EP2494889A1 - Bed support frame - Google Patents

Bed support frame Download PDF

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Publication number
EP2494889A1
EP2494889A1 EP12157525A EP12157525A EP2494889A1 EP 2494889 A1 EP2494889 A1 EP 2494889A1 EP 12157525 A EP12157525 A EP 12157525A EP 12157525 A EP12157525 A EP 12157525A EP 2494889 A1 EP2494889 A1 EP 2494889A1
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EP
European Patent Office
Prior art keywords
bar
frame
arms
upper structure
chassis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12157525A
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German (de)
French (fr)
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EP2494889B1 (en
Inventor
Nicolas Perez
Philippe Girard de Courtilles
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La Roche
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La Roche
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Publication date
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Publication of EP2494889A1 publication Critical patent/EP2494889A1/en
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Publication of EP2494889B1 publication Critical patent/EP2494889B1/en
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Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments

Definitions

  • the present invention relates to the field of bed support frame. More particularly, the present invention relates to a bed support frame having a height-blocking device of the bed support in an intermediate position between a low position where the frame is completely folded and a high position in which the frame is fully unfolded.
  • This device is intended to receive a bedding composed of a set that can be identified as a set bed base and mattress.
  • the object of the present invention is to overcome at least certain disadvantages of the prior art by proposing, in particular, a bed support frame of simple, inexpensive and easy handling constitution, making it possible to stabilize the bedding at an intermediate working height between the positions. extreme of the support.
  • a bed support frame comprising a lower structure placed on the ground and an upper structure fixed on the lower structure, the upper structure being movable by pivoting relative to the lower structure in planes parallel to the ground, between a plan of minimum height with respect to the ground defining a low position and a plan of maximum height with respect to the ground defining a high position
  • the chassis comprising means of return acting on the movement of the upper structure relative to the lower structure and damping means of the return movement exerted by said return means
  • the chassis also comprising locking means comprising a first cheek, secured to a portion of an arm , a second cheek, secured to a portion of the upper structure vis-à-vis the first cheek and a pawl pivotally mounted on the first cheek and connected thereto by a biasing element, the pawl being slidable on a portion of the edge of the second cheek and cooperate with at least one notch of the latter to block the frame in a plane parallel to the ground at a height between the intermediate low position and the high position.
  • the bed support frame comprises means for maintaining the upper structure relative to the lower structure, opposing the bias exerted by the biasing means, in a low position.
  • the holding means, the chassis, in the low position comprise hooking means between the upper structure and the lower structure, said hooking means being connected by a bar.
  • the hooking means consist of two hooks each mounted on a spring, each fixed at one end of an amount of the upper structure and intended to snap each on a portion of an amount of the lower structure to lock the upper structure in the lower position.
  • At least one pedal is fixed in a direction substantially perpendicular to the bar connecting the holding means.
  • a second pairing bar inside the bar connecting the holding means is slidably mounted, a second pairing bar, of the same section and of slightly transverse dimensions. lower than those of the bar connecting the holding means, said second twinning bar being adapted to fit into the bar connecting the holding means of another bed support frame so as to lock or unlock simultaneously the two upper structures two bed support frames.
  • the bar connecting the holding means comprises a groove extending longitudinally on one of these lateral faces and in that a clamping element is screwed onto the twinning bar and passes through the groove.
  • the frame comprises abutment means of the upper structure in the lower position against the lower structure.
  • under the first amounts of the frame are fixed extensions so as to adjust the height of the bed.
  • At least two arms of identical length each connect the upper structure and the lower structure and are pivotally mounted on each structure to pivot the upper structure relative to the lower structure in planes parallel to the ground and means as well as damping means respectively act on the pivoting of at least one of these arms.
  • the return means of the frame consist of at least one spring having an end connected to an arm and its other end connected to a lower pad, these biasing means acting on the pivoting of the arm to bring the structure upper in its high position or rest in which the longitudinal axis of the arms is substantially perpendicular to the ground.
  • the damping means of the frame consist of at least one jack having an end connected to an arm and its other end connected to the lower structure, these damping means acting on the pivoting of the arm for bring the structure upper in its high position or rest in which the longitudinal axis of the arms is substantially perpendicular to the ground.
  • the two uprights of the lower structure are connected by a transverse upright to form an H.
  • the uprights of the upper structure have an inverted U-shaped cross-sectional area sufficient to receive the biasing means when the upper structure is in the down position.
  • the frame (1) bed support is intended to support a bed base (2) and a mattress (3) to form a bed, as shown in FIG. figure 3 .
  • this frame (1) support will have conventional dimensions for a bed for example of a place or two places.
  • the frame (1) support according to the invention is symmetrical with respect to a vertical plane, said plane of symmetry. It comprises, for example and without limitation, two first uprights (10, 11) each elongated along a longitudinal axis said. These first two uprights (10, 11) are identical, for example and without limitation, hollow and square cross section. These first two uprights (10, 11) are arranged parallel to the ground, symmetrically with respect to the plane of symmetry. They are connected to each other by a transverse amount (12). In some embodiments, this transverse amount (12) will be fixed, for example, substantially to two-thirds of each first amount (10, 11).
  • each of the first uprights (10, 11) two arms (30, 31, 40, 41) are fixed by one of their end.
  • the two arms (30, 31, 40, 41) of each first post (10, 11) are fixed at their other end to a second post (20, 21) located above each first post (10, 11).
  • These second uprights (20, 21) are elongate along their longitudinal axis and have an inverted U-shaped cross section.
  • the longitudinal axes of these second uprights (20, 21) are parallel to each other and parallel to the longitudinal axes of the first uprights.
  • the longitudinal axis of each second upright (20, 21) lies in the same vertical plane, called the pivot plane, parallel to the plane of symmetry, that the longitudinal axis of the first upright (10, 11) to which the second upright (20, 21) is connected.
  • the arms (30, 31, 40, 41) are all identical and are arranged symmetrically with respect to the plane of symmetry. They are each pivotally mounted at each of their ends on the first (10, 11) and second (20, 21) amounts they connect.
  • the arms (30, 31, 40, 41) are mounted on the uprights so that the longitudinal axes of the second uprights (20, 21) are always included, even when the arms (30, 31, 40, 41) are pivoted, in the same horizontal plane parallel to the ground.
  • the two arms (30, 31, 40, 41) connecting a first upright (10, 11) to a second upright (20, 21) pivot in the vertical plane of rotation, parallel to the plane of symmetry, comprising the longitudinal axes of the uprights that they connect.
  • the chassis forms a deformable parallelogram by pressure on the upper frame structure (20, 21), the hinge points connecting the lower (10, 11, 12) and upper (20, 21) structures to the arms (30, 21). 31, 40, 41) being fixed.
  • the upper structure (20, 21) is displaceably movable relative to the lower structure (10, 11, 12) in planes parallel to the ground.
  • the first two arms (40, 41), symmetrical with respect to the plane of symmetry have one of their ends fixed on the first upright (10, 11) near an end, said first end, of this first amount (10, 11).
  • the other two arms symmetrical with respect to the plane of symmetry, said second arms (30, 31), have one of their ends fixed to the first upright (10, 11), for example substantially two-thirds of it from its first end.
  • the second arms (30, 31) have their second end fixed to the second upright (20, 21) near an end, said first end, of the second upright (20, 21).
  • the first arms (40, 41) have their second end fixed to the second upright (20, 21) for example substantially two-thirds of it from its first end.
  • the first (40, 41) and second (30, 31) arms are connected in pairs by a bar (80, 81).
  • a bar (80, 81) makes it possible to secure the two symmetrical arms (30, 31, 40, 41) that it connects and thus to synchronize the pivoting movement of these two arms (30, 31, 40, 41) so that this movement is uniform on both sides of the frame (1).
  • these bars (80, 81) also make it possible to stiffen the structure of the frame (1).
  • At least one of the bars (80, 81) has a V-shape whose branches form an angle, for example, obtuse.
  • the tip of the V of at least one bar (80, 81) is oriented towards the outside of the frame (1).
  • the bar (80) connecting the first arms (40, 41) is fixed on each arm (40, 41) closer to its end fixed to the first upright (10, 11) than its other end. attached to the second amount (20, 21).
  • the bar (81) is fixed on each arm (30, 31) closer to its end fixed on the second upright (20, 21) than its other end fixed to the first upright (10, 11)
  • the frame (1) bed support comprises locking means capable of stabilizing the bed in a plane substantially parallel to the ground at a height between the intermediate low position and the high position.
  • the locking means comprise a first cheek (121) integrally mounted on at least one arm (40 or 41) and a second cheek (122) integrally mounted on at least one of the second uprights (20 or 21) facing each other. of the first cheek (121).
  • On this first cheek (121) is pivotally mounted a pawl (123), one end of which is connected thereto by a resilient biasing means (124), such as for example and not limited to a spring.
  • the elastic return means (124) keeps the pawl (123) in a rest position such that the angle formed by the axis ( ⁇ 1) of the pawl and the longitudinal axis ( ⁇ 2) of the elastic return means (124) is stabilized at a value ⁇ , the elastic return means (124) exerting a moment of force on the pawl (123) and the pivot (P) being the point of attachment of the ratchet (123) to the first cheek (121).
  • the frame (1) bed support, in the high position is about 55 cm from the ground.
  • the bed base, mattress measuring approximately 70 to 75 cm, the bed in the high position is therefore about 1.30 m from the ground.
  • This height is uncomfortable for the arrangement of the bed, it is necessary to lower the set to a working height of about 90 cm.
  • the pawl is engaged in the notch (125) of the first cheek making a rattling noise.
  • this clicking makes it possible to confirm the locking of the frame in its intermediate position between the low position and the high position.
  • the locking thus produced is sufficiently robust to oppose the restoring force exerted by the return means (R, R1, R2) from the intermediate position, and which tends to rotate the arms (30, 31, 40, 41) clockwise. From the intermediate position, the person in charge of maintenance can apply a new pressure on the bed so as to rotate the arms (30, 31, 40, 41) counterclockwise, and to unlock the pawl (123) engaged in the notch (125) of the second cheek (122).
  • the cheeks (121, 122) continue their rotary movement relative to each other, causing the increase in height h and the decrease in distance d.
  • the edge (123b) of the pawl will thus slide along the nose (127) of the second cheek until the tip (1 23c) of the pawl exceeds the nose (127) of the second cheek, which completely disengages the ratchet (123) of the notch (125) of the second cheek (122) and releases the frame (1) from the intermediate position.
  • the previous moment just the total disengagement of the pawl (123) from the notch (125) is shown figure 4e .
  • the elastic return means (124) recalls the pawl in its rest position, the axes ⁇ 1 and ⁇ 2 again forming an angle of value ⁇ .
  • the user then has the choice to maintain the pressure on the structure to oppose the restoring force of the return means (R, R1, R2), until the lower position is reached, or to release completely the bed so that the return means (R, R1, R2) ensure the return of the bed to the high position.
  • a return means such as, for example and without limitation, a spring (R1, R2) whose second end is fixed to the first upright (10, 11) on which the arm (30, 31) is mounted.
  • 11 stands a stud (60, 61) of determined height less than the length of the arms (30, 31, 40, 41). Near the free end of this stud (60, 61) is fixed the second end of the spring (R1, R2).
  • the axes of the springs (R1, R2) are located in the vertical plane of pivoting. When the arms (30, 31, 40, 41) are in a substantially vertical position, the axes of the springs (R1, R2) are included in the same horizontal plane parallel to the ground.
  • the bed support frame has only one biasing means.
  • This return means may, for example, be a spring (R) placed between one of the bars (80, 81) connecting the first arms (40, 41) or the second arms (30, 31) and the transverse post (12).
  • one of the ends of the spring (R) is, for example, fixed to an end of a stud (66) of determined height. less than the length of the arms (30, 31, 40, 41), extending upwards and fixed to the transverse post (12), substantially in the middle.
  • the second end of the spring (R) may, for example, be fixed to one end of a stud (67) fixed on a substantially central region of one of the bars (80, 81) connecting the first arms (40, 41).
  • the axis of the spring (R) is located in the vertical plane of pivoting. When the arms (30, 31, 40, 41) are in a substantially vertical position, the axis of the spring (R) is included in the same horizontal plane parallel to the ground.
  • the symmetrical springs (R1, R2) thus constitute pivoting return means of the first arms (40, 41) to which they are attached.
  • the latter is a means of return to pivoting of the first arms (40, 41).
  • the springs are at rest when the second uprights (20, 21) are in the up position, that is to say when the longitudinal axes of the arms (30, 31, 40, 41) are substantially perpendicular to the longitudinal axes of the uprights ( 10, 11, 20, 21) that they connect.
  • the return is thus exerted by the springs (R, R1, R2) towards this high position, represented in figure 3 .
  • All the arms (30, 31, 40, 41) are furthermore pivotally locked and can not pivot in the direction of the return (represented by the arrow on the figure 3 ) exerted by the springs (R, R1, R2), beyond their vertical position.
  • each second upright (20, 21) is fixed a hook (70, 71) pivoting in its respective pivoting plane, for hanging each second upright (20, 21) at the first upright (10, 11) so that, by opposing the return of the springs (R, R1, R2) on the second arms (30, 31), the pivoting of the arms (30, 31, 40, 41) in the direction of the return and maintain the frame (1) support according to the invention in said low position, as shown figure 2 .
  • the end of the hooks (70, 71) is housed, for example, in the hollow portion (100, 110) of the first uprights (10, 11).
  • a return spring (R7) to a rest position.
  • the hooks (70, 71), in the rest position, are, for example, each abutting against the stud (64, 65) located near them.
  • Each hook has at its end a portion (700) sloping forming a ramp intended to come to slide, thanks to the action of the spring hook, when lowering the frame (1) from its upper position to its lower position, on the upper transverse edge of the end section of the corresponding first upright (10, 11).
  • the return spring of the hooks (70, 71) then makes it possible to create a latching and locking of the hooks in the hollow portion (100, 110) of the corresponding first upright (10, 11).
  • the two hooks (70, 71) are connected by a bar (72) whose axis is substantially perpendicular to the plane of symmetry.
  • This bar (72) makes it possible to manipulate the hooks (70, 71) simultaneously.
  • the flat abutment plates (62, 63, 64, 65) and / or the hooks (70, 71) are adjusted so that in the low position ( figures 1 , and 2 ), the hooking hooks (70, 71) on the first uprights (10, 11) is perfect and their stall, using the bar (72), easy.
  • a return spring hooks (70, 71) is for example mounted between the bar (72) and an upper post (20, 21), for example at the point of attachment of a second arm (30, 31) on its second leg (20, 21).
  • At least one pedal (75) is fixed on the bar (72) connecting the hooks (70, 71), in a direction substantially perpendicular to the axis of the bar so as to facilitate the releasing the hooks (70, 71) to release the force of the spring actuating the lifting of the bed.
  • This pedal (75) may, for example and without limitation, be formed of a rod placed near the ends of the bar (72) connecting the holding means (70, 71).
  • a second bar (720) pairing in the bar (72) connecting the holding means (70, 71), is inserted a second bar (720) pairing.
  • This second bar (720) is of the same section and slightly smaller transverse dimensions than those of the bar (72) connecting the holding means (70, 71).
  • This second pairing bar (720) is slidably mounted inside the bar (72) connecting the holding means (70, 71).
  • This second bar (720) pairing is intended to connect the two bars connecting the holding means of the two beds to be coupled.
  • the bar (72) is, for example and without limitation, of square section as illustrated. figure 2 or round section as illustrated figure 1 .
  • the bar (72) has a groove (721) extending longitudinally on one of its sides between the holding means (70, 71).
  • Locking means (722 such as for example and without limitation, a threaded element or a screw, is screwed onto the bar (720) of twinning and passes through the groove (721).
  • This blocking means (722) makes it possible to lock the pairing bar (720) inside the bar (72).
  • the bar (72) does not have a groove (721). This embodiment corresponds to that of the bar (72) receiving the bar (720) of twinning of the bed to be twinned.
  • the bar (720) connecting the holding means (70, 71) may comprise, for example, a tapped hole in which is screwed a locking means (722), such as, for example, a threaded element. This threaded element is intended to block the bar (720) of pairing inside the bar (72) for example and without limitation, by screwing.
  • a downwardly extending pad (62, 63, 64, 65) is secured adjacent each end of each second post (20, 21).
  • These studs (62, 63, 64, 65) are of slightly greater height, for example and in no way restrictive, about 5 mm, than that of the plates (60, 61) of the first uprights (10, 11) to constitute stop means in its lower position of the pivoted upper part of the frame (1).
  • the symmetrical springs (R1, R2) are housed in the hollow formed along each second upright (20, 21) by the inverted U-shaped cross section.
  • the end of each of the studs (60, 61) of the first uprights (10, 11) penetrates into the hollow formed by the inverted U-shaped cross section of a second upright (20, 21).
  • first amounts (10,11) are fixed extensions.
  • These extensions can, for example and without limitation, be in the form of 4 pads (101, 102, 111, 112) disposed near each end of each first uprights (10, 11) so, for example, to raise the height of the bed.
  • the frame (1) bed support comprises damping means to the return movement exerted by the springs (R1, R2).
  • damping means are, for example and without limitation, consist of a cylinder (91) having a piston moving in a cylinder (93) and on which is fixed a rod (92).
  • the cylinder (93) is for example filled with gas that can pass on either side of the piston by ducts connecting the two separate chambers of the cylinder by the piston.
  • the cylinder (93) is for example fixed at the tip of the V of the bar (80) connecting the first arms (40, 41), while the free end of the rod (92) is fixed on the transverse post (12), substantially in the middle.
  • the damping means with the return movement, can be formed by two jacks, for example, fixed between each first arm (40, 41) and each first uprights (10, 11).
  • the cylinder (93) of each damping means for example, is fixed on each of the first arms (40, 41) of the frame (1), whereas the free end of the rod (92) is fixed to the first upright ( 10, 11) on which the arm (40, 41) is mounted.
  • the frame (1) support comprises damping means (90, 91) to the return movement exerted by the springs (R1, R2).
  • damping means are for example formed by a jack (90, 91) having a piston moving in a cylinder (93) and on which is fixed a rod (92).
  • the cylinder (93) is for example filled with a fluid that can pass on either side of the piston by ducts connecting the two chambers of the cylinder separated by the piston.
  • each damping means (90, 91) is attached to the stud (60, 61).
  • a person can easily pass the frame in the high position, for example to make the bed, unhooking the hooks (70, 71) with the bar (72).
  • the frame will be easily returned to the lower position by pressing on it until the hooks (70, 71) click into place.
  • the bed will be used in low position and will remain perfectly stable and safe in this position.
  • the passage in the high position will be safe, simply by action on the release pedal, and not abrupt because of the presence of damping means.
  • the transition from the intermediate position to the high position will be done with a simple pressure on the bed so as to disengage the pawl (123) from the notch (125) of the second plays (122).
  • the transition from the intermediate position to the lower position will be done by applying a continuous pressure on the bed, the disengagement of the pawl (123) of the notch (125) indicating the output of the intermediate position to the low position.
  • the person in charge of the maintenance will have to maintain a continuous pressure on the bed until the low position is reached.
  • hooks (70, 71) opposing the biasing means (R, R1, R2) block the bed in the down position.
  • the various constituent elements of the frame (1) such as the uprights (10, 11, 20, 21), the arms (30, 31, 40, 41), will for example be made of metal.

