EP1520830B1 - Elevator device - Google Patents

Elevator device Download PDF

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Publication number
EP1520830B1
EP1520830B1 EP02741444A EP02741444A EP1520830B1 EP 1520830 B1 EP1520830 B1 EP 1520830B1 EP 02741444 A EP02741444 A EP 02741444A EP 02741444 A EP02741444 A EP 02741444A EP 1520830 B1 EP1520830 B1 EP 1520830B1
Authority
EP
European Patent Office
Prior art keywords
hoistway
sheave
rope
car
return
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
EP02741444A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1520830A4 (en
EP1520830A1 (en
Inventor
Naoki Hashiguchi
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 EP1520830A1 publication Critical patent/EP1520830A1/en
Publication of EP1520830A4 publication Critical patent/EP1520830A4/en
Application granted granted Critical
Publication of EP1520830B1 publication Critical patent/EP1520830B1/en
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
    • 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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/08—Driving gear ; Details thereof, e.g. seals 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables

Definitions

  • the present invention relates to an elevator apparatus from which a machine room is omitted, and particularly to an elevator apparatus in which a hoisting machine is disposed in a gap between a wall of a hoistway and a car.
  • An elevator apparatus according to the preamble of claim 1 is already known i.e. from EP-A-1057771 .
  • Figure 9 is a lateral cross section showing a conventional elevator apparatus
  • Figure 10 is an enlargement of Portion A in Figure 9
  • Figure 11 is a longitudinal section showing the conventional elevator apparatus.
  • a length direction of a hoistway (a direction perpendicular to the surface of the page in Figure 9 ) shall be referred to as “the vertical direction”
  • a front-back direction of the hoistway (left-right in Figure 9 ) shall be referred to as “the depth direction”
  • a width direction of the hoistway (up-down in Figure 9 ) shall be referred to as "the lateral direction”.
  • a hoisting machine 1 is constituted by a motor portion 2, and a drive sheave 3 fixed to a rotating shaft of the motor portion 2, being constructed into a disk shape that is generally flat in an axial direction of the rotating shaft of the motor portion 2.
  • the hoisting machine 1 is mounted in a gap between a car 5 and a rear wall surface in a lower portion of a hoistway 4 with the rotating shaft of the motor portion 2 aligned in the depth direction.
  • the car 5 is raisably disposed so as to be guided by a pair of car guide rails 6 disposed so as to extend in the vertical direction on right and left wall surfaces of the hoistway 4.
  • the car 5 is disposed inside the hoistway 4 with car doors 5a facing the front of the hoistway 4.
  • a pair of car suspension sheaves 7a and 7b are mounted to generally central portions in the depth direction of left and right edge portions of the lower end of the car 5 so as to be rotatable around shafts having axes aligned in the depth direction.
  • a counterweight 8 is raisably disposed so as to be guided by a pair of counterweight guide rails 9 disposed so as to extend in the vertical direction on a rear wall surface of the hoistway 4.
  • a counterweight deflection pulley 10 is mounted to an upper portion of the counterweight 8 so as to be rotatable around a shaft having an axis aligned in the depth direction.
  • First and second return sheaves 11 and 12 are mounted in an upper portion of the hoistway 4 so as to be rotatable around shafts having axes aligned in the lateral direction.
  • the first and second return sheaves 11 and 12 are disposed so as to line up in the depth direction behind the car suspension sheave 7a in a gap B between the car 5 and a left side wall surface of the hoistway 4.
  • a third return sheave 13 is mounted in an upper portion of the hoistway 4 in a gap S between the car 5 and a rear wall surface of the hoistway 4 so as to be rotatable around a shaft having an axis aligned in the depth direction.
  • the third return sheave 13 is disposed between the counterweight deflection pulley 10 and the drive sheave 3 when viewed from above.
  • hoisting ropes 14 are fixed to a ceiling of the hoistway 4.
  • the hoisting ropes 14 are lowered from the ceiling, are passed through the car suspension sheave 7b, pass under the car 5, are passed through the car suspension sheave 7a, and are then raised to the second return sheave 12.
  • the hoisting ropes 14 are passed through the second return sheave 12 and the first return sheave 11, and are then lowered to the drive sheave 3.
  • the hoisting ropes 14 are passed through the drive sheave 3 and then raised to the third return sheave 13.
