EP0595093B1 - Device for locking or fixing an invalid lift - Google Patents

Device for locking or fixing an invalid lift Download PDF

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Publication number
EP0595093B1
EP0595093B1 EP93116290A EP93116290A EP0595093B1 EP 0595093 B1 EP0595093 B1 EP 0595093B1 EP 93116290 A EP93116290 A EP 93116290A EP 93116290 A EP93116290 A EP 93116290A EP 0595093 B1 EP0595093 B1 EP 0595093B1
Authority
EP
European Patent Office
Prior art keywords
locking
compression cylinder
frame
bus according
piston
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
EP93116290A
Other languages
German (de)
French (fr)
Other versions
EP0595093A1 (en
Inventor
Johann Santl
Achim Feige
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge AG
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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Publication of EP0595093A1 publication Critical patent/EP0595093A1/en
Application granted granted Critical
Publication of EP0595093B1 publication Critical patent/EP0595093B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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
    • A61G2220/00—Adaptations of particular transporting means
    • A61G2220/16—Buses

Definitions

  • the invention relates to a bus with a handicapped lift, according to the Preamble of claim 1.
  • a handicapped lift in a railroad car is known, whose lift platform can be moved vertically and in the floor level of the railway wagon can be locked by means of a locking device.
  • This locking device has a cylinder arranged on the lift platform, which by means of its extending piston rod is provided on the inside of the lift platform and attached to this via a hinge bar from the horizontal plane the lift platform can fold into the vertical plane to get one on the The wheelchair located on the lift platform before rolling back into the interior of the wagon preserve.
  • the invention has for its object in a bus for the handicapped lift to provide a locking device with a high security standard.
  • the locking element provided for locking the handicapped lift is via an attacking a piston of a pressure cylinder Pressurized spring in the locking direction in a on the frame of the handicapped lift arranged receiving element retractable locking.
  • the locking element is a sensible end piece of the piston rod of the piston of the pressure cylinder, the end of the locking element complementary to the conical, spherical or wedge-shaped receiving element is formed in the lift frame.
  • FIG. 1 and 2 show a frame of a handicapped lift in a bus with a receiving element 3 arranged in the frame 1, which is a conical or spherical Receiving hole 17 has.
  • a vehicle frame 2 In a vehicle frame 2 is a bearing bush 5 arranged in which a cylindrical locking element 4 is longitudinally displaceable is stored.
  • the locking element 4 is at its free end 18th Complementary to the receiving bore 17 of the receiving element 3.
  • the locking element 4 is an end piece with the piston 15 of a pressure cylinder 7 connected piston rod 16.
  • the piston 15 is arranged in the pressure cylinder 7, a compression spring on the side opposite the piston rod 16 8 is installed, the locking retraction of the locking element 4th effected in the receiving element 3 of the frame 1 of the disabled lift.
  • the Printing cylinder 7 is attached to a bracket 6 of the vehicle frame 2. Should the Lock between frame 1 and vehicle frame 2 are released, so the Piston 15 of the pressure cylinder 7 via a line 14 in which a 3/2-way valve 13 is installed. When operating the handicapped lift, compliance is observed a certain lead time via the 3/2-way solenoid valve 13 compressed air in passed the pressure cylinder 7, the compression spring 8 is compressed and the disabled lift is pneumatically unlocked. At the operating speed To be able to regulate or dampen a throttle 10 or a in the line 14 adjustable throttle valve 12 are mounted, with the throttle valve 12 the Locking and unlocking, or only one or the other direction of actuation can be dampened. A vent line 9 is also provided relieves the secondary space of the pressure cylinder 7.
  • the pressure cylinder 7 is centered and supported in the bearing bush 5.
  • a filling valve 11 can from an external compressed air source, in the event of failure Vehicle compressed air system, an emergency solution of the locking element 4 take place (Fig. 2).

