EP2039336A2 - Système de transport avec une unité d'entraînement - Google Patents

Système de transport avec une unité d'entraînement Download PDF

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Publication number
EP2039336A2
EP2039336A2 EP08163745A EP08163745A EP2039336A2 EP 2039336 A2 EP2039336 A2 EP 2039336A2 EP 08163745 A EP08163745 A EP 08163745A EP 08163745 A EP08163745 A EP 08163745A EP 2039336 A2 EP2039336 A2 EP 2039336A2
Authority
EP
European Patent Office
Prior art keywords
drive unit
transport
wheels
unit
drive
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.)
Withdrawn
Application number
EP08163745A
Other languages
German (de)
English (en)
Other versions
EP2039336A3 (fr
Inventor
Knud Raun
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.)
Holdingselskabet MKR Finans ApS
Original Assignee
Holdingselskabet MKR Finans ApS
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 Holdingselskabet MKR Finans ApS filed Critical Holdingselskabet MKR Finans ApS
Priority to DE202008017929U priority Critical patent/DE202008017929U1/de
Publication of EP2039336A2 publication Critical patent/EP2039336A2/fr
Publication of EP2039336A3 publication Critical patent/EP2039336A3/fr
Priority to DKBA201000173U priority patent/DK201000173U3/da
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/08—Apparatus for transporting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers

Definitions

  • the present invention concerns a transport system including a drive unit with motor for use in connnection with transporting units with one or more freely movable wheels, where these units are coupled to the drive unit via a coupling system, and where the drive unit has at least one drive wheel. Furthermore, the invention concerns such a drive unit.
  • a motor unit which via a coupling system is coupled to a bed or the like.
  • This motor unit is provided with the drive wheels situated in the same area in which the coupling is taking place and it is thus capable of drawing the bed in a directionally stable way.
  • the movement is to take place with large turns as control is effected about the coupling at one end of the bed, and thereby the action of swivelling wheels at each corner of the bed cannot be utilised.
  • the invention concerns, as mentioned in the introduction, a transport system including at least one drive unit and at least one, preferably a plurality, of transport units, where drive unit and transport units are provided with a corresponding coupling system, where the at least one drive wheel of the drive unit is disposed immediately at one end of the transport unit during coupling, and where the coupling system includes one or more lifting mechanisms.
  • a drive unit By a drive unit according to the invention it is thus possible to tow transport units made with e.g. two straight-running wheels and with two swivelling wheels in an easy and unencumbered way, as the drive unit is coupled to the end of the transport unit having two straight-running wheels. By lifting these off the ground, great mobility of the coupled transport system is achieved.
  • a particularly preferred variant of the invention concerns a transport system which is constituted by a drive unit, and where the transport unit is a hospital bed, a linen trolley, a food trolley, a mail cart or another kind of rolling vehicle. Every day there are many movements and transports of beds and trolleys within the health care and eldercare systems. By a transport system according to the invention, many of these movements and transports may be performed without any appreciable load on the staff performing these tasks.
  • the mentioned lifting mechanism or mechanisms are arranged on the drive unit, obviously meaning a cost saving, as all transport units do not have to be equipped with such equipment.
  • These lifting mechanisms may be adapted as wheel fixing means which advantageously can be made as brackets fixed to a transverse bar on the drive unit which extends in the width of the transport unit and at least having a length corresponding to the wheel spacing on the transport unit.
  • the wheel fixing means may each also be constituted by two arms which at one end are secured to the transverse bar and which at the other end is provided with at least one hole for receiving a through-going mandrel by which the two are connected. By making several holes in the arms, adjusting options are obtained such that adaptation to different wheel sizes may readily be performed. Adjustment may also advantageously occur where bracket and arms, respectively, are fitted to the transverse bar.
  • the wheel fixing means By arranging the wheel fixing means on the transverse bar, which is typically arranged at a height above the base corresponding to half a wheel height or more such that they extend towards the base and forwards against the wheels, there is achieved the possibility of receiving the wheel in the fixing means as these may be lifted or pivoted, thereby retaining the wheel and lifting it off the base.
  • the technical feature that the wheel, irrespectively whether it is a straight-running wheel or a swivelling wheel, is fixed and lifted off the base provides the possibility of moving a transport unit in an easy and neat way without using substantial physical strength with the risk of consequent injuries. Therefore, this is a simple and smart solution where particularly the handling of heavy and/or long transport objects is made much easier.
  • a drive unit may advantageously be provided with the said transverse bar upon which is arranged wheel fixing means for two wheels, but it may also be with individual wheel fixing means provided at positions corresponding the distance between the wheels on a transport unit.
  • These wheel fixing means may be provided such that a pivoting operation of the fixing means or lifting of the latter is performed, whereby the wheels are lifted.
  • a pivoting action may be effected by using an electric actuator which via a mechanical structure is connected to the wheel fixing means, but it may also be effected by manual operation of e.g. a pedal whereby the same effect is achieved.
  • Other methods may also be applied, and e.g. linear guides with spindles, mechanical parallelogram solutions or similar known displacing mechanisms may be used in combination with known actuators of different type.
  • a solution comprising brackets that are brought in contact with the wheels on a transport unit.
  • the coupling may, however, also be effected in other ways.
  • a solution with hooks on the drive unit or on the transport unit may interact with a corresponding coupling member.
  • At least one of these coupling members may advantageously be resilient such that it is the spring force which determines how great force or how great lift to be performed by the coupling in question.
  • a drive unit which is particularly applicable for long transport units may advantageously be arranged with one or more front wheels which are passed in under the transport unit and preferably disposed centrally under the transport unit and with one or two other wheels which by coupling together substitute the two wheels of the transport unit.
  • the drive unit may be with drive wheels under the transport unit as mentioned in the introduction, but may also be with drive wheels in immediate vicinity of the coupling point.
  • the drive wheels are also the guiding wheels as in fact they substitute the wheels that are fixed and lifted off the base.
  • the coupling together of such a drive unit and a transport unit may advantageously include a lifting device provided on the part of the drive unit which is passed in under the transport unit.
  • this lifting device acts as a kind of jack, which in this way transmits part of the weight of the transport vehicle to the wheels about which the transport system turns.
