EP3947230A2 - Measuring tape arrangement for use in an elevator system and method for installing and operating an elevator system - Google Patents
Measuring tape arrangement for use in an elevator system and method for installing and operating an elevator systemInfo
- Publication number
- EP3947230A2 EP3947230A2 EP20710164.3A EP20710164A EP3947230A2 EP 3947230 A2 EP3947230 A2 EP 3947230A2 EP 20710164 A EP20710164 A EP 20710164A EP 3947230 A2 EP3947230 A2 EP 3947230A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- measuring tape
- holding structure
- travel path
- elevator
- along
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 description 4
- 238000010073 coating (rubber) Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
Definitions
- Measuring tape arrangement for use in an elevator system
- the invention relates to a measuring tape arrangement for use in an elevator system for determining a position of an elevator car along a travel path according to the preamble of claim 1 and to a method for installing and operating an elevator system in an elevator shaft of a building in its construction phase with the features of the claim 14th
- Elevator systems have at least one elevator car, which can be moved within an elevator shaft along a vertical travel path between different levels or floors.
- the elevator car is moved using a drive and the drive is controlled by a controller.
- the control In order to be able to move the elevator car precisely and, for example, to be able to stop its floor flush with a floor of a floor, the control must have information about the current position of the elevator car.
- EP 1 412 274 B1 describes an elevator installation with a measuring system for determining the absolute car position.
- a tape is arranged along the travel path of the elevator car. Varying location information is stored on this tape.
- the tape can be designed as a magnetic tape on which the location information is stored as locally varying magnetizations.
- a readout device can be provided on the elevator car, with the aid of which this location information can be read out. The location information can then be evaluated and forwarded to the control of the elevator system, so that the control is based on this location information on the current position of the
- Elevator cabin can draw conclusions relative to the tape.
- the tape is therefore referred to herein as Measuring tape.
- the measuring tape arrangement has a measuring tape to be arranged along the travel path, location information varying along the measuring tape being stored on the basis of which a current position relative to the measuring tape can be determined. It also has a holding structure to be arranged at an upper end of the travel path, on which the measuring tape is fastened at a fixed position relative to the travel path by means of a fastening device.
- this object is achieved with a measuring tape arrangement with the features of claim 1 and a method with the features of claim 14.
- the measuring tape arrangement according to the invention for use in an elevator system for determining a position of an elevator car along a travel path has a one-piece measuring tape to be arranged along the travel path, with location information varying along the measuring tape being stored on the basis of which a current position relative to the measuring tape can be determined. It also has a holding structure to be arranged at one end of the travel path, on which the measuring tape is in a fixed position relative to the travel path by means of a fastening device is attached. The holding structure is provided in particular to be arranged at an upper end of the travel path. According to the invention, a pick-up device for picking up a supply of measuring tape is arranged on the holding structure, a measuring tape piece of the measuring tape supply being provided to be arranged along the extension piece when the travel path is extended by an extension piece.
- Elevator system installed and operated as soon as some floors of the building including the elevator shaft of the elevator system on these floors are completed. This means that the elevator system can already be used during the construction phase of the building for the vertical transport of people and / or material. This allows especially for
- Lifts intended for transport tasks during the construction phase - for example those that are attached to the outside of the building - can be wholly or partially eliminated.
- the elevator system is therefore first installed in the lowest section of the elevator shaft, for example, guide rails for guiding the elevator car and possibly a counterweight are fixed to the shaft walls, thus making a bottom piece of travel path available for the elevator car.
- a measuring tape with varying location information is also arranged along the lowermost piece of travel path, on the basis of which a current position of the elevator car can be determined.
- the elevator system can also be installed in said second section of the elevator shaft and then operated.
- guide rails in second section of the elevator shaft are fixed.
- the travel path of the elevator car is thus lengthened upwards by an extension piece.
- the measuring tape is also arranged along the extension piece. This described extension of the travel is repeated until the building is completed
- Elevator shaft has reached its final height.
- the described installation of the elevator system can, for example, be carried out using a method according to the applicant's international patent application, which was not previously published, with the
- the measuring tape of the measuring tape arrangement is made in one piece, i.e. consists of only one piece, it must have a length from the beginning with which the final height of the elevator shaft and thus the final length of the travel path of the elevator car can be covered. As long as the traverse path does not extend over its final length, there is a measuring tape supply of measuring tape, which in the following
- Extension of the travel is required.
