in the fall prevention stepladder with the safety enclosure device according to the present invention can be used even if an operator falls down.
The operator can hold the enclosure member by hand or aside, has a cushioning effect, and furthermore, the safety device has a double cushioning effect in which the safety device falls down by a predetermined sliding head and stops. The head can be set to a predetermined distance,
In addition, when the safety device is moved up and down with respect to the pole, the gap between the end of the locking plate and the lower part of the device body is gripped by a finger or the like that can be held by a woman so that the device can be moved up and down freely. In addition, it has a simple structure and can be easily handled from the outside even in the event of a failure. It is supported by a stowable pole, and is integrated with the enclosing member and the stepladder, so that it can be used with one touch.
【００２６】本発明の安全囲い装置付転倒防止脚立にお
ける安全装置は，可動式のため，脚立に上がる前に安全
帯をフック部材に装着し任意の位置で使用でき，中段で
の使用・落下にも機能し安全性が高く，該フック部材が
脚立内側を向いているので落下時の作業者の重心が脚立
重心近傍に位置し安全性が確保され，ポールがストレー
トのため，脚立の上がり下がりに手すりの役目を果た
し，不安がなく，またバランスを崩すことなく脚立を使
用でき落下事故を防止する効果を有する。The safety device in the fall prevention stepladder with the safety fence device of the present invention is a movable type, so that a safety belt can be attached to a hook member before climbing to the stepladder and used at an arbitrary position. The hook member faces the inside of the stepladder so that the center of gravity of the worker at the time of the fall is located near the center of gravity of the stepladder, ensuring safety. It plays the role of a railing, has no anxiety and can use a stepladder without losing balance, and has the effect of preventing a fall accident.
【００２７】本発明の安全囲い装置付転倒防止脚立は，
安定に地面などの土台に開脚設置するためのアウトリガ
とも呼ばれる可動式の張出部材をも持つこともでき，ス
ペースに応じた張出部材の伸展ができ，凹凸状態の土台
に対して脚立の転倒を防止し設置され，更に作業者の落
下時にも安定に脚立を支持する事ができ，脚立本体の安
定度も大幅に向上させる事も出来る。The fall prevention stepladder with the safety fence device of the present invention is
It can also have a movable overhang member, also called an outrigger, to stably open the legs on the ground or other base, allowing the overhang member to extend according to the space, and a stepladder against an uneven base. The stepladder is installed to prevent falling, and the stepladder can be stably supported even when the worker falls, and the stability of the stepladder body can be greatly improved.
【００２８】本発明の安全囲い装置付転倒防止脚立にお
いて，囲い部材，安全装置とポールを収納し，全ての張
出部材をも脚立内側に収め，脚立を閉脚し，一体として
収納し持ち運ぶ事も出来る。In the fall prevention stepladder with the safety fence device of the present invention, the fence member, the safety device and the pawl are housed, all the overhanging members are also housed inside the stepladder, the stepladder is closed, and the stairs can be housed as a unit. I can do it.
【００２９】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，脚立上の作業者の腰部近傍周囲に設け
ているので，作業時，該囲い部材に体重を預けもたれて
作業する事により，作業能率が向上し，安全性がより確
保できる効果を有する。Since the surrounding member in the fall prevention stepladder with the safety fencing device of the present invention is provided around the vicinity of the waist of the worker on the stepladder, the work can be performed by leaning the weight on the surrounding member and working. This has the effect of improving work efficiency and ensuring safety.
【００３０】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，脚立上の作業者の腰部近傍周囲に設け
ているので，上を向いて作業する場合の”立ちくらみ”
等に起因する転落防止の効果を有する。Since the surrounding member in the fall prevention stepladder with the safety fencing device of the present invention is provided around the vicinity of the waist of the worker on the stepladder, "stand-up" when working upwards.
It has the effect of preventing falling due to the like.
【００３１】本発明の安全囲い装置付転倒防止脚立にお
ける囲い部材は，脚立上の作業者の腰部近傍周囲に設け
ているので，作業者が万一落下しても，該作業者の重心
が脚立近傍にあるために，該脚立自身の転倒を防止する
効果を有する。Since the surrounding member in the fall prevention stepladder with the safety fencing device of the present invention is provided around the vicinity of the waist of the worker on the stepladder, even if the worker falls down, the center of gravity of the worker is kept on the stepladder. Since it is in the vicinity, it has an effect of preventing the stepladder from falling over.
【図１】この発明の実施例を示す，使用状態の安全囲い
装置付転倒防止脚立の正面図。FIG. 1 is a front view of a fall prevention stepladder with a safety enclosure in a used state, showing an embodiment of the present invention.
【図２】この発明の実施例を示す，使用状態の安全囲い
装置付転倒防止脚立の一部欠載平面図。FIG. 2 is a plan view showing a part of the fall prevention stepladder with a safety enclosing device in a used state according to an embodiment of the present invention;
【図３】この発明の実施例を示す，使用状態の安全囲い
装置付転倒防止脚立の（Ａ）は一部欠載側面図，（Ｂ）
はｘｘ′平面断面図。FIG. 3A is a side view of a partly omitted side view of a fall prevention stepladder with a safety enclosing device in use, showing an embodiment of the present invention, and FIG.
Is a xx 'plane sectional view.
【図４】この発明の実施例を示す安全囲い装置付転倒防
止脚立における，（Ａ）は安全装置係止状態の一部欠載
拡大中央断面説明図，（Ｂ）は可動状態の同説明図。4A is a partially cut-away enlarged central cross-sectional explanatory view of a fall prevention stepladder with a safety fence device showing an embodiment of the present invention in a locked state of the safety device, and FIG. .