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  • Invalid Beds And Related Equipment (AREA)

Abstract

The frame (1) has a blocking unit including a ratchet pivotally mounted on a first flange (121) of the blocking unit. The ratchet cooperates with a notch of a second flange (122) to block the frame in a plane parallel to a ground at intermediate height between a bottom position and a top position. The ratchet is configured such that force impressed by a user and/or by springs (R1, R2) of upper posts (20, 21) moved relative to lower posts (10-12) is sufficient to unlock the frame and to bring the frame from an intermediate position to the bottom or top position.

Description

La présente invention concerne le domaine des châssis support de lit. La présente invention concerne plus particulièrement un châssis support de lit possédant un dispositif de blocage en hauteur du support de lit dans une position intermédiaire entre une position basse où le châssis est complètement plié et une position haute dans laquelle le châssis est entièrement déplié.The present invention relates to the field of bed support frame. More particularly, the present invention relates to a bed support frame having a height-blocking device of the bed support in an intermediate position between a low position where the frame is completely folded and a high position in which the frame is fully unfolded.

Ce dispositif est destiné à recevoir une literie composée d'un ensemble pouvant être identifié comme un ensemble sommier et matelas.This device is intended to receive a bedding composed of a set that can be identified as a set bed base and mattress.

II est connu dans l'art antérieur des dispositifs permettant un réglage du support de lit suivant différentes hauteurs.It is known in the prior art devices allowing adjustment of the bed support in different heights.

Il est par exemple connu, par la demande de brevet français FR 2 868 674 , un châssis support de lit destiné à élever une literie à l'aide d'un vérin pouvant s'arrêter à toutes les positions comprises dans les limites et à l'intérieur d'une course définie par le vérin électromécanique. Ce dispositif présente l'inconvénient d'être onéreux.It is for example known by the French patent application FR 2 868 674 , a bed support frame for raising a bedding with a jack that can stop at all positions within the limits and within a race defined by the electromechanical ram. This device has the disadvantage of being expensive.

La présente invention a pour but de pallier au moins certains inconvénients de l'art antérieur en proposant notamment un châssis support de lit de constitution simple, peu onéreuse et de manipulation aisée, permettant de stabiliser la literie à une hauteur de travail intermédiaire entre les positions extrêmes du support.The object of the present invention is to overcome at least certain disadvantages of the prior art by proposing, in particular, a bed support frame of simple, inexpensive and easy handling constitution, making it possible to stabilize the bedding at an intermediate working height between the positions. extreme of the support.

