EP2516307A1 - Schachtzugangsfreigabevorrichtung einer aufzugsanlage - Google Patents
Schachtzugangsfreigabevorrichtung einer aufzugsanlageInfo
- Publication number
- EP2516307A1 EP2516307A1 EP10784802A EP10784802A EP2516307A1 EP 2516307 A1 EP2516307 A1 EP 2516307A1 EP 10784802 A EP10784802 A EP 10784802A EP 10784802 A EP10784802 A EP 10784802A EP 2516307 A1 EP2516307 A1 EP 2516307A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- access control
- control unit
- shaft
- access
- operating
- 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.)
- Granted
Links
Classifications
-
- 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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Definitions
- the invention relates to a shaft access release device of an elevator installation according to the preamble of claim 1.
- Document EP 1 882 666 A1 discloses a method for controlling access to an elevator car, in particular to its upper or lower side, of an elevator installation in which an elevator control is switched to a maintenance mode by actuating an elevator car call system in a predetermined pattern becomes.
- a particular object of the invention is to provide a simple and reliable control of access openings of a shaft of an elevator installation, and in particular during maintenance of the elevator installation. It is achieved according to the invention by the features of claim 1. Further embodiments will be apparent from the dependent claims and subclaims.
- the invention relates to a shaft access release device of an elevator installation, comprising a shaft access control unit and at least one access control unit, wherein the shaft access control unit is provided to control an operating state of the at least one access control unit and the access control unit is provided to control at least one shaft access.
- a "control unit” is to be understood as meaning, in particular, a device having an arithmetic unit, a memory unit, an operating program stored therein and an application program.
- “Shaft access” is to be understood in this context as meaning, in particular, an opening in a shaft of an elevator installation which, from outside the shaft, allow intrusion of persons, parts of persons and / or objects held by persons into a volume of space surrounded by side walls of the shaft.
- shaft doors, maintenance and inspection openings and an access door to a shaft pit belong to the shaft access.
- a "control of a shaft access by an access control unit” is to be understood in particular as meaning that a shaft access is provided with a closure means. closed and the closure means is locked with a locking element.
- a maintenance opening or a shaft door can be closed with a door and locked with an electromechanically actuable lock as a locking element.
- the maintenance opening can be locked with a three-key operated lock as a locking element.
- the access control unit should control a state of the locking element and / or a release to the locking element, in that the access control unit can assume at least two operating states.
- the at least two operating states of the access control unit should each be a causal cause for the at least two states of the locking element and / or for a release to actuate the locking element.
- the two operating states of the access control unit may be characterized in that a switching output of the access control unit is supplied with an electrical voltage or is de-energized, so that the electromechanically operable lock is in an unlocked or a locked state.
- the lock is in a non-released or a released state.
- a release of the lock can be done in different ways.
- access to the lock, in particular the triangular may be covered by an adjusting element in a non-released state.
- the adjusting element can be brought into a position which releases access to the triangular.
- the release of the lock by means of a release element which prevents in its non-released state Drehbeturgi- tion of the triangle.
- the release element is introduced in the form of a bolt in the rotary cylinder of the triangular.
- the shaft access control unit has at least two different operating modes for controlling the operating state of the at least one access control unit and is provided to check an access authorization before a change between its at least two operating modes.
- a “mode of operation" of the shaft access control unit is in this context, in particular a state the shaft access control unit, which is characterized by an activation of a program sequence which is provided for a specific operating situation and comprises at least one control instruction.
- the manhole access control unit may include one or more of the following modes of operation: normal operation, maintenance, assembly, repair, evacuation.
- a "check of an access authorization” should be understood in particular to mean that the shaft access control unit compares information entered by an operator with information stored in an access area of the shaft access control unit
- the input of the information by the operator can preferably be coded via magnetic stripes Key, password input to a keyboard or similar methods known in the art done.
- the proposed verification of an access authorization before a change between two of the operating modes of the shaft access control unit allows secure access to previously determinable shaft access and unauthorized use of manhole access can be avoided.
- the shaft access release device comprises at least two access control units, differing setpoint values being defined in at least one operating mode of the shaft access control unit for operating states of the at least two access control units.
