JP2003321182A - Passenger conveyor - Google Patents
Passenger conveyorInfo
- Publication number
- JP2003321182A JP2003321182A JP2002129850A JP2002129850A JP2003321182A JP 2003321182 A JP2003321182 A JP 2003321182A JP 2002129850 A JP2002129850 A JP 2002129850A JP 2002129850 A JP2002129850 A JP 2002129850A JP 2003321182 A JP2003321182 A JP 2003321182A
- Authority
- JP
- Japan
- Prior art keywords
- treads
- wheel
- passenger conveyor
- traveling
- changed
- 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.)
- Pending
Links
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、隣接踏板間に段差
を生じさせるエスカレーターや隣接踏板間に段差を生じ
させない電動道路等の乗客コンベアに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an escalator that causes a step between adjacent treads and a passenger conveyor such as an electric road that does not cause a step between adjacent treads.
【０００２】[0002]
【従来の技術】一般に、乗客コンベアの一種である電動
道路の踏板の走行輪を案内するガイドレールは、例え
ば、特開平４-３５８６８７号公報に開示されているよ
うに、走行輪が転動する走行路と、この走行路に対し直
角に起立して走行路の側面と接触して走行輪の蛇行を規
制する規制壁とから構成されている。2. Description of the Related Art Generally, a guide rail for guiding a traveling wheel on a tread of an electric road, which is a kind of passenger conveyor, rolls the traveling wheel as disclosed in, for example, Japanese Patent Laid-Open No. 4-358687. It is composed of a traveling path and a regulation wall that stands upright at a right angle to the traveling path and contacts the side surface of the traveling path to regulate the meandering of the traveling wheels.
【０００３】[0003]
【発明が解決しようとする課題】上記従来技術において
は、走行路の側面がガイドレールの規制壁に接触する
と、摩擦抵抗が発生するので、多数の走行路が規制壁に
同時に接触した場合、踏板を循環駆動させる駆動機に異
常な負荷が作用したり、移動する踏板が振動する等の問
題があった。In the above prior art, when the side surface of the traveling path comes into contact with the regulation wall of the guide rail, frictional resistance is generated. Therefore, when a large number of traveling paths come into contact with the regulation wall at the same time, the tread plate is used. There was a problem that an abnormal load was applied to the driving machine that circulates and the moving tread vibrates.
【０００４】本発明の目的は、走行輪の側面とガイドレ
ールの規制壁との接触を低減し、踏板を円滑に移動でき
る乗客コンベアを提供することにある。An object of the present invention is to provide a passenger conveyor which can reduce the contact between the side surface of the traveling wheel and the regulation wall of the guide rail and can move the tread smoothly.
【０００５】[0005]
【課題を解決するための手段】上記目的は、請求項１に
示すように、複数の踏板と、これら踏板の幅方向両端か
ら左右に突出する輪軸と、この輪軸に軸支された左右の
走行輪と、これら複数の踏板を連結し両乗降床間を循環
移動させる踏板チェーンと、前記走行輪の蛇行を規制す
る規制壁と前記走行輪の走行路とを有し平面的に直線と
なるガイドレールとを備えた乗客コンベアにおいて、前
記ガイドレールの規制壁に対する前記走行輪の間隔を隣
接踏板間で変えたことにより達成される。As described in claim 1, the above object is to provide a plurality of treads, a wheel shaft projecting left and right from both ends in the width direction of the treads, and a left and right traveling shafts supported by the wheel shafts. A guide that is linear and has a wheel, a tread plate chain that connects the plurality of treads and circulates between the two floors, a regulation wall that regulates meandering of the traveling wheel, and a traveling path of the traveling wheel. In a passenger conveyor provided with a rail, it is achieved by changing the distance between the running wheels with respect to the regulation wall of the guide rail between adjacent treads.
【０００６】また、請求項２に示したように、軸方向両
端から左右に突出する走行輪を軸支した複数の踏板を、
無端状に連結して両乗降床間を循環移動させるように構
成した乗客コンベアにおいて、前記左右の走行輪の間隔
を隣接踏板間で変えたことにより達成される。Further, as set forth in claim 2, a plurality of tread plates pivotally supporting traveling wheels protruding left and right from both axial ends are provided.