Ce but est atteint par un châssis support de lit comprenant une structure inférieure posée sur le sol et une structure supérieure fixée sur la structure inférieure, la structure supérieure étant mobile par pivotement par rapport à la structure inférieure dans des plans parallèles au sol, entre un plan de hauteur minimale par rapport au sol définissant une position basse et un plan de hauteur maximale par rapport au sol définissant une position haute, le châssis comprenant des moyens de rappel agissant sur le mouvement de la structure supérieure par rapport à la structure inférieure et des moyens d'amortissement du mouvement de rappel exercé par lesdits moyens de rappel, le châssis comprenant également des moyens de blocage comprenant une première joue, solidaire d'une partie d'un bras, une seconde joue, solidaire d'une partie de la structure supérieure en vis-à-vis de la première joue et un cliquet monté pivotant sur la première joue et relié à cette dernière par un élément de rappel, le cliquet étant apte à coulisser sur une partie de la tranche de la seconde joue et coopérer avec au moins une encoche de cette dernière de façon à bloquer le châssis dans un plan parallèle au sol à une hauteur intermédiaire entre la position basse et la position haute.This object is achieved by a bed support frame comprising a lower structure placed on the ground and an upper structure fixed on the lower structure, the upper structure being movable by pivoting relative to the lower structure in planes parallel to the ground, between a plan of minimum height with respect to the ground defining a low position and a plan of maximum height with respect to the ground defining a high position, the chassis comprising means of return acting on the movement of the upper structure relative to the lower structure and damping means of the return movement exerted by said return means, the chassis also comprising locking means comprising a first cheek, secured to a portion of an arm , a second cheek, secured to a portion of the upper structure vis-à-vis the first cheek and a pawl pivotally mounted on the first cheek and connected thereto by a biasing element, the pawl being slidable on a portion of the edge of the second cheek and cooperate with at least one notch of the latter to block the frame in a plane parallel to the ground at a height between the intermediate low position and the high position.

Selon une autre particularité, le châssis support de lit comprend des moyens de maintien de la structure supérieure par rapport à la structure inférieure, s'opposant au rappel exercé par les moyens de rappel, dans une position basse.In another feature, the bed support frame comprises means for maintaining the upper structure relative to the lower structure, opposing the bias exerted by the biasing means, in a low position.

Selon une autre particularité, les moyens de maintien, du châssis, en position basse, comprennent des moyens d'accrochage entre la structure supérieure et la structure inférieure, lesdits moyens d'accrochage étant reliés par une barre.According to another feature, the holding means, the chassis, in the low position, comprise hooking means between the upper structure and the lower structure, said hooking means being connected by a bar.

Selon une autre particularité, les moyens d'accrochage sont constitués de deux crochets montés chacun sur un ressort, fixés chacun à une extrémité d'un montant de la structure supérieure et destinés à venir s'encliqueter chacun sur une partie d'un montant de la structure inférieure pour verrouiller la structure supérieure dans la position basse.According to another feature, the hooking means consist of two hooks each mounted on a spring, each fixed at one end of an amount of the upper structure and intended to snap each on a portion of an amount of the lower structure to lock the upper structure in the lower position.

Selon une autre particularité, au moins une pédale est fixée suivant une direction sensiblement perpendiculaire à la barre reliant les moyens de maintien.According to another feature, at least one pedal is fixed in a direction substantially perpendicular to the bar connecting the holding means.

Selon une autre particularité, à l'intérieur de la barre reliant les moyens de maintien, est montée coulissante, une seconde barre de jumelage, de même section et de dimensions transversales légèrement inférieures à celles de la barre reliant les moyens de maintien, ladite seconde barre de jumelage étant apte à s'insérer dans la barre reliant les moyens de maintien d'un autre châssis support de lit de façon à verrouiller ou déverrouiller simultanément les deux structures supérieure des deux châssis support de lit.According to another feature, inside the bar connecting the holding means is slidably mounted, a second pairing bar, of the same section and of slightly transverse dimensions. lower than those of the bar connecting the holding means, said second twinning bar being adapted to fit into the bar connecting the holding means of another bed support frame so as to lock or unlock simultaneously the two upper structures two bed support frames.

Selon une autre particularité, la barre reliant les moyens de maintien comporte une rainure s'étendant longitudinalement sur une de ces faces latérales et en ce qu'un élément de serrage est vissé sur la barre de jumelage et traverse la rainure.According to another feature, the bar connecting the holding means comprises a groove extending longitudinally on one of these lateral faces and in that a clamping element is screwed onto the twinning bar and passes through the groove.

Selon une autre particularité, le châssis comprend des moyens de butée de la structure supérieure en position basse contre la structure inférieure.According to another feature, the frame comprises abutment means of the upper structure in the lower position against the lower structure.

Selon une autre particularité, sous les premiers montants du châssis sont fixées des réhausses de façon à ajuster la hauteur du lit.According to another feature, under the first amounts of the frame are fixed extensions so as to adjust the height of the bed.

Selon une autre particularité, au moins deux bras de longueur identique, relient chacun la structure supérieure et la structure inférieure et sont montés pivotant sur chaque structure pour faire pivoter la structure supérieure par rapport à la structure inférieure dans des plans parallèles au sol et des moyens de rappel ainsi que des moyens d'amortissement agissent respectivement sur le pivotement d'au moins un de ces bras.According to another feature, at least two arms of identical length, each connect the upper structure and the lower structure and are pivotally mounted on each structure to pivot the upper structure relative to the lower structure in planes parallel to the ground and means as well as damping means respectively act on the pivoting of at least one of these arms.

Selon une autre particularité, les moyens de rappel du châssis sont constitués d'au moins un ressort comportant une extrémité reliée à un bras et son autre extrémité reliée à un plot inférieur, ces moyens de rappel agissant sur le pivotement du bras pour amener la structure supérieure dans sa position haute ou de repos dans laquelle l'axe longitudinal des bras est sensiblement perpendiculaire au sol.According to another particularity, the return means of the frame consist of at least one spring having an end connected to an arm and its other end connected to a lower pad, these biasing means acting on the pivoting of the arm to bring the structure upper in its high position or rest in which the longitudinal axis of the arms is substantially perpendicular to the ground.

Selon une autre particularité, les moyens d'amortissement, du châssis sont constitués d'au moins un vérin comportant une extrémité reliée à un bras et son autre extrémité reliée à la structure inférieure, ces moyens d'amortissement agissant sur le pivotement du bras pour amener la structure supérieure dans sa position haute ou de repos dans laquelle l'axe longitudinal des bras est sensiblement perpendiculaire au sol.According to another feature, the damping means of the frame consist of at least one jack having an end connected to an arm and its other end connected to the lower structure, these damping means acting on the pivoting of the arm for bring the structure upper in its high position or rest in which the longitudinal axis of the arms is substantially perpendicular to the ground.

Selon une autre particularité, les deux montants de la structure inférieure sont reliés par un montant transversal pour former un H.According to another feature, the two uprights of the lower structure are connected by a transverse upright to form an H.

Selon une autre particularité, les montants de la structure supérieure ont une section transversale en forme de U inversé d'écartement suffisant pour recevoir le moyen de rappel lorsque la structure supérieure est en position basse.In another feature, the uprights of the upper structure have an inverted U-shaped cross-sectional area sufficient to receive the biasing means when the upper structure is in the down position.

D'autres particularités et avantages de la présente invention apparaîtront plus clairement à la lecture de la description ci-après, faite en référence aux dessins annexés, dans lesquels :

  • La figure 1 représente une vue en perspective d'un exemple de réalisation du châssis support selon l'invention en position haute.
  • La figure 2 représente, une vue de côté, d'un exemple de réalisation du châssis support, en position basse.
  • La figure 3 représente une vue de côte, d'un exemple de réalisation du châssis support, en position haute, avec sommier et matelas.
  • La figure 3a (détail de la figure 3) représente une vue de coté d'un exemple de réalisation du mécanisme de blocage.
  • Les figures 4a à 4c représentent le mécanisme de blocage pour différentes positions du châssis support de lit.
  • Les figures 4d et 4e représentent le mécanisme de blocage respectivement juste avant le passage de la position haute à la position intermédiaire, et juste après le passage de la position intermédiaire vers la position basse (désengagement du cliquet).
  • La figure 5 représente une vue en perspective d'un exemple de réalisation des barres de jumelage du support de lit.
  • La figure 6 représente une vue en perspective d'un exemple de réalisation du châssis support équipé de réhausses.
Other features and advantages of the present invention will appear more clearly on reading the description below, made with reference to the accompanying drawings, in which:
  • The figure 1 represents a perspective view of an exemplary embodiment of the support frame according to the invention in the high position.
  • The figure 2 is a side view of an embodiment of the support frame, in the low position.
  • The figure 3 represents a side view of an exemplary embodiment of the support frame, in the upper position, with bed base and mattress.
  • The figure 3a (detail of the figure 3 ) represents a side view of an embodiment of the locking mechanism.
  • The Figures 4a to 4c represent the locking mechanism for different positions of the bed support frame.
  • The Figures 4d and 4e represent the locking mechanism respectively just before the passage from the high position to the intermediate position, and just after the transition from the intermediate position to the low position (disengagement of the pawl).
  • The figure 5 represents a perspective view of an exemplary embodiment of the bed support twinning bars.
  • The figure 6 represents a perspective view of an exemplary embodiment of the support frame equipped with extensions.

L'invention va à présent être décrite en référence aux figures précédemment citées. Le châssis (1) support de lit, selon l'invention, est destiné à supporter un sommier (2) et un matelas (3) pour former un lit, comme représenté en figure 3. De façon préférentielle, ce châssis (1) support aura des dimensions conventionnelles pour un lit par exemple d'une place ou de deux places.The invention will now be described with reference to the figures mentioned above. The frame (1) bed support, according to the invention, is intended to support a bed base (2) and a mattress (3) to form a bed, as shown in FIG. figure 3 . Preferably, this frame (1) support will have conventional dimensions for a bed for example of a place or two places.

Dans certains modes de réalisation, le châssis (1) support selon l'invention est symétrique par rapport à un plan vertical, dit plan de symétrie. Il comprend, par exemple et de façon non limitative, deux premiers montants (10, 11) allongés chacun suivant un axe dit longitudinal. Ces deux premiers montants (10, 11) sont identiques, par exemple et de façon non limitative, creux et de section transversale carrée. Ces deux premiers montants (10, 11) sont disposés parallèlement sur le sol, symétriquement par rapport au plan de symétrie. Ils sont reliés l'un avec l'autre par un montant transversal (12). Dans certain mode de réalisation, ce montant transversal (12) sera fixé, par exemple, sensiblement au deux tiers de chaque premier montant (10, 11).In some embodiments, the frame (1) support according to the invention is symmetrical with respect to a vertical plane, said plane of symmetry. It comprises, for example and without limitation, two first uprights (10, 11) each elongated along a longitudinal axis said. These first two uprights (10, 11) are identical, for example and without limitation, hollow and square cross section. These first two uprights (10, 11) are arranged parallel to the ground, symmetrically with respect to the plane of symmetry. They are connected to each other by a transverse amount (12). In some embodiments, this transverse amount (12) will be fixed, for example, substantially to two-thirds of each first amount (10, 11).

