WO2014098573A2 - Système d'entraînement de monte-escalier pour rail denté uniforme - Google Patents

Système d'entraînement de monte-escalier pour rail denté uniforme Download PDF

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Publication number
WO2014098573A2
WO2014098573A2 PCT/NL2013/050894 NL2013050894W WO2014098573A2 WO 2014098573 A2 WO2014098573 A2 WO 2014098573A2 NL 2013050894 W NL2013050894 W NL 2013050894W WO 2014098573 A2 WO2014098573 A2 WO 2014098573A2
Authority
WO
WIPO (PCT)
Prior art keywords
rail
wheels
stair lift
recess
lift drive
Prior art date
Application number
PCT/NL2013/050894
Other languages
English (en)
Other versions
WO2014098573A3 (fr
Inventor
Rolf Bernard DE JONG
Cornelis BOXUM
Gijs Jan Jacobs MULDER
Original Assignee
Thyssenkrupp Accessibility B.V.
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 Thyssenkrupp Accessibility B.V. filed Critical Thyssenkrupp Accessibility B.V.
Priority to JP2015549294A priority Critical patent/JP6414825B2/ja
Priority to CN201380073234.2A priority patent/CN104995119B/zh
Priority to EP13818482.5A priority patent/EP2935072B1/fr
Priority to ES13818482.5T priority patent/ES2628978T3/es
Publication of WO2014098573A2 publication Critical patent/WO2014098573A2/fr
Publication of WO2014098573A3 publication Critical patent/WO2014098573A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0807—Driving mechanisms
    • B66B9/0815—Rack and pinion, friction rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0807—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0846—Guide rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons

Definitions

  • the present invention relates to a stair lift drive.
  • the invention relates to a stair lift for use in combination with a smooth dented rail.
  • Stair lifts are known in the art, and the drives applied may have gears, toothed racks, or friction drives.
  • the Dutch patent application L 2005398 for instance discloses a friction drive for a stair lift along a longitudinal guide, wherein multiple rollers are in frictional engagement with a rail.
  • the rails used in these drives have teeth or other sharp parts, which form a potential danger to users of the stairs and or stair lift.
  • the use of the drive described in this patent is limited to straight / longitudinal guides.
  • the invention thereto proposes a stair lift drive, comprising a rail extending along a track, which is at least provided with one dent or recess that extends in a direction tangential to the rail; a frame part, provided with at least one set of wheels, of which at least one wheel engages on the rail in the at least recess, wherein the wheels are each rotatable about an axis which extends substantially perpendicular to the direction from the recess of the rail where the at least one wheel engages to the centreline of the rail as well as perpendicular to a direction tangential to the direction of the rail; a propulsion, to drive at least one of the wheels, wherein the running surfaces of the wheels engage at least a part of the recess in a form-fitting manner, characterised in that the cross section of the rail has a substantially smooth shape.
  • each frame part the resultant of the traction forces engages the rail in the so called engagement point.
  • the engagement point is substantially coincide with the rotational axes, about which the frame part can rotate with respect to the mounting part.
  • the rotational axes cross each other at the engagement point, connecting the driven wheel with the rail.
  • the engagement point is substantially coincided with the rotational axes of its frame section.
  • the rail will be positioned close to one side of the staircase, wherein the smooth shape of the rail is predominantly focussed on the absence of sharp corners and greasy racks, pointing towards the user of the stair lift.
  • a smooth surface may for instance be defined as a surface having no edges with a smaller radius than 15 mm, or than 10 mm, or 5 mm. Therefor, the rail is safe to touch during use, and when the stair lift is idle.
  • the smooth rail may be produced by making indentations in a substantially cylindrical tube, and it can be bent and twisted into multiple corners for forming a curved track.
  • the rail substantially maintains its original diameter on the section where the rail is not dented, and the overall circumference can therefor remain substantially the same.
  • the rail may be designed such that its cross section remains its same angular orientation throughout the track, but still, the drive according to the invention is less vulnerable for torsion occurring during production of the rail, since twisting and turning of the rail can be overcome by other parts of the drive, as will be described below.
  • a pair of wheels two wheels pressing on the rail are intended.
  • the presence of more wheels or sets of wheels is not excluded.
  • the wheels may be located next to each other in the same recess, but can also be located opposite to each other in two opposing recesses, if present in the rail.
  • the at least one wheel that engages in the recess of the rail determines the angular orientation of the frame about the axis of the rail. This wheel is not necessarily the driven wheel.
  • Two or more recesses or dents provide the advantage that a more stable coupling to the rail is possible, also in a rotational direction about the direction tangential to the rail.
  • the number of wheels is also not necessarily limited or equal to the number of recesses in the rail.
  • the wheels engage the rail under the influence of friction.
  • friction wheels instead of for example toothed wheels allows the wheels to follow the smooth rail, along all its bends, twists and corners, without jamming or collision.
  • the running surfaces of the wheels are typically pressed against matching running surfaces of recesses in the rail. Such running surfaces of the wheels can for instance be made out of polyurethane, like Vulkollan, commercially available from Bayer. Because the wheels engage at least part of the recess in a form-fitting manner, the wheels are able to support the drive and compensate for torsion about the direction tangential to the rail.
  • the rail has a substantially 8-shaped, apple- core shaped, single or multi-dented-tube shaped or lemniscates shaped cross section.
  • This cross section can for instance be realised when a cylinder shaped or oval rail is on two opposing sides provided with recesses that extend over predominantly the whole length of the rail.
  • This single or multiple-dented shape can easily be manufactured and can afterwards or at the time of forming the dents be bent into the desired shape to follow the desired contours of a staircase.
  • the specifically shaped cross section also offers torsion stiffness and flexural rigidity as well as horizontal and vertical stabilisation and an orientation that prevents rotation of the stair lift around the rail.
  • the rail can be formed by means of the method according to the European Patent application EP 11 189 248.5 by the same applicant.
  • the part of the recess wherein the substantially straight running surfaces engage the rail comprise an angle between 80 and 135 degrees.
  • Each dented area or recess comprises an angle along the circumference of the rail, which may be between 70 and 110, and in particular about 90 degrees for a rail with a single dent, between 60 and 90 degrees and in particular about 75 degrees for a rail with two dents and between 45 and 75 degrees and in particular about 60 degrees for a rail with three dents.
  • the dent may comprise substantially straight section(s) to provide a surface to prevent rotation around the longitudinal axes of the rail. Consequently, the part of the wheel that encounters the rail then may have essentially the same shape as the shape of the tube's dent.
  • the rail is a monorail, which is advantageous in that it requires less modification of the location where it is to be installed and in that it requires less space.
  • the pressure under which the wheels of the stair lift engage the recess of the rail can be adjustable, and therewith directly the maximum traction force, resulting from by the normal force on the driven wheels multiplied by a coefficient of friction.
