WO2021220442A1 - Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers - Google Patents

Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers Download PDF

Info

Publication number
WO2021220442A1
WO2021220442A1 PCT/JP2020/018194 JP2020018194W WO2021220442A1 WO 2021220442 A1 WO2021220442 A1 WO 2021220442A1 JP 2020018194 W JP2020018194 W JP 2020018194W WO 2021220442 A1 WO2021220442 A1 WO 2021220442A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide shoe
passenger conveyor
contact portion
skirt guard
support member
Prior art date
Application number
PCT/JP2020/018194
Other languages
English (en)
Japanese (ja)
Inventor
龍 奥田
健太 白井
Original Assignee
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021524154A priority Critical patent/JP7067673B2/ja
Priority to PCT/JP2020/018194 priority patent/WO2021220442A1/fr
Publication of WO2021220442A1 publication Critical patent/WO2021220442A1/fr

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00Component parts of escalators or moving walkways
    • B66B23/08Carrying surfaces
    • B66B23/12Steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00Component parts of escalators or moving walkways
    • B66B23/14Guiding means for carrying surfaces

Definitions

  • This disclosure relates to a guide shoe and a step guide device for a passenger conveyor.
  • Patent Document 1 discloses a passenger conveyor.
  • the guide shoe is made of a low friction material. As a result, sliding noise can be suppressed.
  • An object of the present disclosure is to provide a method for manufacturing a guide shoe and a step device of a passenger conveyor capable of suppressing sliding abnormal noise over a long period of operation of the passenger conveyor.
  • the guide shoe of the passenger conveyor has a contact portion that contacts the skirt guard of the passenger conveyor and a contact portion that protrudes from the contact portion in the direction of the step of the passenger conveyor, and when the step moves, the contact portion touches the skirt.
  • a protruding portion that is displaced while being housed in a support member provided on the step is provided.
  • the support member provided on the step of the passenger conveyor and the contact portion that comes into contact with the skirt guard of the passenger conveyor when the step moves are aligned with the skirt guard.
  • the protruding portion of the guide shoe is displaced while being housed in the support member so that the contact portion is along the skirt guard when the step is moved. Therefore, sliding noise can be suppressed over a long period of operation of the passenger conveyor.
  • FIG. 1 It is a perspective view of the passenger conveyor in Embodiment 1.
  • FIG. 2 It is a perspective view of the step of a passenger conveyor in Embodiment 1.
  • FIG. 2 It is a perspective view of the main part of the step of a passenger conveyor in Embodiment 1.
  • FIG. It is a figure for demonstrating the 1st example of the manufacturing method of the guide shoe of a passenger conveyor in Embodiment 1.
  • FIG. It is a figure for demonstrating the 1st example of the manufacturing method of the guide shoe of a passenger conveyor in Embodiment 1.
  • FIG. 1 It is a figure for demonstrating the positional relationship between the guide shoe of a passenger conveyor and a skirt guard in Embodiment 1.
  • FIG. It is a figure for demonstrating the 1st modification of the guide shoe of the passenger conveyor in Embodiment 1.
  • FIG. It is a figure for demonstrating the 2nd modification of the guide shoe of the passenger conveyor in Embodiment 1.
  • FIG. 1 is a perspective view of a passenger conveyor according to the first embodiment.
  • the passenger conveyor in Fig. 1 is an escalator.
  • the landing floor 1 is installed on each floor of the building.
  • the plurality of steps 2 are connected in an endless manner.
  • the plurality of steps 2 are provided so as to be able to circulate between the boarding / alighting floor of the upper floor and the boarding / alighting floor of the lower floor.
  • the pair of balustrades 3 are provided on both sides in the width direction of the step along the moving direction of the step 2.
  • the pair of handrails 4 are provided along the outer periphery of each of the pair of balustrades 3.
  • the pair of handrails 4 are provided so as to be able to move in synchronization with a plurality of steps.
  • the pair of skirt guards 5 are provided below each of the pair of balustrades 3.
  • FIG. 2 is a perspective view of the steps of the passenger conveyor according to the first embodiment.
  • FIG. 3 is a perspective view of a main part of the step of the passenger conveyor according to the first embodiment.
  • the step 2 includes a step plate 6, a riser 7, and a pair of triangular brackets 8.
  • the tread plate 6 is a plate on which the user rides.
  • the riser 7 is a kick-up.