Selon certains modes de réalisation, sur chacun des premiers montants (10, 11), deux bras (30, 31, 40, 41) sont fixés par une de leur extrémité. Les deux bras (30, 31, 40, 41) de chaque premier montant (10, 11) sont fixés par leur autre extrémité à un deuxième montant (20, 21) situé au-dessus de chaque premier montant (10, 11). Ces deuxièmes montants (20, 21) sont allongés suivant leur axe longitudinal et ont une section transversale en forme de U inversé. Les axes longitudinaux de ces deuxièmes montants (20, 21) sont parallèles entre eux et parallèles aux axes longitudinaux des premiers montants. L'axe longitudinal de chaque deuxième montant (20, 21) est compris dans un même plan vertical, dit plan de pivotement, parallèle au plan de symétrie, que l'axe longitudinal du premier montant (10, 11) auquel le deuxième montant (20, 21) est relié.According to some embodiments, on each of the first uprights (10, 11), two arms (30, 31, 40, 41) are fixed by one of their end. The two arms (30, 31, 40, 41) of each first post (10, 11) are fixed at their other end to a second post (20, 21) located above each first post (10, 11). These second uprights (20, 21) are elongate along their longitudinal axis and have an inverted U-shaped cross section. The longitudinal axes of these second uprights (20, 21) are parallel to each other and parallel to the longitudinal axes of the first uprights. The longitudinal axis of each second upright (20, 21) lies in the same vertical plane, called the pivot plane, parallel to the plane of symmetry, that the longitudinal axis of the first upright (10, 11) to which the second upright (20, 21) is connected.

Dans certains modes de réalisation, les bras (30, 31, 40, 41) sont tous identiques et sont disposés symétriquement par rapport au plan de symétrie. Ils sont chacun montés pivotant à chacune de leurs extrémités sur le premier (10, 11) et le deuxième (20, 21) montants qu'ils relient. Les bras (30, 31, 40, 41) sont montés sur les montants de sorte que les axes longitudinaux des deuxièmes montants (20, 21) soient toujours compris, même lors du pivotement des bras (30, 31, 40, 41), dans un même plan horizontal parallèle au sol. Les deux bras (30, 31, 40, 41) reliant un premier montant (10, 11) à un deuxième montant (20, 21) pivotent suivant le plan vertical de pivotement, parallèle au plan de symétrie, comprenant les axes longitudinaux des montants qu'ils relient. Ainsi, le châssis forme un parallélogramme déformable par pression sur la structure (20, 21) supérieure du châssis, les points d'articulation reliant les structures inférieure (10, 11, 12) et supérieure (20, 21) aux bras (30, 31, 40, 41) étant fixes. La structure (20, 21) supérieure est mobile par déplacement par rapport à la structure (10, 11, 12) inférieure dans des plans parallèles au sol.In some embodiments, the arms (30, 31, 40, 41) are all identical and are arranged symmetrically with respect to the plane of symmetry. They are each pivotally mounted at each of their ends on the first (10, 11) and second (20, 21) amounts they connect. The arms (30, 31, 40, 41) are mounted on the uprights so that the longitudinal axes of the second uprights (20, 21) are always included, even when the arms (30, 31, 40, 41) are pivoted, in the same horizontal plane parallel to the ground. The two arms (30, 31, 40, 41) connecting a first upright (10, 11) to a second upright (20, 21) pivot in the vertical plane of rotation, parallel to the plane of symmetry, comprising the longitudinal axes of the uprights that they connect. Thus, the chassis forms a deformable parallelogram by pressure on the upper frame structure (20, 21), the hinge points connecting the lower (10, 11, 12) and upper (20, 21) structures to the arms (30, 21). 31, 40, 41) being fixed. The upper structure (20, 21) is displaceably movable relative to the lower structure (10, 11, 12) in planes parallel to the ground.

Dans certains modes de réalisation, les deux premiers bras (40, 41), symétriques par rapport au plan de symétrie, ont une de leurs extrémités fixée sur le premier montant (10, 11) à proximité d'une extrémité, dite première extrémité, de ce premier montant (10, 11). Les deux autres bras symétriques par rapport au plan de symétrie, dits seconds bras (30, 31), ont une de leurs extrémités fixée au premier montant (10, 11), par exemple sensiblement au deux tiers de celui-ci en partant de sa première extrémité. Les seconds bras (30, 31) ont leur deuxième extrémité fixée au deuxième montant (20, 21) à proximité d'une extrémité, dite première extrémité, de ce second montant (20, 21). Les premiers bras (40, 41) ont leur deuxième extrémité fixée au deuxième montant (20, 21) par exemple sensiblement au deux tiers de celui-ci en partant de sa première extrémité.In some embodiments, the first two arms (40, 41), symmetrical with respect to the plane of symmetry, have one of their ends fixed on the first upright (10, 11) near an end, said first end, of this first amount (10, 11). The other two arms symmetrical with respect to the plane of symmetry, said second arms (30, 31), have one of their ends fixed to the first upright (10, 11), for example substantially two-thirds of it from its first end. The second arms (30, 31) have their second end fixed to the second upright (20, 21) near an end, said first end, of the second upright (20, 21). The first arms (40, 41) have their second end fixed to the second upright (20, 21) for example substantially two-thirds of it from its first end.

Dans certains modes de réalisation, les premiers (40, 41) et seconds bras (30, 31) sont reliés deux à deux par une barre (80, 81). Chacune de ces barres permet de solidariser les deux bras (30, 31, 40, 41) symétriques qu'elle relie et donc de synchroniser le mouvement de pivotement de ces deux bras (30, 31, 40, 41) afin que ce mouvement soit uniforme des deux côtés du châssis (1). De façon avantageuse, ces barres (80, 81) permettent également de rigidifier la structure du châssis (1).In some embodiments, the first (40, 41) and second (30, 31) arms are connected in pairs by a bar (80, 81). Each of these bars makes it possible to secure the two symmetrical arms (30, 31, 40, 41) that it connects and thus to synchronize the pivoting movement of these two arms (30, 31, 40, 41) so that this movement is uniform on both sides of the frame (1). Advantageously, these bars (80, 81) also make it possible to stiffen the structure of the frame (1).

Dans certains mode de réalisation, au moins une des barres (80, 81) a une forme en V dont les branches forment un angle, par exemple, obtus. Lorsque les bras (30, 31, 40, 41) sont en position sensiblement verticale, la pointe du V d'au moins une barre (80, 81) est orientée vers l'extérieur du châssis (1).In some embodiments, at least one of the bars (80, 81) has a V-shape whose branches form an angle, for example, obtuse. When the arms (30, 31, 40, 41) are in a substantially vertical position, the tip of the V of at least one bar (80, 81) is oriented towards the outside of the frame (1).

Selon un mode de réalisation, la barre (80) reliant les premiers bras (40, 41) est fixée sur chaque bras (40, 41) plus proche de son extrémité fixée sur le premier montant (10, 11) que de son autre extrémité fixée au deuxième montant (20, 21). Pour les seconds bras (30, 31), il s'agit de l'inverse, la barre (81) est fixée sur chaque bras (30, 31) plus proche de son extrémité fixée sur le deuxième montant (20, 21) que de son autre extrémité fixée au premier montant (10, 11)According to one embodiment, the bar (80) connecting the first arms (40, 41) is fixed on each arm (40, 41) closer to its end fixed to the first upright (10, 11) than its other end. attached to the second amount (20, 21). For the second arms (30, 31), it is the opposite, the bar (81) is fixed on each arm (30, 31) closer to its end fixed on the second upright (20, 21) than its other end fixed to the first upright (10, 11)

Dans certains modes de réalisations, le châssis (1) support de lit comporte des moyens de blocage aptes à stabiliser le lit dans un plan substantiellement parallèle au sol à une hauteur intermédiaire entre la position basse et la position haute. Les moyens de blocage comportent une première joue (121) montée solidairement sur au moins un bras (40 ou 41) et une seconde joue (122) montée solidairement sur au moins un des deuxièmes montants (20 ou 21)en vis-à-vis de la première joue (121). Sur cette première joue (121), est monté pivotant un cliquet (123) dont une extrémité est relié à cette dernière par un moyen de rappel élastique (124), comme par exemple et de façon non limitative, un ressort.In some embodiments, the frame (1) bed support comprises locking means capable of stabilizing the bed in a plane substantially parallel to the ground at a height between the intermediate low position and the high position. The locking means comprise a first cheek (121) integrally mounted on at least one arm (40 or 41) and a second cheek (122) integrally mounted on at least one of the second uprights (20 or 21) facing each other. of the first cheek (121). On this first cheek (121) is pivotally mounted a pawl (123), one end of which is connected thereto by a resilient biasing means (124), such as for example and not limited to a spring.

En référence aux figures 4a à 4e, lorsque le châssis passe de la position basse (Figure 4a) à la position haute (Figure 4b), le cliquet (123) glisse le long du bord incliné de la seconde joue (122) puis continue au delà de la seconde joue. Partant de la position basse, les moyens de rappel (R, R1, R2) autorisent le châssis à passer progressivement dans la position haute. Lorsque le châssis est dans la position basse, le moyen de rappel élastique (124) maintient le cliquet (123) dans une position de repos de telle sorte que l'angle formé par l'axe (Δ1) du cliquet et l'axe longitudinal (Δ2) du moyen de rappel élastique (124) est stabilisé à une valeur α, le moyen de rappel élastique (124) exerçant un moment de force sur le cliquet (123) et le pivot (P) étant le point d'attache du cliquet (123) à la première joue (121). Lors du passage de la position basse à la position haute, la rotation de la première joue (121) par rapport à la seconde joue (122) tend d'une part à réduire la hauteur relative (h) du pivot (P) par rapport à une partie de la structure (20, 21) supérieure, et d'autre part à augmenter la distance (d) horizontale entre le pivot (P) et le bord incliné de la seconde joue (122). Ainsi, seul un bord (123d) du cliquet (123) est susceptible de rentrer en contact avec les becs (127, 128) de la seconde joue (122), et de glisser le long de la seconde joue (122) jusqu'à atteindre la position représentée sur la figure 4b, décrivant la position haute du châssis (1).With reference to Figures 4a to 4e when the chassis moves from the low position ( Figure 4a ) at the high position ( Figure 4b ), the pawl (123) slides along the inclined edge of the second cheek (122) and continues beyond the second cheek. Starting from the low position, the return means (R, R1, R2) allow the chassis to progressively move to the high position. When the chassis is in the low position, the elastic return means (124) keeps the pawl (123) in a rest position such that the angle formed by the axis (Δ1) of the pawl and the longitudinal axis (Δ2) of the elastic return means (124) is stabilized at a value α, the elastic return means (124) exerting a moment of force on the pawl (123) and the pivot (P) being the point of attachment of the ratchet (123) to the first cheek (121). When moving from the low position to the high position, the rotation of the first cheek (121) relative to the second cheek (122) tends on the one hand to reduce the relative height (h) of the pivot (P) relative to to a part of the upper structure (20, 21), and on the other hand to increase the distance (d) horizontal between the pivot (P) and the inclined edge of the second cheek (122). Thus, only one edge (123d) of the pawl (123) is able to come into contact with the nozzles (127, 128) of the second cheek (122), and to slide along the second cheek (122) to reach the position represented on the figure 4b , describing the high position of the frame (1).

