EP3439507A1 - Lift-up bed structure with retractable seat support - Google Patents

Lift-up bed structure with retractable seat support

Info

Publication number
EP3439507A1
EP3439507A1 EP17714249.4A EP17714249A EP3439507A1 EP 3439507 A1 EP3439507 A1 EP 3439507A1 EP 17714249 A EP17714249 A EP 17714249A EP 3439507 A1 EP3439507 A1 EP 3439507A1
Authority
EP
European Patent Office
Prior art keywords
frame
movable support
pivoting
pivoting frame
structure according
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
EP17714249.4A
Other languages
German (de)
French (fr)
Other versions
EP3439507B1 (en
Inventor
Alexis Paoutoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ajyp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PL17714249T priority Critical patent/PL3439507T3/en
Publication of EP3439507A1 publication Critical patent/EP3439507A1/en
Application granted granted Critical
Publication of EP3439507B1 publication Critical patent/EP3439507B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/22—Combinations of bedsteads with other furniture or with accessories, e.g. with bedside cabinets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/165—Seating furniture changeable to beds by tilting or pivoting the back-rest with forward tiltable back-rest, e.g. back cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/38—Wall beds

Definitions

  • the present invention relates to the field of furniture and more particularly that of the liftable beds.
  • WO2013 / 156141 discloses a liftable bed which comprises a fixed frame which carries a liftable pivotable frame capable of carrying a mattress.
  • This bed comprises a movable support which is hingedly supported by first arms fixed to the pivoting frame and by second arms articulated on the fixed frame, the first arms inducing the movements of the movable frame during pivoting of the pivoting frame.
  • a liftable bed structure which includes a fixed frame; a swivel frame adapted to support bedding, pivotally mounted along a transverse axis of pivoting so that the swivel frame is pivotable between a forwardly extended horizontal position and a vertical rear raised position; and a mobile support adapted to support a seat, movably mounted on the fixed frame so that the movable support can be moved between a high forward position and a low back position in which it is lower than in the high forward position; the movable support, in the advanced position, extending at least partly in front of the pivoting frame, in the raised position, and the movable support, in the retracted position, extending at least partly below and at a distance from the pivoting frame , in a lying position.
  • the liftable bed structure comprises guiding means which determine the path of the movable support relative to the fixed frame between its advanced high position and its low retracted position and connecting means, distinct from the guide means, connecting the pivoting frame and the movable support and adapted to move the movable support from its advanced position to its retracted position when the pivoting frame is rotated from its raised position to its extended position, and reciprocally along said path.
  • the guide means may comprise guides mounted on the fixed frame and rollers or pads mounted on the movable support and cooperating with the guides.
  • the guides may have front horizontal end portions.
  • the connecting means between the pivoting frame and the movable support may comprise at least one articulated arm on the one hand on the pivoting frame and on the other hand on the movable support.
  • the articulated arm may be connected to the movable support by a transverse pivot and may have a stroke compensation light in which is engaged a transverse pivot carried by the pivoting frame.
  • the pivoting frame may be equipped with a front cover plate, the movable support, in the retracted position, extending at least partly below and at a distance from this cover plate of the pivoting frame, in the extended position.
  • the fixed frame may comprise a front cross member forming a stop for the pivoting frame in the extended position.
  • the fixed frame may have supports on the ground as it is self-supporting.
  • the structure may comprise lateral flanges connected by a reinforcing and anti - torsion crossbar located below and in front of the transverse axis of pivoting of the pivoting frame.
  • the structure may comprise at least one jack between the pivoting frame and said reinforcing and anti-torsion crossbar.
  • a liftable bed structure with a liftable mattress and retractable seat, will now be described by way of nonlimiting example of embodiment, illustrated by the drawing in which:
  • FIG. 1 shows a perspective view of the bed structure, lying down, without mattress or seat
  • FIG. 2 shows a perspective view of the bed structure, in the raised position, without mattress or seat;
  • - Figure 3 shows a longitudinal section of the bed structure, in the extended position, without mattress or seat
  • - Figure 4 shows a longitudinal section of the bed structure, in the raised position, without mattress or seat
  • FIG. 5 shows a longitudinal section of the bed structure, lying down, with mattress and seat
  • FIG. 6 shows a longitudinal section of the bed structure, in an intermediate raised position, with mattress and seat
  • FIG. 7 shows a longitudinal section of the bed structure, in the raised position, with mattress and seat.
  • the liftable bed structure 1 comprises a fixed frame 2 which comprises two transversely spaced opposite lateral flanges 3 which have horizontal lower edges 4 intended to rest on the floor.
  • the liftable bed structure 1 comprises a pivoting frame 5 which has a portion engaged between the side flanges 3 and which is pivotally mounted on these lateral flanges 3 according to a transverse axis of pivoting 6, so that the pivoting frame 5 can pivot between an extended position in which it extends substantially horizontally and a rearward raised position in which it is disposed substantially vertically.
  • the elongated position of the pivoting frame 5 is a reference position in which a longitudinal direction is established between the front and the rear and a transverse direction perpendicular to this longitudinal direction.
  • the fixed frame 2 comprises a connecting crossbar 7 whose ends are secured to the side flanges 3.
  • the connecting crossbar 7 is disposed below and in front of the transverse axis of pivoting 6.
  • the connecting crossbar 7 further constitutes a reinforcing member and anti-torsion.
  • the connecting crossbar 7 is formed by a section of square section, rectangular, round, T or other, provided at its ends with plates fixed on the faces vis-à-vis the side flanges 3 by screws.
  • the pivoting frame 5 comprises a substantially rectangular frame 8 which comprises opposite side rails 9 and opposite transverse bars 10 connecting the ends of the side rails 9, as well as intermediate bars 1 1 and 12, forming a cross and connecting the middle of the side members lateral 9 and transverse bars 10.
  • transverse pins 1 3 disposed along the transverse axis of pivoting 6 are interposed between the side rails 9 and the side flanges 3, these transverse pivots 13 being provided at short distances from the rear transverse bar of the frame 8 with respect to the length of the side rails 9.
  • the frame 8 When the pivoting frame 5 is in the extended position (FIGS. 1, 3 and 5), the frame 8 passes over and at a short distance from the crossbar 7. When the pivoting frame 5 is in the raised position (FIGS. and 7), the frame 8 passes behind the crossbar 7, the latter may constitute a limit stop.
  • the pivoting frame 5 is able to support, for example on the upper face of the frame 8 and the bars 1 1 and 13 crosswise, a mattress 14 by means for example of a slatted base 15.
  • the mattress 14 and the slatted frame 15 can be retained by straps (not shown) and by a rear transverse plate 16 of the pivoting frame 5 against which rests the rear field of the mattress 14.
  • the pivoting frame 5 comprises lower transverse bars 17 whose ends are connected to the longitudinal members 9 and to the intermediate bar 12 by shift rods 18.
  • the pivoting frame 5 is provided with a cover plate 1 9 fixed to the transverse bars 17.
  • the cover plate 19 extends parallel and remote from the frame 8 and covers the surface of this frame 8.
  • the trim plate 19 extends below the lower transverse bars 17 and passes below and away from the connecting beam 7.
  • the cladding plate 19 extends frontally and passes forward and away from the crossbar 7.
  • the cladding plate 19 bears on the upper edge 20a of a front crossmember 20 connecting the lateral flanges 3 and situated in front of the transverse axis of articulation 6 and of the connecting crossbar 7, the crossmember 20 forming a downward limit stop for the pivoting frame 5.
  • one of the crosspieces 17 carrying the covering lacquer 19 is located above the upper edge 20a of the cross member 20.
  • the cross member 20 may be formed by a vertical plate whose ends are integral with the vertical front edges of the side flanges 3, this plate may be reinforced by L-shaped folds.
  • the crosspiece 20 is located in front of the covering plate 19, so that there is a free space 21 open upwards between the trim plate 19 and the crossmember 20 and between the lateral flanges.
  • actuating side cylinders 22 for example electric cylinders, gas or spring 19, and which are mounted between the crossbar of link 7 and the longitudinal members 9 of the pivot frame 5, on which they are articulated transversely.
  • the liftable bed 1 further comprises a movable support 23 arranged at least partly in the free space 21 and mounted movably on the fixed frame 2 so that the movable support 23 can be moved between a high forward position, corresponding to a position use, and a low backward position (FIGS. 1, 3 and 5), corresponding to a retracted position, in which it is lower than in the forward position.
  • a movable support 23 arranged at least partly in the free space 21 and mounted movably on the fixed frame 2 so that the movable support 23 can be moved between a high forward position, corresponding to a position use, and a low backward position (FIGS. 1, 3 and 5), corresponding to a retracted position, in which it is lower than in the forward position.
