JPH07106867B2 - Doorway safety device for elevator - Google Patents
Doorway safety device for elevatorInfo
- Publication number
- JPH07106867B2 JPH07106867B2 JP61208241A JP20824186A JPH07106867B2 JP H07106867 B2 JPH07106867 B2 JP H07106867B2 JP 61208241 A JP61208241 A JP 61208241A JP 20824186 A JP20824186 A JP 20824186A JP H07106867 B2 JPH07106867 B2 JP H07106867B2
- Authority
- JP
- Japan
- Prior art keywords
- door
- vertical frame
- elevator
- entrance
- safety device
- 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 - Lifetime
Links
Landscapes
- Elevator Door Apparatuses (AREA)
Description
【発明の詳細な説明】 [発明の目的] (産業上の利用分野) 本発明は、エレベータの出入口安全装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to an entrance / exit safety device for an elevator.
(従来の技術) 一般に、エレベータは、乗降用のドアとして、通常、乗
降場用ドアとかご室用ドアとに別れた横開き式のものが
多く用いられており、利用客は、各階の乗降場側の出入
口に設置された呼びボタンを押してかご室を呼び、乗降
場及びかご室のドアが開いたら乗り込み、かご室の出入
口側に設置された目的階の押しボタンを押し、ドアを閉
じてかご室を目的階に昇降移動させた後、ドアを開いて
乗場側へ降りるようになっている。(Prior Art) Generally, in elevators, as a door for getting in and out, usually a side-opening type door, which is divided into a door for getting on and off and a door for a car room, is often used. Call the car room by pressing the call button installed at the entrance on the side of the hall, board when the doors of the boarding / alighting room and the car room open, and press the push button on the target floor installed at the entrance of the car room and close the door. After moving the car room up and down to the destination floor, you can open the door and get off to the hall side.
ところで、このようなエレベータにおいては、不特定多
数の利用客が無意識のうちにかご室の呼び込み、ドアの
開閉、乗降などといった動作を繰返しているため、乗降
時の安全を確保する上で、ドアには各種の安全装置が設
けられている。By the way, in such an elevator, an unspecified number of passengers unintentionally repeat operations such as calling in a cab, opening and closing a door, getting on and off a door, etc. Are equipped with various safety devices.
そして、この種のドア閉め動作中の安全装置としては、
通常、機械式セフティ、電磁気式セフティ、超音波セン
サー、光電スイッチなどが用いられいるのに対して、ド
ア開時の安全装置には、十分なものが提供されていない
のが実情であり、このため、特にエレベータにあって
は、防火上の規制によりドアを鋼板で作り窓を取付けて
いない場合が多いことから、自動ドアや、電車、バス等
のドアと異なり、何時ドアが開くか判別できないことが
ある。And as a safety device during this kind of door closing operation,
Normally, mechanical safety, electromagnetic safety, ultrasonic sensor, photoelectric switch, etc. are used, but in reality, there are not enough safety devices for opening the door. Therefore, especially in elevators, since doors are often made of steel plate and windows are not attached due to fire prevention regulations, it is impossible to determine when the door opens unlike automatic doors, trains, buses, etc. Sometimes.
また、かご室を各階の乗場側で待つ時には、かご室の位
置表示器を常に見つめていないと、かご室の到着が判り
にくいし、かご室内に乗っている時は、目的階以外でも
乗場側からの呼び出しによって、突然ドアが開くことが
ある。Also, when waiting for the car room on the floor side of each floor, it is difficult to know the arrival of the car room unless you always look at the position indicator of the car room. The door may open suddenly when called from.
このような時、例えば幼児等が乗場側で遊んでいて、乗
場側のドアに寄りかかっていたり、あるいはかご室内が
満員状態で、かご室側のドアに乗客が押しつけられてい
たりすると、ドア開動作時に手や指が出入口を形成する
枠とドアとの間に引き込まれて怪我をする危険性があ
り、このような場合の十分な安全対策も必要である。In such a case, for example, if an infant is playing at the hall side and leaning on the hall door, or if the car room is full and passengers are pressed against the car side door, the door will open. During operation, there is a risk that a hand or a finger may be drawn between the frame forming the doorway and the door to cause an injury, and sufficient safety measures in such a case are also necessary.
