WO2011039854A1 - エレベータのかご枠 - Google Patents
エレベータのかご枠 Download PDFInfo
- Publication number
- WO2011039854A1 WO2011039854A1 PCT/JP2009/067030 JP2009067030W WO2011039854A1 WO 2011039854 A1 WO2011039854 A1 WO 2011039854A1 JP 2009067030 W JP2009067030 W JP 2009067030W WO 2011039854 A1 WO2011039854 A1 WO 2011039854A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vertical column
- car
- damping member
- vertical
- guide rail
- Prior art date
Links
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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
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
- B66B11/0273—Passive systems acting between car and supporting frame
-
- 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
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/048—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes including passive attenuation system for shocks, vibrations
Definitions
- This invention relates to an elevator car frame that supports a car room.
- an elevator structure in which the car room is suspended from the upper part of the car frame via a link, and a damper is connected between the car frame and the car room to suppress the amplitude of car shake during an earthquake. ing.
- the car is less likely to be detached from the guide rail by suppressing the amplitude of the car shake during an earthquake (see Patent Document 1).
- the thickness of the guide rail that guides the car and the interval between the support brackets that support the guide rail may be adjusted to suppress the amplitude of the car shake during an earthquake. Since it is necessary to make the interval significantly smaller than the floor dimension of the building or to attach a tie bracket that suppresses the deflection of the guide rail between the support brackets, the manufacturing cost also increases in this case.
- the present invention has been made in order to solve the above-described problems, and provides an elevator car frame that can more reliably suppress the amplitude of the car sway and suppress an increase in manufacturing cost.
- the purpose is to obtain.
- the elevator car frame according to the present invention has a vertical column that faces a guide rail that guides the car, and is provided in a middle portion of the car frame main body and the vertical column that supports the car room, and between the guide rail and the vertical column.
- An intermediate stopper disposed on the vertical column, fixed to the vertical column along the longitudinal direction of the vertical column, and having a predetermined vibration damping capability, and the vibration suppression member sandwiched between the vertical column and the vibration suppression member And a reinforcing member having higher rigidity than the damping member.
- an intermediate stopper is provided at an intermediate portion of the vertical column, a vibration damping member having a predetermined vibration damping capability is fixed to the vertical column, and a reinforcing member is fixed to the vibration suppression member. Therefore, even when the car vibrates in the horizontal direction due to an earthquake or the like, for example, the increase in the car amplitude can be suppressed by the intermediate stopper hitting the guide rail. Also, when the intermediate stopper hits the guide rail and the vertical column bends, shear deformation occurs in the vibration damping member, so that the vibration damping member can exert its vibration damping function, effectively vibrating the cage in the horizontal direction. Can be attenuated.
- the amplitude of the car shake can be more reliably suppressed.
- the intermediate stopper and the damping member are fixed to the vertical column and the reinforcing member is only fixed to the damping member, an increase in manufacturing cost can be suppressed.
- FIG. 1 is a perspective view showing an elevator car according to Embodiment 1 of the present invention. It is sectional drawing along the horizontal surface II of FIG. It is a partially broken side view which shows a state when the cage
- FIG. 1 is a perspective view showing an elevator car according to Embodiment 1 of the present invention.
- 2 is a cross-sectional view taken along the horizontal plane II of FIG.
- a pair of guide rails 2 and 3 arranged along the vertical direction are installed.
- the guide rails 2 and 3 are arranged at a predetermined distance in the width direction of the hoistway.
- the guide rails 2 and 3 are supported by a plurality of rail brackets 4 that are spaced apart from each other in the vertical direction.
- Each rail bracket 4 is fixed to the inner wall 5 of the hoistway.
- the car 1 is placed between the guide rails 2 and 3.
- the car 1 is moved in the vertical direction in the hoistway along the guide rails 2 and 3 by the driving force of a driving device (not shown).
- the car 1 has a car room 6 on which passengers get on and off, and a car frame 7 that supports the car room 6. As shown in FIG. 1, the car room 6 is surrounded by a car frame body 8 included in the car frame 7.
