JP3297377B2 - Elevator doorway safety devices - Google Patents
Elevator doorway safety devicesInfo
- Publication number
- JP3297377B2 JP3297377B2 JP13357198A JP13357198A JP3297377B2 JP 3297377 B2 JP3297377 B2 JP 3297377B2 JP 13357198 A JP13357198 A JP 13357198A JP 13357198 A JP13357198 A JP 13357198A JP 3297377 B2 JP3297377 B2 JP 3297377B2
- Authority
- JP
- Japan
- Prior art keywords
- car door
- seat
- car
- door
- folded
- 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
【0001】[0001]
【発明の属する技術分野】本発明は、かご扉を有する乗
りかごと乗場扉を有する乗場との間で乗降客の出入りが
行われるエレベータ出入口で、閉扉時に障害物を検知す
ると、閉扉動作を停止して危険を回避することのできる
安全装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator doorway where passengers enter and exit between a car having a car door and a hall having a hall door. When an obstacle is detected when the door is closed, the door closing operation is stopped. And a safety device that can avoid danger.
【0002】[0002]
【従来の技術】このようなエレベータ出入口の安全装置
としては、従来より、かご扉の開閉端側(先端側)へ若
干量突出して反開閉端側(後端側)へ押圧されると後退
可能な作動体と、この作動体に連動して回転するレバー
と、このレバーの回転動作を検出して再開扉信号を出力
するスイッチとを備え、このスイッチから再開扉信号が
出力されるとかご扉の閉扉動作が停止されて開扉動作に
転じるように構成したものが広く知られている。しかし
ながら、障害物から受ける押圧力を利用するというこの
種の安全装置のみでは、衣服等を挟み込んだまま閉扉し
てしまったり作動体が乗降客の体に衝撃を与えやすいと
いった不都合が懸念されるので、近年、赤外線センサー
等の光電装置を併用して安全性を高めるという技術が提
案されている。2. Description of the Related Art Conventionally, as a safety device for an elevator doorway, it has been possible to protrude a little toward the opening / closing end side (front end side) of a car door and retreat when pressed toward the opposite opening / closing end side (rear end side). An operating body, a lever that rotates in conjunction with the operating body, and a switch that detects the rotation of the lever and outputs a restart door signal, and when the restart door signal is output from this switch, the car door It is widely known that the door closing operation is stopped and the door opening operation is started. However, with this type of safety device that only uses the pressing force received from obstacles, there are concerns about inconveniences such as closing the door with clothes etc. sandwiched in between and the operating body easily applying impact to passengers' bodies. In recent years, a technique has been proposed in which a photoelectric device such as an infrared sensor is used in combination to enhance safety.
【0003】かかる従来提案は、例えば特開平8−19
8556号公報に記載されているように、かご扉の裏側
(乗りかごの外側)で開閉端に近い部位に赤外線センサ
等の光電装置の投光器もしくは受光器を取り付けて、所
定の光路で光(赤外線)が遮断されるか否かを検出する
ことにより、このかご扉の開閉端側における障害物の有
無が検知できるようになっている。このように光を利用
した安全装置を採用すると、障害物が衣服等であっても
速やかに閉扉動作を停止させることができ、障害物と検
知された乗降客の体が機器に押圧されることもなくなる
ので、エレベータ出入口の安全性が向上する。[0003] Such a conventional proposal is disclosed in, for example, Japanese Patent Application Laid-Open No. 8-19.
As described in Japanese Patent Publication No. 8556, a projector or a receiver of a photoelectric device such as an infrared sensor is attached to a portion near the open / close end on the back side of the car door (outside of the car), and a light (infrared ray) is transmitted through a predetermined optical path. ) Can be detected to detect the presence or absence of an obstacle on the open / close end side of the car door. By adopting the safety device using light in this way, even if the obstacle is clothes or the like, the door closing operation can be stopped quickly, and the body of the passenger detected as the obstacle is pressed by the device. As a result, the safety of the elevator entrance is improved.
