EP1269894A1 - Lagerungsvorrichtung für eine aus mehreren Elementen bestehenden Untermatratze - Google Patents

Lagerungsvorrichtung für eine aus mehreren Elementen bestehenden Untermatratze Download PDF

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Publication number
EP1269894A1
EP1269894A1 EP02291047A EP02291047A EP1269894A1 EP 1269894 A1 EP1269894 A1 EP 1269894A1 EP 02291047 A EP02291047 A EP 02291047A EP 02291047 A EP02291047 A EP 02291047A EP 1269894 A1 EP1269894 A1 EP 1269894A1
Authority
EP
European Patent Office
Prior art keywords
suspension structure
base
suspension
connection
axis
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
EP02291047A
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English (en)
French (fr)
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EP1269894B1 (de
Inventor
Jacques Lobry
Françoise Lobry
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.)
Tournadre Standard Gum SA
Original Assignee
Tournadre Standard Gum SA
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 Tournadre Standard Gum SA filed Critical Tournadre Standard Gum SA
Publication of EP1269894A1 publication Critical patent/EP1269894A1/de
Application granted granted Critical
Publication of EP1269894B1 publication Critical patent/EP1269894B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern

Definitions

  • the invention relates to a universal suspension device for bedding or for seat, arranged between a bearing surface and a padding.
  • a unitary suspension device for a multi-element type box spring this device being intended for be interposed between a platform determining a bearing surface and a padding element such as a mattress, and having a base intended to be fixed on a platform element, a structure of suspension fixed on the base and a plate carried by the structure of suspension and serving as support for the padding element, said suspension structure being of revolution about a vertical axis.
  • these unitary suspension devices are arranged in rows and columns and fixed on rigid crosspieces constituting the platform.
  • these elements are symmetrical by with respect to a transverse median plane and with respect to a median plane longitudinal, and the hardness is not homogeneous according to the inclination undergone by the tray.
  • WO 01 15572 describes a unitary suspension device comprising a base and a suspension structure, in which the suspension structure, alone and at rest, is in the form of a central ring from which a plurality of radial arms diverge elastic.
  • the ends of these arms include fixing means on a base ring. After mounting these ends of arms on the base ring the arms are in the form of sectors of a sphere, separated by side openings, but they are subject to elastic stresses, and in the event of rupture of these attachments, they must return to a radial position.
  • the invention proposes a new type of suspension in which he does not ask questions air tightness.
  • the invention achieves its object by the fact that the suspension structure only appears at rest in the form of a hollowed-out sphere and monobloc comprising a plurality of sectors separated by side openings and made of a flexible synthetic material or vulcanized rubber with a hardness between 40 shores A and 70 shores D.
  • the base comprises means to prevent rotation with respect to the platform member.
  • the suspension structure and the tray include cooperating means to ensure their connection in traction and in rotation around the axis of revolution of said suspension structure.
  • These means preferably comprise a bayonet fixing system and a clipping system.
  • the base and the suspension structure can be produced in one piece. They can also be carried out in two separate rooms.
  • the suspension structure and the base include cooperating means for ensuring their connection in traction and in rotation about the axis of revolution of said suspension structure.
  • connection structure and the base can be realized in different ways, either by a shaped slide system dovetail and clip system to lock the two parts together after assembly, either by a clipping system and positioning of a tenon in a mortise, either by a system with bayonet combined with a clipping system, either by a device with clamps guided by a slide during assembly, with a device anti-rotation lock which is automatically positioned at the end of the mounting.
  • the mutual liaison means are formed on the two parts during the molding of the latter.
  • the suspension structure can be spherical and include sectors alternating with lateral openings regularly distributed around the axis of revolution of said structure. The dimensions and thicknesses of these sectors are calculated according to the stiffness desired.
  • this the latter may include in its internal cavity a stiffening member removable disposed in its axis of revolution, said member comprising advantageously at its upper end a plug which accommodates in a through hole formed in a fixing head of the plate formed at the upper end of the suspension structure.
  • FIGS 1 to 10 show a unitary suspension device 1 of a multi-element bed base for example, according to a preferred mode for carrying out the invention.
  • This suspension device 1 is intended for be fixed on a cross member of a support platform, not shown on the drawings, and essentially comprises three elements: a base 2 intended to be fixed on a cross member, a suspension structure 3 mounted on the base 2 and a plate 4 supported by the structure of suspension 3.
