EP3230191A1 - Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtung - Google Patents
Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtungInfo
- Publication number
- EP3230191A1 EP3230191A1 EP15804826.4A EP15804826A EP3230191A1 EP 3230191 A1 EP3230191 A1 EP 3230191A1 EP 15804826 A EP15804826 A EP 15804826A EP 3230191 A1 EP3230191 A1 EP 3230191A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching contact
- unlocking device
- opening
- safety cover
- actuator
- 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
- 238000012423 maintenance Methods 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 10
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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
-
- 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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- 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
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/22—Operation of door or gate contacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
Definitions
- Unlocking device elevator installation with an unlocking device and a method for actuating an unlocking device
- the invention relates to an unlocking device, by means of which a
- Safety cover for opening a maintenance opening is releasable.
- the invention relates to an elevator system with this unlocking device and a method for actuating the unlocking device.
- An elevator system has several components, such as drive, guide rails, cabin guide shoes, brake systems or the like, which must be maintained at regular intervals to ensure proper and safe operation.
- a plurality of these components is arranged in a shaft of the elevator installation.
- a service technician For maintenance, a service technician must gain access to the shaft interior. This is usually done via a maintenance opening by a safety cover, such as a
- Shaft door or a panel is covered. Since a lift cage is moved in the interior of the shaft, access to the shaft interior is special
- Counterweight can not be moved to the bottom of the pit.
- access to the landing door lock is permitted. So only one condition has to be fulfilled in order to release the access.
- GB 1 498 039 A describes a locking of a shaft door of an elevator installation.
- the lock is disabled when two serially arranged switches are closed.
- the first switch can be closed by a fitter by means of a button.
- the second switch is closed when a
- Elevator car is located at a fixed position. Other conditions need not be met to disable the lock.
- WO2011 / 076531 AI a shaft access system is described, which should ensure safe access to the shaft.
- the shaft access system comprises a control unit which controls access to the shaft, in particular via a shaft door.
- the shaft access system can be operated in different modes, in particular in a normal operating mode and in a maintenance mode. The mode can only be changed by an authorized person, such as a service technician, by entering a code on the control unit. When changing the operating mode, one or more shaft doors are released for opening.
- the shaft door released for opening can not always be arranged in the immediate vicinity of the control unit. If, for example, access to the shaft pit is to be released via the bottom shaft door and the control unit is located in the area of the elevator control on the top floor of the building, the lowermost shaft door released for opening is unattended for the duration of the travel path between the control unit and precisely this lowermost floor door. For this period of time, therefore, an unauthorized person could gain access to the shaft via this floor door.
- an unlocking device with an actuator, by means of which a safety cover of a maintenance opening for opening can be released.
- the unlocking device has a safety circuit via which the actuator can be activated.
- the safety circuit comprises at least a first switching contact and a second switching contact, wherein the actuator when closed State of the first and second switch contact via the safety circuit with a power source is connectable.
- the first switching contact and the second switching contact in the safety circuit are arranged in series.
- Another aspect of the invention relates to an elevator device with said unlocking device and a method for operating the unlocking device. According to the invention, the first switching contact can be switched by means of a control unit.
- the unlocking device has two switching contacts, which must be operated in a coordinated manner to a
- the serial arrangement of the first and second switch contacts a simple and reliable arrangement for the activation of the actuator is achieved. It is advantageous to switch the switching contact by a programmable arithmetic unit or by the control unit. For example, before the switching of the first switch contact, the control unit can make an authorization request that can only be answered by a trained person, such as a maintenance technician.
- Authorization request may include entering a code, among other things.
- the probability of an unauthorized release to open the security cover can be further reduced.
- the control unit can query or check other conditions that are required for the release to open the
- Safety cover must be met. For example, it can be checked whether the elevator car is in a predetermined position or a predetermined area within the elevator shaft, whether a shaft lighting is switched on, if the elevator car is stationary and / or if there are people or material in the elevator car.
- maintenance opening is understood here to mean an opening which gives access to a component which is to be maintained.
- a maintenance opening so the shaft is made available on the building or cabin side.
- a maintenance opening shaft door openings, car door openings, cabin roof or cabin floor hatches, maintenance windows and the like are seen.
- a safety cover should prevent the access of the shaft to an unauthorized person.
