WO1998052859A1 - Ascenseur sans cage - Google Patents

Ascenseur sans cage Download PDF

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Publication number
WO1998052859A1
WO1998052859A1 PCT/DE1998/001363 DE9801363W WO9852859A1 WO 1998052859 A1 WO1998052859 A1 WO 1998052859A1 DE 9801363 W DE9801363 W DE 9801363W WO 9852859 A1 WO9852859 A1 WO 9852859A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
sensor
elevator according
radar
pulpit
Prior art date
Application number
PCT/DE1998/001363
Other languages
German (de)
English (en)
Inventor
Frank W. Thielow
Siegfried Hillenbrand
Original Assignee
Thielow Frank W
Siegfried Hillenbrand
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thielow Frank W, Siegfried Hillenbrand filed Critical Thielow Frank W
Priority to AU89382/98A priority Critical patent/AU8938298A/en
Priority to EP98933551A priority patent/EP0981489A1/fr
Publication of WO1998052859A1 publication Critical patent/WO1998052859A1/fr

Links

Classifications

    • 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
    • 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

Definitions

  • the invention relates to an elevator according to the preamble of claim 1.
  • the invention has the task of proposing an elevator, the sensor system of which ensures high operational reliability.
  • At least one radar sensor with a transmitter and a receiver for electromagnetic radiation in the radar and / or microwave range is provided in an elevator according to the invention.
  • Such a sensor is able to monitor a danger area, for example the space below an elevator car or pulpit, over a sufficient distance to determine whether there are objects or persons not provided for in this danger area. Accordingly, the operation of the elevator can be interrupted as soon as such a danger is indicated by the sensor system. Furthermore, a sensor system of the type mentioned has the advantage that many materials, in particular plastic, carpets or mineral building materials such as wall plasters, etc., are transparent to the radiation mentioned. A sensor according to the invention for monitoring an elevator can thus be covered without problems, for example under plaster or under a corresponding floor covering.
  • an evaluation unit for evaluating the frequency difference between the transmitted signal and the received signal is also provided.
  • This difference signal is particularly significant for a disturbance in a danger area, since it not only detects different types of reflection surfaces in the intensity distribution of the received signal, but also other relative movements through the frequency spectrum of the Doppler signal.
  • the evaluation of the Doppler signal is particularly well suited for use in an elevator according to the invention.
  • a memory unit into which the correct signal can be read when the elevator is operating safely.
  • This signal can be detected and stored when the elevator is operated one or more times, with which the monitoring system has "learned" the safe environment of the elevator to a certain extent. Subsequent changes within the monitored danger area immediately lead to a hazard detection by comparing the measured signal with the stored, "learned" reference signal.
  • Corresponding tolerance criteria for deviations between the measured and the learned reference signal can optionally be programmed in the comparison unit, which preferably consists of a computer.
  • two or more radar sensors are provided.
  • different danger areas can be recorded separately.
  • a ceiling area above the elevator car or pulpit can also be provided by appropriate Sensor arrangements on the ceiling are monitored.
  • ceiling passages through which the elevator car or pulpit passes can also be monitored, so that shearing or crushing of objects protruding from the elevator car or pulpit, for example body parts of transported people, is avoided.
  • the radar sensor is fixed in place on the building side. This can be done, for example, in the floor area below a corresponding floor covering, e.g. B. tiles, carpeting or the like, but also in a vertical wall position.
  • a corresponding floor covering e.g. B. tiles, carpeting or the like
  • the desired danger areas can be almost completely illuminated.
  • one or more radar sensors can also be attached to the elevator car or pulpit. This simplifies the installation of the elevator on the building side, which in this case can essentially be limited to the installation of corresponding ceiling openings and a support column.
  • a waveguide is also provided. This waveguide enables the radar sensor to be arranged at a distance from the area to be monitored.
  • the waveguide is designed as a waveguide, in particular as a perforated waveguide.
  • a waveguide allows the radiation to exit through the various openings in the perforation and accordingly takes up reflected radiation again.
  • perforated waveguide enables monitoring over the entire length of the waveguide.
  • Such a design is particularly suitable for edge monitoring, for example on the top or bottom of the elevator car or pulpit, where so-called sheared edges result when passing through a ceiling opening.
  • they can act as an proximity switch over an edge or even over an entire surface, which can detect, for example, a hand protruding over a shear edge or other body parts.
  • components such as horn antennas or radar lenses are provided in order to match the radiation characteristics of the radar sensor or the radar sensors to the respective danger area to be monitored.