  • the movable support 23 On at least a portion of its path from its high forward position to its low back position, the movable support 23 moves backward downward. Conversely, on at least part of its path from its low retracted position to its advanced high position, the movable support 23 advances forward while climbing.
  • the mobile support 23 comprises a rectangular frame 24 which comprises lateral spars 25 and transverse bars 26 connecting the ends of the spars 25.
  • the flanges 3 are provided, on their facing faces, with two pairs of opposite guides 27 and 28, longitudinally offset, forming pairs of opposite guide grooves 29 and 30.
  • the side rails 25 are provided laterally with opposite rollers 31 and 32 engaged in the guide grooves 29 and 30. These rollers could be replaced by pads mounted on the longitudinal members and possibly hinged on these longitudinal members 25 along transverse axes.
  • the guide grooves 29 and 30 are arranged in the following manner.
  • the pivoting frame 5 being in the raised position (FIGS.
  • the rectangular frame 24 of the movable support 23 extends, in its advanced forward position, substantially horizontally between the upper part of the plate forming the front cross member 20 of the fixed frame 2 and the lower part of the covering plate 19 5.
  • the rectangular frame 24 of the movable support 23 thus extends forward of the lower part of the pivoting frame 5, in front of the connecting beam 7 of the fixed frame 2 and at a level below this. crossbar 7.
  • the frame 24 is dimensioned so that the longitudinal members 25 are at a small distance from the opposite guides 27 and 28 and the transverse bars 26 are at a short distance from the covering plate 19 and the front cross member 20.
  • the pivoting frame 5 is in an extended position (FIGS.
  • the rectangular frame 24 of the movable support 23, in its low - back position, is offset backwards and downwards relative to its advanced high position and extends substantially horizontally, or slightly inclined towards the rear, below and at a distance from the covering plate 19, and therefore below and away from the pivoting frame 5 and more particularly below the connecting beam 7 of the fixed frame 2.
  • the guide grooves 29 and 30 and the rollers 31 and 32 constitute sliding guide means.
  • the guide grooves 29 and 30 determine the sliding paths of the rollers 31 and 32 and have short horizontal front end portions 29a and 30a, followed by rearward and downwardly inclined portions 29b and 30b.
  • the rollers 31 and 32 are at horizontal front end portions 29a and 30a of the guide grooves 29 and 30 such as the movable support. 23 is able to withstand vertical loads, without inducing horizontal movements.
  • the movable support 23 can move backwards on a horizontal path, determined by the short horizontal front end portions 29a and 30a, and then move substantially parallel to itself on a course inclined backwards and downwards, the movable support 23 retreating down to reach its low back position.
  • the liftable bed 1 further comprises connecting means 34, separate from said guide means, which connect the pivoting frame 5 and the movable support 23. These means 34 are able to move the movable support 23 from its advanced forward position (FIGS. and 7) at its position recessed low ( Figures 3 and 5) when the pivot frame 5 is rotated from its raised position to its extended position, and vice versa.
  • the connecting means 34 comprise opposite lateral arms 35 which are articulated on the one hand on the mobile support 23 and on the other hand on the pivoting frame 5.
  • the articulated side arms 35 are rotatably mounted on short rearward extensions of the longitudinal members 25 of the movable support 23 by means of transverse pivots 36 and have, along their length, travel compensating lights 37 in their longitudinal direction. which are engaged transverse pivots 38 carried by rearward extensions of the longitudinal members 9 of the pivoting frame 5.
  • the articulated lateral arms 35 are arched, their concave shape being on the side of the rear part of the pivoting frame 5.
  • pivots 38 are located at the end of the race compensation lights 37 furthest from the pivots 36, in a remote position.
  • pivoting frame 5 When the pivoting frame 5 is pivoted from its extended position (FIGS. 1, 3 and 5) in a first angular stroke portion, the pivots 38 move along the stroke compensation lights 37 from their remote position to the their close position. Then, in a second portion of angular stroke, the pivoting frame 5 drives the movable support 23 from its low retracted position to its advanced high position when it reaches its raised position ( Figures 2, 4 and 7).
  • the advanced high position of the mobile support 23 may be limited by front lateral stops 39 of the fixed frame 2 and the low back position of the mobile support 23 may be limited by rear lateral stops 40 of the fixed frame 2 ( Figure 7).
  • the mobile support 23 is able to support a seat 41 via a slatted base 41 a, or other, carried by the frame 24.
  • the seat 41 may be formed by a cushion or several adjoining cushions transversely, to sit, substantially parallelepipedic shapes.
  • the movements described above of the pivoting frame 5 and the movable support 23 are adapted so that the seat 41 occupies a position of use in front of the covering plate 19 when the pivoting frame 5 is in its raised position (FIG. , 4 and 7) and the mobile support 23 is in its advanced high position, the mattress 14 being in the vertical storage position, and so that the seat 41 occupies a storage position or retracted inside the fixed frame 2 and below the cover plate 19 when the pivoting frame 5 is in its extended position (FIGS. 1, 3 and 5) and the movable support 23 is in its low-back position, the mattress 14 being in the horizontal position of use .
  • the space between the mobile support 23, in the retracted low position, and the covering plate 19 of the pivoting frame 5, in the extended position, is adapted to accommodate the seat 4 1, in the storage position, without crushing or possibly slightly crushing the seat 41.
  • the movable support 23 can be subjected to resilient springs or elastic tensioners 23 for assistance with displacement (FIG. 1), which urge the mobile support from its high forward position (FIG. 4) to its low-back position (FIG. ).
  • the fixed frame 2 is self-supporting.
  • the longitudinal position of the crossmember 20 connecting the front edges of the side flanges 3, on which the pivoting frame 5 is supported in the extended position must be in front of a position of equilibrium of the pairs resulting from the weights or the masses. of the bed 1, fully equipped, behind and in front of the cross member 20 and the supports on the ground of the side flanges 3, to prevent any tilting forward.
  • the crossbar 20 is located in front of the middle of the length of the pivoting frame 5, while remaining rather far away from the front of the pivoting frame 5. Also, when the pivoting frame 5, fully equipped, is in raised position, the supports on the floor of the fixed frame 2, in particular with regard to the longitudinal position of the transverse axis of articulation 6, prevent any tilting of the bed, in particular towards the rear.
  • the bed 1, fully equipped can be used without the need to fix the fixed frame 2 to soil or an adjoining wall and without it being necessary to equip the pivoting frame 5 of front feet Support.
  • the side flanges 3 comprise rear portions 3a and front portions 3a are elongated forward and lower than the rear portions 3a.
  • the upper edges of the front portions 3b of the side flanges 3 are at the upper edge of the front cross member 20 in the form of a plate.
  • the rear portions 3 has side flanges 3 carry the connecting crossbar 7 and the transverse pivots 13, at levels higher than the upper edges of the front portions 3b.
  • the upper vertical edges before the rear portions 3 has lateral flanges 3 may be in the area of the side fields of the trim plate 19 when the pivoting frame 5 is in its raised position.
  • the rear vertical edges of the lateral flanges 3 can be connected by a vertical plate 42.
  • the lower edges of the lateral flanges 3 can be connected by a horizontal plate 43.
  • Cladding plates may be provided.
  • the pivoting frame 5 may be equipped with side plates 44 and a front plate 45, having edges connected to the edges of the trim plate 19 and edges adj acents the frame 8 and connected thereto.
  • the side flanges 3 may be equipped externally with blocks forming armrests.
  • a removable backrest (not shown) formed one or more cushions may be placed against the dressing plate 19.
  • a backrest can be fixed against the covering plate 19. Such a backrest could then be brought, during the pivoting towards the front of the pivoting frame 5, into a storage position above the backrest. seat 41 in the storage position, and vice versa.
  • the bed may be equipped with side plates fixed externally against the side flanges and a top connected to the upper ends of these side plates. These side plates may have a reduced width allowing the existence of clearances on both sides of the bed in the extended position and the establishment of bedside tables.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

A lift-up bed structure comprising: a fixed frame (2); a pivoting frame (5) capable of supporting bedding, mounted pivoting about a transverse pivot axis (6) such that the pivoting frame can pivot between a horizontal position extending forwards and a rear vertical raised position; and a movable support (23) capable of supporting a seat, mounted movable on the fixed frame (2) such that the movable support (23) can be moved between a high advanced position and a low retracted position in which it is lower than in the high advanced position; the movable support (23), in the advanced position, extending at least partially forward of the pivoting frame (5), in the raised position, and the movable support (23), in the retracted position, extending at least partially below and at a distance from the pivoting frame (5), in the extended position.