This is achieved by changing the distance between the left and right running wheels between adjacent treads in a passenger conveyor configured to be connected endlessly and circulated between the two floors.
【０００７】更に、請求項５に示すように、複数の踏板
の幅方向両端から突出する輪軸と、この輪軸に軸支され
た左右の走行輪と、これら複数の踏板を無端状に連結し
て両乗降床間を循環移動するように構成した乗客コンベ
アにおいて、前記輪軸の長さを隣接踏板間で変えたこと
により達成される。Further, as set forth in claim 5, the wheel shafts projecting from the widthwise ends of the plurality of treads, the left and right running wheels pivotally supported by the wheel shafts, and the plurality of treads are connected endlessly. In the passenger conveyor configured to circulate between the two floors, this is achieved by changing the length of the wheel axle between adjacent treads.
【０００８】また、請求項７に示すように、軸方向両端
から左右に突出する走行輪を軸支した複数の踏板を、無
端状に連結して両乗降床間を循環移動させるように構成
した乗客コンベアにおいて、前記走行輪の走行軌跡を隣
接踏板間で変えたことにより達成される。Further, as described in claim 7, a plurality of treads, which pivotally support traveling wheels protruding left and right from both ends in the axial direction, are connected endlessly so as to circulate between the two floors. This is achieved by changing the traveling locus of the traveling wheels between the adjacent treads in the passenger conveyor.
【０００９】更にまた、請求項８に示すように、軸方向
両端から左右に突出する走行輪を軸支した複数の踏板
を、無端状に連結して両乗降床間を循環移動させるよう
に構成した乗客コンベアにおいて、前記踏板からの前記
走行輪の突出寸法を隣接踏板間で変えたことにより達成
される。Still further, as described in claim 8, a plurality of treads, which pivotally support running wheels protruding left and right from both ends in the axial direction, are connected endlessly so as to circulate between the two floors. In the passenger conveyor described above, this is achieved by changing the protrusion size of the traveling wheel from the tread between adjacent treads.
【００１０】また、請求項９に示すように、複数の踏板
と、これら踏板の幅方向両端から左右に突出する輪軸
と、この輪軸に軸支された左右の走行輪と、これら複数
の踏板を連結し両乗降床間を循環移動させる踏板チェー
ンと、前記走行輪の蛇行を規制する規制壁と前記走行輪
の走行路とを有し平面的に直線となるガイドレールとを
備えた乗客コンベアにおいて、前記各踏板の輪軸の長さ
を同じにし、かつ、前記輪軸を隣接踏板間で輪軸方向に
相対的にずらしたことにより達成される。Further, as described in claim 9, a plurality of treads, a wheel shaft protruding left and right from both ends in the width direction of the treads, left and right running wheels pivotally supported by the wheel shaft, and a plurality of these treads. A passenger conveyor including a tread chain that is connected and circulates between both floors, and a guide wall that has a regulation wall that regulates the meandering of the traveling wheels and a traveling path of the traveling wheels and that is a linear straight line. It is achieved by making the lengths of the wheel shafts of the treads the same and by relatively shifting the wheel shafts between the adjacent treads in the wheel shaft direction.
【００１１】上記のような構成としたため、ガイドレー
ルの規制壁に対する間隔が狭い走行路のみが前記規制壁
に接触することになる。したがって、全体的に見れば前
記規制壁に接触する走行輪の数を低減することができ、
その結果、多大な接触抵抗の発生は回避され、接触抵抗
による移動中の踏板の振動も低減できるので踏板を円滑
に走行させることができる。Due to the above-mentioned structure, only the traveling path having a narrow gap between the guide rail and the regulation wall comes into contact with the regulation wall. Therefore, as a whole, it is possible to reduce the number of traveling wheels that come into contact with the restriction wall,
As a result, generation of a large amount of contact resistance is avoided, and the vibration of the tread during movement due to the contact resistance can be reduced, so that the tread can be smoothly run.
