EP0870722B1 - Maintenance apparatus for elevator car - Google Patents

Maintenance apparatus for elevator car Download PDF

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Publication number
EP0870722B1
EP0870722B1 EP19980105924 EP98105924A EP0870722B1 EP 0870722 B1 EP0870722 B1 EP 0870722B1 EP 19980105924 EP19980105924 EP 19980105924 EP 98105924 A EP98105924 A EP 98105924A EP 0870722 B1 EP0870722 B1 EP 0870722B1
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EP
European Patent Office
Prior art keywords
ladder
roof
cabin
lift cage
elevator car
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
Application number
EP19980105924
Other languages
German (de)
French (fr)
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EP0870722A1 (en
Inventor
Christoph Liebetrau
Utz Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
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Inventio AG
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Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP19980105924 priority Critical patent/EP0870722B1/en
Publication of EP0870722A1 publication Critical patent/EP0870722A1/en
Application granted granted Critical
Publication of EP0870722B1 publication Critical patent/EP0870722B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B66B11/0246—Maintenance features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door

Definitions

  • the invention relates to a maintenance device for a Elevator car.
  • the elevator cabs known today must have a Service technician either bring a ladder or he must have a shaft door that is above the position of the Elevator car is what get to the roof of the cabin is also not harmless. Attaching one Ladder inside the cabin would do the visual Tarnish appearance. Such a ladder could continue be misused. But there are also cases where for static reasons you do not enter the cabin roof may be. Then a fitter has to work on Canopy or shaft access in any other way gain.
  • the present invention is based on the object an elevator car with a maintenance device to propose which the disadvantages mentioned above are not and a service technician with the largest possible Security access to the top of the cabin and to Shaft equipment procured.
  • the advantages achieved by the invention are in essential to see in that on the cabin itself a ladder is arranged, from which the fitter reach facilities to be serviced on the cabin roof can without having to enter the cabin roof. Because that Canopy can no longer stand high loads needs, its construction can now be simplified, respectively. be carried out in lightweight construction. The fitter is with his body partially during maintenance still inside the cabin, so there is none Risk of falling more and at the same time the shaft head height be reduced.
  • Elevator cabin possible.
  • a telescopic or collapsible ladder it is very easy and save space in the skylight. Further is done by attaching the ladder to the outside the inward-opening roof hatch a simple and quick roof access for maintenance guaranteed.
  • Fig.1 shows a section of a closed
  • Fig.2 a view of an open, folded, from Inside an elevator car 1 seen roof hatch 2.
  • Um the roof hatch 2, which is connected to a roof rail 3 of the elevator car 1 connects to be able to open, but must first one ceiling plate not shown here from the cabin ceiling be solved.
  • the roof spar 3 can also be used as a yoke Serve cabin frame.
  • a closure 4, for example with a triangular key can be operated, unlocked by turning. Through the The triangular key turns with the Lock 4 coupled locking lever 5 a pawl 6 a roof bar 7 free. This will lock the roof hatch 2 released.
  • a handle 10 can the roof hatch 2 can be folded down.
  • the roof hatch 2 can be designed so that either part of the Canopy or the entire canopy can be folded down is.
  • brackets 12 are attached, one in the unused Condition of collapsed or folded ladder 15 (shown in broken lines).
  • the ladder 15 itself is either a collapsible telescopic ladder or a folding ladder that is easy to use and fold to the length of the roof hatch 2 leaves, for example, of an aluminum alloy consists. When folded down, resp. inside folded roof hatch 2, the ladder 15 can easily from the Brackets 12 are removed.
  • FIG. 3 and 4 show a detailed view of the attachment the head 15 on the roof rail 3 of the elevator car 1, respectively.
  • a cross strut 20 at the upper end in two holding brackets 21, which are attached to the roof rail 3 of the cabin become.
  • the ladder 15 is opened by unlocking rungs 22 pulled down until the ladder 15 is open the floor 25 of the elevator car 1, respectively. until the Rungs 22 reach or lock into their end position.
  • the conductor 15 is related to the holding brackets 21 inclined on the floor 25 of the elevator car 1 so that it can be safely committed by a fitter 26.
  • the facilities to be maintained on the roof of the Elevator car 1 can be arranged so that the fitter 26 them from the ladder 15 without entering the canopy to have to wait. Due to the fact that the roof of the elevator car 1 is no longer subjected to high loads endure, its construction can now be simplified, respectively. be carried out in lightweight construction. Since the fitter 26 no longer stay on the roof of elevator car 1 there is no longer any risk of falling and at the same time can the shaft head height, respectively. the necessary Security room 30, the elevator shaft reduced become.

