EP0179712A1 - Wheeled stretcher with supporting surface adaptable in height - Google Patents

Wheeled stretcher with supporting surface adaptable in height Download PDF

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Publication number
EP0179712A1
EP0179712A1 EP85401996A EP85401996A EP0179712A1 EP 0179712 A1 EP0179712 A1 EP 0179712A1 EP 85401996 A EP85401996 A EP 85401996A EP 85401996 A EP85401996 A EP 85401996A EP 0179712 A1 EP0179712 A1 EP 0179712A1
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EP
European Patent Office
Prior art keywords
frame
height
articulated
legs
leg
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.)
Granted
Application number
EP85401996A
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German (de)
French (fr)
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EP0179712B1 (en
Inventor
Michel Zarka
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Contact Securite A Responsabilite Dite Ltee Ste
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Contact Securite A Responsabilite Dite Ltee Ste
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Publication of EP0179712A1 publication Critical patent/EP0179712A1/en
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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
    • A61G1/00—Stretchers
    • A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
    • A61G1/052—Struts, spars or legs
    • A61G1/056—Swivelling legs
    • A61G1/0562—Swivelling legs independently foldable, i.e. at least part of the leg folding movement is not simultaneous
    • 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
    • A61G1/00—Stretchers
    • A61G1/02—Stretchers with wheels
    • A61G1/0206—Stretchers with wheels characterised by the number of supporting wheels if stretcher is extended
    • A61G1/0212—2 pairs having wheels within a pair on the same position in longitudinal direction, e.g. on the same axis
    • 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
    • A61G1/00—Stretchers
    • A61G1/02—Stretchers with wheels
    • A61G1/0231—Stretchers with wheels having only fixed wheels
    • 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
    • A61G1/00—Stretchers
    • A61G1/02—Stretchers with wheels
    • A61G1/025—Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position
    • A61G1/0262—Stretchers with wheels having auxiliary wheels, e.g. wheels not touching the ground in extended position having loading wheels situated in the front during loading
    • 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
    • A61G1/00—Stretchers
    • A61G1/02—Stretchers with wheels
    • A61G1/0293—Stretchers with wheels stretcher supports with wheels, e.g. used for stretchers without wheels

Definitions

  • the subject of the present invention is a stretcher trolley with a layer plan which can be adjusted in height.
  • stretcher trolleys comprising a plate on which the person to be transported is stretched and which is mounted on a base provided with wheels making it possible to move said stretcher on the ground.
  • it is very important to adapt the height of the diaper plane relative to another plane on which the stretcher must be moved and in particular the floor of an ambulance.
  • each leg of the base is connected to the frame by a link articulated respectively on the frame 1 and on the leg, said link being connected to means for adjusting the height of the layer tray and said leg being connected to a means of holding and tilting the plate.
  • the device also includes a means for adjusting the inclination of the diaper tray to place the person in a determined position.
  • FIGS 1 to 4 there is shown an embodiment of a stretcher trolley according to the invention which comprises a frame 1 on which is fixed a layer tray 2 intended to receive an elongated person.
  • the frame 1 consists of two beams 3, 3a interconnected by crosspieces 4, 5 made of boxes intended to receive part of the mechanism. Handles 6 are provided at the ends of the side members for guiding the stretcher. On the frame 1 are mounted in an articulated manner two pairs of legs 7, 7a interconnected by a crosspiece 15, 15a and which rest on the ground by means of wheels 8 allowing the movement of the stretcher trolley.
  • each leg 7, 7a is connected to the frame 1 by connecting rods 11 articulated respectively around an axis 12 on the leg and around a shaft 13 pivotally mounted in bearings 14 fixed on the side members 3, 3a of the frame.
  • a fork 16 On the shaft 13 of articulation of each link 11 on the longitudinal members is fixed a fork 16 extending inside the longitudinal members 3, 3a and whose branches are engaged in two notches 17, 17a provided on both sides another of a transmission bar 18, 18a ( Figures 1, 2) slidably mounted in each beam 3, 3a.
  • the transmission bars 18, 18a each have two notches 19, 19a in which are engaged the two branches of a fork 20 fixed to each end of a shaft 21 rotatably mounted in the cross 5 of frame 1 ( Figures 1, 2 and 5).
  • a yoke 22 between the branches of which is pivotally mounted a nut 23 in which is engaged a threaded rod 24 rotatably mounted in a bearing 25 between two thrust washers 26, 26a, said bearing being articulated between two flanges 27, 27a fixed under the cross-member 5.
  • the threaded rod 2 is provided with a crank 28 allowing the threaded rod 24 to rotate and act on the nut 23.
  • the device comprises a bar 29 which is articulated at one of its ends around an axis 30 mounted in a yoke 31 fixed on the crosspiece 15 connecting each pair of legs 7, 7a ( Figures 3, 4 and 5).
  • the bar 29 is articulated around an axis 32 integral with a ball joint 33 mounted in a corresponding housing of one of the branches of a bracket 34, the other branch of which carries an axis 35 rotatably mounted in a bearing 36 fixed in the crosspiece 4 and 5.
  • the axis 35 is integral in rotation with a lifter 37 one end of which is articulated on the rod, a gas shock absorber 38 and the other end of which is articulated on the rod of a shock absorber 39, the shock absorbers 38 and 39 being fixed by an articulation on the cross-member 5.
  • One of the shock absorbers 38 is controlled by a means making it possible to cancel and restore the elastic effect of the gas in order to move the piston to modify the inclination of the legs 7, 7a relative to the frame and then to ensure the maintenance in position of the legs.
  • a stop member 41 constituted by a U-shaped bar capable of coming to bear against the legs 7 when folded.
  • the device according to the invention operates in the following manner.
  • the diaper tray being at a determined height, it may be necessary to bring it to another level in order in particular to load the stretcher in an ambulance.
  • action is taken on the crank 28 in order to rotate the threaded rod 24 (FIG. 5) and to move the nut 23 longitudinally relative to the screw.
  • the nut 23 being articulated in the yoke 22, it rotates the shaft 21 pivotally mounted in bearings of the cross-member 5.
  • the forks 20 integral with the shaft 21 are also driven in rotation and act by the notches 19, 19a on the bars 18, 18a which slide longitudinally in the longitudinal members 3, 3a.
  • the legs 7, 7a can be folded completely against the frame 1.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