  • a towing system is a drive unit which is particularly suited and intended for transport units which are shorter than the traditional hospital beds.
  • food trolleys and linen trolleys may advantageously be transported by this variant.
  • the coupling means furthermore include a second coupling member which is fixed to the end of the transport unit simultaneously with the wheel fixing means coupling two wheels to the drive unit.
  • a drive unit may e.g. be a kind of sack truck provided with a lifting mechanism with one or more hooks arranged on a mechanical parallelogram solution, whereby a secure and stable coupling with a transport vehicle can be achieved.
  • the drive unit is preferably provided with a handlebar on which various control buttons and levers may be arranged.
  • a handlebar on which various control buttons and levers may be arranged.
  • a switch for lowering and elevating the wheel fixing means which then may occur without the user having to bend down to the base for performing an action.
  • a typical coupling with a transport object with four swivelling wheels takes place in that the drive unit is placed at a position immediately under the bed and in front of the wheel to be fixed.
  • the fixing means are constituted by brackets, it may be advantageous to move so close that the brackets touch the wheels. Then the fixing means are lowered until they touch the base or are very close to the base. Then the bed is drawn a short distance towards the drive unit. This has partly the purpose of ensuring that loose swivel wheels are straightened and partly the purpose of placing the wheels of the transport unit in the fixing means.
  • the user will know when the transport unit is in place since a slight resistance is felt when the wheels of the transport unit are pulled over the front edge of the wheel fixing means. Then the lifting means are activated, e.g. electro-mechanically or manually-mechanically, and the transport unit is now ready for being towed. Uncoupling occurs in the opposite order.
  • the second variant of a drive unit in the case where there is not one or more front wheels under the transport unit, is coupled in the same way with regard to the wheels but is, as mentioned, provided with a further coupling member which is necessary as there are only two wheels only on the drive unit.
  • Such an additional coupling may typically be a simple mechanical coupling which in a simple way fixes the drive unit to the transport unit.
  • a drive unit with wheel fixing and elevating means may be adapted in other ways than the one described here, as the particular and surprising feature of this invention is a simple and rapid coupling between a drive unit and a transport unit whereby great manoeuvrability of the transport unit is achieved. Whether the wheels are fixed and/or lifted in one or the other way, and whether the transport unit is lifted of the base by the wheels or at other positions is not so crucial; however, it is object of the invention that a coupling is effected and that the transport unit is lifted off the base at one end.
  • this has at least one set of drive wheels at the end of the drive unit which is placed at one end of the transport unit, where the wheel set is provided with integrated differential.
  • the differential gear may be of an electric type or a mechanical type. However, it has appeared that the use of an electric differential may be advantageous as such a differential does not take up much space and that the drive unit thus can be made with less total height and therefore be adapted to more different types of transport units.
  • the differential gear ensures that there is always an optimal power distribution between the drive wheels, whereby control becomes easier, as the power distribution between the wheels of the wheel set is regulated when turning.
  • the driving wheels may advantageously be driven by an electric motor which is supplied with energy from an accumulator provided on the drive unit, alternatively on the transport vehicle where energy may be transmitted via the coupling means.
  • an accumulator provided on the drive unit, alternatively on the transport vehicle where energy may be transmitted via the coupling means.
  • two accumulators are arranged on the drive unit close to the drive wheels. The self-weight of the accumulators is hereby utilised for pressing the drive wheels against the base, whereby better grip between wheels and base is obtained.
  • One accumulator may advantageously be an spare accumulator which is either fully charged or which is to be charged. In that way is achieved an accumulator system with a kind of power reserve which simultaneously has an effect due to the self-weight.
  • a socket may advantageously be arranged and to which a charger is connected for charging the accumulators. This connection may be effected manually or automatically by placing the drive unit in a charging station.
  • a drive unit according to the invention may be adapted to move units that are different in structure, where this device includes a coupling system which is particularly adapted to be coupled together with differently structured units.
  • the drive unit may be coupled together with many different transport units.
  • the units to be transported are provided with corresponding coupling means. It is thus possible to suffice with having one single type of drive units in e.g. a hospital, as this one type can be used for all the transports taking place at the hospital, right from moving beds with patients, food trolleys, and so on.
  • the coupling between drive unit and transport unit can be arranged in many different ways and can be designed according to the wish of the customer.
  • the drive unit may e.g. be adapted with a coupling system which may be operated from the control handle, where the coupling, besides a lifting mechanism, e.g. may include an electromagnetic coupling, a snap-action coupling, a hook coupling, a ball coupling, a drawbolt/draweye coupling, or similar. All these types of couplings can also be made such that they are operated directly at the coupling point. Other types of coupling system than those mentioned here may also be used and the coupling system can be designed such that it fits many differently designed counterparts as well.
  • a drive unit can be provided with a multi-coupling that fits a plurality of different couplings on various transport units.