そこで、この種の安全装置としては、従来、第6図に示
すように、例えばかご室1側の出入口2を形成する縦枠
3とドア4との間の間隙aに手指Hが挾まれた時、ドア
4の撓みを検知したり、縦枠3にテープスイッチを取り
付けることにより、このテープスイッチが手指Hで押さ
れたときにスイッチング動作させたり、また、縦枠3の
一部を可動自在にして、手指Hで押されたときの縦枠3
の動きに応じて、その裏面側に設置したスイッチを動作
させるなどしたものが種々提案されている。Therefore, as a safety device of this kind, as shown in FIG. 6, a finger H is conventionally sandwiched in a gap a between a door 4 and a vertical frame 3 forming an entrance / exit 2 on the side of a cab 1. At this time, by detecting the bending of the door 4 or by attaching a tape switch to the vertical frame 3, a switching operation can be performed when the tape switch is pressed by a finger H, and a part of the vertical frame 3 can be freely moved. And the vertical frame 3 when pressed with the finger H
There are various proposals for operating a switch installed on the back side of the switch according to the movement of the switch.
(発明が解決しようとする問題点) しかしながら、上記した従来の安全装置では、いずれも
手指Hが、ドア4と枠3との間に挾まれたことを直接検
出するものであって、大きな怪我は防止できるものの、
手指等が挾まれることには変わりがなく、場合によって
は小さな怪我を生じさせる危険があるといった問題があ
った。(Problems to be Solved by the Invention) However, in each of the above-described conventional safety devices, the fact that the finger H is sandwiched between the door 4 and the frame 3 is directly detected, which causes a serious injury. Can be prevented,
There was no change in the fact that fingers and the like were caught, and there was a problem that in some cases there was a risk of causing a small injury.
本発明は、上記の事情のもとになされたもので、その目
的とするところは、従来の安全装置がもっていた本質的
な問題点、すなわち、手指等が挾まれてから検出するの
でなく、手指等が挾まれる前に手前等の異物を検出する
ことができるようにしたより安全性の高いエレベータの
出入口安全装置を提供することにある。The present invention has been made under the circumstances described above, and its purpose is to detect an essential problem that a conventional safety device has, that is, not to detect after a finger or the like is caught, It is an object of the present invention to provide a safer elevator entrance / exit safety device capable of detecting a foreign matter such as the front side before a finger or the like is caught.
[発明の構成] (問題点を解決するための手段) 上記した問題点を解決するために、本発明は、かご室ま
たは乗降場の出入口を形成する縦枠に対し一定の隙間を
維持させて横開き式のドアを開閉自在に設置したエレベ
ータの出入口において、前記縦枠のドアが対面する側の
長手方向に凹部を設け、この凹部内の長手方向に沿って
光を投受光させた光電センサからなる異物検知手段を設
けてなる構成としたものである。[Structure of the Invention] (Means for Solving Problems) In order to solve the problems described above, the present invention maintains a constant gap in a vertical frame that forms an entrance of a car room or an entrance / exit. A photoelectric sensor in which a recess is provided in the longitudinal direction of the side of the vertical frame facing the door, and light is emitted and received along the longitudinal direction in the recess at the entrance and exit of an elevator in which a laterally opening type door is openably and closably installed The foreign matter detecting means is formed.
(作 用) すなわち、本発明は、上記の構成とすることによって、
エレベータの出入口を形成する縦枠のドアが対面する側
の長手方向に設けた凹部内に光を投受光させた光電セン
サからなる異物検知手段を設けるようにしたことから、
手指等がドアと対面する縦枠の近辺に近づいて凹部に挿
入されると同時に光電センサで異物を検知することがで
きるため、この光電センサによる異物の検知信号をドア
の開閉機構に連動させてドアの開閉を即時に停止させる
ように制御させれば、手指等がドアと縦枠との間に挟ま
れる前にドアの開閉を停止させることができ、これによ
って、小さな怪我をも未然に防止することができ、危険
を回避させることが可能になる。(Operation) That is, according to the present invention, with the above configuration,
Since the door of the vertical frame forming the entrance and exit of the elevator is provided with the foreign matter detection means composed of a photoelectric sensor for projecting and receiving light in the recess provided in the longitudinal direction on the side facing the door,
Since a photoelectric sensor can detect a foreign substance at the same time when a finger or the like approaches the vicinity of a vertical frame facing the door and is inserted into the recess, the foreign substance detection signal from the photoelectric sensor can be linked to the door opening / closing mechanism. By controlling the opening and closing of the door to stop immediately, it is possible to stop the opening and closing of the door before fingers and the like are caught between the door and the vertical frame, thereby preventing small injuries. It becomes possible to avoid the danger.