- the car frame body 8 includes a lower frame 9 disposed horizontally below the car room 6, an upper frame 10 disposed above the car room 6, parallel to the lower frame 9, and the lower frame 9 and the upper frame 10. It has a pair of vertical pillars 11 and 12 connecting both ends.
- the car room 6 is placed on the lower frame 9. Moreover, the cab 6 is arranged between one vertical column 11 and the other vertical column 12 in the horizontal direction.
- One vertical column 11 is disposed along the vertical direction while facing one guide rail 2.
- One vertical column 11 is provided with a vertical column groove 11 a along the length direction of the one vertical column 11.
- One vertical column 11 is arranged between the car room 6 and the one guide rail 2 with the vertical column groove 11 a facing the one guide rail 2.
- the other vertical column 12 is arranged along the vertical direction while facing the other guide rail 3.
- the other vertical column 12 is provided with a vertical column groove 12 a along the length direction of the other vertical column 12.
- the other vertical column 12 is arranged between the car room 6 and the other guide rail 3 with the vertical column groove 12 a facing the other guide rail 3.
- a guide device 13 guided by one guide rail 2 is attached to each of the upper end portion and the lower end portion of one vertical column 11.
- Each guide device 13 is provided with a guide groove 14 into which a part of one guide rail 2 is inserted.
- a guide device 15 guided by the other guide rail 3 is attached to each of the upper end portion and the lower end portion of the other vertical column 12.
- Each guide device 15 is provided with a guide groove 16 into which a part of the other guide rail 3 is inserted.
- a plate-like intermediate stopper 17 that protrudes from the vertical column 11 toward the one guide rail 2 is provided at an intermediate portion of the one vertical column 11.
- the intermediate stopper 17 is disposed at a position where the distance from each of the guide devices 13 attached to the upper end portion and the lower end portion of one vertical column 11 is equal (the central position of the vertical column 11).
- the intermediate stopper 17 is fixed horizontally in the vertical column groove 11a.
- the intermediate stopper 17 is provided with a notch 18. A part of one guide rail 2 is inserted inside the notch 18 via a gap.
- a plate-like intermediate stopper 19 (FIG. 2) that protrudes from the vertical column 12 toward the other guide rail 3 is provided at the intermediate portion of the other vertical column 12.
- the intermediate stopper 19 is disposed at a position where the distance from each of the guide devices 15 attached to the upper end portion and the lower end portion of the other vertical column 12 is equal (the central position of the vertical column 12).
- the intermediate stopper 19 is fixed horizontally in the vertical column groove 12a.
- the intermediate stopper 19 is provided with a notch 20. A part of the other guide rail 3 is inserted inside the notch 20 through a gap.
- a pair of damping members 21 are fixed to one vertical column 11 along the length direction of the one vertical column 11.
- Each damping member 21 is a member having a vibration damping capability (predetermined vibration damping capability) higher than that of one vertical column 11.
- a material constituting each vibration damping member 21 for example, rubber or plastic is used.
- One vertical column 11 has each damping member in a direction (width direction of the vertical column 11) perpendicular to a common plane (vertical surface along the width direction of the car 1) including the vertical columns 11 and 12, respectively. 21.
- the length of each damping member 21 is shorter than the length of one vertical column 11.
- the intermediate stopper 17 is arranged within the range of the length of each damping member 21.
- a reinforcing member 22 having rigidity higher than that of the damping member 21 is fixed to each damping member 21 along the length direction of the damping member 21.
- a material constituting the reinforcing member 22 for example, iron or the like is used.
- the reinforcing member 22 is a rod-shaped member having a rectangular cross section.
- Each reinforcing member 22 sandwiches the damping member 21 between one vertical column 11. Thereby, one vertical pillar 11 and each damping member 21 are put together by each reinforcing member 22 in the width direction of the vertical pillar 11.
- the length of each reinforcing member 22 is the same as the length of the damping member 21.
