EP2695591B1 - Hospital bed with easy installation and method for installing such a bed - Google Patents

Hospital bed with easy installation and method for installing such a bed Download PDF

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Publication number
EP2695591B1
EP2695591B1 EP13179747.4A EP13179747A EP2695591B1 EP 2695591 B1 EP2695591 B1 EP 2695591B1 EP 13179747 A EP13179747 A EP 13179747A EP 2695591 B1 EP2695591 B1 EP 2695591B1
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EP
European Patent Office
Prior art keywords
bed
deck
frame
front part
bar
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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.)
Active
Application number
EP13179747.4A
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German (de)
French (fr)
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EP2695591A1 (en
Inventor
David Le Roux
Franck Rambaud
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Medicatlantic SA
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Medicatlantic SA
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Publication date
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Publication of EP2695591A1 publication Critical patent/EP2695591A1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • 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

Definitions

  • the invention relates to the field of medical furniture and more particularly to the field of hospital beds.
  • Medical beds are mainly used in medical centers and personal support centers such as hospitals, clinics and retirement homes. These beds are also used by inpatients at home and are rented and installed at home to provide comfort and ease of care to the patient.
  • folding beds is widespread and explained in the patent FR 2966708 , on behalf of the Applicant and has advantages in storage and moving beds when not in use. Indeed, when they are not used, the beds are disassembled and either stored or moved to be installed for a new patient.
  • the bed is composed of three sub-sets, the mattress is not considered as a subset of the bed.
  • a first subassembly comprises the frame provided with wheels for its movement and the lifting system of the bed tray.
  • a second subassembly comprises the rear portion of the bed tray, namely a bed frame, a mattress supporting bed and a mechanism for tilting the bed frame.
  • the third subassembly comprises the front portion of the bed tray, namely, a bed frame, a bed frame supporting the mattress and a mechanism for tilting the bed frame.
  • a first object is to make the steps of mounting and disassembling the bed ergonomic.
  • a second object is to accompany the handling of the bed parts during assembly and disassembly of the bed by one person.
  • a third object is to reduce the time required to assemble and dismantle the bed.
  • a fourth object is to make reliable the assembly and disassembly of the bed.
  • the notch forms a translational stop of the mounting finger along the Y axis.
  • the notch provides rotational guidance of the front part of the bed base around the axis of revolution of the mounting finger.
  • the slide has in its lower part an opening for the insertion of the pin.
  • the slide comprises a stop capable of blocking the bearing when the front part of the bed base is substantially parallel to the frame.
  • the distance between a periphery of the pin, located opposite the opening in the slide, and a stop of the slide is less than a distance between the notch and a free edge of the arm.
  • the mounting of the front part of the bed is achieved by the positioning of the tabs in the milling of the tubes of the cross bar.
  • Supporting and indexing surfaces make it possible to block the front part of the bed base when it is in an inclined position relative to the frame.
  • the bearing surfaces and indexing are able to receive and index, in vertical position relative to the frame, the front and rear portions of the bed base when the bed is disassembled.
  • the frame 2 is composed of a first frame 8 comprising rollers 9, on which is pivotally mounted a second frame 10 which comprises at its free end at least one wheel 9.
  • the second frame 10 is thus movable between a raised position in which it is substantially perpendicular to the first frame 8 of the frame 2 and a functional position in which it is parallel to the first frame 8 of the frame 2.
  • the second frame 10 could be of triangular shape or any other geometric shape however it is preferred an embodiment substantially in U shape for reasons of mechanical strength.
  • the spider 3 comprises a front bar 11 and a rear bar 12 articulated mutually relative to each other.
  • the bars 11, 12 are made, substantially H-shaped, by assembling facing longitudinal tubes 13 interconnected by a cross member 14 and the bar 11 before is, by its lower end fixed in rotation to the first frame 8 of the frame 2 while the rear bar 12 is slidably mounted, at its lower end, on a slide 15 secured to the second frame 10.
  • the bars 11, 12 could be in the form of a single beam arranged axially with respect to the frame 8, 10 and the fixed and movable ends of these bars 11, 12 of brace 3 could be reversed.
  • the spider 3, thus formed is set in motion by means of an electric jack 5 connected to the bar 11 before on the one hand and the second frame 10 on the other hand, but it could be operated by a pneumatic jack or a rack system for example and the connection points could be between the first frame 8 of the frame 2 and the rear bar 12 of the spider 3.
  • the rear portion 7 of the bed 4 has tabs 16 for attachment to the rear bar 12 of the spider 3.
  • These lugs 16 are cylindrical in shape such that they allow a rotational movement of the rear portion 7 of the bed base 4 around of their axis of revolution, parallel to the axis X.
  • the longitudinal tubes 13 of the rear cross bar 12 3 are provided at their upper ends with a substantially U-shaped milling 17 having a rounded lower portion adapted to cooperate with the cylindrical profile of the tabs 16. Pins 18 are used to trap the lugs 16 in the milling 17 thus leaving the rotation around the X axis as the only possible movement for the rear portion 7 of the bed base 4 with respect to the rear bar 12 brace 3.
  • the arms 19 are fixed at the upper end of the longitudinal tubes 13 of the front bar 11 of the spider 3 adapted to cooperate with the mounting fingers 20 described below. These arms 19 are provided with a notch 21 and a secondary bearing surface 22 located between the notch 21 and a free edge 23 of the arm 19.
  • the notch 21 serves to form a stop in translation, according to the Y axis of the mounting finger 20 , and to guide the mounting finger 20 about its axis of revolution.
  • the arms 19 are in the form of a plate, that is to say that their thickness is small, and are welded to the longitudinal tubes 13 , however, they could have a large thickness and be nested or fixed by means of fasteners such as screws and nuts.
  • the notches 21 are, in turn, substantially rounded in order to cooperate with the mounting fingers 20 but they could be in the form of a shoulder. It is the same for the secondary bearing surface 22 which, according to one embodiment, is rounded but which could also be in the form of a substantially flat portion.
  • the longitudinal tubes 13 of the front bar 11 of the spider 3 also comprise, at their upper ends, pins 24 cooperating with the slides 25 of the front portion 6 of the bed frame 4, described below.
  • the pins 24 comprise an annular bearing whose periphery is in contact with the slideways, however it could be pads or rails performing the same function of translation.
  • the slides 25 are made in a U-shape comprising a flat base and two uprights in perpendicular to the base, and are oriented towards the inside of the bed base 4 so that the pins 24 can translate along the rails 25.
  • the front portion 6 of the bed frame 4 could comprise only one slide 25 in the central portion of the bed in which case, a single pin 24 will translate in the slideway 25.
  • the slides 25 comprise an opening 26 through which the pin 24 is inserted into it. This opening 26 is made on a vertical portion of the slide having the lower bearing surface 27 of the pin 24.
  • the slideways 25 also comprise a stop 28 limiting the stroke of the front portion 6 of the bed 4 towards the outside of the bed 1 in the direction of the Y axis when the front portion 6 is in a position substantially parallel to the frame 2.
  • the abutment 28 is in the form of a plate fixed at the end of the slide 25 in a perpendicular manner, both at the base of the U and at its uprights.
  • Part 6 before the bed base 4 also comprises fingers 20 assembly used to facilitate the assembly phase and disassembly bed 1.
  • These fingers 20 are substantially cylindrical in shape and are placed so that their axis of revolution is parallel to the plane defined by the bed base 4 and that they are perpendicular to the arms 19 of the bar 11 before.
  • the mounting fingers 20 are welded to the frame 4 towards the inside thereof, however, it could be screwed elements or a rod passing through the bed base 4.
  • the distance d1 between a periphery of the pin 24, located opposite the opening 26 in the slideway 25, and the stop 28 is less than one.
  • the frame 2 further comprises bearing surfaces 29 and indexing materialized by the addition of a plastic part.
  • these parts may be made of Polyoxymethylene (POM) or Acrylonitrile Butadiene Styrene (ABS).
  • These parts consist of a flat 30 of rectangular shape having, on its lower-dimension edges, a projecting face 31 .
  • the plate 30 is provided on its upper surface with patterns giving it an anti-slip character.
  • bearing and indexing surfaces 29 could be made directly on the frame 2 by means of patterns conferring a good roughness allowing the elements to be supported and not to slide or by extrusions or contrary to the withdrawal of matter in the building 2.
  • Fastening means 32 such as screws, are attached by a flexible strap 33 to the rear portion 7 of the bed base 4 and to secure together the front portion 6 and the rear portion 7 of the bed base 4.
  • the flexible straps 33 allow to reduce the losses of parts but also to facilitate and increase the speed of use of the parts.
  • These means 32 for securing may also be in the form of pins or any element that can make a removable assembly between two parts.
  • the entire structure of the bed 1, namely the frame 2, the spider 3 and the two parts 6, 7 of the bed base is made of metal materials and more precisely steel.
  • the structure may be made of aluminum or composite materials such as a polymer reinforced with glass fibers or carbon or any other material with good mechanical strength characteristics.
  • the mounting of the bed 1 by an operator comprises several steps.
  • the bed 1 When the bed 1 is stored, it is removed and all the elements of the bed are gathered together vertically so that when moved all the elements of the bed 1 are moved, thus limiting the loss of parts.
  • the first step 100 for the operator is, in a first step, to separate different subsets, namely the frame 2 and the two parts 6, 7 of the bed.
  • a second step the operator unfolds the second frame 10 of the frame 2 from its folded position to its operative position.
  • the second step 200 consists in connecting the bed 1 to the electrical network. Once the bed 1 connected, the electrical controls are active which allows the operator to manipulate the spider 3 to place the latter in the maximum high position.
  • the operator places the rear portion 7 of the bed 4 so that the lugs 16 cooperate with the milling 17 made in the longitudinal tubes 13 of the rear bar 12 of the cross 3. Finally, fixed operator of the pins 18 at the end of the longitudinal tubes 13 thus ensuring the imprisonment of the legs 16 of the rear portion 7 of the bed 4 in the milling 17 thereof.
  • step 400 consists of placing the front portion 6 of the bed base 4 so that it bears on the support and indexing surfaces 29 on the frame 10 and the fingers 20 mounting cooperate with the notch 21 of the arms.
  • the operator places the front portion 6 of the bed base 4 in a position substantially parallel to the frame 2 so that the mounting fingers 20 cooperate with the secondary support surface 22 of the arm 19 and that the pins 24 of the crossbar 11 of the spider 3 cooperate with the slideways 25 of the front portion 6 of the frame 4.
  • the operator articulates the part 6 before the bed base 4 around the axes of revolution of the mounting fingers 20 .
  • the pins 24 of the front bar 11 are thus inserted into the slide 25 through the opening 26 of which the latter is equipped.
  • the operator blocks the front portion 6 of the bed 4 in the position substantially parallel to the frame 2.
  • the front portion 6 of the bed 4 is maintained in this position under the action of two opposing forces along the Z axis.
  • a first force is negatively applied by the mounting fingers 20 on the secondary bearing surfaces 22 of the arms 19 of the front bar 11 and a second positive force, opposite, is applied by the pin 24 on the slide 25 and more particularly by the outer periphery of the annular bearing of the pin 24 on the lower face 27 of the slide 25.
  • the pin 24 is also in contact with the stop 28 of the slide 25 .
  • the operator engages the front parts 6 and 7 back of the bed 4. This action is intended to disengage the finger assembly 20 of the secondary surface 22 of the support arm 19. The two parts 6, 7 then being completely parallel to the frame 2.
  • the last step 700 allows the operator to secure the parts 6 and 7 before the rear of the bed 4 with the means 32 for securing reported on the rear portion 7 of the bed 4. This action thereby obtaining a block in a mattress 4 single piece.
  • the mounting fingers 20 being disengaged from the arms 19, the pin 24 can freely translate in the slide 25 thus making it possible to adjust the height of the bed base 4.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Description

