EP0200646A2 - Pliable frame and portable objects provided with such a frame - Google Patents

Pliable frame and portable objects provided with such a frame Download PDF

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Publication number
EP0200646A2
EP0200646A2 EP86400912A EP86400912A EP0200646A2 EP 0200646 A2 EP0200646 A2 EP 0200646A2 EP 86400912 A EP86400912 A EP 86400912A EP 86400912 A EP86400912 A EP 86400912A EP 0200646 A2 EP0200646 A2 EP 0200646A2
Authority
EP
European Patent Office
Prior art keywords
folding
rods
axis
central joint
frame
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Withdrawn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
EP86400912A
Other languages
German (de)
French (fr)
Other versions
EP0200646A3 (en
Inventor
Zaharia Zalman
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.)
Individual
Original Assignee
Individual
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Publication date
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Publication of EP0200646A2 publication Critical patent/EP0200646A2/en
Publication of EP0200646A3 publication Critical patent/EP0200646A3/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/12—Folding bedsteads
    • A47C19/126—Folding bedsteads foldable side to side and head to foot, e.g. umbrella type
    • 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
    • A61G1/013—Stretchers foldable or collapsible
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/124—Folding or telescopic bridges; Bridges built up from folding or telescopic sections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32008—Plural distinct articulation axes
    • Y10T403/32024—Single adjustment for plural axes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y10T403/32327—At selected angle including pivot stud including radially spaced detent or latch component
    • Y10T403/32336—Engaging notch or recess in outer periphery of component

Definitions

  • the present invention relates to portable and folding objects such as a portable bridge, portable bed, or portable stretcher.
  • portable objects which are the subject of the present invention are of the type which include folding connecting elements such as spacers and folding frames, extending between two parallel sets of load-bearing rods and these connecting elements entail limitations as regards the way to fold such an object.
  • a folding stretcher is requested by people who walk on foot in places where there is no access to normal ambulance services, i.e. for exploratory expeditions in remote areas, for example mountaineering expeditions, hikers; combat infantry etc. In all these situations, there is usually a rescuer present who must carry the folding stretcher in addition to his personal equipment.
  • the folding stretcher should not only be made of a material as light as possible but must also be able to fold in a volume-as low as possible, so as not to interfere with the freedom of movement of the wearer.
  • the fabric and the folding support and bracing means impose limitations and constraints on the way of folding a stretcher and, consequently, known folding stretchers generally fold only twice, the first time by erasing the bracing and support elements so as to bring the two sets of support rods together and a second time by folding the two sets of rods in half, in order to reduce their size by half.
  • a stretcher folded in this way to a length of 1.05 meters and it is obvious that a stretcher folded of this dimension hinders the movements of the wearer. It is therefore an object of the present invention to provide a folding stretcher which can be folded into a compact state of reduced size.
  • the object of the present invention is to provide portable folding objects which can be folded into a compact folded form which is easy to carry and transport.
  • the invention relates to a folding frame comprising first and second sets of supporting rods connected to each other by folding connecting means, each of the first and second sets of rods comprising a central joint, a pair of internal rods each articulated on an edge of the central joint so as to allow the internal rods to be bent towards one another around a folding axis which extends in space in a direction normal to the longitudinal axis of the 'set of supporting rods, a pair of end rods each connected to the associated internal rod by a joint (peripheral joint) so as to be able to bend around a folding axis extending in space in one direction which makes an angle with the folding axis of the central joint; the folding axis of the peripheral seal of the first set of load-bearing rods extending in space essentially normally to the fold axis of the central seal while the fold axis of the second set of load-bearing rods extends into the space in a direction which makes an angle other than 90 ° with the folding axis
  • the invention also relates to a portable folding object provided with a folding frame as described.
  • a typical application of the invention is that of a portable stretcher comprising a folded frame as described and a canvas held by said first and second sets of load-bearing rods.
  • Another application of the invention is that of a portable bed provided with a folding frame as described, and yet another application of the invention being that of a portable bridge provided with a folding frame as described.
  • the frames according to the invention are made of light metal, such as aluminum for example.
  • the frame 'stretcher shown comprises a first rod set carrier 2 and a second set of carrier rods 3 connected by a pair of folding arquées4 spacers, each comprising a pair of bars 5 and a connecting part 6, each of the bars 5 being articulated by one end on a connecting piece 6 and by the other end on the set of associated carrying rods.
  • the framework 1 On its rear side, the framework 1 comprises four feet 7, two integral with the set of rods 2 and two integral with the assembly of rods 3.
  • the first set of rods 2 comprises a central joint 8 on which two internal rods 9 are articulated so as to allow each rod 9 to tilt 90 ° around an axis which extends in space in a normal direction to the longitudinal axis of the joint 8, so that it can come to occupy the positions represented in FIGS. 3 and 4.
  • the first set of rods further comprises a pair of end rods 10 each connected with the associated rod 9 by a peripheral seal 11, the connection between the seals 11 and each of the rods 9 and 10 being produced so as to allow the assembly 10, 11 to bend around a folding axis which extends in space according to a direction normal to that of the folding axis of the central joint 8, as shown in FIGS. 4 to 6, in order to reach the double folded position shown in FIG. 7.
  • the peripheral seals 11 are prevented from folding back by the canvas and the weight of the person carried.
  • a second set of supporting rods 3 comprises a central joint 13, a pair of internal rods 14 articulated on the central joint 13 in the same way as the rods 9 are articulated on the central joint 8, and a pair of end rods 15, each of which is articulated to the associated rod 14 by a peripheral seal 16 so as to allow the assembly 15, 16 to bend around a folding axis which extends in space in a direction which makes with the folding axis of the joint 13 at an angle other than 90 °. Consequently, each end rod 15 can tilt in a plane which intersects the plane of the unfolded framework. For this reason, the seals 16 are provided with a locking mechanism to prevent their collapse, as will be described below in more detail.
  • end rods 10 and 15 carry handles 17.
  • each of the assemblies 9, 10, 11 and 14, 15, 16 is tilted 90 ° around the pivots by which the internal rods 9 and 14 are articulated on the central joints 8.
  • the beginning of this phase folding is shown in broken lines in Figure 3 and the end of this phase is shown in solid lines in Figure 4.
  • the frame is in the form U-shaped, elements 5, 6, spacers 4 and feet 7 being positioned inside the U as shown.
  • the framework 1 is associated with a fabric which, in the unfolded state of FIG. 1, is located above the arched spacers 4 and this requires that the end rods 10 and 15 must all be folded on the same side of the fabric.
  • the canvas has not been shown in the drawings for clarity of the representation.
  • FIGS. 8 and 9 we see, on a larger scale, a seal 16 provided with a locking means for prevent unwanted bending of the bars 15 and 14 of the second set of support rods 3.
  • the seal 16 comprises a curved elastic locking device consisting of two annular members 19 held by a connecting piece 20.
  • Two plates 21 are mounted on the upper face of the seal 16 and each has a re-entrant edge retaining the extreme portions of the associated annular member 19. Near one of these ends, each plate 21 is made integral with the joint using a rivet 24.
  • Each of the plates 21 is pierced with a hole 22 which cooperates with a boss 23 integral with the associated rod 14 or 15.