Description

Structure de lit relevable à support d' assise escamotable  Lifting bed structure with retractable seat support
La présente invention concerne le domaine des meubles et plus particulièrement celui des lits relevables . The present invention relates to the field of furniture and more particularly that of the liftable beds.
Le brevet WO 20 13/ 15614 1 décrit un lit relevable qui comprend un châssis fixe qui porte un châssis pivotant relevable apte à porter un matelas. Ce lit comprend un support mobile qui est porté de façon articulée par des premiers bras fixés au châssis pivotant et par des seconds bras articulés sur le châssis fixe, les premiers bras induisant les mouvements du châssis mobile lors du pivotement du châssis pivotant.  WO2013 / 156141 discloses a liftable bed which comprises a fixed frame which carries a liftable pivotable frame capable of carrying a mattress. This bed comprises a movable support which is hingedly supported by first arms fixed to the pivoting frame and by second arms articulated on the fixed frame, the first arms inducing the movements of the movable frame during pivoting of the pivoting frame.
Il est proposé une structure de lit relevable qui comprend un châssis fixe ; un châssis pivotant apte à supporter une literie, monté de façon pivotante selon un axe transversal de pivotement de sorte que le châssis pivotant puisse pivoter entre une position horizontale allongée vers l ' avant et une position relevée arrière verticale ; et un support mobile apte à supporter une assise, monté mobile sur le châssis fixe de sorte que le support mobile puisse être déplacé entre une position avancée haute et une position reculée basse dans laquelle il est plus bas qu' en position avancée haute ; le support mobile, en position avancée, s ' étendant au moins en partie en avant du châssis pivotant, en position relevée, et le support mobile, en position reculée, s ' étendant au moins en partie au-dessous et à distance du châssis pivotant, en position allongée.  There is provided a liftable bed structure which includes a fixed frame; a swivel frame adapted to support bedding, pivotally mounted along a transverse axis of pivoting so that the swivel frame is pivotable between a forwardly extended horizontal position and a vertical rear raised position; and a mobile support adapted to support a seat, movably mounted on the fixed frame so that the movable support can be moved between a high forward position and a low back position in which it is lower than in the high forward position; the movable support, in the advanced position, extending at least partly in front of the pivoting frame, in the raised position, and the movable support, in the retracted position, extending at least partly below and at a distance from the pivoting frame , in a lying position.
La structure de lit relevable comprend des moyens de guidage qui déterminent le parcours du support mobile par rapport au châssis fixe entre sa position avancée haute et sa position reculée basse et des moyens de liaison, distincts des moyens de guidage, reliant le châssis pivotant et le support mobile et aptes à déplacer le support mobile de sa position avancée à sa position reculée lorsque le châssis pivotant est pivoté de sa position relevée à sa position allongée, et réciproquement, le long dudit parcours . Les moyens de guidage peuvent comprendre des guides montés sur le châssis fixe et des galets ou des patins montés sur le support mobile et coopérant avec les guides. The liftable bed structure comprises guiding means which determine the path of the movable support relative to the fixed frame between its advanced high position and its low retracted position and connecting means, distinct from the guide means, connecting the pivoting frame and the movable support and adapted to move the movable support from its advanced position to its retracted position when the pivoting frame is rotated from its raised position to its extended position, and reciprocally along said path. The guide means may comprise guides mounted on the fixed frame and rollers or pads mounted on the movable support and cooperating with the guides.
Les guides peuvent présenter des portions terminales avant horizontales .  The guides may have front horizontal end portions.
Les moyens de liaison entre le châssis pivotant et le support mobile peuvent comprendre au moins un bras articulé d'une part sur le châssis pivotant et d' autre part sur le support mobile.  The connecting means between the pivoting frame and the movable support may comprise at least one articulated arm on the one hand on the pivoting frame and on the other hand on the movable support.
Le bras articulé peut être relié au support mobile par un pivot transversal et peut présenter une lumière de compensation de course dans laquelle est engagé un pivot transversal porté par le châssis pivotant.  The articulated arm may be connected to the movable support by a transverse pivot and may have a stroke compensation light in which is engaged a transverse pivot carried by the pivoting frame.
Le châssis pivotant peut être équipé d'une plaque frontale d' habillage, le support mobile, en position reculée, s ' étendant au moins en partie au-dessous et à distance de cette plaque d' habillage du châssis pivotant, en position allongée.  The pivoting frame may be equipped with a front cover plate, the movable support, in the retracted position, extending at least partly below and at a distance from this cover plate of the pivoting frame, in the extended position.
Le châssis fixe peut comprendre une traverse avant formant une butée pour le châssis pivotant, en position allongée .  The fixed frame may comprise a front cross member forming a stop for the pivoting frame in the extended position.
Le châssis fixe peut présenter des appuis sur le sol tels qu ' il est autoporteur.  The fixed frame may have supports on the ground as it is self-supporting.
La structure peut comprendre des flasques latéraux reliés par une traverse de renfort et d' anti-torsion située au-dessous et en avant de l ' axe transversal de pivotement du châssis pivotant.  The structure may comprise lateral flanges connected by a reinforcing and anti - torsion crossbar located below and in front of the transverse axis of pivoting of the pivoting frame.
La structure peut comprendre au moins un vérin entre le châssis pivotant et ladite traverse de renfort et d' anti-torsion.  The structure may comprise at least one jack between the pivoting frame and said reinforcing and anti-torsion crossbar.
Une structure de lit relevable, à matelas relevable et à assise escamotable, va maintenant être décrite à titre d' exemple de réalisation non limitatif, illustrée par le dessin sur lequel :  A liftable bed structure, with a liftable mattress and retractable seat, will now be described by way of nonlimiting example of embodiment, illustrated by the drawing in which:
- la figure 1 représente une vue en perspective de la structure de lit, en position allongée, sans matelas ni assise ;  - Figure 1 shows a perspective view of the bed structure, lying down, without mattress or seat;
- la figure 2 représente une vue en perspective de la structure de lit, en position relevée, sans matelas ni assise ;  - Figure 2 shows a perspective view of the bed structure, in the raised position, without mattress or seat;
- la figure 3 représente une coupe longitudinale de la structure de lit, en position allongée, sans matelas ni assise ; - la figure 4 représente une coupe longitudinale de la structure de lit, en position relevée, sans matelas ni assise ; - Figure 3 shows a longitudinal section of the bed structure, in the extended position, without mattress or seat; - Figure 4 shows a longitudinal section of the bed structure, in the raised position, without mattress or seat;
- la figure 5 représente une coupe longitudinale de la structure de lit, en position allongée, avec matelas et assise ;  - Figure 5 shows a longitudinal section of the bed structure, lying down, with mattress and seat;
- la figure 6 représente une coupe longitudinale de la structure de lit, dans une position relevée intermédiaire, avec matelas et assise ; et  - Figure 6 shows a longitudinal section of the bed structure, in an intermediate raised position, with mattress and seat; and
