EP1125882B1 - Dispositif pour le transport le long d'une montée ou d'un escalier - Google Patents

Dispositif pour le transport le long d'une montée ou d'un escalier Download PDF

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Publication number
EP1125882B1
EP1125882B1 EP01200429A EP01200429A EP1125882B1 EP 1125882 B1 EP1125882 B1 EP 1125882B1 EP 01200429 A EP01200429 A EP 01200429A EP 01200429 A EP01200429 A EP 01200429A EP 1125882 B1 EP1125882 B1 EP 1125882B1
Authority
EP
European Patent Office
Prior art keywords
guide
carriage
drive
drive mechanism
ball
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.)
Expired - Lifetime
Application number
EP01200429A
Other languages
German (de)
English (en)
Other versions
EP1125882A1 (fr
Inventor
Dennis Vroegindeweij
Martinus Josephus Hester
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.)
Freelift BV
Original Assignee
Freelift BV
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 Freelift BV filed Critical Freelift BV
Publication of EP1125882A1 publication Critical patent/EP1125882A1/fr
Application granted granted Critical
Publication of EP1125882B1 publication Critical patent/EP1125882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B9/0807—Driving mechanisms
    • B66B9/0815—Rack and pinion, friction rollers

Definitions

  • the present invention relates to a device for ascending or descending an incline or staircase, such as a stair lift, a stair walking aid or a wheelchair lift, which device is displaceable along at least one elongate guide disposed along the incline or staircase.
  • Such a device is known from the European patent application 0.143.737.
  • the device known herefrom is displaceable along two guides which run mutually parallel and which are curved three-dimensionally. Driving of the device along the guides takes place with a type of toothed wheel as component of a drive mechanism, which toothed wheel engages teeth on one of the two guides and wherein the wheel is driven.
  • the known device has the drawback that in order to follow the three-dimensionally curved form of particularly the guide along which the device is driven, the toothed wheel is pivotable three-dimensionally in a voluminous construction, which also comprises a counter-wheel for clamping the guide.
  • This construction is bulky because use is made of a configuration comparable to a planetary gear system, wherein three axes of rotation are applied which are mutually intersecting in the central axis of the guide.
  • the configuration is also bulky because of the space required to realize the three axes of rotation located at a mutual distance.
  • the device when the known device is used along a staircase, where there is usually only a limited amount of space available, the device, as a result of the voluminous configuration of the drive mechanism, forms an obstruction for persons who wish to walk along the staircase or incline without using the device.
  • the configuration of the drive mechanism of the known device is substantially open, which can cause a safety problem. There is the possible risk of items of clothing, or even body parts, being caught between the guide and the drive mechanism due to the open nature thereof.
  • the present invention has for its object to obviate or at least diminish the above stated problems, for which purpose a device is provided which is distinguished in that it comprises:
  • a device and particularly a drive mechanism according to the present invention provides a very compact configuration with which space is saved. It is moreover possible with a ball-shaped drive mechanism which forms a ball joint in the frame to pass smoothly through extremely short bends.
  • a device preferably has the feature that at least two drive mechanisms, each forming a ball joint, are connected to the carriage, wherein at least in respect of position the drive mechanisms are independent of each other relative to the carriage and the guide.
  • a device has the feature that the at least one drive mechanism is connected to a drive for advancing the carriage along the guide.
  • a further space saving is achieved by a combination of the drive mechanism and the drive, which for instance increases the space on a staircase which remains available for users who make no use of the device.
  • a device according to the invention can have the feature that either of the at least two drive mechanisms is each connected to a separate drive.
  • two lighter motors can be used instead of one relatively heavy motor, which particularly in the negotiating of a bend could cause an imbalance in the tensile force between the two drive mechanisms. Integrating of two motors further provides an increased certainty, so that no additional provisions are required for this purpose, such as speed-limiters and a braking mechanism. It is noted that a braking mechanism is used to block a fall along the guide of the device should a device with a single motor fail. By providing two motors full functioning of the device can be performed, within a good margin of certainty, by a single motor if the other one were to fail. An additional braking mechanism is thus no longer necessary.
  • a device has the feature that between the carriage and the at least one drive mechanism forming a ball joint is arranged a limiter for limiting the position hereof relative to the carriage and to the guide.
  • At least one support wheel is advantageously arranged in the interior of at least one ball-shaped drive mechanism.
  • This support wheel can support against a gear rack on the guide, so that apart from the ball-shaped drive mechanism no extra provisions have to be made for this purpose. With the support wheel the ball-shaped drive mechanism is then held upright relative to this gear rack, while further space is saved once again.
  • a device with at least one drive mechanism which is connected to a drive for advancing the carriage along the guide, has the feature that at least one drive wheel is arranged in the interior of the at least one ball-shaped drive mechanism. This also achieves an additional space-saving since no separate drive wheel has to be arranged outside the ball-shaped drive mechanism.