Description

Die Erfindung betrifft eine Wartungseinrichtung für eine Aufzugskabine.The invention relates to a maintenance device for a Elevator car.

Heute werden im Aufzugsbau in den Aufzugskabinen Dachluken vorgesehen, die einerseits als Fluchtweg für in einem blockierten Aufzug eingesperrten Fahrgäste dienen oder andererseits von Servicemonteuren als Zugang auf das Kabinendach benutzt werden können.Today in elevator construction in elevator cabins Roof hatches provided, on the one hand, as an escape route for in serve passengers locked in a blocked elevator or on the other hand by service technicians as access to the Canopy can be used.

Beispielsweise aus der DE 171 424 ist eine Sicherheitseinrichtung für Aufzüge bekanntgeworden, bei der in der Decke und im Boden der Kabine durch Klappen verschliessbare Öffnungen vorgesehen sind. Durch diese Öffnungen können im Falle eines Brandes oder einer Betriebsstörung die Insassen entweder nach oben oder nach unten aus der Kabine aussteigen und unter Benutzung einer an der Kabine oder am Schacht befestigten Strickleiter ins Freie gelangen.For example from DE 171 424 Safety device for lifts became known at by flaps in the ceiling and floor of the cabin closable openings are provided. Through this Openings can be made in the event of a fire or Malfunction the occupants either up or down Get out of the cabin below and use a rope ladder attached to the cabin or shaft get outside.

Bei der oben beschriebenen Anordnung wird zum Ausstieg aus der Kabine eine Strickleiter verwendet, die ausserhalb der Kabine angeordnet ist. Eine Strickleiter ist jedoch nur für Notfälle gedacht und aufgrund ihrer fehlenden Stabilität für Servicearbeiten am Schacht oder an der Kabine untauglich. Ausserdem besteht bei der Benutzung einer freihängenden Strickleiter durch einen Monteur, wie auch durch in der Kabine eingeschlossene Fahrgäste, Absturzgefahr.With the arrangement described above it becomes an exit used a rope ladder from the cabin that is arranged outside the cabin. A rope ladder is, however, only intended for emergencies and because of their lack of stability for service work on the shaft or disabled at the cabin. There is also the Use of a free hanging rope ladder by one Fitter, as well as by enclosed in the cabin Passengers, risk of falling.

Deshalb muss bei den heute bekannten Aufzugskabinen der Servicemonteur entweder eine Leiter mitbringen, oder er muss über eine Schachttüre, die oberhalb der Position der Aufzugskabine ist, auf das Dach der Kabine gelangen, was ebenfalls nicht ungefährlich ist. Das Anbringen einer Leiter im Innern der Kabine würde das optische Erscheinungsbild trüben. Weiter könnte eine solche Leiter missbräuchlich verwendet werden. Es gibt aber auch Fälle, wo das Kabinendach aus statischen Gründen nicht betreten werden darf. Dann muss sich ein Monteur für Arbeiten am Kabinendach oder im Schacht auf andere Weise Zugang verschaffen.For this reason, the elevator cabs known today must have a Service technician either bring a ladder or he must have a shaft door that is above the position of the Elevator car is what get to the roof of the cabin is also not harmless. Attaching one Ladder inside the cabin would do the visual Tarnish appearance. Such a ladder could continue be misused. But there are also cases where for static reasons you do not enter the cabin roof may be. Then a fitter has to work on Canopy or shaft access in any other way gain.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Aufzugskabine mit einer Wartungseinrichtung vorzuschlagen, welche die vorgenannten Nachteile nicht aufweist und einem Servicemonteur bei möglichst grosser Sicherheit Zugang zur Oberseite der Kabine und zu Schachteinrichtungen verschafft.The present invention is based on the object an elevator car with a maintenance device to propose which the disadvantages mentioned above are not and a service technician with the largest possible Security access to the top of the cabin and to Shaft equipment procured.