- la figure 7 représente une coupe longitudinale de la structure de lit, en position relevée, avec matelas et assise.  - Figure 7 shows a longitudinal section of the bed structure, in the raised position, with mattress and seat.
La structure de lit relevable 1 comprend un châssis fixe 2 qui comprend deux flasques latéraux opposés 3 espacés transversalement, qui présentent des bords inférieurs horizontaux 4 destinés à reposer sur le so l.  The liftable bed structure 1 comprises a fixed frame 2 which comprises two transversely spaced opposite lateral flanges 3 which have horizontal lower edges 4 intended to rest on the floor.
La structure de lit relevable 1 comprend un châssis pivotant 5 qui présente une partie engagée entre les flasques latéraux 3 et qui est monté de façon pivotante sur ces flasques latéraux 3 selon un axe transversal de pivotement 6, de sorte que le châssis pivotant 5 puisse pivoter entre une position allongée dans laquelle il s ' étend substantiellement horizontalement et une position relevée arrière dans laquelle il est disposé substantiellement verticalement.  The liftable bed structure 1 comprises a pivoting frame 5 which has a portion engaged between the side flanges 3 and which is pivotally mounted on these lateral flanges 3 according to a transverse axis of pivoting 6, so that the pivoting frame 5 can pivot between an extended position in which it extends substantially horizontally and a rearward raised position in which it is disposed substantially vertically.
Selon la présente description, la position allongée du châssis pivotant 5 est une position de référence dans laquelle est établie une direction longitudinale entre l ' avant et l ' arrière et une direction transversale perpendiculaire à cette direction longitudinale.  According to the present description, the elongated position of the pivoting frame 5 is a reference position in which a longitudinal direction is established between the front and the rear and a transverse direction perpendicular to this longitudinal direction.
Lorsque le châssis pivotant 5 passe de sa position relevée When the pivoting frame 5 moves from its raised position
(figures 2, 4 et 7) à sa position allongée (figures 1 , 3 et 5), le châssis pivotant 5 est pivoté vers l ' avant, sa partie dite « avant » ou « de pied » passant d'une position haute à une position basse et sa partie dite « arrière » ou « de tête », engagée entre les flasques latéraux 3 , pivotant selon l' axe transversal de pivotement 6 par rapport aux flasques latéraux 3. (Figures 2, 4 and 7) in its extended position (Figures 1, 3 and 5), the pivoting frame 5 is rotated forward, its part called "front" or "foot" from a high position to a low position and its so-called "rear" or "head" part, engaged between the lateral flanges 3, pivoting along the transverse axis of pivoting 6 with respect to the lateral flanges 3.
Le châssis fixe 2 comprend une traverse de liaison 7 dont les extrémités sont solidaires des flasques latéraux 3. La traverse de liaison 7 est disposée au-dessous et en avant de l ' axe transversal de pivotement 6. La traverse de liaison 7 constitue en outre un organe de renfort et d' anti-torsion. Par exemple, la traverse de liaison 7 est formée par un profilé de section carrée, rectangulaire, rond, en T ou autre, muni à ses extrémités de platines fixées sur les faces en vis-à-vis des flasques latéraux 3 par des vis. The fixed frame 2 comprises a connecting crossbar 7 whose ends are secured to the side flanges 3. The connecting crossbar 7 is disposed below and in front of the transverse axis of pivoting 6. The connecting crossbar 7 further constitutes a reinforcing member and anti-torsion. For example, the connecting crossbar 7 is formed by a section of square section, rectangular, round, T or other, provided at its ends with plates fixed on the faces vis-à-vis the side flanges 3 by screws.
Le châssis pivotant 5 comprend un cadre 8 substantiellement rectangulaire qui comprend des longerons latéraux opposés 9 et des barres transversales opposées 10 reliant les extrémités des longerons latéraux 9, ainsi que des barres intermédiaires 1 1 et 12, formant une croix et reliant les milieux des longerons latéraux 9 et des barres transversales 10.  The pivoting frame 5 comprises a substantially rectangular frame 8 which comprises opposite side rails 9 and opposite transverse bars 10 connecting the ends of the side rails 9, as well as intermediate bars 1 1 and 12, forming a cross and connecting the middle of the side members lateral 9 and transverse bars 10.
Pour assurer le montage de façon pivotante du châssis pivotant 5 sur le châssis fixe 2, des pivots transversaux 1 3 disposés selon l' axe transversal de pivotement 6 sont interposés entre les longerons latéraux 9 et les flasques latéraux 3 , ces pivots transversaux 13 étant prévus à faibles distances de la barre transversale 10 arrière du cadre 8 au regard de la longueur des longerons latéraux 9.  For pivotally mounting the pivoting frame 5 on the fixed frame 2, transverse pins 1 3 disposed along the transverse axis of pivoting 6 are interposed between the side rails 9 and the side flanges 3, these transverse pivots 13 being provided at short distances from the rear transverse bar of the frame 8 with respect to the length of the side rails 9.
Lorsque le châssis pivotant 5 est en position allongée (figures 1 , 3 et 5), le cadre 8 passe au-dessus et à faible distance de la traverse de liaison 7. Lorsque le châssis pivotant 5 est en position relevée (figures 2, 4 et 7), le cadre 8 passe en arrière de la traverse de liaison 7, cette dernière pouvant constituer une butée de fin de course.  When the pivoting frame 5 is in the extended position (FIGS. 1, 3 and 5), the frame 8 passes over and at a short distance from the crossbar 7. When the pivoting frame 5 is in the raised position (FIGS. and 7), the frame 8 passes behind the crossbar 7, the latter may constitute a limit stop.
Le châssis pivotant 5 est apte à supporter, par exemple sur la face supérieure du cadre 8 et des barres 1 1 et 13 en croix, un matelas 14 par l' intermédiaire par exemple d'un sommier à lattes 15. Le matelas 14 et le sommier à lattes 15 peuvent être retenus par des sangles (non représentées) et par une plaque transversale arrière 16 du châssis pivotant 5 contre laquelle vient en appui le champ arrière du matelas 14.  The pivoting frame 5 is able to support, for example on the upper face of the frame 8 and the bars 1 1 and 13 crosswise, a mattress 14 by means for example of a slatted base 15. The mattress 14 and the slatted frame 15 can be retained by straps (not shown) and by a rear transverse plate 16 of the pivoting frame 5 against which rests the rear field of the mattress 14.
Le châssis pivotant 5 comprend des barres transversales inférieures 17 dont les extrémités sont reliées aux longerons 9 et à la barre intermédiaire 12 par des barres de décalage 1 8.  The pivoting frame 5 comprises lower transverse bars 17 whose ends are connected to the longitudinal members 9 and to the intermediate bar 12 by shift rods 18.
Le châssis pivotant 5 est pourvu d'une plaque d' habillage 1 9 fixée sur les barres transversales 17. La plaque d' habillage 19 s ' étend parallèlement et à distance du cadre 8 et recouvre la surface de ce cadre 8. The pivoting frame 5 is provided with a cover plate 1 9 fixed to the transverse bars 17. The cover plate 19 extends parallel and remote from the frame 8 and covers the surface of this frame 8.
Lorsque le châssis pivotant 5 est en position allongée (figures 1 , When the pivoting frame 5 is in the extended position (FIG.
3 et 5), la plaque d' habillage 19 s ' étend au-dessous des barres transversales inférieures 17 et passe au-dessous et à distance de la traverse de liaison 7. 3 and 5), the trim plate 19 extends below the lower transverse bars 17 and passes below and away from the connecting beam 7.
Lorsque le châssis pivotant 5 est en position relevée (figures 2 , When the pivoting frame 5 is in the raised position (FIG.
4 et 7), la plaque d' habillage 19 s ' étend frontalement et passe en avant et à distance de la traverse de liaison 7. 4 and 7), the cladding plate 19 extends frontally and passes forward and away from the crossbar 7.