- a safety cover can be designed differently and comprises both doors which cover, for example, a shaft door opening or a car door opening, or else simple panels with which a maintenance window or a hatch is covered.
- every second switching contact is arranged serially to the first switching contact.
- the plurality of second switching contacts may be arranged parallel to one another and / or serially.
- control unit As a control unit is here understood a unit that at least one
- Microprocessor has a memory and a memory.
- Control unit is thus designed to execute computer-aided programs and to control the first switching contact respectively to switch.
- the control unit may be designed, for example, as an elevator control, in addition to the one
- Elevator control intended basic tasks, such as the registration of car calls or the assignment and execution of trips the elevator car, including the first
- control unit can also be configured as a safety control unit, which monitors safety-relevant states of the elevator installation and returns the elevator installation to a safe condition upon the occurrence of an unsafe condition. This includes, for example, the monitoring of the shaft door conditions, wherein the elevator system is shut down when a shaft door is open and when no
- Elevator car on the shaft door assigned floor Elevator car on the shaft door assigned floor.
- control unit may also merely be provided to switch the first switching contact.
- control unit is decidedly assigned to the safety circuit.
- the first switching contact can be switched as a function of an operating mode of an elevator installation.
- the first switching contact is at a change switch from a normal operating mode in a maintenance mode of the elevator installation by means of the control unit in a closed state.
- the first switching contact can be switched only during an operating mode provided for a particular work.
- the switching contact for the release of a maintenance opening can be switched only when the elevator system is in a maintenance mode.
- this maintenance mode the range of motion of the elevator car can be reduced in order to ensure a safe access to the manhole for a service technician.
- precautions have been taken prior to release to open the safety cover to allow safe working in a potentially hazardous zone of the elevator installation.
- the second switching contact can be switched by manual manipulation.
- Actuating device such as understood as an operating knob, which is operatively connected to the second switching contact and via which the second switching contact is switchable.
- the switching contact can be due to a pressure or pressing movement of a hand of the service technician.
- the actuating device can also be realized as an electromechanical actuating mechanism, which is operated manually via a button, touch-sensitive screen or the like.
- an automatic malfunction can be excluded by a malfunctioning operating control unit.
- the actuator of the unlocking device can therefore only be activated by the confirming manual manipulation and the safety cover can be released accordingly for opening.
- the second switching contact is arranged in an operating area for opening the safety cover.
- the second switching contact is arranged in such a way that the service technician is already in one when switching the second switching contact Operating area for opening the safety cover is located. This ensures that the safety cover is only opened in the presence of the service technician, thus reducing the likelihood of incorrect manipulation by an unauthorized person.
- operating area an area in proximity to the safety cover, in particular an area sufficiently close to the safety cover, that a service technician residing in that area after opening the safety cover can easily open or at least view the safety cover ,
- the second switching contact may comprise a first two switching contact and a second second switching contact.
- both second switching contacts can be switched by manual manipulation. It is particularly advantageous that in this optional embodiment of the second switch contact both second switch contacts are arranged in the actuation area. In particular, both second switching contacts can be arranged so that when released for opening the
- Safety cover both hands of the service technician in a predefined position.
- the safety circuit can be configured so that a release for opening the safety cover only takes place when both second switching contacts are simultaneously switched manually. This ensures that both hands of the service technician actually at the predefined
- the actuator is designed as a permanent electro-magnet.
- the permanent-electro-magnet is arranged with respect to the safety cover that this holds in an inactive state, the safety cover in a maintenance opening covering position and in an active state the
- the permanent electromagnet is fixedly mounted on the elevator car and exerts on the safety cover of a magnetic attraction, which is opposite to a movement to open the safety cover.
- the magnetic attraction is to be dimensioned so that the Safety cover of the permanent electromagnet reliable in the
- the actuator is designed as an electromagnetic latch.
- electromagnetic latch comprises a lever arm, preferably with a hook which is adapted to engage in a holding device and a controllable electromagnet for actuating the lever arm.
- the holding device can
- the electromagnetic pawl is arranged with respect to the safety cover such that, in an inactive state in which the electromagnet is separated from the energy source, it holds the safety cover in a position covering the maintenance opening and in an active state in which the electromagnet with the energy source connected, the safety cover for an opening releases.