  • Fig. 1 shows a device 1 according to the present invention.
  • Device 1 is displaceable along a guide 2 comprising a tube 5, which tube 5 is curved three-dimensionally and wherein a gear rack 6 is arranged on the underside of tube 5 in the embodiment shown here.
  • Device 1 comprises a carriage 3 on which a seat 4 and a foot rest 7 are tiltably arranged.
  • the guide 2 will extend along a staircase, wherein device 1 serves to enable transport of persons upward and downward along the staircase on seat 4, without these persons having to walk along the stairs.
  • the carriage 3 is closed with a housing 8.
  • Carriage 3 comprises a frame 10 on which a bracket 9 is arranged in tiltable and driven manner.
  • Seat 4 of fig. 1, or alternatively a platform if the device is a wheelchair lift, can be mounted on bracket 9.
  • Bracket 9 can be tilted in order to hold seat 4 or alternatively the platform upright, irrespective of the position of carriage 3.
  • Drive mechanisms 11 are arranged in frame 10.
  • Drive mechanisms 11 are each connected to the frame with forming of a ball joint and are each at least partly ball-shaped.
  • Drive mechanisms 11 are thus freely rotatable on their imaginary centre (not designated with a reference numeral).
  • a limiter to be further described hereinbelow limits the freedom of movement to the necessary range.
  • the ball-shaped drive mechanisms 11 each have a passage 12 through which the guide runs in the mounted state of carriage 3. Particularly on the upper side of passage 12 in fig. 2 are arranged support wheels 13 which in the mounted state lie against tube 5 of guide 2. Carriage 3 is as it were suspended from guide 2 on these wheels.
  • At least one of the drive mechanisms 11 is provided with a limiter 23.
  • the limiters comprise bolt 24 which protrudes into a passage 25 in a bottom plate 26 of frame 10.
  • the edges of passage 25 form a stop for bolt 24, whereby the angle of rotation of drive mechanism 11 is limited within boundaries corresponding with the edges of opening 25.
  • fig. 5 shows a suspension 27 which is fixed to the tube 5 of guide 2 and forms a connection to a support construction, such as a wall.
  • the support wheels 13 shown in fig. 5 herein pass along the top of suspension 27 and the parts of drive mechanisms 11 situated under tube 5 also run clear of this suspension 27.
  • the drive mechanisms 11 will be further elucidated hereinbelow with reference to fig. 3 and 4, where one of the drive mechanisms 11 is shown in each case in different perspective views.
  • the drive mechanisms 11 comprise metal bodies 15, of which at least a part of the outer surface is spherical 14. This spherical part 14 is accommodated in frame 10 in a manner corresponding with a ball bearing, as shown in fig. 2. Drive mechanisms 11 can thus rotate round their imaginary centre. Independently of each other the drive mechanisms 11 can herein take up a position corresponding with the progression of guide 2. Because drive mechanisms 11 are received in the frame as ball joints and can rotate round their imaginary centre, they take up such positions corresponding to the progression of guide 2 in a very smooth manner, without jerking and jolting.
  • Fig. 4 shows that additional running wheels 16 are provided which, due to their contact with the gear rack, maintain the orientation of drive mechanisms 11 relative to the tube 5 of guide 2.
  • further running wheels 18 are situated with their running surface against strip 18 on the side surface 17 of gear rack 6 so as to thus effect an advantageous play of forces.
  • a drive wheel 19 which is connected to an electric motor 21 via a transmission 20.
  • Drive wheel 19 is a toothed wheel which acts, when driven by electric motor 21, on the gear rack 6 of guide 2.
  • Carriage 3 can hereby be driven up and down along guide 2.
  • a battery or batteries 22 is or are arranged on frame 10, which serve for electrical power supply to electric motors 21.
  • Fig. 5 otherwise shows carriage 3 of fig. 2 in a situation where it is assembled with guide 2.
  • each of the drive mechanisms 11 comprises a drive.
  • a single drive mechanism 11 with drive, or even a drive separate of drive mechanisms 11, is possible within the scope of the present invention.
  • By providing both drive mechanisms 11 with a separate drive the safety of device 1 is increased.
  • One of the two motors can break down, whereafter device 1 continues to function properly.
  • a braking mechanism to prevent device 1 falling downward out of control along guide 2 is therefore no longer strictly necessary.
  • both motors can take a relatively light form.
  • the position of carriage is substantially determined by the connecting line between the imaginary centres of drive mechanisms 11, which are substantially ball-shaped. Because drive mechanisms 11 are substantially ball-shaped, the space required therefor is minimal, as is the distance between the imaginary centres thereof. A very short bend, i.e. a bend with a small radius, can thus be passed smoothly. Also possible within the scope of the present invention is a single drive mechanism which is ball-shaped and connected to the frame with forming of a ball joint. A considerable space-saving and a very smooth travel behaviour and rotation behaviour are both retained. For the purpose of position determination of the carriage relative to the guide, a number of running wheels can then simply be provided round the periphery of the guide instead of the second ball-shaped drive mechanism 11 described in the above specified embodiment.
  • the drive mechanisms according to the invention are ball-shaped, they will, when a drive is also incorporated therein, screen the contact area between inter alia the drive and guide 2, thus providing a safety against the possible danger of items of clothing and/or body parts being caught between the drive and the guide.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Handcart (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Ladders (AREA)
  • Tents Or Canopies (AREA)