Lorsque le châssis pivotant 5 est en position allongée (figures 1 , When the pivoting frame 5 is in the extended position (FIG.
3 et 5), la plaque d' habillage 19 prend appui sur le bord supérieur 20a d'une traverse avant 20 reliant les flasques latéraux 3 et située en avant de l ' axe transversal d ' articulation 6 et de la traverse de liaison 7, la traverse 20 formant une butée de fin de course vers le bas pour le châssis pivotant 5. De préférence, l 'une des traverses 17 portant la p laque d' habillage 19 est située au-dessus du bord supérieur 20a de la traverse 20. 3 and 5), the cladding plate 19 bears on the upper edge 20a of a front crossmember 20 connecting the lateral flanges 3 and situated in front of the transverse axis of articulation 6 and of the connecting crossbar 7, the crossmember 20 forming a downward limit stop for the pivoting frame 5. Preferably, one of the crosspieces 17 carrying the covering lacquer 19 is located above the upper edge 20a of the cross member 20.
Par exemple, la traverse 20 peut être formée par une plaque verticale dont les extrémités sont solidaires des bords avant verticaux des flasques latéraux 3 , cette plaque pouvant être renforcée par des plis en L.  For example, the cross member 20 may be formed by a vertical plate whose ends are integral with the vertical front edges of the side flanges 3, this plate may be reinforced by L-shaped folds.
Lorsque le châssis pivotant 5 est en position relevée (figures 2 , When the pivoting frame 5 is in the raised position (FIG.
4 et 7), la traverse 20 est située en avant de la plaque d' habillage 19, de sorte qu' il existe un espace libre 21 ouvert vers le haut entre la plaque d' habillage 19 et la traverse 20 et entre les flasques latéraux 3. 4 and 7), the crosspiece 20 is located in front of the covering plate 19, so that there is a free space 21 open upwards between the trim plate 19 and the crossmember 20 and between the lateral flanges. 3.
Dans le but de faire pivoter le châssis pivotant 5 par rapport au châssis fixe 2, sont prévus en outre des vérins latéraux d ' actionnement 22, par exemple des vérins électriques, à gaz ou à ressort 19, et qui sont montés entre la traverse de liaison 7 et les longerons 9 du châssis pivotant 5 , sur lesquels ils sont articulés transversalement.  For the purpose of pivoting the pivoting frame 5 relative to the fixed frame 2, are further provided actuating side cylinders 22, for example electric cylinders, gas or spring 19, and which are mounted between the crossbar of link 7 and the longitudinal members 9 of the pivot frame 5, on which they are articulated transversely.
Le lit relevable 1 comprend en outre un support mobile 23 disposé au moins en partie dans l ' espace libre 21 et monté mobile sur le châssis fixe 2 de sorte que le support mobile 23 puisse être déplacé entre une position avancée haute, correspondant à une position d'utilisation, et une position reculée basse (figures 1 , 3 et 5), correspondant à une position escamotée, dans laquelle il est plus bas qu' en position avancée. The liftable bed 1 further comprises a movable support 23 arranged at least partly in the free space 21 and mounted movably on the fixed frame 2 so that the movable support 23 can be moved between a high forward position, corresponding to a position use, and a low backward position (FIGS. 1, 3 and 5), corresponding to a retracted position, in which it is lower than in the forward position.
Sur au moins une partie de son parcours depuis sa position avancée haute jusqu' à sa position reculée basse, le support mobile 23 recule vers l ' arrière en descendant. Inversement, sur au moins une partie de son parcours depuis sa position reculée basse jusqu' à sa position avancée haute, le support mobile 23 avance vers l ' avant en montant.  On at least a portion of its path from its high forward position to its low back position, the movable support 23 moves backward downward. Conversely, on at least part of its path from its low retracted position to its advanced high position, the movable support 23 advances forward while climbing.
Le support mobile 23 , en position avancée, s ' étend au moins en partie en avant du châssis pivotant 5 , en position relevée, et le support mobile 22, en position reculée, s ' étend au moins en partie au-dessous et à distance du châssis pivotant 5 , en position allongée.  The movable support 23, in the advanced position, extends at least partly in front of the pivoting frame 5, in the raised position, and the mobile support 22, in the retracted position, extends at least partly below and at a distance. of the pivoting frame 5, in the extended position.
Le support mobile 23 comprend un cadre rectangulaire 24 qui comprend des longerons latéraux 25 et des barres transversales 26 reliant les extrémités des longerons 25.  The mobile support 23 comprises a rectangular frame 24 which comprises lateral spars 25 and transverse bars 26 connecting the ends of the spars 25.
Les flasques 3 sont pourvus, sur leurs faces en vis-à-vis, de deux paires de guides opposés 27 et 28 , décalées longitudinalement, formant des paires de rainures opposées de guidage 29 et 30.  The flanges 3 are provided, on their facing faces, with two pairs of opposite guides 27 and 28, longitudinally offset, forming pairs of opposite guide grooves 29 and 30.
Les longerons latéraux 25 sont pourvus latéralement de galets opposés 3 1 et 32 engagés dans les rainures de guidage 29 et 30. Ces galets pourraient être remplacés par des patins montés sur les longerons et éventuellement articulés sur ces longerons 25 selon des axes transversaux.  The side rails 25 are provided laterally with opposite rollers 31 and 32 engaged in the guide grooves 29 and 30. These rollers could be replaced by pads mounted on the longitudinal members and possibly hinged on these longitudinal members 25 along transverse axes.
Les rainures de guidage 29 et 30 sont agencées de la manière suivante.  The guide grooves 29 and 30 are arranged in the following manner.
Le châssis pivotant 5 étant en position relevée (figures 2, 4 et The pivoting frame 5 being in the raised position (FIGS.
7), le cadre rectangulaire 24 du support mobile 23 s ' étend, dans sa position avancée haute, substantiellement horizontalement entre la partie supérieure de la plaque formant la traverse avant 20 du châssis fixe 2 et la partie inférieure de la plaque d' habillage 19 du châssis pivotant 5. Le cadre rectangulaire 24 du support mobile 23 s ' étend donc en avant de la partie inférieure du châssis pivotant 5 , en avant de la traverse de liaison 7 du châssis fixe 2 et à un niveau situé au-dessous de cette traverse de liaison 7. Le cadre 24 est dimensionné de sorte que les longerons 25 soient à faible distance des guides opposés 27 et 28 et que les barres transversales 26 soient à faible distance de la plaque d' habillage 19 et de la traverse avant 20. 7), the rectangular frame 24 of the movable support 23 extends, in its advanced forward position, substantially horizontally between the upper part of the plate forming the front cross member 20 of the fixed frame 2 and the lower part of the covering plate 19 5. The rectangular frame 24 of the movable support 23 thus extends forward of the lower part of the pivoting frame 5, in front of the connecting beam 7 of the fixed frame 2 and at a level below this. crossbar 7. The frame 24 is dimensioned so that the longitudinal members 25 are at a small distance from the opposite guides 27 and 28 and the transverse bars 26 are at a short distance from the covering plate 19 and the front cross member 20.
Le châssis pivotant 5 étant en position allongée (figures 1 , 3 et The pivoting frame 5 is in an extended position (FIGS.
5), le cadre rectangulaire 24 du support mobile 23 , dans sa position reculée basse, est décalé vers l ' arrière et vers le bas par rapport à sa position avancée haute et s ' étend substantiellement horizontalement, ou légèrement incliné vers l ' arrière, au-dessous et à distance de la plaque d' habillage 19, et donc au-dessous et à distance du châssis pivotant 5 et plus particulièrement au-dessous de la traverse de liaison 7 du châssis fixe 2. 5), the rectangular frame 24 of the movable support 23, in its low - back position, is offset backwards and downwards relative to its advanced high position and extends substantially horizontally, or slightly inclined towards the rear, below and at a distance from the covering plate 19, and therefore below and away from the pivoting frame 5 and more particularly below the connecting beam 7 of the fixed frame 2.