- the set values of the at least two access control units of an operating situation of the elevator installation which are defined in the at least one operating mode and which correspond to this operating mode can be adapted.
- a restricted zone can be set up, in which all shaft doors are locked above a lowermost shaft door, on which a lift cage permanently resides. In this way, unauthorized entry into the shaft space above the elevator car connected with a danger of falling can be avoided.
- an information signal emanates from the shaft access control unit is intended to control an elevator car drive means.
- an elevator car can assume a position in the shaft which is determined in advance and stored in the memory of the shaft access control unit. Under these conditions, a simple control of manhole access in a predetermined zone of the elevator installation can be made possible.
- the term "due to at least one change” should be understood in particular to mean that a change is a necessary condition for a delivery of the information signal, but that further conditions to be met can also be set up which in turn drives an elevator car drive means to move the elevator car to the predetermined position.
- an information signal emanating from the shaft access control unit which is intended to control a locking means for mechanically blocking an elevator car.
- the elevator car can be mechanically locked by means of the locking means with at least one guide rail, with a shaft structure or with a part of a shaft door.
- the at least one access control unit comprises at least one adjusting element, which is intended to change its operating state due to an applied electrical voltage.
- the at least one access control unit can be designed as an opener with an electromechanical locking element, such as a lock or as a release device according to EP 1 471 028 B1 for a triangular key customary in elevator installation technology.
- the shaft access control unit has a maintenance mode for controlling the operating states of the at least two access control units during maintenance of the elevator installation.
- This allows a control of manhole access specially tailored to the increased safety requirements of maintenance.
- manhole access which are defined in advance and deposited in the memory of the manhole access control unit, with a suitable design, expanded possibilities for simplified maintenance of the elevator installation can be achieved.
- an operating state "Open” is stored in the service access mode for an access control unit of at least one bottommost shaft access and for an access control unit of at least one next higher shaft access and a "Closed" operating state for all other access control units.
- the shaft access control unit comprises at least one safety monitoring means which is provided to change a current operating mode of the shaft access control unit into a safety mode in at least one operating mode after a predetermined period of time has elapsed without a request for control operations, particularly secure access control of the shaft access can be achieved.
- a "request of control processes" is to be understood in particular as meaning a control process requested by the operator of the manhole access control unit,
- a request for a control operation can be simulated by operating a deadman switch
- the security mode may suspend all control operations of the chess access enable unit and may only be resettable after further verification of an access authorization.
- an elevator installation with at least one elevator car, with a shaft access release device and with at least one further control unit, which is intended to be maintained in one of the lower floors.
- a "lower floor” is to be understood as meaning, in particular, a lowest and a first highest level. res floor.
- the lowest floors are floors that are particularly easy to reach in a building. Typically, these are floors that include an entrance to a building, such as a ground floor or a floor, that includes access from an overground or underground parking area.
- a first of the at least two maintenance positions of the at least one elevator car is located between a lowest floor and a next higher floor.
- a maintenance be accessible.
- it can be avoided by a suitable positioning of the at least one elevator car that a person unauthorizedly enters a roof of the at least one elevator car.
- a second of the at least two maintenance positions of the at least one elevator car is located at one of the highest floors of the elevator installation.
- "one of the highest floors” should be understood to mean, in particular, a top floor and a floor directly below it, and all shaft accesses except a highest and a directly below shaft door can advantageously be blocked, thereby ensuring particularly secure control of the shaft access during Maintenance can be made possible.
- a particularly simple and secure access control of the shaft access during maintenance can result for an elevator installation with at least one elevator car and with a shaft access release device, if the elevator system has an elevator car drive means, which is arranged below a highest possible elevator car position in operation and of the Elevator car to be serviced by an opening in a side wall of the elevator car. In this case it is enough that only one landing door, allowing access to the elevator car, is enabled by the manhole access control unit while all other manhole accesses are blocked by the access control units.
- FIG. 2 shows an illustration of an elevator installation with a shaft access release device according to FIG. 1, FIG.
- FIG. 3 the elevator system according to FIG. 2 with an elevator car in one
- FIG 5 shows an access control unit with covered and open triangular access.
- the elevator installation 10 comprises, in a known manner, an elevator car drive means 16, a counterweight 18 and guide rails 20, 22 for guiding the elevator car 12.
