JPH0578076A - Replacement method for passenger conveyor - Google Patents
Replacement method for passenger conveyorInfo
- Publication number
- JPH0578076A JPH0578076A JP24348691A JP24348691A JPH0578076A JP H0578076 A JPH0578076 A JP H0578076A JP 24348691 A JP24348691 A JP 24348691A JP 24348691 A JP24348691 A JP 24348691A JP H0578076 A JPH0578076 A JP H0578076A
- Authority
- JP
- Japan
- Prior art keywords
- passenger conveyor
- frame body
- machine room
- existing
- frame
- 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]
【産業上の利用分野】本発明は乗客コンベアの更新方法
に係り、特に既設乗客コンベア枠体に新設部品を組付け
る作業効率を向上させた老朽乗客コンベアの更新方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for updating a passenger conveyor, and more particularly to a method for updating an aged passenger conveyor which improves the work efficiency of assembling new parts to an existing passenger conveyor frame.
【0002】[0002]
【従来の技術】従来の技術は、特開昭58−15277
9号公報及び特開昭58−152782号公報に記載の
ように、既設乗客コンベア枠体と、この既設乗客コンベ
ア枠体内に収納でき、既設乗客コンベア枠体より一廻り
小さいコンベア全体を一体的構成する新設乗客コンベア
枠体とからなり、この新設枠体を内部横桁等を切断加工
し、中空の箱状体にした既設乗客コンベア枠体に収納結
合し、原動機、ギヤ、ステップ、ステップ案内レール及
び欄干等の新設機器を、既設乗客コンベア枠体内に収納
した新設乗客コンベア枠体に装着し、既設乗客コンベア
の改修を行うものである。2. Description of the Related Art A conventional technique is disclosed in Japanese Unexamined Patent Publication No. 58-15277.
As described in JP-A-9 and JP-A-58-152782, an existing passenger conveyor frame and an entire conveyor that can be housed in the existing passenger conveyor frame and is one size smaller than the existing passenger conveyor frame are integrally configured. The new passenger conveyor frame is made by cutting the internal transverse girders etc. into the hollow box-shaped existing passenger conveyor frame, and connecting it to the prime mover, gears, steps and step guide rails. And, new equipment such as a balustrade is installed in the new passenger conveyor frame housed in the existing passenger conveyor frame, and the existing passenger conveyor is repaired.
【0003】[0003]
【発明が解決しようとする課題】上記従来技術は、溶接
等の火を伴う作業や改修のために建物の一部を壊す等の
作業の回避が求められる状況にあって、既設乗客コンベ
ア枠体内に新設乗客コンベア枠体を収納する作業性とい
う点で配慮されていなかった。即ち、上記特開昭58−
152779号公報及び特開昭58−152782号公
報に記載の「マンコンベアの据付方法」においても、新
設の乗客コンベア枠体一式を既設乗客コンベア枠体内に
収納するため、既設乗客コンベア全域にわたり横桁等、
収納時に干渉する部材を全て切断加工しなくてはなら
ず、既設建物内で溶接作業を行うため、火による既設建
物の損傷、ひいては火災発生の原因となる恐れがあっ
た。また、搬入物が大きくなるために大きな搬入スペー
スが必要となり、建物の一部を壊さなければならない等
の不具合があった。SUMMARY OF THE INVENTION The above-mentioned prior art is in the existing passenger conveyor frame body in a situation where it is required to avoid work involving fire such as welding and work such as breaking a part of a building for repair. No consideration was given to the workability of storing the new passenger conveyor frame. That is, the above-mentioned JP-A-58-
In the "man conveyor installation method" described in JP-A-152779 and JP-A-58-152782 as well, since a new set of passenger conveyor frames is stored in the existing passenger conveyor frame, the transverse girders are spread over the entire existing passenger conveyor. etc,
Since all the members that interfere during storage must be cut and processed, and welding work is performed in the existing building, there is a risk of damage to the existing building due to fire and eventually fire. In addition, a large carry-in space is required due to a large carry-in load, and there is a problem that a part of the building must be broken.