L'invention a trait au domaine du mobilier médical et plus particulièrement au domaine des lits médicalisés.The invention relates to the field of medical furniture and more particularly to the field of hospital beds.

Les lits médicalisés sont principalement utilisés dans les centres médicaux et les centres d'accompagnement de la personne tels que, par exemple les hôpitaux, les cliniques ou encore les maisons de retraite. Ces lits sont également utilisés par des patients hospitalisés à domicile et sont loués et installés chez les particuliers pour offrir un confort et facilité de soins au patient.Medical beds are mainly used in medical centers and personal support centers such as hospitals, clinics and retirement homes. These beds are also used by inpatients at home and are rented and installed at home to provide comfort and ease of care to the patient.

L'utilisation de lits médicalisés pliants est répandue et expliquée dans le brevet FR 2966708 , au nom de la demanderesse et présente des avantages quant au rangement et au déplacement des lits lorsqu'ils ne sont pas utilisés. En effet, lorsqu'ils ne sont pas utilisés, les lits sont démontés et soit stockés soit déplacés pour êtres installés pour un nouveau patient.The use of folding beds is widespread and explained in the patent FR 2966708 , on behalf of the Applicant and has advantages in storage and moving beds when not in use. Indeed, when they are not used, the beds are disassembled and either stored or moved to be installed for a new patient.

Pour ce faire, le lit est composé de trois sous ensembles, le matelas n'étant pas considéré comme un sous ensemble du lit. Un premier sous ensemble comprend le bâti muni de roulettes permettant son déplacement et le système de levage du plateau de lit. Un deuxième sous ensemble comprend la partie arrière du plateau de lit, à savoir un cadre de sommier, un sommier supportant le matelas et un mécanisme permettant d'incliner le sommier. Enfin, le troisième sous ensemble comprend la partie avant du plateau de lit, à savoir, un cadre de sommier, un sommier supportant le matelas et un mécanisme permettant d'incliner le sommier.To do this, the bed is composed of three sub-sets, the mattress is not considered as a subset of the bed. A first subassembly comprises the frame provided with wheels for its movement and the lifting system of the bed tray. A second subassembly comprises the rear portion of the bed tray, namely a bed frame, a mattress supporting bed and a mechanism for tilting the bed frame. Finally, the third subassembly comprises the front portion of the bed tray, namely, a bed frame, a bed frame supporting the mattress and a mechanism for tilting the bed frame.