Les rainures de guidage 29 et 30 et les galets 3 1 et 32 constituent des moyens de guidage par coulissement. Les rainures de guidage 29 et 30 déterminent les parcours par coulissement des galets 3 1 et 32 et présentent des courtes portions terminales avant 29a et 30a horizontales, suivies de portions 29b et 30b inclinées vers l ' arrière et vers le bas .  The guide grooves 29 and 30 and the rollers 31 and 32 constitute sliding guide means. The guide grooves 29 and 30 determine the sliding paths of the rollers 31 and 32 and have short horizontal front end portions 29a and 30a, followed by rearward and downwardly inclined portions 29b and 30b.
Dans la position avancée haute du cadre rectangulaire 24 du support mobile 23 (figures 3 et 5), les galets 3 1 et 32 sont à des endroits des portions terminales avant 29a et 30a horizontales des rainures de guidage 29 et 30 tels que le support mobile 23 est apte à supporter des charges verticales, sans induire de déplacements horizontaux.  In the high forward position of the rectangular frame 24 of the movable support 23 (FIGS. 3 and 5), the rollers 31 and 32 are at horizontal front end portions 29a and 30a of the guide grooves 29 and 30 such as the movable support. 23 is able to withstand vertical loads, without inducing horizontal movements.
Depuis sa position avancée haute (figures 4 et 7), le support mobile 23 peut se déplacer vers l ' arrière sur un parcours horizontal, déterminé par les courtes portions terminales avant 29a et 30a horizontales, puis se déplacer substantiellement parallèlement à lui- même sur un parcours incliné vers l ' arrière et vers le bas, le support mobile 23 reculant en descendant pour atteindre sa position reculée basse.  From its forward high position (FIGS. 4 and 7), the movable support 23 can move backwards on a horizontal path, determined by the short horizontal front end portions 29a and 30a, and then move substantially parallel to itself on a course inclined backwards and downwards, the movable support 23 retreating down to reach its low back position.
Le lit relevable 1 comprend en outre des moyens de liaison 34, distincts desdits moyens de guidage, qui relient le châssis pivotant 5 et le support mobile 23. Ces moyens 34 sont aptes à déplacer le support mobile 23 de sa position avancée haute (figures 4 et 7) à sa position reculée basse (figures 3 et 5) lorsque le châssis pivotant 5 est pivoté de sa position relevée à sa position allongée, et réciproquement. The liftable bed 1 further comprises connecting means 34, separate from said guide means, which connect the pivoting frame 5 and the movable support 23. These means 34 are able to move the movable support 23 from its advanced forward position (FIGS. and 7) at its position recessed low (Figures 3 and 5) when the pivot frame 5 is rotated from its raised position to its extended position, and vice versa.
Les moyens de liaison 34 comprennent des bras latéraux opposés 35 qui sont articulés d'une part sur le support mobile 23 et d' autre part sur le châssis pivotant 5.  The connecting means 34 comprise opposite lateral arms 35 which are articulated on the one hand on the mobile support 23 and on the other hand on the pivoting frame 5.
Les bras latéraux articulés 35 sont montés à rotation sur des courts prolongements vers l ' arrière des longerons 25 du support mobile 23 par l ' intermédiaires de pivots transversaux 36 et présentent, dans le sens de leur longueur, des lumières de compensation de course 37 dans lesquelles sont engagés des pivots transversaux 38 portés par des prolongements vers l ' arrière des longerons 9 du châssis pivotant 5.  The articulated side arms 35 are rotatably mounted on short rearward extensions of the longitudinal members 25 of the movable support 23 by means of transverse pivots 36 and have, along their length, travel compensating lights 37 in their longitudinal direction. which are engaged transverse pivots 38 carried by rearward extensions of the longitudinal members 9 of the pivoting frame 5.
Les bras latéraux articulés 35 sont arqués, leur forme concave étant du côté de la partie arrière du châssis pivotant 5.  The articulated lateral arms 35 are arched, their concave shape being on the side of the rear part of the pivoting frame 5.
Lorsque le châssis pivotant 5 est à sa position allongée (figures 1 , 3 et 5) et le support mobile 23 est à sa position avancée haute, les pivots 38 sont situés à l ' extrémité des lumières de compensation de course 37 la plus proche des pivots 36, dans une position proche.  When the pivoting frame 5 is in its extended position (FIGS. 1, 3 and 5) and the movable support 23 is in its advanced forward position, the pivots 38 are located at the end of the race compensation lights 37 nearest the pivots 36, in a close position.
Lorsque le châssis pivotant 5 est à sa position relevée (figures 2, 4 et 7) et le support mobile 23 est à sa position reculée basse, les pivots 38 sont situés à l ' extrémité des lumières de compensation de course 37 la plus éloignée des pivots 36, dans une position éloignée.  When the pivoting frame 5 is in its raised position (FIGS. 2, 4 and 7) and the movable support 23 is in its low retracted position, the pivots 38 are located at the end of the race compensation lights 37 furthest from the pivots 36, in a remote position.
Lorsque le châssis pivotant 5 est pivoté depuis sa position allongée (figures 1 , 3 et 5), dans une première portion de course angulaire, les pivots 38 se déplacent le long des lumières de compensation de course 37, depuis leur position éloignée jusqu' à leur position proche. Puis, dans une seconde portion de course angulaire, le châssis pivotant 5 entraîne le support mobile 23 depuis sa position reculée basse jusqu' à sa position avancée haute lorsqu'il atteint sa position relevée (figures 2, 4 et 7) .  When the pivoting frame 5 is pivoted from its extended position (FIGS. 1, 3 and 5) in a first angular stroke portion, the pivots 38 move along the stroke compensation lights 37 from their remote position to the their close position. Then, in a second portion of angular stroke, the pivoting frame 5 drives the movable support 23 from its low retracted position to its advanced high position when it reaches its raised position (Figures 2, 4 and 7).
La position avancée haute du support mobile 23 peut être limitée par des butées latérales avant 39 du châssis fixe 2 et la position reculée basse du support mobile 23 peut être limitée par des butées latérales arrière 40 du châssis fixe 2 (figure 7) . Le support mobile 23 est apte à supporter une assise 41 par l' intermédiaire d'un sommier à lattes 41 a, ou autre, porté par le cadre 24. L ' assise 41 peut être formée par un coussin ou plusieurs coussins adj acents transversalement, pour s ' asseoir, substantiellement de formes parallélépipédiques. The advanced high position of the mobile support 23 may be limited by front lateral stops 39 of the fixed frame 2 and the low back position of the mobile support 23 may be limited by rear lateral stops 40 of the fixed frame 2 (Figure 7). The mobile support 23 is able to support a seat 41 via a slatted base 41 a, or other, carried by the frame 24. The seat 41 may be formed by a cushion or several adjoining cushions transversely, to sit, substantially parallelepipedic shapes.