- a shaft access 26 designed as a shaft door.
- a door 28 (FIG. 4) of the elevator car 12 opens, whereby the shaft door 26 of the floor 24 is likewise opened and access to the elevator car 12 is released in a known manner.
- the hoistway 10 includes a hoistway access 30 above the hoistway 32. All manhole accesses are equipped with an auxiliary opening mechanism of known type equipped with a triangular 34 accessible through an access opening and with one in elevator installation technology Turn the usual triangular key to activate the auxiliary opening mechanism. At each shaft access the elevator installation 10 is above the access opening to the triangular 34 a
- Access control unit 36 is arranged, which is intended to control the manhole access. This is done by each access control unit 36 comprising an adjustment element 38 (FIG. 5) which is intended to change its operating state due to an applied electrical voltage.
- the access opening to the triangular 34 is covered by the adjusting element 38.
- the access opening to the triangular 34 is free and the triangular 34 is accessible to an operator.
- the access control unit 36 instead of an adjusting element 38 comprises a release element. In this case, a rotational movement of the triangular 34 by the release element, such as a bolt, which is in a rotary cylinder of the three-edge 34 and executable, releasable. In a first operating state of the release element, a rotational movement of the triangular 34 is prevented. In a second operating state, a rotational actuation is enabled for an operator of the triangle 34.
- the auxiliary opening mechanism can be actuated electromechanically and can be designed, for example, as an electromechanically actuated lock, in particular a latch lock.
- triangular 34 and the adjusting element 38 or the release element are dispensed with.
- the electromechanically actuatable Hilfso réellesmechanismus is actuated by the access control unit 36.
- an associated manhole access formed as a shaft door 26 is locked.
- the associated shaft door 26 is unlocked and can be opened by an operator.
- FIG. 1 shows a schematic structure of a shaft access release device of the elevator installation 10 according to FIG. 2.
- the shaft access release device comprises a shaft access control unit 40, which is provided to control an operating state of each of the access control units 36.
- the shaft access control unit 40 has the following different ones Operating modes for controlling the operating states of the access control units 36 on: "normal operation” during normal operation of the elevator installation 10, “maintenance” during maintenance of the elevator installation 10, “repair” during replacement of a component of the elevator installation 10, “construction” during a construction phase of the elevator installation 10 Elevator installation 10 and "evacuation” in the case of an evacuation of the elevator installation 10.
- a "closed” operating state is stored as nominal state in a storage unit 42 of the shaft access control unit 40. All adjustment elements 38 of the access control units 36 cover the Auxiliary opening mechanism For each operating mode of the shaft access control unit 40, target states for the access control units 36 are stored in the storage unit 42.
- the operating mode "normal operation" of the shaft access control unit 40 must be changed to the operating mode "maintenance".
- the pit access control unit 40 is provided to check an access authorization before changing between its operating modes by an operator inputting a password into a wireless input unit 44 of the pit access control unit 40. If the entered password matches the password stored in the memory unit 42 of the slot access control unit 40, a change to maintenance mode takes place.
- differing setpoint values are defined in the storage unit 42 of the shaft access control unit 40 for the operating states of the access control units.
- the pit access control unit 40 controls the operating state of the access control units 36 in the maintenance mode, for an access control unit 36 of the pit access 30, for an access control unit 36 of the landing door 26 of a lowermost floor 46 (FIG. 2) and for the access control unit 36 of a next higher floor 48 in the storage unit 42 of the shaft access control unit 40 deposited "open" operating state and for all other access control units 36 a stored in the memory unit 42 of the shaft access control unit 40 operating state "Closed" by the shaft access control unit 40 is fixed.
- a first information signal emanates from the shaft access control unit 40, which is provided to control the elevator car. drive 16 to drive.
- the shaft access control unit 40 sends the information signal to a control unit 50 for controlling the elevator installation 10, which is intended to control the elevator car drive means 16 and to move the elevator car 12 to one of two maintenance positions 52, 54 (FIGS. 2 and 3) on the basis of the first information signal. , which are stored for maintenance of components of the elevator installation 10 in maintenance mode in the storage unit 42 of the shaft access control unit 40.
