EP2913290B1 - Staircase elevator device - Google Patents

Staircase elevator device Download PDF

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Publication number
EP2913290B1
EP2913290B1 EP14156811.3A EP14156811A EP2913290B1 EP 2913290 B1 EP2913290 B1 EP 2913290B1 EP 14156811 A EP14156811 A EP 14156811A EP 2913290 B1 EP2913290 B1 EP 2913290B1
Authority
EP
European Patent Office
Prior art keywords
movable platform
staircase
elevator
modular
movable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP14156811.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2913290A1 (en
Inventor
Aikaterini Vamvaca
Nikolaos Dimitriou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Analytical Instruments SA
Original Assignee
Analytical Instruments SA
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 Analytical Instruments SA filed Critical Analytical Instruments SA
Priority to EP14156811.3A priority Critical patent/EP2913290B1/en
Priority to PL14156811.3T priority patent/PL2913290T3/pl
Publication of EP2913290A1 publication Critical patent/EP2913290A1/en
Application granted granted Critical
Publication of EP2913290B1 publication Critical patent/EP2913290B1/en
Priority to CY20161100691T priority patent/CY1117789T1/el
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B9/0869—Collapsible stairways, e.g. operable between a lower level and an upper level

Definitions

  • the present invention relates to a Staircase Elevator Device universally suitable for ascending/descending from a few steps up to any given number of steps of a staircase according to Claim 1.
  • the present invention relates generally to powered devices for ascending and descending staircases between floors. Persons, especially elderly or disabled, ascending or descending stairs often need powered mechanical asistance. To this end the following kinds of devices are currently in use.
  • Document NL 2 004 022 C discloses a staircase elevator device for ascending/descending any given number of steps of a staircase comprising an equal to the staircase steps number of modular step elevators, each individual modular step elevator being associated with one step of the staircase, each modular step elevator comprising a base arranged on the horizontal surface of the staircase step the modular step elevator is associated with and shaped according to the shape of the horizontal surface of the staircase step and a movable platform having the same shape as the base and beeing able to be moved up or down between the base of the modular step elevator and the level of the lower position of the movable platform of the modular step elevator associated with the next higher staircase step by means of an electric, pneumatic or hydraulic actuator.
  • the movable platform has at least one handhold beeing arranged on one side of the movable platform essentialy verticaly to the riser and to the movable platform, whereby the electric, pneumatic or hydraulic actuator is controllable by a user by means of control means provided on at least one handhold of the movable platform, whereby the first step is an area of the floor level of the lower floor and the last step an area of the floor level of the higher floor, the last step beeing not associated with a modular step elevator, whereby the movable platform of the modular step elevator associated with the second last step is able to be moved up or down between the base and the level of the floor level of the higher floor.
  • a Staircase Elevator Device suitable for ascending/desending any given number of steps of a staircase comprising an equal to the staircase steps number of modular step elevators which according to the invention are firmly combined by one or two long metal profiles in a stable, united and all-integrated Device, each individual modular step elevator beeing associated with one step of the staircase and according to the invention connected with the step in a non-destructive way, e.g.
  • each modular step elevator comprising a base which is firmly arranged on the horizontal surface of the staircase step the modular step elevator is associated with and shaped according to the shape of the horizontal surface of the staircase step and a movable platform having the same shape as the base and being able to be moved up or down between the base of the modular step elevator and the level of the lower position of the movable platform of the modular step elevator associated with the next higher staircase step by means of an electric, pneumatic or hydraulic actuator, the movable platform having at least one handhold beeing arranged on one side of the movable platform preferrably essentialy verticaly to the riser and to the movable platform, whereby the electric, pneumatic or hydraulic actuator is controllable by the user by means of control means provided on at least one handhold of the movable platform.
  • the control means can be control buttons or a control stick and can also comprise an alarm button.