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Lock And Its Accessories (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention relates to an invalid lift in a vehicle, in particular a bus. The invalid lift has a mechanical locking device operated by compressed air or hydraulically for the selective locking or unlocking of the lift frame (1) to the vehicle frame (2) in the floor plane of the vehicle. The locking device comprises a reception element (3) located on the frame (1) of the invalid lift and a locking element (4) which is located on the vehicle frame (2) via a mounting (6) and can selectively be moved into and out of the reception element (3). The reception element (3) is conical, spherical or wedge-shaped, and the locking element (4) has a complementary design. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Omnibus mit einem Behindertenlift, gemäß dem Oberbegriff des Anspruches 1.The invention relates to a bus with a handicapped lift, according to the Preamble of claim 1.

Es werden in zunehmendem Maße Behindertenlifte in Omnibusse eingebaut. Im Zuge dieses Trends werden an diese Lifte auch immer höhere Anforderungen gestellt.Disabled lifts are increasingly being installed in buses. In the course of As a result of this trend, ever higher demands are placed on these lifts.

Aus der WO-A-9 207 731 ist ein Behindertenlift in einem Eisenbahnwaggon bekannt, dessen Liftplattform vertikal bewegbar und in der Fußbodenebene des Eisenbahnwaggons mittels einer Verriegelungseinrichtung verriegelbar ist. Diese Verriegelungseinrichtung weist einen an der Liftplattform angeordneten Zylinder auf, der mittels seiner ausfahrenden Kolbenstange eine an der Innenseite der Liftplattform vorgesehene und an dieser über eine Scharnierleiste befestigte Barriere aus der Horizontalebene der Liftplattform in die Vertikalebene klappen kann, um einen auf der Liftplattform befindlichen Rollstuhl vor einem Zurückrollen in das Waggoninnere zu bewahren. Des weiteren wird durch das Ausfahren der Kolbenstange und dem damit verbundenen Herausklappen der Barriere in die Vertikalebene ein zusätzlich an dieser gelenkig angebundenes Verbindungsglied in Richtung des Waggoninneren bewegt, wodurch ein endseitig des Verbindungsgliedes gelenkig angebundenes und zusätzlich drehbar an der Liftplattform gelagertes Klinkenglied mit einem Sperrfinger aus einer im Seitenbereich des Treppenhauses des Eisenbahnwaggons untergebrachten Tasche entriegelungswirksam herausfährt. Damit ist die Liftplattform in der Fußbodenebene des Eisenbahnwaggons entriegelt. Zur Verriegelung der Liftplattform wird die Kolbenstange des Zylinders zurückgefahren, wodurch die Barriere in die Horizontalebene geklappt und somit das Verbindungsglied in Richtung des Wagenäußeren bewegt wird. Durch diese Bewegung fährt der Sperrfinger verriegelungswirksam in die im Seitenbereich des Eisenbahnwaggons vorgesehene Tasche ein. From WO-A-9 207 731 a handicapped lift in a railroad car is known, whose lift platform can be moved vertically and in the floor level of the railway wagon can be locked by means of a locking device. This locking device has a cylinder arranged on the lift platform, which by means of its extending piston rod is provided on the inside of the lift platform and attached to this via a hinge bar from the horizontal plane the lift platform can fold into the vertical plane to get one on the The wheelchair located on the lift platform before rolling back into the interior of the wagon preserve. Furthermore, by extending the piston rod and with it associated folding out of the barrier in the vertical plane in addition to this articulated connecting link moved towards the inside of the wagon, whereby an end articulated and additionally pawl link rotatably mounted on the lift platform with a locking finger from one housed in the side area of the stairwell of the railway wagon Pulls out the bag to unlock it. The lift platform is now in the Unlocked floor level of the railroad car. To lock the lift platform the piston rod of the cylinder is retracted, creating the barrier in the horizontal plane folded and thus the connecting link towards the outside of the car is moved. This movement causes the locking finger to lock into the pocket provided in the side area of the railway wagon on.

