WO2002009972A2 - Dispositif d'elevation de fauteuil roulant pour vehicule - Google Patents

Dispositif d'elevation de fauteuil roulant pour vehicule Download PDF

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Publication number
WO2002009972A2
WO2002009972A2 PCT/NZ2001/000139 NZ0100139W WO0209972A2 WO 2002009972 A2 WO2002009972 A2 WO 2002009972A2 NZ 0100139 W NZ0100139 W NZ 0100139W WO 0209972 A2 WO0209972 A2 WO 0209972A2
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
wheelchair
driving means
platform
wheelchair lift
Prior art date
Application number
PCT/NZ2001/000139
Other languages
English (en)
Other versions
WO2002009972A3 (fr
Inventor
Roy Henry Wade
Original Assignee
Roy Henry Wade
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 Roy Henry Wade filed Critical Roy Henry Wade
Priority to AU2001280305A priority Critical patent/AU2001280305A1/en
Publication of WO2002009972A2 publication Critical patent/WO2002009972A2/fr
Publication of WO2002009972A3 publication Critical patent/WO2002009972A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4414—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load
    • B60P1/4442—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load the raising device, when not in use, being stored inside the load-transporting compartment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A61G3/062—Transfer using ramps, lifts or the like using lifts connected to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4414—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load
    • B60P1/4421—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load the loading platform being carried in at least one vertical guide