Diese Aufgabe wird durch die im Patentanspruch 1 gekennzeichnete Erfindung gelöst.This object is achieved by the in claim 1 characterized invention solved.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass an der Kabine selbst eine Leiter angeordnet ist, von der aus der Monteur die zu wartenden Einrichtungen auf dem Kabinendach erreichen kann, ohne das Kabinendach betreten zu müssen. Weil das Kabinendach keine hohen Belastungen mehr auszuhalten braucht, kann nun dessen Konstruktion vereinfacht, resp. in Leichtbau ausgeführt werden. Der Monteur befindet sich mit seinem Körper während der Wartungsarbeiten teilweise noch innerhalb der Kabine, deshalb besteht keine Absturzgefahr mehr und zugleich kann die Schachtkopfhöhe reduziert werden.The advantages achieved by the invention are in essential to see in that on the cabin itself a ladder is arranged, from which the fitter reach facilities to be serviced on the cabin roof can without having to enter the cabin roof. Because that Canopy can no longer stand high loads needs, its construction can now be simplified, respectively. be carried out in lightweight construction. The fitter is with his body partially during maintenance still inside the cabin, so there is none Risk of falling more and at the same time the shaft head height be reduced.

Durch die in den Unteransprüchen aufgeführten Massnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Aufzugskabine möglich. Durch die Ausführung als Teleskopoder zusammenklappbare Leiter lässt sie sich sehr einfach und platzsparend in der Dachluke unterbringen. Weiter wird durch das Anbringen der Leiter an der Aussenseite der nach innen klappbaren Dachluke ein einfacher und schneller Dachzugang für die Wartung gewährleistet.By the measures listed in the subclaims are advantageous developments and improvements of specified in claim 1 Elevator cabin possible. Through the design as a telescopic or collapsible ladder it is very easy and save space in the skylight. Further is done by attaching the ladder to the outside the inward-opening roof hatch a simple and quick roof access for maintenance guaranteed.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt und im folgenden näher erläutert. Es zeigen:

Fig.1
einen Ausschnitt einer geschlossenen, vom Kabineninnern her gesehenen Dachluke,
Fig.2
einen Ausschnitt einer offenen, heruntergeklappten Dachluke,
Fig.3
eine Detailansicht der Leiterbefestigung am Kabinendachholm, und
Fig.4
einen Schnitt durch eine Aufzugskabine mit angeordneter Leiter.
In the drawing, an embodiment of the invention is shown and explained in more detail below. Show it:
Fig.1
a section of a closed roof hatch seen from inside the cabin,
Fig.2
a section of an open, folded-down roof hatch,
Figure 3
a detailed view of the ladder attachment to the cabin roof spar, and
Figure 4
a section through an elevator car with arranged ladder.

Fig.1 zeigt einen Ausschnitt einer geschlossenen, Fig.2 eine Ansicht einer offenen, heruntergeklappten, vom Innern einer Aufzugskabine 1 her gesehenen Dachluke 2. Um die Dachluke 2, die an einen Dachholm 3 der Aufzugskabine 1 anschliesst, öffnen zu können, muss jedoch zuerst eine hier nicht gezeigte Deckenplatte von der Kabinendecke gelöst werden. Der Dachholm 3 kann auch als Joch des Kabinenrahmens dienen. Anschliessend wird ein Verschluss 4, der beispielsweise mit einem Dreikantschlüssel betätigt werden kann, durch drehen entriegelt. Durch die Drehbewegung des Dreikantschlüssels gibt ein mit dem Verschluss 4 gekoppelter Verschlusshebel 5 eine Klinke 6 eines Dachriegels 7 frei. Dadurch wird die Verriegelung der Dachluke 2 gelöst. Mittels eines Handgriffes 10 kann die Dachluke 2 heruntergeklappt werden. Die Dachluke 2 kann so ausgebildet sein, dass entweder ein Teil des Kabinendaches oder das ganze Kabinendach herunterklappbar ist.Fig.1 shows a section of a closed, Fig.2 a view of an open, folded, from Inside an elevator car 1 seen roof hatch 2. Um the roof hatch 2, which is connected to a roof rail 3 of the elevator car 1 connects to be able to open, but must first one ceiling plate not shown here from the cabin ceiling be solved. The roof spar 3 can also be used as a yoke Serve cabin frame. Then a closure 4, for example with a triangular key can be operated, unlocked by turning. Through the The triangular key turns with the Lock 4 coupled locking lever 5 a pawl 6 a roof bar 7 free. This will lock the roof hatch 2 released. By means of a handle 10 can the roof hatch 2 can be folded down. The roof hatch 2 can be designed so that either part of the Canopy or the entire canopy can be folded down is.