Les mouvements décrits plus haut du châssis pivotant 5 et du support mobile 23 sont adaptés pour que l ' assise 41 occupe une position d'utilisation en avant de la plaque d' habillage 19 lorsque le châssis pivotant 5 est à sa position relevée (figures 2, 4 et 7) et le support mobile 23 est à sa position avancée haute, le matelas 14 étant en position verticale de rangement, et pour que l ' assise 41 occupe une position de rangement ou escamotée à l' intérieur du châssis fixe 2 et au-dessous de la plaque d' habillage 19 lorsque le châssis pivotant 5 est à sa position allongée (figures 1 , 3 et 5) et le support mobile 23 est à sa position reculée basse, le matelas 14 étant en position horizontale d'utilisation.  The movements described above of the pivoting frame 5 and the movable support 23 are adapted so that the seat 41 occupies a position of use in front of the covering plate 19 when the pivoting frame 5 is in its raised position (FIG. , 4 and 7) and the mobile support 23 is in its advanced high position, the mattress 14 being in the vertical storage position, and so that the seat 41 occupies a storage position or retracted inside the fixed frame 2 and below the cover plate 19 when the pivoting frame 5 is in its extended position (FIGS. 1, 3 and 5) and the movable support 23 is in its low-back position, the mattress 14 being in the horizontal position of use .
L ' espace entre le support mobile 23 , en position reculée basse, et la plaque d' habillage 19 du châssis pivotant 5 , en position allongée, est adapté pour y loger l ' assise 4 1 , en position de rangement, sans écraser ou éventuellement en écrasant légèrement l ' assise 41 .  The space between the mobile support 23, in the retracted low position, and the covering plate 19 of the pivoting frame 5, in the extended position, is adapted to accommodate the seat 4 1, in the storage position, without crushing or possibly slightly crushing the seat 41.
Par ailleurs, le support mobile 23 peut être soumis à des ressorts ou des tendeurs élastiques 23 a d' assistance au déplacement (figure 1 ) , qui sollicitent le support mobile de sa position avancée haute (figure 4) vers sa position reculée basse (figure 3) .  Furthermore, the movable support 23 can be subjected to resilient springs or elastic tensioners 23 for assistance with displacement (FIG. 1), which urge the mobile support from its high forward position (FIG. 4) to its low-back position (FIG. ).
Avantageusement, le châssis fixe 2 est autoporteur.  Advantageously, the fixed frame 2 is self-supporting.
Pour cela, la position longitudinale de la traverse 20 reliant les bords avant des flasques latéraux 3 , sur laquelle prend appui le châssis pivotant 5 en position allongée, doit être en avant d'une position d' équilibre des couples résultant des poids ou des masses du lit 1 , tout équipé, en arrière et en avant de la traverse 20 et des appuis sur le so l des flasques latéraux 3 , pour empêcher tout basculement vers l ' avant. For this, the longitudinal position of the crossmember 20 connecting the front edges of the side flanges 3, on which the pivoting frame 5 is supported in the extended position, must be in front of a position of equilibrium of the pairs resulting from the weights or the masses. of the bed 1, fully equipped, behind and in front of the cross member 20 and the supports on the ground of the side flanges 3, to prevent any tilting forward.
Par exemp le, la traverse 20 est située en avant du milieu de la longueur du châssis pivotant 5 , tout en restant assez largement à distance de l ' avant du châssis pivotant 5. Egalement, lorsque le châssis pivotant 5 , tout équipé, est en position relevée, les appuis sur le so l du châssis fixe 2, en particulier au regard de la position longitudinale de l ' axe transversal d' articulation 6, empêchent tout basculement du lit, en particulier vers l ' arrière. For example, the crossbar 20 is located in front of the middle of the length of the pivoting frame 5, while remaining rather far away from the front of the pivoting frame 5. Also, when the pivoting frame 5, fully equipped, is in raised position, the supports on the floor of the fixed frame 2, in particular with regard to the longitudinal position of the transverse axis of articulation 6, prevent any tilting of the bed, in particular towards the rear.
Ainsi, le lit 1 , tout équipé, peut être utilisé sans qu'il soit besoin de fixer le châssis fixe 2 au so l ou à un mur adj acent et sans qu' il soit besoin d' équiper le châssis pivotant 5 de pieds avant de soutien.  Thus, the bed 1, fully equipped, can be used without the need to fix the fixed frame 2 to soil or an adjoining wall and without it being necessary to equip the pivoting frame 5 of front feet Support.
Avantageusement, des dispositions suivantes peuvent être adoptées .  Advantageously, the following provisions can be adopted.
Les flasques latéraux 3 comprennent des parties arrière 3 a et des parties avant 3 a allongées vers l ' avant et plus basses que les parties arrière 3 a.  The side flanges 3 comprise rear portions 3a and front portions 3a are elongated forward and lower than the rear portions 3a.
Les bords supérieurs des parties avant 3b des flasques latéraux 3 sont au niveau du bord supérieur de la traverse avant 20 en forme de plaque.  The upper edges of the front portions 3b of the side flanges 3 are at the upper edge of the front cross member 20 in the form of a plate.
Les parties arrière 3 a des flasques latéraux 3 portent la traverse de liaison 7 et les pivots transversaux 13 , à des niveaux situés plus haut que les bords supérieurs des parties avant 3b .  The rear portions 3 has side flanges 3 carry the connecting crossbar 7 and the transverse pivots 13, at levels higher than the upper edges of the front portions 3b.
Les bords verticaux supérieurs avant des parties arrière 3 a des flasques latéraux 3 peuvent être dans la zone des champs latéraux de la plaque d' habillage 19 lorsque le châssis pivotant 5 est à sa position relevée.  The upper vertical edges before the rear portions 3 has lateral flanges 3 may be in the area of the side fields of the trim plate 19 when the pivoting frame 5 is in its raised position.
Les bords verticaux arrière des flasques latéraux 3 peuvent être reliés par une plaque verticale 42.  The rear vertical edges of the lateral flanges 3 can be connected by a vertical plate 42.
Les bords inférieurs des flasques latéraux 3 peuvent être reliés par une plaque horizontale 43.  The lower edges of the lateral flanges 3 can be connected by a horizontal plate 43.
Des plaques d' habillage peuvent être prévues. En particulier, le châssis pivotant 5 peut être équipé de plaques latérales 44 et d'une plaque avant 45 , présentant des bords reliés aux bords de la plaque d' habillage 19 et des bords adj acents au cadre 8 et reliés à ce dernier.  Cladding plates may be provided. In particular, the pivoting frame 5 may be equipped with side plates 44 and a front plate 45, having edges connected to the edges of the trim plate 19 and edges adj acents the frame 8 and connected thereto.
Les flasques latéraux 3 peuvent être équipés, extérieurement, de blo cs formant des accoudoirs.  The side flanges 3 may be equipped externally with blocks forming armrests.
Lorsque le châssis pivotant 5 est en position relevée et l ' assise 41 en position d'utilisation, un dossier amovible (non représenté) formé d'un ou plusieurs coussins peut être placé contre la p laque d' habillage 19. When the pivoting frame 5 is in the raised position and the seat 41 in the use position, a removable backrest (not shown) formed one or more cushions may be placed against the dressing plate 19.
Selon une variante de réalisation, un dossier peut être fixé contre la plaque d' habillage 19. Un tel dossier pourrait alors être amené, lors du pivotement vers l ' avant du châssis pivotant 5 , dans une position de rangement au-dessus de l ' assise 41 en position de rangement, et réciproquement.  According to an alternative embodiment, a backrest can be fixed against the covering plate 19. Such a backrest could then be brought, during the pivoting towards the front of the pivoting frame 5, into a storage position above the backrest. seat 41 in the storage position, and vice versa.
Par ailleurs, le lit peut être équipé de plaques latérales fixées extérieurement contre les flasques latéraux et d'un dessus relié aux extrémités supérieures de ces plaques latérales . Ces plaques latérales peuvent présenter une largeur réduite permettant l ' existence de dégagements de part et d ' autre du lit en position allongée et la mise en place de chevets .  Furthermore, the bed may be equipped with side plates fixed externally against the side flanges and a top connected to the upper ends of these side plates. These side plates may have a reduced width allowing the existence of clearances on both sides of the bed in the extended position and the establishment of bedside tables.