  • the pair of triangular brackets 8 are arranged apart from each other in the width direction of the tread plate 6.
  • the pair of triangular brackets 8 support one end and the other end in the width direction of the tread plate 6 and the riser 7, respectively.
  • the support member 9 is provided at the end of the triangular bracket 8 on the side opposite to the side of the riser 7.
  • the support member 9 is made of aluminum.
  • the axial direction of the support member 9 is set in the width direction of the step 2.
  • the support member 9 is formed in a cylindrical shape.
  • the support member 9 is provided so that the amount of protrusion from the step 2 is within a specified range.
  • a pair of guide grooves (not shown) are formed on the inner wall of the support member 9 so as to face each other with the axial center of the support member 9 interposed therebetween.
  • the pair of guide grooves are formed so as to extend parallel to the axis.
  • the pair of insertion holes 10 are formed so as to connect the pair of guide grooves and the outside of the support member 9 at the peripheral wall portion of the support member 9. In FIG. 3, only one insertion hole 10 is shown.
  • the pair of matching grooves 11 are formed so as to face each other with the axial center of the support member 9 interposed therebetween at the end of the support body.
  • the relative direction of the pair of mating grooves 11 is orthogonal to the relative direction of the pair of guide grooves.
  • the guide shoe 12 functions as a step guide device together with the support member 9.
  • the guide shoe 12 is made of a resin material.
  • the guide shoe 12 includes a contact portion 13 and a protruding portion 14.
  • the contact portion 13 is a portion that comes into contact with the skirt guard 5 when the step 2 is moved.
  • the contact portion 13 is formed in a rectangular parallelepiped shape.
  • the protruding portion 14 projects from the contact portion 13 in the direction of the step 2.
  • the protrusion 14 is housed in the support member 9.
  • the protruding portion 14 includes a pair of leg portions 15.
  • the pair of claws 16 project outward from the respective protruding ends of the pair of legs 15 in the opposite directions of the pair of legs 15.
  • the pair of protrusions 17 are provided so as to be able to fit into the pair of fitting grooves 11.
  • the pair of protrusions 17 are provided at the center position between the pair of legs 15 on the back surface of the contact portion 13.
  • each of the pair of claws 16 is inserted into each of the pair of guide grooves.
  • each of the pair of leg portions 15 is elastically deformed.
  • each of the pair of claw portions 16 advances along each of the pair of guide grooves.
  • each of the pair of claws 16 reaches the pair of insertion holes 10
  • each of the pair of legs 15 is released from elastic deformation.
  • each of the pair of claw portions 16 is inserted into each of the pair of insertion holes 10.
  • each of the pair of protrusions 17 is inserted into each of the pair of fitting grooves 11.
  • the guide shoe 12 is attached to the step 2 with the contact portion 13 facing outward in the width direction of the tread plate 6.
  • FIGS. 4 and 5 are diagrams for explaining a first example of a method of manufacturing a guide shoe for a passenger conveyor according to the first embodiment.
  • the guide shoe 12 is molded using a mold in the molding process. After that, as shown in FIG. 4, the guide shoe 12 is fixed to the fixing base 18 with the surface of the contact portion 13 exposed upward. After that, the surface of the contact portion 13 of the guide shoe 12 is machined by a machining process. Specifically, the surface of the contact portion 13 of the guide shoe 12 is processed by the cutting edge portion 19 of the tool continuously moving from one side to the other side of the surface of the contact portion 13 of the guide shoe 12. For example, the sink mark of the contact portion 13 of the guide shoe 12 is removed. As a result, as shown in FIG. 5, the flatness of the surface of the contact portion 13 of the guide shoe 12 is improved.
  • FIG. 6 is a diagram for explaining a second example of the method of manufacturing the guide shoe of the passenger conveyor according to the first embodiment.
  • the plurality of guide shoes 12 are fixed in a state of being arranged on the fixing base 18 with the surface of the contact portion 13 exposed upward. After that, the surfaces of the contact portions 13 of the plurality of guide shoes 12 are machined by a machining process. Specifically, the cutting edge portion 19 continuously moves from the guide shoe 12 on the most side of the plurality of guide shoes 12 to the guide shoe 12 on the other side, so that the contact portion 13 of the plurality of guide shoes 12 The surface of is continuously processed.