Ces lits donnent satisfaction. Ils suscitent toutefois quelques désagréments qui les rendent perfectibles. D'une part, de nombreuses pièces sont détachées lors du montage ou du démontage du lit ce qui peut être source de dégradation ou de perte de ces pièces. D'autre part, même si il est possible pour une personne seule de monter ou démonter le lit, il est difficile de retenir les différentes parties, lorsqu'elles elles sont désolidarisées et qu'elles tombent sous l'action de leur poids.These beds are satisfactory. They do, however, cause some inconvenience that makes them perfectible. On the one hand, many parts are detached during assembly or disassembly of the bed which can be a source of degradation or loss of these parts. On the other hand, even if it is possible for a single person to assemble or dismount the bed, it is difficult to hold the different parts, when they are detached and they fall under the action of their weight.

Aussi le besoin se fait ressentir de faciliter le montage et le démontage du lit par une seule personne en fournissant un accompagnement dans le maniement des différentes pièces du lit. Egalement, il est nécessaire de réduire le nombre de pièces pouvant être séparées du lit, telles que les vis, écrous ou encore goupilles.Also the need is felt to facilitate the assembly and disassembly of the bed by a single person providing guidance in the handling of different parts of the bed. Also, it is necessary to reduce the number of parts that can be separated from the bed, such as screws, nuts or pins.

Un premier objet est de rendre les étapes de montage et de démontage du lit ergonomiques.A first object is to make the steps of mounting and disassembling the bed ergonomic.

Un deuxième objet est d'accompagner le maniement des pièces du lit lors du montage et du démontage du lit par une seule personne.A second object is to accompany the handling of the bed parts during assembly and disassembly of the bed by one person.

Un troisième objet est de diminuer le temps nécessaire au montage et au démontage du lit.A third object is to reduce the time required to assemble and dismantle the bed.

Un quatrième objet est de fiabiliser les opérations de montage et de démontage du lit.A fourth object is to make reliable the assembly and disassembly of the bed.

A cet effet, selon un premier aspect, il est proposé un lit médicalisé comprenant

  • un bâti ;
  • un sommier séparé en deux parties, à savoir une partie arrière et une partie avant munie d'au moins une glissière ;
  • un dispositif de réglage de la hauteur du sommier par rapport au bâti qui comprend un croisillon déformable muni d'une barre avant et d'une barre arrière mutuellement articulées ;
  • des surfaces d'appui et d'indexation aptes à coopérer avec la partie arrière et la partie avant du sommier ;
  • des pions fixés en partie supérieure de la barre avant, aptes à coopérer avec la glissière de la partie avant du sommier,
la partie avant du sommier comportant au moins un doigt de montage et la barre avant comprenant à ses extrémités supérieures un bras muni d'une encoche et d'une surface secondaire d'appui aptes à coopérer avec le doigt de montage du cadre de sommier.For this purpose, according to a first aspect, there is provided a medical bed comprising
  • a building;
  • a separate bed base in two parts, namely a rear portion and a front portion provided with at least one slide;
  • a device for adjusting the height of the bed base relative to the frame which comprises a deformable crosspiece provided with a front bar and a mutually articulated rear bar;
  • bearing and indexing surfaces able to cooperate with the rear part and the front part of the bed base;
  • pawns fixed in the upper part of the front bar, able to cooperate with the slide of the front part of the bed base,
the front part of the bed base comprising at least one mounting finger and the front bar comprising at its upper ends an arm provided with a notch and a secondary bearing surface adapted to cooperate with the mounting finger of the bed frame.

L'utilisation des bras et des doigts de montage permet de positionner certains éléments du lit pour en manipuler d'autres de manière aisée et ergonomique.The use of the arms and the mounting fingers makes it possible to position certain elements of the bed to manipulate others in an easy and ergonomic manner.

Selon un deuxième aspect, il est proposé un procédé de montage d'un lit médicalisé qui comprend :

  • une étape consistant à détacher les parties avant et arrière du sommier et placer le deuxième cadre du bâti en position fonctionnelle ;
  • une étape consistant à raccorder le lit au réseau électrique et lever le croisillon jusqu'à sa position maximale ;
  • une étape consistant à positionner les pattes de la partie arrière du sommier dans les fraisages des tubes de la barre arrière du croisillon puis à fixer les goupilles aux extrémités des tubes ;
  • une étape consistant à poser la partie avant du sommier de manière à ce qu'elle soit en appui sur les surfaces d'appui et d'indexation et que les doigts de montage coopèrent avec l'encoche du bras ;
  • une étape consistant à placer la partie avant du sommier dans une position sensiblement parallèle au bâti de telle sorte que les doigts de montage coopèrent avec la surface secondaire d'appui du bras et que les pions de la barre de pied du croisillon coopèrent avec les glissières de la partie avant du sommier ;
  • une étape consistant à emboiter les parties avant et arrière du sommier ;
  • une étape consistant à solidariser les parties avant et arrière du sommier.
According to a second aspect, there is provided a method of mounting a hospital bed which comprises:
  • a step of detaching the front and back portions of the bed base and placing the second frame of the frame in operative position;
  • a step of connecting the bed to the power grid and lift the spider to its maximum position;
  • a step of positioning the legs of the rear portion of the bed base in the milling of the tubes of the rear bar of the cross and then to fix the pins at the ends of the tubes;
  • a step of placing the front portion of the bed base so that it is supported on the bearing surfaces and indexing and that the mounting fingers cooperate with the notch of the arm;
  • a step of placing the front part of the bed frame in a position substantially parallel to the frame so that the mounting fingers cooperate with the secondary bearing surface of the arm and the pins of the crossbar foot bar cooperate with the slides the front part of the bed base;
  • a step of napping the front and rear portions of the bed base;
  • a step of joining the front and rear portions of the bed base.

Diverses caractéristiques supplémentaires peuvent être prévues, seules ou en combinaison :Various additional features may be provided, alone or in combination:

L'encoche forme une butée de translation du doigt de montage suivant l'axe Y.The notch forms a translational stop of the mounting finger along the Y axis.

L'encoche assure un guidage en rotation de la partie avant du sommier autour de l'axe de révolution du doigt de montage.The notch provides rotational guidance of the front part of the bed base around the axis of revolution of the mounting finger.

La glissière comporte dans sa partie inférieure une ouverture permettant l'insertion du pion.The slide has in its lower part an opening for the insertion of the pin.

La glissière comprend une butée apte à bloquer le roulement lorsque la partie avant du sommier est sensiblement parallèle au bâti.The slide comprises a stop capable of blocking the bearing when the front part of the bed base is substantially parallel to the frame.