(実 施 例) 以下、本発明の一実施例を第1図から第5図に示す断面
を参照しながら詳細に説明する。なお、本発明に係る図
示の実施例において、第6図に示す従来のエレベータの
出入口と構成が重複する部分は同一符号を用いて説明す
る。(Examples) Hereinafter, an example of the present invention will be described in detail with reference to the cross sections shown in FIGS. 1 to 5. In the illustrated embodiment according to the present invention, the same parts as those of the conventional elevator entrance / exit shown in FIG.
第1図及び第2図に示すように、かご室1の出入口2を
形成する縦枠3には、ドア4と対向した面に、上端部と
下端部とを100mm程度を残して長手方向に凹部31が設け
られ、この凹部31の上下端の終端部に光電センサ5を構
成する投光器5a及び受光器5bをそれぞれ対面させて内蔵
し、光軸Lが前記凹部31の内部長手方向に沿って照射さ
れるようになっている。As shown in FIG. 1 and FIG. 2, in the vertical frame 3 forming the doorway 2 of the car room 1, the upper end and the lower end are left on the surface facing the door 4 in the longitudinal direction with about 100 mm left. A recess 31 is provided, and the projector 5a and the photoreceiver 5b constituting the photoelectric sensor 5 are built in the end portions of the upper and lower ends of the recess 31 so as to face each other, and the optical axis L extends along the inner longitudinal direction of the recess 31. It is designed to be irradiated.
ところで、上記凹部31の大きさは、指先がドア4側に接
することなく挿入し得る最小の大きさとし、約15mm〜20
mm角程度の大きさとなっているもので、また、前記光電
センサ5の出力信号はケーブルを介しドア制御回路に入
力され、ドア開動作中に信号入力があれば、ドア開動作
を一時停止、又は反転して閉動作をさせる等のドア駆動
の変更を行なうような制御系を形成している。By the way, the size of the recess 31 is set to the minimum size that allows the fingertip to be inserted without coming into contact with the door 4 side.
The output signal of the photoelectric sensor 5 is input to the door control circuit via a cable, and if there is a signal input during the door opening operation, the door opening operation is temporarily stopped. Alternatively, a control system is formed so as to change the door drive by reversing the door to perform a closing operation.
さらに、上記かご室1は、出入口2を形成する縦枠3の
左右方向が内装パネル6に固定され、その上部をインジ
ケータ7を内蔵した幕板8に固定してなるとともに、こ
の幕板8を天井9に固定することにより構成されてい
る。Further, in the cab 1 described above, the vertical direction of the vertical frame 3 forming the doorway 2 is fixed to the interior panel 6, and the upper part thereof is fixed to the curtain plate 8 having the indicator 7 built therein. It is configured by being fixed to the ceiling 9.
一方、上記かご室1の出入口2を横開き式に開閉する左
右一対のかご室側ドア4は、開閉端側にクッションゴム
10が固定される化粧目地11を装着してなるとともに、上
部にドアハンガ12によって回転支持されたハンガローラ
13を、前記かご室1側に固定されているドアレール14に
吊り下げられ、またその下部は、前記かご室1の床に固
定された敷居15の溝にドアシュー16が挿入されており、
開方向にガイドされるようになっている。On the other hand, a pair of left and right cab doors 4 for opening and closing the doorway 2 of the cab 1 in a laterally opening manner are provided with cushion rubber on the opening and closing ends.
A hanger roller which is equipped with a decorative joint 11 to which 10 is fixed and which is rotatably supported by a door hanger 12 on the upper part.