  • FIG. 7 is a diagram for explaining a first example of an inspection process in the method for manufacturing a guide shoe for a passenger conveyor according to the first embodiment.
  • the test apparatus includes a drive shaft 20, a driven shaft 21, a belt 22, and a holding member 23.
  • the drive shaft 20 is attached to a rotating shaft such as a motor (not shown).
  • the drive shaft 20 is provided apart from the test skirt guard 5.
  • the driven shaft 21 is provided apart from the drive shaft 20.
  • the driven shaft 21 is provided apart from the skirt guard 5 like the drive shaft 20.
  • the belt 22 is formed in an endless shape. The belt 22 is wound around the drive shaft 20 and the driven shaft 21.
  • the holding member 23 is attached to the side of the test skirt guard 5 on the belt 22.
  • the guide shoe 12 is attached to the holding member 23 in a state where the contact surface is in contact with the test skirt guard 5.
  • the guide shoe 12 is pressed against the skirt guard 5 by the force F.
  • the rotation of the drive shaft 20 causes the guide shoe 12 to move at a speed V with the surface of the contact portion 13 in contact with the skirt guard 5.
  • the values of the force F and the speed V at this time are set so as to be the same values as when the guide shoe 12 is actually used on the passenger conveyor.
  • a calculation terminal collects information on sliding abnormal noise.
  • the calculation terminal determines whether or not the flatness of the contact portion 13 of the guide shoe 12 with the skirt guard 5 satisfies the required accuracy based on the information of the sliding abnormal noise.
  • FIG. 8 is a diagram for explaining a second example of the inspection process in the method for manufacturing the guide shoe of the passenger conveyor according to the first embodiment.
  • the guide shoe 12 is fixed to the fixing base 18 with the surface of the contact portion 13 exposed upward.
  • the fixture 24 is arranged at a position facing the surface of the contact portion 13 of the guide shoe 12.
  • the pressure sensitive paper 25 is attached to the side surface of the guide shoe 12 in the fixture 24.
  • a calculation terminal (not shown) calculates the surface pressure value from the image recognition result of the state change of the pressure sensitive paper 25. After that, the calculation terminal determines whether or not the flatness of the contact portion 13 of the guide shoe 12 with the skirt guard 5 satisfies the required accuracy based on the value of the surface pressure.
  • FIG. 9 is a diagram for explaining a third example of the inspection process in the method for manufacturing the guide shoe of the passenger conveyor according to the first embodiment.
  • the guide shoe 12 is fixed to the fixing base 18 with the surface of the contact portion 13 exposed upward.
  • the colorant 27 is applied to the surface of the contact portion 13 of the guide shoe 12.
  • the fixture 24 is arranged at a position facing the surface of the contact portion 13 of the guide shoe 12.
  • the test strip 26 is attached to the side surface of the guide shoe 12 in the fixture 24.
  • a calculation terminal calculates the value of the contact area from the image recognition result of the state change of the test paper 26. After that, the calculation terminal determines from the value of the contact area whether or not the flatness of the contact portion 13 of the guide shoe 12 with the skirt guard 5 satisfies the required accuracy.
  • FIG. 10 is a diagram for explaining the dimensional relationship between the support member of the passenger conveyor and the guide shoe according to the first embodiment.
  • the inner diameter of the support member 9 is a'.
  • the width of the matching groove 11 of the support member 9 is b'.
  • the length of the fitting portion of the support member 9 with the guide shoe 12 is c'.
  • the outer diameter of the protruding portion 14 of the guide shoe 12 is a. a is smaller than a'.
  • the width of the protrusion 17 of the guide shoe 12 is b. b is smaller than b'.
  • the length of the fitting portion of the guide shoe 12 with the support member 9 is c. c is larger than c'.
  • FIGS. 11 and 12 are diagrams for explaining the positional relationship between the guide shoe and the skirt guard of the passenger conveyor in the first embodiment.
  • the step 2 when the step 2 is stopped, the surface of the contact portion 13 of the guide shoe 12 comes into contact with the skirt guard 5 with an angle error ⁇ .
  • the angle error ⁇ is generated by the influence of the installation and deformation of the skirt guard 5 and the posture change of the step 2.
  • the angle error ⁇ is about 0.1 °.
  • the flatness of the contact portion 13 with the skirt guard 5 is improved by machining. Therefore, frictional vibration during sliding of the guide shoe 12 can be suppressed. As a result, sliding noise can be suppressed over a long period of operation of the passenger conveyor.