Abstract

@ L'ossature pliante (1) de l'invention comprend des premier et second ensembles de tiges porteuses (2, 3) qui sont reliés entre eux par des entretoises arquées pliantes (4). Chacun de ces ensembles (2, 3) comprend un joint central (8, 13) et une paire de tiges intérieures (9, 14) articulées chacune sur un bord du joint central pour permettre de plier ces tiges intérieures pour les rapprocher l'une de l'autre autour d'un axe transversal. Chaque ensemble (2, 3) comprend en outre une paire de tiges d'extrémité (10, 15) reliées chacune à la tige intérieure associée par un joint périphérique (11, 16). Les tiges d'extrémité (19) du premier ensemble (2) peuvent se plier autour d'un axe normal à l'axe de pliage du joint central alors que les tiges d'extrémité (15) du second ensemble (3) peuvent se plier autour d'un axe faisant avec l'axe de pliage du joint central un angle autre que 90'.

Figure imgaf001
@ The folding frame (1) of the invention comprises first and second sets of supporting rods (2, 3) which are connected together by folding arched spacers (4). Each of these assemblies (2, 3) comprises a central joint (8, 13) and a pair of internal rods (9, 14) each articulated on an edge of the central joint to allow the internal rods to be bent to bring them closer together. on the other around a transverse axis. Each set (2, 3) further comprises a pair of end rods (10, 15) each connected to the associated internal rod by a peripheral seal (11, 16). The end rods (19) of the first set (2) can bend around an axis normal to the folding axis of the central joint while the end rods (15) of the second set (3) can bend fold around an axis making an angle other than 90 'with the folding axis of the central joint.
Figure imgaf001

Description

La présente invention concerne les objets portatifs et pliants tel qu'un pont portatif, lit portatif, ou brancard portatif. Les objets portatifs faisant l'objet de la présente invention sont du type de ceux qui comprennent des éléments de liaison pliants telle que entretoises et armaturespliantes, s'étendant entre deux ensembles parallèles de tiges porteuses et ces éléments de liaison entraînent des limitations quant à la manière de plier un tel objet.The present invention relates to portable and folding objects such as a portable bridge, portable bed, or portable stretcher. The portable objects which are the subject of the present invention are of the type which include folding connecting elements such as spacers and folding frames, extending between two parallel sets of load-bearing rods and these connecting elements entail limitations as regards the way to fold such an object.

On va décrire l'invention ci-après notamment dans son application à un brancard pliant, mais cela ne constitue d'aucune façon une limitation de l'invention.The invention will be described below in particular in its application to a folding stretcher, but this does not in any way constitute a limitation of the invention.