  • the movable platform has two handholds they are arranged at opposite sides of the movable platform verticaly to the riser and to the movable platform.
  • the first step is an area of the floor level of the lower floor and the last step an area of the floor level of the higher floor, the last step beeing not associated with a modular step elevator, whereby the movable platform of the modular step elevator associated with the second last step is able to be moved up or down between the base and the level of the floor level of the higher floor.
  • the bases of the modular step elevators associated with one staircase between two floors are according to the invention firmly connected to each other by means of at least one, preferably one or two stable profiles in a stable, united and all-integrated Device.
  • the profile is running along and parallel to the inclination of the staircase from the lower floor to the higher floor and can serve also as a guide channel for the cables and/or tubing needed for the operation of the actuators of the movable platforms as stated in the characterizing part of claim 1.
  • groups of successive arranged modular step elevators are firmly connected to each other by means of at least one stable profile.
  • the operation of the Staircase Elevator Device according to the present invention for ascending is as follows:
  • the user holds the handholds of the lowest 'first' modular staircase elevator and stands on its movable platform.
  • By pressing an "up" button on the handhold or by suitably operating a control stick the 'first' platform ascents to the level of the next, 'second' movable platform of the modular staircase elevator associated with the next higher staircase step, which is in the lower position, namely on the base thereof.
  • the two movable platforms are at this stage at the same level and the user holds the handholds of the second movable platform and moves from the 'first' on the 'second' movable platform and stands on it.
  • the 'second' movable platform By pressing the "up" push button on the handhold the 'second' movable platform he ascents to the level of the next 'third' movable platform and so on and so forth until the higher floor is reached.
  • the same procedure as for ascenting applies for descending the stairs of the staircase by pressing the "down” button or by suitably operating a control stick of the respective handholds.
  • the process of ascending and descending can also be automated, whereby the movable platforms are moved sequentially up or down according to the operation mode at predefined, adjustable time intervals. In case the time intervals are too short or problems arise the user can operate an alarm button arranged on the handholds stopping the movement.
  • the handholds of each movable platform comprise also a touch sensor, whereby the movement of the movable platform comprising the handhold starts when the touch sensor is dampened for a predefined time.
  • the Staircase Elevator Device according to the invention does not interfere with normal use of the stairs, when it is not in use.
  • the use of the Staircase Elevator Device according to the invention results in a reduction in tooling costs and in the costs of ongoing maintenance, because of its flexibility and simplicity in installation and use.
  • the Staircase Elevator Device can be adapted to enable ascenting and descenting from a few steps, e.g. 2-3 steps up to unlimited number of steps depending on the number of steps of the staircase.
  • a modular step elevator of a Staircase Elevator Device suitable for ascending/descending any given number of steps of a staircase comprises a base 1 firmly arranged in a non-destructive way on the horizontal surface of the staircase step the modular step elevator is associated with and shaped according to the shape of the horizontal surface of the staircase step and a movable platform 2 having the same shape as the base 1 and beeing able to be moved up or down between the base 1 of the modular step elevator and the level of the lower position of the movable platform of the modular step elevator associated with the next higher staircase step by means of an electric, pneumatic or hydraulic actuator.
  • the base can be metallic and/or wooden and has the shape of the horizontal surface of the staircase step, to which it is assigned.
  • the movable platform 2 shown in Figure 1 has two handholds 3 beeing arranged at opposite sides of the movable platform 2 verticaly to the riser and to the movable platform 2, whereby the actuator of the is modular step elevator is controllable by a user by means of control means 4 provided on at least one handhold 3 of the movable platform 2.
  • the movable platform 2 is electrically driven by means of an electric motor 6 and preferably trapezoidal screws 5 fixed vertically near the corners of the base 1 and passing through holes of the movable platform 2.
  • the motor is a 12V motor with a housing vertically fixed on top of the the movable platform 2.