Claims (7)

  1. Dispositif pour monter ou descendre un pan incliné ou un escalier, comme par exemple un ascenseur d'escalier, une aide à la marche dans un escalier ou un élévateur de fauteuil roulant, lequel dispositif (1) est déplaçable le long d'au moins un guide allongé (2) disposé le long du pan incliné ou de l'escalier, et comprend :
    un chariot (3) qui est déplaçable le long du guide (2), le chariot comprenant un cadre (10) et sur lequel peuvent être disposés des moyens d'assistance pour monter ou descendre, comme par exemple un siège pivotant ou une plate-forme d'élévateur; et
    au moins un mécanisme d'entraínement (11) monté sur le chariot (3) pour coopérer avec le guide (2),
    caractérisé en ce que le mécanisme d'entraínement est sensiblement en forme de rotule et est raccordé au cadre (10) en formant un joint à rotule.
  2. Dispositif selon la revendication 1, dans lequel au moins deux- mécanismes d'entraínement (11), formant chacun un joint à rotule, sont raccordés au chariot (3), dans lequel au moins en rapport avec la position les mécanismes d'entraínement (11) sont indépendants l'un de l'autre par rapport au chariot (3) et au guide (2).
  3. Dispositif selon la revendication 1 ou 2, dans lequel le au moins un mécanisme d'entraínement (1) est raccordé à une unité d'entraínement (21) pour faire avancer le chariot (3) le long du guide (2).
  4. Dispositif selon les revendications 2 et 3, dans lequel l'un ou l'autre des au moins deux mécanismes d'entraínement (11) est raccordé respectivement à une unité d'entraínement séparée (21).
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel entre le chariot (3) et le au moins un mécanisme d'entraínement (11) formant un joint à rotule est disposé un limiteur (23) servant à limiter sa position par rapport au chariot (3) et au guide (2).
  6. Dispositif selon l'une quelconque des revendications précédentes, dans lequel au moins une roue de support (13) est disposée à l'intérieur du au moins un mécanisme d'entraínement (11) en forme de rotule.
  7. Dispositif selon l'une quelconque des revendications 3 à 6, dans lequel au moins une roue motrice (19) est disposée à l'intérieur du au moins un mécanisme d'entraínement (11) en forme de rotule.
EP01200429A 2000-02-16 2001-02-06 Dispositif pour le transport le long d'une montée ou d'un escalier Expired - Lifetime EP1125882B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1014396 2000-02-16
NL1014396A NL1014396C2 (nl) 2000-02-16 2000-02-16 Inrichting voor transport langs helling of trap.