【0004】[0004]
【発明が解決しようとする課題】ところで、左右方向へ
スライド移動して乗りかごの開閉を行うかご扉は、左右
両側部が乗りかご内から見て裏側へ折り返されていて、
その折り返し端部どうしが補強体にて連結されている
が、エレベータの機種によってはかご扉の左右の折り曲
げ代が小さくて前記折り返し端部がかなり幅狭なものも
あり、その場合、前記従来提案における安全装置の構成
機器(投光器や受光器)を取り付るためのスペースが確
保できなくなってしまう。すなわち、かご扉のうち裏側
へ回り込んでいる部位(折り返し端部)の幅寸法が短い
と、その部位に前記構成機器を安定した姿勢で取り付け
ることは困難になる。そのため、前記折り返し端部が幅
狭なかご扉を備えた既設エレベータに対して前記従来提
案を適用させる場合には、そのかご扉を所望の形状のも
のに交換しなければならず、大幅なコストアップを余儀
なくされるという問題点があった。By the way, the car door which slides in the left and right direction to open and close the car has left and right sides folded back to the rear as viewed from inside the car.
The folded ends are connected by a reinforcing member.However, depending on the type of elevator, there is a small bending allowance on the left and right of the car door and the folded end is considerably narrow. In such a case, it becomes impossible to secure a space for mounting the components of the safety device (light emitter and light receiver). That is, if the width dimension of the part (returned end) of the car door that wraps around to the back side is short, it is difficult to attach the component device to that part in a stable posture. Therefore, when applying the above-mentioned conventional proposal to an existing elevator having a car door having a folded back end portion, the car door must be replaced with a car door having a desired shape, which results in a large cost. There was a problem that was forced to up.
【0005】本発明はこのような従来技術の課題に鑑み
てなされたもので、その目的は、既存のかご扉の折り返
し端部が幅狭であっても、該かご扉に光電装置の構成機
器を簡単かつ確実に取り付けることができて安価に安全
性の向上が図れる、エレベータ出入口の安全装置を提供
することにある。SUMMARY OF THE INVENTION The present invention has been made in view of such problems of the prior art, and an object thereof is to provide a structure in which an existing car door is provided with a photoelectric device even if the folded end of the car door is narrow. It is an object of the present invention to provide a safety device for an elevator doorway, which can easily and surely attach a vehicle and improve safety at low cost.
【0006】[0006]
【課題を解決するための手段】上述した目的を達成すべ
く、本発明は、左右両側部が乗りかご内から見て裏側へ
折り返されているとともに、その折り返し端部どうしが
補強体にて連結されているかご扉を、左右方向へスライ
ド移動させることにより前記乗りかごの開閉が行われる
エレベータの出入口に設置され、前記かご扉に光電装置
の構成機器を取り付けることにより該かご扉の開閉端側
の障害物を検知可能とした安全装置において、前記かご
扉の開閉端側の前記折り返し端部の近傍で該折り返し端
部を反開閉端側へ延長させた位置に、該折り返し端部と
板厚が同等で上下方向に延在する座を配置させて該座を
前記補強体に取り付けるとともに、前記構成機器を前記
かご扉の裏側で前記座に取り付ける構成とした。In order to achieve the above-mentioned object, the present invention is characterized in that both left and right sides are folded back when viewed from inside the car, and the folded ends are connected by a reinforcing member. The car door is installed at the entrance of an elevator where the car is opened and closed by sliding the car door in the left and right direction, and the components of the photoelectric device are attached to the car door to open and close the car door. In the safety device capable of detecting the obstacle of the above, in the vicinity of the folded end on the open / close end side of the car door, at the position where the folded end is extended to the anti-open / close end side, the folded end and the plate thickness And a seat extending in the up-down direction is arranged, and the seat is attached to the reinforcing member, and the component device is attached to the seat behind the car door.