【0004】本発明は、既設乗客コンベアの更新におい
て、現地での溶接作業の省略を可能とし、既設乗客コン
ベア枠体の加工及び搬入スペースを小さくし、より工事
性のよい乗客コンベアの更新方法を提供することにあ
る。The present invention provides a method of updating an existing passenger conveyor, which makes it possible to omit the welding work on site, reduces the processing and loading space of the existing passenger conveyor frame, and improves the workability of the existing passenger conveyor. To provide.
【0005】[0005]
【課題を解決するための手段】上記目的を達成するため
に本発明は、経年乗客コンベアを構成する原動機、ギ
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、前記経年乗客コンベアの上部又は
下部機械室部分の既設枠体より小さい第2の枠体を予め
製作し、この第2の枠体を前記既設枠体内に組込むこと
を特徴とするものである。また、前記第2の枠体を予め
任意に分割して搬入することができる。そして、前記第
2の枠体に新設の原動機及びギヤ、上下乗降口の床等の
機器を予め組付けてもよいし、又、前記既設枠体内に第
2の枠体として一体化形成後または一体化形成するのと
ともに、この第2の枠体にこれらの機器を組付けてもよ
い。さらに前記上部又は下部機械室部分以外の部分は、
前記経年乗客コンベアの既設枠体に新設の機器を組付け
ることができる。In order to achieve the above object, the present invention provides the latest equipment such as a prime mover, a gear, a step, a step guide rail, a floor for entrance and exit, a balustrade, etc., which constitutes an aged passenger conveyor. In the method of updating the passenger conveyor to replace the above-mentioned passenger conveyor, a second frame body smaller than the existing frame body in the upper or lower machine room part of the aged passenger conveyor is manufactured in advance, and the second frame body is incorporated into the existing frame body. It is characterized by that. Further, the second frame body can be arbitrarily divided in advance and carried in. Then, a new prime mover and gears, equipment such as a floor of an upper and lower entrance, and the like may be assembled in advance to the second frame body, or after being integrally formed as a second frame body in the existing frame body, or While being integrally formed, these devices may be assembled to the second frame. Furthermore, the parts other than the upper or lower machine room parts are
New equipment can be assembled to the existing frame of the aged passenger conveyor.
【0006】[0006]
【作用】上記構成によれば、乗客コンベアの枠体で最も
剛性の求められる重量の重い機械室部分が、現地におけ
る加工、切断等の作業が簡略化され、既設枠体への第2
の枠体の組込を、主としてボルトを用いて行うことがで
き、溶接作業を省略することが可能となる。上下機械室
以外の部分、つまり、横桁が数多く設けられている傾斜
した中間部分は、既設乗客コンベアの枠体を利用し、既
設の枠体に新しい案内レール、欄干等を組付けることに
より容易に更新することができる。According to the above construction, the heavy machine room portion of the frame of the passenger conveyor, which is required to be the most rigid, simplifies the work such as processing and cutting at the site, so that it can be installed on the existing frame.
The frame body can be assembled mainly by using bolts, and welding work can be omitted. The parts other than the upper and lower machine rooms, that is, the sloping middle part where a large number of cross girders are installed, use the frame of the existing passenger conveyor and can be easily installed by installing new guide rails, balustrades, etc. on the existing frame. Can be updated.
【0007】[0007]
【実施例】以下、本発明の実施例を、図面を参照して説
明する。図1は本発明の一実施例を示す乗客コンベア枠
体の全体図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall view of a passenger conveyor frame showing an embodiment of the present invention.