  • two radar sensors are arranged opposite one another.
  • the two radar sensors also serve as a radar barrier in this case, since one radar sensor receives the radiation from the other directly.
  • This barrier arrangement not only makes it possible to monitor a volume in space corresponding to the radiation lobe, but it is also possible to precisely detect any disturbance in the direct connecting line between the two radar sensors.
  • two or more waveguides are connected to a common radar sensor.
  • the monitored danger area can be designed in a variety of ways without the increased use of radar sensors.
  • An elevator according to the invention is advantageously designed such that the pulpit floor is in the lowest Entry position does not drive under the top edge of the floor. On the one hand, this has advantages when installing the pulpit floor.
  • Floor can be designed. It can, for example, be carpeted, tiled or designed as a wooden floor. When the pulpit is open, most of the elevator area is accessible and can be used like the entire room.
  • the pulpit floor is at least partially chamfered at the edge to form a ramp. This makes it easier for a wheelchair user to use the elevator. In addition, with such a beveled design there is no tripping edge at the elevator entrance.
  • the elevator pulpit is guided on at least one support column as indicated above.
  • a particularly elegant form of elevator can be realized, which requires little constructional measures when installing the elevator and requires little space with appealing design options.
  • a guide groove is advantageously formed in the support column for guiding the elevator.
  • a large part of the elevator bracket is located inside this groove and is therefore not visible from the outside.
  • a vertical elevator of this type therefore leaves an impression, as it were, floating on a viewer.
  • the drive means for the elevator are preferably also at least partially arranged in the guide groove.
  • Such a drive for example with a spindle can be provided, is not or only barely visible from the outside.
  • the sensor system according to the invention can be constructed on a wide variety of physical principles and a wide variety of already known sensors.
  • the use of so-called light curtains, photomultipliers, ultrasonic sensors, laser sensors, inductive sensors, capacitive sensors, pressure sensors and / or limit switches is conceivable.
  • Further sensor principles, possibly also not yet known, are conceivable at any time for use on an elevator according to the invention.
  • a control device which, in the case of a sensor signal, i. H. when a person or body parts of a person is in a danger zone, brings the elevator to a standstill and / or generates an alarm signal.
  • alarm signals can be optical and / or acoustic signals, for example.
  • the sensor system serving as a safety device is designed as a multiple system. This ensures permanent security, even if a sensor system fails.
  • the control device is advantageously designed such that it reports a corresponding failure of part of the sensor system, so that a corresponding repair can take place.
  • a sensor plate that is movable to a certain extent is attached to the cabin floor or pulpit floor, with corresponding sensors, for example limit switches, continuously querying the position of the floor plate relative to the pulpit floor and stopping the lowering movement of the pulpit as soon as the sensor plate, for example, due to a body part underneath, in the direction is moved to the pulpit floor.
  • sensors for example limit switches
  • a further special embodiment of a sensor monitoring consists in an elastic bellows, which is arranged at the edge of the pulpit floor or also at the edge of a through opening through a ceiling and is filled with a fluid.
  • a deformation of this elastic bellows could be measured by a pressure sensor, for example in the form of a pressure-sensitive valve, and a reaction of the control device could be triggered accordingly.
  • a gel packet could also be used as a fluid-filled bellows.
  • the danger areas can be the space below the pulpit floor and the area of the culvert or the culverts (if the elevator is to be built over several floors). In these areas, there is naturally the greatest risk of injury to people from the elevator.
  • the elevator pulpit or elevator car is equipped with a so-called swing door.
  • the floor plan of the elevator car is preferably chosen to be round.
  • the pulpit is provided with a cylindrical outer wall, which can be closed or in the form of a railing. Along the circumference, a certain sub-area is designed as an access step, which is blocked by the support column in the closed state of the elevator pulpit.
  • the wall of the elevator pulpit designed in this way is designed to be rotatable, so that, depending on the placement of this access opening in the wall, the position of the entry and exit into the elevator pulpit or from the elevator pulpit can be chosen almost arbitrarily.
  • the support column not only serves as a guide column for the elevator pulpit, but also provides it at the same time represents the closure of the safety cabin or the safety railing.
  • the support column can also serve as a support column for the ceiling, if such is necessary for structural reasons.
  • the rotatable wall of the elevator car is preferably provided with a lock so that it cannot be opened during travel.