13 is suspended on a door rail 14 fixed to the side of the cab 1, and at its lower part, a door shoe 16 is inserted into a groove of a sill 15 fixed to the floor of the cab 1.
It is designed to be guided in the opening direction.
すなわち、上記したドア安全装置は、第3図及び第4図
に示すように、ドア開閉動作中にエレベータ乗客の手指
Hが縦枠3とドア4の間隙aに近づいて凹部31に差し込
まれると、光軸Lが遮断され投光器5aからの光が受光器
5bに届かなくなり、これによって、ドア開動作を制限
し、手指Hが縦枠3とドア4の間隙Aに挟まれるのを防
止し得るようになっているものである。そして、このよ
うに、縦枠3の近辺に近づいた手指Hは、凹部31に挿入
された時、光電センサ5により検出され、検出信号によ
りドア開制御を変更させ、ドア4と縦枠3に挾まれる前
にドアを止めるなどして危険を回避することを可能にし
ている。That is, in the door safety device described above, as shown in FIGS. 3 and 4, when the fingers H of the elevator passenger approach the gap a between the vertical frame 3 and the door 4 and are inserted into the recess 31 during the door opening / closing operation. , The optical axis L is blocked, and the light from the light emitter 5a is received by the light receiver.
5b is no longer reached, thereby limiting the door opening operation and preventing the fingers H from being caught in the gap A between the vertical frame 3 and the door 4. In this way, the fingers H approaching the vicinity of the vertical frame 3 are detected by the photoelectric sensor 5 when they are inserted into the recess 31, and the door opening control is changed by the detection signal so that the door 4 and the vertical frame 3 can be changed. It is possible to avoid the danger by stopping the door before being caught.
また、第5図に示すように、かご室1内が満員状態など
で乗客Mが出入口2の縦枠3の近くに立っている時にド
ア4が開いても、光軸Lが縦枠3の凹部31を通っている
ことから、乗客の体や腕等は縦枠3の側面に阻止されて
凹部31の中にまで入り込まないため、光軸Lを遮ること
がなく、ドア開動作に支障がない。さらに、ドアが開き
始めて出入口近傍を乗客が乗り降りする時も、同様であ
り、ドア開動作に問題はない。この場合、乗客の体の一
部で凹部31より小さい大きさのものが縦枠3とドア4の
間隙aに接近した時のみ凹部31の中に入るので、このと
きには、光軸Lを遮って、間隙aに挟まれる前に確実に
検知することが可能となる。そして、これによって、縦
枠3とドア4の隙に挟まれることのない大きさのもの
が、そばに来ても検知せず、挟まれる可能性のある一定
の大きさ以下のものが近づいた時のみ選択的に動作し得
るようになっているものである。Further, as shown in FIG. 5, even when the passenger M stands near the vertical frame 3 of the entrance / exit 2 and the door 4 opens while the passenger compartment 1 is full, the optical axis L of the vertical frame 3 is Since the passenger's body, arms, etc. are blocked by the side surface of the vertical frame 3 and do not enter the recess 31 because they pass through the recess 31, the optical axis L is not blocked and the door opening operation is hindered. Absent. Further, the same is true when the passenger starts to open the door and gets in and out of the vicinity of the doorway, and there is no problem in the door opening operation. In this case, a part of the passenger's body smaller than the recess 31 enters into the recess 31 only when approaching the gap a between the vertical frame 3 and the door 4, so that the optical axis L is blocked at this time. , It is possible to reliably detect before being caught in the gap a. As a result, a size that is not caught in the gap between the vertical frame 3 and the door 4 is not detected even when it comes near, and a size that is smaller than a certain size that may be caught is approached. It can operate selectively only when.
なお、本発明は、上記の実施例に限定されないものであ
り、かご側のみではなく、乗場側のドアにも使用可能で
ある。The present invention is not limited to the above embodiment, and can be used not only on the car side but also on the hall door.
また、出入口を形成する縦枠の長手方向の一部のみを凹
部としたが、製造上の作り易さの点で、枠全長にわたり
凹部を設け、光電センサは幕板部と床面に設置しても本
発明と同様な作用・効果を発揮させることができる。Also, although only a part of the vertical frame forming the entrance / exit in the longitudinal direction was made into a concave part, the concave part was provided over the entire length of the frame for ease of manufacturing, and the photoelectric sensor was installed on the curtain plate part and the floor surface. However, the same action and effect as the present invention can be exhibited.