  • At least one suitable, recharchable battery for providing the electric energy for the motor 6 of the modular step elevators of the Staircase Elevator Device is provided (not shown).
  • the motor 6 drives a first motor pulley 7 which is connected by means of a first timing belt 8 with a central reduction pulley 9 which is arranged on a shaft 10 on which a second and a third pulley 11, 12 serving as distribution pulleys are arranged.
  • the first, second and third pulley 9, 11, 12 are rotating with the shaft 10.
  • the second and third pulley 11,12 transfer momentum by means of second and third belts 13, 14 to peripheral pulleys 15, 16, 17, 18, whereby each peripheral pulley 15,16,17,18 drives a nut 19 on each trapezoidal screw 5, screwing or unscrewing them along the trapezoidal screws 5, thus converting the rotational movement into an up or down movement and driving the inner rings of the ball bearings 20 to ascent or descent, whereby the outer rings of the ball bearings 20 are fixed to the movable platform 2.
  • the inner rings of the bearings 20 are revolved by the trapezoidal nuts 19.
  • A can be taken by Figure 1 , the trapezoidal screws 5 are partialy guided (the upper part thereof depending on the movement of the movable platform 2) through the handholds 3, which are configured as hollow bodies. In order to show this feature a part of the left part of the left handhold 3 is not shown so that the upper part of the screw 5 guided through the handhold can bee seen.
  • the modular step elevator comprises a height adjustment screw 21 which is preadjusted to stop the movement of the movable platform 2 at the level of the lower position of the movable platform of the modular step elevator associated with the next higher staircase step.
  • FIG. 1 shows the bases 1 of the modular step elevators associated with one staircase between two floors are firmly connected to each other by means of at least one stable profile 22 in a stable, united and all-integrated Device, whereby the at least one profile 22 is running along and parallel to the inclination of the staircase from the lower floor to the higher floor and can serve also as a guide channel for the cables needed for the operation of the actuators of the movable platforms 2.
  • side vertical plates 23 can be provided which are fixed at one or both sides of the base 1, on which the at least one profile 22 is affixed.
  • the Staircase Elevator Device also comprises limit-switches and relays used to activate the motors of the modular step elevators in order to be controllable by the user for up or down movement either separately for each modular step elevator or sequentially for all modular step elevators on the staircase steps.
  • the embodiment shown in Figure 2 differs from the embodiment shown in Figure 1 in that the the movable platform 2 is electrically driven by means of an electric motor 6 and toothed racks 28 fixed vertically near the corners of the base 1, passing through proper holes of the movable platform 2 and partialy guided (the upper part thereof depending on the movement of the movable platform 2) through the handholds 3, which are configured as hollow bodies.
  • the motor 6 is coupled to a gear box 24 for speed reduction, whereby the momentum is transferred from the gear box 24 by sprockets 25 and chains 26 to peripheral gears 27 arranged on axles 29 according to the principle of a chain drive, which are movable up or down along the racks 28, thus carrying upwards or downwards the movable platform 2, at which the ends of the axles 29 are rotatably fixed.
  • the peripheral gears 27, engaged to the racks 28 provide synchronous and parallel movement of the movable platform 2 by elevating it at the preadjusted height by a height adjustment screw shown in Figure 1 at the level of the lower position of the movable platform of the modular step elevator associated with the next higher staircase step.
  • roller means 30 assigned to each rack 28 arranged on axles can be provided to avoid friction between the racks 28 and to ensure a smooth movement of the movable platform 2.
  • the embodiment shown in Figure 3 differs from the embodiment shown in figure 1 in that the the movable platform 2 is pneumatically or hydraulically driven by means of pneumatic or hydraulic cylinders 31 and toothed racks 32, fixed vertically near the corners of the base 1, passing through proper holes of the movable platform 2 and partialy guided (the upper part thereof depending on the movement of the movable platform 2) through the handholds 3, which are configured as hollow bodies.
  • the cylinders 31 are fixed vertically at both sides on the top of the movable platform 2 and have piston rods 33 fixed on the base 1, initiating the up or down movement of the movable platform 2.
  • the compressed air or oil moves the pistons rods 33 depending on the operation mode up or down, thus changing the distance between the base 1 and the movable platform 2.