An einer Aussenseite 11 der Dachluke 2, dass heisst bei geschlossener Dachluke 2 ausserhalb des Fahrgastraums, sind Halterungen 12 angebracht, die eine im unbenutzten Zustand zusammengestossene oder zusammengeklappte Leiter 15 (strichpunktiert dargestellt) tragen. Die Leiter 15 selbst ist entweder eine zusammenschiebbare Teleskop-Leiter oder eine Klappleiter, die sich auf einfache Art und Weise auf die Länge der Dachluke 2 zusammenklappen lässt beispielsweise aus einer Aluminiumlegierung besteht. Bei heruntergeklappter, resp. nach innen geklappter Dachluke 2 kann die Leiter 15 einfach aus den Halterungen 12 herausgenommen werden.On an outside 11 of the roof hatch 2, that is at closed roof hatch 2 outside the passenger compartment, brackets 12 are attached, one in the unused Condition of collapsed or folded ladder 15 (shown in broken lines). The ladder 15 itself is either a collapsible telescopic ladder or a folding ladder that is easy to use and fold to the length of the roof hatch 2 leaves, for example, of an aluminum alloy consists. When folded down, resp. inside folded roof hatch 2, the ladder 15 can easily from the Brackets 12 are removed.

Fig.3 und Fig.4 zeigen eine Detailansicht der Befestigung der Leiter 15 am Dachholm 3 der Aufzugskabine 1, resp. einen Schnitt durch die Aufzugskabine 1 mit der in Arbeitsstellung angeordneten Leiter 15 und heruntergeklappter Dachluke 2. Nachdem die Leiter 15 aus den Halterungen 12 herausgenommen wurde, kann sie mit einer Querstrebe 20 am oberen Ende in zwei Haltebügel 21, die am Dachholm 3 der Kabine befestigt sind, eingehängt werden. Die Leiter 15 wird durch Entriegeln von Sprossen 22 solange nach unten ausgezogen, bis die Leiter 15 auf dem Boden 25 der Aufzugskabine 1 steht, resp. bis die Sprossen 22 in ihre Endstellung gelangen oder einrasten. Die Leiter 15 steht in Bezug zu den Haltebügeln 21 geneigt auf dem Boden 25 der Aufzugskabine 1, so dass sie von einem Monteur 26 sicher begangen werden kann.3 and 4 show a detailed view of the attachment the head 15 on the roof rail 3 of the elevator car 1, respectively. a section through the elevator car 1 with the in Working position arranged conductor 15 and folded roof hatch 2. After the ladder 15 out the brackets 12 has been removed, it can be used a cross strut 20 at the upper end in two holding brackets 21, which are attached to the roof rail 3 of the cabin become. The ladder 15 is opened by unlocking rungs 22 pulled down until the ladder 15 is open the floor 25 of the elevator car 1, respectively. until the Rungs 22 reach or lock into their end position. The conductor 15 is related to the holding brackets 21 inclined on the floor 25 of the elevator car 1 so that it can be safely committed by a fitter 26.

Der Schliessvorgang der Dachluke 2 respektive das Verstauen der Leiter 15 in der Dachluke 2 wird in umgekehrter Reihenfolge des Öffnungsvorganges erreicht. The closing process of the roof hatch 2 or that Stowing the conductor 15 in the roof hatch 2 is in reverse order of opening is achieved.

Aufgrund der sich nun immer vor Ort befindlichen Leiter 15 können die zu wartenden Einrichtungen auf dem Dach der Aufzugskabine 1 so angeordnet werden, dass der Monteur 26 sie von der Leiter 15 aus, ohne das Kabinendach betreten zu müssen, warten kann. Aufgrund der Gegebenheit, dass das Dach der Aufzugskabine 1 keine hohen Belastungen mehr aushalten muss, kann nun dessen Konstruktion vereinfacht, resp. in Leichtbau ausgeführt werden. Da sich der Monteur 26 nicht mehr auf dem Dach der Aufzugskabine 1 aufhalten muss, besteht zudem keine Absturzgefahr mehr und zugleich kann die Schachtkopfhöhe, resp. der notwendige Sicherheitsraum 30, des Aufzugsschachtes reduziert werden.Because of the ladder now always on site 15 can be the facilities to be maintained on the roof of the Elevator car 1 can be arranged so that the fitter 26 them from the ladder 15 without entering the canopy to have to wait. Due to the fact that the roof of the elevator car 1 is no longer subjected to high loads endure, its construction can now be simplified, respectively. be carried out in lightweight construction. Since the fitter 26 no longer stay on the roof of elevator car 1 there is no longer any risk of falling and at the same time can the shaft head height, respectively. the necessary Security room 30, the elevator shaft reduced become.