  • the normal force and thus grip
  • the application of high normal load would result in an inefficient transportation, since unnecessary amounts of rolling resistance have to be overcome to facilitate the transportation. Besides less aging and creep can be established.
  • friction wheels that engage in one or more the recesses of the rail are forcible towards the rail for applying an increasing amount of pressure to the recess of the rail and therefor experience an increase in traction force.
  • At least one of the wheels can be equipped with an actuator, for instance hydraulic or pneumatic, to move it towards the other wheel(s).
  • an actuator for instance hydraulic or pneumatic
  • a cylinder may be provided, which cylinder is arranged to build up hydraulic pressure based on the weight of the load or the user of the stair lift.
  • a clamping force ensures that the friction wheels are not running outside of the recess of the rail and keeps the frame part substantially perpendicular to a direction tangential to the (centreline of) the rail.
  • the wheels are each connected to a frame section, which is rotatable with respect to another frame section, about an axis of rotation axially with respect to the rail, in order to move the wheels toward each other.
  • the frame sections are movable toward each other due to the rotation of both parts over a common axis, which can for instance coincide with the axis of transportation.
  • the frame part also comprises a set of wheels or gliders for stabilisation over Z-axes or axis perpendicular to the centreline of the rail and perpendicular to the rotational axes of the driven wheels, which engage the rail out of the recess of the rail.
  • the invention further relates to a combination of two frame parts, as described above, which are coupled to each other and are rotatable relative to each other in all directions, and are provided with support means for a load, such as a seat for a user of the stair lift.
  • Two frame parts, of which each frame part comprises a set of wheels and which are coupled in a rotatable fashion, have the advantage of a combined driving force, and can follow each other during turns, twists and/or bends while offering a stable platform for supporting a user.
  • the frame part may further comprise a support means for a load, such as a seat, which can be impressed relative to the support means by the weight of load or user, and wherein the support means are coupled to a hydraulic cylinder which is coupled to each of the hydraulic actuators to move the respectively first wheels towards the second wheels of the frame parts.
  • a load such as a seat
  • the support means are coupled to a hydraulic cylinder which is coupled to each of the hydraulic actuators to move the respectively first wheels towards the second wheels of the frame parts.
  • the load of the stair lift can be distributed over both frame parts, whereas the load also dictated the clamping force and the amount of pressure and friction required to transport the load effectively.
  • a hydraulic cylinder other mechanisms like springs can also be used to force the wheels towards the rail.
  • At least one of the wheels of the at least one pair of wheels of the first or second frame part is expansible within the recess of the rail, to influence a normal force between the rail and the wheels. Multiplied by the friction coefficient this normal force is resulting in influencing the maximum traction force.
  • the wheel may engage the rail under pre-tension, and be expansible in the recess of the rail by means of a spring element, and/or an electrical, a hydraulic or pneumatic actuator.
  • the combination also comprises a device to correct the orientation of the support means around the coordinate system, as will be explained with reference to figure 1.
  • These axes are all perpendicular to each other (orthogonal) and ensure the desired orientation or levelling of the seat of the stair lift in all directions, in order to maintain a steady orientation of the load.
  • the combination also comprises a controller, to control the propulsion of the different frame parts in a master-slave configuration or in a symmetrical fashion.
  • the axis of rotation of the wheels itself is rotatable about the direction from the recess of the rail where the at least one wheel engages to the centreline of the rail.
  • FIG. 1 shows a coordinate system used to indicate movements
  • FIG. 2 shows a frame part according to the invention
  • FIG. 3 shows a frame part with adjustable engaging pressure
  • 5a, 5b show a stabilising constructions
  • FIG. 7 shows a cross section of a frame part displaying the crossing of its rotation axis being substantially coincident with the virtual engagement point
  • FIG. 8 shows an expansible wheel according to the present invention.
  • Figures 9 a, b show wheels with a rotatable axis of rotation.
  • Figure 1 shows the coordinate system as generally used to indicate movements.
  • a system of coordinates is used.
  • the x-axis is the local tangent to the centerline of the rail.
  • the navigational and/or aviational terms pitch, yaw and roll are used respectively.
  • the drive moves in the direction of the x-axis, unlike vessels and planes, which move in the direction of the z-axis. In other words, the drive moves sideways.
  • Figure 2 shows a frame part on a rail 1 extending along a track, which is at least on one side of its width provided with a recess 2 that extends in a direction 3 tangential to the rail; a frame part 4, provided with at least one set of wheels (A, B), of which at least one wheel B (and in this case both wheels A, B) engage on the rail 1 in the at least recess 2, wherein the wheels are each rotatable about an axis 5, 6 which extends substantially perpendicular to the direction from the recess of the rail where the at least one wheel presses to the centreline of the rail 7 as well as perpendicular to the direction 3 tangential to the rail 1 ; a propulsion 8, 9, to drive the wheels (A, B), wherein the running surfaces of the wheels (A, B) engage at least a part of the recess 2 in a form- fitting manner, characterised in that the cross section of the rail 1 has a substantially smooth shape (see also figure 8).
  • the rail in figure 2 has a substantially dented tube cross section.
  • This cross section can for instance be realised when a cylinder shaped or oval rail is on two opposing sides provided with recesses that extend over predominantly the whole length of the rail.