Chariot-brancard à plan de couche adaptable en hauteur, comprenant un bâti (1) sur lequel est fixé un plateau de couche (2) et qui repose sur le sol au moyen d'un piètement munie de roues (8) Chaque jambage (7, 7a) du piètement est relié au bâti par une biellette (11) articulée respectivement sur le bâti (1) et sur le jambage (7, 7a) ladite biellette (11) étant reliée à des moyens de règlage en hauteur du plateau de couche et ledit jambage (7, 7a) étant relié à un moyen de maintien et d'inclinaison du plateau.Trolley-stretcher with a layer plan adaptable in height, comprising a frame (1) on which is fixed a layer plate (2) and which rests on the ground by means of a base provided with wheels (8) Each leg (7 , 7a) of the base is connected to the frame by a link (11) articulated respectively on the frame (1) and on the leg (7, 7a) said link (11) being connected to means for adjusting the height of the layer tray and said leg (7, 7a) being connected to a means for holding and tilting the plate.

Description

La présente invention a pour objet un chariot-brancard a plan de couche adaptable en hauteur.The subject of the present invention is a stretcher trolley with a layer plan which can be adjusted in height.

On connait des chariots-brancards comportant un plateau sur lequel est allongée la personne à transporter et qui est monté sur un piètement muni de roues permettant de déplacer ledit brancard sur le sol. Toutefois, il est très important d'adapter la hauteur du plan de couche par rapport à un autre plan sur lequel le brancard doit être déplacé et notamment le plancher d'une ambulance.We know stretcher trolleys comprising a plate on which the person to be transported is stretched and which is mounted on a base provided with wheels making it possible to move said stretcher on the ground. However, it is very important to adapt the height of the diaper plane relative to another plane on which the stretcher must be moved and in particular the floor of an ambulance.

Pour procéder à cette adaptation de la hauteur du plan de couche, on rencontre des difficultés pour obtenir un déplacement au cours duquel le plan de couche reste parfaitement horizontal.To make this adaptation of the height of the layer plane, we encounter difficulties in obtaining a displacement during which the layer plane remains perfectly horizontal.

Par ailleurs, il est difficile de loger les moyens de commande sur le bâti du plateau sans gêner le repliement des jambages du piètement.Furthermore, it is difficult to accommodate the control means on the frame of the tray without hampering the folding of the legs of the base.