- a piece of measuring tape from the supply of measuring tape is arranged along an extension piece of the travel path; the supply of measuring tape is therefore smaller with each extension of the travel distance.
- a receiving device for receiving the described supply of measuring tape on the holding structure enables the supply of measuring tape to be supplied quickly and easily after the measuring tape has been arranged along the current travel path and during the subsequent operation of the elevator system
- the holding structure When the travel path is extended upwards, the holding structure must also be shifted upwards, which is usually done by a fitter. Due to the arrangement of the holding device on the holding structure, the fitter also has direct access to the supply of measuring tape in this pall, which also enables quick and easy installation. If the measuring tape is removed from a container, for example a cardboard box, the storage of the measuring tape
- Measuring tape supply on the holding structure has the additional advantage that only a small part of the measuring tape has to be removed from the container, a very large part can thus remain in the container and is thus protected from damage.
- the location information varying along the measuring tape can in particular be implemented as locally varying magnetizations of a magnetic tape which are arranged in what is known as a pseudo-random code. By detecting the pseudo-random code, conclusions can be drawn clearly about the position of the elevator car relative to the measuring tape.
- the information can also be designed as optical information, for example comparable to a barcode or a so-called QR code.
- the measuring tape hangs down over the fastening device on the support structure.
- the holding structure and the fastening device are designed as a common component. It can be guided or held at its end opposite the fastening device in order to prevent the said end from swinging.
- a tensioning device for example in the form of a tensioning weight, is arranged at said end in order to keep the measuring tape under a certain tension.
- the holding structure is designed in particular as a type of rail which is fixed in the elevator shaft and is thus arranged in a fixed or stationary position relative to the travel path.
- the receiving device for receiving the supply of measuring tape is, for example, screwed, riveted, welded or glued onto the holding structure. It is also possible that the holding structure and the receiving device are designed as a common component.
- the receiving device has a support surface which is designed and arranged so that the measuring tape supply is on the
- Support surface downwards and horizontally on the support structure. It also has an end surface which is designed and arranged in such a way that a supply of measuring tape supported on the support surface is at least partially arranged between the holding structure and the end surface. This enables the supply of measuring tape to be held securely while at the same time the construction of the holding device is simple and therefore inexpensive.
- the support surface is aligned in particular horizontally and the end surface in particular vertically.
- the end surface is in particular directly connected to the support surface.
- a maximum extension of the bearing surface along the The holding structure is in particular less than a maximum extension of the
- the receiving device is in particular arranged on the holding structure in such a way that the end surface is arranged between the holding structure and the shaft wall of the elevator shaft, on which the holding structure is at least indirectly fixed.
- the receiving device has two inputs
- opposite side cheeks which are designed and arranged so that a horizontal displacement of the measuring tape supply is limited along the holding structure. This enables the supply of measuring tape to be picked up particularly reliably.
- the side cheeks prevent the measuring tape supply from being able to be shifted horizontally along the holding structure without restriction, which leads to a departure from the
- the side cheeks in particular laterally adjoin the end surface and are in particular oriented at a right angle to the end surface. They extend in particular from the end surface in the direction of the holding structure and are in particular only arranged above the holding structure.
- At least one side cheek especially both side cheeks, each have a support surface opposite the end surface.
- the support surfaces are aligned in particular parallel to the end surface. You are particularly in
- the support surface, the end surface and the side cheeks with the support surfaces are in particular arranged so that a container holding the supply of measuring tape, in particular a cardboard box, can be received with an exact fit, that is, can be held very securely.
- At least one side cheek in particular both side cheeks of the receiving device, has a tab over which the
- the receiving device can be fixed to the holding structure. This is a particularly simple and thus inexpensive connection between the receiving device and the Holding structure possible.
- the tab has, in particular, a through hole through which the tab and thus the receiving device can be screwed to the holding structure.
- the receiving device is made in one piece. It can thus be produced particularly inexpensively.
- the receiving device is made in particular from a metal sheet from which a corresponding contour is punched out, which is then brought into the desired shape by bending or folding.