  • a variant of a drive unit is adapted such that the operator may freely choose if he/she will walk at the end of the towage unit or drive with it standing on a trailer arranged for the purpose.
  • a trailer may advantageously be provided with straight-running wheels or with swivelling wheels or another suitable type of wheel and may be adapted such that it can be folded up, thus not taking up much space.
  • This may be advantageous by transport in e.g. elevators where the transport unit and the drive unit may just fit by the length.
  • the coupling and thereby the pivotal point between transport unit and trailer may advantageously be disposed close to the vertical axis of the control handle or, in other words, immediately at the end of the transport unit, whereby easy control is obtained.
  • a drive unit according to the invention may be designed with coupling members that are adjustable, either steplessly or in predetermined steps, whereby the possibility of rapid adjustment to several types of transport units is possible.
  • Fig. 1 appears a variant of a drive unit 2 where this is provided with coupling means that includes combined wheel fixing and lifting means 18, in the following called wheel lifters 18.
  • the drive unit is designed with a forwardly directed part 4 and a transverse part 5. On the forwardly directed part 4 is shown an accumulator pack 11 and an empty space 19 for yet another.
  • a set of wheels 9 is arranged, here shown as wheels that do not drive.
  • the drive wheels 20, however, are arranged under the transverse part 5 where also an electric motor and control electronics are placed under a guard 21.
  • a control handle 6 connected with the drive wheels which can turn.
  • Behind the transverse part 5 is seen a trailer 13 with swivelling wheels 22.
  • the trailer 13 may be folded up or dismounted according to need.
  • a set of wheel lifters 18 consisting of a transverse bar 23 with a length approximately corresponding to the width of a not shown hospital bed.
  • This transverse bar 23 is rotatable about its longitudinal axis and fastened to the transverse part 5.
  • Turning the bar 23 is effected by electric actuators 24, which are shown here fixed at one end to the forwardly directed part 4 and at the other end to arms 25 mounted on the transverse bar 23.
  • the transverse bare 23 is shown here with adjusting options in the width, as it is designed telescoping and with adjusting screws 26.
  • the wheel fixing brackets 27 are seen and which also are adjustable in depth by adjusting screws 28.
  • a stop plate 29 is seen which the not shown wheel is to abut on during the fixing operation.
  • Fig. 2 appears the drive unit 2 moved into position under a hospital bed 3, 30, where the wheel fixing bracket 27 is immediately in front of a swivel wheel 31 of the hospital bed 30.
  • the wheel fixing bracket is shown in lowered position, and it appears that the front part 32 of the wheel fixing bracket 27 is designed flat in order that the wheel 31 may more easily be pulled over this front edge 32.
  • the wheel fixing bracket is lowered in that the actuators 24 are activated and perform a turning movement of the transverse bar 23.
  • the transverse bar and thereby the wheel fixing brackets 27 are always lifted off the base.
  • Fig. 4 the wheels 31 are seen in position in the wheel lifters 18 of the drive unit, where the wheel 31 on the transport unit 3, 30 is in contact with the stop plate 29, and the front part 32 on the wheel fixing bracket 27 is located at the other side of the contact area of the wheel 31 with the base.
  • Fig. 5 the wheel lifter is seen in operation, where the wheel 31 is fixed in the wheel fixing bracket 27, clamped between the stop plate 29 and the front part 32 of the bracket 27, and lifted off the base in that the actuator 24 is activated, thereby having performed a rotating movement of the transverse bar 23.
  • the transport unit 3 here a hospital bed 30, is ready for transport.
  • the two wheels 31 lifted off the base are now substituted by the wheels 9 and 20 on the drive unit 2, and a more easy transport may take place.
  • a further variant of a drive unit 2 where only two drive wheels 20 are provided.
  • This drive unit 2 is shown immediately in front of a transport unit 3 which is here constituted by a grating cart with two straight-running wheels 33 and with two not shown swivelling wheels.
  • a transport unit 3 which is here constituted by a grating cart with two straight-running wheels 33 and with two not shown swivelling wheels.
  • coupling means including combined wheel fixing and lifting means 18.
  • This is a solution which in principle corresponds to the solution shown in Figs. 1 - 5 .
  • this variant of a drive unit 2 there is the additional difference that it is provided with a further coupling member 34 which is shown in a simple variant with a hook member fixed to the transport unit 3 at its gable side. With this further coupling member 34 in interactive action with the combined wheel fixing and lifting means 18, a certain transmission of weight to the drive wheels 20 and a secure fixing to the wheels 34 as well as to the transport unit 3 are achieved.
  • a drive unit 2 as shown in Fig. 6 are shown.
  • a guard 21 under which an electric motor and the necessary control electronics are disposed.
  • an accumulator pack 11 which may easily be replaced when required.
  • rotating the transverse bar 23 is effected by actuators 24 which are here fastened to a fixed point under the accumulator pack 11 and to arms 25 on the transverse bar 23.
  • actuators 24 By activating the mounted actuator or actuators, the wheel fixing brackets 27 may be lowered and elevated according to need. Operation of the actuators may advantageously be effected by an electric switch on the control handle 6, but other methods may of course be used for rotating the transverse bar 23.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nursing (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP08163745A 2007-09-06 2008-09-05 Système de transport avec une unité d'entraînement Withdrawn EP2039336A3 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE202008017929U DE202008017929U1 (de) 2007-09-06 2008-09-05 Transportsystem mit einer Schleppeinheit
DKBA201000173U DK201000173U3 (da) 2007-09-06 2010-09-14 Transportsystem omfattende en bugseringsenhed