De manière typique, un brancard pliant est réclamé par les personnes qui se déplacent à pied dans des endroits ou il n'y a aucun accès à des services d'ambulance normaux, c'est à dire pour les expéditions d'exploration'dans des régions éloignées, par exemple des expéditions d'alpinisme, randonneurs; infantrie de combat etc. Dans toutes ces situations, il y a présent d'habitude un secouriste qui doit porter le brancard pliant en plus de son équipement personnel.Typically, a folding stretcher is requested by people who walk on foot in places where there is no access to normal ambulance services, i.e. for exploratory expeditions in remote areas, for example mountaineering expeditions, hikers; combat infantry etc. In all these situations, there is usually a rescuer present who must carry the folding stretcher in addition to his personal equipment.

En conçoit aisément que dans de telles situations, il est d'une importance capitale que le brancard pliant, doive non seulement être réalisé en un matériau aussi léger que possible mais doive en outre pouvoir se plier dans un volume-aussi faible que possible, de façon à ne pas gêner la liberté de mouvement du porteur. Toutefois, la toile et les moyens de support et d'entretoisement pliants imposent des limitations et des contraintes à la façon de plier un brancard et, par conséquent, les brancards pliants connus ne se plient en règle générale que deux fois,'une première fois par effacement des éléments d'entretoisement et de support de façon à rapprocher les deux ensembles de tiges porteuses l'un de l'autre et une seconde fois par pliage des deux ensembles de tiges en deux, afin de réduire leur dimension de moitié. En admettant qu'un brancard présente en général une longueur de 2, 10 mètres, un brancard plié de cette manière à une longueur de 1, 05 mètres et il est évident qu'un brancard plié de cette dimension gêne les mouvements du porteur. Il est par conséquent un but de la présente invention de réaliser un brancard pliant pouvant être plié selon un état compact de dimension réduite.It is easy to see that in such situations it is of paramount importance that the folding stretcher should not only be made of a material as light as possible but must also be able to fold in a volume-as low as possible, so as not to interfere with the freedom of movement of the wearer. However, the fabric and the folding support and bracing means impose limitations and constraints on the way of folding a stretcher and, consequently, known folding stretchers generally fold only twice, the first time by erasing the bracing and support elements so as to bring the two sets of support rods together and a second time by folding the two sets of rods in half, in order to reduce their size by half. Assuming that a stretcher generally has a length of 2, 10 meters, a stretcher folded in this way to a length of 1.05 meters and it is obvious that a stretcher folded of this dimension hinders the movements of the wearer. It is therefore an object of the present invention to provide a folding stretcher which can be folded into a compact state of reduced size.

De manière générale, le but de la présente invention est de réaliser des objets pliants portatifs pouvant être pliés selon une forme pliée compacte facile à porter et à transporter.In general, the object of the present invention is to provide portable folding objects which can be folded into a compact folded form which is easy to carry and transport.

Pour ce faire, l'invention a pour objet une ossature pliante comprenant des premier et second ensembles de tiges porteuses reliées entre eux par des moyens de liaison pliantes, chacun des premier et second ensembles de tiges comprenant un joint central, une paire de tiges intérieures articulées chacune sur un bord du joint central de façon à permettre de plier les tiges intérieures l'une vers l'autre autour d'un axe de pliage qui s'étend dans l'espace selon une direction normale à l'axe longitudinale de l'ensemble de tiges porteuses, une paire de tiges d'extrémité reliées chacune à la tige intérieure associée par un joint (jôint périphérique) de façon à pouvoir se plier autour d'un axe de pliage s'étendant dans l'espace dans une direction qui fait un angle avec l'axe de pliage du joint central; l'axe de pliage du joint périphérique du premier ensemble de tiges porteuses s'étendant dans l'espace essentiellement normalement à l'axe de pliage du joint central alors que l'axe de pliage du second ensemble de tiges porteuses s'étend dans l'espace selon une direction qui fait avec l'axe de pliage du joint central un angle autre que 90°, de telle façon que, à l'état plié, les tiges d'extrémité du second ensemble viennent prendre appui entre les tiges d'extrémité du premier ensemble.To do this, the invention relates to a folding frame comprising first and second sets of supporting rods connected to each other by folding connecting means, each of the first and second sets of rods comprising a central joint, a pair of internal rods each articulated on an edge of the central joint so as to allow the internal rods to be bent towards one another around a folding axis which extends in space in a direction normal to the longitudinal axis of the 'set of supporting rods, a pair of end rods each connected to the associated internal rod by a joint (peripheral joint) so as to be able to bend around a folding axis extending in space in one direction which makes an angle with the folding axis of the central joint; the folding axis of the peripheral seal of the first set of load-bearing rods extending in space essentially normally to the fold axis of the central seal while the fold axis of the second set of load-bearing rods extends into the space in a direction which makes an angle other than 90 ° with the folding axis of the central joint, so that, in the folded state, the end rods of the second set come to bear between the rods end of the first set.

L'invention a également pour objet un objet pliant portatif doté d'une ossature pliante telle que décrite.The invention also relates to a portable folding object provided with a folding frame as described.