  • Figure 3 shows a frame part schematically wherein the pressure under which the wheels of the stair lift engage the recess of the rail is adjustable.
  • Two friction wheels (A and B) that engage on for instance opposite sides of the recesses in for instance an apple-core- shaped rail, are movable towards each other.
  • the frame part (4) comprises a first section (4a) and a second section (4b), which are mutually rotatable about an axis (S).
  • At least one of the wheels (B) can be equipped with a hydraulic actuator (HC B , figure 4) , to move the first wheel (B) of the set towards the corresponding second wheel (A).
  • a hydraulic actuator HC B , figure 4
  • a cylinder HC F , figure 4
  • the wheels are each connected to a frame section 4a, 4b, which is rotatable with respect to the other frame section 4b, 4a respectively, about an axis of rotation (S), in order to move the wheels (A, B) toward each other.
  • the hydraulic cylinder HC B is placed underneath friction wheel B, which is mounted to the frame part with hinge S.
  • the distance HC B - S from the hydraulic cylinder to the hinge is larger than the distance B-S from friction wheel B to the axis of rotation (S), causing a leverage effect for the hydraulic cylinder.
  • Figure 4 shows a pre-tensioning system for a drive on a rail 40 comprising two frame parts 4, 4' designed to supplement the needed normal forces on four friction wheels A, B. C, D by means of hydraulic cylinders HCc, HC B , acting on two of the four wheels B, C present in the embodiment shown.
  • a heavy user requires more traction and thus larger normal forces on the friction wheels than a light user.
  • the initial intension is to make the hydraulic pressure dependent on the weight of the user by placing another hydraulic cylinder underneath the user platform.
  • the friction wheels A and D already experience a certain normal force as a result of the vertical force caused by the user platform, acting on the virtual centre of gravity 41.
  • Wheels B and C are equipped with hydraulic cylinders HC B and HCc respectively.
  • the pre-tensioning force from HC B acts on wheel B, but also on wheel A.
  • the hydraulic pressure is obtained from hydraulic cylinder HC 3 ⁇ 4 mounted underneath a seat 10.
  • the system may also be split up into separate systems, one for each frame part. The system provides possibility to easily implement seat adjustment.
  • a combination of springs, pneumatics and hydraulics may be used to generate required forces.
  • Figure 5 shows a case wherein two friction wheels which are positioned at both sides of the rail do not have enough stability themselves to keep a virtual plane perpendicularly oriented to the tangent 11 of the rail. Stability around the z-axes can be obtained by introducing a stabilizing construction.
  • a stabilizing construction To stabilize the rotation of a frame part about its z-axis ("roll") a set of four coupled guiding elements is introduced.
  • the guiding elements are rollers 12a,b , but sliding elements could also be used.
  • Two guiding elements 12a run ahead of the frame part and two 12b, run behind the frame part, when the frame part is moving in the direction 13.
  • rollers 12b are rolling ahead of the driving wheels A, B, and rollers 12a are rolling behind wheels A, B. Since the guiding elements are placed on the left and the right side of the frame part, they need to be able to translate in the direction of the y-axis of the frame part and/or need sufficient distance 14 between rolls and tube to be able to drive through tight curves allowing room needed to drive through convex and concave curves to prevent the frame part from getting stuck on the rail on convex or concave rail sections, as depicted in figures 5a, 5b. Since the stabilizing construction has a substantially stable orientation on the rail. Because it prevents rotation with respect to the z-axis of the frame part after allowing a minimum or translation or rotation by the clearance, it keeps the frame part substantially perpendicular to the track.
  • Figure 6 shows three smooth dented rails according to the invention.
  • a single-dented shaped 15 is shown, formed from a tube with a circular cross section 15a, provided with a recess 15b.
  • the recess 15b has a dent which has an essentially L-shaped cross- section, with smooth edges.
  • the L-shape ensures grip to the wheel and prevents rotation of the frame about the axial rotation of the wheel and prevents rotation of the frame part about the tangential direction of the rail.
  • a double-dented rail 16 is shown, which is made from a tube with a circular cross section, in which two dents 16a, 16b are formed. The dents may be seen as parts of the surface of the tube, where the surface is bent inside out.
  • the two dents in the example shown each have a circumference equal to the original circumference of the tube the dent was formed from. Also the non-dented areas of the tube substantially do have the same radius as the non-dented tube's radius. The areas where the dents meet the original diameter are smooth.
  • a triple-dented rail 17 with three recesses 17a, 17b, 17c is shown. Like the example with two dents, the dents are at equal mutual distances.
  • Figure 7 shows a cross section of a frame part 18 displaying the crossing of its rotation axes 19 and 20 being substantially coincident with the virtual engagement point 21.
  • Figure 8 shows another embodiment where at least one of the wheels 22 of the at least one pair of wheels of the frame part 18 is expansible within the recess 23 of the rail, to influence a normal force between the rail and the wheels, which multiplied by the friction coefficient is resulting in influencing the traction force.
  • the expansibility is obtained by having two wheel parts that can be moved with respect to each other in the direction of the axis of rotation of the wheel.
  • the wheel may engage the rail under pretension, and be expansible in the recess of the rail by means of a spring element 24, and/or an electrical, a hydraulic or pneumatic actuator.
  • Figures 9a and 9b show yet a further embodiment wherein the axis of rotation of the wheels itself is rotatable about the direction 25 from the recess of the rail where the at least one wheel engages to the centreline of the rail.
  • This has advantage that squeezing or wrenching of the wheels is reduced in twists 26 of the track.
  • the wheels may follow the twist 26 in the track. This way the wheels are forced in a position where they encounter the least rolling resistance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Escalators And Moving Walkways (AREA)

