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.

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

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=56373005

Family Applications (1)

Country Status (9)

Families Citing this family (2)

Family Cites Families (12)

• 2016
  • 2016-04-08 FR FR1653093A patent/FR3049837B1/fr active Active
• 2017
  • 2017-04-04 WO PCT/EP2017/057922 patent/WO2017174543A1/fr active Application Filing
  • 2017-04-04 EP EP17714249.4A patent/EP3439507B1/de active Active
  • 2017-04-04 JP JP2019503626A patent/JP2019510612A/ja active Pending
  • 2017-04-04 CN CN201780029901.5A patent/CN109152484B/zh active Active
  • 2017-04-04 US US16/091,933 patent/US11419428B2/en active Active
  • 2017-04-04 PL PL17714249T patent/PL3439507T3/pl unknown
  • 2017-04-04 PT PT177142494T patent/PT3439507T/pt unknown
  • 2017-04-04 ES ES17714249T patent/ES2801398T3/es active Active

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