La distance entre une périphérie du pion, situé en regard de l'ouverture dans la glissière, et une butée de la glissière est inférieure à une distance entre l'encoche et un bord libre du bras.The distance between a periphery of the pin, located opposite the opening in the slide, and a stop of the slide is less than a distance between the notch and a free edge of the arm.

Le montage de la partie avant du sommier est réalisé par le positionnement des pattes dans les fraisages des tubes de la barre du croisillon.The mounting of the front part of the bed is achieved by the positioning of the tabs in the milling of the tubes of the cross bar.

Des surfaces d'appui et d'indexation permettent de bloquer la partie avant du sommier lorsqu'elle est en position inclinée par rapport au bâti.Supporting and indexing surfaces make it possible to block the front part of the bed base when it is in an inclined position relative to the frame.

Les surfaces d'appui et d'indexation sont aptes à recevoir et à indexer, en position verticale par rapport au bâti, les parties avant et arrière du sommier lorsque le lit est démonté.The bearing surfaces and indexing are able to receive and index, in vertical position relative to the frame, the front and rear portions of the bed base when the bed is disassembled.

D'autres objets et avantages de l'invention apparaîtront à la lumière de la description d'un mode de réalisation, faite ci-après en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective du lit démonté ;
  • la figure 2 est une vue en perspective du lit montrant le bâti et le croisillon dans en position haute, cette figure comprenant, en encart, un premier détail du bras de la barre avant et un deuxième détail d'un élément d'appui et d'indexation ;
  • la figure 3 est une vue en coupe de côté du lit dans une position similaire à celle de la figure 2 dans laquelle la partie arrière du sommier est fixée sur la barre arrière du croisillon, cette figure comprenant, en encart, un détail du moyen de fixation de la partie arrière sur la barre arrière du croisillon ;
  • la figure 4 est une vue similaire à celle de la figure 3 dans laquelle la partie avant du sommier est en appui sur le bras de la barre avant du croisillon, cette figure comprenant, en encart, un détail de la coopération du doigt de montage avec l'encoche du bras de la barre avant du croisillon ;
  • la figure 5 est une vue similaire à celle de la figure 4 dans laquelle la partie avant du sommier se trouve dans une première position intermédiaire, cette figure comprenant, en encart, un détail montrant le pion entrant dans la glissière par l'ouverture pratiquée dans celle-ci ;
  • la figure 6 est une vue similaire à celle de la figure 5 dans laquelle la partie avant du sommier est dans une seconde position intermédiaire, cette figure comprenant, en encart, un détail de du pion en contact avec la partie supérieure de la glissière ;
  • la figure 7 est une vue similaire à celle de la figure 6 dans laquelle la partie avant du sommier est en équilibre dans une position sensiblement parallèle au bâti et la partie arrière du sommier est basculée de manière à venir s'emboiter avec la partie avant du sommier, cette figure comprenant, en encart, un détail de la coopération entre le doigt de montage et la surface secondaire d'appui du bras d'une part, et, entre le pion et la glissière d'autre part ;
  • la figure 8 est une vue similaire à celle de la figure 7 dans laquelle les parties avant et arrière du sommier sont emboitées, cette figure comprenant, en encart, un détail de la coopération entre le pion et la glissière d'une part et le désengagement du doigt d'assemblage avec le bras d'autre part ;
  • la figure 9 est un diagramme montrant les différentes étapes du processus de montage du lit.
Other objects and advantages of the invention will become apparent in the light of the description of an embodiment, given hereinafter with reference to the accompanying drawings, in which:
  • the figure 1 is a perspective view of the disassembled bed;
  • the figure 2 is a perspective view of the bed showing the frame and the spider in the up position, this figure comprising, in a box, a first detail of the arm of the front bar and a second detail of a support element and indexing;
  • the figure 3 is a side sectional view of the bed in a position similar to that of the figure 2 wherein the rear portion of the bed is fixed to the rear bar of the spider, this figure comprising, in a box, a detail of the fastening means of the rear portion on the rear bar of the spider;
  • the figure 4 is a view similar to that of the figure 3 wherein the front portion of the bed is supported on the arm of the front bar of the spider, this figure comprising, in a box, a detail of the cooperation of the mounting finger with the notch of the arm of the front bar of the spider;
  • the figure 5 is a view similar to that of the figure 4 wherein the front portion of the bed base is in a first intermediate position, this figure comprising, in a box, a detail showing the pin entering the slide through the opening formed therein;
  • the figure 6 is a view similar to that of the figure 5 in which the front part of the bed base is in a second intermediate position, this figure comprising, in a box, a detail of the pin in contact with the upper part of the slideway;
  • the figure 7 is a view similar to that of the figure 6 wherein the front portion of the bed frame is in equilibrium in a position substantially parallel to the frame and the rear portion of the bed base is tilted so as to engage with the front portion of the bed base, this figure comprising, in a box, a detail of the cooperation between the mounting finger and the secondary surface arm support on the one hand, and between the pawn and the slide on the other hand;
  • the figure 8 is a view similar to that of the figure 7 wherein the front and rear portions of the bed base are nested, this figure comprising, in a box, a detail of the cooperation between the pin and the slide on the one hand and the disengagement of the assembly finger with the arm on the other hand;
  • the figure 9 is a diagram showing the different steps of the bed assembly process.

On définit par rapport au lit un repère orthogonal XYZ comprenant trois axes perpendiculaires deux à deux, à savoir :

  • un axe X, définissant une direction transversale, horizontale, confondue avec le sens général transversal du lit,
  • un axe Y, définissant une direction longitudinale, horizontale, qui avec l'axe X définit un plan XY horizontal,
  • un axe Z, définissant une direction verticale, perpendiculaire au plan XY horizontal.
An orthogonal reference XYZ is defined relative to the bed and comprises three axes perpendicular two to two, namely:
  • an axis X, defining a transverse direction, horizontal, confused with the transverse general direction of the bed,
  • a Y axis, defining a longitudinal, horizontal direction which with the X axis defines a horizontal XY plane,
  • a Z axis, defining a vertical direction, perpendicular to the horizontal XY plane.

Sur la figure 1 est représenté un lit 1 médicalisé démonté, c'est-à-dire dans l'état dans lequel il est lorsqu'il est stocké ou déplacé lorsqu'il n'est pas occupé par un patient. Le lit 1 comporte trois principales parties. La première partie comprend le bâti 2, le croisillon 3 permettant le réglage en hauteur du sommier 4 et le mécanisme 5 assurant la mise en mouvement du croisillon 3 par rapport au bâti 2. La deuxième partie comprend la partie 6 avant du sommier 4 et la troisième partie comprend, quant à elle, la partie 7 arrière du sommier 4. On the figure 1 shows a hospital bed 1 disassembled, that is to say, in the state in which it is moved when it is stored or when it is not occupied by a patient. Bed 1 has three main parts. The first part comprises the frame 2, the spider 3 for adjusting the height of the bed base 4 and the mechanism 5 ensuring the movement of the spider 3 relative to the frame 2. The second part comprises the front portion 6 of the bed frame 4 and the third part comprises, in turn, the rear part 7 of the bed base 4.