【図５】この発明の実施例を示す，安全囲い装置付転倒
防止脚立の収納状態の側面図。FIG. 5 is a side view showing the embodiment of the present invention in a state in which the fall prevention stepladder with the safety enclosure device is stored.
１ 囲い部材 １ａ ポール １ｂ 止め部材 １ｃ ストッパ １ｄ 支持部材 １ｅ ポールガイド ２ 安全装置 ２ａ 装置本体 ２ｂ 係止板 ２ｃ バネ部材 ２ｄ フック部材 ２ｅ 安全帯 ２ｆ 係止穴部 ２ｇ 係止部材 ３ 梯子支柱 ３ａ 踏み部材 ３ｂ 張出部材 ３ｃ 張出支持部材 ３ｄ 台部材 ３ｅ 連結板 ３ｆ 縦ガイド ３ｇ ステー ３ｈ 横部材 ３ｉ レール台部材 ３ｊ ガイド台部材 ４ 連結部材 ４ａ 台止め部材 Ｌ 滑り落差 Ｆ 荷重 ｆ 握力 DESCRIPTION OF SYMBOLS 1 Enclosure member 1a Paul 1b Stop member 1c Stopper 1d Support member 1e Pole guide 2 Safety device 2a Device main body 2b Lock plate 2c Spring member 2d Hook member 2e Safety band 2f Lock hole 2g Lock member 3 Ladder post 3a Stepping member 3b Projection member 3c Projection support member 3d Base member 3e Connecting plate 3f Vertical guide 3g Stay 3h Horizontal member 3i Rail base member 3j Guide base member 4 Connection member 4a Base stop member L Sliding head F Load f Gripping force
───────────────────────────────────────────────────── フロントページの続き (72)発明者 奥田 康之 広島県福山市草戸町４丁目21─12─５ (72)発明者 木場 秀文 東京都渋谷区広尾５丁目４番３号 ミド リ安全株式会社内 (58)調査した分野(Int.Cl.6，ＤＢ名) E06C 1/00 - 9/14 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasuyuki Okuda 4-1-25-15 Kusado-cho, Fukuyama City, Hiroshima Prefecture (72) Inventor Hidefumi Kiba 5-3-1 Hiroo, Shibuya-ku, Tokyo Midori Safety Co., Ltd. (58) Investigated field (Int.Cl. 6 , DB name) E06C 1/00-9/14
Claims (1)
傍周囲に設け，該囲い部材の端部を収納可能なポール
（１ａ）の上端部に固定し，該ポールが貫通し上下係止
・可動な安全装置（２）を装備し，該安全装置は，該作
業者の安全帯（２ｅ）を連結するフック部材（２ｄ）を
背面に有する脚立外側に開いたコの字形の装置本体（２
ａ），及び背面上部近傍に係止され他端が上下自在な係
止板（２ｂ）と該装置本体下部との間にリング形バネ部
材（２ｃ）とで構成され，それら構成部材の中央部を該
ポールが係止・貫通自在な構造を持ち，ストッパ（１
ｃ）を底部に有する該ポールは止め部材（１ｂ）を側壁
に設けたポールガイド（１ｅ）内部を通り係止・貫通自
在に支承され，台部材（３ｄ）を有する脚立上部両側の
梯子支柱（３）の連結板（３ｅ）と共に複数の支持部材
（１ｄ）により該ポールガイドを支持する脚立である事
を特徴とする安全囲い装置付転倒防止脚立。An enclosure member (1) is provided around the waist of an operator on a stepladder, and an end of the enclosure member is fixed to an upper end of a stowable pole (1a). Equipped with a locking / movable safety device (2), the safety device is a U-shaped device which has a hook member (2d) on a back surface for connecting a safety belt (2e) of the worker and is open to the outside of a stepladder. Body (2
a), and a ring-shaped spring member (2c) between a locking plate (2b) locked near the upper rear surface and having the other end movable up and down and a lower portion of the apparatus main body. The pole has a structure that can be locked and penetrated, and the stopper (1
The pole having c) at the bottom is supported so as to be locked and penetrable through the inside of a pole guide (1e) provided with a stop member (1b) on the side wall, and a ladder post (2) on both sides of the stepladder having a base member (3d). A stepladder with a safety fence device, characterized in that the stepladder supports the pole guide by a plurality of support members (1d) together with the connecting plate (3e) of (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19243998A JP2952411B1 (en) | 1998-06-22 | 1998-06-22 | Fall prevention stepladder with safety enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19243998A JP2952411B1 (en) | 1998-06-22 | 1998-06-22 | Fall prevention stepladder with safety enclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2952411B1 true JP2952411B1 (en) | 1999-09-27 |
| JP2000008753A JP2000008753A (en) | 2000-01-11 |
Family
ID=16291333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19243998A Expired - Fee Related JP2952411B1 (en) | 1998-06-22 | 1998-06-22 | Fall prevention stepladder with safety enclosure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2952411B1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060939B (en) * | 2014-05-05 | 2016-08-24 | 浙江浙能嘉兴发电有限公司 | A kind of ladder for large-scale grab bucket maintenance |
| JP6947439B2 (en) * | 2015-07-31 | 2021-10-13 | ジー・オー・ピー株式会社 | Leg stand type work table |
| KR101976688B1 (en) * | 2018-03-07 | 2019-05-09 | 현대엔지니어링 주식회사 | ladder safety facilities |
| JP7109646B1 (en) * | 2021-11-25 | 2022-07-29 | 智 遠藤 | Stepladders and ladders that are effective in preventing falls and falls |
-
1998
- 1998-06-22 JP JP19243998A patent/JP2952411B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000008753A (en) | 2000-01-11 |
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