EP1602612A1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
EP1602612A1
EP1602612A1 EP03816249A EP03816249A EP1602612A1 EP 1602612 A1 EP1602612 A1 EP 1602612A1 EP 03816249 A EP03816249 A EP 03816249A EP 03816249 A EP03816249 A EP 03816249A EP 1602612 A1 EP1602612 A1 EP 1602612A1
Authority
EP
European Patent Office
Prior art keywords
car
hoistway
sheave
disposed
ropes
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.)
Withdrawn
Application number
EP03816249A
Other languages
German (de)
English (en)
Other versions
EP1602612A4 (fr
Inventor
Atsushi Mitsubishi Denki Kabushiki Kaisha MITSUI
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 EP1602612A1 publication Critical patent/EP1602612A1/fr
Publication of EP1602612A4 publication Critical patent/EP1602612A4/fr
Withdrawn legal-status Critical Current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
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway

Definitions

  • the present invention relates to a machine-roomless elevator apparatus in which a hoisting machine is installed in a lower portion of a hoistway.
  • WO 02/16247 A1 for example, a hoisting machine and deflector sheaves are disposed in an upper portion of a hoistway, ropes wound onto the hoisting machine are wound over the deflector sheaves and hung down, and an upper beam of a car is suspended at a position of a center of gravity of the car.
  • one disadvantage has been that space for installing the hoisting machine and the deflector sheaves is required in the upper portion of the hoistway, making building height proportionately greater.
  • the present invention provides an elevator apparatus having a simple construction achieving a one-to-one (1:1) roping method while keeping hoistway dimensions to a minimum by disposing a sheave in a gap between a hoistway wall in a lower portion of a hoistway and a car to reduce upper portion space in the hoistway without aggravating noise from the hoisting machine.
  • an elevator apparatus including: a car raisably and lowerably disposed inside a hoistway; a hoisting machine disposed in a lower portion of the hoistway such that a sheave is positioned in a gap between a wall surface of the hoistway and a first side of the car in a width direction; first and second rope fastening portions respectively disposed on lower portions of first and second sides of the car in a width direction; a counterweight raisably and lowerably disposed in either one of a gap between the first side of the car in a width direction and the wall surface of the hoistway and a gap between a rear side of the car in a depth direction and a wall surface of the hoistway; and hoisting ropes constituted by a plurality of ropes wound onto the sheave, the car and the counterweight being suspended by the hoisting ropes using a one-to-one (1:1) roping method, wherein: half of the
  • Figure 1 is a longitudinal section showing an elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 1 of the present invention
  • Figure 2 is a cross section showing the elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 1 of the present invention.
  • a pair of car guide rails 2a and 2b are disposed so as to extend in a vertical direction along wall surfaces 1a and 1b in a width direction (left-to-right in Figure 2) of the hoistway 1 at a generally central position in a depth direction of the hoistway 1 (top-to-bottom in Figure 2) so as to face each other in the width direction of the hoistway 1.
  • a car 3 is raisably and lowerably disposed in the hoistway 1 so as to be guided by the car guide rails 2a and 2b.
  • a first rope fastening portion 4a and a second rope fastening portion 4b are disposed on lower portions of first and second sides of the car 3 in a width direction.
  • the first rope fastening portion 4a is positioned to a side of the car guide rail 2a near a landing
  • the second rope fastening portion 4b is positioned to a side of the car guide rail 2b away from the landing, the first rope fastening portion 4a and the second rope fastening portion 4b being in a positional relationship having centrosymmetry relative to a position of a center of gravity A of the car 3.
  • the "width direction" of the hoistway 1 and the car 3 means the direction of opening and closing of a door of the car 3.
  • a pair of counterweight guide rails 5a and 5b are disposed so as to extend in a vertical direction along a rear wall surface 1c in a depth direction of the hoistway 1 (a side away from the landing) in a gap between the car 3 and the wall surface 1c so as to face each other in a width direction.