  • a lock can be, for example, in the form of locking elements such as locking bolts or the like, which are movably attached to the revolving door and / or to the support column.
  • Another particularly advantageous embodiment of a lock is that the edges of the revolving door, which delimit the access opening, move into a corresponding longitudinal groove in the support column when the elevator car travels. This longitudinal groove is only interrupted at the entry and exit positions of the elevator car, so that the revolving door can be moved in these positions.
  • the position of the revolving door is monitored by sensor means, so that the elevator is only ready to move when the revolving door is in a position in which it can move into the corresponding groove or grooves or is otherwise locked.
  • the sensor arrangement that is available for monitoring hazardous areas is used at least partially to monitor the position of the revolving door.
  • the use of one or more reflectors on the top of the revolving door would be conceivable.
  • This reflector or these reflectors would be illuminated by one or more emitters on the ceiling in the uppermost floor accessible by the elevator, the reflected one Radiation can be detected by appropriate sensors on the ceiling on the top floor to be reached by the elevator.
  • Such a disturbance can be caused, for example, by an object or by turning the revolving door itself.
  • Such a radiation curtain can also be provided on the underside of the elevator car.
  • Such a radiation curtain can work, for example, with electromagnetic radiation, preferably in the visible range, or else with other waves, for example ultrasound.
  • the radiation curtains described can also be used without the above-mentioned locking of the revolving door for monitoring the danger areas of the elevator.
  • sliding contacts are attached to the support column, preferably inside the guide groove, in order to contact a power supply or else data lines into the interior of the cabin.
  • a sliding contact for example in the form of a sliding rail or strip, has the advantage that no cable drag, in particular for an emergency stop switch, is necessary.
  • 1 is a schematic side view through an elevator according to the invention
  • 2 shows a schematic cross section through a ceiling opening
  • FIG. 3 shows a detailed illustration of a sensor device from FIG. 2,
  • FIG. 5 shows a schematic illustration of a driver's cabin or cockpit with a further embodiment of the sensor device
  • FIG. 6 is a plan view of an embodiment according to FIG. 5,
  • Fig. 7 shows another embodiment of the
  • FIG. 9 is a schematic sectional view through a vertical elevator connecting two superposed rooms
  • FIG. 12 shows a further schematic sectional illustration through a vertical elevator according to the invention
  • Fig. 13 shows an embodiment for a
  • Fig. 15 is a schematic representation of a
  • Fig. 16 is an enlarged view of the
  • FIG. 17 shows an exemplary embodiment of an elevator car with a revolving door in longitudinal section
  • Fig. 18 is a schematic representation of the embodiment of FIG. 9 in cross section.
  • FIG. 19 shows a cross section through a support column for an elevator according to the invention.
  • a support column 2 on which an elevator pulpit 3 is guided and driven so as to be displaceable in the vertical direction.
  • a floor 4 with a floor covering 5 is located below the elevator pulpit 3.
  • Various radar sensors 6, 7, 8, 9 are arranged below the floor covering 5.
  • the lines 10 on the radar sensors 6, 7, 8, 9 are drawn in to illustrate the radiation characteristic.
  • the elevator 1 approaching downwards or its elevator pulpit 3 is detected by the radar sensors 6, 7, 8, 9.
  • the predetermined driving speed of the elevator pulpit 3 results in particular when evaluating the Doppler signal, a characteristic signal shape and frequency distribution. As soon as an unintended object reaches the area below the elevator pulpit 3, this becomes visible through deviations in the sensor signal, in particular in the Doppler frequency spectrum, so that the elevator 1 can be stopped by means of a corresponding control, not shown in more detail.
  • the sensors 6, 7, 8, 9 can be arranged under the floor covering 5. This is possible due to the frequency ranges of the radar sensors 6, 7, 8, 9. Most non-conductive materials are transparent in the millimeter or micrometer range of the wavelengths.
  • FIG. 2 A breakthrough 11 through a ceiling 12 is shown in FIG. 2.
  • a curved perforated waveguide 13 is arranged along the circumference of the opening 11.
  • the shape of the waveguide 13 can be seen in particular in FIG. 3.
  • the arrows 14 in Fig. 3 indicate the locations in which the waveguide 13 is perforated, i. H. with appropriate holes
  • the corresponding radiation is fed into the waveguide 13 or the corresponding response signal is received via the radar sensor 6.
  • the bores 14 allow the transmission radiation to exit and reflected radiation to enter.
  • the edge area can thus be
  • the edge area 15 represents a shear edge and thus a danger area when the elevator pulpit 3 approaches. In the exemplary embodiment shown, it is possible to completely monitor this shear edge 15 with the aid of a single radar sensor.
  • annular waveguide 16 is attached to the upper edge of the elevator pulpit 3.
  • the lines of propagation 17 of the radiation illustrate that the waveguide 16 is again perforated as in the aforementioned embodiment.