さらに、上記光電センサの種別についても、具体例では
投、受光器をそれぞれ一つずつ有する透過形のものを用
いて説明したが、投受光器を一体とし、対向面に反射板
を設置してなる反射形の光電センサを用いてもよい。Further, regarding the type of the photoelectric sensor, in the specific example, the transmission type having one light emitter and one light receiver has been described, but the light emitter and the light receiver are integrated, and the reflection plate is installed on the opposite surface. A reflective photoelectric sensor may be used.
さらにまた、枠に形成した凹部の機能は、ドアとの間隙
に挟まれ得る大きさのものを識別することにあり、通常
の乗降での誤動作を防いでいるが、特に枠を凹形状とせ
ずに、枠の外側で、ドアとの際の近傍に光軸を設け、別
部品として光軸をガードする板状、又は棒状のものを枠
や、床、幕板等に固定して設置してもよいし、あるいは
集光レンズ等で光軸を絞り枠とドアの隙の直前前方に光
軸を設置し戸開動作前に障害物の接近を検出し警告を与
える等の応用も考えられる。Furthermore, the function of the recess formed in the frame is to identify a size that can be sandwiched in the gap with the door, preventing malfunctions during normal boarding and alighting, but without making the frame concave. On the outside of the frame, an optical axis is provided in the vicinity of the door, and a plate-shaped or rod-shaped object that protects the optical axis as a separate component is fixed and installed on the frame, floor, or curtain plate. Alternatively, an optical axis may be installed in front of the gap between the diaphragm and the door with a condensing lens to detect the approach of an obstacle before the door opening operation and give a warning.
その他、本発明は、本発明の要旨を変えない範囲で種々
変更実施可能なことは勿論である。In addition, it goes without saying that the present invention can be variously modified and implemented within the scope of the present invention.
[発明の効果] 以上の説明から明らかなように、本発明によれば、エレ
ベータの出入口を形成する縦枠のドアが対面する側の長
手方向に設けた凹部内に光を投受光させた光電センサか
らなる異物検知手段を設けてなることから、手指等がド
アと対面する縦枠の近辺に近づいて凹部に挿入されると
同時に光電センサで異物を検知することができるため、
この光電センサによる異物の検知信号をドアの開閉機構
に連動させてドアの開閉を即時に停止させるように制御
させれば、手指等がドアと縦枠との間に挟まれる前にド
アの開閉を停止させることができ、これによって、小さ
な怪我をも未然に防止することができ、危険を回避させ
ることができるというすぐれた効果を有するエレベータ
の出入口安全装置を提供することができるものである。[Effects of the Invention] As is apparent from the above description, according to the present invention, a photoelectric conversion device that projects light into and receives light from a recess provided in the longitudinal direction on the side facing the door of the vertical frame that forms the entrance and exit of the elevator. Since the foreign matter detecting means including the sensor is provided, the foreign matter can be detected by the photoelectric sensor at the same time when the fingers and the like approach the vicinity of the vertical frame facing the door and are inserted into the concave portion,
If the detection signal of a foreign substance by this photoelectric sensor is linked to the door opening / closing mechanism to control the door opening / closing to stop immediately, the door opening / closing can be performed before fingers are caught between the door and the vertical frame. Therefore, it is possible to provide an elevator entrance / exit safety device having an excellent effect that a small injury can be prevented in advance and a danger can be avoided.
第1図は本発明に係るエレベータ出入口安全装置を備え
た出入口の一実施例を示す平面図、第2図は同じく出入
口の縦断面図、第3図は同じく要部概略斜視図、第4図
は同じく動作状態を示す説明図、第5図は満員状態に於
ける安全装置の説明図、第6図は従来構造のエレベータ
出入口における動作状態を示す説明図である。 1……かご室、2……出入口、3……縦枠、31……凹
部、4……ドア、5……光電センサ、L……光軸、H…
…手指。FIG. 1 is a plan view showing an embodiment of an entrance / exit provided with an elevator entrance / exit safety device according to the present invention, FIG. 2 is a longitudinal sectional view of the entrance / exit, FIG. Is an explanatory view showing the same operating state, FIG. 5 is an explanatory view of the safety device in a fully occupied state, and FIG. 6 is an explanatory view showing an operating state at an elevator doorway of a conventional structure. 1 ... Car room, 2 ... entrance, 3 ... vertical frame, 31 ... recess, 4 ... door, 5 ... photoelectric sensor, L ... optical axis, H ...