  • a counterweight 6 is raisably and lowerably disposed in the hoistway 1 so as to be guided by the counterweight guide rails 5a and 5b.
  • a hoisting machine 7 is a thin hoisting machine having an axial length smaller than its diameter, and is disposed in a lower portion of the hoistway 1 so as to be positioned to a side of the car guide rail 2a away from the landing in a gap between the side wall 1a of the hoistway 1 and the car 3.
  • a central axis of a sheave 7a of the hoisting machine 7 is horizontal, and is perpendicular to the side wall 1a.
  • a counterweight return pulley 8 is disposed in an upper portion of the hoistway 1 so as to be positioned between the counterweight 6 and the hoisting machine 7 in a gap between the wall surfaces 1a and 1c of the hoistway 1 and the car 3.
  • a rotating shaft 8a of the counterweight return pulley 8 is horizontal, and is perpendicular to the central axis of the sheave 7a.
  • a first car return pulley 9 is disposed in an upper portion of the hoistway 1 so as to be positioned between the sheave 7a and the first rope fastening portion 4a in a gap between the side wall 1a and the car 3, and so as to avoid interference with the car guide rail 2a.
  • a rotating shaft 9a of the first car return pulley 9 is parallel to the central axis of the sheave 7a.
  • a second car return pulley 10 is disposed in an upper portion of the hoistway 1 so as to be positioned between the sheave 7a and the first car return pulley 9 in a gap between the side wall 1a and the car 3.
  • a rotating shaft 10a of the second car return pulley 10 is horizontal, and is perpendicular to the rotating shaft 9a.
  • a third car return pulley 11 is disposed in an upper portion of the hoistway 1 so as to be positioned generally vertically above the second rope fastening portion 4b in a gap between the side wall 1b and the car 3.
  • a rotating shaft 11a of the third car return pulley 11 is parallel to the rotating shaft 10a.
  • the second and third car return pulleys 10 and 11 are positioned at an equal height above the car 3 when it is at an uppermost floor, and the first car return pulley 9 is positioned below the second and third car return pulleys 10 and 11.
  • Hoisting ropes 12 are constituted by a plurality of ropes having high flexibility, such as synthetic fiber ropes 20 described below, for example, covered with a resin, first ends being fixed to a counterweight 6, led upward, then wound over the counterweight return pulley 8, and lowered down.
  • the hoisting ropes 12 lowered down from the counterweight return pulley 8 are wound onto the sheave 7a, and led upward.
  • ropes 12a constituting half of the hoisting ropes 12 led upward from the sheave 7a are wound over the first car return pulley 9 and lowered, second ends being fixed to the first rope fastening portion 4a.
  • ropes 12b constituting a remainder of the hoisting ropes 12 led upward from the sheave 7a are wound over the second car return pulley 10 so as to change a rope traveling direction by approximately 90 degrees (90°). Thereafter, the ropes 12b are wound over the third car return pulley 11 and lowered, second ends being fixed to the second rope fastening portion 4b.
  • the car 3 and the counterweight 6 are suspended inside the hoistway 1 by the hoisting ropes 12 using a 1:1 roping method.
  • Figure 3 is a partially cut away perspective showing a rope such as a synthetic fiber rope having high flexibility covered with a resin used in a hoisting rope of the elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 1 of the present invention.
  • an inner strand layer 24 made of a plurality of inner strands 22 and filler strands 23 disposed so as to fill gaps between the inner strands 22 is disposed around a core wire 21.
  • Each of the inner strands 22 is constituted by a plurality of aramid fibers and an impregnating material such as a polyurethane or the like.
  • each of the filler strands 23 is composed of a polyamide, for example.
  • An outer strand layer 26 having a plurality of outer strands 25 is disposed around an outer periphery of the inner strand layer 24.
  • Each of the outer strands 25 is constituted by a plurality of aramid fibers and an impregnating material such as a polyurethane or the like in a similar manner to the inner strands 22.
  • a friction-reducing coating layer 27 for preventing abrasion due to friction among the inner strands 22 and the outer strands 25 is disposed between the inner strand layer 24 and the outer strand layer 26.
  • a protective coating layer 28 is also disposed on an outer portion of the outer strand layer 26.
  • a synthetic fiber rope 20 constructed in this manner has a high coefficient of friction compared to conventional steel ropes, and is superior in flexibility.
  • load is transferred only to the inner and outer strands 22 and 26.
  • a machine-roomless elevator apparatus using a one-to-one (1:1) roping method enabling noise to be reduced is achieved by a simpler construction than a conventional machine-room elevator apparatus using a two-to-one (2:1) roping method.
  • first and second rope fastening portions 4a and 4b are in a positional relationship having centrosymmetry relative to a position of a center of gravity A of the car 3, the car 3 can be suspended at a position of its center of gravity, enabling a stable raising and lowering operation to be achieved.
  • the hoisting machine 7 is disposed in the lower portion of the hoistway 1, and second and third car return pulleys 10 and 11 are disposed in gaps between the side walls 1a and 1b and the car 3, space in the upper portion of the hoistway 1 can be reduced, enabling building height to be lowered.
  • the sheave 7a and the return pulleys can be reduced in diameter.
  • the second and third car return pulleys 10 and 11 it is possible to dispose the second and third car return pulleys 10 and 11 at right angles to the wall surfaces 1a and 1b in gaps between the wall surfaces 1a and 1b of the hoistway 1 and the car 3 without increasing cross sectional dimensions of the hoistway 1.
  • the cross sectional dimensions of the hoistway 1 can be kept to a minimum.
  • Figure 4 is a longitudinal section showing an elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 2 of the present invention
  • Figure 5 is a cross section showing the elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 2 of the present invention.
  • first and second rope fastening portions 4a and 4b are disposed on lower portions of first and second sides of a car 3 in a width direction in close proximity to car guide rails 2a and 2b to a side of the car guide rails 2a and 2b away from a landing.
  • a first car return pulley 9 is disposed in an upper portion of a hoistway 1 so as to be positioned generally vertically above the first rope fastening portion 4a in a gap between a side wall 1a and the car 3.
  • a rotating shaft 9a of the first car return pulley 9 is horizontal, and is perpendicular to a central axis of a sheave 7a.
  • a second car return pulley 10 is disposed in an upper portion of the hoistway 1 so as to be positioned generally vertically above the first car return pulley 9 in a gap between the side wall 1a and the car 3.
  • a rotating shaft 10a of the second car return pulley 10 is parallel to the rotating shaft 9a.
  • a third car return pulley 11 is disposed in an upper portion of the hoistway 1 so as to be positioned generally vertically above the second rope fastening portion 4b in a gap between a side wall 1b and the car 3.
  • a rotating shaft 11a of the third car return pulley 11 is parallel to the rotating shaft 10a.
  • the second and third car return pulleys 10 and 11 are positioned at an equal height above the car 3 when it is at an uppermost floor, and the first car return pulley 9 is positioned below the second and third car return pulleys 10 and 11.
  • hoisting ropes 12 are fixed to a counterweight 6, led upward, then wound over a counterweight return pulley 8, and lowered down.
  • the hoisting ropes 12 lowered down from the counterweight return pulley 8 are wound onto the sheave 7a, and led upward.
  • ropes 12a constituting half of the hoisting ropes 12 led upward from the sheave 7a are wound over the first car return pulley 9 and lowered, second ends being fixed to the first rope fastening portion 4a.
  • ropes 12b constituting a remainder of the hoisting ropes 12 led upward from the sheave 7a are wound over the second car return pulley 10 so as to change a rope traveling direction by approximately 90 degrees (90°).
  • Embodiment 2 a machine-roomless elevator apparatus using a one-to-one (1:1) roping method enabling a car 3 to be suspended generally at a position of its center of gravity can also be achieved, enabling similar effects to those in Embodiment 1 above to be achieved.
  • Figure 6 is a cross section showing an elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 3 of the present invention.
  • a first rope fastening portion 4a and a second rope fastening portion 4b are disposed on lower portions of first and second sides of a car 3 in a width direction so as to be in a positional relationship having centrosymmetry relative to a position of a center of gravity A of the car 3.
  • the first rope fastening portion 4a is positioned to a side of a car guide rail 2a away from a landing
  • the second rope fastening portion 4b is positioned to a side of a car guide rail 2b near the landing.
  • a first car return pulley 9 is disposed in an upper portion of a hoistway 1 so as to be positioned vertically above a sheave 7a and the first rope fastening portion 4a in a gap between a side wall 1a and the car 3.
  • a rotating shaft 9a of the first car return pulley 9 is parallel to a central axis of the sheave 7a.
  • a second car return pulley 10 is disposed in an upper portion of the hoistway 1 so as to be positioned vertically above the first car return pulley 9 in a gap between the side wall 1a and the car 3.
  • a rotating shaft 10a of the second car return pulley 10 is horizontal, and is inclined relative to the rotating shaft 9a.
  • a third car return pulley 11 is disposed in an upper portion of the hoistway 1 so as to be positioned generally vertically above the second rope fastening portion 4b in a gap between a side wall 1b and the car 3.
  • a rotating shaft 11a of the third car return pulley 11 is parallel to the rotating shaft 10a.
  • the second and third car return pulleys 10 and 11 are positioned at an equal height above the car 3 when it is at an uppermost floor, and the first car return pulley 9 is positioned below the second and third car return pulleys 10 and 11.
  • hoisting ropes 12 are fixed to a counterweight 6, led upward, then wound over a counterweight return pulley 8, and lowered down.
  • the hoisting ropes 12 lowered down from the counterweight return pulley 8 are wound onto the sheave 7a, and led upward.
  • ropes 12a constituting half of the hoisting ropes 12 led upward from the sheave 7a are wound over the first car return pulley 9 and lowered, second ends being fixed to the first rope fastening portion 4a.
  • ropes 12b constituting a remainder of the hoisting ropes 12 led upward from the sheave 7a are wound over the second car return pulley 10 so as to change a rope traveling direction by approximately 90 degrees (90°).
  • Embodiment 3 a machine-roomless elevator apparatus using a one-to-one (1:1) roping method enabling a car 3 to be suspended at a position of its center of gravity can also be achieved, enabling similar effects to those in Embodiment 1 above to be achieved.
  • Figure 7 is a cross section showing an elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 4 of the present invention.
  • a pair of counterweight guide rails 5a and 5b are disposed so as to extend in a vertical direction along a wall surface 1a to a side of a car guide rail 2a away from a landing in a gap between the wall surface 1a and a car 3 so as to face each other in a depth direction.
  • a counterweight 6 is raisably and lowerably disposed in a hoistway 1 so as to be guided by the counterweight guide rails 5a and 5b.
  • a hoisting machine 7 is disposed in a lower portion of the hoistway 1 so as to be positioned to a side of the car guide rail 2a near the landing in a gap between the wall surface 1a and the car 3.
  • a central axis of a sheave 7a of this hoisting machine 7 is horizontal, and is perpendicular to the side wall 1a.
  • a first counterweight return pulley 13 is disposed in an upper portion of the hoistway 1 so as to be positioned vertically above the counterweight 6 in a gap between the wall surface 1a and the car 3.
  • a rotating shaft 13a of the first counterweight return pulley 13 is parallel to a central axis of the sheave 7a.
  • a second counterweight return pulley 14 is disposed in an upper portion of the hoistway 1 in a gap between the wall surface 1a and the hoisting machine 7 such that a rotating shaft 14a is parallel to the rotating shaft 13a.
  • a first car return pulley 9 is disposed in an upper portion of a hoistway 1 so as to be positioned vertically above a sheave 7a and the first rope fastening portion 4a in a gap between a side wall 1a and the car 3.
  • a rotating shaft 9a of the first car return pulley 9 is parallel to a central axis of the sheave 7a.
  • a second car return pulley 10 is disposed in an upper portion of the hoistway 1 so as to be positioned vertically above the first car return pulley 9 in a gap between the side wall 1a and the car 3.
  • a rotating shaft 10a of the second car return pulley 10 is horizontal, and is inclined relative to the rotating shaft 9a.
  • a third car return pulley 11 is disposed in an upper portion of the hoistway 1 so as to be positioned generally vertically above the second rope fastening portion 4b in a gap between a side wall 1b and the car 3.
  • a rotating shaft 11a of the third car return pulley 11 is parallel to the rotating shaft 10a.
  • the second and third car return pulleys 10 and 11 are positioned at an equal height above the car 3 when it is at an uppermost floor, and the first car return pulley 9 is positioned below the second and third car return pulleys 10 and 11.
  • First ends of hoisting ropes 12 are fixed to a counterweight 6, led upward, then wound over the first counterweight return pulley 13 so as to change a rope traveling direction by approximately 90 degrees (90°). Thereafter, the hoisting ropes 12 are wound over the second counterweight return pulley 14, and lowered down. The hoisting ropes 12 lowered down from the second counterweight return pulley 13 are wound onto the sheave 7a, and led upward. Next, ropes 12a constituting half of the hoisting ropes 12 led upward from the sheave 7a are wound over the first car return pulley 9 and lowered, second ends being fixed to the first rope fastening portion 4a.
  • ropes 12b constituting a remainder of the hoisting ropes 12 led upward from the sheave 7a are wound over the second car return pulley 10 so as to change a rope traveling direction by approximately 90 degrees (90°). Thereafter, the ropes 12b are wound over the third car return pulley 11 and lowered, second ends being fixed to the second rope fastening portion 4b.
  • the car 3 and the counterweight 6 are suspended inside the hoistway 1 by the hoisting ropes 12 using a 1:1 roping method.
  • Embodiment 4 a machine-roomless elevator apparatus using a one-to-one (1:1) roping method enabling a car 3 to be suspended at a position of its center of gravity can also be achieved, enabling similar effects to those in Embodiment 1 above to be achieved.
  • Embodiment 4 because the first and second counterweight return pulleys 13 and 14 are positioned in the gap between the wall surface 1a and the hoisting machine 7 to avoid interference between the hoisting ropes 12 running between the first and second counterweight return pulleys 13 and 14 and the second car return sheave 10, a width dimension of the hoistway 1 is increased. However, because the counterweight 6 is disposed in the gap between the wall surface 1a and the car 3, depth dimensions of the hoistway 1 are reduced. As a result, a machine-roomless elevator apparatus using a one-to-one (1:1) roping method can be achieved without increasing the cross sectional dimensions of the hoistway 1.
  • Figure 8 is a longitudinal section showing an elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 5 of the present invention
  • Figure 9 is a cross section showing the elevator apparatus using a one-to-one (1:1) roping method according to Embodiment 5 of the present invention.
  • a hoisting machine 15 is a cylindrical hoisting machine, and is disposed in a pit portion 1d of a hoistway 1 such that a sheave 15a is positioned to a side of a car guide rail 2a away from a landing in a gap between a wall surface 1a of the hoistway 1 and a car 3.
  • a central axis of the sheave 15a is horizontal, and is perpendicular to the wall surface 1a.
  • hoisting ropes 12 are fixed to a counterweight 6, led upward, then wound over a counterweight return pulley 8, and lowered down.
  • the hoisting ropes 12 lowered down from the counterweight return pulley 8 are wound onto the sheave 15a, and led upward.
  • ropes 12a constituting half of the hoisting ropes 12 led upward from the sheave 15a are wound over the first car return pulley 9 and lowered, second ends being fixed to the first rope fastening portion 4a.
  • ropes 12b constituting a remainder of the hoisting ropes 12 led upward from the sheave 15a are wound over the second car return pulley 10 so as to change a rope traveling direction by approximately 90 degrees (90°).
  • Embodiment 5 a machine-roomless elevator apparatus using a one-to-one (1:1) roping method enabling a car 3 to be suspended at a position of its center of gravity can also be achieved, enabling similar effects to those in Embodiment 1 above to be achieved.
  • hoisting ropes 12 constituted by a plurality of synthetic fiber ropes 20 are used, but similar effects can also be achieved using hoisting ropes constituted by a plurality of small diameter, high-strength steel ropes.
  • an elevator apparatus can be used as a machine-roomless elevator apparatus using a one-to-one (1:1) roping method having a simple construction for keeping hoistway dimensions to a minimum, and reducing upper portion space in the hoistway, without aggravating noise from a hoisting machine.
EP03816249A 2003-03-10 2003-03-10 Ascenseur Withdrawn EP1602612A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/002793 WO2004080875A1 (fr) 2003-03-10 2003-03-10 Ascenseur