- the electromagnetic latch is for example firmly on the
- Elevator car mounted and engages by means of the lever arm in the at the
- Safety cover arranged holding a. By the engagement of the pawl in the holding device, a mechanical operative connection is created, which counteracts a movement for opening the safety cover.
- One aspect of the invention relates to an elevator installation with an elevator car which can be moved in an elevator shaft.
- the elevator installation comprises an unlocking device described above, a safety cover for covering a maintenance opening, an energy source for activating an actuator of
- Unlocking device a control unit for switching a first switching contact of the unlocking device and a manually operable actuating device for switching a second switching contact of the unlocking device.
- the maintenance opening is designed as a cabin roof hatch, cabin floor hatch, cabin maintenance window, cabin inlet opening or shaft opening opening.
- the safety cover is designed as a door, panel or the like. Another aspect of the invention relates to a method for actuating the unlocking device described above. The method comprises the following steps:
- the first switching contact is closed by the control unit. Furthermore, the first switching contact is closed as a function of an operating mode of an elevator installation by the control unit, in particular when changing from a normal operating mode into a maintenance mode.
- the second switching contact is closed as a function of an operating mode of an elevator installation by the control unit, in particular when changing from a normal operating mode into a maintenance mode.
- FIG. 1 shows an inventive unlocking device with an actuator in a schematic circuit diagram.
- Fig. 2 shows an exemplary arrangement of a erfindungs insomniassig
- Unlocking device for releasing to open a
- Fig. 3 shows an inventive unlocking device with several
- FIG. 4 shows an elevator installation with an unlocking device for release for opening a plurality of safety covers
- the unlocking device 1 comprises a safety circuit 5 with at least two switching contacts 6, 7 and an actuator 2.
- the two switching contacts 6, 7 are connected to each other in series.
- the two switching contacts 6, 7 can assume an open or a closed state.
- the actuator 2 can be connected via the safety circuit 5 to a power source V, wherein the actuator 2 is only supplied with energy, if both
- the first switching contact 6 is switchable by means of a control unit 20.
- the control unit 20 is designed to be the first one due to a change of an operating mode
- Switching contacts 6 to switch.
- the first switching contact 6 is in an open state during a normal operating mode.
- the second switching contact 7 is manually switchable.
- the second switching contact 7 is connected, for example, with a push button 21. In an original position, the second switching contact 7 is in an open state. By manual operation of the push button 21, the second switching contact 7 can be brought into its closed state.
- Fig. 2 shows an embodiment of the unlocking device 1 for a release for opening a safety cover 30 of a maintenance window 40th Das
- Maintenance window 40 is arranged here in a side wall of an elevator car 12.
- the maintenance window 40 provides access when the safety cover 30 is open
- Elevator components free, from the interior of the elevator car 12 for
- the safety circuit 5 of the unlocking device 1 connects in the closed state of the two switching contacts 6, 7, the actuator 2 with a power source V.
- the operation of the first switching contact 6 via the control unit 20 in a change from a normal operating mode of an elevator system in a maintenance mode of the elevator system.
- the operation button 21 is arranged here in an actuating region 22 for opening the safety cover 30.
- the actuator 2 is designed here as an electromagnetic latch and has at least one lever arm 2.1, which engages in a gripping position in a holding device 30.1, and an electromagnet.
- the holding device 30.1 is fixed to the
- Safety cover 30 is connected and the actuator 2 is preferably mounted on a not visible to a cabin occupant area of the elevator car 12, for example, behind an inner lining of the elevator car 12, mounted.
- the lever arm 2.1 is above the electromagnet from the engaged position (shown in phantom) in one
- the maintenance technician wants to undertake maintenance work through the maintenance window 40, he brings the elevator installation 10 into a maintenance mode in a first step.
- a code at an input interface to the control unit 20.
- the code can be typed in via keys of the input interface or the like.
- the input interface comprises only a single button with which the elevator installation 10 can be brought into a maintenance mode by a single tap. Due to the mode change, the first switching contact 6 is closed.
- FIG. 3 shows a second embodiment of the unlocking device 100 for a plurality of maintenance openings. Accordingly, in this second
- the unlocking device 100 via a plurality of actuators 200, 201, 202 and a plurality of associated manually operable switch contacts 700, 701, 702.
- actuation here several associated actuation buttons 210, 211, 212 proposed.
- the person skilled in the art can also realize a different number of actuators 200, 201, 202, depending on how many maintenance openings are provided in the elevator installation.
- Structure and functionality of the unlocking device 100 according to FIG. 3 is similar in many aspects to that of the unlocking device 1 according to FIG. 1.
- the unlocking device 100 of the second exemplary embodiment will be described in comparison with the unlocking device 1 of the first exemplary embodiment.
- the unlocking device 100 comprises a safety circuit 500 having a first switching contact 600 and a plurality of second switching contacts 700, 701, 702.
- the first switching contact 600 can be switched via a control unit 20.
- the mode of operation and control of the first switching contact 600 corresponds to that of the contact contact 6 from FIG. 1.
- the second switching contacts 700, 701, 702, associated actuators 200, 201, 202 and actuation knobs 210, 211, 212 are made of identical components as the second switching contact 7, the actuator 2 and the operating knob 21 of FIG. 1 can be realized.
- the functionality of these components corresponds to that of the corresponding components of FIG. 1.
- the individual second Druckkotakte 700, 701, 702 are arranged parallel to each other in the safety circuit 500, as well as the individual actuators 200, 201, 202. With respect to the first switching contact 600, however Each associated second switching contacts 700 and actuators 200 are arranged serially. An actuator 201 is thus activated in a closed state of the first
- FIG. 4 shows an elevator installation 10 with an unlocking device 100 of the second exemplary embodiment.
- the elevator installation 10 comprises an elevator cage 12 which is suspended at a first end of a suspension element 11 in a suspension ratio of 1: 1.
- the support means 11 passes over a deflection roller 17 and a traction sheave 15.
- a counterweight 14 is suspended, which compensates the weight force of the elevator car 12.
- the traction sheave 15 is driven by a drive 16 and transmits a torque of the drive 16 to the support means 11, wherein the elevator car 12 in the vertical direction in a shaft 13 is movable and several floors 18.1, 18.2, 18 n operated.
- the unlocking device 100 comprises a power source V, a first one
- Switching contact 600 which is switched by a control unit 20 and a plurality
- Subsections 300.0 to 300.4 of the unlocking device 100 which in their total correspond to the subregion 300 of FIG. Notwithstanding FIG. 3, in which three actuators are provided, the unlocking device 100 in FIG. 4 comprises five actuators for the release for opening an associated safety cover 30 to 34,.
- the control unit 20 is designed in this embodiment as an elevator control that controls at least the drive 20 and switches the first switching contact 600 due to a change of the operating mode, for example, from a normal operating mode to a maintenance mode, from an open state to a closed state.
- the control unit 20 can also be designed as a safety control unit which monitors an elevator installation or as a control unit assigned to the unlocking device 100.
- the elevator installation 10 in this example shows five maintenance openings, namely a shaft access opening 41 on the lowest floor 18.1, a car access opening 44, a maintenance window 40, a cabin roof hatch 43 and a cabin floor hatch 42. These maintenance openings are covered by corresponding safety covers 30 to 34. In the operating area of each of these safety covers is a
- Subarea 300.0 to 300.4 of the unlocking 100 arranged.
- Each of these subregions includes an actuator to release the respective safety cover 30 to 34 for opening, a second switch contact, and an operation button for switching the respective second switching contact, in particular in order to bring the switching contact in a closed state.
- Elevator installation 12 analogous to the first embodiment by an input to the control unit 20 in a maintenance mode. Due to the mode change, the first switching contact 6 is brought into a closed state.
- Safety cover 31 and the shaft door 31 releases to open.
- the service technician can gain access to further areas of the manhole 13 via the service openings 44, 40, 43, 42.