Definitions

  • This invention relates to an improved vehicle wheelchair lift such as may be used for assisting in transporting wheelchairs or scooters and persons occupying wheelchairs and scooters into vehicles.
  • Known mobility lifts generally provide a platform onto which a wheelchair bound person is wheeled. The lift is then operated to elevate the person and wheelchair to an elevation substantially equivalent to the deck of the vehicle. The wheelchair is then manually pushed into the vehicle and an attendant straps the wheelchair and person to the vehicle to prevent displacement while the vehicle is being driven or the person exits the wheelchair in favour of a car seat. The reverse process is followed when the person and wheelchair are exiting the vehicle.
  • Some known wheelchair lifts are adapted to move the wheelchair bearing platform horizontally (in a linear or rotational manner) as well as vertically in order to stow the platform and possibly other aspects of the lift mechanism inside or under the vehicle to allow use of the vehicle's accessway by others or to maximise available space in the vehicle.
  • United States Patent Specification No. 5,556,250 provides a lift platform and lifting mechanism mounted on a carriage on guide rails that retracts the platform and lift mechanism horizontally into a storage compartment under the deck of the vehicle when the lift is not in use.
  • United States Patent Specification No. 4,664,584 provides a wheelchair lift that secures, by way of a safety barrier, and raises a person in a wheelchair to an elevated position on a platform then rotates wheelchair, person and platform into the vehicle following which the safety barrier automatically releases the wheelchair allowing the person and wheelchair to disembark from the platform leaving the platform inside the accessway of the vehicle but with safety barriers lowered so as to minimise the hindrance to other persons using the accessway.
  • the wheelchair lifts of the prior art are to some degree successful in providing safe and unobtrusive lift mechanisms, however, the need to remove the wheelchair and person from the lift and resecure them in the vehicle can be time consuming and awkward for both the wheelchair-bound person and/or an attendant while other devices tend to leave vehicle accessways partially obstructed.
  • the present invention consists in a vehicle wheelchair lift including a receiving means for a wheelchair or a scooter, mounted on a first driving means adapted to raise and lower said receiving means in a substantially vertical plane, said first driving means being mounted on a second driving means which, in use, is fixed to a vehicle and is adapted to reciprocate said receiving means and said first driving means in a substantially horizontal plane in and out of said vehicle.
  • the receiving means consists of a platform and a restraining means.
  • the vehicle wheelchair lift has a locking means adapted to engage with a complementary locking means in the vehicle.
  • the restraining means which may consist of a number of belts, straps, retaining bars etc., will be engaged to restrain the wheelchair and occupant.
  • the receiving means, wheelchair and occupant are then lifted up and into the vehicle and locking means (also not shown in Figure 1 ) on the receiving means and preferably the platform engage complementary locking means fixed to the vehicle to ensure the receiving means, wheelchair and occupant are secure.
  • This apparatus and system obviates the need to manually push the wheelchair into the vehicle following lifting and means that the wheelchair and occupant can be strapped in while still outside the vehicle and so need not be strapped in by an attendant in the confines of the vehicle which is often physically difficult, awkward and time consuming.
  • FIG. 1 The preferred form of the present invention as shown in Figure 1 includes a receiving means for a wheelchair (indicated generally by the numeral 1 ) having a platform 4 and a frame consisting of support struts 5, 6, 7,8 and 9.
  • the platform has a raised area 40 and two lower areas 41 , 42 and a back plate 43.
  • Support struts 8, 9 have hinges 10, 1 1 and the platform 4 is connected to support struts 5, 6 by hinges 1 2, 1 3 that allows the platform 4 of the receiving means to fold vertically to a position substantially parallel with support struts 5, 6 when not in use to save space.
  • the receiving means will also have a retaining means (which is not shown in schematic Figure 1 ) attached to the platform and/or the frame but which is designed to securely retain a wheelchair and person in the receiving means while the lift is being operated to elevate the person to or from the vehicle deck 40 and into and out of the vehicle and while the vehicle is in motion.
  • a retaining means (which is not shown in schematic Figure 1 ) attached to the platform and/or the frame but which is designed to securely retain a wheelchair and person in the receiving means while the lift is being operated to elevate the person to or from the vehicle deck 40 and into and out of the vehicle and while the vehicle is in motion.
  • the receiving means 1 is mounted on a first driving means indicated generally by the numeral 2.
  • the first driving means is comprised of two telescopic double-acting hydraulic rams 1 5, 1 6.
  • the upper part of the rams 60, 61 are retained in position by being mounted on a supporting arm 20 of the second driving means (indicated generally by the numeral 3) by way of sleeves 30, 31 and support struts 50, 51 .
  • the alignment of the rams may be reinforced by the upper housing member 30 which may also house the actuators for the hydraulic rams of the first driving means.
  • the upper housing member may also have bearings adapted to follow races in the ceiling of the vehicle.
  • the wheelchair receiving means 1 is attached to the lower part 62, 63 of the rams and to sleeves 65, 66 slidably mounted on the upper part 60, 61 of the rams.
  • the first driving means 2 is actuated to extend and retract the telescopic, double-acting rams thereby raising and lowering the receiving means 1 and any wheelchair, scooter, occupant or other load in a substantially vertical direction.
  • the first driving means may take different forms.
  • a single ram may be used with a suitable support structure.
  • other means such as a rack and pinion or ball screw or acme screw may be used.
  • the driving means may be hydraulic, mechanical or electrical.
  • the second driving means 3 includes and is driven by a double-acting hydraulic ram which in use is fixed by one end to the vehicle.
  • this hydraulic ram is hidden by housing 21 .
  • the housing has a slot 22 through which a limb 23 extends.
  • the limb 23 is attached to the end of the ram opposite to the end of the ram that is fixed to the vehicle.
  • the hydraulic ram of the second driving means 3 can be reciprocated causing the limb 23 to travel up and down the length of the slot 22 carrying, into and/or out of the vehicle, the support arm, first driving means and receiving means including the platform.
  • the second driving means 3 may use other forms of providing forceful reciprocating motion such as rack and pinion, ball screw, acme screw etc.
  • Both first and second driving means will generally be operated by a remote unit and regulated by the operation of sensors that detect the platforms engagement with the ground outside the vehicle and attainment of an elevation equivalent to that of the vehicle deck.
  • the remote unit may also be used to lock and unlock the locking means that locks the platform to the inside of the vehicle.
  • the limb 23 is attached to the supporting arm 20 and the supporting arm is attached to the first driving means by way of sleeves 30, 31 .
  • the supporting arm as shown has a wheel or bearing 33 adapted to follow a race 34 in the floor 40 of the vehicle to provide additional support to the arrangement.
  • the second driving means is positioned in the vehicle so as to maximise available space in the vehicle and minimise blockage of accessways.
  • the second driving means and housing may be fitted behind and parallel to the front row of seats of the vehicle.
  • the wheelchair receiving means when the wheelchair receiving means is raised and retracted into the vehicle (either with or without a wheelchair and person retained therein) the wheelchair receiving means will be positioned at or close to the opposite wall of the van from the accessway leaving the accessway largely unblocked.
  • the receiving means When the receiving means is unoccupied, it can be folded by way of hinges 10, 1 1 , 1 2 and 13 so that the platform is positioned against that opposite wall meaning less vehicle space is occupied.
  • a person on a wheelchair moves onto the platform and person and wheelchair is harnessed in place.
  • the lift is actuated so that the first driving means operates and by contraction of the two substantially vertical hydraulic rams lifts the platform, wheelchair and restrained person to a level equivalent to or slightly higher than the deck of the vehicle.
  • the ram of the second driving means then moves the platform, wheelchair, person and first driving means into the vehicle.
  • Locking means on the platform encounter and engage complementary locking means in or attached to the deck of the vehicle securing the platform, wheelchair and person in place. No additional harnessing of person or wheelchair is necessary before the vehicle is driven.
  • the platform When not in use the platform can be folded against the first driving means and both platform, support struts, and first driving means can be retracted to a position such as against a wall of the vehicle to provide space so that the vehicle can be used for other purposes.
  • the mobility lift may also feature a backup means to enable the raising, lowering, moving in and moving out to be driven manually.
  • a backup means to enable the raising, lowering, moving in and moving out to be driven manually.
  • racks and pinions or ball screws or acme screws are used in the first and second driving means they may be operated manually by way of a crank and gear system and if hydraulics are used a hand pump may be incorporated.
  • wheelchairs Throughout this specification reference is sometimes made to wheelchairs. Such references are to be read so as to include other mobility devices such as scooters, that may not normally be referred to as wheelchairs.
  • the present invention provides a means for moving a person in a wheelchair up and into and out of and down from a vehicle without the need for the person to be further secured once inside the vehicle and at the same time enabling the accessway of the vehicle by which the person and wheelchair enters to remain relatively unobstructed when the lift is stowed or the wheelchair bound person is inside the vehicle.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Escalators And Moving Walkways (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