Claims (6)

  1. Lift cage with maintenance equipment, wherein a roof hatch (2) which can be pivoted open and pivoted closed is mounted at the lift cage (1) and wherein the maintenance equipment comprises a ladder (15) and when the roof hatch (2) is opened the ladder (15) enables access to the roof of the lift cage (1), characterised in that the ladder (15) in the unused state is mounted at the roof hatch (2) at mounts (12).
  2. Lift cage according to claim 1, characterised in that the ladder (15) is an extensible telescopic ladder.
  3. Lift cage according to claim 1, characterised in that the ladder (15) is a collapsible ladder.
  4. Lift cage according to any one of claims 1 to 3, characterised in that the roof hatch (2) can be pivoted open towards the inside.
  5. Lift cage according to any one of claims 1 to 4, characterised in that the ladder (15) can be suspended in a mounting bracket (21).
  6. Lift cage according to any one of claims 1 to 5, characterised in that rungs of the ladder are lockable.
EP19980105924 1997-04-10 1998-04-01 Maintenance apparatus for elevator car Expired - Lifetime EP0870722B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19980105924 EP0870722B1 (en) 1997-04-10 1998-04-01 Maintenance apparatus for elevator car

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97810213 1997-04-10
EP97810213 1997-04-10
EP19980105924 EP0870722B1 (en) 1997-04-10 1998-04-01 Maintenance apparatus for elevator car

Publications (2)

Publication Number Publication Date
EP0870722A1 EP0870722A1 (en) 1998-10-14
EP0870722B1 true EP0870722B1 (en) 2002-10-23

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EP19980105924 Expired - Lifetime EP0870722B1 (en) 1997-04-10 1998-04-01 Maintenance apparatus for elevator car

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10926977B2 (en) 2015-08-27 2021-02-23 Inventio Ag Elevator car with ladder removable from the interior
US11104550B2 (en) 2018-02-27 2021-08-31 Otis Elevator Company Elevator car and elevator system comprising an elevator car

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7299896B1 (en) 1998-09-29 2007-11-27 Otis Elevator Company Elevator system having drive motor located adjacent to hoistway door
DE50006987D1 (en) * 1999-02-05 2004-08-12 Inventio Ag Device for performing work in an elevator shaft
US6691833B1 (en) * 1999-02-05 2004-02-17 Inventio Ag Elevator without a machine room
WO2001081229A1 (en) * 2000-04-20 2001-11-01 Inventio Ag Device for carrying out work in an elevator shaft
AU2001258135A1 (en) * 2000-05-25 2001-12-03 Inventio A.G. Elevator installation with a device for carrying out work in an elevator shaft
FR2811971B1 (en) * 2000-07-21 2002-12-13 Sodimas ELEVATOR INSTALLATION WITH A REDUCED HEIGHT UPPER LEVEL
FI115625B (en) * 2001-08-13 2005-06-15 Kone Corp Method and arrangement for providing a safety space in the lower part of the elevator shaft
FR2841885B1 (en) * 2002-07-05 2005-01-14 Otis Elevator Co OPENING ELEVATOR CABIN CEILING FOR INTERVENTION ON FIXED EQUIPMENT IN HOPPER
CN1976858B (en) * 2005-05-24 2011-06-01 三菱电机株式会社 Elevator car
SE530278C2 (en) * 2005-10-21 2008-04-15 Alimak Ab Securing device for an elevator car included in an elevator
EP1988049A1 (en) * 2007-05-04 2008-11-05 Inventio Ag Safety device for an elevator car
EP3693317B1 (en) * 2019-02-08 2022-11-30 KONE Corporation Elevator arrangement
EP4303164A1 (en) 2022-07-04 2024-01-10 OTIS Elevator Company Elevator car with foldable working platform

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE171423C (en) *
US1539268A (en) * 1923-08-15 1925-05-26 Oscar A Norman Emergency means of egress from elevator cars
JPH0597357A (en) * 1991-10-04 1993-04-20 Mitsubishi Electric Corp Elevator cage device
JPH05186150A (en) * 1992-01-08 1993-07-27 Toshiba Corp Emergency rescue device of elevator cage equipped with
JPH06278973A (en) * 1993-03-30 1994-10-04 Mitsubishi Electric Corp Cage ceiling device for elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10926977B2 (en) 2015-08-27 2021-02-23 Inventio Ag Elevator car with ladder removable from the interior
US11104550B2 (en) 2018-02-27 2021-08-31 Otis Elevator Company Elevator car and elevator system comprising an elevator car

Also Published As

Publication number Publication date
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