Une application typique de l'invention est celle d'un brancard portatif comprenant une ossature pliée telle que décrite et une toile maintenue par lesdits premier et second ensembles de tiges porteuses.A typical application of the invention is that of a portable stretcher comprising a folded frame as described and a canvas held by said first and second sets of load-bearing rods.

Une autre application de l'invention est celle d'un lit portatif doté d'une ossature pliante telle que décrite, et une autre application encore de l'invention étant celle d'un pont portatif doté d'une ossature pliante telle que décrite.Another application of the invention is that of a portable bed provided with a folding frame as described, and yet another application of the invention being that of a portable bridge provided with a folding frame as described.

De préférence, les ossatures conformes' à l'invention sont réalisées en métal léger, tel que de l'aluminium par example.Preferably, the frames according to the invention are made of light metal, such as aluminum for example.

L'invention est illustrée, à titre d'exemple uniquement, par les dessins annexés dans lesquels:

  • la figure 1 est une vue de dessus en perspective d'une ossature de brancard conforme à l'invention, à l'état déplié;
  • la figure 2 est une vue en perspective depuis l'extrémité arrière de l'ossature de brancard représentée sur la figure 1;
  • la figure 3 est une vue latérale en perspective de l'ossature de la figure 1, mais à plus grande échelle, et la .représentant lors de l'étape initiale de pliage;
  • les figures 4, 5 et 6 sont des vues en perspective représentant l'ossature lors de diverses étapes de pliage;
  • la figure 7 est une vue en perspective représen- < tant le brancard à l'état entièrement plié; et
  • les figures 8 et 9 sont respectivement des vues en élévation et en plan d'un des joints périphériques de 1'ossature, à plus grande échelle, représentant un mécanisme de blocages de ceux-ci.
The invention is illustrated, by way of example only, by the appended drawings in which:
  • Figure 1 is a top perspective view of a stretcher frame according to the invention, in the unfolded state;
  • Figure 2 is a perspective view from the rear end of the stretcher frame shown in Figure 1;
  • Figure 3 is a perspective side view of the frame of Figure 1, but on a larger scale, and .representing during the initial folding step;
  • Figures 4, 5 and 6 are perspective views representing the frame during various folding steps;
  • Figure 7 is a perspective view showing the stretcher in the fully folded state; and
  • FIGS. 8 and 9 are respectively elevation and plan views of one of the peripheral joints of the frame, on a larger scale, showing a blocking mechanism thereof.

L'ossature'de brancard représentée comprend un premier ensemble de tiges porteuses 2 et un second ensemble de tiges porteuses 3 reliés par une paire d'entretoises pliantes arquées4, comprenant chacune une paire de barres 5 et une pièce de liaison 6, chacune des barres 5 étant articulée par une extrémité sur une pièce de liaison 6 et par l'autre extrémité sur l'ensemble de tiges porteuses associé. Sur son côté arrière, l'ossature 1 comprend quatre pieds 7, deux solidaires-de l'ensemble de tiges 2 et deux solidaires de l'ensemble de tiges 3.The frame 'stretcher shown comprises a first rod set carrier 2 and a second set of carrier rods 3 connected by a pair of folding arquées4 spacers, each comprising a pair of bars 5 and a connecting part 6, each of the bars 5 being articulated by one end on a connecting piece 6 and by the other end on the set of associated carrying rods. On its rear side, the framework 1 comprises four feet 7, two integral with the set of rods 2 and two integral with the assembly of rods 3.

Le premier ensemble de tiges 2 comprend un joint central 8 sur lequel s'articulent deux tiges intérieures 9 de façon à permettre à chaque tige 9 de basculer de 90° autour d'un axe qui s'étend dans l'espace dans une direction normale à l'axe longitudinal du joint 8, pour qu'elle puisse venir occuper les positions représentées sur les figures 3 et 4. Le premier ensemble de tiges comprend en outre une paire de tiges d'extrémité 10 reliéeschacune avec la tige associée 9 par un joint périphérique 11, la liaison entre les joints 11 et chacune des tiges 9 et 10 étant réalisée de façon à permettre à l'ensemble 10, 11 de se plier autour d'un axe de pliage qui s'étend dans l'espace selon une direction normale à celle de l'axe de pliage du joint central 8, de la manière représentée sur les figures 4 à 6, afin d'atteindre la position doublement pliée représentée sur la figure 7. A l'état entièrement déplié operationel du brancard, les joints périphériques 11 sont empêchés de se replier par la toile et le poids de la personne portée.The first set of rods 2 comprises a central joint 8 on which two internal rods 9 are articulated so as to allow each rod 9 to tilt 90 ° around an axis which extends in space in a normal direction to the longitudinal axis of the joint 8, so that it can come to occupy the positions represented in FIGS. 3 and 4. The first set of rods further comprises a pair of end rods 10 each connected with the associated rod 9 by a peripheral seal 11, the connection between the seals 11 and each of the rods 9 and 10 being produced so as to allow the assembly 10, 11 to bend around a folding axis which extends in space according to a direction normal to that of the folding axis of the central joint 8, as shown in FIGS. 4 to 6, in order to reach the double folded position shown in FIG. 7. In the fully unfolded operational state of the stretcher, the peripheral seals 11 are prevented from folding back by the canvas and the weight of the person carried.