  • a likewise annular waveguide 18 corresponding to the waveguide 16 is attached to the floor 19 of the elevator pulpit.
  • a further annular waveguide 20 with a smaller diameter is attached to the bottom 19 opposite the waveguide 18.
  • the wave lobes 21 in turn illustrate the perforated design of the waveguides 18, 20.
  • the waveguides 16, 18, 20 correspond in their shape and in terms of the feed by a radar sensor to the illustration according to FIG. 3.
  • each radar sensor 25, 26 is provided with two waveguides 27, 28.
  • One waveguide 27 extends to the upper edge 23, while the other waveguide 28 leads to the lower edge 24.
  • a U sensor area of the upper edge 23 and a peripheral area of the lower edge 24 is monitored by a single sensor 25, 26.
  • FIG. 7 shows a further exemplary embodiment, with different radar sensors 30, 31, 32, 33, 34 being integrated into the support column 2 at different heights.
  • Such an arrangement allows the exact determination of the position of the elevator pulpit 3 while driving in the detection range of the radar sensors 30, 31, 32, 33, 34.
  • Such an arrangement allows, in addition to the exact monitoring of the space below the pulpit 3, the use of knowledge of the exact Position of the elevator pulpit 3, e.g. B. for the control of the elevator drive, for example when braking when approaching the ground.
  • two radar sensors 35, 36 are shown on the floor of an elevator pulpit 3.
  • the radar sensors 35, 36 are provided on the one hand with a lens 37 and on the other hand with a horn antenna 38.
  • the radiation characteristic of the radar sensors 35, 36 can thereby be influenced.
  • the use of such lenses 37 or horn radiators 38 can also be used in conjunction with waveguides. Depending on the application, such components allow a more flexible adaptation of the sensor system to the hazardous areas to be monitored.
  • FIG. 9 shows an elevator 101, which connects two partially shown rooms of a building, a lower room 102 and an upper room 103.
  • a passage 105 is provided in a false ceiling 104, through which a support column 106 of the elevator 101 projects.
  • a half-high shaft 107 with a door is attached above the false ceiling 104, which forms the floor of the upper room 103.
  • the half-height shaft 107 serves as a safety railing in order to avoid the risk of falling through the passage 105 into the lower space 102.
  • a mid-height elevator pulpit or car 108 is located placed on the floor 109 of the lower room 102. It can be clearly seen that the cabin 108 does not pass under the surface 110 of the floor 109.
  • An elevator 101 according to FIG. 9 represents a vertical elevator, in particular for the disabled, which takes up very little space in rooms 102, 103.
  • the elevator car 108 is in the upper position, the floor area in the room 102 below the car 108 is fully accessible, since in this state only the support column 106 is present in the room 102.
  • FIG. 10 again shows an elevator 101, which, however, is now provided with a ceiling-high shaft in the upper room 103.
  • a ceiling-high cabin 108 In the lower room 102 there is a ceiling-high cabin 108, which in turn is guided on a support column 106 which passes through a passage 105 in the false ceiling 104.
  • the elevator car 108 does not pass under the surface 110 of the floor 109.
  • the floor area below the car is fully accessible.
  • FIG. 11 shows a further embodiment variant, in which case now a ceiling-high cabin 108 is combined with a half-height shaft 107 in the upper room 103.
  • a ceiling-high cabin 108 is combined with a half-height shaft 107 in the upper room 103.
  • the advantages already mentioned several times, i. H. The accessibility of the floor 109 when the elevator car 108 is in the upper position and the inexpensive installation without work on the floor 109 are also retained in this embodiment.
  • FIG. 12 shows an elevator 101 in an intermediate position of the elevator car 108.
  • the elevator car 108 is guided in the support column 106 via a short support arm 111 in the bottom region 112 of the elevator car 108 and in the vertical direction (see arrow P) is driven.
  • a hatched area 113 Highlighted floor area of the cabin 108, which is to be secured by appropriate sensors.
  • the sensors to be attached in the area of the surface 113 secure the space 114 below the cabin 108, provided that there is an impermissible object, e.g. B. a person or a body part of a person. A bruise is avoided in that such a fault is recognized by the corresponding sensor system and the elevator 101 is stopped.
  • FIG. 13 shows the edge region 115 of a passage 105 of a false ceiling 104 (see FIGS. 9 to 11), which is provided with a movable and resilient ring 116.
  • the ring 116 protrudes on its underside by a distance a from the underside 117 of the false ceiling 104.
  • a switching plunger 119 which is pressed downward via a spring element 118, is arranged in the interior of the ring 116.
  • a limit switch 120 is located above the switching plunger 119.
  • the ring 116 in connection with the spring element 118, the switching plunger 119 and the limit switch 120 represents a sensor system 121 in the sense of the invention.
  • Several such limit switches 120 with corresponding switching plungers 119 and spring elements 118 are arranged along the circumference of the passage 105. Due to the distance a with which this sensor arrangement protrudes downward from the false ceiling 104, the shear edge 122, which is formed by the lower edge of the false ceiling 104, is secured. As soon as an object, for example a body part of a person, protrudes laterally from the cabin 108 and approaches the false ceiling 104, the limit switch 120 is actuated via the switching plunger 119.