- the fastening device is designed and arranged such that the measuring tape is clamped and thus held.
- This enables the measuring tape to be fastened to the holding structure in a simple and cost-effective manner, which in addition is easy to detach again and does not cause any damage to the piece of measuring tape used for fastening. Damage to the piece of measuring tape used for fastening must be prevented, in particular, since this piece of measuring tape is also arranged in the extension piece when the travel path is extended and its location information is used to determine the current position of the elevator car.
- the fastening device has a clamping plate which can be fixed to the holding structure in such a way that the measuring tape is clamped between the clamping plate and the holding structure. This particularly effectively enables the measuring tape to be fastened to the holding structure without damaging the measuring tape.
- the clamping plate is screwed directly or indirectly to the holding structure and the measuring tape is clamped between the clamping plate and the holding structure.
- Measuring tape can in particular also be clamped firmly between the clamping plate and an intermediate plate arranged between the clamping plate and the holding structure.
- the measuring tape is only clamped indirectly between the clamping plate and the holding structure.
- the intermediate plate is also screwed onto the holding structure.
- the clamping plate and / or the intermediate plate in particular have a rubber coating. This prevents damage to the measuring tape from the
- the clamping plate has a bevel on its upper and / or lower edge pointing away from the holding structure. So be
- the folds have, for example, an angle between 45 and 80 ° with respect to an area of the clamping plate on which the measuring tape rests.
- the holding structure is provided on a
- the support structure can be fixed guide rail of the elevator system. This enables the holding structure to be fixed in a particularly simple manner, in particular without the need to drill holes into a shaft wall of the elevator shaft.
- the support structure can be fixed to be fixed guide rail of the elevator system.
- the receiving device is arranged in particular between the holding structure and a shaft wall on which said
- Guide rail is fixed at least indirectly.
- the described measuring tape arrangements can be used particularly advantageously in a position determination system for use in an elevator installation for determining a position of an elevator car along a travel path.
- a position determination system can be used particularly advantageously in an elevator installation.
- the measuring tape is fastened to the holding structure by means of the fastening device and
- a measuring tape supply is arranged in the receiving device
- a measuring tape piece of the measuring tape supply is arranged along the extension piece,
- the measuring tape is fastened to the holding structure by means of the fastening device
- the extension piece After the extension of the travel path, the extension piece forms an upper travel path piece.
- steps are carried out in particular in the specified order, but can also be carried out in a different order.
- further steps such as, for example, fixing guide rails in the elevator shaft, are carried out.
- an elevator car of the elevator installation Before the extension of the travel path, in particular an elevator car of the elevator installation is displaced along the lower portion of the travel path, the position of the elevator car being determined with the aid of the aforementioned measuring tape arrangement.
- Measuring tape arrangement is determined.
- the clamping is only released to release the measuring tape from the holding structure and the fastening device is pushed up along the measuring tape without removing the measuring tape from the fastening device. This can effectively prevent the measuring tape from twisting when the travel path is extended.
- Loosening of the measuring tape from the holding structure is accordingly understood to mean that the holding structure is released after loosening can be shifted relative to the measuring tape.
- the extension of the travel can be repeated. In particular, it is repeated until the travel path extends over the entire elevator shaft of the completed building.
- the holding structure described can be replaced by a holding structure that is intended for elevator systems whose travel path no longer changes after installation and initial start-up, for example by a holding device according to the applicant's international patent application with the application number PCT / EP2019 / 051045.
- the measuring tape When using the measuring tape arrangement according to the invention and when carrying out the method according to the invention, the measuring tape is installed from bottom to top. One end of the measuring tape is therefore arranged at the lower end of the travel path and thus the elevator shaft and then the measuring tape is guided upwards.
- the measuring tape supply is located at the upper end of the travel path for the holding structure.
- the elevator car is slowly moved to all floors to be served and the position of the car on the floors is recorded and saved. After the above-mentioned positions have been saved, the elevator car can automatically move to the floors.
- the described installation of the measuring tape from bottom to top has the advantage that a learning trip carried out in a piece of travel does not have to be repeated after the travel path has been lengthened, since in this piece of travel the assignment between the
- Measuring tape would be shifted upwards when the travel distance was extended.