【0008】図1に示すように、一般的に既設の乗客コ
ンベア枠体1は、上部機械室1A、下部機械室1B、中
間部(傾斜部)1Cより構成されており、特に中間部1
Cには上部・下部機械室1A、1Bに取付けられるター
ミナルギヤ(図示せず)の強度部材として多数の横桁4
が設けられている。As shown in FIG. 1, an existing passenger conveyor frame 1 is generally composed of an upper machine room 1A, a lower machine room 1B, and an intermediate portion (inclined portion) 1C, particularly the intermediate portion 1
C has a large number of transverse girders 4 as strength members for terminal gears (not shown) attached to the upper and lower machine rooms 1A and 1B.
Is provided.
【0009】いま、上部及び下部機械室1A、1Bの部
分には、新設の駆動装置、ターミナルギヤ等の重量物を
取付け支持するため、高い剛性の支持部材が必要である
が、中間部1Cのように横桁4がないため、既設乗客コ
ンベアの上部及び下部機械室1A、1Bよりも小さい上
部及び下部機械室部分のそれぞれを構成する第2枠体2
及び3を組込み、既設乗客コンベア枠体1とボルト等に
より取付け固定する。また、中間部1Cは、図示しない
新設の欄干、ステップ案内レール等の装置を、既設乗客
コンベア枠体1に直接又は、支持体(図示せず)を介し
て固定する。これにより、既設乗客コンベア枠体1の切
断加工を少なくして、信頼性が高く、より工事性のよい
乗客コンベアの更新を行うことができる。At the upper and lower machine chambers 1A and 1B, a high-rigidity support member is required to mount and support heavy objects such as a new drive unit and a terminal gear. Since there is no cross beam 4 as described above, the second frame body 2 constituting the upper and lower machine room portions smaller than the upper and lower machine rooms 1A and 1B of the existing passenger conveyor, respectively.
And 3 are assembled, and the existing passenger conveyor frame 1 is attached and fixed with bolts or the like. The intermediate portion 1C fixes devices such as a new balustrade and step guide rails (not shown) directly to the existing passenger conveyor frame 1 or via a support (not shown). Thereby, the cutting process of the existing passenger conveyor frame 1 can be reduced, and the passenger conveyor having high reliability and good workability can be updated.
【0010】次に他の実施例を第2図及び第3図により
説明する。図2は、既設乗客コンベア枠体1の上部機械
室1Aの部分の分解斜視図であり、図3は、下部機械室
1Bの部分の分解斜視図である。Next, another embodiment will be described with reference to FIGS. 2 and 3. 2 is an exploded perspective view of the upper machine room 1A of the existing passenger conveyor frame 1, and FIG. 3 is an exploded perspective view of the lower machine room 1B.
【0011】新設の図示しない駆動機、ターミナルギヤ
等の重量物を支持する第2枠体2、3を構成する部材
を、左右側面部材5、9、左右側面部材5、9を連結す
る横桁7、8、10、11、12、駆動装置取付台6に
分け、既設乗客コンベア枠体1の中で既設乗客コンベア
枠体1に固定しながら第2枠体2、3を形成することに
より、現地搬入部品を少なくすることができ、より工事
性のよい乗客コンベアの改修を行うことができる。The members constituting the second frame bodies 2 and 3 for supporting heavy objects such as a new drive unit (not shown) and terminal gears are connected to the left and right side members 5 and 9 and the lateral girders for connecting the left and right side members 5 and 9. 7, 8, 10, 11, 12 and the drive device mounting base 6 are divided, and the second frame bodies 2 and 3 are formed in the existing passenger conveyor frame body 1 while being fixed to the existing passenger conveyor frame body 1. The number of parts brought into the field can be reduced, and the passenger conveyor with better workability can be refurbished.