Le bâti 2 est composé d'un premier cadre 8 comportant des roulettes 9, sur lequel est monté pivotant un deuxième cadre 10 qui comprend à son extrémité libre au moins une roulette 9. Le deuxième cadre 10 est ainsi mobile entre une position relevée dans laquelle il est sensiblement perpendiculaire au premier cadre 8 du bâti 2 et une position fonctionnelle dans laquelle il est parallèle au premier cadre 8 du bâti 2. Le deuxième cadre 10 pourrait être de forme triangulaire ou toute autre forme géométrique cependant il est préféré une réalisation sensiblement en forme de U pour des raisons de tenue mécanique.The frame 2 is composed of a first frame 8 comprising rollers 9, on which is pivotally mounted a second frame 10 which comprises at its free end at least one wheel 9. The second frame 10 is thus movable between a raised position in which it is substantially perpendicular to the first frame 8 of the frame 2 and a functional position in which it is parallel to the first frame 8 of the frame 2. The second frame 10 could be of triangular shape or any other geometric shape however it is preferred an embodiment substantially in U shape for reasons of mechanical strength.

Le croisillon 3 comprend une barre 11 avant et une barre 12 arrière articulées mutuellement l'une par rapport à l'autre. Selon un mode de réalisation, les barres 11, 12 sont réalisés, sensiblement en forme de H, par assemblage de tubes 13 longitudinaux en regard reliés entre eux par une traverse 14 et la barre 11 avant est, par son extrémité inférieure fixée en rotation au premier cadre 8 du bâti 2 tandis que la barre 12 arrière est montée glissante, à son extrémité inférieure, sur une glissière 15 solidaire du deuxième cadre 10. Cependant, les barres 11, 12 pourraient se présenter sous la forme d'une poutre unique disposée axialement par rapport au cadre 8, 10 et les extrémités fixes et mobiles de ces barres 11, 12 de croisillon 3 pourraient être inversées. De même, le croisillon 3, ainsi formé est mis en mouvement au moyen d'un vérin 5 électrique raccordé à la barre 11 avant d'une part et au deuxième cadre 10 d'autre part, mais il pourrait être manoeuvré par un vérin pneumatique ou un système de crémaillère par exemple et les points de raccordement pourraient être entre le premier cadre 8 du bâti 2 et la barre 12 arrière du croisillon 3. The spider 3 comprises a front bar 11 and a rear bar 12 articulated mutually relative to each other. According to one embodiment, the bars 11, 12 are made, substantially H-shaped, by assembling facing longitudinal tubes 13 interconnected by a cross member 14 and the bar 11 before is, by its lower end fixed in rotation to the first frame 8 of the frame 2 while the rear bar 12 is slidably mounted, at its lower end, on a slide 15 secured to the second frame 10. However, the bars 11, 12 could be in the form of a single beam arranged axially with respect to the frame 8, 10 and the fixed and movable ends of these bars 11, 12 of brace 3 could be reversed. Similarly, the spider 3, thus formed is set in motion by means of an electric jack 5 connected to the bar 11 before on the one hand and the second frame 10 on the other hand, but it could be operated by a pneumatic jack or a rack system for example and the connection points could be between the first frame 8 of the frame 2 and the rear bar 12 of the spider 3.

La partie 7 arrière du sommier 4 comporte des pattes 16 permettant sa fixation à la barre 12 arrière de croisillon 3. Ces pattes 16 sont de forme cylindrique de telle sorte qu'elles autorisent un mouvement de rotation de la partie 7 arrière du sommier 4 autour de leur axe de révolution, parallèle à l'axe X. Les tubes 13 longitudinaux de la barre 12 arrière de croisillon 3 sont pourvus à leurs extrémités supérieures d'un fraisage 17 sensiblement en forme de U comportant une partie inférieure arrondie apte à coopérer avec le profil cylindrique des pattes 16. Des goupilles 18 sont utilisées pour emprisonner les pattes 16 dans les fraisages 17 laissant ainsi la rotation autour de l'axe X comme seul mouvement possible pour la partie 7 arrière du sommier 4 par rapport à la barre 12 arrière du croisillon 3. The rear portion 7 of the bed 4 has tabs 16 for attachment to the rear bar 12 of the spider 3. These lugs 16 are cylindrical in shape such that they allow a rotational movement of the rear portion 7 of the bed base 4 around of their axis of revolution, parallel to the axis X. The longitudinal tubes 13 of the rear cross bar 12 3 are provided at their upper ends with a substantially U-shaped milling 17 having a rounded lower portion adapted to cooperate with the cylindrical profile of the tabs 16. Pins 18 are used to trap the lugs 16 in the milling 17 thus leaving the rotation around the X axis as the only possible movement for the rear portion 7 of the bed base 4 with respect to the rear bar 12 brace 3.

A l'extrémité supérieure des tubes 13 longitudinaux de la barre 11 avant de croisillon 3 sont fixés des bras 19 aptes à coopérer avec les doigts 20 de montage décrits ci-après. Ces bras 19 sont munis d'une encoche 21 et d'une surface 22 secondaire d'appui située entre l'encoche 21 et un bord 23 libre du bras 19. L'encoche 21 a pour fonction de former une butée en translation, selon l'axe Y du doigt 20 de montage, et de guider en rotation le doigt 20 de montage autour de son axe de révolution. Selon un mode de réalisation, les bras 19 sont sous forme d'un plat, c'est-à-dire que leur épaisseur est faible, et sont soudés aux tubes 13 longitudinaux cependant, ils pourraient comporter une épaisseur importante et être emboités ou fixés au moyen d'éléments de visserie tels que vis et écrous. Les encoches 21 sont, quant à elles, de forme sensiblement arrondie afin de coopérer avec les doigts 20 de montage mais elles pourraient se présenter sous la forme d'un épaulement. Il en est de même pour la surface 22 secondaire d'appui qui, selon un mode de réalisation, est arrondie mais qui pourrait également se présenter sous forme d'une portion sensiblement plane.At the upper end of the longitudinal tubes 13 of the front bar 11 of the spider 3 are fixed arms 19 adapted to cooperate with the mounting fingers 20 described below. These arms 19 are provided with a notch 21 and a secondary bearing surface 22 located between the notch 21 and a free edge 23 of the arm 19. The notch 21 serves to form a stop in translation, according to the Y axis of the mounting finger 20 , and to guide the mounting finger 20 about its axis of revolution. According to one embodiment, the arms 19 are in the form of a plate, that is to say that their thickness is small, and are welded to the longitudinal tubes 13 , however, they could have a large thickness and be nested or fixed by means of fasteners such as screws and nuts. The notches 21 are, in turn, substantially rounded in order to cooperate with the mounting fingers 20 but they could be in the form of a shoulder. It is the same for the secondary bearing surface 22 which, according to one embodiment, is rounded but which could also be in the form of a substantially flat portion.