Da die Verriegelung der Liftplattform einerseits an die gleichzeitige Betätigung einer Barriere geknüpft ist und andererseits nacheinander mehrere Gelenke durch die ausfahrbare Kolbenstange des Zylinders beansprucht werden, um den Sperrfinger des Klinkengliedes verriegelungswirksam in die Tasche zu bewegen und dort zu halten, kann diese bekannte Verriegelungseinrichtung aufgrund ihres relativ komplizierten Aufbaues eine erhöhte Störanfälligkeit aufweisen. Des weiteren ist die Lagerung des Klinkengliedes entsprechend groß und aufwendig zu dimensionieren, um die Hauptlast der Liftplattform übernehmen zu können. Die Positionierung des Zylinders und des Verbindungsgliedes erfordern zudem einen vergleichsweise großen Einbauraum, der in einem Omnibus mit begrenzter Bodenfreiheit nicht gegeben ist.Since the locking of the lift platform on the one hand, the simultaneous actuation of a Barrier is tied and on the other hand, several joints in succession through the extendable piston rod of the cylinder are claimed to the locking finger to move the latch member into the pocket and lock it there hold, this known locking device due to its relatively complicated Structure have an increased susceptibility to failure. Furthermore, the storage of the pawl member accordingly large and expensive to dimension to be able to bear the main load of the lift platform. The positioning of the cylinder and the link also require a comparatively large Installation space that is not available in a bus with limited ground clearance.

Der Erfindung liegt die Aufgabe zugrunde, in einem Omnibus für dessen Behindertenlift eine Verriegelungseinrichtung mit hohem Sicherheitsstandard bereitzustellen.The invention has for its object in a bus for the handicapped lift to provide a locking device with a high security standard.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.This object is achieved by the characterizing features of the claim 1 solved.

Solcherart ist die obere Endstellung des Rahmens des Behindertenliftes in der Fußbodenebene des Fahrzeuges nicht durch die verriegelnde Endstellung eines hydraulisch, elektrisch oder pneumatisch bewegten Verriegelungselementes festgelegt. Vielmehr wird die den Rahmen des Behindertenliftes verriegelnde Endstellung des Verriegelungselementes durch die erfindungsgemäße mechanische Verriegelungseinrichtung redundant gesichert, so dass auch bei Ausfall des Stromes oder des Fluids, oder durch Verwindung der Liftplattform oder des Fahrzeugbodenrahmens durch Erschütterung beim Befahren schlechter Straßen, kein Absinken des Behindertenliftes möglich ist. Das zur Arretierung des Behindertenliftes vorgesehene Verriegelungselement ist über eine an einem Kolben eines Druckzylinders angreifende Druckfeder in Verriegelungsrichtung kraftbeaufschlagt in ein am Rahmen des Behindertenliftes angeordnetes Aufnahmeelement verriegelungswirksam einfahrbar. Somit ist unabhängig von dem Funktionieren eines Druckluft- oder Hydraulikgebers die Verriegelungswirkung allein durch die mechanische Druckfeder gegeben. Durch deren Störungsempfindlichkeit ist ein Absinken des Liftrahmenniveaus vom Fußbodenniveau des Omnibusses wirksam unterbunden. Die Entriegelung zwischen Fahrzeugrahmen und Liftrahmen erfolgt dann durch Beaufschlagung der der Druckfeder entgegengesetzten Kolbenfläche des Druckzylinders mit Druckluft. Die in Entriegelungsrichtung erfolgende Zufuhr von Druckluft in den Druckzylinder kann im Notfall von einer Fremddruckluftquelle aus durchgeführt werden.Such is the upper end position of the frame of the lift for the disabled on the floor level of the vehicle due to the locking end position of a hydraulic, fixed electrically or pneumatically moved locking element. Rather, the end position locking the frame of the disabled lift Locking element by the mechanical locking device according to the invention redundantly secured, so that even if the power or the Fluids, or by twisting the lift platform or the vehicle floor frame due to vibrations when driving on bad roads, no lowering of the lift for the disabled is possible. The locking element provided for locking the handicapped lift is via an attacking a piston of a pressure cylinder Pressurized spring in the locking direction in a on the frame of the handicapped lift arranged receiving element retractable locking. Consequently is independent of the functioning of a compressed air or hydraulic sensor Locking effect given solely by the mechanical compression spring. Through their Failure sensitivity is a decrease in the lift frame level from the floor level of the bus effectively prevented. The release between the vehicle frame and lift frame is then carried out by acting on the opposite of the compression spring Piston surface of the pressure cylinder with compressed air. The one in the unlocking direction In the event of an emergency, compressed air can be supplied to the pressure cylinder an external compressed air source.