- Fig. 2 is a perspective view of a support structure with a
- FIG. 3 shows the holding structure with the receiving device and fastening device from FIG. 2 in a view from above
- FIGS. 2 and 3 shows the fastening device from FIGS. 2 and 3 in an enlarged view.
- an elevator installation 10 has an elevator car 12 which can be displaced vertically along a travel path 16 within an elevator shaft 14.
- the elevator car 12 and a counterweight 20 are for this purpose via a
- Belt arrangement 22 connected to one another, the belt arrangement 22 being guided over a drive pulley 26 driven by a drive machine 24 and a deflection pulley 28. Operation of the prime mover 24 is controlled by a controller 30.
- the drive machine 24, the driven traction sheave 26, the deflection sheave 28 and the controller 30 are arranged on a holding platform 25. During its movement along the travel path 16, the elevator car 12 is supported by guide shoes
- the elevator shaft 14 is arranged in a building 18 which is still in its construction phase. Construction is still in progress above the section of building 18 shown.
- a measuring tape 36 for example in the form of a magnetic tape, is attached in the elevator shaft 14.
- the measuring tape 36 extends essentially along the entire travel path 16 to be traversed by the elevator car 12 and preferably parallel to it.
- the measuring tape 36 can be on or parallel run to one of the guide rails 34.
- a read-out device 38 is provided on the elevator car 12, with the aid of which the varying location information stored in the measuring tape 36 can be read out.
- the varying location information is shown as locally varying magnetizations in FIG.
- Magnetizations can be read out with the aid of a magnetic read head 40 of the readout device 38 and a readout sensor system 42 designed for this purpose.
- the readout device 38 While the elevator car 12 moves through the elevator shaft 14, the readout device 38, which is fastened by a fastening block 44, for example, to a roof of the elevator car 12, is displaced along the measuring tape 36, guided by guide rollers 46.
- the location information read out by the readout device 38 can be forwarded to an evaluation device 48, where it is evaluated or at least preprocessed in order to then be transmitted to the controller 30 of the elevator system 10 via a cable connection 50, or alternatively wirelessly.
- the controller 30 can then suitably control the drive machine 24 in order to be able to move the elevator car 12 precisely to a desired position.
- the measuring tape 36 is fastened to a holding structure 52 via a fastening device (66 in FIGS. 2 to 4) not shown in FIG. 1.
- the holding structure 52 is fixed to the guide rail 34 at an upper end 53 of the travel path 16 and is thus arranged in a stationary or stationary manner within the elevator shaft 14.
- a measuring tape supply (80 in FIG. 2), not shown in FIG. 1, is also arranged on the holding structure 52.
- the measuring tape supply comprises at least one measuring tape piece (82 in FIG. 2) which is used to extend the travel path 16.
- a lower end of the measuring tape 36 can be fastened in a lower region of the elevator shaft 14, for example on the floor of the elevator shaft 14, or it can be provided with a tension weight (not shown).
- the elevator system 10 is initially only in a lowermost section 54 of the
- Elevator shaft 14 installed and operated.
- the elevator car 12 is thus displaced along the travel path 16, which can also be referred to as a lower travel path section.
- the position of the elevator car 12 is determined on the basis of the location information from the measuring tape 36.
- Be arranged protective platform which protects the lowest section of the elevator shaft from falling objects.
- the elevator system 10 is also installed in the second section 56 of the elevator shaft 14.
- the holding platform 25 with the drive machine 24, driven traction sheave 26, deflection sheave 28 and the controller 30 are first shifted upwards by means of a construction crane (not shown) and fixed in the elevator shaft 14.
- all the necessary components of the elevator system 10, for example guide rails 34, are also mounted in the second section 56 of the elevator shaft 14.
- the travel path 16 of the elevator car 12 is thus extended upwards by an extension piece 58.
- the measuring tape 36 is also arranged along the extension piece 58.
- the measuring tape 36 is first detached from the holding structure 52 and then a measuring tape piece (82 in FIG. 2) of the measuring tape supply (80 in FIG. 2) is arranged along the extension piece 58.
- the holding structure 52 is arranged on an upper end 60 of the extension piece 58 and the measuring tape 36 is fastened to the holding structure 52 by means of the fastening device (66 in FIGS. 2 and 3).
