EP1329412B1 - Aufzugsvorrichtung - Google Patents

Aufzugsvorrichtung Download PDF

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Publication number
EP1329412B1
EP1329412B1 EP00964753A EP00964753A EP1329412B1 EP 1329412 B1 EP1329412 B1 EP 1329412B1 EP 00964753 A EP00964753 A EP 00964753A EP 00964753 A EP00964753 A EP 00964753A EP 1329412 B1 EP1329412 B1 EP 1329412B1
Authority
EP
European Patent Office
Prior art keywords
car
lower car
hoistway
driving machine
counterweight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00964753A
Other languages
English (en)
French (fr)
Other versions
EP1329412A1 (de
EP1329412A4 (de
Inventor
Shuki Mitsubishi Denki K.K. HAMAGUCHI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1329412A1 publication Critical patent/EP1329412A1/de
Publication of EP1329412A4 publication Critical patent/EP1329412A4/de
Application granted granted Critical
Publication of EP1329412B1 publication Critical patent/EP1329412B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/0095—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave where multiple cars drive in the same hoist way
    • 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

Definitions

  • the present invention relates to an elevator apparatus in which a plurality of cars are raised and lowered inside a common hoistway.
  • an elevator apparatus is disclosed in Japanese Utility Model Laid-Open No. HEI 1-132660 , for example, in which two cars are raised and lowered inside different hoistways using a single counterweight for the two cars.
  • this elevator apparatus a wide hoistway space is required in order to dispose the two cars and the single counterweight horizontally.
  • an elevator apparatus is disclosed in Japanese Patent Laid-Open No. SHO 59-153773 , for example, in which two cars are disposed vertically inside a common hoistway.
  • this elevator apparatus since an upper car is suspended by 1:1 roping, a lower car by 2:1 roping, and two counterweights are required, the construction of the apparatus is complex.
  • US 1,837,643 discloses an elevator system having two elevator cars arranged in one hoistway as well as one counterweight common to both of the cars. Further, this document discloses two drum machines raising and lowering the elevator cars.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus enabling two cars to be disposed inside a single hoistway efficiently and enabling a compact overall construction.
  • an elevator apparatus including: a hoistway; an upper car raised and lowered inside the hoistway; a lower car disposed below the upper car, the lower car being raised and lowered inside the hoistway independently from the upper car; a counterweight raised and lowered inside the hoistway; an upper car driving machine for raising and lowering the upper car, the upper car driving machine having an upper car drive sheave and being disposed in an upper portion inside the hoistway; a lower car driving machine for raising and lowering the lower car, the lower car driving machine having a lower car drive sheave and being disposed in an upper portion inside the hoistway; and a main rope body for suspending the upper car, the lower car, and the counterweight, the main rope body being wound around the upper car drive sheave and the lower car drive sheave.
  • Figure 1 is a side elevation showing an elevator apparatus according to Embodiment 1 of the present invention and Figure 2 is a plan showing the elevator apparatus in Figure 1 .
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed inside a hoistway 1.
  • An upper car 4 and a lower car 5 are each guided by the car guide rails 2 so as to be independently raised and lowered inside the hoistway 1.
  • a counterweight 6 is guided by the counterweight guide rails 3 so as to be raised and lowered inside the hoistway 1.
  • a support platform 7 is disposed in an upper portion inside the hoistway 1.
  • the support platform 7 is supported by the car guide rails 2 and the counterweight guide rails 3.
  • An upper car driving machine 8 for raising and lowering the upper car 4 and a lower car driving machine 9 for raising and lowering the lower car 5 are supported by the support platform 7.
  • the upper car driving machine 8 includes an upper car drive sheave 8a.
  • the lower car driving machine 9 includes a lower car drive sheave 9a.
  • the counterweight 6 is disposed behind the upper car 4 and the lower car 5, and a center line of the pair of counterweight guide rails 3 is parallel to a straight line connecting centers of rotation of the upper car drive sheave 8a and the lower car drive sheave 9a.
  • a main rope body 11 composed of a plurality of main ropes 10 each made of a synthetic fiber rope is wound around the upper car drive sheave 8a and the lower car drive sheave 9a.