In sinnvoller Weise ist das Verriegelungselement als festes Endstück der Kolbenstange des Kolbens des Druckzylinders ausgeführt, wobei das Ende des Verriegelungselementes komplementär zu dem kegeligen, kugeligen oder keilförmigen Aufnahmeelement im Liftrahmen ausgebildet ist.The locking element is a sensible end piece of the piston rod of the piston of the pressure cylinder, the end of the locking element complementary to the conical, spherical or wedge-shaped receiving element is formed in the lift frame.

Um keine Scherkräfte auf die Kolbenstange und den Kolben des Druckzylinders zu bekommen, ist ein zylindrisch ausgebildeter Teil des mit der Kolbenstange verbundenen Verriegelungselementes in einer im Fahrzeugrahmen befestigten Lagerbuchse geführt und abgestützt, bzw. der Druckzylinder mit einem Zentrieransatz in der Lagerbuchse geführt.To avoid shear forces on the piston rod and the piston of the pressure cylinder is a cylindrical part of the connected to the piston rod Locking element in a bearing bush fixed in the vehicle frame guided and supported, or the pressure cylinder with a centering in the Bearing bush guided.

Die Erfindung ist in einem Ausführungsbeispiel dargestellt und beschrieben.The invention is shown and described in an exemplary embodiment.

Es zeigen:

Fig. 1
eine Verriegelungseinrichtung für einen Behindertenlift in einem Omnibus,
Fig. 2
eine leicht modifizierte Ausführung der Verriegelungseinrichtung.
Show it:
Fig. 1
a locking device for a disabled lift in a bus,
Fig. 2
a slightly modified version of the locking device.