【００１２】[0012]
【発明の実施の形態】以下本発明による乗客コンベアの
一実施の形態について、図１〜図６に示す電動道路につ
いて説明する。BEST MODE FOR CARRYING OUT THE INVENTION One embodiment of a passenger conveyor according to the present invention will be described below with reference to an electric road shown in FIGS.
【００１３】図１は本発明の一実施形態になる電動道路
の概略を示す側面図、図２は踏板とガイドレール部分の
構成を示す平面図、図３は図２のイーイ視図、図４は図
２のローロ視図、図５は他の実施形態を示す図２相当の
平面図、図６はさらに他の実施形態を説明する走行輪部
の側面図である。FIG. 1 is a side view showing an outline of an electric road according to an embodiment of the present invention, FIG. 2 is a plan view showing a structure of a tread and a guide rail portion, FIG. 3 is a view of FIG. 2 is a roro view of FIG. 2, FIG. 5 is a plan view of another embodiment, which corresponds to FIG. 2, and FIG. 6 is a side view of a traveling wheel unit illustrating still another embodiment.
【００１４】図１〜図４において、１は電動道路で、こ
の電動道路１は、離れた受梁間に跨って設置された主枠
２と、この主枠２内に設置された複数の踏板３と、これ
ら踏板３を無端状に連結する踏板チェーン４と、前記踏
板３の移動方向両側の主枠２に立設された欄干５により
構成されている。前記主枠２の左右上部には乗降床６，
７が設けられ、乗降床６の下部には駆動機８が設けられ
ている。９、１０は前記踏板チェーン４の噛合う主、副
のスプロケットで、主スプロケット９には、前記駆動機
８により駆動される駆動チェーン１１が連結されてい
る。前記踏板３は、図２、図３に示すように踏板３の前
部は輪軸１２ａによって支持され、後部は踏板３の下部
に設けられたレバー１３の溝１３ａが、隣接する踏板３
ｂの輪軸１２ｂに係合することにより支持されている。
前記輪軸１２ａは踏板３の幅方向両端から左右に突出
し、その両端に走行輪１４が設けられている。また、こ
の輪軸１２ａは前記踏板チェーン４に連結され、この踏
板チェーン４の移動に伴って共に移動するようになって
いる。１５はガイドレールで、このガイドレール１５
は、走行輪１４が転動走行する走行路１５ａと、走行輪
１４の側面と接触し走行輪１４の蛇行を規制する規制壁
１５ｂとより構成されている。そして、この実施形態で
は、輪軸１２を構成する輪軸１２ａと、隣接する輪軸１
２ｂとの長さＷ１、Ｗ２を異にしている。したがって、
図２に示すように、走行輪１４ａの側面と規制壁１５ｂ
との間隔ｇ１と、走行輪１４ｂの側面と規制壁１５ｂと
の間隔ｇ２とが隣接踏板間で異なることになる。この輪
軸１２の長さは、連続する隣接踏板間で変えてもよく、
複数個毎の隣接踏板間で変えても良い。In FIGS. 1 to 4, reference numeral 1 denotes an electric road, which is a main frame 2 that is installed across the receiving beams and a plurality of treads 3 that are installed in the main frame 2. And a balustrade 5 which connects the treads 3 in an endless manner, and a balustrade 5 which is erected on the main frames 2 on both sides in the moving direction of the tread 3. At the upper left and right sides of the main frame 2, the boarding and alighting floors 6,
7 is provided, and a driver 8 is provided below the boarding / alighting floor 6. Reference numerals 9 and 10 denote main and auxiliary sprockets that mesh with the tread chain 4, and a drive chain 11 driven by the drive machine 8 is connected to the main sprocket 9. As shown in FIGS. 2 and 3, the tread plate 3 has a front portion of the tread plate 3 supported by a wheel shaft 12a, and a rear portion of which is provided with a groove 13a of a lever 13 provided at a lower portion of the tread plate 3 adjacent to the tread plate 3a.
It is supported by engaging with the wheel shaft 12b of b.