  • the guide shoe 12 if the value of the flatness of the contact portion 13 with the skirt guard 5 is 0.2 mm or less, frictional vibration during sliding of the guide shoe 12 can be suppressed.
  • the accuracy at this time is the accuracy that requires machining.
  • the accuracy required for positioning in the guide shoe 12 is obtained by molding with a mold.
  • the guide shoe 12 is arranged at a position invisible to the user. Therefore, the guide shoe 12 is not required to have a design. In this case, the appearance finish is unnecessary.
  • the guide shoe 12 is intentionally machined to suppress the sliding noise.
  • the flatness of the contact portion 13 with the skirt guard 5 may be improved by cutting.
  • the flatness of the contact portion 13 with the skirt guard 5 may be improved by grinding.
  • the flatness of the contact portion 13 with the skirt guard 5 may be improved by polishing.
  • the above flatness may be achieved manually by an operator.
  • the plurality of guide shoes 12 are arranged side by side and machined. Therefore, the mass productivity of the guide shoe 12 can be improved.
  • the calculation terminal presses the contact portion 13 of the guide shoe 12 with the skirt guard 5 against the inspection body, and the contact portion 13 of the guide shoe 12 with the skirt guard 5 is based on the parameters obtained. Inspect whether the flatness meets the required accuracy. For example, as a parameter, the surface pressure between the contact portion 13 of the guide shoe 12 with the skirt guard 5 and the inspection body is used. For example, as a parameter, the contact area between the contact portion 13 of the guide shoe 12 with the skirt guard 5 and the inspection body is used. Therefore, the quality of the guide shoe 12 can be easily determined as compared with a general measurement method using a dial gauge, a laser, or the like.
  • the guide shoe 12 may be slid on the actual passenger conveyor to inspect for the presence or absence of sliding abnormal noise.
  • the machining process may be performed again. By repeating the machining process and the inspection process, the defect rate of the guide shoe 12 can be reduced.
  • the protruding portion 14 is displaced while being housed in the support member 9 so that the contact portion 13 is along the skirt guard 5 when the step 2 moves. Therefore, sliding noise can be suppressed over a long period of operation of the passenger conveyor. At this time, if the flatness of the contact portion 13 satisfies the required accuracy, the sliding abnormal noise can be further suppressed.
  • the protruding portion 14 is housed in the support member 9 in a clearance-fitted state. Therefore, the degree of freedom of rotation of the guide shoe 12 can be ensured. As a result, the sliding surface pressure of the guide shoe 12 can be reduced. With a simple configuration, it is possible to suppress sliding noise over a long period of operation of the passenger conveyor. At this time, a relative motion occurs between the guide shoe 12 and the support member 9. Therefore, friction damping can be obtained. As a result, effective vibration damping can be obtained.
  • FIG. 13 is a diagram for explaining a first modification of the guide shoe of the passenger conveyor according to the first embodiment.
  • the portion of the guide shoe 12 that comes into contact with the support member 9 is formed of the elastomer material X.
  • the elastomer material X is more elastic than a normal resin material. Also in this case, when the step 2 moves, the protruding portion 14 of the guide shoe 12 is displaced inside the support member 9 so that the contact portion 13 of the guide shoe 12 is along the skirt guard 5. As a result, sliding noise can be suppressed over a long period of operation of the passenger conveyor.
  • the damping performance of the elastomer material X is high. Therefore, effective vibration damping can be obtained.
  • FIG. 14 is a diagram for explaining a second modification of the guide shoe of the passenger conveyor according to the first embodiment.
  • the portion of the guide shoe 12 that comes into contact with the support member 9 is formed of a woven fabric material or a sponge material Y.
  • the woven fabric material or sponge material Y is more elastic than a normal resin material.
  • the protruding portion 14 of the guide shoe 12 is displaced inside the support member 9 so that the contact portion 13 of the guide shoe 12 is along the skirt guard 5.
  • the damping ability of the woven fabric material or the sponge material Y is high. Therefore, effective vibration damping can be obtained.
  • the guide shoe 12 of the first embodiment may be applied to a moving walkway.
  • the method for manufacturing the guide shoe of the passenger conveyor of the present disclosure can be used for the passenger conveyor.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