Un second ensemble de tiges porteuses 3 comprend un joint central 13, une paire de tiges intérieures 14 articuléessur le joint central 13 de la même manière que les tiges 9 sont articulées sur le joint central 8, et une paire de tiges d'extrémité 15, dont chacune est articulée à la tige associée 14 par un joint périphérique 16 de façon à permettre à l'ensemble 15, 16 de se plier autour d'un axe de pliage qui s'étend dans l'espace selon une direction qui fait avec l'axe de pliage du joint 13 un angle autre que 90°. Par conséquent, chaque tige d'extrémité 15 peut basculer dans un plan qui coupe le plan de l'ossature dépliée. Pour cette raison, les joints 16 sont dotés d'un mécanisme de blocage pour éviter leur affaissement, comme on va le décrire ci-après avec plus de détail.A second set of supporting rods 3 comprises a central joint 13, a pair of internal rods 14 articulated on the central joint 13 in the same way as the rods 9 are articulated on the central joint 8, and a pair of end rods 15, each of which is articulated to the associated rod 14 by a peripheral seal 16 so as to allow the assembly 15, 16 to bend around a folding axis which extends in space in a direction which makes with the folding axis of the joint 13 at an angle other than 90 °. Consequently, each end rod 15 can tilt in a plane which intersects the plane of the unfolded framework. For this reason, the seals 16 are provided with a locking mechanism to prevent their collapse, as will be described below in more detail.

A leurs extrémités, les tiges d'extrémité 10 et 15 portent des poignées 17.At their ends, the end rods 10 and 15 carry handles 17.

On va décrire maintenant le pliage de l'ossature 1.We will now describe the folding of frame 1.

Partant de l'état déplié représenté sur les figures 1 et 2, on fait plier les entretoises pliantes 4 en exerçant une pression sur les pièces de liaison 6 de façon que chaque barre 5 bascule comme l'indiquent les flèches sur la figure 2 et l'ossature atteint l'état représenté sur la figure 3, sur laquelle on voit les deux ensembles de tiges porteuses 2 et 3 disposés l'un à côté de l'autre. A partir de cet état, on fait basculer chacun des ensembles 9, 10, 11 et 14, 15, 16 de 90° autour des pivots par lesquels les tiges intérieures 9 et 14 sont articulées sur les joints centrals 8. Le début de cette phase de pliage est représenté-en traits interrompus sur la figure 3 et la fin de cette phase est représentée en traits continus sur la figure 4. Comme on le voit sur la figure 4, à la fin de cette phase l'ossature se présente sous forme de structure en U, les éléments 5, 6, les entretoises 4 et les pieds 7 étant positionnés à l'intérieur de l'U de la manière représentée.Starting from the unfolded state represented in FIGS. 1 and 2, the folding spacers 4 are made to bend by exerting pressure on the connecting pieces 6 so that each bar 5 rocks as indicated by the arrows in FIG. 2 and l frame reaches the state shown in Figure 3, in which we see the two sets of carrier rods 2 and 3 arranged one next to the other. From this state, each of the assemblies 9, 10, 11 and 14, 15, 16 is tilted 90 ° around the pivots by which the internal rods 9 and 14 are articulated on the central joints 8. The beginning of this phase folding is shown in broken lines in Figure 3 and the end of this phase is shown in solid lines in Figure 4. As seen in Figure 4, at the end of this phase the frame is in the form U-shaped, elements 5, 6, spacers 4 and feet 7 being positioned inside the U as shown.

Il est à noter que, dans la pratique, l'ossature 1 est associée à une toile qui, à l'état déplié de la figure 1, est située au-dessus des entretoises arquées 4 et cela impose que les tiges d'extrémité 10 et 15 doivent être toutes pliées sur la même face de la toile. La toile n'a pas été représentée sur les dessins pour plus de clarté de la représentation.It should be noted that, in practice, the framework 1 is associated with a fabric which, in the unfolded state of FIG. 1, is located above the arched spacers 4 and this requires that the end rods 10 and 15 must all be folded on the same side of the fabric. The canvas has not been shown in the drawings for clarity of the representation.