The wheel shaft 12a projects left and right from both ends in the width direction of the tread plate 3, and traveling wheels 14 are provided at both ends thereof. The wheel axle 12a is connected to the tread chain 4 and moves together with the tread chain 4. 15 is a guide rail, and this guide rail 15
Is composed of a traveling path 15a on which the traveling wheel 14 rolls, and a regulation wall 15b which contacts the side surface of the traveling wheel 14 and regulates the meandering of the traveling wheel 14. Further, in this embodiment, the wheel set 12a forming the wheel set 12 and the wheel set 1 adjacent to the wheel set 12a
2b and lengths W1 and W2 are different. Therefore,
As shown in FIG. 2, the side surface of the traveling wheel 14a and the regulation wall 15b.
And a gap g2 between the side surface of the traveling wheel 14b and the regulation wall 15b are different between the adjacent treads. The length of the wheel axle 12 may be changed between adjacent treads,
It may be changed between a plurality of adjacent treads.
【００１５】今、駆動機８により、駆動チェーン１１が
駆動されると主スプロケット９により踏板チェーン４が
駆動され、輪軸１２に設けられた走行輪１４がガイドレ
ール１５の走行路１５ａ上を走行し、これにより踏板３
が移動する。この踏板３移動時、走行輪１４は蛇行する
が走行輪１４ａと、走行輪１４ｂとの間隔ｇ１，ｇ２が
異なるため、間隔の狭い走行輪１４ａのみが規制壁１５
ｂに接触する。このため、走行輪１４と規制壁１５ｂと
の接触数が低減し、踏板３を円滑に移動できる。Now, when the drive chain 11 is driven by the drive machine 8, the tread chain 4 is driven by the main sprocket 9, and the running wheels 14 provided on the wheel shaft 12 run on the running path 15a of the guide rail 15. , By this, tread 3
Moves. When the tread plate 3 moves, the running wheel 14 meanders, but the running wheels 14a and the running wheels 14b have different intervals g1 and g2.
contact b. Therefore, the number of contacts between the traveling wheels 14 and the restriction wall 15b is reduced, and the tread 3 can be moved smoothly.
【００１６】図５は、輪軸１２の長さは同じ長さＷ１と
し、輪軸１２ｃと隣接する輪軸１２ｄとを輪軸方向に相
対的にずらして設けたものである。この場合、輪軸１２
ｃに設けられた走行輪１４ｃの一方は規制壁１５ｂとの
間隔が、狭い間隔ｇ１に他方が広い間隔ｇ２となる。ま
た、輪軸１２ｄに設けられた走行輪１４ｄの一方は規制
壁１５ｂとの間隔が広い間隔ｇ２、他方が狭い間隔ｇ１
となる。このため、走行輪１４が蛇行した時間隔の狭い
ｇ１の走行輪１４のみが規制壁１５ｂと接触することに
なり、接触数が低減し、踏板３の移動を円滑に行うこと
ができる。In FIG. 5, the wheel shaft 12 has the same length W1, and the wheel shaft 12c and the adjacent wheel shaft 12d are provided so as to be relatively displaced in the wheel shaft direction. In this case, the wheel axle 12
One of the running wheels 14c provided at c is spaced from the restriction wall 15b at a narrow spacing g1 and the other at a wide spacing g2. Further, one of the running wheels 14d provided on the wheel axle 12d has a wide interval g2 with the restriction wall 15b, and the other has a narrow interval g1.
Becomes Therefore, only the traveling wheel 14 of g1 having a narrow time interval in which the traveling wheel 14 meanders comes into contact with the restriction wall 15b, the number of contacts is reduced, and the tread 3 can be smoothly moved.
【００１７】図６は、輪軸１２の端部に規制壁１５ｂと
の間隔を狭い間隔ｇ１とするための間隔調整体１６を設
けたもので、この間隔調整体１６は輪軸１２の一つ飛び
或いは複数個飛び毎に設けられる。したがって、間隔調
整体１が走行輪１４の蛇行時に規制壁１５ｂと接触する
ことになり、接触数が低減し、踏板３の移動を円滑に行
うことができる。In FIG. 6, a gap adjuster 16 is provided at the end of the wheel shaft 12 to make the gap with the restriction wall 15b a narrow gap g1. A plurality is provided for each flight. Therefore, the spacing adjuster 1 comes into contact with the regulation wall 15b when the running wheels 14 meander, the number of contacts is reduced, and the tread 3 can be moved smoothly.