- the elevator installation 10 can also be put into operation in the second section 56. This allows the elevator car 12 along the lower
- Traversing path piece 16 and the extension piece 58 are shifted.
- the position of the The elevator car 12 is also determined on the basis of the location information from the measuring tape 36.
- the holding structure 52 is shown with all of the parts arranged on it.
- the holding structure 52 is designed as an elongated rail which is fixed to a guide rail 34 by means of a clamping device 62.
- the holding structure 52 is arranged such that it rests against a rail foot 64 of the guide rail 34, that is to say is arranged between the guide rail 34 and a shaft wall of the elevator shaft 14 on which the guide rail 34 is fixed.
- a fastening device 66 shown enlarged in FIG.
- the fastening device 66 consists of an intermediate plate 68 fixed to the holding structure 52 by means of two screw-nut connections 70 and a clamping plate 74 fixed to the holding structure 52 by means of four further screw-nut connections 72. This runs between the intermediate plate 68 and the clamping plate 74 Measuring tape 36, which is thus clamped between the clamping plate 74 and the intermediate plate 68. Since the intermediate plate 68 at the
- the clamping plate 74 has, on its upper and lower edge, a bevel 76 pointing away from the holding structure 52.
- the intermediate plate 68 and the clamping plate 74 can be provided with a rubber coating at least on their side facing the measuring tape 36.
- a receiving device 78 for receiving a measuring tape supply 80 is also arranged on the holding structure 52.
- the measuring tape supply 80 comprises a measuring tape piece 82, which is arranged along the extension piece 58 when the travel path 16 is extended.
- the receiving device 78 is made in one piece. It has a horizontally running support surface 84 which is arranged below the holding structure 52. The measuring tape supply 80 can thus be supported downward on the support surface 84 and horizontally in the direction of the guide rail 34 on the holding structure 52.
- the receiving device 78 also has an end surface 86 which runs at a right angle to the support surface 84 and is arranged mainly parallel and at a certain distance from the holding structure 52. It protrudes over the holding structure 52 upwards. A maximum extension of the end surface 86 along the
- the holding structure 52 in the area of the support surface 84 is less than a maximum extension of the end surface 86 above the holding structure 52.
- the measuring tape supply 80 supported on the support surface 84 is thus partially arranged between the holding structure 52 and the end surface 86.
- the receiving device 78 is closed laterally by two opposing side walls 88 which are connected to the end face 86 and run at right angles thereto and which limit a horizontal displacement of the measuring tape supply 80 along the holding structure 52.
- the two side cheeks 88 also each have a support surface 90 opposite the end surface 86, which also results in a right angle between the support surface 90 and side cheek 88.
- the two side cheeks 88 also each have a tab 94 via which the
- the tabs 94 each have a through hole, not shown, through which a screw can be inserted for screwing onto the holding structure 52.
- Support surfaces 90 are arranged in such a way that a container holding the measuring tape supply 80, in particular a cardboard box 92, can be received with an accurate fit.
- Collecting device 78 together form a measuring tape arrangement 96
- Measuring tape arrangement 96, readout device 38 and evaluation device 48 together form a position determination system 98 (see FIG. 1).