Publications (2)

Publication Number Publication Date
EP1125882A1 EP1125882A1 (fr) 2001-08-22
EP1125882B1 true EP1125882B1 (fr) 2004-11-17

Family

ID=19770827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01200429A Expired - Lifetime EP1125882B1 (fr) 2000-02-16 2001-02-06 Dispositif pour le transport le long d'une montée ou d'un escalier

Country Status (5)

Country Link
EP (1) EP1125882B1 (fr)
JP (1) JP4909464B2 (fr)
AT (1) ATE282577T1 (fr)
DE (1) DE60107127T2 (fr)
NL (1) NL1014396C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7225899B2 (en) 2004-04-12 2007-06-05 Rutherford Independence Limited Stair lift device
US7328774B2 (en) 2003-08-06 2008-02-12 Rutherford Independence Limited Lift drive device
CN101268007B (zh) * 2005-10-06 2010-06-02 自由提升有限公司 倾斜提升单元和倾斜提升机
EP3697715B1 (fr) 2017-10-17 2022-12-07 Extrema S.r.l. Chariot et appareil de support coulissant pour monte-escalier

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1022760C2 (nl) * 2003-02-22 2004-08-24 Ooms Otto Bv Inrichting voor het van een eerste naar een tweede niveau transporteren van een last, in het bijzonder traplift.
GB2421236B (en) * 2004-11-13 2008-08-27 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
GB0620861D0 (en) * 2006-10-20 2006-11-29 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
EP1932795A1 (fr) * 2006-12-15 2008-06-18 SITES S.r.l. Ascenseur d'escalier et méthode pour la fabrication de cet ascenseur d'escalier.
EP1988050B1 (fr) * 2007-05-02 2015-01-28 Gedeon Ltd Ascenseur d'escalier motorisé
NL2005957C2 (en) * 2011-01-06 2012-07-10 Handicare Stairlifts B V Transport unit for climbing or descending a slope or stairs.
JP2014129171A (ja) * 2012-12-28 2014-07-10 Kuma Lift Gijutsu Kenkyusho:Kk 傾斜路昇降設備
NL2013085B1 (en) * 2014-06-27 2016-07-11 Handicare Stairlifts B V Stairlift.
NL2013754B1 (en) 2014-11-07 2016-10-06 Handicare Stairlifts B V Stairlift.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334476A1 (de) * 1983-09-21 1985-04-11 César Arth Rigert Foerdersystem zur ueberwindung von hoehenunterschieden
JPH0323500U (fr) * 1989-07-14 1991-03-12
GB9608244D0 (en) * 1996-04-20 1996-06-26 Stannah Stairlifts Ltd Stairlift skate
JPH10250978A (ja) * 1997-03-13 1998-09-22 Murata Mach Ltd 天井走行車
JPH11291901A (ja) * 1998-02-10 1999-10-26 Osaka Gas Co Ltd 管内走行装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7328774B2 (en) 2003-08-06 2008-02-12 Rutherford Independence Limited Lift drive device
USRE44366E1 (en) 2003-08-06 2013-07-16 Rutherford Independence Limited Lift drive device
US7225899B2 (en) 2004-04-12 2007-06-05 Rutherford Independence Limited Stair lift device
CN101268007B (zh) * 2005-10-06 2010-06-02 自由提升有限公司 倾斜提升单元和倾斜提升机
EP3697715B1 (fr) 2017-10-17 2022-12-07 Extrema S.r.l. Chariot et appareil de support coulissant pour monte-escalier

Also Published As

Publication number Publication date
NL1014396C2 (nl) 2001-08-20
JP2001253666A (ja) 2001-09-18
ATE282577T1 (de) 2004-12-15
DE60107127T2 (de) 2005-11-10
EP1125882A1 (fr) 2001-08-22
JP4909464B2 (ja) 2012-04-04
DE60107127D1 (de) 2004-12-23

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