Les tubes 13 longitudinaux de la barre 11 avant de croisillon 3 comportent également, à leurs extrémités supérieures, des pions 24 coopérant avec les glissières 25 de la partie 6 avant du sommier 4, décrites ci-après. Selon un mode de réalisation, les pions 24 comportent un roulement annulaire dont la périphérie est en contact avec les glissières, cependant il pourrait s'agir de patins ou de rails réalisant la même fonction de translation.The longitudinal tubes 13 of the front bar 11 of the spider 3 also comprise, at their upper ends, pins 24 cooperating with the slides 25 of the front portion 6 of the bed frame 4, described below. According to one embodiment, the pins 24 comprise an annular bearing whose periphery is in contact with the slideways, however it could be pads or rails performing the same function of translation.

Les glissières 25 sont réalisées en forme de U comprenant une base plate et deux montants en regards perpendiculaires à la base, et sont orientées vers l'intérieur du sommier 4 de telle sorte que les pions 24 puissent translater le long des glissières 25. Selon un mode de réalisation particulier, la partie 6 avant du sommier 4 pourrait ne comporter qu'une seule glissière 25 en partie centrale du lit auquel cas, un seul pion 24 translaterai dans la glissière 25. The slides 25 are made in a U-shape comprising a flat base and two uprights in perpendicular to the base, and are oriented towards the inside of the bed base 4 so that the pins 24 can translate along the rails 25. According to a particular embodiment, the front portion 6 of the bed frame 4 could comprise only one slide 25 in the central portion of the bed in which case, a single pin 24 will translate in the slideway 25.

Les glissières 25 comprennent une ouverture 26 par laquelle le pion 24 est inséré dans celle-ci. Cette ouverture 26 est pratiquée sur une partie verticale de la glissière comportant la face 27 inférieure d'appui du pion 24. The slides 25 comprise an opening 26 through which the pin 24 is inserted into it. This opening 26 is made on a vertical portion of the slide having the lower bearing surface 27 of the pin 24.

Les glissières 25 comprennent également une butée 28 limitant la course de la partie 6 avant du sommier 4 vers l'extérieur du lit 1 suivant la direction de l'axe Y lorsque la partie 6 avant est dans une position sensiblement parallèle au bâti 2. Cette butée 28 se présente sous forme d'une plaque fixée en bout glissière 25 de manière perpendiculaire, à la fois à la base du U et à ses montants.The slideways 25 also comprise a stop 28 limiting the stroke of the front portion 6 of the bed 4 towards the outside of the bed 1 in the direction of the Y axis when the front portion 6 is in a position substantially parallel to the frame 2. The abutment 28 is in the form of a plate fixed at the end of the slide 25 in a perpendicular manner, both at the base of the U and at its uprights.

La partie 6 avant du sommier 4 comporte également des doigts 20 de montage utilisés pour faciliter la phase de montage et de démontage du lit 1. Ces doigts 20 sont sensiblement de forme cylindrique et sont placés de manière que leur axe de révolution soit parallèle au plan défini par le sommier 4 et qu'ils soient perpendiculaires aux bras 19 de la barre 11 avant. Les doigts 20 de montage sont soudés au sommier 4 vers l'intérieur de celui-ci, cependant, il pourrait s'agir d'éléments vissés ou une tige traversant de part en part le sommier 4. Part 6 before the bed base 4 also comprises fingers 20 assembly used to facilitate the assembly phase and disassembly bed 1. These fingers 20 are substantially cylindrical in shape and are placed so that their axis of revolution is parallel to the plane defined by the bed base 4 and that they are perpendicular to the arms 19 of the bar 11 before. The mounting fingers 20 are welded to the frame 4 towards the inside thereof, however, it could be screwed elements or a rod passing through the bed base 4.

Afin de maintenir la partie 6 avant du sommier 4 dans une position sensiblement parallèle au bâti 2, la distance d1 entre une périphérie du pion 24, situé en regard de l'ouverture 26 dans la glissière 25, et la butée 28 est inférieure à une distance d2 entre l'encoche 21 et un bord 23 libre du bras 19. Cette mesure est effectuée lorsque le doigt 20 de montage est en contact avec l'encoche 21 et que la partie 6 avant du sommier 4 est dans une position telle que la périphérie du pion 24 se situe au même niveau que la face 27 inférieure d'appui de la glissière 25, comme le suggère l'encart de la figure 5.In order to maintain the front portion 6 of the bed base 4 in a position substantially parallel to the frame 2, the distance d1 between a periphery of the pin 24, located opposite the opening 26 in the slideway 25, and the stop 28 is less than one. distance d2 between the notch 21 and a free edge 23 of the arm 19. This measurement is performed when the mounting finger 20 is in contact with the notch 21 and the front portion 6 of the bed 4 is in a position such that the periphery of the pin 24 is at the same level as the lower bearing surface 27 of the slide 25, as suggested by the inset of the figure 5 .

Le bâti 2 comprend, en outre, des surfaces 29 d'appui et d'indexation matérialisées par l'ajout d'une pièce en plastique. A titre d'exemple non limitatif, ces pièces peuvent être réalisées en Polyoxyméthylène (POM) ou Acrylonitrile Butadiène Styrène (ABS).The frame 2 further comprises bearing surfaces 29 and indexing materialized by the addition of a plastic part. By way of non-limiting example, these parts may be made of Polyoxymethylene (POM) or Acrylonitrile Butadiene Styrene (ABS).

Ces pièces se composent d'un plat 30 de forme rectangulaire comportant, sur ses bords de dimension inférieure, une face 31 en saillie. Le plat 30 est pourvu, sur sa face supérieure de motifs lui conférant un caractère antidérapant. Ces pièces sont notamment utilisées lors des phases de montage du lit 1 et lorsque le lit 1 est démonté pour être stocké ou déplacé.These parts consist of a flat 30 of rectangular shape having, on its lower-dimension edges, a projecting face 31 . The plate 30 is provided on its upper surface with patterns giving it an anti-slip character. These parts are used in particular during the mounting phases of the bed 1 and when the bed 1 is disassembled to be stored or moved.

En variante à ces pièces, les surfaces 29 d'appui et d'indexation pourraient être réalisées directement sur le bâti 2 au moyen de motifs conférant une bonne rugosité permettant aux éléments d'être appuyées et de ne pas glisser ou encore par des extrusions ou au contraire des retraits de matière dans le bâti 2. As an alternative to these parts, the bearing and indexing surfaces 29 could be made directly on the frame 2 by means of patterns conferring a good roughness allowing the elements to be supported and not to slide or by extrusions or contrary to the withdrawal of matter in the building 2.

Des moyens 32 de solidarisation tels que des vis, sont rattachés, par une lanière 33 souple, à la partie 7 arrière du sommier 4 et permettent de solidariser ensemble la partie 6 avant et la partie 7 arrière du sommier 4. Les lanières 33 souples permettent de réduire les pertes de pièces mais également de faciliter et d'augmenter la rapidité d'utilisation des pièces. Ces moyens 32 de solidarisation peuvent également se présenter sous la forme de goupilles ou tout élément pouvant réaliser un assemblage démontable entre deux pièces.Fastening means 32 such as screws, are attached by a flexible strap 33 to the rear portion 7 of the bed base 4 and to secure together the front portion 6 and the rear portion 7 of the bed base 4. The flexible straps 33 allow to reduce the losses of parts but also to facilitate and increase the speed of use of the parts. These means 32 for securing may also be in the form of pins or any element that can make a removable assembly between two parts.