Suivant un mode de réalisation non limitatif, le châssis (1) support de lit, en position haute, s'élève à environ 55 cm du sol. L'ensemble sommier, matelas mesurant environ de 70 à 75 cm, le lit en position haute s'élève donc à environ 1,30 m du sol. Cette hauteur étant inconfortable pour l'arrangement du lit, il est nécessaire de redescendre l'ensemble à une hauteur de travail d'environ 90 cm. Pour cela, la personne chargée de l'entretien appuie sur le lit, la force ainsi imprimée sur le châssis (1) étant supérieure à la force de rappel des moyens de rappel (R, R1, R2). Lorsque le châssis (1) se déplace de la position haute (Figure 4b) vers la position intermédiaire (Figure 4c), la rotation de la première joue (121) par rapport à la seconde joue (122) tend d'une part à augmenter la hauteur (h) relative du cliquet (123) par rapport à une partie de la structure (20, 21) supérieure, et d'autre part à réduire la distance (d) horizontale entre le pivot (P) et le bord incliné de la seconde joue (122). Cela va induire dans un premier temps le contact entre le bord (123a) du cliquet et la partie concave (126) de la seconde joue (122), puis dans un second temps, la rotation se poursuivant, le contact entre le bord (123b) du cliquet et le bec (128) de la seconde joue (122). La poursuite de la rotation de la première joue (121) par rapport à la seconde joue (122) induit une rotation dans le sens antihoraire du cliquet autour du pivot (P) et la tension du moyen de rappel élastique (124). Ainsi, l'angle formé par les deux axes Δ1 et Δ2 augmente jusqu'à une valeur γ, au moment précédent l'engagement du cliquet (123) dans l'encoche (125), en référence à la figure 4d. A l'instant précis où le cliquet (123) s'engage dans l'encoche (125), caractéristique de la position intermédiaire représentée sur la figure 4c, le moyen de rappel élastique (124) rappelle brusquement le cliquet qui réalise une rotation horaire de telle sorte que les deux axes Δ1 et Δ2 forment un angle β inférieur à γ. Ainsi, le cliquet vient s'engager dans l'encoche (125) de la première joue en faisant un bruit de cliquetis. De façon avantageuse, ce cliquetis permet de confirmer le verrouillage du châssis dans sa position intermédiaire entre la position basse et la position haute. Le verrouillage ainsi réalisé est suffisamment robuste pour s'opposer à la force de rappel exercée par les moyens de rappel (R, R1, R2) depuis la position intermédiaire, et qui ont tendance à faire pivoter les bras (30, 31, 40, 41) dans le sens horaire. Depuis la position intermédiaire, la personne chargée de l'entretien peut appliquer une nouvelle pression sur le lit de manière à faire pivoter les bras (30, 31, 40, 41) dans le sens antihoraire, et à débloquer le cliquet (123) engagé dans l'encoche (125) de la seconde joue (122). En effet, lorsque l'utilisateur appuie sur le lit, les joues (121, 122) poursuivent leur mouvement rotatif l'une par rapport à l'autre, induisant l'augmentation de la hauteur h et la diminution de la distance d. Le bord (123b) du cliquet va ainsi glisser le long du bec (127) de la seconde joue jusqu'à ce que la pointe (1 23c) du cliquet dépasse le bec (127) de la seconde joue, ce qui désengage totalement le cliquet (123) de l'encoche (125) de la seconde joue (122) et dégage le châssis (1) de la position intermédiaire. Le moment précédent juste le désengagement total du cliquet (123) de l'encoche (125) est représenté figure 4e. Une fois le cliquet (123) désengagé de l'encoche (125), le moyen de rappel élastique (124) rappelle le cliquet dans sa position de repos, les axes Δ1 et Δ2 formant de nouveau un angle de valeur α.According to a non-limiting embodiment, the frame (1) bed support, in the high position, is about 55 cm from the ground. The bed base, mattress measuring approximately 70 to 75 cm, the bed in the high position is therefore about 1.30 m from the ground. This height is uncomfortable for the arrangement of the bed, it is necessary to lower the set to a working height of about 90 cm. For this, the person responsible for maintenance presses on the bed, the force thus printed on the frame (1) being greater than the restoring force of the return means (R, R1, R2). When the chassis (1) moves from the high position ( Figure 4b ) to the intermediate position ( Figure 4c ), the rotation of the first cheek (121) relative to the second cheek (122) tends on the one hand to increase the relative height (h) of the pawl (123) relative to a part of the upper structure (20, 21), and secondly to reduce the distance (d) between the horizontal pivot (P) and the inclined edge of the second flange (122). This will initially induce the contact between the edge (123a) of the pawl and the concave portion (126) of the second cheek (122), then in a second step, the rotation continuing, the contact between the edge (123b ) of the pawl and the spout (128) of the second cheek (122). Continued rotation of the first cheek (121) relative to the second cheek (122) induces rotation in the counterclockwise direction of the pawl about the pivot (P) and the tension of the elastic return means (124). Thus, the angle formed by the two axes Δ1 and Δ2 increases to a value γ, the moment before the engagement of the pawl (123) in the notch (125), with reference to the figure 4d . At the precise moment when the pawl (123) engages in the notch (125), characteristic of the intermediate position represented on the figure 4c , the elastic return means (124) recalls sharply the pawl which performs a clockwise rotation so that the two axes Δ1 and Δ2 form an angle β less than γ. Thus, the pawl is engaged in the notch (125) of the first cheek making a rattling noise. Advantageously, this clicking makes it possible to confirm the locking of the frame in its intermediate position between the low position and the high position. The locking thus produced is sufficiently robust to oppose the restoring force exerted by the return means (R, R1, R2) from the intermediate position, and which tends to rotate the arms (30, 31, 40, 41) clockwise. From the intermediate position, the person in charge of maintenance can apply a new pressure on the bed so as to rotate the arms (30, 31, 40, 41) counterclockwise, and to unlock the pawl (123) engaged in the notch (125) of the second cheek (122). Indeed, when the user presses on the bed, the cheeks (121, 122) continue their rotary movement relative to each other, causing the increase in height h and the decrease in distance d. The edge (123b) of the pawl will thus slide along the nose (127) of the second cheek until the tip (1 23c) of the pawl exceeds the nose (127) of the second cheek, which completely disengages the ratchet (123) of the notch (125) of the second cheek (122) and releases the frame (1) from the intermediate position. The previous moment just the total disengagement of the pawl (123) from the notch (125) is shown figure 4e . Once the pawl (123) disengaged from the notch (125), the elastic return means (124) recalls the pawl in its rest position, the axes Δ1 and Δ2 again forming an angle of value α.

L'utilisateur a alors le choix soit de maintenir la pression sur la structure pour s'opposer à la force de rappel des moyens de rappel (R, R1, R2), jusqu'à ce que la position basse soit atteinte, soit de relâcher totalement le lit afin que les moyens de rappel (R, R1, R2) assurent le retour du lit à la position haute.The user then has the choice to maintain the pressure on the structure to oppose the restoring force of the return means (R, R1, R2), until the lower position is reached, or to release completely the bed so that the return means (R, R1, R2) ensure the return of the bed to the high position.

En référence à la figure 3, Dans certains modes de réalisation, sur chacun des seconds bras (30, 31), est fixée une première extrémité d'un moyen de rappel comme par exemple et de façon non restrictive, un ressort (R1, R2) dont la seconde extrémité est fixée au premier montant (10, 11) sur lequel le bras (30, 31) est monté.With reference to the figure 3 In certain embodiments, on each of the second arms (30, 31) is fixed a first end of a return means such as, for example and without limitation, a spring (R1, R2) whose second end is fixed to the first upright (10, 11) on which the arm (30, 31) is mounted.

Dans d'autres modes de réalisation, sur chaque premier montant (10, 11), entre les deux bras (30, 31, 40, 41), au niveau du point de fixation du montant transversal (12) sur ce premier montant (10, 11), se dresse un plot (60, 61) de hauteur déterminée inférieure à la longueur des bras (30, 31, 40, 41). A proximité de l'extrémité libre de ce plot (60, 61) est fixée la deuxième extrémité du ressort (R1, R2). Les axes des ressorts (R1, R2) sont situés dans le plan vertical de pivotement. Lorsque les bras (30, 31, 40, 41) sont dans une position sensiblement verticale, les axes des ressorts (R1, R2) sont compris dans un même plan horizontal parallèle au sol.In other embodiments, on each first post (10, 11), between the two arms (30, 31, 40, 41), at the point of attachment of the transverse post (12) on this first post (10). , 11), stands a stud (60, 61) of determined height less than the length of the arms (30, 31, 40, 41). Near the free end of this stud (60, 61) is fixed the second end of the spring (R1, R2). The axes of the springs (R1, R2) are located in the vertical plane of pivoting. When the arms (30, 31, 40, 41) are in a substantially vertical position, the axes of the springs (R1, R2) are included in the same horizontal plane parallel to the ground.

Dans certains modes de réalisation, le châssis support de lit ne comporte qu'un seul moyen de rappel. Ce moyen de rappel peut, par exemple, être un ressort (R) placé entre une des barres (80, 81) reliant les premiers bras (40, 41) ou les second bras (30, 31) et le montant transversal (12). Dans d'autres modes de réalisation, une des extrémités du ressort (R) est, par exemple, fixée à une extrémité d'un plot (66), de hauteur déterminée inférieure à la longueur des bras (30, 31, 40, 41), s'étendant vers le haut et fixé sur le montant transversal (12), sensiblement en son milieu. La seconde extrémité du ressort (R) peut, par exemple, être fixée à une des extrémités d'un plot (67) fixé sur une région sensiblement centrale d'une des barres (80, 81) reliant les premiers bras (40, 41) ou les second bras (30, 31). L'axe du ressort (R) est situé dans le plan vertical de pivotement. Lorsque les bras (30, 31, 40, 41) sont dans une position sensiblement verticale, l'axe du ressort (R) est compris dans un même plan horizontal parallèle au sol.In some embodiments, the bed support frame has only one biasing means. This return means may, for example, be a spring (R) placed between one of the bars (80, 81) connecting the first arms (40, 41) or the second arms (30, 31) and the transverse post (12). . In other embodiments, one of the ends of the spring (R) is, for example, fixed to an end of a stud (66) of determined height. less than the length of the arms (30, 31, 40, 41), extending upwards and fixed to the transverse post (12), substantially in the middle. The second end of the spring (R) may, for example, be fixed to one end of a stud (67) fixed on a substantially central region of one of the bars (80, 81) connecting the first arms (40, 41). ) or the second arms (30, 31). The axis of the spring (R) is located in the vertical plane of pivoting. When the arms (30, 31, 40, 41) are in a substantially vertical position, the axis of the spring (R) is included in the same horizontal plane parallel to the ground.

Les ressorts (R1, R2) symétriques constituent donc des moyens de rappel au pivotement des premiers bras (40, 41) sur lesquels ils sont fixés. De même, dans le cas d'un ressort unique (R), ce dernier constitue un moyen de rappel au pivotement des premiers bras (40, 41). Les ressorts sont au repos lorsque les deuxièmes montants (20, 21) sont en position haute, c'est-à-dire lorsque les axes longitudinaux des bras (30, 31, 40, 41) sont sensiblement perpendiculaires aux axes longitudinaux des montants (10, 11, 20, 21) qu'ils relient. Le rappel est donc exercé par les ressorts (R, R1, R2) vers cette position haute, représentée en figure 3. Tous les bras (30, 31, 40, 41) sont en outre bloqués en pivotement et ne peuvent pivoter, dans le sens du rappel (représenté par la flèche sur la figure 3) exercé par les ressorts (R, R1, R2), au-delà de leur position verticale.The symmetrical springs (R1, R2) thus constitute pivoting return means of the first arms (40, 41) to which they are attached. Similarly, in the case of a single spring (R), the latter is a means of return to pivoting of the first arms (40, 41). The springs are at rest when the second uprights (20, 21) are in the up position, that is to say when the longitudinal axes of the arms (30, 31, 40, 41) are substantially perpendicular to the longitudinal axes of the uprights ( 10, 11, 20, 21) that they connect. The return is thus exerted by the springs (R, R1, R2) towards this high position, represented in figure 3 . All the arms (30, 31, 40, 41) are furthermore pivotally locked and can not pivot in the direction of the return (represented by the arrow on the figure 3 ) exerted by the springs (R, R1, R2), beyond their vertical position.