【００１８】なお、この実施形態では電動道路を例にし
て説明したがエスカレーターでも同様の効果を得ること
ができる。In this embodiment, the electric road has been described as an example, but the same effect can be obtained with an escalator.
【００１９】[0019]
【発明の効果】本発明によれば、走行輪の側面とガイド
レールとの接触を低減し、踏板を円滑に移動することが
できる。According to the present invention, the contact between the side surface of the traveling wheel and the guide rail can be reduced and the tread can be smoothly moved.
【図１】本発明の一実施形態になる電動道路の概略を示
す側面図である。FIG. 1 is a side view schematically showing an electric road according to an embodiment of the present invention.
【図２】踏板とガイドレール部分の構成を示す平面図で
ある。FIG. 2 is a plan view showing a configuration of a tread plate and a guide rail portion.
【図３】図２のイーイ視図である。FIG. 3 is an easy view of FIG.
【図４】図２のローロ視図である。FIG. 4 is a perspective view of the roller of FIG.
【図５】他の実施形態を示す図２相当の平面図である。FIG. 5 is a plan view corresponding to FIG. 2 showing another embodiment.
【図６】さらに他の実施形態を説明する走行輪部の側面
図である。FIG. 6 is a side view of a traveling wheel unit illustrating still another embodiment.
１ 電動道路（乗客コンベア） ２ 主枠 ３ 踏板 ４ 踏板チェーン ５ 欄干 ６、７ 乗降床 ８ 駆動機 １２ 輪軸 １４ 走行輪 １５ ガイドレール １５ａ 走行路 １５ｂ 規制壁 １６ 間隔調整体 1 Electric road (passenger conveyor) 2 main frames 3 treads 4 tread chain 5 balustrade 6, 7 Getting on and off 8 drive 12 wheel axles 14 running wheels 15 Guide rail 15a Runway 15b Control wall 16 Interval adjuster
Claims (9)
から左右に突出する輪軸と、この輪軸に軸支された左右
の走行輪と、これら複数の踏板を連結し両乗降床間を循
環移動させる踏板チェーンと、前記走行輪の蛇行を規制
する規制壁と前記走行輪の走行路とを有し平面的に直線
となるガイドレールとを備えた乗客コンベアにおいて、 前記ガイドレールの規制壁に対する前記走行輪の間隔を
隣接踏板間で変えたことを特徴とする乗客コンベア。1. A plurality of treads, a wheel shaft protruding left and right from both ends in the width direction of the treads, left and right running wheels pivotally supported by the wheel shafts, and a plurality of treads connected to circulate between the two floors. In a passenger conveyor having a tread chain to be moved, a regulation wall that regulates the meandering of the traveling wheel, and a guide rail that has a traveling path of the traveling wheel and is a straight line in a plane, with respect to the regulation wall of the guide rail. The passenger conveyor, wherein the distance between the running wheels is changed between adjacent treads.
軸支した複数の踏板を、無端状に連結して両乗降床間を
循環移動させるように構成した乗客コンベアにおいて、 前記左右の走行輪の間隔を隣接踏板間で変えたことを特
徴とする乗客コンベア。2. A passenger conveyor configured to endlessly connect a plurality of tread plates that axially support traveling wheels protruding from both ends in the axial direction to circulate between the two loading and unloading floors. A passenger conveyor characterized in that the distance between the wheels is changed between adjacent treads.
間で変えたことを特徴とする請求項２記載の乗客コンベ
ア。3. The passenger conveyor according to claim 2, wherein the distance between the traveling wheels is changed between adjacent treads.
板間で変えたことを特徴とする請求項２記載の乗客コン
ベア。4. The passenger conveyor according to claim 2, wherein the distance between the running wheels is changed between a plurality of adjacent treads.
軸と、この輪軸に軸支された左右の走行輪と、これら複
数の踏板を無端状に連結して両乗降床間を循環移動する
ように構成した乗客コンベアにおいて、 前記輪軸の長さを隣接踏板間で変えたことを特徴とする
乗客コンベア。5. A wheel shaft projecting from both ends in the width direction of a plurality of treads, left and right running wheels pivotally supported by the wheel shafts, and an endless connection of the plurality of treads for circular movement between the two riding floors. The passenger conveyor configured as described above, wherein the length of the wheel axle is changed between adjacent treads.