- a second information signal is provided by the shaft access control unit 40, which is intended to control a locking means 56 for mechanically blocking the elevator car 12 (FIG. 3).
- the shaft access control unit 40 sends the second information signal to the control unit 50 for controlling the elevator installation 10, which is provided, on the basis of the second information signal, the locking means 56, which is arranged on a guide rail 20, 22 of the elevator installation 10, for mechanically blocking the elevator cage 12 to move to a blocking position.
- One of the two maintenance positions 52, 54 of the elevator car 12 is located between the lowest floor 46 and the next higher floor 48 (FIG. 3).
- the shaft access formed by the shaft door 26 of the lowest floor 46 can be opened with the known triangular key, since the operating state of the access control unit 36 was controlled by the shaft access control unit 40 to "open"
- Components of the elevator installation 10 in the floor area of the elevator car 12 can be reached through this shaft access.
- an elevator car door drive and other components which are arranged on a roof of the elevator car 12, are accessible for maintenance.
- the position of the elevator car 12 between the lowest floor 46 and the next higher floor 48 is selected so that a gap height between the roof of the elevator car 12 and the shaft door 26 is formed, which is sufficient to carry out the maintenance, but an inspection of the roof of the Elevator car 12 prevented by a person. Due to the blocked elevator car 12, it is certainly possible to walk the shaft pit 32 and carry out the maintenance of components of the elevator installation 10 arranged there.
- control unit 50 for controlling the elevator installation 10 is intended to be serviced from the lowest floor 46 or the shaft pit 32.
- the second of the two maintenance positions 52, 54 of the elevator car 12 is located in a top floor 58 of the elevator installation 10 (FIG. 2).
- the elevator car drive means 16 is arranged below a maximum possible elevator car position in operation and is intended to be serviced by the elevator car 12 through an opened side wall 60 of the elevator car 12 (FIG. 4).
- a counterweight 18 is located at a lowest point in the shaft pit 32 and can be safely maintained there.
- the pit access control unit 40 is data-connected to a clock of the control unit 50 for controlling the elevator installation 10 and registers incoming requests of control operations in a maintenance, repair or installation mode.
- the shaft access control unit 40 comprises a safety monitoring device which is provided to change the maintenance mode of the shaft access control unit 40 to a safety mode in the maintenance mode after a predetermined period of time without a request for control operations.
- the operator can request with the input unit 44 an effect-free control process, for which he is prompted before the change to the safety mode by a signal of the shaft access control unit 40.
Landscapes
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10784802.0A EP2516307B1 (de) | 2009-12-21 | 2010-12-01 | Schachtzugangsfreigabevorrichtung einer aufzugsanlage |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09180110 | 2009-12-21 | ||
| PCT/EP2010/068583 WO2011076531A1 (de) | 2009-12-21 | 2010-12-01 | Schachtzugangsfreigabevorrichtung einer aufzugsanlage |
| EP10784802.0A EP2516307B1 (de) | 2009-12-21 | 2010-12-01 | Schachtzugangsfreigabevorrichtung einer aufzugsanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2516307A1 true EP2516307A1 (de) | 2012-10-31 |
| EP2516307B1 EP2516307B1 (de) | 2015-04-01 |
Family