Claims

REVENDICATIONS
1 . Structure de lit relevable comprenant : 1. Liftable bed structure comprising:
un châssis fixe (2) ;  a fixed frame (2);
un châssis pivotant (5) apte à supporter une literie, monté de façon pivotante selon un axe transversal de pivotement (6) de sorte que le châssis pivotant puisse pivoter entre une position horizontale allongée vers l ' avant et une position relevée arrière verticale ;  a pivotable frame (5) capable of supporting bedding, pivotally mounted about a transverse axis of pivoting (6) so that the pivotable frame can pivot between a forwardly extended horizontal position and a vertical upward raised position;
et un support mobile (23) apte à supporter une assise, monté mobile sur le châssis fixe (2) de sorte que le support mobile (23) puisse être déplacé entre une position avancée haute et une position reculée basse dans laquelle il est plus bas qu' en position avancée haute ; le support mobile (23), en position avancée, s ' étendant au moins en partie en avant du châssis pivotant (5), en position relevée, et le support mobile (23), en position reculée, s ' étendant au moins en partie au- dessous et à distance du châssis pivotant (5), en position allongée ; des moyens de guidage qui déterminent le parcours du support mobile (23) par rapport au châssis fixe (2) entre sa position avancée haute et sa position reculée basse ; et  and a mobile support (23) adapted to support a seat, movably mounted on the fixed frame (2) so that the movable support (23) can be moved between a high forward position and a lower back position in which it is lower only in the advanced position; the movable support (23), in the advanced position, extending at least partly in front of the pivoting frame (5), in the raised position, and the movable support (23), in the retracted position, extending at least in part below and at a distance from the pivoting frame (5) in an extended position; guiding means which determines the path of the movable support (23) relative to the fixed frame (2) between its advanced high position and its low retracted position; and
des moyens de liaison (34) reliant le châssis pivotant (5) et le support mobile (23) et aptes à déplacer le support mobile (23) de sa position avancée à sa position reculée lorsque le châssis pivotant (5) est pivoté de sa position relevée à sa position allongée, et réciproquement, le long dudit parcours.  connecting means (34) connecting the pivoting frame (5) and the movable support (23) and able to move the movable support (23) from its advanced position to its retracted position when the pivoting frame (5) is pivoted from its position raised to its lying position, and reciprocally, along said course.
2. Structure selon la revendication 1 , dans laquelle les moyens de guidage comprennent des guides (27, 28) montés sur le châssis fixe (2) et des galets (3 1 , 32) ou des patins montés sur le support mobile (23 ) et coopérant avec les guides.  2. Structure according to claim 1, wherein the guide means comprise guides (27, 28) mounted on the fixed frame (2) and rollers (31, 32) or pads mounted on the movable support (23). and cooperating with the guides.
3. Structure selon la revendication 2, dans laquelle les guides (27, 28) présentent des portions terminales avant horizontales (29a, 30a) .  3. Structure according to claim 2, wherein the guides (27, 28) have front horizontal end portions (29a, 30a).
4. Structure selon l'une quelconque des revendications précédentes, dans laquelle les moyens de liaison (34) comprennent au moins un bras (35) articulé d'une part sur le châssis pivotant (5) et d' autre part sur le support mobile (23) . 4. Structure according to any one of the preceding claims, wherein the connecting means (34) comprise at least one arm (35) hinged on the one hand on the pivoting frame (5) and on the other hand on the movable support (23).
5. Structure selon la revendication 4, dans laquelle le bras articulé (35) est relié au support mobile (23) par un pivot transversal (36) et présente une lumière de compensation de course (37) dans laquelle est engagé un pivot transversal (38) porté par le châssis pivotant (5) . 5. Structure according to claim 4, wherein the articulated arm (35) is connected to the movable support (23) by a transverse pivot (36) and has a stroke compensation light (37) in which is engaged a transverse pivot ( 38) carried by the pivoting frame (5).
6. Structure selon l'une quelconque des revendications précédentes, dans laquelle le châssis pivotant (5) est équipé d' une plaque frontale d' habillage ( 19), le support mobile (23), en position reculée, s ' étendant au moins en partie au-dessous et à distance de cette plaque d' habillage du châssis pivotant (5), en position allongée.  6. Structure according to any one of the preceding claims, wherein the pivoting frame (5) is equipped with a front cover plate (19), the movable support (23), in the retracted position, extending at least partly below and at a distance from this covering plate of the pivoting frame (5), in an extended position.
7. Structure selon l'une quelconque des revendications précédentes, dans laquelle le châssis fixe (2) comprend une traverse avant (20) formant une butée (20a) pour le châssis pivotant (5), en position allongée.  7. Structure according to any one of the preceding claims, wherein the fixed frame (2) comprises a front cross member (20) forming a stop (20a) for the pivot frame (5) in the extended position.
8. Structure selon l'une quelconque des revendications précédentes, dans laquelle le châssis fixe (2) présente des appuis sur le so l tels qu' il est autoporteur.  8. Structure according to any one of the preceding claims, wherein the fixed frame (2) has supports on the ground so that it is self-supporting.
9. Structure selon l'une quelconque des revendications précédentes, comprenant des flasques latéraux (3) reliés par une traverse de renfort et d' anti-torsion (7) située au-dessous et en avant de l ' axe transversal de pivotement (6) du châssis pivotant (5) .  9. Structure according to any one of the preceding claims, comprising lateral flanges (3) connected by a reinforcing and anti-torsion crossbar (7) located below and in front of the transverse axis of pivoting (6). ) of the pivoting frame (5).
10. Structure selon la revendication 9, comprenant au moins un vérin entre le châssis pivotant (5) et ladite traverse de renfort et d' anti- torsion (7) .  10. Structure according to claim 9, comprising at least one jack between the pivoting frame (5) and said reinforcing crossbar and anti-torsion (7).
EP17714249.4A 2016-04-08 2017-04-04 Lift-up bed structure with retractable seat support Active EP3439507B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17714249T PL3439507T3 (en) 2016-04-08 2017-04-04 Lift-up bed structure with retractable seat support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1653093A FR3049837B1 (en) 2016-04-08 2016-04-08 REINVABLE BED STRUCTURE WITH RETRACTABLE SEAT SUPPORT
PCT/EP2017/057922 WO2017174543A1 (en) 2016-04-08 2017-04-04 Lift-up bed structure with retractable seat support

Publications (2)

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EP3439507A1 true EP3439507A1 (en) 2019-02-13
EP3439507B1 EP3439507B1 (en) 2020-03-25

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US (1) US11419428B2 (en)
EP (1) EP3439507B1 (en)
JP (1) JP2019510612A (en)
CN (1) CN109152484B (en)
ES (1) ES2801398T3 (en)
FR (1) FR3049837B1 (en)
PL (1) PL3439507T3 (en)
PT (1) PT3439507T (en)
WO (1) WO2017174543A1 (en)

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JP5432677B2 (en) * 2008-11-21 2014-03-05 イッサム リサーチ デベロップメント カンパニー オブ ザ ヘブリュー ユニバーシティー オブ イェルサレム リミテッド Method and system for generating video summaries using clustering
US20200367657A1 (en) * 2017-08-02 2020-11-26 Michael Monir Tadros Convertible sofa bed

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1609746A (en) * 1923-04-07 1926-12-07 Vittone Pietro Sofa bed
EP0611537B1 (en) * 1993-02-17 1997-04-23 Sedac-Mecobel Hinge assembly of the headsection of a mattress of a couch bed
US5652978A (en) * 1995-09-14 1997-08-05 Wiig; Selmer Counterbalanced moving pivot folding bed
FR2882634B1 (en) * 2005-03-07 2007-05-18 Alexis Paoutoff FURNITURE STRUCTURE, SUCH AS A RECTANGULAR BED, WITH REMOVABLE FEET
CN101427965B (en) * 2007-11-06 2012-08-29 上海电气集团股份有限公司 Multifunctional electric nursing bed
CN201468624U (en) * 2009-07-16 2010-05-19 帅正强 Novel sofa bed
ITMI20120625A1 (en) * 2012-04-17 2013-10-18 Clei S R L CONVERTIBLE FURNISHING STRUCTURE, FOR USE WITH SOFA FOR BED, AND VICE VERSA
CN203302693U (en) * 2013-06-04 2013-11-27 冯桥青 Folding sofa bed
CN204181223U (en) * 2014-09-20 2015-03-04 韦富晓 Interlock sofa is invisible bed
CN204764468U (en) * 2015-07-23 2015-11-18 段存贤 Bed and tilting mechanism of sofa
CN204995031U (en) * 2015-07-30 2016-01-27 周泽臣 Sofa bed
CN204994946U (en) * 2015-09-22 2016-01-27 杨洪芸 Multi -purpose telescopic bed

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Publication number Publication date
FR3049837B1 (en) 2018-08-31
PT3439507T (en) 2020-06-30
PL3439507T3 (en) 2020-11-02
CN109152484A (en) 2019-01-04
CN109152484B (en) 2021-11-23
US11419428B2 (en) 2022-08-23
WO2017174543A1 (en) 2017-10-12
ES2801398T3 (en) 2021-01-11
FR3049837A1 (en) 2017-10-13
EP3439507B1 (en) 2020-03-25
JP2019510612A (en) 2019-04-18
US20190116985A1 (en) 2019-04-25

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