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200701276 2007-09-06
DKPA200800478 2008-04-01

Publications (2)

Publication Number Publication Date
EP2039336A2 true EP2039336A2 (fr) 2009-03-25
EP2039336A3 EP2039336A3 (fr) 2009-06-03

Family

ID=40084434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08163745A Withdrawn EP2039336A3 (fr) 2007-09-06 2008-09-05 Système de transport avec une unité d'entraînement

Country Status (3)

Country Link
EP (1) EP2039336A3 (fr)
DE (1) DE202008017929U1 (fr)
DK (1) DK201000173U3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171079A1 (fr) * 2011-06-17 2012-12-20 Austech And Design Pty Ltd Dispositif de levage et de transport pour objets sur roues comprenant des lits d'hôpital
WO2013053005A1 (fr) 2011-10-12 2013-04-18 Austech And Design Pty Ltd Dispositif de soulèvement et de transport comprenant des roulettes de support de charge avant et système de tringlerie associé
WO2018130315A1 (fr) * 2017-01-13 2018-07-19 Siemens Healthcare Gmbh Dispositif de transport et méthode de fonctionnement d'un tel dispositif de transport
WO2020187515A1 (fr) * 2019-03-18 2020-09-24 IFP Energies Nouvelles Dispositif d'immobilisation de roue de systeme de propulsion electrique amovible pour un objet roulant
WO2020187499A1 (fr) * 2019-03-18 2020-09-24 IFP Energies Nouvelles Dispositif de prehension de roue de systeme de propulsion electrique amovible pour un objet roulant
CN113597294A (zh) * 2019-03-18 2021-11-02 Ifp新能源公司 协助驱动用于辊动物体的可移除电动推进系统的轮的装置
CN113925715A (zh) * 2021-11-04 2022-01-14 定州市琥珀医疗器械有限公司 一种多功能移位机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014100451B4 (de) * 2014-01-16 2017-04-06 MAQUET GmbH Vorrichtung zum Verfahren eines Transporters einer Patientenlagereinheit und Anordnung mit einer derartigen Vorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876024A (en) 1972-12-07 1975-04-08 Said Charles S Mitchell To Sai Motorized vehicle for moving hospital beds and the like
US20020084116A1 (en) 2000-05-11 2002-07-04 Ruschke Jeffrey A. Motorized propulsion system for a bed