Est décrit un sabot de guidage pour un transporteur de passagers, ledit sabot de guidage étant apte à supprimer des bruits de glissement pendant le fonctionnement à long terme du transporteur de passagers. Ce sabot de guidage pour le transporteur de passagers comprend : une partie de contact qui entre en contact avec une protection de jupe du transporteur de passagers ; et une partie en saillie qui fait saillie à partir de la partie de contact en direction d'une marche du transporteur de passagers, et qui est déplacée dans un état de réception dans un élément de support fourni dans la marche de sorte que la partie de contact se trouve le long de la protection de jupe lorsque la marche se déplace. Le sabot de guidage permet de supprimer les bruits de glissement lors du fonctionnement à long terme du transporteur de passagers.
PCT/JP2020/018194 2020-04-28 2020-04-28 Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers WO2021220442A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021524154A JP7067673B2 (ja) 2020-04-28 2020-04-28 乗客コンベアのガイドシューおよび踏段案内装置
PCT/JP2020/018194 WO2021220442A1 (fr) 2020-04-28 2020-04-28 Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/018194 WO2021220442A1 (fr) 2020-04-28 2020-04-28 Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers

Publications (1)

Publication Number Publication Date
WO2021220442A1 true WO2021220442A1 (fr) 2021-11-04

Family

ID=78331872

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/018194 WO2021220442A1 (fr) 2020-04-28 2020-04-28 Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers

Country Status (2)

Country Link
JP (1) JP7067673B2 (fr)
WO (1) WO2021220442A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014223167A1 (de) * 2014-11-13 2016-05-19 Kuka Roboter Gmbh Bestimmen von objektbezogenen Greifräumen mittels eines Roboters