Publications (2)

Publication Number Publication Date
EP1602612A1 true EP1602612A1 (fr) 2005-12-07
EP1602612A4 EP1602612A4 (fr) 2009-08-05

Family

ID=32983431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03816249A Withdrawn EP1602612A4 (fr) 2003-03-10 2003-03-10 Ascenseur

Country Status (4)

Country Link
EP (1) EP1602612A4 (fr)
JP (1) JPWO2004080875A1 (fr)
CN (1) CN100341763C (fr)
WO (1) WO2004080875A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006061888A1 (fr) 2004-12-08 2006-06-15 Mitsubishi Denki Kabushiki Kaisha Câble pour ascenseur et ascenseur
EP1792868A4 (fr) * 2004-09-24 2012-01-18 Mitsubishi Electric Corp Ascenseur sans salle des machines

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005080250A1 (fr) * 2004-02-19 2005-09-01 Mitsubishi Denki Kabushiki Kaisha Ascenseur sans local de machinerie
FI118383B (fi) * 2004-11-16 2007-10-31 Kone Corp Hissin köysijärjestely
KR101238084B1 (ko) * 2008-06-06 2013-02-27 미쓰비시덴키 가부시키가이샤 엘리베이터장치
CN103072874A (zh) * 2013-01-28 2013-05-01 舒马克电梯（张家港）有限公司 一种对重后置的无机房电梯
JP5858944B2 (ja) * 2013-03-07 2016-02-10 東芝エレベータ株式会社 エレベータシステム
CN103231967B (zh) * 2013-05-08 2016-01-06 江苏阿尔法电梯有限公司 连接可靠的防震动双轮式轿顶返绳轮
CN103787175A (zh) * 2014-01-28 2014-05-14 永大电梯设备（中国）有限公司 一种1比1绕绳比的无机房电梯装置
CN104192673A (zh) * 2014-03-18 2014-12-10 永大电梯设备（中国）有限公司 一种无机房电梯装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953538A2 (fr) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Ascenseur de type tracté
WO2002022486A1 (fr) * 2000-09-12 2002-03-21 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseur

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Publication number Priority date Publication date Assignee Title
JPH1121045A (ja) * 1997-07-01 1999-01-26 Hitachi Ltd 小型エレベーターのかごの支持方法
JPH11310372A (ja) * 1998-04-28 1999-11-09 Toshiba Elevator Co Ltd エレベータ装置
KR100415749B1 (ko) * 1998-06-30 2004-01-24 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
DE69942377D1 (de) * 1999-12-06 2010-06-24 Mitsubishi Electric Corp Aufzugsvorrichtung
KR100475330B1 (ko) * 2000-08-21 2005-03-09 미쓰비시덴키 가부시키가이샤 권양용 로프
DE60043310D1 (de) 2000-08-21 2009-12-24 Mitsubishi Electric Corp Aufzugseinrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953538A2 (fr) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Ascenseur de type tracté
WO2002022486A1 (fr) * 2000-09-12 2002-03-21 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004080875A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1792868A4 (fr) * 2004-09-24 2012-01-18 Mitsubishi Electric Corp Ascenseur sans salle des machines
WO2006061888A1 (fr) 2004-12-08 2006-06-15 Mitsubishi Denki Kabushiki Kaisha Câble pour ascenseur et ascenseur
EP1820765A4 (fr) * 2004-12-08 2011-12-28 Mitsubishi Electric Corp Câble pour ascenseur et ascenseur

Also Published As

Publication number Publication date
JPWO2004080875A1 (ja) 2006-06-08
EP1602612A4 (fr) 2009-08-05
CN100341763C (zh) 2007-10-10
CN1684897A (zh) 2005-10-19
WO2004080875A1 (fr) 2004-09-23

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