Comme il ressort clairement des figures 3 et 4, les orientations dans l'espace des pivots et par conséquent de l'axe de pliage des joints centraux 8 et 13, d'une part, et du joint périphérique 11, de l'autre, sont toutes perpendiculaires entre elles alors que l'orientation dans l'espace des pivots et par conséquent de l'axe de pliage du joint périphérique 16 fait avec celui des joints centraux 8 et 13 un angle autre que 90°. Par conséquent, lorsque les tiges d'extrémité 10 et 15 sont pliées une deuxième fois autour des axes de pliage des joints associés 11 et 16, respectivement, elles se déplacent dans des plans différents. Le progrès de cette phase du pliage est représenté sur les figures 4, 5 et 6 et la figure 7 représente le brancard entièrement plié. Sur la figure 4, l'état des tiges d'extrémité 10 et 15 après un premier pliage est représenté en traits interrompus alors que sur les figures 5 et 6 deux des tiges d'extrémité pliantes 10 et 15 sont représentées en traits continus tandis que les deux autres sont représentés en traits interrompus. Il ressort clairement des ces figures que les tiges d'extrémité 10 et 15 basculent dans des plans différents et on voit sur la figure 7 que, en conséquence, à l'état entièrement plié du brancard les deux tiges d'extrémité 15 du second ensemble de tiges porteuses viennent se posér= entre les tiges d'extrémité 10 du premier ensemble.As is clear from FIGS. 3 and 4, the orientations in the space of the pivots and consequently of the axis of folding of the central joints 8 and 13, on the one hand, and of the peripheral joint 11, on the other, are all perpendicular to each other while the orientation in the space of the pivots and consequently of the axis of folding of the peripheral joint 16 makes with that of the central joints 8 and 13 an angle other than 90 °. Therefore, when the end rods 10 and 15 are bent a second time around the bending axes of the associated joints 11 and 16, respectively, they move in different planes. The progress of this folding phase is shown in Figures 4, 5 and 6 and Figure 7 shows the stretcher fully folded. In FIG. 4, the state of the end rods 10 and 15 after a first folding is shown in broken lines while in FIGS. 5 and 6 two of the folding end rods 10 and 15 are shown in solid lines while the other two are shown in broken lines. It is clear from these figures that the end rods 10 and 15 tilt in different planes and it can be seen in FIG. 7 that, consequently, in the fully folded state of the stretcher, the two end rods 15 of the second set load-bearing rods come to rest = between the end rods 10 of the first set.

Sur les figures 8 et 9, on voit, à plus grande échelle, un joint 16 doté d'un moyen de blocage pour empêcher un pliage indésirable des barres 15 et 14 du second ensemble de tiges porteuses 3.In FIGS. 8 and 9, we see, on a larger scale, a seal 16 provided with a locking means for prevent unwanted bending of the bars 15 and 14 of the second set of support rods 3.

Comme on le voit, le joint 16 comprend un dispositif de blocage élastique bombée se composant de deux organes annulaires 19 maintenus par une pièce de liaison 20. Deux plaques 21 sont montées sur la face supérieur du joint 16 et comporte chacun un bord rentrant retenant les portions extrêmes de l'organe annulaire associé 19. A proximité d'une de ces extrémités chaque plaque 21 est rendue solidaire .du joint à l'aide d'un rivet 24.As can be seen, the seal 16 comprises a curved elastic locking device consisting of two annular members 19 held by a connecting piece 20. Two plates 21 are mounted on the upper face of the seal 16 and each has a re-entrant edge retaining the extreme portions of the associated annular member 19. Near one of these ends, each plate 21 is made integral with the joint using a rivet 24.

Chacune des plaques 21 est percée d'un trou 22 qui coopère avec un bossage 23 solidaire de la tige associée 14 ou 15.Each of the plates 21 is pierced with a hole 22 which cooperates with a boss 23 integral with the associated rod 14 or 15.

Lorsque le dispositif de blocage est en position de blocage, celle représentée sur les figures 8 et 9 en traits continus, les bossages 23 sont bloqués par les trous 22 et par conséquent il est impossible de faire basculer les tiges 14 et 15 autour de leur pivot et cela suffit pour empêcher un pliage indésirable des tiges. Lorsqu'on veut plier le brancard, il suffit de débloquer les joints 16 en appuyant sur la pièce de liaison 20 de sorte que les portions extrêmes des organes annulaires 19 et des plaques 21 se soulèvent pour venir occuper la position représentée en traits interrompus sur la figure 8. Dans cette position, les bossages 23 sont débloqués,. ce qui permet de ramener les tiges 14 et 15 librement- à l'état plié. Lorsque le brancard est déplié, les dispositifs de blocage des joints 16 s'encliquètent à l'état de blocage comme le montre les figures 8 et 9.When the locking device is in the locking position, that shown in Figures 8 and 9 in solid lines, the bosses 23 are blocked by the holes 22 and therefore it is impossible to tilt the rods 14 and 15 around their pivot and this is enough to prevent unwanted bending of the rods. When the stretcher is to be folded, it is sufficient to release the seals 16 by pressing on the connecting piece 20 so that the end portions of the annular members 19 and of the plates 21 are raised to occupy the position shown in broken lines on the Figure 8. In this position, the bosses 23 are released ,. which allows to return the rods 14 and 15 freely- in the folded state. When the stretcher is unfolded, the joint locking devices 16 snap into the locked state as shown in FIGS. 8 and 9.