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH074475U (ja) * 1993-06-24 1995-01-24 オーチス エレベータ カンパニー エスカレーターのステップ
JP2001146379A (ja) * 1999-11-24 2001-05-29 Toshiba Corp マンコンベアの踏段装置
JP2003095571A (ja) * 2001-09-27 2003-04-03 Toshiba Elevator Co Ltd マンコンベアの踏段装置
JP2004161412A (ja) * 2002-11-12 2004-06-10 Hitachi Ltd 乗客コンベア
JP2008265891A (ja) * 2007-04-16 2008-11-06 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアの物挟み防止装置
JP2013010584A (ja) * 2011-06-28 2013-01-17 Hitachi Ltd 乗客コンベア及びこれに用いられるガイドシュー
JP2013249147A (ja) * 2012-05-30 2013-12-12 Hitachi Ltd 乗客コンベアのガイドシュー取り外し方法及びガイドシュー取り外し治具
JP2014162617A (ja) * 2013-02-27 2014-09-08 Mitsubishi Electric Corp 乗客コンベアの踏段装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187284A (ja) * 1975-01-28 1976-07-30 Tokyo Shibaura Electric Co Esukareeta
JPS6371088A (ja) * 1986-09-10 1988-03-31 日立エレベ−タサ−ビス株式会社 エレベ−タ−のレ−ルガイド装置
JPH0867463A (ja) * 1994-08-31 1996-03-12 Toshiba Corp 油圧エレベータのプランジャ案内装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH074475U (ja) * 1993-06-24 1995-01-24 オーチス エレベータ カンパニー エスカレーターのステップ
JP2001146379A (ja) * 1999-11-24 2001-05-29 Toshiba Corp マンコンベアの踏段装置
JP2003095571A (ja) * 2001-09-27 2003-04-03 Toshiba Elevator Co Ltd マンコンベアの踏段装置
JP2004161412A (ja) * 2002-11-12 2004-06-10 Hitachi Ltd 乗客コンベア
JP2008265891A (ja) * 2007-04-16 2008-11-06 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアの物挟み防止装置
JP2013010584A (ja) * 2011-06-28 2013-01-17 Hitachi Ltd 乗客コンベア及びこれに用いられるガイドシュー
JP2013249147A (ja) * 2012-05-30 2013-12-12 Hitachi Ltd 乗客コンベアのガイドシュー取り外し方法及びガイドシュー取り外し治具
JP2014162617A (ja) * 2013-02-27 2014-09-08 Mitsubishi Electric Corp 乗客コンベアの踏段装置

Also Published As

Publication number Publication date
JP7067673B2 (ja) 2022-05-16
JPWO2021220442A1 (fr) 2021-11-04

Similar Documents

Publication Publication Date Title
WO2021220442A1 (fr) Sabot de guidage et dispositif de guidage de marche pour transporteur de passagers
US7980539B2 (en) Fixture for automatically positioning workpiece
JP3950511B2 (ja) 直動転がり案内ユニット
JP4949782B2 (ja) 精密打ち抜き型
US6749057B2 (en) Sealing means for sliding unit
JP7001199B1 (ja) 乗客コンベアのガイドシューの製造方法
JP5316700B2 (ja) リニアガイド装置
JP5848195B2 (ja) 乗客コンベアのガイドシュー取り外し方法及びガイドシュー取り外し治具
JP2019002561A (ja) レールカバーの装着治具
WO2019240027A1 (fr) Dispositif pour détecter une anomalie dans un transporteur de passagers
JP5968250B2 (ja) 乗客コンベアの踏段装置
JP2003095571A (ja) マンコンベアの踏段装置
WO2005019668A1 (fr) Dispositif de guidage lineaire
JP2012067838A (ja) 直動案内装置の仮軸用アタッチメント
EP3530606B1 (fr) Dispositif de surveillance de vitesse et dispositif de transport de passagers
JP6940034B1 (ja) 乗客コンベアの踏段案内装置
JP2009143642A (ja) 乗客コンベア及び乗客コンベア踏板用ローラ
US20140339779A1 (en) Dustproof member and measurement device
JP5327015B2 (ja) 直動案内装置用仮軸
TW202403199A (zh) 滑軌蓋之安裝輔助治具
JP7108647B2 (ja) 乗客コンベア診断装置固定治具
JP6922828B2 (ja) 乗客コンベアのステップの溝に付着した異物を除去する清掃治具
JP2023155756A (ja) 直動案内装置用のテープ及び上面カバーの設置方法
KR20190032559A (ko) 제동 장치 및 이것을 구비한 차폐 장치
JP6576885B2 (ja) 乗客コンベア

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2021524154

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20933155

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20933155

Country of ref document: EP

Kind code of ref document: A1