Classifications

• • 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
  • A47C17/48—Wall beds characterised by two or more relatively-movable mattress-support parts

Definitions

• Furniture structure such as retractable bed, with retractable legs
• the present invention relates to the field of furniture, more particularly retractable beds.
• the pivoting parts comprise a fixed part and a pivoting part relative to the fixed part and adapted to occupy a horizontal position of use in which the pivoting portion extends forward and a folded position in which the pivoting part is raised vertically .
• the fixed part and the pivoting part are provided with cladding such as in folded position, they have the appearance of a cabinet.
• the casing of the pivoting part has a protruding rim forming a foot of support on the ground in the extended position.
• the object of the present invention is to propose another way of carrying out the support on the ground of the pivoting part in the extended position.
• the present invention relates to a furniture structure, such as a retractable bed, which comprises a fixed part and a pivoting part comprising a substantially flat frame and hingedly mounted on the fixed part between a substantially vertical raised position and a position elongated substantially horizontal.
• said pivoting part comprises at least one guide which extends substantially perpendicular to said frame and at least one foot mounted on said guide so as to slide and actuating means connecting said foot to said fixed part and adapted to move the latter between an output position when said pivoting portion is in the extended position so that its free end bears on the ground and a retracted position when the bed is in its raised position.
• the pivoting part preferably comprises a front wall facing the ground when it is in its extended position, said foot extending through this front wall of such that in the retracted position its free end is close to this front wall.
• said front wall and said frame preferably delimit a space in which said actuating means are arranged.
• the structure preferably comprises a stroke limiting stop and / or anti-collapse cooperating with the foot when the latter is in its extended position.
• said actuating means preferably comprise a member pivotally mounted on the pivoting part, this member comprising two arms of which a first arm is connected to the foot by a first rod and a second arm is connected to the fixed part by a second rod.
• the transverse axis of articulation of the second arm on the second bead is preferably not aligned with the transverse axis of articulation of this second rod on said fixed part and the transverse axis of articulation of said member on said pivoting part.
• the transverse axis of articulation of the second arm on the second bead wire is preferably on one side of the plane passing through the transverse axis d. articulation of this second rod on said fixed part and the transverse axis of articulation of said member on said pivoting part.
• the structure preferably comprises means such that said first arm and said first rod produce a toggle effect when said foot is in its extended position.
• the fixed part preferably comprises a stroke limiting stop of said first arm and said first rod such that said first arm and said first rod produce a toggle effect when said foot is in its extended position.
• said guide preferably comprises a tubular part in which said foot is slidably mounted.
• said tubular portion and said foot preferably have square sections.
• the free end of said foot preferably has an end plate coming in the vicinity of or in abutment with the front face of said front wall when said foot is brought to its retracted position.
• the length of said foot is preferably adjustable.
• said fixed part may advantageously comprise two lateral flanges and said pivoting part comprises a frame, this frame being carried by said fixed part by means of a transverse axis of articulation, said lateral flanges being connected by a reinforcement transverse bar, integral with these flanges and disposed in an area below said pivot axis, said actuating means being connected to this reinforcing bar.
• FIG. 1 shows a perspective view, in the extended position, of a basic structure of a retractable bed according to the invention
• - Figure 2 shows a perspective view, in the raised or folded position, of the basic structure of Figure 1;
• FIGS. 3 and 4 show perspective views, respectively in the extended position and in the raised position, of the abovementioned basic structure, equipped with a covering;
• FIG. 5 shows a partial perspective view of a foot and its actuating means equipping the aforementioned structure;
• Figures 6, 7 and 8 show partial side views, respectively in the extended position, in the intermediate position and in the raised position, the foot and its actuating means of Figure 5.
• the liftable or foldable bed structure 1 shown comprises a fixed support 2 which comprises two lateral flanges 3 spaced apart from each other and a pivoting frame 4 which has a portion engaged between these flanges 3 and which is pivotally mounted on the latter by via a transverse axis of pivoting 5.
• the fixed support 2 comprises cross members 6 integral with the flanges 3 and adapted to be in contact with the ground and / or a wall and fix it for example by screws passing through them.
• the fixed support 2 further comprises a transverse reinforcing bar 7 integral with the flanges 3 and disposed in an area situated below the pivot axis 5.
• the pivoting frame 4 comprises a substantially rectangular frame 8 consisting of lateral bars 8a and rear and front transverse bars 8b and intermediate bars forming a cross 9 and connected to the bars 8a and 8b.