  • the upper car 4, the lower car 5, and the counterweight 6 are suspended inside the hoistway 1 by the main rope body 11.
  • the upper car drive sheave 8a and the lower car drive sheave 9a are disposed such that their respective positions in a height direction are offset from each other in order to prevent interference among portions of the main rope body 11.
  • An upper car deflection sheave 12, first and second counterweight deflection sheaves 13 and 14, first and second lower car deflection sheaves 15 and 16, and a horizontal deflection sheave 17 are supported by the support platform 7.
  • the upper car deflection sheave 12 directs the main rope body 11 from the upper car drive sheave 8a to the upper car 4.
  • the first counterweight deflection sheave 13 directs the main rope body 11 from the upper car drive sheave 8a to the counterweight 6.
  • the second counterweight deflection sheave 14 directs the main rope body 11 from the lower car drive sheave 9a to the counterweight 6.
  • the main ropes 10 in the main rope body 11 are distributed in first and second directions so as to pass along first and second sides of the upper car 4.
  • a first distributed portion of the main rope body 11 is directed toward the lower car 5 by the first lower car deflection sheave 15.
  • a second distributed portion of the main rope body 11 is directed toward the lower car 5 by the second lower car deflection sheave 16 and the horizontal deflection sheave 17.
  • a counterweight suspension sheave 18 around which the main rope body 11 is wound is disposed on an upper portion of the counterweight 6.
  • a first end portion of the main rope body 11 is connected to a central portion of an upper portion of the upper car 4.
  • the main rope body 11 is wound in sequence from the first end portion around the upper car deflection sheave 12, the upper car drive sheave 8a, the first counterweight deflection sheave 13, the counterweight suspension sheave 18, the second counterweight deflection sheave 14, and the lower car drive sheave 9a and is then distributed in the first and second directions.
  • Second end portions of the first and second distributed portions of main rope body 11 are connected to lower portions of first and second sides of the lower car 5, respectively.
  • the upper car 4 and the lower car 5 are each suspended by a 1:1 roping method and the counterweight 6 is suspended by a 2:1 roping method relative to the upper car drive sheave 8a and the lower car drive sheave 9a.
  • An interference detection switch 19 for detecting interference with the upper car 4 and an inter-car buffer 20 for buffering impact if the upper car 4 collides are both mounted on upper portions of the lower car 5.
  • a plurality of buffers 21 are installed in a pit (a bottom portion) 1a in the hoistway 1 to buffer impact if the lower car 5 collides into the pit 1a.
  • a standby space 1b for the lower car 5 to stand by in is reserved in the pit 1a.
  • a pair of left and right compensating ropes 22 are suspended from lower portions of the upper car 4, the lower car 5, and the counterweight 6.
  • Figure 3 is a side elevation showing part of Figure 1 enlarged
  • Figure 4 is a plan showing part of Figure 3 .
  • a pair of return sheaves 23 around which the compensating ropes 22 are wound are disposed on a lower portion of the counterweight 6.
  • a pair of first upper car tension sheaves 24, a pair of second upper car tension sheaves 25, a pair of first lower car tension sheaves 26, and a pair of second lower car tension sheaves 27 are disposed in the pit 1a.
  • First end portions of the compensating ropes 22 are connected to lower portions of the upper car 4, and second end portions of the compensating ropes 22 are connected to lower portions of the lower car 5. Furthermore, intermediate portions of the compensating ropes 22 are wound in sequence around the first upper car tension sheaves 24, the second upper car tension sheaves 25, the return sheaves 23, the first lower car tension sheaves 26, and the second lower car tension sheaves 27.
  • a fixed cable hanger 28 is fixed inside the hoistway 1.
  • the fixed cable hanger 28 is fixed to the car guide rails 2.
  • Upper car and lower car cable hangers 29 and 30 are disposed on the upper car 4 and the lower car 5, respectively.
  • a flexible upper car control cable 31 is connected between the fixed cable hanger 28 and the upper car cable hanger 29.
  • a flexible lower car control cable 32 is similarly connected between the fixed cable hanger 28 and the lower car cable hanger 30.
  • Figure 5 is a side elevation showing an upper portion inside the hoistway in Figure 1 enlarged.
  • the upper car driving machine 8 is fixed to the support platform 7 by means of support brackets 33.
  • a plurality of elastic bodies 34 are interposed between the support brackets 33 and the upper car driving machine 8.
  • the support construction of the lower car driving machine 9 is similar to that of the upper car driving machine 8.
  • FIG 6 is a perspective showing a construction of a main rope 10 from Figure 1 .
  • an inner strand layer 44 having a plurality of inner strands 42 and filler strands 43 disposed in gaps between these inner strands 42 is disposed around a core wire 41.
  • Each of the inner strands 42 is composed of a plurality of aramid fibers and an impregnating material such as a polyurethane or the like.
  • the filler strands 43 are composed of a polyamide, for example.
  • An outer strand layer 46 having a plurality of outer strands 45 is disposed around an outer circumference of the inner strand layer 44.
  • Each of the outer strands 45 is composed of a plurality of aramid fibers and an impregnating material such as a polyurethane or the like in a similar manner to the inner strands 42.
  • a friction-reducing coating layer 47 for preventing abrasion of the strands 42 and 45 due to friction among the strands 42 and 45 during winding onto the drive sheaves 8a and 9a is disposed between the inner strand layer 44 and the outer strand layer 46.
  • a protective coating layer 48 is also disposed on an outer circumferential portion of the outer strand layer 46.
  • a synthetic fiber rope of this kind has a high coefficient of friction compared to a steel rope and is superior in flexibility.
  • the upper car 4 and the lower car 5 are each suspended by a 1:1 roping method and the counterweight 6 is suspended by a 2:1 roping method relative to the upper car drive sheave 8a and the lower car drive sheave 9a, only one counterweight 6 is required, enabling the construction to be simplified.
  • the upper car driving machine 8 and the lower car driving machine 9 are disposed horizontally, and a plurality of deflection sheaves 12 to 17 for directing the main rope body 11 from the upper car drive sheave 8a and the lower car drive sheave 9a to the upper car 4, the lower car 5, and the counterweight 6 are disposed in the upper portion inside the hoistway 1, a compact overall construction is made possible.
  • the upper car driving machine 8, the lower car driving machine 9, and all of the deflection sheaves 12 to 17 are supported on the common support platform 7, the number of parts is reduced, also making a compact overall construction possible.
  • the support platform 7 is supported by the guide rails 2 and 3, a load acting on the support platform 7 can be borne by the pit 1a via the guide rails 2 and 3.
  • the support platform 7 may also be supported directly by a building, and in that case, the load acting on the guide rails 2 and 3 is alleviated, enabling a cross-sectional area of the guide rails 2 and 3 to be reduced.
  • the lower car 5 can be stably suspended.
  • the lower car 5 since a standby space 1b for the lower car 5 to stand by in is reserved in the pit 1a of the hoistway 1, the upper car 4 can be stopped at a lowermost landing, and when the work load on the elevator apparatus is small, the lower car 5 may also be made to stand by in the standby space 1b while only the upper car 4 operates, enabling operating efficiency to be improved.
  • control cables 31 and 32 are disposed outside a region of movement of the upper car 4, the lower car 5, and the counterweight 6, the control cables 31 and 32 will not interfere with the upper car 4, the lower car 5, or the counterweight 6.
  • main ropes 10 made of a synthetic fiber rope having a high coefficient of friction and superior flexibility are used, diameters of the drive sheaves 8a and 9a and the deflection sheaves 12 to 17 can be reduced, making an even more compact overall construction possible.
  • the upper car 4 is suspended by a central portion of an upper portion thereof, but may be suspended by first and second side portions by distributing the plurality of main ropes 10 in a similar manner to the lower car 5.
  • the single counterweight 6 is used for the two cars 4 and 5, but two counterweights may also be used.
  • the counterweight 6 is disposed behind the cars 4 and 5, but the present invention can also be applied to an elevator apparatus in which the counterweight 6 is disposed beside the cars 4 and 5, as shown in Figure 7 , for example.
  • the center line of the pair of counterweight guide rails 3 is perpendicular to the straight line connecting the centers of rotation of the upper car drive sheave 8a and the lower car drive sheave 9a.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (10)

  1. Aufzugvorrichtung umfassend:
    einen Schacht (1);
    eine obere Kabine (4), die innerhalb des Schachts (1) angehoben und abgesenkt wird;
    eine unterhalb der oberen Kabine (4) angeordnete untere Kabine (5), wobei die untere Kabine (5) unabhängig von der oberen Kabine (4) innerhalb des Schachts (1) angehoben und abgesenkt wird;
    ein Gegengewicht (6), das innerhalb des Schachts (1) angehoben und abgesenkt wird;
    eine Antriebsmaschine für die obere Kabine (8) zum Anheben und Absenken der oberen Kabine (4), wobei die Antriebsmaschine für die obere Kabine (8) eine Antriebsscheibe für die obere Kabine (8a) aufweist und in einem oberen Abschnitt innerhalb des Schachts (1) angeordnet ist;
    eine Antriebsmaschine für die untere Kabine (9) zum Anheben und Absenken der unteren Kabine (5), wobei die Antriebsmaschine für die untere Kabine (9) eine Antriebsscheibe für die untere Kabine (9a) aufweist und in einem oberen Abschnitt innerhalb des Schachts (1) angeordnet ist; und
    einen Hauptseilkörper (11) zum Aufhängen der oberen Kabine (4), der unteren Kabine (5) und des Gegengewichts (6), wobei der Hauptseilkörper (11) um die Antriebsscheibe für die obere Kabine (8a) und die Antriebsscheibe für die untere Kabine (9a) gewickelt ist, dadurch gekennzeichnet, dass
    die Antriebsmaschine für die obere Kabine (8) und die Antriebsmaschine für die untere Kabine (9) derart angeordnet sind, dass sie in einer vertikalen Richtung gegenseitig überlappt sind und in einer horizontalen Richtung voneinander beabstandet sind.
  2. Aufzugvorrichtung gemäß Anspruch 1, bei der die obere Kabine (4) und die untere Kabine (5) jeweils durch ein 1:1-Seilverfahren aufgehängt sind, und das Gegengewicht (6) durch ein 2:1-Seilverfahren relativ zur Antriebsscheibe für die obere Kabine (8a) und zur Antriebsscheibe für die untere Kabine (9a) aufgehängt ist.
  3. Aufzugvorrichtung gemäß Anspruch 1, bei der die Antriebsmaschine für die obere Kabine (8) und die Antriebsmaschine für die untere Kabine (9) derart horizontal angeordnet sind, dass sich eine Drehwelle jeder der Antriebsscheiben (8a, 9a) in einer vertikalen Richtung erstreckt, wobei eine Vielzahl von Umlenkscheiben (12, 13, 14, 15, 16, 17) zum Leiten des Hauptseilkörpers (11) von der Antriebsscheibe für die obere Kabine (8a) und der Antriebsscheibe für die untere Kabine (9a) zur oberen Kabine (4), zur unteren Kabine (5) und zum Gegengewicht (6) in einem oberen Abschnitt innerhalb des Schachts (1) angeordnet sind.
  4. Aufzugvorrichtung gemäß Anspruch 3, bei der die Antriebsmaschine für die obere Kabine (8), die Antriebsmaschine für die untere Kabine (9) und alle Umlenkscheiben (12, 13, 14, 15, 16, 17) durch eine in einem oberen Abschnitt innerhalb des Schachts (1) angeordnete gemeinsame Stützplattform (7) gestützt werden.
  5. Aufzugvorrichtung gemäß Anspruch 4, bei der eine Vielzahl von elastischen Körpern (34) zwischen der Antriebsmaschine für die obere Kabine (8) und der Stützplattform (7) und zwischen der Antriebsmaschine für die untere Kabine (9) und der Stützplattform (7) eingefügt sind.
  6. Aufzugvorrichtung gemäß Anspruch 1, bei welcher der Hauptseilkörper (11) eine Vielzahl von Hauptseilen (10) aufweist, wobei die Vielzahl der Hauptseile (11) an einem Zwischenpunkt zwischen der Antriebsmaschine für die untere Kabine (9) und der unteren Kabine (5) verteilt sind, um entlang der ersten und zweiten Seite der oberen Kabine (4) vorbeizugelangen.
  7. Aufzugvorrichtung gemäß Anspruch 1, bei der ein Paar Gegengewichtführungsschienen (3) zum Führen eines Anhebens und Absenkens des Gegengewichts (6) innerhalb des Schachts (1) installiert sind, wobei eine Mittenlinie des Paars der Gegengewichtführungsschienen (3) zu einer die Drehmitten der Antriebsscheibe für die obere Kabine (8a) und der Antriebsscheibe für die untere Kabine (9a) verbindenden geraden Linie parallel ist.
  8. Aufzugvorrichtung gemäß Anspruch 1, bei der ein Paar Gegengewichtführungsschienen (3) zum Führen eines Anhebens und Absenkens des Gegengewichts (6) innerhalb des Schachts (1) installiert sind, wobei eine Mittenlinie des Paars der Gegengewichtführungsschienen (3) zu einer die Drehmitten der Antriebsscheibe für die obere Kabine (8a) und der Antriebsscheibe für die untere Kabine (9a) verbindenden geraden Linie senkrecht ist.
  9. Aufzugvorrichtung gemäß Anspruch 1, bei der ein Warteraum (1a) für die untere Kabine (5) zum Warten in einer Vertiefung des Schachts (1) vorbehalten ist.
  10. Aufzugvorrichtung gemäß Anspruch 1, bei welcher der Hauptseilkörper (11) ein aus einem Synthetikfaserseil hergestelltes Hauptseil (10) aufweist.
EP00964753A 2000-10-10 2000-10-10 Aufzugsvorrichtung Expired - Lifetime EP1329412B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007026 WO2002030801A1 (fr) 2000-10-10 2000-10-10 Dispositif d'ascenseurs