Die Fig. 1 und 2 zeigen einen Rahmen eines Behindertenliftes in einem Omnibus mit einem im Rahmen 1 angeordneten Aufnahmeelement 3, das eine kegelige oder kugelförmige Aufnahmebohrung 17 aufweist. In einem Fahrzeugrahmen 2 ist eine Lagerbuchse 5 angeordnet, in der ein zylindrisches Verriegelungselement 4 längsverschieblich gelagert ist. Das Verriegelungselement 4 ist an seinem freien Ende 18 komplementär zu der Aufnahmebohrung 17 des Aufnahmeelementes 3 ausgebildet. Das Verriegelungselement 4 ist Endstück einer mit dem Kolben 15 eines Druckzylinders 7 verbundenen Kolbenstange 16. Der Kolben 15 ist in dem Druckzylinder 7 angeordnet, wobei auf der der Kolbenstange 16 entgegengesetzten Seite eine Druckfeder 8 eingebaut ist, die das arretierende Einfahren des Verriegelungselementes 4 in das Aufnahmeelement 3 des Rahmens 1 des Behindertenliftes bewirkt. Der Druckzylinder 7 ist an einer Halterung 6 des Fahrzeugrahmens 2 befestigt. Soll die Verriegelung zwischen Rahmen 1 und Fahrzeugrahmen 2 gelöst werden, so wird der Kolben 15 des Druckzylinders 7 über eine Leitung 14, in der ein 3/2-Wege-Ventil 13 eingebaut ist, beaufschlagt. Bei Betätigung des Behindertenliftes wird unter Einhaltung einer bestimmten Vorlaufzeit über das 3/2-Wege-Magnetventil 13 Druckluft in den Druckzylinder 7 geleitet, dabei wird die Druckfeder 8 zusammengedrückt und der Behindertenlift somit pneumatisch entriegelt. Um die Betätigungsgeschwindigkeit regulieren bzw. dämpfen zu können, kann in die Leitung 14 eine Drossel 10 oder ein einstellbares Drosselventil 12 montiert werden, wobei mit dem Drosselventil 12 die Ver- und Entriegelung, oder nur jeweils die eine oder die andere Betätigungsrichtung gedämpft werden kann. Es ist weiterhin eine Entlüftungsleitung 9 vorgesehen, die den Sekundärraum des Druckzylinders 7 entlastet. In einer besonders vorteilhaften Ausführungsform ist der Druckzylinder 7 in der Lagerbuchse 5 zentriert und abgestützt. Über ein Füllventil 11 kann von einer Fremddruckluftquelle, bei Ausfall der Fahrzeugdruckluftanlage, eine Notloslösung des Verriegelungselementes 4 erfolgen (Fig. 2).1 and 2 show a frame of a handicapped lift in a bus with a receiving element 3 arranged in the frame 1, which is a conical or spherical Receiving hole 17 has. In a vehicle frame 2 is a bearing bush 5 arranged in which a cylindrical locking element 4 is longitudinally displaceable is stored. The locking element 4 is at its free end 18th Complementary to the receiving bore 17 of the receiving element 3. The locking element 4 is an end piece with the piston 15 of a pressure cylinder 7 connected piston rod 16. The piston 15 is arranged in the pressure cylinder 7, a compression spring on the side opposite the piston rod 16 8 is installed, the locking retraction of the locking element 4th effected in the receiving element 3 of the frame 1 of the disabled lift. The Printing cylinder 7 is attached to a bracket 6 of the vehicle frame 2. Should the Lock between frame 1 and vehicle frame 2 are released, so the Piston 15 of the pressure cylinder 7 via a line 14 in which a 3/2-way valve 13 is installed. When operating the handicapped lift, compliance is observed a certain lead time via the 3/2-way solenoid valve 13 compressed air in passed the pressure cylinder 7, the compression spring 8 is compressed and the disabled lift is pneumatically unlocked. At the operating speed To be able to regulate or dampen a throttle 10 or a in the line 14 adjustable throttle valve 12 are mounted, with the throttle valve 12 the Locking and unlocking, or only one or the other direction of actuation can be dampened. A vent line 9 is also provided relieves the secondary space of the pressure cylinder 7. In a particularly advantageous Embodiment, the pressure cylinder 7 is centered and supported in the bearing bush 5. Via a filling valve 11 can from an external compressed air source, in the event of failure Vehicle compressed air system, an emergency solution of the locking element 4 take place (Fig. 2).

Claims (8)