【0012】以上のように本実施例によれば、乗客コン
ベアの枠体で最も剛性の求められる重量の重い駆動機、
ギヤ等の装置や床板を支える機械室部分についてのみ
の、新しい駆動機、ギヤ等の装置を支持する第2の枠体
を設け、既設乗客コンベア枠体の機械室に収納し、乗客
コンベア両端部の機械室以外の部分、つまり、横桁が数
多く設けられている中央部分は、既設乗客コンベアの枠
体を利用し、既設の枠体に新しい案内レール、欄干等を
組付けるようにした。As described above, according to the present embodiment, a heavy-duty driving machine which requires the most rigidity in the frame of the passenger conveyor,
A second frame for supporting the new drive unit, gears, and other devices is installed only in the machine room that supports devices such as gears and floorboards, and is stored in the machine room of the existing passenger conveyor frame, and both ends of the passenger conveyor are accommodated. The parts other than the machine room, that is, the central part where a large number of cross girders are provided, uses the frame of the existing passenger conveyor, and new guide rails and balustrades are attached to the existing frame.
【0013】そのため、既設乗客コンベアの枠体で横桁
の数の少ない機械室部分に、既設乗客コンベア枠体より
小さく、新設の乗客コンベアの機械室内装置を取りつけ
るのに最適な機械室部分のみの新しい第2の枠体、又
は、機械室内装置が組付けられた機械室部分の新しい第
2の枠体を組込み、既設乗客コンベア枠体とボルト等に
より固定し、既設乗客コンベア枠体で上部、下部機械室
に取付けられているターミナルギヤのような枠体の左右
をつなぐ横桁が数多く設けられ、新しい装置を組付ける
新しい枠体を組込むために、既設乗客コンベアの横桁を
切断加工しなければならない部分、つまり既設乗客コン
ベア枠体の中間部については、既設の横桁を利用し、既
設乗客コンベア枠体に新しい装置を組付けることによ
り、信頼性が高く、工事性のよい乗客コンベアの改修を
行うことができる。Therefore, only the machine room portion which is smaller than the existing passenger conveyor frame body and which is optimum for mounting the machine room device of the new passenger conveyor in the machine room portion of the existing passenger conveyor frame having a small number of transverse beams. Incorporate a new second frame or a new second frame of the machine room part where the machine room device is assembled, fix it with the existing passenger conveyor frame and bolts, etc., and use the existing passenger conveyor frame for the upper part, There are many cross girders that connect the left and right sides of the frame, such as the terminal gear installed in the lower machine room, and the cross girders of the existing passenger conveyor must be cut and processed in order to install a new frame for assembling a new device. For the part that must be done, that is, the middle part of the existing passenger conveyor frame, the existing cross girder is used, and by installing a new device on the existing passenger conveyor frame, high reliability and It is possible to carry out the renovation of sexual good passenger conveyor.
【0014】これらの実施例では、第2の枠体を予め製
作してもよいし、いくつかに分割して現地で既設枠体に
組込んでもよい。そして、新設の原動機及びギヤ、上下
乗降口の床等の機械室の構成機器を枠体に予め組付ける
こともできるし、また、現地で第2枠体の組込後或いは
組込と同時に、これらの構成機器を組付けることもでき
る。In these embodiments, the second frame body may be manufactured in advance, or it may be divided into several parts and assembled into the existing frame body on site. And, it is possible to assemble the newly installed prime mover and gears, the components of the machine room such as the floor of the upper and lower entrances to the frame body in advance, or at the site after or simultaneously with the second frame body. These components can also be assembled.
【0015】[0015]
【発明の効果】本発明によれば、既設乗客コンベアの更
新において、既設乗客コンベア枠体の切断加工が少な
く、現地での溶接作業を省略することができる。また、
既設乗客コンベア枠体の加工及び搬入スペースを小さく
することができる。そのため、強度上、防災上、作業上
等に信頼性の高い、より工事性のよい乗客コンベアの改
修を行うことができる。According to the present invention, when the existing passenger conveyor is renewed, the cutting work of the existing passenger conveyor frame is small, and the welding work on site can be omitted. Also,
It is possible to reduce the processing and loading space of the existing passenger conveyor frame. Therefore, it is possible to repair the passenger conveyor which is highly reliable in terms of strength, disaster prevention, work, etc. and which has better workability.