【0007】このように構成される安全装置は、かご扉
の折り返し端部と板厚が同等の座を介在させた状態で、
光電装置の構成機器を該かご扉の補強体に固定するとい
うものなので、該折り返し端部が幅狭であっても、これ
に隣接させて配置した座にて支持する安定した姿勢で該
構成機器を所望の部位に取り付けることができる。した
がって、取付スペースがないためにかご扉の交換を余儀
なくされるという不経済なことをしなくとも、この安全
装置は既存のかご扉に簡単かつ確実に付設することがで
きる。[0007] The safety device constructed as described above, with a seat having the same plate thickness as the folded end portion of the car door interposed,
Since the components of the photoelectric device are fixed to the reinforcing member of the car door, even if the folded end is narrow, the components are held in a stable posture supported by a seat arranged adjacent to the folded end. Can be attached to a desired site. Therefore, the safety device can be easily and reliably attached to an existing car door without the uneconomical necessity of replacing the car door due to lack of mounting space.
【0008】また、前記座に、前記補強体に対して起立
する向きに折曲加工された起立部を設けておけば、該座
の機械的強度が高まるので、衝撃等が加わっても前記構
成機器に悪影響が及びにくくなる。If the seat is provided with an upright portion which is bent in a direction to stand upright with respect to the reinforcing member, the mechanical strength of the seat is increased, so that even if an impact or the like is applied to the seat, the above structure is obtained. Devices are less likely to be adversely affected.
【0009】[0009]
【発明の実施の形態】以下、本発明の一実施形態を図1
および図2に基づいて説明する。ただし、図1はこの実
施形態に係るエレベータ出入口の安全装置を付設したか
ご扉を乗場側から見た正面図、図2は該安全装置とその
周辺部分を図1のA−A線に沿って見た横断面図であ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
A description will be given based on FIG. However, FIG. 1 is a front view of a car door provided with a safety device for an elevator doorway according to this embodiment as viewed from the landing side, and FIG. 2 is a view of the safety device and its surroundings along the line AA in FIG. FIG.
【0010】これらの図に示すように、エレベータ出入
口には、例えば両開きの一対のかご扉2と一対の乗場扉
4とが備えられており、乗りかご1に設けられたかご扉
2を左右方向へスライド移動させると、乗場3に設けら
れた乗場扉4が連動してスライド移動し、乗りかご1お
よび乗場3の開閉が行われるようになっている。かご扉
2は前述したように、左右両側部が乗りかご1内から見
て裏側へ折り返されていて、その折り返し端部2aどう
しが補強体5にて連結されているが、エレベータの機種
によっては図示の如く、かご扉2の左右の折り曲げ代が
小さくて折り返し端部2aがかなり幅狭なものがある。
また、前記補強体5には、かご扉2の開閉端側(先端
側)へ若干量突出して反開閉端側(後端側)へ押圧され
ると後退可能な作動体6と、この作動体6に連動して回
転するレバー7と、このレバー7の回転動作を検出して
再開扉信号を出力するスイッチ8とが設けられていて、
閉扉動作時に一対のかご扉2の間に存する障害物が作動
体6に突き当たると、この作動体6が後退してレバー7
を回転させ、それに伴いスイッチ8から再開扉信号が出
力されてかご扉2が閉扉動作から開扉動作へ転じるよう
になっている。[0010] As shown in these figures, the elevator doorway is provided with, for example, a pair of double-opened car doors 2 and a pair of landing doors 4. When the door is slid, the landing door 4 provided on the landing 3 slides in conjunction therewith, and the car 1 and the landing 3 are opened and closed. As described above, the car door 2 has both left and right sides folded back from the inside of the car 1 and the folded ends 2a are connected to each other by the reinforcing member 5, but depending on the elevator model, As shown in the figure, there is a car door 2 in which the left and right bending margins are small and the folded end 2a is considerably narrow.
The reinforcing member 5 has an operating body 6 which projects a little toward the open / close end side (front end side) of the car door 2 and can be retracted when pressed toward the opposite open / close end side (rear end side); And a switch 8 for detecting a rotation operation of the lever 7 and outputting a restart door signal.
When an obstacle existing between the pair of car doors 2 hits the operating body 6 during the door closing operation, the operating body 6 is retracted and the lever 7 is moved.
And the switch 8 outputs a reopening signal from the switch 8 to change the car door 2 from the closing operation to the opening operation.