た間隔調整体により変えたことを特徴とする乗客コンベ
ア。6. The passenger conveyor, wherein the length of the wheel axle is changed by a gap adjusting body provided at an end portion of the wheel axle.
軸支した複数の踏板を、無端状に連結して両乗降床間を
循環移動させるように構成した乗客コンベアにおいて、 前記走行輪の走行軌跡を隣接踏板間で変えたことを特徴
とする乗客コンベア。7. A passenger conveyor configured to endlessly connect a plurality of treads that axially support traveling wheels protruding from both ends in the axial direction to circulate between the two floors for getting on and off. A passenger conveyor characterized in that the traveling locus is changed between adjacent treads.
軸支した複数の踏板を、無端状に連結して両乗降床間を
循環移動させるように構成した乗客コンベアにおいて、 前記踏板からの前記走行輪の突出寸法を隣接踏板間で変
えたことを特徴とする乗客コンベア。8. A passenger conveyor configured to endlessly connect a plurality of tread plates that axially support traveling wheels protruding from both ends in the axial direction to circulate between the two floors for getting on and off. A passenger conveyor characterized in that the protrusion size of the traveling wheel is changed between adjacent treads.
から左右に突出する輪軸と、この輪軸に軸支された左右
の走行輪と、これら複数の踏板を連結し両乗降床間を循
環移動させる踏板チェーンと、前記走行輪の蛇行を規制
する規制壁と前記走行輪の走行路とを有し平面的に直線
となるガイドレールとを備えた乗客コンベアにおいて、 前記各踏板の輪軸の長さを同じにし、かつ、前記輪軸を
隣接踏板間で輪軸方向に相対的にずらしたことを特徴と
する乗客コンベア。9. A plurality of treads, a wheel shaft protruding left and right from both ends in the width direction of the treads, left and right running wheels pivotally supported by the wheel shafts, and a plurality of these treads being connected to circulate between the two riding floors. In a passenger conveyor having a tread chain to be moved, a regulation wall that regulates the meandering of the traveling wheel, and a guide rail that has a traveling path of the traveling wheel and is a straight line in a plane, the length of the wheel shaft of each of the treads is long. A passenger conveyor characterized in that the wheel shafts are made to be the same and the wheel shafts are relatively displaced in the wheel shaft direction between adjacent treads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002129850A JP2003321182A (en) | 2002-05-01 | 2002-05-01 | Passenger conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002129850A JP2003321182A (en) | 2002-05-01 | 2002-05-01 | Passenger conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003321182A true JP2003321182A (en) | 2003-11-11 |
Family
ID=29543136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002129850A Pending JP2003321182A (en) | 2002-05-01 | 2002-05-01 | Passenger conveyor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003321182A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013010603A (en) * | 2011-06-29 | 2013-01-17 | Mitsubishi Electric Corp | Man conveyor, step guide apparatus for the same, and method for operating man conveyor |
| JP2014114140A (en) * | 2012-12-12 | 2014-06-26 | Hitachi Ltd | Passenger conveyor |
| WO2020035951A1 (en) * | 2018-08-17 | 2020-02-20 | 三菱電機株式会社 | Passenger conveyor and step for passanger conveyor |
-
2002
- 2002-05-01 JP JP2002129850A patent/JP2003321182A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013010603A (en) * | 2011-06-29 | 2013-01-17 | Mitsubishi Electric Corp | Man conveyor, step guide apparatus for the same, and method for operating man conveyor |
| JP2014114140A (en) * | 2012-12-12 | 2014-06-26 | Hitachi Ltd | Passenger conveyor |
| WO2020035951A1 (en) * | 2018-08-17 | 2020-02-20 | 三菱電機株式会社 | Passenger conveyor and step for passanger conveyor |
| JPWO2020035951A1 (en) * | 2018-08-17 | 2021-02-15 | 三菱電機株式会社 | Passenger conveyor and passenger conveyor steps |
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