En faisant pivoter les bras (30, 31, 40, 41) dans le sens contraire au sens du rappel exercé par les ressorts (R, R1, R2), par exemple en appuyant sur les deuxièmes montants (20, 21), les ressorts (R, R1, R2) s'étirent.By pivoting the arms (30, 31, 40, 41) in the opposite direction to the direction of the return by the springs (R, R1, R2), for example by pressing on the second uprights (20, 21), the springs (R, R1, R2) stretch.

Dans certains modes de réalisation, sur la première extrémité de chaque deuxième montant (20, 21) est fixé un crochet (70, 71) pivotant dans son plan de pivotement respectif, permettant d'accrocher chaque deuxième montant (20, 21) au premier montant (10, 11) qu'il surplombe pour ainsi, en s'opposant au rappel exercé par les ressorts (R, R1, R2) sur les seconds bras (30, 31), bloquer le pivotement des bras (30, 31, 40, 41) dans le sens du rappel et maintenir le châssis (1) support selon l'invention en position dite basse, comme représenté figure 2.In some embodiments, on the first end of each second upright (20, 21) is fixed a hook (70, 71) pivoting in its respective pivoting plane, for hanging each second upright (20, 21) at the first upright (10, 11) so that, by opposing the return of the springs (R, R1, R2) on the second arms (30, 31), the pivoting of the arms (30, 31, 40, 41) in the direction of the return and maintain the frame (1) support according to the invention in said low position, as shown figure 2 .

Dans certains modes de réalisation, l'extrémité des crochets (70, 71) vient se loger, par exemple, dans la partie creuse (100, 110) des premiers montants (10, 11). Selon l'invention, sur chaque crochet (70, 71) est monté un ressort de rappel (R7) vers une position de repos. Les crochets (70, 71), en position de repos, sont, par exemple, chacun en butée contre le plot (64, 65) situé à proximité d'eux. Chaque crochet présente à son extrémité une partie (700) en pente formant une rampe destinée à venir glisser, grâce à l'action du ressort du crochet, lors de la descente du châssis (1) de sa position haute vers sa position basse, sur l'arête transversale supérieure de la section extrême du premier montant (10, 11) correspondant. Le ressort de rappel des crochets (70, 71) permet alors de créer un encliquetage et un verrouillage des crochets dans la partie creuse (100, 110) du premier montant (10, 11) correspondant.In some embodiments, the end of the hooks (70, 71) is housed, for example, in the hollow portion (100, 110) of the first uprights (10, 11). According to the invention, on each hook (70, 71) is mounted a return spring (R7) to a rest position. The hooks (70, 71), in the rest position, are, for example, each abutting against the stud (64, 65) located near them. Each hook has at its end a portion (700) sloping forming a ramp intended to come to slide, thanks to the action of the spring hook, when lowering the frame (1) from its upper position to its lower position, on the upper transverse edge of the end section of the corresponding first upright (10, 11). The return spring of the hooks (70, 71) then makes it possible to create a latching and locking of the hooks in the hollow portion (100, 110) of the corresponding first upright (10, 11).

Dans certains modes de réalisation, les deux crochets (70, 71) sont reliés par une barre (72), dont l'axe est sensiblement perpendiculaire au plan de symétrie. Cette barre (72) permet de manipuler les crochets (70, 71) simultanément. Lorsque le châssis (1) est verrouillé en position basse, en tirant sur cette barre (72) de déblocage, les crochets sont libérés de leur position et le châssis (1) remonte progressivement jusqu'à sa position haute. Selon un mode de réalisation préférentiel, la taille es plats (62, 63, 64, 65) de butée en position basse et/ou celle des crochets (70, 71) sont ajustées de sorte qu'en position basse (figures 1, et 2), l'accrochage des crochets (70, 71) sur les premiers montants (10, 11) soit parfait et leur décrochage, à l'aide de la barre (72), aisé.In some embodiments, the two hooks (70, 71) are connected by a bar (72) whose axis is substantially perpendicular to the plane of symmetry. This bar (72) makes it possible to manipulate the hooks (70, 71) simultaneously. When the frame (1) is locked in the low position, by pulling on this bar (72) of release, the hooks are released from their position and the frame (1) rises gradually to its upper position. According to a preferred embodiment, the flat abutment plates (62, 63, 64, 65) and / or the hooks (70, 71) are adjusted so that in the low position ( figures 1 , and 2 ), the hooking hooks (70, 71) on the first uprights (10, 11) is perfect and their stall, using the bar (72), easy.

Selon un autre mode de réalisation, un ressort de rappel des crochets (70, 71) est par exemple monté entre la barre (72) et un montant supérieur (20, 21), par exemple au niveau du point de fixation d'un second bras (30, 31) sur son deuxième montant (20, 21).According to another embodiment, a return spring hooks (70, 71) is for example mounted between the bar (72) and an upper post (20, 21), for example at the point of attachment of a second arm (30, 31) on its second leg (20, 21).

Dans d'autres modes de réalisation, au moins une pédale (75) est fixée, sur la barre (72) reliant les crochets (70, 71), suivant une direction sensiblement perpendiculaire à l'axe de la barre de façon à faciliter le déblocage des crochets (70, 71) pour libérer la force du ressort actionnant la levée du lit. Cette pédale (75) pourra, par exemple et de façon non limitative, être formée d'une bielle placée proche des extrémités de la barre (72) reliant les moyens de maintien (70, 71).In other embodiments, at least one pedal (75) is fixed on the bar (72) connecting the hooks (70, 71), in a direction substantially perpendicular to the axis of the bar so as to facilitate the releasing the hooks (70, 71) to release the force of the spring actuating the lifting of the bed. This pedal (75) may, for example and without limitation, be formed of a rod placed near the ends of the bar (72) connecting the holding means (70, 71).

Lorsque deux lits doivent être jumelés, par exemple pour former un lit double, il est nécessaire d'actionner les moyens de maintien (70, 71) du châssis dans une position basse, simultanément. Pour cela, dans certains modes de réalisation, dans la barre (72) reliant les moyens (70, 71) de maintien, est insérée une seconde barre (720) de jumelage. Cette seconde barre (720) est de même section et de dimensions transversales légèrement inférieures à celles de la barre (72) reliant les moyens de maintien (70, 71). Cette seconde barre (720) de jumelage est montée coulissante à l'intérieur de la barre (72) reliant les moyens de maintien (70, 71). Cette seconde barre (720) de jumelage est destinée à relier les deux barres reliant les moyens de maintien des deux lits à accoupler. Ainsi, le déblocage d'un moyens de maintien (70, 71) entraine la levée des deux lits simultanément.When two beds are to be twinned, for example to form a double bed, it is necessary to operate the holding means (70, 71) of the frame in a low position, simultaneously. For this, in some embodiments, in the bar (72) connecting the holding means (70, 71), is inserted a second bar (720) pairing. This second bar (720) is of the same section and slightly smaller transverse dimensions than those of the bar (72) connecting the holding means (70, 71). This second pairing bar (720) is slidably mounted inside the bar (72) connecting the holding means (70, 71). This second bar (720) pairing is intended to connect the two bars connecting the holding means of the two beds to be coupled. Thus, the unblocking of a holding means (70, 71) causes the lifting of the two beds simultaneously.

Dans certains modes de réalisation, la barre (72) est, par exemple et de façon non limitative, de section carrée comme illustré figure 2 ou de section ronde comme illustré figure 1.In some embodiments, the bar (72) is, for example and without limitation, of square section as illustrated. figure 2 or round section as illustrated figure 1 .

Dans certains modes de réalisation, la barre (72) comporte une rainure (721) s'étendant longitudinalement sur un de ses cotés entre les moyens de maintien (70, 71). Un moyen de blocage (722), comme par exemple et de façon non limitative, un élément fileté ou une vis, est vissé sur la barre (720) de jumelage et traverse la rainure (721). Ce moyen de blocage (722) permet de verrouiller la barre (720) de jumelage à l'intérieur de la barre (72).In some embodiments, the bar (72) has a groove (721) extending longitudinally on one of its sides between the holding means (70, 71). Locking means (722), such as for example and without limitation, a threaded element or a screw, is screwed onto the bar (720) of twinning and passes through the groove (721). This blocking means (722) makes it possible to lock the pairing bar (720) inside the bar (72).

Dans d'autres modes de réalisation, la barre (72) ne comporte pas de rainure (721). Ce mode de réalisation correspond à celui de la barre (72) recevant la barre (720) de jumelage du lit à jumeler. La barre (720) reliant les moyens de maintien (70, 71) peut comporter, par exemple, un trou taraudé dans lequel est vissé un moyen de blocage (722), comme par exemple, un élément fileté. Cet élément fileté est destiné à bloquer la barre (720) de jumelage à l'intérieur de la barre (72) par exemple et de façon non limitative, par vissage.In other embodiments, the bar (72) does not have a groove (721). This embodiment corresponds to that of the bar (72) receiving the bar (720) of twinning of the bed to be twinned. The bar (720) connecting the holding means (70, 71) may comprise, for example, a tapped hole in which is screwed a locking means (722), such as, for example, a threaded element. This threaded element is intended to block the bar (720) of pairing inside the bar (72) for example and without limitation, by screwing.

Dans certains mode de réalisation, un plot (62, 63, 64, 65) s'étendant vers le bas est fixé à proximité de chaque extrémité de chaque deuxième montant (20, 21). Ces plots (62, 63, 64, 65) sont de hauteur légèrement supérieure, par exemple et de façon nullement restrictive, de 5 mm environ, à celle des plats (60, 61) des premiers montants (10, 11) pour constituer des moyens de butée dans sa position basse de la partie supérieure pivotée du châssis (1).In some embodiments, a downwardly extending pad (62, 63, 64, 65) is secured adjacent each end of each second post (20, 21). These studs (62, 63, 64, 65) are of slightly greater height, for example and in no way restrictive, about 5 mm, than that of the plates (60, 61) of the first uprights (10, 11) to constitute stop means in its lower position of the pivoted upper part of the frame (1).

Selon un autre mode de réalisation, lorsque le châssis (1) support est en position basse, comme représenté figure 2, les ressorts symétriques (R1, R2) viennent se loger dans le creux formé le long de chaque deuxième montant (20, 21) par la section transversale en U inversé. De même, dans cette position, l'extrémité de chacun des plots (60, 61) des premiers montants (10, 11) pénètre dans le creux formé par la section transversale en U inversé d'un deuxième montant (20, 21).According to another embodiment, when the frame (1) support is in the lower position, as shown figure 2 , the symmetrical springs (R1, R2) are housed in the hollow formed along each second upright (20, 21) by the inverted U-shaped cross section. Similarly, in this position, the end of each of the studs (60, 61) of the first uprights (10, 11) penetrates into the hollow formed by the inverted U-shaped cross section of a second upright (20, 21).