- the vibration damping member 21 and the reinforcing member 22 are provided on one vertical column 11 as follows. That is, after supporting the reinforcing member 22 in a state of being separated from one vertical column 11 by a predetermined interval, the space between the one vertical column 11 and the reinforcing member 22 is surrounded by a mold frame, and is surrounded by the mold frame. The material of the damping member 21 is poured into the space. When the material poured into the space is solidified as the vibration damping member 21, the vibration damping member 21 and the reinforcing member 22 are provided on one vertical column 11. In this example, the damping member 21 is fixed to each of the one vertical column 11 and the reinforcing member 22 by vulcanization adhesion.
- a pair of damping members 23 are fixed to the other vertical column 12, and a reinforcing member 24 is fixed to each of the damping members 23.
- the material constituting each damping member 23 is the same as the material constituting the damping member 21 described above.
- the material constituting each reinforcing member 24 is the same as the material constituting the reinforcing member 22 described above.
- the fixing position and fixing method of the damping member 23 with respect to the other vertical column 12 are the same as the fixing position and fixing method of the damping member 21 with respect to the one vertical column 11.
- the fixing position and fixing method of the reinforcing member 24 with respect to the damping member 23 are the same as the fixing position and fixing method of the reinforcing member 22 with respect to the damping member 21.
- the car frame 7 includes a car frame main body 8, intermediate stoppers 17 and 19, vibration damping members 21 and 23, and reinforcing members 22 and 24.
- FIG. 3 is a partially broken side view showing a state when the car 1 of FIG. 1 is vibrating horizontally in the hoistway.
- FIG. 4 is a horizontal sectional view showing the elevator apparatus of FIG. The car 1 is moved while passing through the position of each rail bracket 4. Accordingly, the positions of the guide devices 13 and 15 with respect to the rail bracket 4 change as the car 1 moves.
- the one guide rail 2 applies a force in the horizontal direction to each guide. Receive from device 13. Thereby, one guide rail 2 bends at the position of each guide device 13. At this time, when the position of the rail bracket 4 is the position of the substantially central height between the guide devices 13, the distance between the position of each guide device 13 and the position of the rail bracket 4 increases. The deflection of one guide rail 2 is increased at the position of each guide device 13.
- the intermediate stopper 17 hits the one guide rail 2. Accordingly, one guide rail 2 receives a force in the horizontal direction from the intermediate stopper 17. At this time, since the rail bracket 4 is located at substantially the same height as the height of the intermediate stopper 17, one guide rail 2 is not easily bent at the position of the intermediate stopper 17. The vertical column 11 will bend. The dimension of the intermediate stopper 17 is adjusted so that each guide device 15 does not come off from the other guide rail 3 when one vertical column 11 is bent.
- each damping member 21 When one vertical column 11 bends, each damping member 21 is subjected to shear deformation while being fixed to the reinforcing member 22. When each damping member 21 is subjected to shear deformation, the vibration of the car 1 in the horizontal direction is attenuated by the vibration damping function of each damping member 21.
- FIG. 5 is a horizontal sectional view showing a state in which the intermediate stopper 19 is in contact with the other guide rail 3 of FIG. Even when the car 1 vibrates toward the other guide rail 3 and the intermediate stopper 19 hits the other guide rail 3, each car 1 vibrates toward the one guide rail 2 as in the above case.
- the vibration of the car 1 in the horizontal direction is damped by the vibration damping function of the damping member 23.
- the dimension of the intermediate stopper 19 is also adjusted so that each guide device 13 does not come off from one guide rail 2 when the other vertical column 12 is bent.
- intermediate stoppers 17 and 19 are provided in the middle of the vertical columns 11 and 12, and damping members 21 and 23 having a predetermined vibration damping capability are fixed to the vertical columns 11 and 12.
- the intermediate stoppers 17 and 19 are connected to the guide rails 2 even when the car 1 vibrates in the horizontal direction due to, for example, an earthquake. , 3 can suppress an increase in the amplitude of the car 1.
- the vibration damping members 21 and 23 are sheared, so that the vibration damping members 21 and 23 exhibit a vibration damping function.
- the vibration of the car 1 in the horizontal direction can be effectively damped. For this reason, the amplitude of the car shake can be more reliably suppressed, and the guide devices 13 and 15 can be prevented from being detached from the guide rails 2 and 3. Further, since the intermediate stoppers 17 and 19 and the damping members 21 and 23 are fixed to the vertical columns 11 and 12 and the reinforcing members 22 and 24 are only fixed to the damping members 21 and 23, an increase in manufacturing cost is suppressed. You can also.
- the intermediate stoppers 17 and 19 are provided with notches 18 and 20 in which part of the guide rails 2 and 3 are inserted through a gap, the vibration of the car 1 in the width direction of the hoistway is provided. In addition, the vibration of the car 1 in the depth direction of the hoistway can be effectively suppressed.
- FIG. FIG. 6 is a perspective view showing an elevator car according to Embodiment 2 of the present invention.
- FIG. 7 is a cross-sectional view taken along the horizontal plane VII of FIG.
- one vertical column 11 is provided with a plurality (four in this example) of fastening devices 31 that regulate the positions of the damping member 21 and the reinforcing member 22 with respect to the one vertical column 11.
- two fastening devices 31 regulate the positions of the damping member 21 and the reinforcing member 22 provided on one side surface of the vertical column 11, and the remaining two fastening devices. 31 regulates the positions of the damping member 21 and the reinforcing member 22 provided on the other side surface of the vertical column 11.
- Each fastening device 31 is provided at a predetermined position in the longitudinal direction of one vertical column 11.
- the distance from the guide device 13 attached to the upper end portion of the vertical column 11 is equal to the distance from the intermediate stopper 17, and the guide device 13 attached to the lower end portion of the vertical column 11.
- a fastening device 31 is provided at each position where the distance and the distance from the intermediate stopper 17 are equal.
- the other vertical column 12 is provided with a plurality (four in this example) of fastening devices 32 that regulate the positions of the vibration damping member 23 and the reinforcing member 24 with respect to the other vertical column 12.
- a plurality four in this example
- two fastening devices 32 regulate the positions of the damping member 23 and the reinforcing member 24 provided on one side surface of the vertical column 12, and the remaining two fastening devices. 32 regulates the positions of the damping member 23 and the reinforcing member 24 provided on the other side surface of the vertical column 12.
- Each fastening device 32 is provided at a predetermined position in the length direction of the other vertical column 12.
- the distance from the guide device 15 attached to the upper end portion of the vertical column 12 is equal to the distance from the intermediate stopper 19, and the guide device 15 attached to the lower end portion of the vertical column 12.
- a fastening device 32 is provided at each position where the distance and the distance from the intermediate stopper 19 are equal.
- Each fastening device 31 has a bolt 33 and a nut 34 screwed into the bolt 33 as shown in FIG.
- the bolt 33 is passed through the reinforcing member 22, the damping member 21, and the one vertical column 11 in this order, and protrudes into the vertical column groove 11 a.
- the nut 34 is screwed to the bolt 33 in the vertical column groove 11a.
- the reinforcing member 22, the damping member 21, and the one vertical column 11 are fastened between the head of the bolt 33 and the nut 34.
- Each fastening device 32 has a bolt 35 and a nut 36 screwed into the bolt 35.
- the bolt 35 is passed through the reinforcing member 24, the vibration damping member 23, and the other vertical column 12 in this order, and protrudes into the vertical column groove 12a.
- the nut 36 is screwed to the bolt 35 in the vertical column groove 12a.
- the reinforcing member 24, the vibration damping member 23, and the other vertical column 12 are tightened between the head of the bolt 35 and the nut 36.
- Other configurations are the same as those in the first embodiment.
- the positions of the damping members 21, 23 and the reinforcing members 22, 24 with respect to the vertical columns 11, 12 are regulated by the fastening devices 31, 32. Even if 23 is peeled off from the vertical pillars 11 and 12, or the reinforcing members 22 and 24 are peeled off from the vibration damping members 21 and 23, the vibration damping members 21 and 23 and the reinforcing members 22 and 24 are 12 can be prevented from falling off. Further, the displacement of the damping members 21 and 23 and the reinforcing members 22 and 24 with respect to the vertical columns 11 and 12 is restricted at the positions of the fastening devices 31 and 32, thereby further improving the vibration damping capability of the damping members 21 and 23. It can be made easy to show.
- the intermediate stoppers 17 and 19 are disposed at positions where the distances between the vertical columns 11 and 12 and the guide devices 13 and 15 attached to the lower ends are equal.
- the present invention is not limited to this, and it is sufficient that the intermediate stoppers 17 and 19 are disposed within a certain range in the intermediate portion of the vertical columns 11 and 12.
- the notches 18 and 20 are provided in the intermediate stoppers 17 and 19, but the notches 18 and 20 may be omitted. Therefore, for example, the intermediate stoppers 17 and 19 may be rectangular plates.
- the cross-sectional shape of the reinforcement members 22 and 24 is a rectangular shape, it is not limited to this,
- the cross-sectional shape of the reinforcement members 22 and 24 is L shape, U shape, etc. It is good.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
実施の形態1.
図1は、この発明の実施の形態1によるエレベータのかごを示す斜視図である。また、図2は、図1の水平面IIに沿った断面図である。昇降路内には、図2に示すように、上下方向に沿って配置された一対のガイドレール2,3が設置されている。各ガイドレール2,3は、昇降路の幅方向について所定の距離だけ離して配置されている。また、各ガイドレール2,3は、上下方向へ互いに間隔を置いて配置された複数のレールブラケット4に支持されている。各レールブラケット4は、昇降路の内壁5に固定されている。
図6は、この発明の実施の形態2によるエレベータのかごを示す斜視図である。また、図7は、図6の水平面VIIに沿った断面図である。図において、一方の縦柱11には、一方の縦柱11に対する制振部材21及び補強部材22の位置を規制する複数(この例では、4つ)の締結装置31が設けられている。この例では、4つの締結装置31のうち、2つの締結装置31が、縦柱11の一方の側面に設けられた制振部材21及び補強部材22の位置を規制し、残りの2つの締結装置31が、縦柱11の他方の側面に設けられた制振部材21及び補強部材22の位置を規制している。
Claims (2)
- かごを案内するガイドレールに対向する縦柱を有し、かご室を支持するかご枠本体、
上記縦柱の中間部に設けられ、上記ガイドレールと上記縦柱との間に配置された中間ストッパ、
上記縦柱の長さ方向に沿って上記縦柱に固定され、所定の振動減衰能力を持つ制振部材、及び
上記縦柱との間で上記制振部材を挟み、かつ上記制振部材に固定され、上記制振部材よりも高い剛性を持つ補強部材
を備えていることを特徴とするエレベータのかご枠。 - 上記制振部材、上記補強部材及び上記縦柱に通されたボルトの頭部と、上記ボルトに螺合されたナットとの間で、上記制振部材、上記補強部材及び上記縦柱が締め付けられていることを特徴とする請求項1に記載のエレベータのかご枠。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127005699A KR20120041243A (ko) | 2009-09-30 | 2009-09-30 | 엘리베이터의 엘리베이터칸 프레임 |
PCT/JP2009/067030 WO2011039854A1 (ja) | 2009-09-30 | 2009-09-30 | エレベータのかご枠 |
EP09850045A EP2484623A1 (en) | 2009-09-30 | 2009-09-30 | Elevator car frame |
JP2011533993A JPWO2011039854A1 (ja) | 2009-09-30 | 2009-09-30 | エレベータのかご枠 |
CN200980160957XA CN102471026A (zh) | 2009-09-30 | 2009-09-30 | 电梯的轿厢架 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/067030 WO2011039854A1 (ja) | 2009-09-30 | 2009-09-30 | エレベータのかご枠 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011039854A1 true WO2011039854A1 (ja) | 2011-04-07 |
Family
ID=43825709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/067030 WO2011039854A1 (ja) | 2009-09-30 | 2009-09-30 | エレベータのかご枠 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2484623A1 (ja) |
JP (1) | JPWO2011039854A1 (ja) |
KR (1) | KR20120041243A (ja) |
CN (1) | CN102471026A (ja) |
WO (1) | WO2011039854A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019199364A (ja) * | 2018-05-16 | 2019-11-21 | オーチス エレベータ カンパニーOtis Elevator Company | エレベータシステムのエレベータかご |
WO2022003979A1 (ja) * | 2020-07-03 | 2022-01-06 | 三菱電機株式会社 | エレベーターの昇降体の変位抑制装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5951038B2 (ja) * | 2012-10-22 | 2016-07-13 | 三菱電機株式会社 | エレベータの吊り車装置 |
WO2019038810A1 (ja) * | 2017-08-21 | 2019-02-28 | 三菱電機株式会社 | エレベータ用かご枠装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5277344A (en) * | 1975-12-24 | 1977-06-29 | Mitsubishi Electric Corp | Cage frame of elevator |
JPS5422762U (ja) * | 1977-07-18 | 1979-02-14 | ||
JPS54131235A (en) | 1978-03-31 | 1979-10-12 | Toshiba Corp | Earthquake-proof elevator structure |
JPS5520369U (ja) * | 1978-07-26 | 1980-02-08 | ||
JPS5633377A (en) * | 1979-08-22 | 1981-04-03 | Hitachi Ltd | Vibrationnproof device for elevator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5295400U (ja) * | 1976-01-14 | 1977-07-16 | ||
FI884380A (fi) * | 1988-09-23 | 1990-03-24 | Kone Oy | Foerfarande och anordning foer daempandet av vibrationer i en hisskorg. |
SG126045A1 (en) * | 2005-03-24 | 2006-10-30 | Inventio Ag | Elevator with vertical vibration compensation |
-
2009
- 2009-09-30 WO PCT/JP2009/067030 patent/WO2011039854A1/ja active Application Filing
- 2009-09-30 KR KR1020127005699A patent/KR20120041243A/ko not_active Application Discontinuation
- 2009-09-30 EP EP09850045A patent/EP2484623A1/en not_active Withdrawn
- 2009-09-30 JP JP2011533993A patent/JPWO2011039854A1/ja not_active Ceased
- 2009-09-30 CN CN200980160957XA patent/CN102471026A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5277344A (en) * | 1975-12-24 | 1977-06-29 | Mitsubishi Electric Corp | Cage frame of elevator |
JPS5422762U (ja) * | 1977-07-18 | 1979-02-14 | ||
JPS54131235A (en) | 1978-03-31 | 1979-10-12 | Toshiba Corp | Earthquake-proof elevator structure |
JPS5520369U (ja) * | 1978-07-26 | 1980-02-08 | ||
JPS5633377A (en) * | 1979-08-22 | 1981-04-03 | Hitachi Ltd | Vibrationnproof device for elevator |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019199364A (ja) * | 2018-05-16 | 2019-11-21 | オーチス エレベータ カンパニーOtis Elevator Company | エレベータシステムのエレベータかご |
US11214464B2 (en) | 2018-05-16 | 2022-01-04 | Otis Elevator Company | Elevator seismic performance apparatus |
JP7347957B2 (ja) | 2018-05-16 | 2023-09-20 | オーチス エレベータ カンパニー | エレベータシステムのエレベータかご |
WO2022003979A1 (ja) * | 2020-07-03 | 2022-01-06 | 三菱電機株式会社 | エレベーターの昇降体の変位抑制装置 |
JPWO2022003979A1 (ja) * | 2020-07-03 | 2022-01-06 | ||
JP7327670B2 (ja) | 2020-07-03 | 2023-08-16 | 三菱電機株式会社 | エレベーターの昇降体の変位抑制装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20120041243A (ko) | 2012-04-30 |
CN102471026A (zh) | 2012-05-23 |
JPWO2011039854A1 (ja) | 2013-02-21 |
EP2484623A1 (en) | 2012-08-08 |
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