  • the tray 4 serves as a support for a padding element, a mattress for example, not shown in the drawings.
  • the device suspension 1 may further comprise a stiffening member 5 which allows to modify the stiffness of the suspension device 1 according to the position of this last in the box spring.
  • the box spring has a plurality of devices of suspension arranged in rows and columns juxtaposed.
  • the base 2 shown in detail in Figures 3 and 4, is made in a suitable rigid synthetic material, such as polypropylene or polyamide, by molding, or in metal. It has a central opening 6 allowing its fixing by means of a screw on a cross member, and, on its face lower 2a, a stud 7 intended to be housed in a hole made in the crosspiece, in order to prevent the rotation of the base 2 after its fixing on the crosses.
  • the base 2 further comprises, on its upper face 2b, two side tabs 8a and 8b which extend in the same direction parallel to the cross member and a hole 9 disposed above the stud 7.
  • the tabs 8a and 8b serve to retain the suspension structure 3, and the hole 9 serves to immobilize the suspension structure 3, in particular by rotation after assembly of the latter, as explained below.
  • the suspension structure 3 shown in detail in Figures 5 and 6, is of revolution around a vertical axis X. It is produced in a flexible synthetic material such as TPE or vulcanized rubber. The hardnesses of the materials are adjusted to the loads to be supported. The hardness are preferably between 40 shores A and 70 shores D.
  • the suspension structure 3 is in the form of a sphere which has three sectors 10a, 10b, 10c, separated by three openings lateral 11a, 11b, 11c, regularly spaced around the X axis. The circumferential extent of sectors 10a, 10b, 10c and the openings lateral 11a, 11b, 11c around the axis of revolution X is substantially equal to 60 °.
  • the sectors 10a, 10b, 10c connect a fixing head 12 of the plate 4, located in the upper zone of the suspension structure 3, to a cap 13 located in its lower zone.
  • the cap 13 is generally flat and has a thicker area on its upper face 14 which extends between sector 10a and the opposite opening 11a.
  • a tongue 15 is produced by means of a U-shaped slot in the area more thick 14.
  • a stud 16 is formed on the underside of the tongue 15.
  • the width of the thicker zone 14 is equal to the distance between the two tabs 8a, 8b of the base 2.
  • the thickness of the cap 13 to the outside of the thicker zone 14 is equal to the distance separating the tabs 8a, 8b of the base 2 of the upper face 2b of this base.
  • the head 12 of the suspension structure 3 is present under the form of a neck having a through hole 17 in the X axis.
  • head 12 is intended to be housed in a central orifice 18 formed in the plate 4.
  • the peripheral wall of the head 12 is generally cylindrical and ends at the upper end of the suspension structure 3 with two radially opposite beads 19a and 19b.
  • An axial rib 20 is formed on the peripheral wall of the head 12 under each bead 19a and 19b.
  • the head 12 is connected to the sectors 10a, 10b, 10c by a annular shoulder 21 serving to support the plate 4.
  • the plate 4 shown in detail in Figures 7 and 8, has a shape generally rectangular or square. It can also have any other geometric shape. The main thing is that the shapes of the trays fitted a box spring for example, are complementary and associated.
  • the tray 4 can be made of any kind of material, in particular thermoplastic, wooden, or in a multi-component. He can be covered with fabric for aesthetic reasons. It preferably includes a plurality of slots or openings allowing ventilation of the element of padding it supports.
  • Its central orifice 18 is adapted according to the dimensions of the fixing head 12 and of the beads 19a and 19b.
  • the hole central 18 has diametrically opposite protuberances 22 which slide between the ends of the beads 19a and 19b during assembly of the plate 4 on the fixing head 12.
  • Each protrusion 22 has a groove 23 intended to cooperate with a rib 20, after rotation a quarter turn of the plate 4 around the X axis.
  • the protrusions 22 are dimensioned axially and circumferentially in such a way that after the pivoting of a quarter turn around the X axis the protrusions 22 are housed under the beads 19a and 19b, the grooves 23 cooperating with the ribs 20.
  • This fixing device known as a bayonet, is in itself known and does not deserve further explanation. Plateau 4 after assembly is immobilized axially and in rotation relative to the structure suspension 3.
  • FIG. 9 and 10 show in detail a stiffening member 5 monobloc produced by molding in a material similar to that used to make the suspension structure 3.
  • This stiffening member 5 is introduced into the X axis of the suspension structure 3 through the orifice 17 of the fixing head 12 of the plate 4. It notably has at its end upper a plug 24 which closes the orifice 17.
  • This plug 24 comprises means to allow its fixing in the orifice 17 by rotation of the stiffening member 5, for example, with respect to the structure of suspension 3, during assembly.
  • the stiffening member 5 is interposed between the cap 13 and the fixing head 12 of the plate 4.
  • the stiffening member 5 ensures hardening of the suspension in the box spring areas where the charges identified are the most important.
  • the orifice 17 of the fixing head 13 is closed by a cap 90 shown in FIG. 33.
  • Figures 11 to 13 show a first variant of the device of suspension described above.