- the structure of the safety circuits 5, 500 shown in Figs. 1 to 4 is purely schematic in nature and is only illustrative of the logical
- the invention should not be limited to a derivable concrete cable connection of the respective actuators 2, 200, 201, 202 or switch contacts 6, 7, 600, 700, 701, 702 to the power source V.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14197474 | 2014-12-11 | ||
| PCT/EP2015/078769 WO2016091777A1 (de) | 2014-12-11 | 2015-12-07 | Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3230191A1 true EP3230191A1 (de) | 2017-10-18 |
| EP3230191B1 EP3230191B1 (de) | 2020-03-04 |
Family
ID=52146106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15804826.4A Active EP3230191B1 (de) | 2014-12-11 | 2015-12-07 | Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10549951B2 (de) |
| EP (1) | EP3230191B1 (de) |
| CN (1) | CN107108152B (de) |
| AU (1) | AU2015359627B9 (de) |
| WO (1) | WO2016091777A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2017009679A1 (en) * | 2015-07-13 | 2017-01-19 | Otis Elevator Company | Deterrent device inhibition key |
| EP3484804A1 (de) * | 2016-07-15 | 2019-05-22 | KONE Corporation | Aufzugsanordnung |
| ES2921228T3 (es) | 2017-07-12 | 2022-08-22 | Otis Elevator Co | Dispositivo de bloqueo |
| WO2019097105A1 (en) * | 2017-11-15 | 2019-05-23 | Kone Corporation | Elevator arrangement |
| EP3546412B1 (de) | 2018-03-27 | 2024-09-18 | Otis Elevator Company | Aufzugkabinendeckenzugangssystem |
| WO2019219406A1 (de) * | 2018-05-17 | 2019-11-21 | Inventio Ag | Inspektionssteuerungssystem einer aufzugsanlage sowie verfahren zum umschalten einer aufzugsanlage zwischen einem normal- und einem inspektionsbetrieb |
| EP4077188B1 (de) * | 2019-12-19 | 2024-05-08 | Inventio Ag | Steuervorrichtung zum steuern einer aufzugsanlage in einem inspektionsbetrieb und aufzugsanlage |
| EP3872021B1 (de) * | 2020-02-28 | 2025-08-13 | KONE Corporation | System zur steuerung des dienstzugangs in verbindung mit einer aufzugskabine |
| CN117355474A (zh) * | 2021-04-30 | 2024-01-05 | 因温特奥股份公司 | 电梯设备 |
| US12515919B2 (en) * | 2022-09-11 | 2026-01-06 | Israel TIETEL | Elevator and door lock therefor and method for unlocking thereof |
| EP4686688A1 (de) * | 2024-07-31 | 2026-02-04 | Otis Elevator Company | Aufzugskabine, aufzugssystem und verfahren zum zugriff auf einen raum in einem schacht eines aufzugssystems |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498039A (en) * | 1974-03-08 | 1978-01-18 | Kruger S | Lift systems and landing door lock auxiliary release mechanisms therefor |
| CA2166841C (en) * | 1995-01-31 | 2006-08-22 | Heinrich Foelix | Temporary working space protection |
| US5806633A (en) * | 1995-12-22 | 1998-09-15 | Macuga; Henry J. | Elevator safety system incorporating false pit |
| US6223861B1 (en) * | 1999-08-30 | 2001-05-01 | Otis Elevator Company | Elevator hoistway access safety |
| PE20040794A1 (es) * | 2003-03-05 | 2004-12-22 | Inventio Ag | Prevencion de acceso no autorizado a cajas de ascensor |
| WO2011076531A1 (de) | 2009-12-21 | 2011-06-30 | Inventio Ag | Schachtzugangsfreigabevorrichtung einer aufzugsanlage |
| WO2016091777A1 (de) * | 2014-12-11 | 2016-06-16 | Inventio Ag | Entriegelungsvorrichtung, aufzugsanlage mit einer entriegelungsvorrichtung und ein verfahren zum betätigen einer entriegelungsvorrichtung |
-
2015
- 2015-12-07 WO PCT/EP2015/078769 patent/WO2016091777A1/de not_active Ceased
- 2015-12-07 EP EP15804826.4A patent/EP3230191B1/de active Active
- 2015-12-07 CN CN201580067658.7A patent/CN107108152B/zh not_active Expired - Fee Related
- 2015-12-07 AU AU2015359627A patent/AU2015359627B9/en not_active Ceased
- 2015-12-07 US US15/533,729 patent/US10549951B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP3230191B1 (de) | 2020-03-04 |
| AU2015359627B2 (en) | 2018-12-06 |
| CN107108152B (zh) | 2019-04-12 |
| AU2015359627A1 (en) | 2017-07-06 |
| AU2015359627B9 (en) | 2018-12-20 |
| US10549951B2 (en) | 2020-02-04 |
| WO2016091777A1 (de) | 2016-06-16 |
| CN107108152A (zh) | 2017-08-29 |
| US20170320704A1 (en) | 2017-11-09 |
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