Dans certains modes de réalisation, comme illustré, par exemple, figure 6, sous les premiers montants (10,11) sont fixés des réhausses. Ces réhausses peuvent, par exemple et de façon non limitative, avoir la forme de 4 plots (101, 102, 111, 112) disposés à proximité de chaque extrémité de chaque premiers montants (10, 11) de façon, par exemple, à surélever la hauteur du lit.In some embodiments, as illustrated, for example, figure 6 under the first amounts (10,11) are fixed extensions. These extensions can, for example and without limitation, be in the form of 4 pads (101, 102, 111, 112) disposed near each end of each first uprights (10, 11) so, for example, to raise the height of the bed.

Dans certains modes de réalisation, le châssis (1) support de lit comporte des moyens d'amortissement au mouvement de rappel exercé par les ressorts (R1, R2). Ces moyens d'amortissement sont, par exemple et de façon non limitative, constitués d'un vérin (91) comportant un piston se déplaçant dans un cylindre (93) et sur lequel est fixée une tige (92). Le cylindre (93) est par exemple rempli de gaz pouvant passer de part et d'autre du piston par des conduits reliant les deux chambres du cylindre séparées par le piston. Le cylindre (93) est par exemple fixé au niveau de la pointe du V de la barre (80) reliant les premiers bras (40, 41), tandis que l'extrémité libre de la tige (92) est fixée sur le montant transversal (12), sensiblement en son milieu.In some embodiments, the frame (1) bed support comprises damping means to the return movement exerted by the springs (R1, R2). These damping means are, for example and without limitation, consist of a cylinder (91) having a piston moving in a cylinder (93) and on which is fixed a rod (92). The cylinder (93) is for example filled with gas that can pass on either side of the piston by ducts connecting the two separate chambers of the cylinder by the piston. The cylinder (93) is for example fixed at the tip of the V of the bar (80) connecting the first arms (40, 41), while the free end of the rod (92) is fixed on the transverse post (12), substantially in the middle.

Dans certains mode de réalisation, les moyens d'amortissement, au mouvement de rappel, peuvent être formés par deux vérins, par exemple, fixés entre chaque premiers bras (40, 41) et chaque premiers montants (10, 11). Le cylindre (93) de chaque moyen d'amortissement, est par exemple fixé sur chacun des premiers bras (40, 41) du châssis (1), tandis que l'extrémité libre de la tige (92) est fixée au premier montant (10, 11) sur lequel le bras (40, 41) est monté.In some embodiments, the damping means, with the return movement, can be formed by two jacks, for example, fixed between each first arm (40, 41) and each first uprights (10, 11). The cylinder (93) of each damping means, for example, is fixed on each of the first arms (40, 41) of the frame (1), whereas the free end of the rod (92) is fixed to the first upright ( 10, 11) on which the arm (40, 41) is mounted.

Selon un autre mode de réalisation, le châssis (1) support comporte des moyens d'amortissement (90, 91) au mouvement de rappel exercé par les ressorts (R1, R2). Ces moyens d'amortissement sont par exemple formés par un vérin (90, 91) comportant un piston se déplaçant dans un cylindre (93) et sur lequel est fixé une tige (92). Le cylindre (93) est par exemple rempli d'un fluide pouvant passer de part et d'autre du piston par des conduits reliant les deux chambres du cylindre séparées par le piston.According to another embodiment, the frame (1) support comprises damping means (90, 91) to the return movement exerted by the springs (R1, R2). These damping means are for example formed by a jack (90, 91) having a piston moving in a cylinder (93) and on which is fixed a rod (92). The cylinder (93) is for example filled with a fluid that can pass on either side of the piston by ducts connecting the two chambers of the cylinder separated by the piston.

Dans d'autres modes de réalisation, l'extrémité libre de la tige (92) de chaque moyen d'amortissement (90, 91), est fixée sur le plot (60, 61).In other embodiments, the free end of the rod (92) of each damping means (90, 91) is attached to the stud (60, 61).

Selon l'invention, une personne pourra facilement passer le châssis en position haute, par exemple pour faire le lit, en décrochant les crochets (70, 71) à l'aide de la barre (72). Le châssis sera remis facilement en position basse en appuyant dessus jusqu'à l'encliquetage des crochets (70, 71). Le lit sera utilisé en position basse et restera parfaitement stable et sûr dans cette position. Le passage en position haute se fera sans danger, de manière simple par action sur la pédale de déblocage, et non brusque du fait de la présence des moyens d'amortissement. Le passage de la position intermédiaire à la position haute se fera à l'aide d'une simple pression sur le lit de manière désengager le cliquet (123) de l'encoche (125) de la seconde joue (122). L'utilisateur relâche ensuite la pression exercée sur le lit et les moyens de rappel (R, R1, R2) assurent ensuite le passage à la position haute. Le passage de la position intermédiaire à la position basse se fera en appliquant une pression continue sur le lit, le désengagement du cliquet (123) de l'encoche (125) indiquant la sortie de la position intermédiaire vers la position basse. Afin d'atteindre la position basse finale, la personne chargée de l'entretien devra maintenir une pression continue sur le lit jusqu'à ce que la position basse soit atteinte. Dans certains modes de réalisation, des crochets (70, 71) s'opposant aux moyens de rappel (R, R1, R2) bloquent le lit dans la position basse. Les différents éléments constitutifs du châssis (1) tels que les montants (10, 11, 20, 21), les bras (30, 31, 40, 41), seront par exemple fabriqués en métal.According to the invention, a person can easily pass the frame in the high position, for example to make the bed, unhooking the hooks (70, 71) with the bar (72). The frame will be easily returned to the lower position by pressing on it until the hooks (70, 71) click into place. The bed will be used in low position and will remain perfectly stable and safe in this position. The passage in the high position will be safe, simply by action on the release pedal, and not abrupt because of the presence of damping means. The transition from the intermediate position to the high position will be done with a simple pressure on the bed so as to disengage the pawl (123) from the notch (125) of the second plays (122). The user then releases the pressure exerted on the bed and the return means (R, R1, R2) then ensure the passage to the high position. The transition from the intermediate position to the lower position will be done by applying a continuous pressure on the bed, the disengagement of the pawl (123) of the notch (125) indicating the output of the intermediate position to the low position. In order to reach the final low position, the person in charge of the maintenance will have to maintain a continuous pressure on the bed until the low position is reached. In some embodiments, hooks (70, 71) opposing the biasing means (R, R1, R2) block the bed in the down position. The various constituent elements of the frame (1) such as the uprights (10, 11, 20, 21), the arms (30, 31, 40, 41), will for example be made of metal.

La présente demande décrit diverses caractéristiques techniques et avantages en référence aux figures et/ou à divers modes de réalisation. L'homme de métier comprendra que les caractéristiques techniques d'un mode de réalisation donné peuvent en fait être combinées avec des caractéristiques d'un autre mode de réalisation à moins que l'inverse ne soit explicitement mentionné ou qu'il ne soit évident que ces caractéristiques sont incompatibles. De plus, les caractéristiques techniques décrites dans un mode de réalisation donné peuvent être isolées des autres caractéristiques de ce mode à moins que l'inverse ne soit explicitement mentionné.The present application describes various technical features and advantages with reference to the figures and / or various embodiments. Those skilled in the art will appreciate that the technical features of a given embodiment may in fact be combined with features of another embodiment unless the reverse is explicitly mentioned or it is evident that these features are incompatible. In addition, the technical features described in a given embodiment can be isolated from the other features of this mode unless the opposite is explicitly mentioned.

Il doit être évident pour les personnes versées dans l'art que la présente invention permet des modes de réalisation sous de nombreuses autres formes spécifiques sans l'éloigner du domaine d'application de l'invention comme revendiqué. Par conséquent, les présents modes de réalisation doivent être considérés à titre d'illustration, mais peuvent être modifiés dans le domaine défini par la portée des revendications jointes, et l'invention ne doit pas être limitée aux détails donnés ci-dessus.It should be obvious to those skilled in the art that the present invention allows embodiments in many other specific forms without departing from the scope of the invention as claimed. Therefore, the present embodiments should be considered by way of illustration, but may be modified within the scope defined by the scope of the appended claims, and the invention should not be limited to the details given above.

Claims (14)