  • the hoisting ropes 14 are passed through the third return sheave 13, and are lowered to the counterweight deflection pulley 10, are passed through the counterweight deflection pulley 10, and are then raised and the other ends are fixed to the ceiling.
  • the motor portion 2 of the hoisting machine 1 is activated and controlled by a control apparatus (not shown), driving the drive sheave 3 to rotate.
  • a control apparatus (not shown), driving the drive sheave 3 to rotate.
  • the hoisting ropes 14 are moved by the drive sheave 3, and the car 5 and the counterweight 8 are guided by the car guide rails 6 and the counterweight guide rails 9 to ascend and descend inside the hoistway 4.
  • the hoisting ropes 14 are constituted by a first rope 14a, a second rope 14b, and a third rope 14c.
  • the drive sheave 3 and the first return sheave 11 have a thickness h0, and are each formed with three rope grooves 3a to 3c and 11a to 11c at a pitch p0 for accommodating each of the first to third ropes 14a, 14b, and 14c.
  • the rope grooves 3b and 11b are positioned in a central portion in a thickness direction of the drive sheave 3 and the first return sheave 11.
  • the drive sheave 3 and the first return sheave 11 are disposed such that the rope grooves are perpendicular to each other, and end portions of the rope grooves 3b and 11b are aligned in the vertical direction.
  • directions of alignment of the rope grooves 3a to 3c and 11a to 11c of the drive sheave 3 and the first return sheave 11 are aligned with the axes of the drive sheave 3 and the first return sheave 11, respectively, and also aligned with the rope alignment directions of the drive sheave 3 and the first return sheave 11.
  • three rope grooves for accommodating the first to third ropes 14a, 14b, and 14c are also formed at a pitch of p0 on each of the second and third return sheaves 12 and 13, the car suspension sheaves 7a and 7b, and the counterweight deflection pulley 10.
  • the first and second return sheaves 11 and 12 are disposed with their rope grooves aligned with each other.
  • the drive sheave 3, the third return sheave 13, and the counterweight deflection pulley 10 are also disposed with their rope grooves aligned with each other.
  • the car suspension sheaves 7a and 7b are disposed with their rope grooves aligned with each other, and the car suspension sheave 7a and the second return sheave 12 are disposed with their rope grooves perpendicular to each other.
  • the first rope 14a leaves the rope groove 3a of the drive sheave 3, then extends upward with a predetermined inclination relative to the vertical direction and transfers to the rope groove 11a of the first return sheave 11
  • the second rope 14b leaves the rope groove 3b of the drive sheave 3
  • the third rope 14c leaves the rope groove 3c of the drive sheave 3 then extends upward with a predetermined inclination relative to the vertical direction and transfers to the rope groove 11c of the first return sheave 11.
  • the direction of alignment of the first to third ropes 14a to 14c of the hoisting ropes 14 is changed by 90 degrees.
  • the pitch p0 of the rope grooves 3a to 3c and 11a to 11c is set such that the gap ⁇ 0 is greater than or equal to 1 mm.
  • the thickness h0 of the drive sheave 3 and the first return sheave 11 is determined by the pitch p0 of the rope grooves 3a to 3c and 11a to 11c.
  • the gap B in the hoistway 4 is defined by the car 5, the car guide rails 6, and mounting members (not shown) such as rail brackets for mounting the car guide rails 6 to hoistway wall surfaces, etc.
  • one disadvantage has been that the thickness H of the hoisting machine 1 is smallest when the pitch p0 is such that the gap ⁇ 0 is 1 mm, and the gap S cannot be reduced any further than this, preventing scaling down of the hoistway cross section, thereby increasing construction costs.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus enabling construction costs to be reduced by making a rope groove pitch of a return sheave connected to a drive sheave by means of hoisting ropes for changing a rope alignment direction of the hoisting ropes larger than a rope groove pitch of the drive sheave to enable reductions in the thickness of the drive sheave and reduce a gap between a car and a wall surface of a hoistway.
  • an elevator apparatus including:
  • Figure 1 is a horizontal cross section showing an elevator apparatus according to Embodiment 1 of the present invention
  • Figure 2 is an enlargement of Portion A in Figure 1 .
  • portions identical to or corresponding to those in the conventional elevator apparatus will be given the same numbering, and explanation thereof will be omitted.
  • a hoisting machine 20 is constituted by a motor portion 2, and a drive sheave 21 fixed to a rotating shaft of the motor portion 2, being constructed into a disk shape that is generally flat in an axial direction of the rotating shaft of the motor portion 2.