ID=42154681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10784802.0A Active EP2516307B1 (de) | 2009-12-21 | 2010-12-01 | Schachtzugangsfreigabevorrichtung einer aufzugsanlage |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9272878B2 (de) |
| EP (1) | EP2516307B1 (de) |
| KR (1) | KR101818270B1 (de) |
| CN (1) | CN102753466B (de) |
| CO (1) | CO6511267A2 (de) |
| ES (1) | ES2541812T3 (de) |
| WO (1) | WO2011076531A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10889466B2 (en) | 2017-05-02 | 2021-01-12 | Otis Elevator Company | Elevator landing door lock safety system |
| US11091351B2 (en) | 2017-06-22 | 2021-08-17 | Otis Elevator Company | Elevator lintel door lock safety devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112013024033A2 (pt) * | 2011-03-21 | 2017-06-27 | Inventio Ag | elevador tendo profundidade mínima de poço de elevador e um espaço protetor permanente |
| FI125118B (fi) * | 2013-01-07 | 2015-06-15 | Kone Corp | Hissi |
| EP2765108A1 (de) * | 2013-02-06 | 2014-08-13 | Kone Corporation | Verfahren zur Bereitstellung von Schachtzugang in einem Aufzug |
| EP3094587B1 (de) * | 2014-01-16 | 2018-12-26 | KONE Corporation | Gültigkeitskontrolle einer lizenz einer wartungseinheit zum zugriff auf eine steuerung einer personenbeförderungs-/zugangsvorrichtung eines gebäudes |
| WO2016091777A1 (de) | 2014-12-11 | 2016-06-16 | Inventio Ag | Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtung |
| KR20170099913A (ko) * | 2014-12-12 | 2017-09-01 | 오티스 엘리베이터 컴파니 | 승강기통로 랜딩 도어 잠금 시스템 및 엘리베이터 샤프트에 대한 접근을 통제하는 방법 |
| US9359171B1 (en) * | 2015-01-20 | 2016-06-07 | Inventio Ag | Safety system for a lift installation and safety helmet as individual component of such a safety system |
| CN107592852B (zh) | 2015-05-07 | 2020-03-24 | 奥的斯电梯公司 | 电梯系统井道通道控制 |
| US10968075B2 (en) | 2015-06-30 | 2021-04-06 | Otis Elevator Company | Elevator car location zones in hoistway |
| EP3328770B1 (de) | 2015-07-28 | 2022-05-11 | Otis Elevator Company | Aufzugswartung vom inneren der aufzugskabine |
| US10526168B2 (en) | 2015-10-22 | 2020-01-07 | Otis Elevator Company | Service alarm device for warning if an elevator safety device is not activated |
| EP3184477B1 (de) * | 2015-12-22 | 2019-07-24 | KONE Corporation | Verfahren und anordnung für den wartungsbetrieb eines aufzugs |
| EP3228575A1 (de) * | 2016-04-04 | 2017-10-11 | OSMA-Aufzüge Albert Schenk GmbH & Co.KG | Türanordnung eines aufzugs mit verriegelung |
| EP3336039A1 (de) * | 2016-12-15 | 2018-06-20 | Otis Elevator Company | Zugangsverhinderungssysteme für schlösser von aufzugsanlagen |
| US10112802B2 (en) * | 2017-01-30 | 2018-10-30 | Otis Elevator Company | Elevator service person collision protection system |
| EP3360837B1 (de) * | 2017-02-13 | 2022-04-20 | Otis Elevator Company | Wartungszugangssystem für aufzüge |
| ES2759442T3 (es) * | 2017-05-05 | 2020-05-11 | Kone Corp | Sistema de ascensor y pantalla de contrapeso |
| US10414628B2 (en) * | 2017-05-12 | 2019-09-17 | Otis Elevator Company | Elevator system device with authorized access control |
| ES2921228T3 (es) | 2017-07-12 | 2022-08-22 | Otis Elevator Co | Dispositivo de bloqueo |
| US10889465B2 (en) | 2017-07-31 | 2021-01-12 | Otis Elevator Company | Mechanical hoistway access control device |
| US20190084796A1 (en) * | 2017-09-15 | 2019-03-21 | Otis Elevator Company | Restricted access area safety system |
| CN109081213A (zh) * | 2018-09-11 | 2018-12-25 | 迅达(中国)电梯有限公司 | 电梯限制区域安全监控系统 |
| CN110424857B (zh) * | 2019-07-17 | 2020-11-27 | 福建省高华建设工程有限公司 | 一种集成装配式钢结构竖井维修装置 |
| ES2907860T3 (es) * | 2019-09-26 | 2022-04-26 | Otis Elevator Co | Control del movimiento de una cabina de ascensor de un sistema de ascensor |