… Fingers.
Claims (1)
枠に対し一定の隙間を維持させて横開き式のドアを開閉
自在に設置したエレベータの出入口において、前記縦枠
のドアが対面する側の長手方向に凹部を設け、この凹部
内の長手方向に沿って光を投受光させた光電センサから
なる異物検知手段を設けたことを特徴とするエレベータ
の出入口安全装置。1. The door of the vertical frame faces the doorway of an elevator in which a laterally-opening type door is installed so as to be openable and closable while maintaining a constant gap with respect to the vertical frame forming the doorway of a car room or a boarding / alighting area. An entrance / exit safety device for an elevator, characterized in that a concave portion is provided in a longitudinal direction of the side, and foreign matter detection means including a photoelectric sensor that projects and receives light is provided along the longitudinal direction in the concave portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61208241A JPH07106867B2 (en) | 1986-09-04 | 1986-09-04 | Doorway safety device for elevator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61208241A JPH07106867B2 (en) | 1986-09-04 | 1986-09-04 | Doorway safety device for elevator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6366084A JPS6366084A (en) | 1988-03-24 |
JPH07106867B2 true JPH07106867B2 (en) | 1995-11-15 |
Family
ID=16552992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61208241A Expired - Lifetime JPH07106867B2 (en) | 1986-09-04 | 1986-09-04 | Doorway safety device for elevator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07106867B2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3958940B2 (en) † | 2001-03-12 | 2007-08-15 | 三菱電機株式会社 | Door device and elevator device |
JP3995522B2 (en) * | 2002-05-08 | 2007-10-24 | 三菱電機株式会社 | Elevator equipment |
CN100379673C (en) | 2002-06-28 | 2008-04-09 | 三菱电机株式会社 | Elevator door control device |
JP4481091B2 (en) * | 2004-06-15 | 2010-06-16 | 三菱電機株式会社 | Sliding door device |
KR101870580B1 (en) * | 2017-08-30 | 2018-06-22 | 윤일식 | Safety device of elevator for hand protection |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5349868U (en) * | 1976-09-30 | 1978-04-27 |
-
1986
- 1986-09-04 JP JP61208241A patent/JPH07106867B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6366084A (en) | 1988-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3958940B2 (en) | Door device and elevator device | |
JP3995522B2 (en) | Elevator equipment | |
JP5542661B2 (en) | Sliding door device and elevator | |
JPWO2004002869A1 (en) | Elevator door control device | |
JP2008273638A (en) | Door device for elevator | |
KR101217326B1 (en) | Elevator door device | |
JP4204896B2 (en) | Sliding door device and elevator device | |
JPH07106867B2 (en) | Doorway safety device for elevator | |
JP3369065B2 (en) | Elevator door pull-in prevention device | |
JP2008044717A (en) | Safety device for elevator entrance | |
JP5577636B2 (en) | Entrance / exit device and elevator device | |
KR101901411B1 (en) | Door Assembly | |
JPH0986841A (en) | Door closing device for elevator | |
KR200355804Y1 (en) | Safety Apparatus for Train Platform | |
JP2871059B2 (en) | elevator | |
JP2005104654A (en) | Elevator door safety device | |
JP2871046B2 (en) | elevator | |
JP2020186104A (en) | Detection device and safety device using the detection device | |
JPH028949Y2 (en) | ||
JPH09255266A (en) | Photoelectric door safety device for elevator | |
JP2647253B2 (en) | Elevator doorway safety devices | |
JP4679939B2 (en) | Elevator door equipment | |
JPS644773Y2 (en) | ||
JPS6323112B2 (en) | ||
JPH11228060A (en) | Safety device for elevator entrance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |