WO2021117144A1 - Patin de porte pour ascenseur - Google Patents

Patin de porte pour ascenseur Download PDF

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Publication number
WO2021117144A1
WO2021117144A1 PCT/JP2019/048330 JP2019048330W WO2021117144A1 WO 2021117144 A1 WO2021117144 A1 WO 2021117144A1 JP 2019048330 W JP2019048330 W JP 2019048330W WO 2021117144 A1 WO2021117144 A1 WO 2021117144A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow path
door
sliding portion
door shoe
elevator door
Prior art date
Application number
PCT/JP2019/048330
Other languages
English (en)
Japanese (ja)
Inventor
哲朗 橋爪
雅哉 安部
慧 上西
Original Assignee
三菱電機ビルテクノサービス株式会社
三菱電機株式会社
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 三菱電機ビルテクノサービス株式会社, 三菱電機株式会社 filed Critical 三菱電機ビルテクノサービス株式会社
Priority to PCT/JP2019/048330 priority Critical patent/WO2021117144A1/fr
Priority to JP2020522401A priority patent/JP6733855B1/ja
Priority to CN201980102542.0A priority patent/CN114787070B/zh
Publication of WO2021117144A1 publication Critical patent/WO2021117144A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates

Definitions

  • the present invention relates to an elevator door shoe.
  • Patent Document 1 discloses an example of an elevator door shoe.
  • the door shoe has a groove on the side surface.
  • the area of the side surface of the door shoe in contact with the side wall of the sill groove is reduced by the amount of the groove. This reduces friction between the door shoe and the sill groove.
  • the groove of the door shoe of Patent Document 1 extends in the traveling direction.
  • liquids such as beverages may enter the door sill.
  • the liquid may stay in the door shoe of Patent Document 1.
  • the opening and closing of the door is resisted by the viscous resistance of the liquid.
  • An object of the present invention is to provide an elevator door shoe that is less susceptible to resistance due to viscous resistance of a liquid or the like.
  • the elevator door shoe according to the present invention is attached to a mounting portion provided at the lower end of the elevator door and is arranged in a sill groove that is long in the opening / closing direction of the door and has an upper surface on a side surface facing the side wall of the sill groove.
  • a sliding portion provided with a first flow path extending downward from the door is provided.
  • the elevator door shoe according to the present invention is less susceptible to resistance due to the viscous resistance of the liquid.
  • FIG. 1 is a sectional view taken along the line AA in FIG. 1 of the door shoe according to the first embodiment. It is a perspective view of the door shoe which concerns on Embodiment 1.
  • FIG. It is a perspective view of the door shoe which concerns on the modification of Embodiment 1.
  • FIG. It is a perspective view of the door shoe which concerns on the modification of Embodiment 1.
  • FIG. It is a perspective view of the door shoe which concerns on the modification of Embodiment 1.
  • FIG. It is a perspective view of the door shoe which concerns on the modification of Embodiment 1.
  • FIG. It is a perspective view of the door shoe which concerns on Embodiment 2.
  • FIG. It is a perspective view of the door shoe which concerns on the modification of Embodiment 2.
  • FIG. 1 is a rear view of the elevator door according to the first embodiment.
  • the elevator door 1 is shown. Elevators are installed in buildings with multiple floors. In a building, hoistways are provided over multiple floors. An elevator is a device that transports users and the like between a plurality of floors by a car traveling vertically inside the hoistway. The car is equipped with a car door. A car door is a device that opens and closes so that a user can get in and out of the car. The car door is an example of an elevator door 1. A landing is provided on each of the multiple floors of the building. At the landing, a landing door will be provided. The landing door is a device that opens and closes in conjunction with the opening and closing of the car door so that the user can get on and off the car stopped on the floor where the landing is provided. The landing door is an example of the elevator door 1. In this example, the elevator door 1 is a double door.
  • the direction of the y-axis is the vertical direction.
  • the xz plane is a horizontal plane.
  • the direction of the z-axis is the opening / closing direction of the door 1.
  • the door 1 includes a door hanger 2, a pair of door panels 3, and a threshold 4.
  • the door hanger 2 is provided on the upper part of the door 1.
  • the door hanger 2 extends in the opening / closing direction of the door 1.
  • Each of the pair of door panels 3 is a plate-shaped device.
  • the thickness direction of each of the pair of door panels 3 is oriented in the x-axis direction.
  • Each of the pair of doors 1 includes a door shoe 5.
  • the door shoe 5 is provided at the lower end of the door panel 3.
  • the upper ends of each of the pair of door panels 3 are hung on the door hanger 2.
  • the load of the pair of door panels 3 is supported by the door hanger 2.
  • Each of the pair of door panels 3 moves along the door hanger 2 when the door 1 opens and closes.
  • the threshold 4 is provided below the door 1.
  • the threshold 4 extends in the opening / closing direction of the door 1.
  • the sill 4 has a sill groove 6.
  • the threshold groove 6 is a groove long in the opening / closing direction of the door 1.
  • the sill groove 6 is a groove that guides the door shoe 5 inserted from above when the door 1 opens and closes.
  • FIG. 2 is a sectional view taken along the line AA in FIG. 1 of the door shoe according to the first embodiment.
  • the sill 4 has a side wall 7 in the sill groove 6.
  • the side wall 7 is a wall surface that is long in the opening / closing direction of the door 1.
  • the sill 4 may be provided with a hole (not shown) on the bottom surface of the sill groove 6. Foreign matter that has entered the threshold groove 6 is discharged from, for example, a hole on the bottom surface.
  • the door shoe 5 includes a mounting portion 8 and a sliding portion 9.
  • the mounting portion 8 is a portion provided at the lower end portion of the door panel 3.
  • the mounting portion 8 is, for example, a plate-shaped metal fitting that is mounted on the door panel 3 with a screw or the like.
  • the sliding portion 9 is a portion arranged so as to be inserted into the threshold groove 6 from above.
  • the sliding portion 9 is attached to the lower end portion of the attachment portion 8.
  • the sliding portion 9 is formed of, for example, a resin.
  • the lower surface 9a of the sliding portion 9 is arranged below the upper end of the threshold groove 6.
  • the side surface 9b of the sliding portion 9 faces the side wall 7 of the threshold groove 6.
  • the upper surface 9c of the sliding portion 9 may be arranged either above or below the upper end of the threshold groove 6.
  • FIG. 3 is a perspective view of the door shoe 5 according to the first embodiment.
  • the sliding portion 9 has a first flow path 10 on the side surface 9b.
  • the first flow path 10 extends downward from the upper surface 9c of the sliding portion 9 on the side surface 9b of the sliding portion 9.
  • the first flow path 10 extends from the upper surface 9c of the sliding portion 9 to the lower surface 9a of the sliding portion 9.
  • the first flow path 10 is, for example, a recess that is long in the vertical direction.
  • the first flow path 10 is a vertically long groove.
  • the shape of the first flow path 10 in the horizontal cross section of the sliding portion 9 is rectangular. Here, each side of the rectangle corresponds to the bottom surface 10a or the side surface 10b of the first flow path 10.
  • the sliding portion 9 has an antifouling coating layer 11 on the upper surface 9c.
  • the sliding portion 9 has an antifouling coating layer 11 in the first flow path 10.
  • the antifouling coating layer 11 is a layer formed by the antifouling coating.
  • the antifouling coating is a coating that enhances the hydrophobicity of the surface.
  • the hydrophobicity of the surface may be indexed by, for example, the contact angle of water.
  • the antifouling coating may be, for example, a coating made of a fluororesin.
  • the door shoe 5 When the door 1 opens and closes, the door shoe 5 is guided to the threshold groove 6. As a result, the inclination of the door panel 3 when the door 1 is opened and closed is suppressed.
  • the side surface 9b of the sliding portion 9 of the door shoe 5 moves in the opening / closing direction while contacting the side wall 7 of the threshold groove 6.
  • the area of the portion of the side surface 9b of the sliding portion 9 that contacts the side wall 7 of the sill groove 6 by the first flow path 10 is smaller than the area of the sliding portion 9 projected onto the side wall 7 of the sill groove 6. Therefore, the first flow path 10 reduces the frictional resistance between the side surface 9b of the sliding portion 9 and the side wall 7 of the threshold groove 6. As a result, the resistance applied to the door shoe 5 when opening and closing the door 1 is suppressed.
  • liquid may enter the threshold groove 6 of the threshold 4.
  • the liquid is, for example, a beverage spilled inside a landing or a car.
  • the liquid is rainwater or muddy water adhering to the user's umbrella, footwear, or the like.
  • the liquid enters the threshold groove 6 from above.
  • the liquid that enters the threshold groove 6 may be applied to the door shoe 5.
  • the liquid applied to the door shoe 5 is applied to the upper surface 9c of the door shoe 5.
  • the antifouling coating layer 11 on the upper surface 9c of the door shoe 5 allows the liquid to flow without stagnation. Therefore, the liquid flows down from the end of the door shoe 5 in the opening / closing direction of the door 1. The liquid also flows from the upper surface 9c into the first flow path 10.
  • the antifouling coating layer 11 of the first flow path 10 allows the liquid to flow downward through the first flow path 10 without staying.
  • the retention of the liquid on the door shoe 5 is suppressed.
  • the first flow path 10 suppresses the retention of the liquid on the door shoe 5
  • the infiltration of the liquid between the side surface 9b of the sliding portion 9 and the side wall 7 of the threshold groove 6 is suppressed. Therefore, it is possible to prevent the opening and closing of the door 1 from being resisted by the viscous resistance of the liquid staying in the door shoe 5. Further, it is possible to prevent the liquid staying in the door shoe 5 from becoming a sticky substance with the passage of time. Therefore, it is possible to prevent the opening and closing of the door 1 from being resisted by the adhesive material adhering to the door shoe 5.
  • the liquid that infiltrates between the side surface 9b of the sliding portion 9 and the side wall 7 of the threshold groove 6 may cause a resistance force against opening and closing of the door 1.
  • This resistance is, for example, the resistance due to the fluid between the two flat plates. It is experimentally known that the resistance force between two flat plates is proportional to the area of the flat plates in contact with the fluid and inversely proportional to the distance between the flat plates.
  • the area of the sliding portion 9 in contact with the side wall 7 is reduced by the first flow path 10, so that the resistance to opening and closing of the door 1 is reduced even if a liquid infiltrates. Further, even when the infiltrated liquid becomes a sticky substance with the passage of time, the resistance to opening and closing of the door 1 by the sticky substance becomes small.
  • the door shoe 5 includes a mounting portion 8 and a sliding portion 9.
  • the mounting portion 8 is provided at the lower end portion of the door panel 3 of the elevator.
  • the sliding portion 9 is attached to the attachment portion 8.
  • the sliding portion 9 is arranged in the threshold groove 6.
  • the threshold groove 6 is a groove long in the opening / closing direction of the door 1.
  • the side surface 9b of the sliding portion 9 faces the side wall 7 of the threshold groove 6.
  • a first flow path 10 is provided on the side surface 9b of the sliding portion 9. The first flow path 10 extends downward from the upper surface 9c of the sliding portion 9.
  • the door shoe 5 is less likely to receive resistance due to the viscous resistance of the liquid or the like.
  • the first flow path 10 extends from the upper surface 9c of the sliding portion 9 to the lower surface 9a of the sliding portion 9. Therefore, the liquid flowing through the first flow path 10 is discharged below the sliding portion 9. The liquid discharged below the sliding portion 9 is unlikely to be applied to the sliding portion 9 again. Therefore, the door shoe 5 is less likely to receive resistance due to the viscous resistance of the liquid or the like.
  • the first flow path 10 may extend from the upper surface 9c of the sliding portion 9 to the lower portion of the end portion of the sliding portion 9 in the opening / closing direction.
  • the sliding portion 9 has an antifouling coating layer 11 on the upper surface 9c. As a result, the liquid is less likely to stay on the upper surface 9c of the sliding portion 9.
  • the sliding portion 9 has an antifouling coating layer 11 in the first flow path 10. As a result, the liquid is less likely to stay in the first flow path 10. Further, even when the width of the first flow path 10 in the opening / closing direction of the door 1 is narrow, the liquid quickly flows down the first flow path 10. Therefore, the change of the liquid into a sticky substance can be prevented more effectively.
  • the sliding portion 9 does not have to have the antifouling coating layer 11. At this time, the retention of the liquid may be prevented by the hydrophobicity of the material itself such as the resin forming the sliding portion 9. Further, the antifouling coating layer 11 may be provided on either the upper surface 9c of the sliding portion 9 or the first flow path 10. Alternatively, the antifouling coating layer 11 may be provided on the entire surface of the sliding portion 9.
  • the sliding portion 9 is symmetrically configured with respect to the vertical plane parallel to the yz plane.
  • the sliding portion 9 has a first flow path 10 symmetrically with respect to each other on the side surface 9b on both sides facing the side wall 7 of the threshold groove 6.
  • the sliding portion 9 may have the first flow path 10 asymmetrically with each other on the side surfaces 9b on both sides.
  • the sliding portion 9 may have a first flow path 10 only on one side surface 9b.
  • the sliding portion 9 may have the first flow path 10 only on the side surface 9b facing the inside of the car.
  • the sliding portion 9 may have the first flow path 10 only on the side surface 9b facing the landing side.
  • the elevator door 1 may be a single door.
  • the door 1 of the elevator may be a door such as a two-door or a three-door having a plurality of door panels 3 that move in the same direction when the door 1 opens and closes.
  • FIG. 4 is a perspective view of the door shoe according to the modified example of the first embodiment.
  • the shape of the first flow path 10 in the horizontal cross section of the sliding portion 9 is trapezoidal.
  • the upper or lower base of the trapezoid corresponds to the bottom surface 10a of the first flow path 10.
  • the trapezoidal hypotenuse corresponds to the side surface 10b of the first flow path 10.
  • the first flow path 10 is provided so that the width of the door 1 in the opening / closing direction widens toward the outside.
  • the side surface 10b of the first flow path 10 is formed so as to form an obtuse angle with respect to the bottom surface 10a of the first flow path 10. This prevents the liquid from staying in the first flow path 10 due to surface tension or the like.
  • the first flow path 10 is not limited to a groove having a trapezoidal shape in the horizontal cross section of the sliding portion 9.
  • the first flow path 10 may be a groove having a smooth shape such as an arc shape in the horizontal cross section of the sliding portion 9, for example.
  • the shape of the first flow path 10 may be asymmetric with respect to the vertical plane parallel to the xy plane.
  • FIG. 5 is a perspective view of the door shoe according to the modified example of the first embodiment.
  • the sliding portion 9 has a fine structure on the upper surface 9c.
  • the sliding portion 9 has a fine structure in the first flow path 10.
  • the microstructure is a structure that enhances the hydrophobicity of the surface by, for example, the Lotus effect based on the surface structure.
  • the microstructure is, for example, microprojections 12 lined up on the surface.
  • the size of the microprojections 12 is, for example, on the order of micrometers. In FIG. 5, the microprojection 12 is enlarged for illustration purposes.
  • the sliding portion 9 has a fine structure on the upper surface 9c that enhances hydrophobicity. As a result, the liquid is less likely to stay on the upper surface 9c of the sliding portion 9.
  • the sliding portion 9 has a fine structure in the first flow path 10 that enhances hydrophobicity. As a result, the liquid is less likely to stay in the first flow path 10. Further, even when the width of the first flow path 10 in the opening / closing direction of the door 1 is narrow, the liquid quickly flows down the first flow path 10. Therefore, the change of the liquid into a sticky substance can be prevented more effectively.
  • the microstructure may be provided on either the upper surface 9c of the sliding portion 9 or the first flow path 10. Alternatively, the microstructure may be provided on the entire surface of the sliding portion 9. When the sliding portion 9 has the antifouling coating layer 11, the microstructure may be provided on the antifouling coating layer 11.
  • FIG. 6 is a perspective view of the door shoe according to the modified example of the first embodiment.
  • a second flow path 13 is further provided on the side surface of the sliding portion 9 where the first flow path 10 is provided.
  • the second flow path 13 extends downward from the upper surface 9c of the sliding portion 9.
  • the second flow path 13 is, for example, a vertically long recess.
  • the second flow path 13 is a vertically long groove.
  • the second flow path 13 extends from the upper surface 9c of the sliding portion 9 to the lower surface 9a of the sliding portion 9.
  • the second flow path 13 is formed in the same manner as the first flow path 10, for example.
  • FIG. 7 is a perspective view of the door shoe according to the modified example of the first embodiment.
  • the depth of the first flow path 10 in the x direction may be a depth extending from the side surface 9b of the sliding portion 9 to the mounting portion 8.
  • the sliding portion 9 has a first portion 14a and a second portion 14b.
  • the first portion 14a and the second portion 14b are two portions of the sliding portion 9 divided in the opening / closing direction of the door 1.
  • the first flow path 10 may be a gap between the first portion 14a and the second portion 14b.
  • Embodiment 2 The differences between the second embodiment and the examples disclosed in the first embodiment will be described in particular detail. As for the features not described in the second embodiment, any of the features disclosed in the first embodiment may be adopted.
  • FIG. 8 is a perspective view of the door shoe according to the second embodiment.
  • the transverse flow path 15 extends in the opening / closing direction of the door 1.
  • the transverse flow path 15 is, for example, a groove long in the horizontal direction.
  • Each of the two lateral flow paths 15 is connected to the first flow path 10.
  • One lateral flow path 15 is connected to the end of the sliding portion 9 on the positive side of the z-axis.
  • the other transverse flow path 15 is connected to the end of the sliding portion 9 on the negative side of the z-axis.
  • the area of the portion of the side surface 9b of the sliding portion 9 in contact with the side wall 7 of the threshold groove 6 is further reduced by the lateral flow path 15. Therefore, the lateral flow path 15 further reduces the frictional resistance between the side surface 9b of the sliding portion 9 and the side wall 7 of the threshold groove 6. As a result, the resistance applied to the door shoe 5 when opening and closing the door 1 is further suppressed. Further, even when the liquid adhesive material stays between the side wall 7 of the threshold groove 6 and the side surface 9b of the sliding portion 9, the resistance to opening and closing of the door 1 by the accumulated liquid adhesive material becomes small.
  • FIG. 9 is a perspective view of the door shoe according to the modified example of the second embodiment.
  • the two lateral flow paths 15 are connected to the first flow path 10.
  • the two lateral flow paths 15 are inclined so as to descend toward the first flow path 10. As a result, even when the liquid has entered the lateral flow path 15, the liquid is quickly discharged from the first flow path 10.
  • FIG. 10 is a perspective view of the door shoe according to the modified example of the second embodiment.
  • one lateral flow path 15 is connected to the end of the sliding portion 9 on the positive side of the z-axis.
  • the other transverse flow path 15 is connected to the end of the sliding portion 9 on the negative side of the z-axis.
  • the transverse flow path 15 connected to the positive end of the z-axis is inclined so as to be lowered toward the end.
  • the transverse flow path 15 connected to the end on the negative side of the z-axis is inclined so as to be lowered toward the end.
  • the door shoe according to the present invention can be applied to an elevator door.

Landscapes

  • Elevator Door Apparatuses (AREA)

Abstract

L'invention fournit un patin de porte pour ascenseur qui est peu susceptible d'être soumis à une résistance telle qu'une résistance visqueuse, ou similaire, d'un liquide. Le patin de porte (5) est équipé d'une partie installation (8) et d'une partie coulissante (9). La partie installation (8) est agencée sur une partie extrémité inférieure d'un panneau de porte (3) de l'ascenseur. La partie coulissante (9) est installée sur la partie installation (8), et est disposée dans une rainure de seuil (6). La rainure de seuil (6) consiste en une rainure longue dans la direction d'ouverture et fermeture de la porte (1). Une face latérale (9b) de la partie coulissante (9), s'oppose à une paroi latérale (7) de la rainure de seuil (6). Un premier trajet d'écoulement (10) est agencé dans la face latérale (9b) de la partie coulissante (9), et se prolonge vers le bas à partir d'une face supérieure (9c) de la partie coulissante (9).
PCT/JP2019/048330 2019-12-10 2019-12-10 Patin de porte pour ascenseur WO2021117144A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2019/048330 WO2021117144A1 (fr) 2019-12-10 2019-12-10 Patin de porte pour ascenseur
JP2020522401A JP6733855B1 (ja) 2019-12-10 2019-12-10 エレベーターのドアシュー
CN201980102542.0A CN114787070B (zh) 2019-12-10 2019-12-10 电梯的门靴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/048330 WO2021117144A1 (fr) 2019-12-10 2019-12-10 Patin de porte pour ascenseur

Publications (1)

Publication Number Publication Date
WO2021117144A1 true WO2021117144A1 (fr) 2021-06-17

Family

ID=71892493

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/048330 WO2021117144A1 (fr) 2019-12-10 2019-12-10 Patin de porte pour ascenseur

Country Status (3)

Country Link
JP (1) JP6733855B1 (fr)
CN (1) CN114787070B (fr)
WO (1) WO2021117144A1 (fr)

Citations (11)

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Publication number Priority date Publication date Assignee Title
JPS54154506U (fr) * 1978-04-18 1979-10-27
JPS56154506U (fr) * 1980-04-21 1981-11-18
JPH07237867A (ja) * 1994-03-01 1995-09-12 Hitachi Ltd エレベータ扉の案内装置
JPH07242382A (ja) * 1994-03-03 1995-09-19 Toshiba Corp エレベータの乗場戸
JPH08231165A (ja) * 1994-12-28 1996-09-10 Ntn Corp ガイドシュー
JPH09301661A (ja) * 1996-05-09 1997-11-25 Mitsubishi Denki Bill Techno Service Kk エレベーターの敷居異物除去装置
JP2010058862A (ja) * 2008-09-01 2010-03-18 Mitsubishi Electric Corp エレベータドア案内装置
JP2011088690A (ja) * 2009-10-20 2011-05-06 Toshiba Elevator Co Ltd 乗場ドア装置
CN102597404A (zh) * 2009-09-03 2012-07-18 通力股份公司 门装置和门导引件
JP2016160031A (ja) * 2015-03-02 2016-09-05 東芝エレベータ株式会社 エレベータ乗場ドア装置
JP2018002375A (ja) * 2016-06-30 2018-01-11 三菱電機ビルテクノサービス株式会社 エレベータードアのドアシュー

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489033U (fr) * 1977-12-05 1979-06-23
JPS5631168U (fr) * 1979-08-16 1981-03-26
CN202848801U (zh) * 2012-10-11 2013-04-03 许昌奥仕达自动化设备有限公司 一种电梯导轨及电梯自润滑导轨系统
CN203419657U (zh) * 2013-08-29 2014-02-05 东台市曹丿胶管厂 新型电梯门用导靴
CN104016209A (zh) * 2014-06-16 2014-09-03 宁波奥力迅电梯部件有限公司 电梯轿厢导靴

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154506U (fr) * 1978-04-18 1979-10-27
JPS56154506U (fr) * 1980-04-21 1981-11-18
JPH07237867A (ja) * 1994-03-01 1995-09-12 Hitachi Ltd エレベータ扉の案内装置
JPH07242382A (ja) * 1994-03-03 1995-09-19 Toshiba Corp エレベータの乗場戸
JPH08231165A (ja) * 1994-12-28 1996-09-10 Ntn Corp ガイドシュー
JPH09301661A (ja) * 1996-05-09 1997-11-25 Mitsubishi Denki Bill Techno Service Kk エレベーターの敷居異物除去装置
JP2010058862A (ja) * 2008-09-01 2010-03-18 Mitsubishi Electric Corp エレベータドア案内装置
CN102597404A (zh) * 2009-09-03 2012-07-18 通力股份公司 门装置和门导引件
JP2011088690A (ja) * 2009-10-20 2011-05-06 Toshiba Elevator Co Ltd 乗場ドア装置
JP2016160031A (ja) * 2015-03-02 2016-09-05 東芝エレベータ株式会社 エレベータ乗場ドア装置
JP2018002375A (ja) * 2016-06-30 2018-01-11 三菱電機ビルテクノサービス株式会社 エレベータードアのドアシュー

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CN114787070A (zh) 2022-07-22
JP6733855B1 (ja) 2020-08-05
JPWO2021117144A1 (fr) 2021-06-17
CN114787070B (zh) 2023-01-10

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