【図面の簡単な説明】[Brief description of drawings]
【図1】図1は、本発明の一実施例を説明するための乗
客コンベア枠体全体図である。FIG. 1 is an overall view of a passenger conveyor frame for explaining an embodiment of the present invention.
【図2】図2は、本発明の他の実施例を説明するための
上部機械室部の詳細を示す分解斜視図である。FIG. 2 is an exploded perspective view showing details of an upper machine chamber portion for explaining another embodiment of the present invention.
【図3】図3は、本発明の他の実施例を説明するための
下部機械室部の詳細を示す分解斜視図である。FIG. 3 is an exploded perspective view showing details of a lower machine chamber portion for explaining another embodiment of the present invention.
1 既設乗客コンベア枠体 1A 上部機械室 1B 下部機械室 1C 中間部(傾斜部) 2 上部機械室部第2枠体 3 下部機械室部第2枠体 4 横桁 5 側面部材 6 駆動装置取付台 7、8 横桁 9 側面部材 10、11、12 横桁 1 Existing Passenger Conveyor Frame 1A Upper Machine Room 1B Lower Machine Room 1C Middle Part (Slope) 2 Upper Machine Room 2nd Frame 3 Lower Machine Room 2nd Frame 4 Cross Girder 5 Side Member 6 Drive Unit Mounting Base 7, 8 Cross beam 9 Side member 10, 11, 12 Cross beam
───────────────────────────────────────────────────── フロントページの続き (72)発明者 綿引 誠二 茨城県勝田市市毛1070番地 株式会社日立 製作所水戸工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seiji Watabiki 1070 Ige, Katsuta City, Ibaraki Prefecture Hitachi Ltd. Mito Plant
Claims (6)
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、 前記経年乗客コンベアの上部又は下部機械室部分の既設
枠体より小さい第2の枠体を予め製作し、この第2の枠
体を前記既設枠体内に組込むことを特徴とする乗客コン
ベアの更新方法。1. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A method for updating a passenger conveyor, characterized in that a second frame body smaller than an existing frame body in the upper or lower machine room is manufactured in advance, and the second frame body is incorporated into the existing frame body.
入する乗客コンベアの更新方法。2. A method of updating a passenger conveyer, wherein the second frame body is arbitrarily divided in advance and carried in.
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、 前記経年乗客コンベアの上部又は下部機械室部分の既設
枠体より小さく、かつ新設の原動機及びギヤ、上下乗降
口の床等を組付けた第2の枠体を予め製作し、この第2
の枠体を前記既設枠体内に組込み、前記上部又は下部機
械室部分以外の部分は、前記経年乗客コンベアの既設枠
体に新設の機器を組付けることを特徴とする乗客コンベ
アの更新方法。3. A method for updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body, which is smaller than the existing frame body in the upper or lower machine room and has a new prime mover and gears, floors for the upper and lower entrances, etc., is manufactured in advance.
The method of updating a passenger conveyor, wherein the frame body is incorporated into the existing frame body, and parts other than the upper or lower machine room portions are assembled with new equipment on the existing frame body of the aged passenger conveyor.
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、 前記経年乗客コンベアの上部又は下部機械室部分の既設
枠体より小さく、かつ新設の原動機及びギヤ、上下乗降
口の床等を組付けた第2の枠体を予め任意に分割して製
作し、この分割した枠体を前記既設枠体内に第2の枠体
として一体化形成し、前記上部又は下部機械室部分以外
の部分は、前記経年乗客コンベアの既設枠体に新設の機
器を組付けることを特徴とする乗客コンベアの更新方
法。4. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor at an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame that is smaller than the existing frame in the upper or lower machine room and has a newly installed prime mover and gears, floors for the upper and lower entrances, etc. The passenger is characterized by integrally forming a second frame into the existing frame, and assembling a new device to the existing frame of the aged passenger conveyor except for the upper or lower machine room part. How to update the conveyor.