【0011】そして、本実施形態においては、かご扉2
に赤外線を利用した安全装置を付設して、閉扉時にかご
扉2の進行方向に障害物が存するかどうかを光信号にて
検知できるようにすることにより、エレベータ出入口の
安全性を高めている。この安全装置は、一対のかご扉2
の開閉端側の折り返し端部2aの近傍にそれぞれ、該折
り返し端部2aと板厚が同等で上下方向に延在する座1
1を設けるとともに、各座11にそれぞれ光電装置(赤
外線センサ)の投光器9aと受光器9bを取り付けて、
一対のかご扉2の間に障害物が存するか否かを光路10
が遮断されたか否かによって検出するというものであ
る。すなわち、一対のかご扉2の間に障害物が存在して
いると、投光器9aから所定の光路10へ出射された光
(赤外線)が対応する受光器9bに到達しなくなるの
で、受光器9bから出力される信号に基づいて障害物の
有無が検知でき、障害物が検知されたときには速やかに
閉扉動作を停止させてかご扉2を開扉させられるように
なっている。なお、前記座11は、隣接する折り返し端
部2aを反開閉端側へ延長させた位置に配置されて前記
補強体5に固定されている。また、この座11は、補強
体5に対して起立する向きに折曲加工された起立部11
aを有している。In this embodiment, the car door 2
A safety device using infrared rays is attached to the car door 2 to detect whether or not an obstacle exists in the traveling direction of the car door 2 at the time of closing the door by an optical signal, thereby enhancing the safety of the elevator entrance. This safety device comprises a pair of car doors 2
Each of the seats 1 having the same thickness as the folded end 2a and extending in the up and down direction near the folded end 2a on the opening / closing end side of the seat 1.
1 and a light emitting device 9a and a light receiving device 9b of a photoelectric device (infrared sensor) are attached to each seat 11, respectively.
The optical path 10 determines whether or not an obstacle exists between the pair of car doors 2.
Is detected depending on whether or not is interrupted. That is, if an obstacle exists between the pair of car doors 2, light (infrared rays) emitted from the light projector 9a to the predetermined optical path 10 does not reach the corresponding light receiver 9b. The presence or absence of an obstacle can be detected based on the output signal, and when an obstacle is detected, the door closing operation is immediately stopped to open the car door 2. The seat 11 is fixed to the reinforcing member 5 at a position where the adjacent folded end 2a is extended to the side opposite to the opening / closing end. The seat 11 is provided with an upright portion 11 which is bent in a direction in which the seat 11 stands upright with respect to the reinforcing member 5.
a.
【0012】すなわち、この安全装置の投光器9aや受
光器9bをかご扉2に取り付ける際には、まず補強体5
の外表面で開閉端側の折り返し端部2aと反開閉端側で
隣接する位置に座11を当接させて、この座11を図示
せぬ皿リベット等を用いて該補強体5に固定する。次
に、この座11に予め設けられている図示せぬ取付孔を
利用して、投光器9aもしくは受光器9bをビス12を
用いて座11に固定することにより、かご扉2への取付
が完了する。また、この状態で、座11に支持されてい
る投光器9aや受光器9bの背後には、該座11の前記
起立部11aが位置している。That is, when attaching the projector 9a and the receiver 9b of the safety device to the car door 2, first, the reinforcing member 5
The seat 11 is brought into contact with a position adjacent to the folded end portion 2a on the open / close end side on the outer surface of the open / close end side, and the seat 11 is fixed to the reinforcing member 5 using a dish rivet (not shown) or the like. . Next, the projector 9a or the light receiver 9b is fixed to the seat 11 with screws 12 using a mounting hole (not shown) provided in the seat 11 in advance, so that the mounting to the car door 2 is completed. I do. In this state, the upright portion 11a of the seat 11 is located behind the light projector 9a and the light receiver 9b supported by the seat 11.