  • the elastic ring 123 is now arranged on the circumference at the edge 115 and, like the aforementioned exemplary embodiment, projects a distance a beyond the underside 117 of the false ceiling 104.
  • the elastic ring 123 is filled with a fluid, whereby a differential pressure when the elastic ring 123 is pressed in can be measured via the fluid.
  • the elastic ring 123 could, for example, also be designed as a gel cushion.
  • a light curtain made up of light barriers, ultrasonic sensors for monitoring interfering edges, capacitive sensors as proximity sensors, photomultipliers, etc.
  • FIG. 15 shows a sensor arrangement 124 similar to the sensor arrangement 121 from FIG. 105, but which is now located on the floor 125 of an elevator car 108.
  • a movable base plate 126 is suspended below the base 125, which in turn is connected to limit switches 128, 128 'via switching plungers 127, 127'.
  • a plurality of sensor arrangements 124, 124 ' are circumferentially connected to the base plate 126.
  • FIG. 15 thus shows a safety sensor system 124, by means of which the space underneath a cabin 108 descending can be secured.
  • FIG. 16 shows an enlargement of the embodiment according to the illustration in FIG. 9, in which the half-height elevator car 108 on the support column 106 can move from a lower room 102 into an upper room 103.
  • the passage 105 is secured in the upper room 103 by a half-height shaft 107.
  • a sensor arrangement 121 consisting of an elastic ring 123 (cf. FIG. 14) is provided.
  • the ring 123 extends over the entire circumference of the passage 105.
  • a chamfer 129 is shown hatched on the floor 126, which results in a low drive-over ramp, for example for a wheelchair user, into the cabin 108.
  • the chamfer 129 also offers the advantage for pedestrians that a tripping edge is avoided.
  • the cross-sectional shape of the support column 106 can be seen in particular in FIG. 18. It is a flat cross-sectional shape that has a curvature on the outside 131 with a radius that corresponds approximately to the inside radius of a revolving door 132.
  • the revolving door 132 has a recess 133 over a cross-sectional angle ⁇ which corresponds approximately to the angular range which is closed by the support column 106.
  • the revolving door 132 can rotate behind the column 106 when it is rotated about the axis of rotation D, as a result of which the recess 133 forms an entry or exit from the elevator car 108. In this way, the exit can be arranged at any point except in the area of the support column 106.
  • the column holder 134 which apparently stands in the way of the rotary movement of the revolving door 132 in FIG. 18 is, as can be seen in FIG. 17, only attached in the region of the false ceiling 104. If the revolving door is in this area, so opening the elevator is not desirable anyway since the elevator car 108 is in an intermediate position.
  • the support column 106 according to FIG. 18 is illustrated more clearly in an enlarged cross-sectional drawing according to FIG. 19.
  • the support 135 is composed of segments 137 a, b, c, which can consist, for example, of extruded aluminum.
  • the edge closures are formed by further segments, the edge segments 138 a, b.
  • the edge segments 138 a, b is a sleeve 140, z. B. attached from thin stainless steel sheet.
  • the bevels 139 a, b engage in corresponding recesses in the edge segments 138 a, b.
  • the casing 140 is filled with a filling material 141.
  • This material can be, for example, a rigid polyurethane foam, a lightweight concrete, etc. If the casing 140 is made so thin-walled that it does not inherently remain dimensionally stable, the filling and curing of the filling material 141 can take place in a production mold, possibly with pressurization and compression of the filling material 141.
  • Fixing pockets 142 a, c are provided in the segments 137 a, b in order to better connect the segments 137 a, c to the filling material 141.
  • the segments 137 a, c can also be glued to one another for better stability of the support 135 or connected in some other way.
  • the support column 106 in the form shown offers particular advantages in manufacture, the desired shape, in particular the outside 131, being able to be realized. moreover the visible surface of the support column 106 is formed by the sheath 140, so that subsequent remuneration is no longer necessary.
  • the filling with the filling material 141 represents an inexpensive possibility of shaping on the one hand and at the same time increases the load-bearing capacity of the support column 106. Overall, the cost of materials with a high load-bearing capacity for producing such a support column is therefore extremely low.
  • An elevator 101 offers the advantage that it can be installed easily and without major structural measures. It can be installed to save space and in particular offers the option of an attractive design. All drive elements can, for example, be accommodated in the support column 106 and are therefore not visible. Only the elevator car 108, a short part of the support arm 111 and the support column 106 are visible from the outside. Due to the sensor monitoring by the sensor arrangements 121, 124, the danger areas 122, 125 are secured.
  • Radar sensor 40 wavy lines
  • Radar sensor 119 shift plunger
  • Radar sensor 123 elastic ring