Publications (3)

Publication Number Publication Date
EP1329412A1 EP1329412A1 (de) 2003-07-23
EP1329412A4 EP1329412A4 (de) 2006-06-14
EP1329412B1 true EP1329412B1 (de) 2009-12-09

Family

ID=11736575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00964753A Expired - Lifetime EP1329412B1 (de) 2000-10-10 2000-10-10 Aufzugsvorrichtung

Country Status (5)

Country Link
EP (1) EP1329412B1 (de)
JP (1) JP4786121B2 (de)
CN (1) CN1226176C (de)
DE (1) DE60043517D1 (de)
WO (1) WO2002030801A1 (de)

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Publication number Priority date Publication date Assignee Title
DE60237316D1 (de) * 2002-06-10 2010-09-23 Mitsubishi Electric Corp Aufzug
IL157278A (en) * 2002-09-05 2009-07-20 Inventio Ag Motion motor for elevator and method of positioning the motor
WO2004043844A1 (ja) * 2002-11-12 2004-05-27 Mitsubishi Denki Kabushiki Kaisha エレベータ用ロープ及びエレベータ装置
EP1489033B2 (de) * 2003-06-18 2015-05-27 Inventio AG Aufzugsanlage mit in einem Schacht übereinander angeordneten Kabinen
JP2005008414A (ja) * 2003-06-18 2005-01-13 Inventio Ag エレベーター設備、このエレベーター設備を操作する方法、およびエレベーター設備を最新化する方法
SG111198A1 (en) * 2003-10-09 2005-05-30 Inventio Ag Lift installation for zonal operation in a building, method for zonal operation of such a lift installation and method for modernisation of a lift installation
JPWO2005056455A1 (ja) * 2003-12-09 2007-07-05 三菱電機株式会社 エレベータ装置
JP4313183B2 (ja) * 2003-12-24 2009-08-12 株式会社日立製作所 エレベーター装置
JP4757803B2 (ja) * 2004-09-30 2011-08-24 三菱電機株式会社 エレベータ装置
EP1700811B1 (de) * 2005-03-12 2013-01-09 ThyssenKrupp Elevator AG Aufzuganlage
DE502005009483D1 (de) * 2005-03-12 2010-06-10 Thyssenkrupp Elevator Ag Aufzuganlage
KR100775197B1 (ko) * 2005-07-28 2007-11-12 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
JP4861676B2 (ja) * 2005-10-24 2012-01-25 株式会社日立製作所 エレベーター装置
CN101166686B (zh) * 2006-05-01 2010-09-08 三菱电机株式会社 电梯装置
EG24538A (en) * 2006-09-08 2009-09-03 Inventio Ag Method of operating a lift installation, a lift installation operable by this method and safety equipment for this lift installation
NZ562338A (en) * 2006-10-31 2009-07-31 Inventio Ag Lift with two lift cages disposed one above the other in a lift shaft
EP1918238B1 (de) * 2006-10-31 2011-03-09 Inventio AG Aufzug mit zwei übereinander liegenden Aufzugskabinen in einem Schacht