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19165540 | 2019-03-27 | ||
PCT/EP2020/056939 WO2020193235A2 (en) | 2019-03-27 | 2020-03-13 | Measuring tape arrangement for use in an elevator system and method for installing and operating an elevator system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3947230A2 true EP3947230A2 (en) | 2022-02-09 |
EP3947230B1 EP3947230B1 (en) | 2023-05-03 |
Family
ID=65995557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20710164.3A Active EP3947230B1 (en) | 2019-03-27 | 2020-03-13 | Measuring tape assembly for use in a lift assembly and method for installing and operating a lift assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US11905140B2 (en) |
EP (1) | EP3947230B1 (en) |
CN (1) | CN113544071B (en) |
WO (1) | WO2020193235A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210032077A1 (en) * | 2018-04-24 | 2021-02-04 | Inventio Ag | Position-determining system and method for ascertaining a car position of an elevator car |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033586A (en) | 1990-07-11 | 1991-07-23 | Otis Elevator Company | Construction elevator assembly |
DE4401977A1 (en) * | 1994-01-25 | 1995-07-27 | Weber Steuerungstechnik Gmbh | Determining position of lift cabin |
CN2227107Y (en) * | 1994-11-02 | 1996-05-15 | 广州市第四建筑工程公司工程机械厂 | Elevator with rope storage counter-dragging whole prevention #-shaped frame |
US5925859A (en) * | 1997-08-06 | 1999-07-20 | Interface Products Co., Inc. | Landing control system |
JP2000313577A (en) * | 1999-04-30 | 2000-11-14 | Hitachi Building Systems Co Ltd | Replacing method for punched steel tape for elevator floor selection machine |
US6533077B1 (en) * | 2000-07-14 | 2003-03-18 | Otis Elevator Company | CSB (installation) dispensing tool and multi-belt hoisting clamp |
TW575518B (en) * | 2001-07-31 | 2004-02-11 | Inventio Ag | Lift installation with a measuring system for determining absolute cage position |
SG120250A1 (en) * | 2004-08-12 | 2006-03-28 | Inventio Ag | Elevator installation with a car and a device for determining a car position and method for operating such an elevator installation |
SG131070A1 (en) * | 2005-10-04 | 2007-04-26 | Inventio Ag | Method of mounting a support means of a lift cage to a lift cage and to a lift shaft |
FI118382B (en) * | 2006-06-13 | 2007-10-31 | Kone Corp | Elevator system |
FI118995B (en) * | 2006-12-27 | 2008-06-13 | Kone Corp | Arrangement for feeding the elevator speed limiter rope |
FI121666B (en) * | 2009-05-28 | 2011-02-28 | Kone Corp | A method of installing a lift hoisting rope |
ES2536323T3 (en) | 2012-04-23 | 2015-05-22 | Campagnolo S.R.L. | Handlebar horn electric drive device for a bicycle gearshift |
EP2657171B1 (en) * | 2012-04-26 | 2014-06-11 | Cedes AG | Lift facility, marking device and measuring device |
DE102012111622A1 (en) * | 2012-11-29 | 2014-06-05 | Thyssenkrupp Elevator Ag | Elevator installation for a building under construction |
US9352934B1 (en) * | 2013-03-13 | 2016-05-31 | Thyssenkrupp Elevator Corporation | Elevator positioning system and method |
FI125266B (en) * | 2013-06-07 | 2015-08-14 | Kone Oyj | Procedure for lift installation and work tools used in the procedure |
EP2842898B1 (en) * | 2013-08-29 | 2015-12-30 | Cedes AG | Connecting device for measuring tapes in elevator devices |
EP3231753B1 (en) * | 2016-04-13 | 2018-09-12 | Cedes AG | Elevator with code section marker |
DE102017005782A1 (en) * | 2017-06-20 | 2018-12-20 | Thyssenkrupp Ag | Measuring tape holder for an elevator system |
US11548759B2 (en) * | 2017-06-27 | 2023-01-10 | Inventio Ag | Position determining system and method for determining a car position of an elevator car |
SG11202001309YA (en) | 2017-10-06 | 2020-03-30 | Inventio Ag | Method for constructing an elevator system having increasing usable lifting height |
WO2019141726A1 (en) | 2018-01-18 | 2019-07-25 | Inventio Ag | Measuring tape arrangement for use in a lift for determining the absolute position of a lift car along a path of travel |
EP3878788A1 (en) * | 2020-03-09 | 2021-09-15 | Otis Elevator Company | Elevator safety systems |
-
2020
- 2020-03-13 CN CN202080019780.8A patent/CN113544071B/en active Active
- 2020-03-13 US US17/310,736 patent/US11905140B2/en active Active
- 2020-03-13 EP EP20710164.3A patent/EP3947230B1/en active Active
- 2020-03-13 WO PCT/EP2020/056939 patent/WO2020193235A2/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020193235A2 (en) | 2020-10-01 |
US11905140B2 (en) | 2024-02-20 |
EP3947230B1 (en) | 2023-05-03 |
CN113544071A (en) | 2021-10-22 |
US20220162039A1 (en) | 2022-05-26 |
WO2020193235A3 (en) | 2020-12-17 |
CN113544071B (en) | 2023-05-23 |
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