  • the hoisting machine 20 is mounted to a rear wall surface in a lower portion of a hoistway 4 with the rotating shaft of the motor portion 2 aligned in the depth direction.
  • the drive sheave 21 is formed to a thickness h1, and three rope grooves 21a to 21c for accommodating first to third ropes 14a, 14b, and 14c, respectively, are formed at a pitch p1.
  • a first return sheave 22 is formed to a thickness h2 (> h0), and three rope grooves 22a to 22c for accommodating the first to third ropes 14a, 14b, and 14c, respectively, are formed at a pitch p2 (p2 > p0).
  • the rope grooves 21b and 22b are positioned in a central portion in a thickness direction of the drive sheave 21 and the first return sheave 22, respectively.
  • the drive sheave 21 and the first return sheave 22 are disposed such that the rope grooves are perpendicular to each other, and end portions of the rope grooves 21b and 22b are aligned in the vertical direction.
  • the first and second return sheaves 22 and 12 are disposed with their rope grooves aligned with each other and the drive sheave 21 and a third return sheave 13 are also disposed with their rope grooves aligned with each other.
  • the first rope 14a leaves the rope groove 21a of the drive sheave 21, then extends upward with a predetermined inclination relative to the vertical direction and transfers to the rope groove 22a of the first return sheave 22
  • the second rope 14b leaves the rope groove 21b of the drive sheave 21, then extends directly upward and transfers to the rope groove 22b of the first return sheave 22
  • the third rope 14c leaves the rope groove 21c of the drive sheave 21, then extends upward with a predetermined inclination relative to the vertical direction and transfers to the rope groove 22c of the first return sheave 22.
  • the rope alignment direction of the hoisting ropes 14 is changed by 90 degrees.
  • the pitches p1 and p2 of the rope grooves 21a to 21c and 22a to 22c are set such that the gap ⁇ between the first to third ropes 14a to 14c is greater than or equal to 1 mm.
  • Embodiment 1 because the rope groove pitch p2 of the first return sheave 22 is greater than the rope groove pitch p0 of the first return sheave 11 in the conventional device, as shown in Figure 3 , the gap ⁇ 1 between the ropes when the rope groove pitch of the drive sheave 21 is p0 is greater than the gap ⁇ 0 between the ropes in the conventional device. In other words, if the gap ⁇ between the ropes in Embodiment 1 is equal to the gap ⁇ 0 between the ropes in the conventional device, the rope groove pitch p1 of the drive sheave 21 is less than p0. Thus, the thickness h1 of the drive sheave 21, which is dependent on the rope groove pitch, is thinner than the thickness h0 of the conventional drive sheave 3.
  • the thickness H of the hoisting machine 1 is (h + h1) and can be made thinner by (h0 - h1) compared to the conventional device, scaling down of the gap S in the hoistway 4 is made possible.
  • the hoistway cross section can be reduced, enabling reductions in construction costs.
  • the gap B in which the first return sheave 22 is disposed is defined by each of the dimensions of the car 5, the car guide rails 6, and mounting members (not shown) such as rail brackets for mounting the car guide rails 6 to hoistway wall surfaces, etc. Since this gap B is large compared to the thickness h2 of the first return sheave 22, the thickness h2 of the first return sheave 22 can be brought close to the gap B.
  • the thickness h2 of the first return sheave 22 is maximized within a range that does not exceed the gap B (a range that does not hinder the raising and lowering operation of the car 5)
  • the rope groove pitch p2 of the first return sheave 22 is maximized, enabling the rope groove pitch, and therefore the thickness, of the drive sheave 21, to be minimized.
  • the thickness of the hoisting machine 20 is minimized, enabling the gap S to be minimized.
  • FIG. 4 is an enlargement showing part of an elevator apparatus according to Embodiment 2 of the present invention.
  • a drive sheave 21A of a hoisting machine 20A is formed to a thickness h3, and three rope grooves 21a to 21c for accommodating first to third ropes 14a, 14b, and 14c, respectively, are formed at a pitch p3.
  • the hoisting machine 20A is mounted to a rear wall surface in a lower portion of a hoistway 4 with a rotating shaft of a motor portion 2 aligned in the depth direction.
  • the first return sheave 22 is disposed such that an angle ⁇ formed between the direction of alignment of the rope grooves of the first return sheave 22 and the direction of alignment of the rope grooves of the drive sheave 21A is an acute angle ( ⁇ ⁇ 90 degrees), and an end portion of the rope groove 22b is aligned with an end portion of the rope groove 21b in the vertical direction.