La présente invention concerne un dispositif d'élévation pour véhicule, destiné notamment à des fauteuils roulants, comprenant un premier élément d'entraînement servant à élever et à abaisser une plate-forme conçue pour prendre en charge un fauteuil roulant dans un plan vertical, et un second élément d'entraînement servant à déplacer la plate-forme vers l'intérieur et vers l'extérieur du véhicule, ainsi qu'un élément de fixation servant à immobiliser le fauteuil roulant et son occupant durant le mouvement du dispositif d'élévation puis durant le mouvement du véhicule.
PCT/NZ2001/000139 2000-07-28 2001-07-13 Dispositif d'elevation de fauteuil roulant pour vehicule WO2002009972A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001280305A AU2001280305A1 (en) 2000-07-28 2001-07-13 Vehicle wheelchair lift

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ50606500 2000-07-28
NZ506065 2000-07-28

Publications (2)

Publication Number Publication Date
WO2002009972A2 true WO2002009972A2 (fr) 2002-02-07
WO2002009972A3 WO2002009972A3 (fr) 2002-04-25

Family

ID=19928024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2001/000139 WO2002009972A2 (fr) 2000-07-28 2001-07-13 Dispositif d'elevation de fauteuil roulant pour vehicule

Country Status (2)

Country Link
AU (1) AU2001280305A1 (fr)
WO (1) WO2002009972A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159100A1 (fr) * 2008-08-29 2010-03-03 Houtveen Beheer Achterveld B.V. Appareil de levage à utiliser dans un véhicule

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4664584A (en) 1985-03-21 1987-05-12 The Braun Corporation Rotary wheelchair lift
US5556250A (en) 1988-11-05 1996-09-17 Ricon Corporation Vehicle lifts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099785A (en) * 1981-06-04 1982-12-15 Henshaw Thomas Wheelchair lifting apparatus
FR2528774A1 (fr) * 1982-06-18 1983-12-23 Tamkus Horst Equipement d'acces et de sortie par translation et changement de niveau et de mise en place au poste de conduite, applicable notamment et en particulier a des vehicules de paralyses des membres inferieurs
FR2552036B1 (fr) * 1983-09-15 1988-04-29 Gateau Eugene Vehicule perfectionne, pouvant etre utilise notamment par une personne handicapee
CA1259944A (fr) * 1987-08-20 1989-09-26 John C. Kingston Dispositif pour le transfert sur fauteuil roulant pouvant etre utilise par la personne handicapee des deux cotes d'un vehicule de transport
DE8714582U1 (de) * 1987-11-02 1987-12-23 Weinmann Nutzfahrzeuge GmbH, 8016 Feldkirchen Ladelift für Rollstühle
CA1265090A (fr) * 1988-11-08 1990-01-30 Clifford L. Wolfe Systeme elevateur-transbordeur de fauteuils d'handicapes
WO1992010422A1 (fr) * 1990-12-04 1992-06-25 WALLACE, Gregory, Stewart Appareil elevateur
FR2726182B1 (fr) * 1994-10-31 1998-02-13 Scalea Luigi Dispositif automatique adaptable sur des vehicules de tourisme pour le chargement et le dechargement de fauteuils roulants
US6019567A (en) * 1998-03-23 2000-02-01 Lift Technologies, Inc. Slidable load lifting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4664584A (en) 1985-03-21 1987-05-12 The Braun Corporation Rotary wheelchair lift
US5556250A (en) 1988-11-05 1996-09-17 Ricon Corporation Vehicle lifts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2159100A1 (fr) * 2008-08-29 2010-03-03 Houtveen Beheer Achterveld B.V. Appareil de levage à utiliser dans un véhicule

Also Published As

Publication number Publication date
WO2002009972A3 (fr) 2002-04-25
AU2001280305A1 (en) 2002-02-13

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