Bien que l'on vienne de décrire l'invention dans son application aux brancards, on conçoit aisément que, en suivant les mêmes enseignements, on peut réaliser d'autres objets portatifs et pliants tel que lit pliant, pont pliant etc.Although we have just described the invention in its application to stretchers, it is easily understood that, by following the same teachings, it is possible to make other portable and folding objects such as folding bed, folding bridge etc.

Claims (5)

1. Ossature pliante, caracterisée en ce qu'elle comprend des premieretsecond ensembles de-tiges porteuses (2, -3) reliés entre eux par des moyens de liaison pliants (4), chacun des premier-et second ensembles (2, 3) comprenant un joint central (8, 13), une paire de tiges intérieures (9, 14) articulées chacune sur un bord du joint central (8, 13) de façon à permettre de plier les tiges intérieures (9, 14) pour les rapprocher l'une de l'autre autour d'un axe de pliage qui s'étend dans l'espace selon une direction normale à l'axe longitudinal dt-un ensemble de tiges porteuses, une paire de tiges d'extrémité (10, 15) reliées chacune à la tige intérieure associée (9, 14) par un joint (11, 16) (joint périphérique) de façon à permettre de les plier autour d'un axe de pliage s'étendant dans l'espace selon une direction qui fait un angle avec l'axe de pliage du joint central; l'axe de pliage du joint périphérique (11) du premier ensemble de tiges porteuses (2), s'étendant dans l'espace essentiellement normalement à l'axe de pliage du joint central (8) alors que l'axe de pliage du second ensemble de tiges porteuses (3) s'étend dans l'espace selon une direction qui fait avec l'axe de pliage du joint central (13) un angle autre que 90°, de sorte que, à l'état plié les tiges d'extrémité (15) du second ensemble (3) viennent se poser entre les tiges d'extrémité (10) du premier ensemble (2).1. Folding frame, characterized in that it comprises first and second sets of carrier rods (2, -3) connected together by folding connecting means (4), each of the first and second sets (2, 3) comprising a central joint (8, 13), a pair of internal rods (9, 14) each articulated on an edge of the central joint (8, 13) so as to allow the internal rods (9, 14) to be bent to bring them together from each other around a folding axis which extends in space in a direction normal to the longitudinal axis dt-a set of supporting rods, a pair of end rods (10, 15 ) each connected to the associated inner rod (9, 14) by a seal (11, 16) (peripheral seal) so as to allow them to be folded around a folding axis extending in space in a direction which makes an angle with the folding axis of the central joint; the bending axis of the peripheral joint (11) of the first set of supporting rods (2), extending in space essentially normally to the bending axis of the central joint (8) while the bending axis of the second set of load-bearing rods (3) extends in space in a direction which makes the axis of folding of the central joint (13) an angle other than 90 °, so that, in the folded state, the rods end (15) of the second set (3) come to rest between the end rods (10) of the first set (2). 2. Objet pliant portatif, caracterisé en ce qu'il comprend une ossature pliante selon la revendication 1.2. Portable folding object, characterized in that it comprises a folding frame according to claim 1. 3. Brancard, caracterisé en ce qu'il comprend une ossature pliante selon la revendication 1.3. Stretcher, characterized in that it comprises a folding frame according to claim 1. 4. Lit pliant caracterisé en ce qu'il comprend une ossature-pliante selon la revendication 1.4. Folding bed characterized in that it comprises a folding frame according to claim 1. 5. Pont pliant caracterisé en ce qu'il comprend une ossature pliante selon la revendication 1.5. Folding bridge characterized in that it comprises a folding frame according to claim 1.
EP86400912A 1985-04-03 1986-04-24 Pliable frame and portable objects provided with such a frame Withdrawn EP0200646A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL8574801A IL74801A (en) 1985-04-03 1985-04-03 Foldable framework and portable objects having such a framework

Publications (2)

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EP0200646A2 true EP0200646A2 (en) 1986-11-05
EP0200646A3 EP0200646A3 (en) 1987-12-16

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EP86400912A Withdrawn EP0200646A3 (en) 1985-04-03 1986-04-24 Pliable frame and portable objects provided with such a frame

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US (1) US4685161A (en)
EP (1) EP0200646A3 (en)
JP (1) JPS61232847A (en)
AU (1) AU5481686A (en)
BR (1) BR8601490A (en)
ES (1) ES293822Y (en)
GR (1) GR861088B (en)
IL (1) IL74801A (en)
NZ (1) NZ215523A (en)
PT (1) PT82462A (en)
ZA (1) ZA862035B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002886A1 (en) * 1985-11-18 1987-05-21 A/S Apotekernes Fa^Ellesindkjo^/P A folding stretcher