  • the gap ⁇ 2 between the ropes in the transition portion where the rope alignment direction changes when the rope groove pitch of the drive sheave 21A is p1 is greater than the gap ⁇ 0 between the ropes in Embodiment 1 above.
  • the rope groove pitch p3 of the drive sheave 21A is less than p1.
  • the thickness H of the hoisting machine 20A is (h + h3) and can be made thinner by (h1 - h3) compared to Embodiment 1 above, further scaling down of the gap S in the hoistway 4 is made possible.
  • the hoistway cross section can be reduced, further enabling reductions in construction costs.
  • the rope grooves of the first return sheave 22 can be inclined relative to the depth direction of the hoistway 4 within a range that does not exceed the gap B (a range that does not hinder the raising and lowering operation of the car 5).
  • the rope grooves of the first return sheave 22 are inclined to a maximum relative to the depth direction of the hoistway 4, the rope groove pitch, and therefore the thickness, of the drive sheave 21A can be minimized.
  • Figure 6 is a horizontal cross section showing an elevator apparatus according to Embodiment 3 of the present invention
  • Figure 7 is a longitudinal section showing the elevator apparatus according to Embodiment 3 of the present invention.
  • a car deflection pulley 23 is mounted to a generally central portion of an upper portion of a car 5 so as to be rotatable around a shaft having an axis aligned in the depth direction.
  • First and second return sheaves 22 and 12 are mounted in an upper portion of the hoistway 4 so as to be rotatable around shafts having axes aligned in the lateral direction.
  • the first and second return sheaves 22 and 12 are disposed so as to line up in the depth direction behind the car deflection pulley 23.
  • the drive sheave 21 and the first return sheave 22 are disposed such that the rope grooves are perpendicular to each other, and end portions of the rope grooves 21b and 22b are aligned in the vertical direction.
  • the rope grooves 21b and 22b are positioned in a central portion in a thickness direction of the drive sheave 21 and the first return sheave 22.
  • hoisting ropes 14 are fixed to a ceiling of the hoistway 4.
  • the hoisting ropes 14 are lowered from the ceiling, are passed through the car deflection pulley 23, and are then raised to the second return sheave 12.
  • the hoisting ropes 14 are passed through the second return sheave 12 and the first return sheave 22, and are then lowered to the drive sheave 21.
  • the hoisting ropes 14 are passed through the drive sheave 21 and then raised to the third return sheave 13.
  • the hoisting ropes 14 are passed through the third return sheave 13, and are lowered to the counterweight deflection pulley 10, are passed through the counterweight deflection pulley 10, and are then raised, and the other ends are fixed to the ceiling.
  • the motor portion 2 of the hoisting machine 1 is activated and controlled by a control apparatus (not shown), driving the drive sheave 21 to rotate.
  • a control apparatus (not shown), driving the drive sheave 21 to rotate.
  • the hoisting ropes 14 are moved by the drive sheave 21, and the car 5 and the counterweight 8 are guided by the car guide rails 6 and the counterweight guide rails 9 to ascend and descend inside the hoistway 4.
  • Embodiment 3 because the rope groove pitch p2 of the first return sheave 22 is greater than the rope groove pitch p1 of the drive sheave 21, the gap ⁇ between the ropes is maintained at ⁇ 0 in the transition portion where the rope alignment direction changes when the hoisting ropes 14 transfer from the drive sheave 21 to the first return sheave 22, also enabling the thickness of the drive sheave 21 to be made thinner than that of the conventional drive sheave 3.
  • the thickness of the hoisting machine 20 can be minimized by making the gap ⁇ 1 mm.
  • Figure 8 is a horizontal cross section showing an elevator apparatus according to Embodiment 4 of the present invention.
  • a hoisting machine 20 is mounted in an upper portion of a hoistway 4 with the rotating shaft of a motor portion 2 aligned in the vertical direction.
  • a first return sheave 22 is mounted in an upper portion of the hoistway 4 so as to be rotatable around a shaft having an axis aligned horizontally.
  • the first return sheave 22 is disposed between the hoisting machine 20 and a car suspension sheave 7a.
  • a second return sheave 24 is formed to a thickness h2, and is mounted in an upper portion of the hoistway 4 so as to be rotatable around a shaft having an axis aligned horizontally.
  • the second return sheave 24 is disposed between the hoisting machine 20 and a counterweight deflection pulley 10.