L'ensemble de la structure du lit 1, à savoir le bâti 2, le croisillon 3 et les deux parties 6, 7 du sommier est réalisé en matériaux métalliques et plus précisément en acier. Cependant, pour des raisons de poids par exemple, la structure peut être réalisée en aluminium ou en matériaux composite tels qu'un polymère renforcé de fibres de verre ou de carbone ou tout autre matériau offrant de bonnes caractéristiques de tenue mécanique.The entire structure of the bed 1, namely the frame 2, the spider 3 and the two parts 6, 7 of the bed base is made of metal materials and more precisely steel. However, for reasons of weight for example, the structure may be made of aluminum or composite materials such as a polymer reinforced with glass fibers or carbon or any other material with good mechanical strength characteristics.

Le montage du lit 1 par un opérateur comprend plusieurs étapes.The mounting of the bed 1 by an operator comprises several steps.

Lorsque le lit 1 est stocké, il est démonté et tous les éléments du lit sont rassemblés ensemble de manière verticale pour que lorsqu'il est déplacé tous les éléments du lit 1 soient déplacés, limitant ainsi la perte de pièces.When the bed 1 is stored, it is removed and all the elements of the bed are gathered together vertically so that when moved all the elements of the bed 1 are moved, thus limiting the loss of parts.

La première étape 100 pour l'opérateur est, dans un premier temps, de séparer des différents sous-ensembles, à savoir le bâti 2 et les deux parties 6, 7 du sommier. Dans un deuxième temps, l'opérateur déplie le deuxième cadre 10 du bâti 2 depuis sa position repliée à sa position fonctionnelle.The first step 100 for the operator is, in a first step, to separate different subsets, namely the frame 2 and the two parts 6, 7 of the bed. In a second step, the operator unfolds the second frame 10 of the frame 2 from its folded position to its operative position.

La deuxième étape 200 consiste à raccorder le lit 1 au réseau électrique. Une fois le lit 1 raccordé, les commandes électriques sont actives ce qui permet à l'opérateur de manoeuvrer le croisillon 3 afin de placer ce dernier en position haute maximale.The second step 200 consists in connecting the bed 1 to the electrical network. Once the bed 1 connected, the electrical controls are active which allows the operator to manipulate the spider 3 to place the latter in the maximum high position.

Lors de l'étape suivante 300, l'opérateur vient placer la partie 7 arrière du sommier 4 de telle sorte que les pattes 16 coopèrent avec les fraisages 17 réalisés dans les tubes 13 longitudinaux de la barre 12 arrière du croisillon 3. Enfin l'opérateur fixe des goupilles 18 en bout des tubes 13 longitudinaux assurant ainsi l'emprisonnement des pattes 16 de la partie 7 arrière du sommier 4 dans les fraisages 17 de ceux-ci.In the next step 300, the operator places the rear portion 7 of the bed 4 so that the lugs 16 cooperate with the milling 17 made in the longitudinal tubes 13 of the rear bar 12 of the cross 3. Finally, fixed operator of the pins 18 at the end of the longitudinal tubes 13 thus ensuring the imprisonment of the legs 16 of the rear portion 7 of the bed 4 in the milling 17 thereof.

Pour l'opérateur, l'étape 400 suivante consiste à poser la partie 6 avant du sommier 4 de manière à ce qu'elle soit en appui sur les surfaces 29 d'appui et d'indexation sur le cadre 10 et que les doigts 20 de montage coopèrent avec l'encoche 21 des bras.For the operator, the following step 400 consists of placing the front portion 6 of the bed base 4 so that it bears on the support and indexing surfaces 29 on the frame 10 and the fingers 20 mounting cooperate with the notch 21 of the arms.

Lors de l'étape 500 suivante, l'opérateur place la partie 6 avant du sommier 4 dans une position sensiblement parallèle au bâti 2 de telle sorte que les doigts 20 de montage coopèrent avec la surface 22 secondaire d'appui du bras 19 et que les pions 24 de la barre 11 de pied du croisillon 3 coopèrent avec les glissières 25 de la partie 6 avant du sommier 4. Pour cette étape 500, l'opérateur articule la partie 6 avant du sommier 4 autour des axes de révolution des doigts 20 de montage. Les pions 24 de la barre 11 avant sont ainsi insérés dans la glissière 25 par l'ouverture 26 dont est équipée cette dernière. D'un mouvement de translation vers l'extérieur du lit 1, selon l'axe Y, l'opérateur bloque la partie 6 avant du sommier 4 dans la position sensiblement parallèle au bâti 2. La partie 6 avant du sommier 4 est maintenue dans cette position sous l'action de deux forces opposées suivant l'axe Z. Une première force est appliquée négativement par les doigts 20 de montage sur les surfaces 22 secondaires d'appui des bras 19 de la barre 11 avant et une deuxième force positive, opposée, est appliquée par le pion 24 sur la glissière 25 et plus particulièrement par la périphérie externe du roulement annulaire du pion 24 sur la face 27 inférieure de la glissière 25. Le pion 24 étant également en contact avec la butée 28 de la glissière 25. In the next step 500 , the operator places the front portion 6 of the bed base 4 in a position substantially parallel to the frame 2 so that the mounting fingers 20 cooperate with the secondary support surface 22 of the arm 19 and that the pins 24 of the crossbar 11 of the spider 3 cooperate with the slideways 25 of the front portion 6 of the frame 4. For this step 500, the operator articulates the part 6 before the bed base 4 around the axes of revolution of the mounting fingers 20 . The pins 24 of the front bar 11 are thus inserted into the slide 25 through the opening 26 of which the latter is equipped. With a translation movement towards the outside of the bed 1, along the Y axis, the operator blocks the front portion 6 of the bed 4 in the position substantially parallel to the frame 2. The front portion 6 of the bed 4 is maintained in this position under the action of two opposing forces along the Z axis. A first force is negatively applied by the mounting fingers 20 on the secondary bearing surfaces 22 of the arms 19 of the front bar 11 and a second positive force, opposite, is applied by the pin 24 on the slide 25 and more particularly by the outer periphery of the annular bearing of the pin 24 on the lower face 27 of the slide 25. The pin 24 is also in contact with the stop 28 of the slide 25 .

Lors de l'avant dernière étape 600, l'opérateur emboite les parties 6 avant et 7 arrière du sommier 4. Cette action a pour but de désengager le doigt 20 de montage de la surface 22 secondaire d'appui du bras 19. Les deux parties 6, 7 étant alors complètement parallèles au bâti 2. At the penultimate stage 600, the operator engages the front parts 6 and 7 back of the bed 4. This action is intended to disengage the finger assembly 20 of the secondary surface 22 of the support arm 19. The two parts 6, 7 then being completely parallel to the frame 2.