Conformément à la présente invention, chaque jambage du piètement est relié au bâti par une biellette articulée respectivement sur le bâti 1 et sur le jambage, ladite biellette étant reliée à des moyens de règlage en hauteur du plateau de couche et ledit jambage étant relié à un moyen de maintien et d'inclinaison du plateau.In accordance with the present invention, each leg of the base is connected to the frame by a link articulated respectively on the frame 1 and on the leg, said link being connected to means for adjusting the height of the layer tray and said leg being connected to a means of holding and tilting the plate.

Cette disposition suivant l'invention permet l'élévation horizontale du plan de couche à partir d'un seul organe de commande et sans gêner les zones réservées aux jambages du piètement. D'autre part, le dispositif comporte également un moyen permettant de règler l'inclinaison du plateau de couche pour disposer la personne dans une position déterminée.This arrangement according to the invention allows the horizontal elevation of the layer plane from a single control member and without interfering with the areas reserved for the legs of the base. On the other hand, the device also includes a means for adjusting the inclination of the diaper tray to place the person in a determined position.

D'autres caractéristiques de l'invention ressortent d'ailleurs de la description détaillée qui suit. Un mode de réalisation de l'objet de l'invention est représenté à titre d'exemple non limitatif sur le dessin annexé. Sur ce dessin :

  • - la figure 1 est une vue en élévation et en coupe schématique suivant la ligne 1-1 de la figure 2 d'un mode de réalisation d'un chariot-brancard suivant l'invention.
  • - la figure 2 est une vue en plan du chariot-brancard représenta a la figure 1.
  • - la figure 3 est une vue en élévation et en coupe schématique suivant la ligne III-III de la figure 2 du chariot-brancard.
  • - la figure 4 est une vue de dessous suivant la ligne IV-IV de la figure 1,
  • - la figure 5 est une vue en perspective du dispositif de commande du déplacement en hauteur du plan de couche.
Other characteristics of the invention will also emerge from the detailed description which follows. An embodiment of the object of the invention is shown by way of nonlimiting example in the accompanying drawing. On this drawing :
  • - Figure 1 is an elevational view in schematic section along line 1-1 of Figure 2 of an embodiment of a stretcher trolley according to the invention.
  • - Figure 2 is a plan view of the stretcher trolley shown in Figure 1.
  • - Figure 3 is an elevational view in schematic section along line III-III of Figure 2 of the stretcher.
  • FIG. 4 is a bottom view along line IV-IV of FIG. 1,
  • - Figure 5 is a perspective view of the device for controlling the displacement in height of the layer plane.

Aux figures 1 à 4, on a représenté un mode de réalisation d'un chariot-brancard suivant l'invention qui comprend un bâti 1 sur lequel est fixé un plateau de couche 2 destiné à recevoir une personne allongée.In Figures 1 to 4, there is shown an embodiment of a stretcher trolley according to the invention which comprises a frame 1 on which is fixed a layer tray 2 intended to receive an elongated person.

Le bâti 1 est constitué de deux longerons 3, 3a reliés entre eux par des traverses 4, 5 constituées de boitiers destinés à recevoir une partie du mécanisme. Aux extrémités des longerons sont prévues des poignées 6 destinées à permettre le guidage du chariot-brancard. Sur le bâti 1 sont montés de façon articulée deux paires de jambages 7, 7a reliés entre eux par une traverse 15, 15a et qui reposent sur le sol au moyen de roues 8 permettant le déplacement du chariot-brancard.The frame 1 consists of two beams 3, 3a interconnected by crosspieces 4, 5 made of boxes intended to receive part of the mechanism. Handles 6 are provided at the ends of the side members for guiding the stretcher. On the frame 1 are mounted in an articulated manner two pairs of legs 7, 7a interconnected by a crosspiece 15, 15a and which rest on the ground by means of wheels 8 allowing the movement of the stretcher trolley.

A l'une des extrémités des longerons 3, 3a sont prévus des organes de support 9 portant des roues 10 susceptibles de venir en contact avec un plan quelconque, notamment le plancher d'une ambulance dans laquelle le brancard est chargé. Chaque jambage 7,7a est relié au châssis 1 par des biellettes 11 articulées respectivement autour d'un axe 12 sur le jambage et autour d'un arbre 13 monté pivotant dans des paliers 14 fixés sur les longerons 3, 3a du châssis. Sur l'arbre 13 d'articulation de chaque biellette 11 sur les longerons est fixée une fourchette 16 s'étendant à l'intérieur des longerons 3, 3a et dont les branches sont engagées dans deux encoches 17, 17a prévues de part et d'autre d'une barre de transmission 18, 18a (figures 1, 2) montée coulissante dans chaque longeron 3, 3a.At one end of the side members 3, 3a are provided support members 9 carrying wheels 10 capable of coming into contact with any plane, in particular the floor of an ambulance in which the stretcher is loaded. Each leg 7, 7a is connected to the frame 1 by connecting rods 11 articulated respectively around an axis 12 on the leg and around a shaft 13 pivotally mounted in bearings 14 fixed on the side members 3, 3a of the frame. On the shaft 13 of articulation of each link 11 on the longitudinal members is fixed a fork 16 extending inside the longitudinal members 3, 3a and whose branches are engaged in two notches 17, 17a provided on both sides another of a transmission bar 18, 18a (Figures 1, 2) slidably mounted in each beam 3, 3a.