  • the cap 13 of the structure of suspension 3 has a uniform thickness and is present opposite the opening 11a has a groove 30 which serves as a guide for a central wall connecting a tongue 31 formed on the upper face 2b of the base 2 to this base 2.
  • the base 2 further comprises on its underside 2a a tenon 32 for quick attachment to a crossmember and two hooks lateral 33a, 33b which grip the edges of the crosspiece, and on its upper face 2b a clipping device 34 facing the end free of the tongue 31, which immobilizes the suspension structure 3 by compared to base 2 after mounting.
  • the fixing head 12 of the tray 4 is full and has a plurality of housings at its periphery 35 in which reside by clipping elastic fingers formed in the central orifice of the plate 4, such as those described in the patent application FR 98 00187 from the applicant, and visible on the plate 4 shown in FIG. 31.
  • Figures 14 to 16 show a second alternative embodiment of the invention.
  • the base 2 has a central opening 6 for the introduction of a fixing screw on a cross member and a stud 7 which emerges on its underside 2a for its immobilization in rotation on the crosses.
  • the base 2 can also have, on its lower face 2a, several nipples 7 aligned or a rib so as to allow a blind docking in a groove in the cross member for a fairer and faster installation of the base 2 on the platform determining the support surface.
  • the suspension structure 3 is fixed to the base 2 by means of a bayonet device.
  • the base 2 has on its upper face 2b three curvilinear hooks 40a, 40b, 40c directed towards the axis of the base 2, and the cap 13 has three hooks 41a, 41b, 41c directed radially outwards and which cooperate by rotation around the X axis coincides with the axis of the base 2 with the hooks 40a, 40b, 40c.
  • Ribs 42 formed above the hooks 41a, 41b, 41c cooperate with grooves 43 formed respectively on the hooks 40a, 40b, 40c to immobilize in rotation the suspension structure 3 relative to the base 2 after assembly.
  • the fixing head 12 of the plate 4 is similar to that shown in Figures 11 and 12, but it could be similar to that shown in Figures 2 and 6.
  • Figures 17 and 18 show a third alternative embodiment of the invention.
  • the base 2 has on its upper face two opposite hooks 44a, 44b directed radially outwards which grip the walls closest to an opening 45 rectangular formed in the center of the cap 13 of the structure suspension 3 and dimensioned to allow the passage of hooks 44a and 44b.
  • the base 2 also has two upper surfaces nipples 46a, 46b which slide on circular ramps formed in the underside of the cap 13 and are housed in holes formed in the underside of the cap 13 in order to lock the suspension structure 3 on the base 2 after mounting by rotation a quarter turn.
  • the connecting means of the structure suspension 3 and base 2 have a slide in the form of dovetail.
  • the cap 13 of the suspension structure 3 has on its underside a rib 50 having a cross section dovetail extending from the X axis to the edge of the cap 13, and which can be slid into a rib 51 also having a dovetail section formed in the upper face 2b of the base 2.
  • the base 2 also has on its lower face 2a two parallel walls 52a, 52b between which is inserted a cross member and a central stud 53 which is housed in a hole in the cross member.
  • Figures 22 and 23 show a fifth alternative embodiment of the invention.
  • the cap 13 of the suspension structure 3 comprises a central hole 54 in which is clipped a half-ball 55 formed on the upper face 2b of the base 2.
  • a tenon 56 is formed on the face lower of the cap 13. This tenon 56 fits in a mortise 57 formed in the upper face 2b of the base 2, and stationary in rotation of the suspension structure 3 relative to the base 2.
  • the base 2 further comprises side walls 52a and 52b and a stud 53, as for the fourth variant, for its assembly and its immobilization rotating on a cross member.
  • the base 2 has on its upper face 2b a central hole 6 for fixing to a crosspiece by a screw.
  • This orifice central and surrounded by a rectangular structure 60 which is housed in a rectangular opening 61 formed in the center of the cap 13.
  • the rectangular structure 60 is equipped with elastic tongues 62a and 62b which grip the edges of the rectangular opening 61 as well as this is visible in figure 24.
  • Figures 26 and 27 show a seventh alternative embodiment of the invention.
  • the cap 13 has on its underside a ball central 63 which can be slid in a radial groove 64 formed in the upper face 2b of the base 2.
  • Other means not shown in Figure 27 allow to immobilize in rotation the structure suspension 3 relative to the base 2 after mounting.
  • FIGs 28 to 31 show a second embodiment of the invention.
  • This suspension device 1 also includes a base 2 shown in FIG. 30, a suspension structure 3 of spherical shape shown in Figure 29 and a square tray shown in Figure 31.
  • the suspension structure 3 has a head attachment 12 of the plate 4, which has a cylindrical wall terminated by an annular bead 70, making it possible to retain elastic fingers 71 provided in the internal wall of the central orifice 18 of the plate 4.
  • the wall internal of this orifice 18 also includes recesses 72 which straddle opposite radial ribs 73a and 73b formed in the upper part of the sphere at the foot of the head 12 so to immobilize, in rotation around the X axis, the plate 4 relative to the suspension structure 3 after mounting.