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1001294C2 (nl) * 1995-09-26 1997-03-28 Reiniging En Reststoffen Bedri Verrijdbare hefinrichting.
EP1568581B1 (fr) * 2004-02-24 2006-07-26 Vermop Salmon Gmbh Chariot de nettoyage
US7594284B2 (en) * 2004-05-25 2009-09-29 Nu Star Inc. Transport aid for wheeled support apparatus
EP1824435B1 (fr) * 2004-12-01 2010-07-07 Borringia Industrie AG Objet a roues du type conçu pour etre manoeuvre par une personne qui marche
CA2498302A1 (fr) * 2005-02-18 2006-08-18 Tyler Allen Plate-forme de roulement pour poussette d'enfant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876024A (en) 1972-12-07 1975-04-08 Said Charles S Mitchell To Sai Motorized vehicle for moving hospital beds and the like
US20020084116A1 (en) 2000-05-11 2002-07-04 Ruschke Jeffrey A. Motorized propulsion system for a bed

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171079A1 (fr) * 2011-06-17 2012-12-20 Austech And Design Pty Ltd Dispositif de levage et de transport pour objets sur roues comprenant des lits d'hôpital
AU2012269742B2 (en) * 2011-06-17 2014-08-14 RIHA Industries Pty Ltd Lifting and transporting device for wheeled objects including hospital beds
US9913771B2 (en) 2011-06-17 2018-03-13 Austech & Design Pty Ltd Lifting and transporting device for wheeled objects including hospital beds
WO2013053005A1 (fr) 2011-10-12 2013-04-18 Austech And Design Pty Ltd Dispositif de soulèvement et de transport comprenant des roulettes de support de charge avant et système de tringlerie associé
US20140299826A1 (en) * 2011-10-12 2014-10-09 Austech & Design Pty Ltd. Lifting and Transporting Device Including Front Load Supporting Castors and Associated Linkage System
EP2766295A4 (fr) * 2011-10-12 2015-06-10 Austech & Design Pty Ltd Dispositif de soulèvement et de transport comprenant des roulettes de support de charge avant et système de tringlerie associé
US9919906B2 (en) * 2011-10-12 2018-03-20 Austech & Design Pty Ltd Lifting and transporting device including front load supporting castors and associated linkage system
CN110177533A (zh) * 2017-01-13 2019-08-27 西门子医疗有限公司 运输装置和操作这种运输装置的方法
WO2018130315A1 (fr) * 2017-01-13 2018-07-19 Siemens Healthcare Gmbh Dispositif de transport et méthode de fonctionnement d'un tel dispositif de transport
KR20190103338A (ko) * 2017-01-13 2019-09-04 지멘스 헬스케어 게엠베하 운송 장치 및 이러한 운송 장치를 동작하는 방법
US11426317B2 (en) 2017-01-13 2022-08-30 Siemens Healthcare Gmbh Transport device and method of operating such transport device
WO2020187515A1 (fr) * 2019-03-18 2020-09-24 IFP Energies Nouvelles Dispositif d'immobilisation de roue de systeme de propulsion electrique amovible pour un objet roulant
WO2020187499A1 (fr) * 2019-03-18 2020-09-24 IFP Energies Nouvelles Dispositif de prehension de roue de systeme de propulsion electrique amovible pour un objet roulant
FR3093917A1 (fr) * 2019-03-18 2020-09-25 IFP Energies Nouvelles Dispositif d’immobilisation de roue de système de propulsion électrique amovible pour un objet roulant
FR3093918A1 (fr) * 2019-03-18 2020-09-25 IFP Energies Nouvelles Dispositif de préhension de roue de système de propulsion électrique amovible pour un objet roulant
CN113597294A (zh) * 2019-03-18 2021-11-02 Ifp新能源公司 协助驱动用于辊动物体的可移除电动推进系统的轮的装置
CN113597294B (zh) * 2019-03-18 2023-01-13 Ifp新能源公司 协助驱动用于辊动物体的可移除电动推进系统的轮的装置
CN113925715A (zh) * 2021-11-04 2022-01-14 定州市琥珀医疗器械有限公司 一种多功能移位机

Also Published As

Publication number Publication date
EP2039336A3 (fr) 2009-06-03
DK201000173U3 (da) 2010-11-26
DE202008017929U1 (de) 2011-02-24

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