A l'une de leurs extrémités, les barres de transmission 18, 18a présentent chacune deux encoches 19, 19a dans lesquelles sont engagées les deux branches d'une fourchette 20 fixée à chacune des extrémités d'un arbre 21 monté rotatif dans la traverse 5 du bâti 1 (figures 1, 2 et 5). Sur l'arbre 21 est fixé dans sa partie médiane une chape 22 entre les branchesde laquelle est monté pivotant un écrou 23 dans lequel est engagée une tige filetée 24 montée rotative dans un palier 25 entre deux rondelles de butée 26, 26a, ledit palier étant monté de façon articulée entre deux flasques 27, 27a fixés sous la traverse 5.At one of their ends, the transmission bars 18, 18a each have two notches 19, 19a in which are engaged the two branches of a fork 20 fixed to each end of a shaft 21 rotatably mounted in the cross 5 of frame 1 (Figures 1, 2 and 5). On the shaft 21 is fixed in its middle part a yoke 22 between the branches of which is pivotally mounted a nut 23 in which is engaged a threaded rod 24 rotatably mounted in a bearing 25 between two thrust washers 26, 26a, said bearing being articulated between two flanges 27, 27a fixed under the cross-member 5.

A son extrémité opposée à l'écrou, la tige filetée 2 est munie d'une manivelle 28 permettant d'entraîner en rotation la tige filetée 24 et d'agir sur l'écrou 23.At its end opposite the nut, the threaded rod 2 is provided with a crank 28 allowing the threaded rod 24 to rotate and act on the nut 23.

Pour assurer le maintien en position des jambages 7, 7a et l'inclinaison du plateau, le dispositif comporte une barre 29 qui est articulée à l'une de ses extrémités autour d'un axe 30 monté dans une chape 31 fixée sur la traverse 15 reliant chaque paire de jambages 7, 7a (figures 3, 4 et 5).To maintain the legs 7, 7a in position and tilt the plate, the device comprises a bar 29 which is articulated at one of its ends around an axis 30 mounted in a yoke 31 fixed on the crosspiece 15 connecting each pair of legs 7, 7a (Figures 3, 4 and 5).

A son autre extrémité, la barre 29 est articulée autour d'un axe 32 solidaire d'une rotule 33 montée dans un logement correspondant de l'une des branches d'une équerre 34 dont l'autre branche porte un axe 35 monté rotatif dans un palier 36 fixé dans la traverse 4 et 5. L'axe 35 est solidaire en rotation d'un palonnier 37 dont l'une des extrémités est articulée sur la tige, d'un amortisseur à gaz 38 et dont l'autre extrémité est articulée sur la tige d'un amortisseur 39, les amortisseurs 38 et 39 étant fixés par une articulation sur la traverse 5.At its other end, the bar 29 is articulated around an axis 32 integral with a ball joint 33 mounted in a corresponding housing of one of the branches of a bracket 34, the other branch of which carries an axis 35 rotatably mounted in a bearing 36 fixed in the crosspiece 4 and 5. The axis 35 is integral in rotation with a lifter 37 one end of which is articulated on the rod, a gas shock absorber 38 and the other end of which is articulated on the rod of a shock absorber 39, the shock absorbers 38 and 39 being fixed by an articulation on the cross-member 5.

L'un des amortisseurs 38 est commandé par un moyen permettant d'annuler et de rétablir l'effet élastique du gaz afin de déplacer le piston pour modifier l'inclinaison des jambages 7, 7a par rapport au bâti et d'assurer ensuite le maintien en position des jambages.One of the shock absorbers 38 is controlled by a means making it possible to cancel and restore the elastic effect of the gas in order to move the piston to modify the inclination of the legs 7, 7a relative to the frame and then to ensure the maintenance in position of the legs.