| US12157657B2 (en) | 2019-11-28 | 2024-12-03 | Otis Elevator Company | Emergency stop system for elevator |
| CN114867676B (zh) * | 2019-12-17 | 2024-12-13 | 因温特奥股份公司 | 用于检查的操作电梯的方法 |
| CN116710385A (zh) * | 2021-01-08 | 2023-09-05 | 通力股份公司 | 输送机系统的操作的控制 |
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| JP2880858B2 (ja) * | 1992-08-07 | 1999-04-12 | 三菱電機ビルテクノサービス株式会社 | エレベータの制御装置 |
| US5644111A (en) * | 1995-05-08 | 1997-07-01 | New York City Housing Authority | Elevator hatch door monitoring system |
| DE19800714A1 (de) * | 1998-01-09 | 1999-07-15 | Kone Oy | Verfahren zur Wartung einer Aufzugsanlage und Aufzugsanlage |
| US6202797B1 (en) * | 1999-08-26 | 2001-03-20 | Otis Elevator Company | Automatic protection of elevator mechanics |
| DE10108772A1 (de) * | 2001-02-23 | 2002-11-21 | Otis Elevator Co | Aufzugssicherheitseinrichtung |
| US6630886B2 (en) * | 2001-07-10 | 2003-10-07 | Otis Elevator Company | Top of elevator car inspection station with alarm |
| ITMI20012558A1 (it) * | 2001-12-04 | 2003-06-04 | L A Consulting S A S Di Sara F | Ascensore con cabina guidata in un vano corsa, senza locale del macchinario |
| US6847292B2 (en) * | 2001-12-20 | 2005-01-25 | Inventio Ag | Method and device for remote unlocking of an access door of a building with an elevator |
| PE20040794A1 (es) * | 2003-03-05 | 2004-12-22 | Inventio Ag | Prevencion de acceso no autorizado a cajas de ascensor |
| EP1466853A1 (de) * | 2003-04-07 | 2004-10-13 | Inventio Ag | Verfahren zur Wartung eines Aufzuges |
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| US7954606B2 (en) * | 2005-10-05 | 2011-06-07 | Otis Elevator Company | Elevator system control responsive to hoistway access detection |
| SG139660A1 (en) * | 2006-07-26 | 2008-02-29 | Inventio Ag | Method of controlling access to an elevator car |
| EP1882666B1 (de) | 2006-07-26 | 2013-10-09 | Inventio AG | Verfahren zur Steuerung des Zugangs zu einem Aufzug |
| WO2009073001A1 (en) * | 2007-12-03 | 2009-06-11 | Otis Elevator Company | Passive detection of persons in elevator hoistway |
| SG187692A1 (en) * | 2010-08-04 | 2013-03-28 | Inventio Ag | Magnetic lock for an operating unit in an elevator system |
| CN103596865B (zh) * | 2011-05-10 | 2015-11-25 | 奥的斯电梯公司 | 管理电梯系统的远程控制 |
| US20120305340A1 (en) * | 2011-05-31 | 2012-12-06 | Ming-Yuan Wu | Elevator, floor, and door access control system and method |
-
2010
- 2010-12-01 WO PCT/EP2010/068583 patent/WO2011076531A1/de not_active Ceased
- 2010-12-01 CN CN201080063432.7A patent/CN102753466B/zh not_active Expired - Fee Related
- 2010-12-01 KR KR1020127019097A patent/KR101818270B1/ko not_active Expired - Fee Related
- 2010-12-01 ES ES10784802.0T patent/ES2541812T3/es active Active
- 2010-12-01 US US13/518,082 patent/US9272878B2/en not_active Expired - Fee Related
- 2010-12-01 EP EP10784802.0A patent/EP2516307B1/de active Active
-
2012
- 2012-07-19 CO CO12121948A patent/CO6511267A2/es active IP Right Grant
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011076531A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10889466B2 (en) | 2017-05-02 | 2021-01-12 | Otis Elevator Company | Elevator landing door lock safety system |
| US11091351B2 (en) | 2017-06-22 | 2021-08-17 | Otis Elevator Company | Elevator lintel door lock safety devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102753466A (zh) | 2012-10-24 |
| EP2516307B1 (de) | 2015-04-01 |
| US9272878B2 (en) | 2016-03-01 |
| ES2541812T3 (es) | 2015-07-24 |
| CO6511267A2 (es) | 2012-08-31 |
| US20120305334A1 (en) | 2012-12-06 |
| KR20120138739A (ko) | 2012-12-26 |
| KR101818270B1 (ko) | 2018-01-12 |
| WO2011076531A1 (de) | 2011-06-30 |
| CN102753466B (zh) | 2015-10-07 |
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