US7857103B2 (en) 2006-12-14 2010-12-28 Inventio Ag Elevator system
MY149179A (en) * 2006-12-14 2013-07-31 Inventio Ag Lift system
US7661513B2 (en) 2006-12-14 2010-02-16 Inventio Ag Dual-car elevator system with common counterweight
EP1935826B1 (de) 2006-12-14 2011-05-11 Inventio AG Aufzugssystem
ZA200710597B (en) * 2006-12-21 2008-11-26 Inventio Ag Method of preventing collision of two lift cages movable in the same shaft of a lift installation and corresponding lift installation
RU2493091C2 (ru) * 2007-12-14 2013-09-20 Инвенцио Аг Тормоз наезда для двух перемещающихся независимо друг от друга лифтовых корпусов
EP2072445A1 (de) * 2007-12-21 2009-06-24 Inventio Ag Betriebsverfahren für einen Aufzug mit zwei Aufzugskabinen und einem Gegengewicht
RU2495814C2 (ru) * 2007-12-21 2013-10-20 Инвенцио Аг Лифт с двумя кабинами
BRPI0821212A2 (pt) * 2007-12-21 2015-06-16 Inventio Ag Elevador com duas cabines e um contrapeso conjunto
CN105645218B (zh) * 2014-11-11 2017-10-10 上海爱登堡电梯集团股份有限公司 高速电梯钢丝绳补偿及涨紧装置
JP6892835B2 (ja) * 2018-02-06 2021-06-23 株式会社日立製作所 非常救出用器具及びエレベーター装置
DE102019206165A1 (de) 2019-04-30 2020-05-14 Thyssenkrupp Ag Aufzuganlage mit abrollbarem Versorgungskabel

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US1837643A (en) 1931-03-28 1931-12-22 Otis Elevator Co Elevator system
JPS59153773A (ja) * 1983-02-04 1984-09-01 株式会社東芝 エレベ−タ
JPS60191982A (ja) * 1984-03-14 1985-09-30 株式会社東芝 エレベ−タ巻上機用支持梁
JPH0313484A (ja) * 1989-06-08 1991-01-22 Mitsubishi Electric Corp エレベータ装置
US5419414A (en) * 1993-11-18 1995-05-30 Sakita; Masami Elevator system with multiple cars in the same hoistway
JPH07187525A (ja) * 1993-11-18 1995-07-25 Masami Sakita 複数ばこエレベータシステム
BR9500779A (pt) * 1994-03-02 1995-10-24 Inventio Ag Cabo como meio de suporte para elevadores
ES2197280T3 (es) * 1996-11-11 2004-01-01 Inventio Ag Instalacion de ascensor con una unidad de accionamiento dispuesta en la caja de ascensor.

Also Published As

Publication number Publication date
EP1329412A1 (de) 2003-07-23
JP4786121B2 (ja) 2011-10-05
WO2002030801A1 (fr) 2002-04-18
JPWO2002030801A1 (ja) 2004-02-19
DE60043517D1 (de) 2010-01-21
EP1329412A4 (de) 2006-06-14
CN1409687A (zh) 2003-04-09
CN1226176C (zh) 2005-11-09

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