Abstract

La présente invention concerne un mécanisme d'entraînement de monte-escalier comprenant un rail s'étendant le long d'un chemin de roulement, qui est au moins sur un côté de sa largeur pourvu d'un évidement qui s'étend dans une direction tangentielle au rail, une partie châssis pourvue d'au moins un ensemble de roues, dont au moins une roue se met en prise sur le rail dans le ou les évidements, les roues pouvant chacune se mettre en rotation autour d'un axe qui s'étend de manière sensiblement perpendiculaire à la largeur du rail ainsi que de manière perpendiculaire à la direction axiale du rail; une propulsion, pour entraîner au moins une des roues, les surfaces de roulement des roues mettant en prise au moins une partie de l'évidement en épousant sa forme, et la section transversale du rail étant de forme sensiblement uniforme.
PCT/NL2013/050894 2012-12-19 2013-12-12 Système d'entraînement de monte-escalier pour rail denté uniforme WO2014098573A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2015549294A JP6414825B2 (ja) 2012-12-19 2013-12-12 滑らかな窪みレール用の階段昇降機駆動システム
CN201380073234.2A CN104995119B (zh) 2012-12-19 2013-12-12 用于光滑凹形导轨的楼梯升降机驱动系统
EP13818482.5A EP2935072B1 (fr) 2012-12-19 2013-12-12 Système d'entraînement de monte-escalier pour rail denté uniforme
ES13818482.5T ES2628978T3 (es) 2012-12-19 2013-12-12 Sistema de accionamiento de ascensor combinado a escaleras para un raíl dentado uniforme

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2010012 2012-12-19
NL2010012A NL2010012C2 (en) 2012-12-19 2012-12-19 Stair lift drive system for a smooth dented rail.

Publications (2)

Publication Number Publication Date
WO2014098573A2 true WO2014098573A2 (fr) 2014-06-26
WO2014098573A3 WO2014098573A3 (fr) 2014-09-04

Family

ID=47790453

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2013/050894 WO2014098573A2 (fr) 2012-12-19 2013-12-12 Système d'entraînement de monte-escalier pour rail denté uniforme

Country Status (6)

Country Link
EP (1) EP2935072B1 (fr)
JP (1) JP6414825B2 (fr)
CN (1) CN104995119B (fr)
ES (1) ES2628978T3 (fr)
NL (1) NL2010012C2 (fr)
WO (1) WO2014098573A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016170038A1 (fr) 2015-04-21 2016-10-27 Thyssenkrupp Accessibility B.V. Monte-escalier
WO2018093251A1 (fr) 2016-11-15 2018-05-24 Morpho B.V. Document de sécurité comportant des images d'inclinaison d'authentification positive et négative
WO2022003332A1 (fr) 2020-06-30 2022-01-06 Stannah Stairlifts Limited Améliorations apportées ou relatives à des monte-escaliers
EP4431433A1 (fr) 2023-03-16 2024-09-18 Wheel Up Système de transport pour transporter un danger

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CN106144845A (zh) * 2016-04-20 2016-11-23 深圳职业技术学院 一种运输助力装置
CN106865386A (zh) * 2017-04-05 2017-06-20 深圳市晓控通信科技有限公司 一种基于物联网的用于老人乘坐的智能扶梯机械手
CN111704002A (zh) * 2020-06-08 2020-09-25 泉州市泉港区竞丰工业设计服务中心 一种用于扶手楼梯爬升的运货机器人导向装置

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JP4275246B2 (ja) * 1998-11-02 2009-06-10 クマリフト株式会社 いす式階段昇降装置
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GB2409446B (en) * 2003-12-10 2006-08-30 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
GB0404647D0 (en) * 2004-03-02 2004-04-07 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
CN2853731Y (zh) * 2005-11-28 2007-01-03 周度 携物上楼可省力的轨道装置
GB0620861D0 (en) * 2006-10-20 2006-11-29 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016170038A1 (fr) 2015-04-21 2016-10-27 Thyssenkrupp Accessibility B.V. Monte-escalier
EP3683180A1 (fr) 2015-04-21 2020-07-22 thyssenkrupp Stairlifts B.V. Monte-escalier
WO2018093251A1 (fr) 2016-11-15 2018-05-24 Morpho B.V. Document de sécurité comportant des images d'inclinaison d'authentification positive et négative
US10913300B2 (en) 2016-11-15 2021-02-09 Morpho B.V. Security document with positive and negative authentication tilt images
WO2022003332A1 (fr) 2020-06-30 2022-01-06 Stannah Stairlifts Limited Améliorations apportées ou relatives à des monte-escaliers
GB2598657A (en) * 2020-06-30 2022-03-09 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
EP4431433A1 (fr) 2023-03-16 2024-09-18 Wheel Up Système de transport pour transporter un danger

Also Published As

Publication number Publication date
JP6414825B2 (ja) 2018-10-31
JP2016505467A (ja) 2016-02-25
CN104995119B (zh) 2018-05-01
CN104995119A (zh) 2015-10-21
WO2014098573A3 (fr) 2014-09-04
NL2010012C2 (en) 2014-06-23
EP2935072B1 (fr) 2017-03-29
EP2935072A2 (fr) 2015-10-28
ES2628978T3 (es) 2017-08-04

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