La dernière étape 700 permet à l'opérateur de solidariser les parties 6 avant et 7 arrière du sommier 4 avec les moyens 32 de solidarisation rapportés sur la partie 7 arrière du sommier 4. Cette action permet ainsi d'obtenir un sommier 4 fonctionnel en une seule pièce. En effet, les doigts 20 de montage étant désengagés des bras 19, le pion 24 peut librement translater dans la glissière 25 permettant ainsi de régler la hauteur du sommier 4. The last step 700 allows the operator to secure the parts 6 and 7 before the rear of the bed 4 with the means 32 for securing reported on the rear portion 7 of the bed 4. This action thereby obtaining a block in a mattress 4 single piece. Indeed, the mounting fingers 20 being disengaged from the arms 19, the pin 24 can freely translate in the slide 25 thus making it possible to adjust the height of the bed base 4.

Pour le démontage du lit 1, le même procédé est utilisé à la différence que les étapes 100 à 700 se font à l'inverse du procédé de montage.For disassembly of the bed 1, the same method is used with the difference that steps 100 to 700 are the opposite of the mounting method.

Claims (10)

  1. Collapsible medical bed (1) comprising:
    - a frame (2);
    - a deck (4) split into two parts, specifically a rear part (7) and a front part (6) provided with at least one rail (25);
    - a device for adjusting the height of the deck (4) with respect to the frame (2), this device comprising a deformable cross structure (3) equipped with a front bar (11) and a rear bar (12) which are articulated with respect to one another;
    - bearing and indexing surfaces (29) which are able to engage with the rear part (7) and the front part (6) of the deck,
    - pegs (24) fastened to the upper part of the front bar (11) which are able to engage with the rail (25) of the front part (6) of the deck (4);
    wherein this bed (1) is characterized in that:
    - the front part (6) of the deck (4) comprises at least one assembling finger (20);
    - the front bar (11) comprises, at its upper ends, an arm (19) equipped with a notch (21) and with a secondary bearing surface (22) which are able to engage with the assembling finger (20) of the deck (4).
  2. Medical bed (1) according to Claim 1, characterized in that the notch (21) forms an endstop for the movement in translation of the assembling finger (20) in a longitudinal direction of the bed (1).
  3. Medical bed (1) according to either one of the preceding claims, characterized in that the notch (21) guides the front part (6) of the deck (4) in rotation about the axis of rotation of the assembling finger (20).
  4. Medical bed (1) according to any one of the preceding claims, characterized in that the rail (25) comprises, in its lower part, an opening (26) allowing a peg (24) to be inserted.
  5. Medical bed (1) according to any one of the preceding claims, characterized in that the rail (25) comprises an endstop (28) which is able to block the peg (24) when the front part (6) of the deck (4) is substantially parallel to the frame (2).
  6. Medical bed (1) according to the preceding claim, characterized in that the distance d1 between a periphery of the peg (24), located facing the opening (26) in the rail (25), and the endstop (28) of the rail is less than a distance d2 between the notch (21) and a free edge (23) of the arm (19).
  7. Bed (1) according to any one of the preceding claims, characterized in that the front part (6) of the deck (4) is assembled by positioning lugs (16) in cutouts (17) in the tubes (13) of the bar (12) of the cross structure (3).
  8. Medical bed (1) according to any one of the preceding claims, characterized in that it comprises bearing and indexing surfaces (29) by means of which the front part (6) of the deck (4) can be blocked when it is in an inclined position with respect to the frame (2).
  9. Medical bed (1) according to the preceding claim, characterized in that the bearing and indexing surfaces (29) are able to receive and index, in the vertical position with respect to the frame (2), the front (6) and rear (7) parts of the deck (4) when the bed (1) is collapsed.
  10. Method for assembling a medical bed (1) according to any one of the preceding claims, comprising:
    - a step (100) of detaching the front (6) and rear (7) parts of the deck (4) and placing the second base (10) of the frame (2) in the operational position;
    - a step (200) of connecting the bed (1) to mains electricity and raising the cross structure (3) into its maximum position;
    - a step (300) of positioning lugs (16) of the rear part (7) of the deck (4) in cutouts (17) in tubes (13) of the rear bar (12) of the cross structure (3), then attaching pins (18) to the ends of the tubes (13);
    - a step (400) of lowering the front part (6) of the deck (4) such that it bears against the bearing and indexing surfaces (29) and such that the assembling fingers (20) engage with the notch (21) of the arm (19);
    - a step (500) of placing the front part (6) of the deck (4) in a position which is substantially parallel to the frame (2) such that the assembling fingers (20) engage with the secondary bearing surface (22) of the arm (19) and such that the pegs (24) of the foot bar (11) of the cross structure (3) engage with the rails (25) of the front part (6) of the deck (4);
    - a step (600) of slotting the front (6) and rear (7) parts of the deck (4) into one another;
    - a step (700) of securing the front (6) and rear (7) parts of the deck (4) to one another.
EP13179747.4A 2012-08-09 2013-08-08 Hospital bed with easy installation and method for installing such a bed Active EP2695591B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1257734A FR2994382B1 (en) 2012-08-09 2012-08-09 MEDICALIZED BED WITH EASY ASSEMBLY AND METHOD OF MOUNTING SUCH A BED

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EP2695591A1 EP2695591A1 (en) 2014-02-12
EP2695591B1 true EP2695591B1 (en) 2014-12-31

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EP13179747.4A Active EP2695591B1 (en) 2012-08-09 2013-08-08 Hospital bed with easy installation and method for installing such a bed

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EP (1) EP2695591B1 (en)
ES (1) ES2533567T3 (en)
FR (1) FR2994382B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3836878B1 (en) * 2018-08-14 2022-05-11 Home Medical Service HMS Demountable bed transport trolley

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3146265A1 (en) * 2023-03-03 2024-09-06 Home Medical Service H.M.S. Height-adjustable bed with a two-part base and method of assembling/disassembling such a bed

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137183B (en) * 1958-07-19 1962-09-27 Roland Eudes Height-adjustable bed frame
DE2525596B2 (en) * 1975-06-09 1978-07-20 Stahl-Vogel Wilhelm Vogel, 6308 Butzbach Bed, in particular a hospital bed, with a mattress frame that is adjustable in height and inclination
FR2930878B1 (en) * 2008-05-06 2010-08-20 Medicatlantic Sa FOLDING BED BASE
FR2941368B1 (en) * 2009-01-27 2011-03-18 Medicatlantic Sa SOMMIER WITH PROCLIVE DEVICE FOR A BED
FR2966708B1 (en) * 2010-11-03 2012-12-14 Medicatlantic Sa BED MOUNTING METHOD

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3836878B1 (en) * 2018-08-14 2022-05-11 Home Medical Service HMS Demountable bed transport trolley

Also Published As

Publication number Publication date
FR2994382A1 (en) 2014-02-14
FR2994382B1 (en) 2015-05-15
ES2533567T3 (en) 2015-04-13
EP2695591A1 (en) 2014-02-12

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