Sur la traverse 5 est monté de façon articulée autour d'axes 40, 40a un organe de butée 41 constitué par une barre en forme d'U susceptible de venir en appui contre les jambages 7 lorsqu'ils sont repliés.On the cross-member 5 is mounted in an articulated fashion around axes 40, 40a a stop member 41 constituted by a U-shaped bar capable of coming to bear against the legs 7 when folded.

Le dispositif suivant l'invention fonctionne de la manière suivante. Le plateau de couche se trouvant à une hauteur déterminée, il peut être nécessaire de l'amener à un autre niveau pour procéder notamment au chargement du brancard dans une ambulance. A cet effet, on agit sur la manivelle 28 afin d'entraîner en rotation la tige filetée 24 (figure 5) et de déplacer longitudinalement l'écrou 23 par rapport à la vis.The device according to the invention operates in the following manner. The diaper tray being at a determined height, it may be necessary to bring it to another level in order in particular to load the stretcher in an ambulance. To this end, action is taken on the crank 28 in order to rotate the threaded rod 24 (FIG. 5) and to move the nut 23 longitudinally relative to the screw.

L'écrou 23 étant articulé dans la chape 22, il entraîne en rotation l'arbre 21 monté pivotant dans des paliers de la traverse 5.The nut 23 being articulated in the yoke 22, it rotates the shaft 21 pivotally mounted in bearings of the cross-member 5.

De la même manière, les fourchettes 20 solidaires de l'arbre 21 sont également entraînées en rotation et agissent par les encoches 19, 19a sur les barres 18, 18a qui coulissent longitudinalement dans les longerons 3, 3a.In the same way, the forks 20 integral with the shaft 21 are also driven in rotation and act by the notches 19, 19a on the bars 18, 18a which slide longitudinally in the longitudinal members 3, 3a.

Les barres 18, 18a présentant des encoches 17, 17a dans lesquelles sont engagées les fourchettes 16 solidaires des arbres 13, il en résulte une transformation de mouvement assurant l'entraînement en rotation des biellettes 11. Du fait que les jambages 7, 7a sont maintenues par la barre 29 et les amortisseurs 38, 39, on obtient une variation de hauteur du plateau de couche 2 par rapport au sol sur lequel reposent les roues.The bars 18, 18a having notches 17, 17a in which are engaged the forks 16 integral with the shafts 13, this results in a transformation of movement ensuring the driving in rotation of the rods 11. Because the legs 7, 7a are maintained by the bar 29 and the shock absorbers 38, 39, a variation in height of the layer 2 plate is obtained with respect to the ground on which the wheels rest.

En agissant sur l'amortisseur règlable 38 notamment au moyen de boutons-poussoirs, on peut modifier la position du piston qui fait pivoter le palonnier et par suite l'équerre 34 qui assure le déplacement de la barre 29 et de la paire de jambages 7 ou 7a qui pivote autour de l'axe 12 pour incliner le plateau 2 soit vers l'avant, soit vers l'arrière suivant que l'on agit sur la paire de jambages 7 ou 7a.By acting on the adjustable damper 38 in particular by means of push-buttons, it is possible to modify the position of the piston which makes the lifter pivot and consequently the bracket 34 which ensures the displacement of the bar 29 and of the pair of legs 7 or 7a which pivots around the axis 12 to tilt the plate 2 either forwards or backwards depending on whether one acts on the pair of legs 7 or 7a.

Dans une position extrême, les jambages 7, 7a peuvent être repliés complètement contre le bâti 1.In an extreme position, the legs 7, 7a can be folded completely against the frame 1.

Bien entendu, l'invention n'est pas limitée à la forme de réalisation représentée et décrite en détail, car diverses modifications peuvent y être apportées sans sortir de son cadre.Of course, the invention is not limited to the embodiment shown and described in detail, because various modifications can be made without departing from its scope.