  • the suspension structure 3 present in its hemisphere lower three sectors 10a, 10b and 10c separated by notches 11a, 11b, 11c of small circumferential extent. But compared to the first mode embodiment, the suspension structure 3 does not include a cap in its lower area. The lower ends of sectors 10a, 10b and 10c are therefore free.
  • the base 2 has beneath its underside side walls 52a and 52b between which is housed a cross member, and a tenon 74 for its attachment to the cross member, and on its upper face 2b, a collar 75 flared up and made up of three elements regularly spaced around the axis of base 2 and each having their face exterior a rib 76 which extends upwards and whose dimension circumferential is equal to the width of a notch 11a, 11b and 11c.
  • a rib 76 which extends upwards and whose dimension circumferential is equal to the width of a notch 11a, 11b and 11c.
  • Figure 32 shows a third embodiment of the invention.
  • the base 2 and the suspension structure are made in one single piece.
  • the base 2 has two tenons on its underside 2a 80a and 80b for its rapid fixing in holes made on a crosses and possibly a stop 81 which bears against a lateral face of the crosspiece.
  • Figure 33 shows a cap 90 which has two legs 91a and 91b which can slide in the space separating the beads 19a and 19b of the head 12 and the protrusions 22 of the plate 4, according to the first embodiment of the invention described above, after pivoting of a quarter turn of the plate 4 and its non-return snap.
  • This cap 90 can be in overmolded fabric or in a piece of material plastic produced by thermocompression. It may include an engraving or an aesthetic setting.
  • Figures 34 to 38 show an eighth variant of the device of suspension described with reference to Figures 1 to 10.
  • the base 2 differs from that shown in FIGS. 3 and 4 by the fact that it includes on its around a recess 100 which extends between the free ends of the side tabs 8a and 8b. It also has on its face lower 2a, along the recess 100, a bead 101 located above of the support surface of the crosspiece.
  • the upper face 2b of the base 2 is free of the hole 9 shown in FIG. 4. This face upper 2b has opposite side tabs 8a and 8b of the extra thicknesses 102a and 102b.
  • the suspension structure 3, adapted to this base 2 and shown in detail in Figures 37 and 38, includes, like the structure of suspension 3, shown in FIGS. 5 and 6, a thicker zone 14 on the upper face of the cap 13 which after assembly of the structure suspension 3 on the base 2 is disposed between the side tabs 8a and 8b, and on the underside of the cap 13 parallel ribs 103a and 103b which after mounting the suspension structure 3 on the base 2 are arranged between the extra thicknesses 102a and 102b of the upper face 2b of the base.
  • the ribs 103a and 103b are arranged under the thicker zone 14 and are parallel to the edges side of this thicker area 14.
  • the suspension structure 3 also present under the underside of the cap 13, and to the right of the lateral opening 11 has a hook 104 which engages in the removal 100 and whose end cooperates with the bead 101 to lock the suspension structure 3 on the base 2.
  • This suspension structure 3 is similar to that shown in Figures 5 and 6, with regard to sectors 10a, 10b, 10c, side openings 11a, 11b, 11c and the head 12 for fixing a plate 4.
  • FIGS 39 and 40 show a support 110 at one end of box spring, shown in dotted lines, on which are mounted suspension devices 1, such as those described above, arranged side by side beside.
  • This support 110 has a vertical wall 111 intended to be pressed against the internal face of a long pan and fixed on this long pan by screws passing through orifices 112a and 112b formed in the wall 111, or by studs formed on this vertical wall 111, or by a hanging angle resting on the upper face of the long pan.
  • a cradle 113 extends horizontally from the lower region of the vertical wall 111. This cradle 113 has two end zones 114a and 114b bent upwards.
  • the middle area of the cradle 113 supports an elastic tongue 115 on which one end of crosses.
  • At the end of each curved zone 114a and 114b are provided with two elastic elements, namely a lateral return 116 which comes resting against a side of the cross member, and an elastic element 117 in inverted U shape whose free end 118 bears on the face top of the crosspiece.
  • the end of the crosspiece is introduced from above into the space delimited by the elastic tongue 115 and the ends of the lateral returns 116 and elastic elements 117.
  • the lateral returns 116 pinch the sides of the crosspiece, ensuring the variability of the machining dimensions.
  • the elements elastic 117 allow the height adjustment of the sleepers, while the elastic tongue 115 compensates for the differences in thickness of the crosspieces and also allows to cushion a set of suspension devices 1 fixed on the crosspiece.
  • the plate 4 has a quadrangular shape and is symmetrical by with respect to longitudinal and transverse planes passing through the X axis. It is obvious that the plates 4 equipping the suspension devices 1 located on the edges of a box spring can be fitted with trays 4 slightly different. In all cases, the fixing systems of the plate 4 on the head 12 of the suspension structure 3 will allow a immobilization of the plate 4 relative to the structure 3 in tension according to the X axis and rotating around the X axis. The same is true for systems for fixing the suspension structure 3 to the base 2 and this last on a cross member of the support platform.