  1. A bus with an invalid lift, the frame (1) of which is arrestable by means of a locking device in a raised, upper position at the height of the floor level of the vehicle with a' vehicle frame (2) and, after release of the lock, is transferable to a lowered position, the locking device having a locking member (4) which is driveable into and out of a receiving member (3) by means of a force-actuated piston (15) of a compression cylinder (7) characterised in that the piston (15) is rigidly connected to the locking member (4) by a piston rod and that the receiving member (3) is arranged on the frame (1) of the invalid lift and the compression cylinder (7) on the vehicle frame (2).
  2. A bus according to Claim 1, characterised in that the locking member (4) attached to the piston rod (16) can be operated
    a) by force actuation in the locking direction via a compression spring (8) engaging with the piston (15) and
    b) in the unlocking direction by the introduction of counteracting compressed air into the compression cylinder (7).
  3. A bus according to one of Claims 1 and 2, characterised in that the receiving member (3) arranged on the frame (1) of the invalid lift has a conical, spherical or wedge-shaped receiver bore (17) and that an end piece (18) of the locking member (4) is of a shape complementary to this receiver bore (17).
  4. A bus according to Claim 3, characterised in that the locking member (4) has a cylindrical section arranged upstream of its end piece (18), by means of which the locking member (4) is guided and supported in a bush bearing (5) mounted on the vehicle frame (2).
  5. A bus according to one or more of Claims 1 to 4, characterised m that the compression cylinder (7) is arranged on a holding device (6) of the vehicle frame (2) or that the compression cylinder (7) is centred and supported in the bearing bush (5).
  6. A bus according to one or more of Claims 1 to 5, characterised in that a 3/2-way valve (13) and a throttle (10) or an adjustable regulating valve (12) is integrated into a compressed-air line (14) supplying the compression cylinder (7) with compressed air.
  7. A bus according to one or more of Claims 1 to 6, characterised in that a vent line (9) is attached to the space on the spring side of the compression cylinder (7).
  8. A bus according to one or more of Claims 1 to 7, characterised in that a fill-up valve (11) connected to an external compressed-air source is attached to the space on the compressed-air side of the compression cylinder (7), the piston (15) being operable in the unlocking direction via this fill-up valve (11) by compressed-air actuation.
EP93116290A 1992-10-28 1993-10-08 Device for locking or fixing an invalid lift Expired - Lifetime EP0595093B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4236335A DE4236335C2 (en) 1992-10-28 1992-10-28 Device for locking or fixing a lift for the disabled
DE4236335 1992-10-28

Publications (2)

Publication Number Publication Date
EP0595093A1 EP0595093A1 (en) 1994-05-04
EP0595093B1 true EP0595093B1 (en) 2001-06-20

Family

ID=6471521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116290A Expired - Lifetime EP0595093B1 (en) 1992-10-28 1993-10-08 Device for locking or fixing an invalid lift

Country Status (3)

Country Link
EP (1) EP0595093B1 (en)
AT (1) ATE202271T1 (en)
DE (2) DE4236335C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002071995A1 (en) * 2001-03-13 2002-09-19 Suministros Y Servicios Unificados De Carroceria, S.L. Bus access platform for persons of reduced mobility
CN102744217B (en) * 2012-06-29 2014-01-29 黑龙江大学 Unlocking lifting rod mechanism used for ball bearing inner and outer lantern ring sorting and assembly machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR568610A (en) * 1923-07-12 1924-03-29 New auto-pneumatic safety lock
US3295878A (en) * 1964-07-06 1967-01-03 Dow Chemical Co Fastening apparatus
US3524334A (en) * 1969-04-21 1970-08-18 Segal Products Co Inc Gas action locking system
DE3820339A1 (en) * 1988-06-15 1989-12-21 Gustav Bruns Gmbh & Co Kg Wheel-chair access in the region of the driver's seat of passenger transport vehicles, especially buses
DE8910746U1 (en) * 1989-09-08 1989-10-19 Karl Kässbohrer Fahrzeugwerke GmbH, 7900 Ulm Boarding device for motor vehicles, in particular for buses
JPH03197243A (en) * 1989-12-26 1991-08-28 Fuji Heavy Ind Ltd Lock device of elevating platform in vertical lift device for automobile
US5165839A (en) * 1990-10-24 1992-11-24 Hogan Mfg. Wheelchair lift for railway cars
DE4033799A1 (en) * 1990-10-24 1992-04-30 Plm Paulmichl Fahrzeug Und Anl Method of loading wheelchair into bus - involves using raisable platform with extending rail

Also Published As

Publication number Publication date
DE4236335C2 (en) 2000-02-24
DE59310178D1 (en) 2001-07-26
EP0595093A1 (en) 1994-05-04
DE4236335A1 (en) 1994-05-05
ATE202271T1 (en) 2001-07-15

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