  • the second return sheave 24 has three rope grooves for accommodating first to third ropes 14a, 14b, and 14c, respectively, formed at a pitch of p2.
  • the drive sheave 21 and the first return sheave 22 are disposed such that the directions of alignment of the rope grooves are perpendicular to each other.
  • the drive sheave 21 and the second return sheave 24 are similarly disposed such that the directions of alignment of the rope grooves are perpendicular to each other.
  • hoisting ropes 14 are fixed to a ceiling of the hoistway 4.
  • the hoisting ropes 14 are lowered from the ceiling, are passed through the counterweight deflection pulley 10, and are then raised to the second return sheave 24.
  • the hoisting ropes 14 are passed through the second return sheave 24, changed in direction, and are then extended to the drive sheave 21.
  • the hoisting ropes 14 are passed through the drive sheave 21, changed in direction, and then extended to the first return sheave 22.
  • the hoisting ropes 14 are passed through the first return sheave 22, and are then lowered to the car suspension sheave 7a.
  • the hoisting ropes 14 are passed through the car suspension sheaves 7a and 7b, and are then raised, and the other ends are fixed to the ceiling.
  • the direction of alignment of the first to third ropes 14a to 14c of the hoisting ropes 14 is changed by 90 degrees as the hoisting ropes 14 transfer from the second return sheave 24 to the drive sheave 21, and as the hoisting ropes 14 transfer from the drive sheave 21 to the first return sheave 22.
  • the rope groove pitch of the first return sheave 22 and the second return sheave 24 is formed to p2 (> p0)
  • the rope groove pitch of the drive sheave 21 can be made p1 ( ⁇ p0) in a similar manner to Embodiment 1 above.
  • the gap ⁇ between the ropes is maintained at ⁇ 0 in the transition portion where the rope alignment direction changes when the hoisting ropes 14 transfer from the drive sheave 21 to the first return sheave 22, and the gap ⁇ between the ropes is maintained at ⁇ 0 in the transition portion where the rope alignment direction changes when the hoisting ropes 14 transfer from the second return sheave 24 to the drive sheave 21, enabling the thickness of the drive sheave 21 to be made thinner than that of the conventional drive sheave 3. Consequently, according to Embodiment 4, the thickness of the hoisting machine 20 can be reduced, enabling a gap between the car 5 and the ceiling of the hoistway 4 can be reduced, thereby enabling reductions in construction costs.
  • the thickness of the hoisting machine 20 can also be minimized by making the gap ⁇ 1 mm.
  • first return sheave and the drive sheave are not limited to the arrangements in each of the above embodiments provided that they are disposed such that the rope alignment direction of the hoisting ropes can be changed.
  • the present invention is not limited to the roping methods in each of the above embodiments and may also be applied to other roping methods.
  • the hoisting ropes 14 explained as being constituted by three ropes, but the number of ropes constituting the hoisting ropes is not limited to three, provided that it is a plural number, and may also be four, for example.
  • an elevator apparatus including:
  • the hoisting machine may be mounted to a rear wall surface in a depth direction of the hoistway, enabling a gap between the car and the rear wall surface of the hoistway to be reduced, thereby making scaling down of the hoistway cross section possible.
  • the car may be raisably disposed so as to be guided by guide rails extending in a vertical direction mounted by mounting members to both side wall surfaces in a width direction of the hoistway, gaps between the car and the side wall surfaces of the hoistway being formed to minimum dimensions determined by the car, the guide rails, and the mounting members, and the return sheave being disposed in a gap between the car and one side wall surface of the hoistway so as to be rotatable around a horizontal axis, enabling the thickness of the return sheave to be brought close to the dimensions of the gap between the car and one side wall surface of the hoistway within a range that does not hinder the raising and lowering operation of the car, thereby making further scaling down of the hoistway cross section possible.
  • the hoisting machine may be mounted to a ceiling of the hoistway, enabling a gap between the car and the ceiling of the hoistway to be reduced, making reductions in the height of the hoistway possible, and thereby enabling construction costs to be reduced.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP02741444A 2002-07-08 2002-07-08 Elevator device Expired - Lifetime EP1520830B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/006902 WO2004005177A1 (ja) 2002-07-08 2002-07-08 エレベータ装置