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079072A (en) * 1988-09-30 2000-06-27 Philip Furgang Foldable and rigidizable space spanning structure
US5134738A (en) * 1991-02-08 1992-08-04 Peabody Coal Company Stretcher for use in mines
JP2853727B2 (en) 1994-02-22 1999-02-03 日本ビクター株式会社 Reproduction protection method and protection reproduction device
DE19617445B4 (en) * 1996-05-02 2005-07-21 Aerolite Max Bucher Ag Bucket carrier for receiving patients
JP4116699B2 (en) * 1998-07-09 2008-07-09 セフティ株式会社 Folding stretcher
IL148694A (en) * 2002-03-14 2006-09-05 Nehemya Dimentman Compact foldable stretcher
GB2412846A (en) * 2004-03-27 2005-10-12 Susan Raymie Jepson Foldable and collapsible frame for a bunk bed or single bed or other item of furniture
US7725965B2 (en) * 2006-06-02 2010-06-01 Anthony Sanford-Schwentke Portable structure having collapsible frame
US8104124B2 (en) * 2007-05-30 2012-01-31 Drexel University Two-piece lightweight litter system
US8122673B2 (en) * 2007-10-27 2012-02-28 Ellis J Nigel Portable safety skylight replacement assembly
US8127381B2 (en) * 2008-12-10 2012-03-06 Speer Operational Technologies, LLC Collapsible litter apparatus, system and method
WO2010131247A1 (en) * 2009-05-12 2010-11-18 Telestretch Ltd Foldable lightweight stretcher
US20100299837A1 (en) * 2009-05-27 2010-12-02 Conax Florida Corporation Vacuum packed inflatable stretcher with frangible overwrap and method of deploying same
US20110176859A1 (en) * 2010-01-20 2011-07-21 Shao-Hua Chu Speedy Pivoting-and-Fixing Device for Foldable Structure
US8474077B2 (en) * 2010-06-11 2013-07-02 Joshua Grinberg Weight-stabilizing stretcher
US20120066836A1 (en) * 2010-09-21 2012-03-22 Olav Kaarstein Foldable stretcher and system for transporting a patient on said stretcher
IN2015MN00026A (en) * 2012-06-21 2015-10-16 Telestretch Ltd
CN103126813B (en) * 2013-02-05 2015-07-22 孙鸿涛 Medical stretcher suitable for outdoor medical rescue
US9675182B2 (en) * 2013-08-05 2017-06-13 Artsana Usa, Inc. Bi-axially collapsible frame for a bassinet
CN103961225B (en) * 2014-04-21 2017-01-11 江苏赛康医疗设备有限公司 Folding medical stretcher
US10149548B2 (en) * 2016-01-13 2018-12-11 Alexander L. Ray Portable bed

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536906A (en) *
US2335140A (en) * 1942-03-07 1943-11-23 Harold W Bell Folding stretcher
US2378809A (en) * 1943-03-26 1945-06-19 Zimmer Thomson Corp Folding litter
US2650373A (en) * 1951-06-21 1953-09-01 Theodore J Zeller Folding stretcher
DE1207948B (en) * 1962-07-14 1965-12-30 Maschf Augsburg Nuernberg Ag Dismountable bridge, especially a moat bridge
US3417412A (en) * 1967-04-11 1968-12-24 Navy Usa Folding stretcher
EP0046273A1 (en) * 1980-08-16 1982-02-24 Walter Köhne Support consisting of pipe elements, section-form types and connectors serving as a frame-work for tables, couches, chairs, stretchers or the like

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US926438A (en) * 1908-08-14 1909-06-29 Joseph Ranko Folding bed.
US1129089A (en) * 1914-08-21 1915-02-23 Alexander Hajas Stretcher.
US3555578A (en) * 1968-09-09 1971-01-19 Benjamin D Pile Lightweight folding litter
US3886606A (en) * 1973-05-29 1975-06-03 John Guythar Bradford Foldable casualty carrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE536906A (en) *
US2335140A (en) * 1942-03-07 1943-11-23 Harold W Bell Folding stretcher
US2378809A (en) * 1943-03-26 1945-06-19 Zimmer Thomson Corp Folding litter
US2650373A (en) * 1951-06-21 1953-09-01 Theodore J Zeller Folding stretcher
DE1207948B (en) * 1962-07-14 1965-12-30 Maschf Augsburg Nuernberg Ag Dismountable bridge, especially a moat bridge
US3417412A (en) * 1967-04-11 1968-12-24 Navy Usa Folding stretcher
EP0046273A1 (en) * 1980-08-16 1982-02-24 Walter Köhne Support consisting of pipe elements, section-form types and connectors serving as a frame-work for tables, couches, chairs, stretchers or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002886A1 (en) * 1985-11-18 1987-05-21 A/S Apotekernes Fa^Ellesindkjo^/P A folding stretcher

Also Published As

Publication number Publication date
US4685161A (en) 1987-08-11
IL74801A (en) 1989-06-30
PT82462A (en) 1986-11-05
ES293822Y (en) 1987-05-16
BR8601490A (en) 1986-12-09
ZA862035B (en) 1986-11-26
ES293822U (en) 1986-08-16
JPS61232847A (en) 1986-10-17
AU5481686A (en) 1986-10-09
NZ215523A (en) 1987-04-30
IL74801A0 (en) 1985-07-31
EP0200646A3 (en) 1987-12-16
GR861088B (en) 1986-08-11

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