Landscapes

  • Invalid Beds And Related Equipment (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Massaging Devices (AREA)
  • Vibration Prevention Devices (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP02291047A 2001-05-02 2002-04-25 Lagerungsvorrichtung für eine aus mehreren Elementen bestehenden Untermatratze Expired - Lifetime EP1269894B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0105861A FR2824246A1 (fr) 2001-05-02 2001-05-02 Dispositif de suspension pour sommier du type multi-elements
FR0105861 2001-05-02

Publications (2)

Publication Number Publication Date
EP1269894A1 true EP1269894A1 (de) 2003-01-02
EP1269894B1 EP1269894B1 (de) 2006-12-06

Family

ID=8862897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02291047A Expired - Lifetime EP1269894B1 (de) 2001-05-02 2002-04-25 Lagerungsvorrichtung für eine aus mehreren Elementen bestehenden Untermatratze

Country Status (6)

Country Link
US (2) US6994333B2 (de)
EP (1) EP1269894B1 (de)
AT (1) ATE347294T1 (de)
DE (1) DE60216540T2 (de)
ES (1) ES2277990T3 (de)
FR (1) FR2824246A1 (de)

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EP1728454A1 (de) 2005-05-30 2006-12-06 Siegbert Hartmann Einzelfederelement

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EP1728454A1 (de) 2005-05-30 2006-12-06 Siegbert Hartmann Einzelfederelement

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US20020163114A1 (en) 2002-11-07
DE60216540D1 (de) 2007-01-18
DE60216540T2 (de) 2007-09-27
ATE347294T1 (de) 2006-12-15
US6994333B2 (en) 2006-02-07
EP1269894B1 (de) 2006-12-06
ES2277990T3 (es) 2007-08-01
FR2824246A1 (fr) 2002-11-08
US20060033250A1 (en) 2006-02-16

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