  • the compressed air or oil of an air compressor or oil pump moves through a tubing and corresponding air or oil valves the piston rods 33 vertically and in synchronous mode, which are movable the platform 2 at a height preadjusted by a height adjustment screw (not shown).
  • the movement of the movable platform 2 can be supported by peripheral gears 34, engaged to the racks 32, providing synchronous up or down movement of the movable platform 2.
  • a chain 37, sprockets 35 and axles 36 are provided, transferring synchronous rotation to peripheral gears 34 engaged to the racks 32, whereby for each side of the modular step elevator an axle 36 is provided, on which a sprocket 35 and gears 34 assigned to the racks 32 are firmly arranged.
  • the sprockets 35 of both sides are connected to reach other by means of a revolving chain 37 for synchronization.
  • roller means 30 assigned to each rack 32 arranged on axles can be provided to avoid friction between the racks 32 and to ensure a smooth movement of the movable platform 2.
  • the Staircase Elevator Device also comprises flow controls for regulating the upwards or downwards speed of the movable platform 2, either separately for each movable platform 2 or sequentially for all movable platforms 2 on the staircase steps.
  • the bases 1 of the modular step elevators associated with one staircase between two associated with one staircase between two floors are firmly connected to each other by means of at least one stable profilen in a stable, united and all-integrated Device, whereby the profile Is running along and parallel to the inclination of the staircase from the lower floor to the higher floor and can serve as a guide channel for the cables and the tubing needed for the operation of the pneumatic or hydraulic cylinders of the movable platforms 2.
  • FIG. 4 shows a Staircase Elevator Device according to the invention comprising 18 modular step elevators installed on a staircase having 18 steps.
  • the bases of the modular step elevators associated with the staircase are firmly connected to each other by means of a stable profile 22 running along and parallel to the inclination of the staircase from the lower floor to the higher floor.
  • the operation of the Staircase Elevator Device for ascending is as follows:
  • the user holds the handholds of the lowest 'first' modular staircase elevator and stands on its movable platform ( figure 5a ).
  • By pressing an "up" button on the handhold or by suitably operating a control stick the 'first' platform ascents to the level of the next, 'second' movable platform of the modular staircase elevator associated with the next higher staircase step, which is in the lower position ( Figure 5b ).
  • the two movable platforms are at this stage at the same level and the user holds the handholds 3 of the second movable platform and moves from the 'first' on the 'second' movable platform and stands on it ( Figure 5b ).
  • the 'second' movable platform By pressing the "up" push button or by suitably operating a control stick on the handhold the 'second' movable platform he ascents to the level of the next 'third' movable platform ( Figure 5c, Figure 5d ) and so on and so forth until the 17 th step ( Figure 5e ) and the higher floor is reached ( Figure 5f ).
  • the same procedure as for ascenting applies for descending the stairs of the staircase by pressing the "down" button or by suitably operating a control stick of the respective handholds 3.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Handcart (AREA)
EP14156811.3A 2014-02-26 2014-02-26 Staircase elevator device Not-in-force EP2913290B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14156811.3A EP2913290B1 (en) 2014-02-26 2014-02-26 Staircase elevator device
PL14156811.3T PL2913290T3 (pl) 2014-02-26 2014-02-26 Schodowe urządzenie dźwigowe
CY20161100691T CY1117789T1 (el) 2014-02-26 2016-07-15 Μηχανισμος αναβατοριου κλιμακοστασιου

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156811.3A EP2913290B1 (en) 2014-02-26 2014-02-26 Staircase elevator device

Publications (2)

Publication Number Publication Date
EP2913290A1 EP2913290A1 (en) 2015-09-02
EP2913290B1 true EP2913290B1 (en) 2016-04-27

Family

ID=50159135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14156811.3A Not-in-force EP2913290B1 (en) 2014-02-26 2014-02-26 Staircase elevator device

Country Status (3)

Country Link
EP (1) EP2913290B1 (pl)
CY (1) CY1117789T1 (pl)
PL (1) PL2913290T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600071622A1 (it) 2016-07-08 2018-01-08 Giovanni Teglia Dispositivo di ausilio per salire/scendere scale
CN117088219A (zh) * 2023-09-06 2023-11-21 任丘市杰东机械配件有限公司 移步举升式步行机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2004022C2 (nl) * 2009-12-24 2011-09-09 Univ Twente Tredeliftsamenstel, tredelift en werkwijze.

Also Published As

Publication number Publication date
PL2913290T3 (pl) 2016-11-30
CY1117789T1 (el) 2017-05-17
EP2913290A1 (en) 2015-09-02

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