• the pivoting frame 4 further comprises lower transverse bars 1.0 which are arranged approximately at the two ends and in the middle of the frame 8 and whose ends are connected to the lateral bars 8a of this frame.
• Actuating means for pivoting the frame 4 between an extended horizontal position of use in which the frame 8 extends forwardly and a folded position in which the frame 8 is lifted vertically, include lateral pneumatic cylinders 11 d which are installed between the reinforcing bar 7 and the lateral bars 8a of the frame 8 and a user-controllable actuating cylinder 12 which is installed between the middle of the reinforcing bar 7 and the central bar 9a of the cross 9 parallel to the side bars 8a.
• the structure 1 further comprises a fixed covering which comprises in particular lower lateral flanks 13 fixed on the outer faces of the flanges 3 and the upper lateral flanks 14 extending upwards the lower lateral flanks 13 and presenting front edges recessed rearwardly with respect to the vertical edges before lower sidewalls 13.
• the structure 1 also comprises a cladding mounted on the frame 4, which comprises in particular a casing box 15 whose rear portion is engaged between the flanges 3.
• This box 15 comprises side walls 16, a front wall 17 which faces the ground when it is in its extended position and which is fixed on the transverse bars 10 of the frame 4, providing a space between the frame 8 and the wall front 17 to accommodate the cylinders 1 1 and 12, and a transverse wall front 1 8 located on the side of the free end of the frame 4 and a rear transverse wall 18a located on the side of the rear free end of the frame 4.
• the box 15 engages between the lower flanks 13 and partly between the upper flanks 1 4, so that the structure 1 has the appearance of a cabinet, the upper edge of the wall rear 18a coming close to the lower edge of the rear wall 14a.
• the front portions, situated on the side of the front wall 18, of the lateral bars 8a of the frame 8 are provided with plates 19 which extend towards the front wall 17 and which bear, close to this wall and opposite one of the other, portions of tubular sections 20 of square sections which constitute guides perpendicular to the plane of the frame 8 and the front wall 17.
• the front wall 17 has square through-passages 21 formed opposite the tubular sections 20.
• retractable legs, 22 of square sections, dimensioned so as to be able to slide perpendicularly to the plane of the frame 8 and the front wall 17 and through the passages 21.
• the feet 22 protrude from one side and the other of the tubular sections 20 and their ends outside the front wall 17 carry square plates 23 larger than the passages 21, these The plates are preferably mounted adjustable on the feet in the sliding direction of the latter, for example by screw-nut systems, so that the length of the feet is adjustable.
• the inner ends of the legs 22 are connected to actuating means 24 placed in the space between the frame 8 and the front wall 17 and constructed in the following manner.
• the actuating means comprise pivoting members
• the arms 27 are connected to the inner end of the feet 22 by means of rods 29 articulated on the feet 22 by means of transverse hinge pins 30 and on the arms 27 by means of transverse hinge pins 31.
• arms 28 are remotely connected to the reinforcing bar 7 by means of long rods 32 hinged to the reinforcing bar 7 by means of transverse hinge pins 33 and on the arms 28 by means of transverse hinge pins 34 .
• the actuating means 24 are dimensioned such that the pivoting of the frame 4 causes the feet to slide in the guides 20 under the effect of the variation of the distance between the transverse axes 26 and the transverse axes 34 and the rotation resulting from the pivoting members 25.
• the feet When chassis 4 is brought to its raised position, the feet are brought to a retracted position, visible in FIG. 8, in which the plates 23 come close to the outer face of the front wall 17, preferably in contact with the latter. , through intermediate positions visible in Figure 7. Thus, the feet 22 are no longer visible.
• the transverse axes 34 of the arm 28 on the rods 32 are located on one side of the plane passing through the transverse axes 33 of the rods 32 on the reinforcing bar 7 of the fixed support 2 and the transverse axes 26 of the pivoting members 25 on the frame 8 of the pivoting frame 4.
• the transverse axes 31 go slightly beyond their position aligned with the transverse axes 26 and 30 and the arms 27 abut against limit stops 35 and The stops 35 being carried by the plates 19.
• the arms 27 and the rods 29 produce a toggle effect.
• the present invention is not limited to the particular embodiment described above.
• the fixed part and the pivoting part of the structure could be of different designs.
• the pivoting portion could be a thick front door of a piece of furniture.
• the shapes and layouts of the guides and sliding feet could be different.
• the actuating means could also be different. Many variants are indeed possible without departing from the scope of the appended claims.

Applications Claiming Priority (2)

Publications (2)

Family

ID=34954956

Family Applications (1)

Country Status (7)

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• 2005
  • 2005-03-07 FR FR0502264A patent/FR2882634B1/fr not_active Expired - Fee Related
• 2006
  • 2006-02-27 CA CA002599285A patent/CA2599285A1/fr not_active Abandoned
  • 2006-02-27 EA EA200701912A patent/EA010492B1/ru not_active IP Right Cessation
  • 2006-02-27 WO PCT/FR2006/000432 patent/WO2006095073A1/fr active Application Filing
  • 2006-02-27 US US11/885,874 patent/US7823231B2/en not_active Expired - Fee Related
  • 2006-02-27 CN CN2006800070192A patent/CN101163426B/zh not_active Expired - Fee Related
  • 2006-02-27 EP EP06709381A patent/EP1871199B1/de active Active

Non-Patent Citations (1)

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