Publications (3)

Publication Number Publication Date
EP1520830A1 EP1520830A1 (en) 2005-04-06
EP1520830A4 EP1520830A4 (en) 2010-05-26
EP1520830B1 true EP1520830B1 (en) 2012-06-13

Family

ID=30022627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02741444A Expired - Lifetime EP1520830B1 (en) 2002-07-08 2002-07-08 Elevator device

Country Status (5)

Country Link
EP (1) EP1520830B1 (ja)
JP (1) JP4170290B2 (ja)
KR (1) KR100551616B1 (ja)
CN (1) CN1251954C (ja)
WO (1) WO2004005177A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4771705B2 (ja) * 2005-01-25 2011-09-14 東芝エレベータ株式会社 エレベータのシーブ装置
KR101077326B1 (ko) * 2007-06-01 2011-10-26 미쓰비시덴키 가부시키가이샤 엘리베이터 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834862U (ja) * 1981-08-31 1983-03-07 三菱電機株式会社 ベ−スメント式エレベ−タ
JPH0761745A (ja) * 1993-08-18 1995-03-07 Otis Elevator Co 巻き上げ式エレベーター
JP4191331B2 (ja) * 1999-01-08 2008-12-03 三菱電機株式会社 エレベーター装置
JP4200603B2 (ja) * 1999-06-03 2008-12-24 三菱電機株式会社 エレベーター装置
WO2001042121A1 (fr) * 1999-12-06 2001-06-14 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseur

Also Published As

Publication number Publication date
KR20040083054A (ko) 2004-09-30
KR100551616B1 (ko) 2006-02-13
JP4170290B2 (ja) 2008-10-22
EP1520830A4 (en) 2010-05-26
JPWO2004005177A1 (ja) 2005-11-10
CN1582251A (zh) 2005-02-16
EP1520830A1 (en) 2005-04-06
CN1251954C (zh) 2006-04-19
WO2004005177A1 (ja) 2004-01-15

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