Claims (4)

1.- Chariot-brancard à plan de couche adaptable en hauteur, comprenant un bâti sur lequel est fixé un plateau de couche et qui repose sur le sol au moyen d'un piètement munie de roues caractérisé en ce que chaque jambage 7, 7a du piètement est relié au bâti par une biellette 11 articulée respectivement sur le bâti 1 et sur le jambage 7, 7a, ladite biellette 11 étant reliée à des moyens de règlage en hauteur du plateau de couche et ledit jambage 7, 7a étant relié à un moyen de maintien et d'inclinaison du plateau.1.- Stretcher trolley with layer plan adaptable in height, comprising a frame on which is fixed a layer tray and which rests on the ground by means of a base provided with wheels characterized in that each leg 7, 7a of the base is connected to the frame by a link 11 articulated respectively on the frame 1 and on the leg 7, 7a, said link 11 being connected to means for adjusting the height of the layer tray and said leg 7, 7a being connected to a means to hold and tilt the platform. 2.- Chariot-brancard suivant la revendication 1 caractérisé en ce que le moyen de règlage en hauteur est constitué d'une tige filetée 24 munie d'une manivelle 28 et montée rotative sur le bâti 1, ladite tige filetée 24 étant engagée dans un écrou 23 monté rotatif suivant un axe perpendiculaire à la tige filetée 24 dans une chape 22 solidaire d'un arbre 21 monté rotatif dans le bâti 1 et présentant à chacune de ses extrémités une fourchette 20 engagée dans des encoches 19, 19a d'une barre de transmission 18, 18a montée coulissante longitudinalement dans le bâti 1, ladite barre 18, 18a présentant deux paires d'encoches 17, 17a dans lesquelles sont engagées respectivement deux fourchettes 16 prévues à l'une des extrémités d'un arbre 13 solidaire en rotation des biellettes 11 reliées aux jambages 7, 7a.2.- stretcher trolley according to claim 1 characterized in that the height adjustment means consists of a threaded rod 24 provided with a crank 28 and rotatably mounted on the frame 1, said threaded rod 24 being engaged in a nut 23 rotatably mounted along an axis perpendicular to the threaded rod 24 in a yoke 22 secured to a shaft 21 rotatably mounted in the frame 1 and having at each of its ends a fork 20 engaged in notches 19, 19a of a bar transmission 18, 18a slidably mounted longitudinally in the frame 1, said bar 18, 18a having two pairs of notches 17, 17a in which are respectively engaged two forks 16 provided at one end of a shaft 13 integral in rotation connecting rods 11 connected to the legs 7, 7a. 3.- Chariot-brancard suivant la revendication 1 caractérisé en ce que sur une traverse 15 reliant deux jambages 7, 7a est articulée par l'une de ses extrémités une barre 29 dont l'autre extrémité est articulée sur l'une des branches d'une équerre 34 dont l'autre branche porte un axe 35 sur lequel est fixé un palonnier 37 dont les deux bras opposés sont reliés à deux amortisseurs pneumatiques 38, 39 montés de façon articulée sur le bâti 1.3.- stretcher trolley according to claim 1 characterized in that on a cross 15 connecting two legs 7, 7a is articulated by one of its ends a bar 29 whose other end is articulated on one of the branches d 'a bracket 34, the other branch of which carries an axis 35 on which is fixed a lifter 37 whose two opposite arms are connected to two pneumatic shock absorbers 38, 39 mounted in an articulated manner on the frame 1. 4.- Chariot-brancard suivant la revendication 3, caractérisé en ce que l'un des amortisseurs pneumatiques 38 comporte un moyen de commande du piston permettant de contrôler le pivotement de l'équerre 34 et par suite l'inclinaison des jambages 7, 7a par rapport au bâti 1.4.- stretcher trolley according to claim 3, characterized in that one of the pneumatic shock absorbers 38 comprises a means for controlling the piston making it possible to control the pivoting of the bracket 34 and consequently the inclination of the legs 7, 7a relative to the frame 1.
EP85401996A 1984-10-18 1985-10-15 Wheeled stretcher with supporting surface adaptable in height Expired EP0179712B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8415998 1984-10-18
FR8415998A FR2571958B1 (en) 1984-10-18 1984-10-18 CART-STRETCHER WITH LAYER ADAPTABLE IN HEIGHT

Publications (2)

Publication Number Publication Date
EP0179712A1 true EP0179712A1 (en) 1986-04-30
EP0179712B1 EP0179712B1 (en) 1989-07-26

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EP85401996A Expired EP0179712B1 (en) 1984-10-18 1985-10-15 Wheeled stretcher with supporting surface adaptable in height

Country Status (4)

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US (1) US4682810A (en)
EP (1) EP0179712B1 (en)
DE (1) DE3571758D1 (en)
FR (1) FR2571958B1 (en)

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Also Published As

Publication number Publication date
DE3571758D1 (en) 1989-08-31
FR2571958A1 (en) 1986-04-25
FR2571958B1 (en) 1987-02-20
EP0179712B1 (en) 1989-07-26
US4682810A (en) 1987-07-28

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