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、 前記経年乗客コンベアの上部又は下部機械室部分の既設
枠体より小さい第2の枠体を予め製作し、この第2の枠
体を前記既設枠体内に組込んだのちに、または組込むの
とともに、この第2の枠体に新設の原動機及びギヤ、上
下乗降口の床等の前記機械室の構成機器を組付け、前記
上部又は下部機械室部分以外の部分は、前記経年乗客コ
ンベアの既設枠体に新設の機器を組付けることを特徴と
する乗客コンベアの更新方法。5. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor at an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body smaller than the existing frame body in the upper or lower machine room is manufactured in advance, and after the second frame body is incorporated into the existing frame body or after being incorporated, the second frame body is also incorporated. Assemble the newly installed prime mover and gears, the equipment of the machine room such as the floor of the upper and lower entrances, and install the new equipment on the existing frame of the aged passenger conveyor except for the upper and lower machine room parts. A method for updating a passenger conveyor, characterized by being assembled.
ヤ、ステップ、ステップ案内レール、上下乗降口の床お
よび欄干等の機器を最新のものに置換する乗客コンベア
の更新方法において、 前記経年乗客コンベアの上部又は下部機械室部分の既設
枠体より小さい第2の枠体を予め任意に分割して製作
し、この分割した枠体を前記既設枠体内に第2の枠体と
して一体化形成し、一体化形成後または一体化形成する
のとともに、この第2の枠体に新設の原動機及びギヤ、
上下乗降口の床等の前記機械室の構成機器を組付け、前
記上部又は下部機械室部分以外の部分は、前記経年乗客
コンベアの既設枠体に新設の機器を組付けることを特徴
とする乗客コンベアの更新方法。6. A method of updating a passenger conveyor for replacing equipment such as a prime mover, a gear, a step, a step guide rail, a floor of an upper and lower entrance and a balustrade, which constitute the aged passenger conveyor with the latest ones. A second frame body smaller than the existing frame body of the upper or lower machine room part is arbitrarily divided in advance to be manufactured, and the divided frame body is integrally formed as the second frame body in the existing frame body. After the chemical formation or the integral formation, a new prime mover and gear are attached to the second frame,
Passengers characterized by assembling components of the machine room such as floors of upper and lower entrances, and assembling new equipment to the existing frame of the aged passenger conveyor, except for the upper or lower machine room. How to update the conveyor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24348691A JPH0578076A (en) | 1991-09-24 | 1991-09-24 | Replacement method for passenger conveyor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24348691A JPH0578076A (en) | 1991-09-24 | 1991-09-24 | Replacement method for passenger conveyor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0578076A true JPH0578076A (en) | 1993-03-30 |
Family
ID=17104608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24348691A Pending JPH0578076A (en) | 1991-09-24 | 1991-09-24 | Replacement method for passenger conveyor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0578076A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008189418A (en) * | 2007-02-02 | 2008-08-21 | Hitachi Ltd | Passenger conveyor and its modifying method |
JP2012180203A (en) * | 2011-03-02 | 2012-09-20 | Toshiba Elevator Co Ltd | Renewal construction method for passenger conveyor |
JP2019522604A (en) * | 2016-06-21 | 2019-08-15 | インベンテイオ・アクテイエンゲゼルシヤフトInventio Aktiengesellschaft | How to modernize escalators or moving walkways |
-
1991
- 1991-09-24 JP JP24348691A patent/JPH0578076A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008189418A (en) * | 2007-02-02 | 2008-08-21 | Hitachi Ltd | Passenger conveyor and its modifying method |
JP2012180203A (en) * | 2011-03-02 | 2012-09-20 | Toshiba Elevator Co Ltd | Renewal construction method for passenger conveyor |
JP2019522604A (en) * | 2016-06-21 | 2019-08-15 | インベンテイオ・アクテイエンゲゼルシヤフトInventio Aktiengesellschaft | How to modernize escalators or moving walkways |
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