Châssis (1) support de lit comprenant une structure (10, 11, 12) inférieure posée sur le sol et une structure (20, 21) supérieure fixée sur la structure inférieure à l'aide de bras (30, 31, 40, 41), le châssis (1) comprenant des moyens (R1, R2) de rappel agissant sur le mouvement de la structure (20, 21) supérieure par rapport à la structure inférieure et des moyens (90, 91) d'amortissement du mouvement de rappel exercé par lesdits moyens (R1, R2) de rappel, caractérisé en ce que le châssis forme un parallélogramme déformable par pression sur la structure (20, 21) supérieure du châssis, les points d'articulation reliant les structures inférieure (10, 11, 12) et supérieure (20, 21) aux bras (30, 31, 40, 41) étant fixes, la structure (20, 21) supérieure étant mobile par déplacement par rapport à la structure (10, 11, 12) inférieure dans des plans parallèles au sol, entre un plan de hauteur minimale par rapport au sol définissant une position basse et un plan de hauteur maximale par rapport au sol définissant une position haute, le châssis comprenant également des moyens de blocage comprenant une première joue (121), solidaire d'une partie d'un bras (30, 31, 40, 41), une seconde joue (122), solidaire d'une partie de la structure (20,21) supérieure en vis-à-vis de la première joue et un cliquet (123) monté pivotant sur la première joue (121) et relié à cette dernière par un élément de rappel (124), le cliquet (123) étant apte à coulisser sur une partie (126) de la tranche de la seconde joue (122) et coopérer avec au moins une encoche (125) de cette dernière de façon à bloquer le châssis (1) dans un plan parallèle au sol à une hauteur intermédiaire entre la position basse et la position haute, et ledit cliquet (123) étant configuré de telle sorte qu'une force imprimée par un utilisateur et/ou les moyens de rappel (R, R1, R2) sur la structure (20, 21) supérieure de manière à la faire déplacer par rapport à la structure inférieure dans des plans parallèles au sol suffit à débloquer le châssis (1), et puisse l'amener de la position intermédiaire vers une position haute ou basse.Chassis (1) bed support comprising a lower structure (10, 11, 12) placed on the floor and an upper structure (20, 21) secured to the lower structure by means of arms (30, 31, 40, 41 ), the frame (1) comprising return means (R1, R2) acting on the movement of the upper structure (20, 21) relative to the lower structure and means (90, 91) for damping the movement of return biased by said return means (R1, R2), characterized in that the chassis forms a deformable parallelogram by pressure on the upper structure (20, 21) of the chassis, the articulation points connecting the lower structures (10, 11 , 12) and upper (20, 21) to the arms (30, 31, 40, 41) being fixed, the upper structure (20, 21) being displaceably movable relative to the lower structure (10, 11, 12) in planes parallel to the ground, between a plane of minimum height with respect to the ground defining a low position and a plane of maximum height with respect to the ground defining a high position, the chassis also comprising locking means comprising a first cheek (121), integral with a portion of an arm (30, 31, 40, 41), a second cheek (122), integral with a portion of the upper structure (20,21) vis-à-vis the first cheek and a pawl (123) pivotally mounted on the first cheek (121) and connected thereto by a return element (124), the pawl (123) being able to slide on a portion (126) of the edge of the second cheek (122) and cooperate with at least one notch (125) thereof in order to block the frame (1) in a plane parallel to the ground at an intermediate height between the low position and the high position, and said pawl (123) being configured such that a force impressed by a user and / or the return means ( R, R1, R2) on the upper structure (20, 21) so as to move it relative to the st lower structure in planes parallel to the ground is sufficient to unlock the frame (1), and can bring it from the intermediate position to a high or low position. Châssis support de lit selon la revendication 1, caractérisé en ce qu'il comprend des moyens (70, 71) de maintien de la structure (20, 21) supérieure par rapport à la structure (10, 11, 12) inférieure, s'opposant au rappel exercé par les moyens (R1, R2) de rappel, dans une position basse.Bed support frame according to Claim 1, characterized in that it comprises means (70, 71) for holding the upper structure (20, 21) with respect to the lower structure (10, 11, 12). opposing the bias exerted by the means (R1, R2) of return, in a low position. Châssis selon la revendication 2, caractérisé en ce que les moyens (70, 71) de maintien, en position basse, comprennent des moyens d'accrochage entre la structure supérieure (20, 21) et la structure inférieure (10, 11), lesdits moyens d'accrochage étant reliés par une barre (72).Chassis according to Claim 2, characterized in that the holding means (70, 71), in the low position, comprise hooking means between the upper structure (20, 21) and the lower structure (10, 11), said hooking means being connected by a bar (72). Châssis selon la revendication précédente, caractérisé en ce que les moyens d'accrochage sont constitués de deux crochets (70, 71) montés chacun sur un ressort, fixés chacun à une extrémité d'un montant (20, 21) de la structure supérieure et destinés à venir s'encliqueter chacun sur une partie d'un montant (10, 11) de la structure inférieure pour verrouiller la structure supérieure dans la position basse.Chassis according to the preceding claim, characterized in that the attachment means consist of two hooks (70, 71) each mounted on a spring, each fixed at one end of a post (20, 21) of the upper structure and intended to snap each on a portion of an amount (10, 11) of the lower structure to lock the upper structure in the lower position. Châssis selon l'une des revendications 3 ou 4, caractérisé en ce qu'au moins une pédale (75) est fixée suivant une direction sensiblement perpendiculaire à la barre (72) reliant les moyens (70, 71) de maintien.Chassis according to one of claims 3 or 4, characterized in that at least one pedal (75) is fixed in a direction substantially perpendicular to the bar (72) connecting the means (70, 71) for holding. Châssis (1) selon l'une des revendications 3 à 5, caractérisé en ce que, à l'intérieur de la barre (72) reliant les moyens (70, 71) de maintien, est montée coulissante, une seconde barre (720) de jumelage, de même section et de dimensions transversales légèrement inférieures à celles de la barre (72) reliant les moyens de maintien (70, 71), ladite seconde barre (720) de jumelage étant apte à s'insérer dans la barre (72') reliant les moyens de maintien (70', 71') d'un autre châssis (1') support de lit de façon à verrouiller ou déverrouiller simultanément les deux structures supérieures (20, 21, 20', 21') des deux châssis (1, 1') support de lit.Frame (1) according to one of claims 3 to 5, characterized in that , inside the bar (72) connecting the holding means (70, 71), is slidably mounted, a second bar (720) of twinning, of the same cross-section and of slightly smaller cross-sectional dimensions than those of the bar (72) connecting the holding means (70, 71), said second twinning bar (720) being able to fit into the bar (72). ') connecting the holding means (70', 71 ') of another frame (1') bed support so as to lock or unlock simultaneously the two upper structures (20, 21, 20 ', 21') of the two chassis (1, 1 ') bed support. Châssis selon la revendication précédente caractérisé en ce que la barre (72), reliant les moyens (70, 71) de maintien, comporte une rainure (721) s'étendant longitudinalement sur une de ces faces latérales et en ce qu'un élément de serrage (722) est vissé sur la barre (720) de jumelage et traverse la rainure (721).Chassis according to the preceding claim characterized in that the bar (72), connecting the means (70, 71) for holding, comprises a groove (721) extending longitudinally on one of these side faces and in that that a clamping element (722) is screwed onto the bar (720) twinning and passes through the groove (721). Châssis selon l'une des revendications 1 à 7, caractérisé en ce qu'il comprend des moyens (62, 63, 64, 65) de butée de la structure supérieure en position basse contre la structure inférieure.Frame according to one of claims 1 to 7, characterized in that it comprises means (62, 63, 64, 65) for abutment of the upper structure in the lower position against the lower structure. Châssis support de lit selon la revendication précédente, caractérisé en ce que sous les premiers montants (10, 11) du châssis (1) sont fixées des réhausses (101, 102, 111, 112) de façon à ajuster la hauteur du lit.Bed support frame according to the preceding claim, characterized in that under the first uprights (10, 11) of the frame (1) are fixed extensions (101, 102, 111, 112) so as to adjust the height of the bed. Châssis selon une des revendications 1 à 9, caractérisé en ce qu'au moins deux bras (30, 31, 40, 41) de longueur identique, relient chacun la structure (20, 21) supérieure et la structure (30, 31, 40, 41) inférieure et sont montés pivotant sur chaque structure pour faire pivoter la structure supérieure par rapport à la structure inférieure dans es plans parallèles au sol et en ce que des moyens (R1, R2) de rappel et des moyens d'amortissement agissent respectivement sur le pivotement d'au moins un de ces bras.Chassis according to one of Claims 1 to 9, characterized in that at least two arms (30, 31, 40, 41) of identical length each connect the upper structure (20, 21) and the structure (30, 31, 40). 41) and are pivotally mounted on each structure to pivot the upper structure relative to the lower structure in planes parallel to the ground and in that return means (R1, R2) and damping means respectively act on the pivoting of at least one of these arms. Châssis selon une des revendications 1 à 10, caractérisé en ce que les moyens de rappel sont constitués d'au moins un ressort (R1, R2) comportant une extrémité reliée à un bras (30, 31) et son autre extrémité reliée à un plot (60, 61) inférieur, ces moyens de rappel agissant sur le pivotement du bras pour amener la structure (20, 21) supérieure dans sa position haute ou de repos dans laquelle l'axe longitudinal des bras (30, 31, 40, 41) est sensiblement perpendiculaire au sol.Chassis according to one of claims 1 to 10, characterized in that the return means consist of at least one spring (R1, R2) having an end connected to an arm (30, 31) and its other end connected to a stud (60, 61) lower, these biasing means acting on the pivoting of the arm to bring the upper structure (20, 21) into its upper position or rest in which the longitudinal axis of the arms (30, 31, 40, 41 ) is substantially perpendicular to the ground. Châssis selon une des revendications 1 à 11, caractérisé en ce que les moyens d'amortissement (90, 91) sont constitués d'au moins un vérin (90, 91) comportant une extrémité reliée à un bras (40, 41) et son autre extrémité reliée à la structure (10, 11) inférieure, ces moyens d'amortissement agissant sur le pivotement du bras pour amener la structure (20, 21) supérieure dans sa position haute ou de repos dans laquelle l'axe longitudinal des bras (30, 31, 40, 41) est sensiblement perpendiculaire au sol.Chassis according to one of claims 1 to 11, characterized in that the damping means (90, 91) consist of at least one jack (90, 91) having an end connected to an arm (40, 41) and its another end connected to the lower structure (10, 11), these damping means acting on the pivoting of the arm to bring the upper structure (20, 21) into its upper or rest position in which the axis longitudinal axis of the arms (30, 31, 40, 41) is substantially perpendicular to the ground. Châssis selon l'une des revendications 1 à 12, caractérisé en ce que les deux montants (10, 11) de la structure inférieure sont reliés par un montant transversal (12) pour former un H.Chassis according to one of claims 1 to 12, characterized in that the two uprights (10, 11) of the lower structure are connected by a transverse upright (12) to form a H. Châssis selon la revendication 1 à 13, caractérisé en ce que les montants (20, 21) de la structure supérieure ont une section transversale en forme de U inversé d'écartement suffisant pour recevoir le moyen de rappel (R1, R2) lorsque la structure supérieure est en position basse.Frame according to one of Claims 1 to 13, characterized in that the uprights (20, 21) of the upper structure have an inverted U-shaped cross-sectional area which is sufficient to receive the return means (R1, R2) when the structure upper is in the down position.
EP20120157525 2011-03-01 2012-02-29 Bed support frame Not-in-force EP2494889B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1151633A FR2972105B1 (en) 2011-03-01 2011-03-01 CHASSIS BED SUPPORT

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EP2494889A1 true EP2494889A1 (en) 2012-09-05
EP2494889B1 EP2494889B1 (en) 2013-07-24

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FR (1) FR2972105B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3222169A1 (en) * 2016-03-24 2017-09-27 La Roche Mechanical system for lifting a multi-height bed
US9861538B2 (en) * 2015-06-16 2018-01-09 Robert S Krolick Emergency lift and transport system
US11020293B2 (en) 2016-08-01 2021-06-01 Stryker Corporation Multi-function person handling equipment
US11147726B2 (en) 2016-08-01 2021-10-19 Stryker Corporation Person support apparatus system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0781517A1 (en) * 1995-12-29 1997-07-02 BORTOLUZZI SISTEMI S.r.L. Mechanism for moving vertically and tilting longitudinally the frame supporting the mattress of a bed
FR2831405A1 (en) * 2001-10-31 2003-05-02 Tolerie Du Limousin Atel Bed frame comprises H-frame which fits on floor and is connected to two longitudinal upper bars by swiveling supports biased towards folded position by springs
FR2868674A1 (en) 2004-04-13 2005-10-14 Erton Sa Bedding assembly raising device, has connecting rods controlled by electromechanical jack and articulated on fixed lower frame and on movable upper frame, respectively, to articulate frames with respect to each other
WO2008108638A1 (en) * 2007-03-07 2008-09-12 Nijkrake, Robert, Hendrik Support for a bed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0781517A1 (en) * 1995-12-29 1997-07-02 BORTOLUZZI SISTEMI S.r.L. Mechanism for moving vertically and tilting longitudinally the frame supporting the mattress of a bed
FR2831405A1 (en) * 2001-10-31 2003-05-02 Tolerie Du Limousin Atel Bed frame comprises H-frame which fits on floor and is connected to two longitudinal upper bars by swiveling supports biased towards folded position by springs
FR2868674A1 (en) 2004-04-13 2005-10-14 Erton Sa Bedding assembly raising device, has connecting rods controlled by electromechanical jack and articulated on fixed lower frame and on movable upper frame, respectively, to articulate frames with respect to each other
WO2008108638A1 (en) * 2007-03-07 2008-09-12 Nijkrake, Robert, Hendrik Support for a bed

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9861538B2 (en) * 2015-06-16 2018-01-09 Robert S Krolick Emergency lift and transport system
EP3222169A1 (en) * 2016-03-24 2017-09-27 La Roche Mechanical system for lifting a multi-height bed
FR3049179A1 (en) * 2016-03-24 2017-09-29 La Roche MECHANICAL SYSTEM FOR MULTI-HEIGHT BED LIFT
US11020293B2 (en) 2016-08-01 2021-06-01 Stryker Corporation Multi-function person handling equipment
US11147726B2 (en) 2016-08-01 2021-10-19 Stryker Corporation Person support apparatus system

Also Published As

Publication number Publication date
EP2494889B1 (en) 2013-07-24
FR2972105B1 (en) 2014-12-05
FR2972105A1 (en) 2012-09-07

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