【0013】このように本実施形態に係るエレベータ出
入口の安全装置は、かご扉2の折り返し端部2aが幅狭
で光電装置の投光器9aや受光器9bを取り付けるスペ
ースがなくても、その投光器9aや受光器9bを、該折
り返し端部2aと板厚が同等の座11を介在させた状態
で補強体5に固定しているので、これまでは取付スペー
スがなくて付設できなかった既存のかご扉2に対しても
支障なく適用させることができる。つまり、この安全措
置は、既存のかご扉2の折り返し端部2aが幅狭でそこ
に取付スペースが確保できない場合にも、投光器9aや
受光器9bを座11および折り返し端部2aの双方で支
持する安定した姿勢で所望の部位(かご扉2の裏側の開
閉端近傍)に取り付けることができるので、かご扉2を
別のものに取り替えるという不経済なことをする必要が
ない。したがって、この安全装置は、既設エレベータに
対し簡単かつ安価に適用させることができる。As described above, the safety device for the entrance of the elevator according to the present embodiment has the light emitting device 9a even if the folded end 2a of the car door 2 is narrow and there is no space for mounting the light emitting device 9a and the light receiving device 9b of the photoelectric device. And the light receiver 9b are fixed to the reinforcing member 5 with the seat 11 having the same plate thickness as that of the folded end 2a interposed therebetween. It can be applied to the door 2 without any trouble. In other words, this safety measure is to support the projector 9a and the light receiver 9b with both the seat 11 and the folded end 2a even when the folded end 2a of the existing car door 2 is too narrow to secure a mounting space there. Since it can be attached to a desired portion (in the vicinity of the open / close end on the back side of the car door 2) in a stable posture, it is not necessary to replace the car door 2 with another one. Therefore, this safety device can be easily and inexpensively applied to an existing elevator.
【0014】また、周知のように投光器9aや受光器9
bの内部にはダイオードやプリント配線板等の精密電子
部品が組み込まれているが、前述したように座11に
は、補強体5に対して起立する向きに折曲加工された起
立部11aが設けてあるので、この座11の機械的強度
は高く、それゆえ衝撃等が加わっても投光器9aや受光
器9bに故障を誘発するような悪影響が及ぶ可能性は低
い。As is well known, the projector 9a and the light receiver 9
A precision electronic component such as a diode or a printed wiring board is incorporated in the inside of the b. As described above, the seat 11 is provided with the upright portion 11a that is bent in the direction in which it rises with respect to the reinforcing member 5. Since the seat 11 is provided, the mechanical strength of the seat 11 is high, and therefore, even if an impact or the like is applied, it is unlikely that the projector 9a and the light receiver 9b will be adversely affected such as to cause a failure.
【0015】なお、上述した実施形態では一対のかご扉
2を逆向きにスライド移動させる中央開きタイプのエレ
ベータを例示して説明したが、本発明が片開きタイプの
エレベータにも適用できることは言うまでもなく、その
場合、投光器9aと受光器9bのうちいずれか一方をか
ご扉2の所望の部位に取り付けて他方を乗りかご1の柱
の戸当り部に取り付ければよい。In the above-described embodiment, a center-open type elevator in which the pair of car doors 2 are slid in opposite directions has been described as an example. However, it is needless to say that the present invention can be applied to a single-open type elevator. In this case, one of the light emitter 9a and the light receiver 9b may be attached to a desired portion of the car door 2, and the other may be attached to the door stop of the pillar of the car 1.
【0016】[0016]
【発明の効果】本発明によるエレベータ出入口の安全装
置は以上説明したような形態で実施され、以下に記載さ
れるような効果を奏する。The safety device for an elevator entrance according to the present invention is embodied in the form described above, and has the following effects.
【0017】かご扉の折り返し端部と板厚が同等の座を
介在させた状態で、光電装置の構成機器(投光器や受光
器)を該かご扉の補強体に固定するというものなので、
該折り返し端部が幅狭であっても、これに隣接させて配
置した座にて支持する安定した姿勢で該構成機器を所望
の部位に取り付けることができる。したがって、取付ス
ペースがないために既存のかご扉の交換を余儀なくされ
ていた従来技術に比して、この安全装置は簡単かつ安価
にエレベータ出入口の安全性を向上させることができ
る。Since the components (light emitter and light receiver) of the photoelectric device are fixed to the reinforcing member of the car door with the seat having the same thickness as the folded end of the car door interposed therebetween,
Even if the folded end portion is narrow, the component device can be attached to a desired portion in a stable posture supported by a seat arranged adjacent to the folded end portion. Therefore, this safety device can easily and inexpensively improve the safety of an elevator entrance / exit as compared with the related art in which the existing car door has to be replaced because there is no mounting space.