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un ascenseur, servant notamment à relier deux étages à l'intérieur d'une habitation et pouvant être utilisé sans problème pour transporter des appareillages supplémentaires, par exemple une chaise roulante ou similaire. Selon l'invention, il est prévu, dans un ascenseur (1) sans cage fermée de façon continue, des éléments (6, 7, 8, 9) pour surveiller des zones dangereuses au moyen d'au moins un détecteur radar, pendant le fonctionnement de l'ascenseur (1).
PCT/DE1998/001363 1997-05-17 1998-05-16 Ascenseur sans cage WO1998052859A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU89382/98A AU8938298A (en) 1997-05-17 1998-05-16 Elevator without an elevator shaft
EP98933551A EP0981489A1 (fr) 1997-05-17 1998-05-16 Ascenseur sans cage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19720748 1997-05-17
DE19720748.0 1997-05-17

Publications (1)

Publication Number Publication Date
WO1998052859A1 true WO1998052859A1 (fr) 1998-11-26

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ID=7829774

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/001363 WO1998052859A1 (fr) 1997-05-17 1998-05-16 Ascenseur sans cage

Country Status (4)

Country Link
EP (1) EP0981489A1 (fr)
AU (1) AU8938298A (fr)
DE (1) DE19821972A1 (fr)
WO (1) WO1998052859A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1281654A1 (fr) * 2000-04-26 2003-02-05 Mitsubishi Denki Kabushiki Kaisha Dispositif de commutation en mode de maintenance pour un ascenseur
WO2018172595A1 (fr) * 2017-03-21 2018-09-27 Kone Corporation Procédé et appareil de commande pour la commande d'un système d'ascenseur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017129822A1 (de) * 2017-12-13 2019-06-13 K.A. Schmersal Holding Gmbh & Co. Kg Sichere Positionierung einer Aufzugkabine in einem Aufzugschacht
DE102022102784A1 (de) * 2022-02-07 2023-08-10 Pilz Gmbh & Co. Kg Vorrichtung und System zur Erfassung von Objekten auf Böden

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1502921A (en) * 1976-04-06 1978-03-08 Wessex Medical Equipment Co Hoisting gear for raising and lowering disabled persons
US4262777A (en) * 1979-08-16 1981-04-21 Christopher Gordon W Hydraulic elevator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1502921A (en) * 1976-04-06 1978-03-08 Wessex Medical Equipment Co Hoisting gear for raising and lowering disabled persons
US4262777A (en) * 1979-08-16 1981-04-21 Christopher Gordon W Hydraulic elevator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1281654A1 (fr) * 2000-04-26 2003-02-05 Mitsubishi Denki Kabushiki Kaisha Dispositif de commutation en mode de maintenance pour un ascenseur
EP1281654A4 (fr) * 2000-04-26 2009-06-03 Mitsubishi Electric Corp Dispositif de commutation en mode de maintenance pour un ascenseur
WO2018172595A1 (fr) * 2017-03-21 2018-09-27 Kone Corporation Procédé et appareil de commande pour la commande d'un système d'ascenseur
CN110234588A (zh) * 2017-03-21 2019-09-13 通力股份公司 用于控制电梯系统的方法和控制设备

Also Published As

Publication number Publication date
EP0981489A1 (fr) 2000-03-01
DE19821972A1 (de) 1999-02-04
AU8938298A (en) 1998-12-11

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