【0018】また、前記座に、前記補強体に対して起立
する向きに折曲加工された起立部を設けておけば、該座
の機械的強度が高まって、衝撃等が加わっても前記構成
機器に悪影響が及びにくくなるので好ましい。Further, if the seat is provided with an upright portion bent in a direction to stand upright with respect to the reinforcing member, the mechanical strength of the seat is increased, and the seat is configured even if an impact or the like is applied. This is preferable because adverse effects on equipment are less likely to occur.
【図1】本発明の一実施形態に係るエレベータ出入口の
安全装置を付設したかご扉を乗場側から見た正面図であ
る。FIG. 1 is a front view of a car door provided with a safety device for an elevator entrance according to an embodiment of the present invention, as viewed from a landing side.
【図2】該安全装置とその周辺部分を図1のA−A線に
沿って見た横断面図である。FIG. 2 is a cross-sectional view of the safety device and its peripheral portion as viewed along line AA of FIG. 1;
1 乗りかご 2 かご扉 2a 折り返し端部 3 乗場 4 乗場扉 5 補強体 6 作動体 9a 投光器 9b 受光器 10 光路 11 座 11a 起立部 DESCRIPTION OF SYMBOLS 1 Riding car 2 Car door 2a Folded end 3 Landing 4 Landing door 5 Reinforcement 6 Operating body 9a Floodlight 9b Light receiver 10 Optical path 11 Seat 11a Standing part
Claims (3)
折り返されているとともに、その折り返し端部どうしが
補強体にて連結されているかご扉を、左右方向へスライ
ド移動させることにより前記乗りかごの開閉が行われる
エレベータの出入口に設置され、前記かご扉に光電装置
の構成機器を取り付けることにより該かご扉の開閉端側
の障害物を検知可能とした安全装置において、 前記かご扉の開閉端側の前記折り返し端部の近傍で該折
り返し端部を反開閉端側へ延長させた位置に、該折り返
し端部と板厚が同等で上下方向に延在する座を配置させ
て該座を前記補強体に取り付けるとともに、前記構成機
器を前記かご扉の裏側で前記座に取り付けたことを特徴
とするエレベータ出入口の安全装置。1. A car door in which the left and right sides are folded back to the rear as viewed from the inside of the car, and the car door to which the folded ends are connected by a reinforcing member is slid in the left and right direction. A safety device which is installed at an entrance of an elevator where a car is opened and closed and which can detect an obstacle at an open / close end of the car door by attaching a component of a photoelectric device to the car door, A seat having the same thickness as the folded end and extending in the up-down direction is disposed at a position where the folded end is extended to the side opposite to the opened / closed end near the folded end on the opening / closing end. A safety device for an elevator doorway, wherein the device is attached to the reinforcing member, and the component device is attached to the seat behind the car door.
しくは受光器であることを特徴とする請求項1記載のエ
レベータ出入口の安全装置。2. The safety device according to claim 1, wherein the component device of the photoelectric device is a light projector or a light receiver.
向きに折曲加工された起立部を設けたことを特徴とする
請求項1または2記載のエレベータ出入口の安全装置。3. The safety device for an elevator doorway according to claim 1, wherein the seat has an upright portion bent in a direction to stand upright with respect to the reinforcing member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13357198A JP3297377B2 (en) | 1998-05-15 | 1998-05-15 | Elevator doorway safety devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13357198A JP3297377B2 (en) | 1998-05-15 | 1998-05-15 | Elevator doorway safety devices |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11322238A JPH11322238A (en) | 1999-11-24 |
JP3297377B2 true JP3297377B2 (en) | 2002-07-02 |
Family
ID=15107930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13357198A Expired - Lifetime JP3297377B2 (en) | 1998-05-15 | 1998-05-15 | Elevator doorway safety devices |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3297377B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5495577B2 (en) * | 2009-02-05 | 2014-05-21 | 三菱電機株式会社 | Elevator door sensor device |
-
1998
- 1998-05-15 JP JP13357198A patent/JP3297377B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH11322238A (en) | 1999-11-24 |
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