EP1603433A1 - Systeme modulaire pour le montage de dispositifs de soutien, pouvant etre deplaces au moyen d'un moteur, destines au rembourrage de meubles d'assise et/ou couchage - Google Patents

Systeme modulaire pour le montage de dispositifs de soutien, pouvant etre deplaces au moyen d'un moteur, destines au rembourrage de meubles d'assise et/ou couchage

Info

Publication number
EP1603433A1
EP1603433A1 EP04739361A EP04739361A EP1603433A1 EP 1603433 A1 EP1603433 A1 EP 1603433A1 EP 04739361 A EP04739361 A EP 04739361A EP 04739361 A EP04739361 A EP 04739361A EP 1603433 A1 EP1603433 A1 EP 1603433A1
Authority
EP
European Patent Office
Prior art keywords
support device
longitudinal
modular system
drive motor
pivot
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.)
Withdrawn
Application number
EP04739361A
Other languages
German (de)
English (en)
Inventor
Eckhart Dewert
Johannes Schneider
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.)
Cimosys AG
Original Assignee
Cimosys AG
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
Priority claimed from DE102004016048A external-priority patent/DE102004016048A1/de
Application filed by Cimosys AG filed Critical Cimosys AG
Publication of EP1603433A1 publication Critical patent/EP1603433A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously

Definitions

  • the invention relates to a modular system for mounting motor-adjustable support devices for upholstering seating and / or reclining furniture.
  • Support devices for upholstery of seating and / or reclining furniture are, for example, in the form of
  • Slatted frames generally known.
  • the known slatted frames have a base body which has a plurality of supporting parts which can be adjusted relative to one another and on which, for example, a mattress of a bed is supported when the slatted frame is used.
  • the supporting parts can be pivoted relative to one another about horizontal pivot axes which are essentially parallel to one another.
  • the slatted frame can have a fixed central support part, with one end of which an upper body support part is connected in an articulated manner and pivotable about a horizontal pivot axis, a leg support part being connected to the end of the middle support part facing away from the upper body support part and being pivotable about a horizontal pivot axis can, so that this known slatted frame has three successive support parts in the longitudinal direction of the slatted frame.
  • Slatted frames with five or more supporting parts are also known, usually with the middle End of the upper body support part facing away from the lower support part is connected in an articulated manner and pivotable about a horizontal pivot axis, while a head support part is connected to the end of the leg support part facing away from the central support part in an articulated manner and around a horizontal axis
  • a calf support part is pivotally connected to the pivot axis.
  • the hingedly connected supporting parts are formed in that longitudinal bars of the slatted frame have a plurality of sections which follow one another in the longitudinal direction, two sections successively in the longitudinal direction being connected to one another in an articulated manner and corresponding sections of the two longitudinal bars being connected to one another and possibly together with at least one cross member connecting these sections form a support part.
  • the supporting parts carry suspension elements on their upper side, for example resilient slats.
  • the corresponding sections of the longitudinal spars are generally firmly connected to one another in that these sections are, for example, glued to a transverse spar. In this way, a non-destructive disassembly of the known slatted frames is not possible.
  • Cross bars are connected to the longitudinal bars via screw connections. Even with these known slatted frames, non-destructive dismantling is not provided.
  • drives in the form of so-called double drives are known, in which two drive units are accommodated in a common housing.
  • Such a double drive is known for example from EP 0 372 032 B2.
  • a motor-adjustable support device in the form of a slatted frame is known, in which a double drive is provided for the electromotive adjustment, which is arranged below a stationary central support part.
  • a bracket is provided which is connected in a rotationally fixed manner to a shaft pivotably mounted on a substructure of the slatted frame and on which the upper body support part lies loosely.
  • a link arrangement for pivoting a leg support part and a calf support part connected to it, which is connected in a rotationally fixed manner to a further shaft mounted on the substructure of the slatted frame.
  • the shafts are swiveled by means of the drive units of the double drive.
  • the double drive can be removed from the slatted frame itself.
  • DE 199 62 541 C3 discloses a motor-adjustable support device in the form of a slatted frame in which at least one of the longitudinal spars of one of the support parts is designed as a hollow profile, an electromotive drive for adjusting the support parts being accommodated in the hollow profile relative to one another.
  • the longitudinal bars are firmly connected to one another via cross bars.
  • the width of the known slatted base is due to the fittings used, via which the electric motor drive to be adjusted
  • the supporting parts act, are fixed and cannot be changed.
  • a similar support device is also known from DE 100 46 751 AI.
  • the invention has for its object to simplify the manufacture of motor-adjustable support devices and thus to make them more cost-effective. This object is achieved by the teaching specified in claim 1.
  • the basic idea of the teaching according to the invention is to produce motor-adjustable support devices for upholstery of seating and / or reclining furniture, in particular slatted frames, by means of a modular system, the components of which can be used for mounting different support devices.
  • Essential elements of the modular system according to the invention are a first longitudinal spar assembly and at least a second longitudinal spar assembly and connecting means which serve to releasably connect the first longitudinal spar assembly and the second longitudinal spar assembly to one another at a lateral distance from one another, such that support devices differ in particular when using the same longitudinal spar assemblies - Rather width can be mounted by using different lateral distances between the longitudinal beam assemblies defining connecting means.
  • support devices of different widths can therefore be mounted in particular using the same longitudinal beam assemblies by using connecting means of different widths.
  • the assembly of motor-adjustable support devices is considerably simplified and rationalized, and is therefore more cost-effective.
  • Due to the releasable connection of the longitudinal spar assemblies to one another by the connecting means it is possible according to the invention to transport the support device, for example a slatted frame, into its individual parts. This way compared to the transport of the support device as a whole, which is required in conventional support devices, a substantial space saving.
  • the support device Due to the detachable connection of the components of the support device to one another, the support device can also be assembled, for example, by an end customer.
  • At least one of the longitudinal spar assemblies is designed as a housing for receiving at least parts of a drive device and / or an output device.
  • a drive device which in the assembled state of the support device serves to adjust the support parts of the support device relative to one another, can be at least partially integrated into one of the longitudinal beam assemblies. In this way there is no need for a separate housing
  • At least one of the longitudinal spar assemblies is designed as a preferably closed or one-sided open hollow profile. Hollow profiles of this type, for example made of plastic, are particularly cost-effective.
  • the drive device expediently has at least one drive motor, in particular an electric motor.
  • the longitudinal spar assembly designed in the housing provides that the drive device including at least one electric motor is accommodated in the housing.
  • the drive device is completely accommodated in the longitudinal spar assembly. It therefore no longer appears optically and is also protected against dirt and damage.
  • End of the drive motor is arranged outside the housing, that a recess is formed in a side wall of the first longitudinal beam assembly opposite the second longitudinal beam assembly and that the drive motor is in drive connection through the recess with parts of the drive device arranged inside the first longitudinal beam assembly.
  • the drive motor is arranged outside the longitudinal spar assembly. In this way, the spatial freedom in the choice of the gear arrangement is expanded compared to an embodiment in which all components of the drive device are accommodated in the hollow longitudinal spar.
  • particularly simple and therefore inexpensive gear arrangements can be used, so that the support device according to the invention is particularly simple and therefore inexpensive to manufacture.
  • Output shaft of the drive motor or an end of the drive motor which carries the output shaft of the drive motor or a first transmission which is in rotary drive connection with the output shaft of the drive motor element protrudes into the interior of the first longitudinal beam assembly, the first gear element being in engagement with a second gear element arranged inside the first longitudinal beam assembly when the support device is in the installed state.
  • the drive motor is arranged essentially completely outside the first longitudinal spar assembly.
  • the output shaft of the drive motor or the first gear element connected to the output shaft in rotary drive connection can protrude into the interior of the first longitudinal beam assembly.
  • the first gear element is a worm of a worm gear
  • Worm gear is arranged inside the first longitudinal spar assembly and forms the second gear element.
  • Such worm gears are available as simple and inexpensive standard assemblies. They enable a particularly high reduction and are particularly robust.
  • additional gear elements can be arranged between the output shaft of the drive motor and the worm, via which the worm is connected to the output shaft in a rotary drive connection.
  • the worm is non-rotatably connected to the output shaft of the drive motor, in particular is integrally formed on the output shaft of the drive motor.
  • the drive motor it is possible for the drive motor to project upwards or downwards in the side view above the associated longitudinal beam assembly.
  • the drive motor in the side view lies essentially within the profile height of the associated longitudinal beam assembly, in such a way that the drive motor is arranged in the vertical direction essentially without protrusion on or in the first longitudinal beam assembly.
  • This embodiment results in a particularly low overall height, which is determined by the profile height of the longitudinal spar assemblies.
  • the drive motor can be arranged on a side of the associated longitudinal beam assembly facing away from the other longitudinal beam assembly.
  • the drive motor is arranged on a side of the associated longitudinal beam assembly facing the other longitudinal beam assembly, such that the drive motor is arranged between the longitudinal beam assemblies.
  • the drive motor is concealed in the side view by the associated longitudinal spar assembly and therefore hardly appears optically.
  • the drive force of the drive motor can be transmitted to the support parts in order to adjust them in any suitable manner.
  • a particularly advantageous development of the teaching according to the invention provides that in or on at least one of the longitudinal spar assemblies at least one pivot shaft is pivotally mounted, which forms an output element of the drive device and, in the assembled state of the support device, with at least one adjusting support part of the support device is in operative connection.
  • This embodiment results in a particularly simple and robust construction.
  • An advantageous development of the aforementioned embodiment provides that at least two pivot shafts are mounted in or on at least one of the longitudinal spar assemblies, which are assigned different support parts for adjusting the same in the mounting position of the support device.
  • each of the pivot shafts is expediently operatively connected to the associated support part via a lever arrangement in the assembled state of the support device.
  • the lever arrangement can consist of a single, in particular one-armed lever or a combination of several levers.
  • the lever arrangement in each case has at least one swivel lever which is connected to the associated swivel shaft in a rotationally fixed manner.
  • the pivot lever can be releasably connected to the associated pivot shaft.
  • the pivot lever is firmly connected to the associated pivot shaft, in particular is welded to the pivot shaft.
  • the swivel lever is already connected to the swivel shaft by the manufacturer, so that the assembly of a support device according to the invention is further simplified by means of the modular system according to the invention.
  • Embodiment with the pivot lever provides that a lever extension can be connected to at least one of the pivot levers, but is preferably pivotally fixed.
  • the length of the lifting arm of the swivel lever can be selected within wide limits by appropriately selecting a lever extension. In a particularly simple and flexible manner, this makes it possible to adapt the support device to be mounted in each case by means of the modular system according to the invention to the respective load case.
  • a pivoting of a support part can be carried out by means of the pivot lever such that the support part lies loosely on the pivot lever, so that it is pivoted when the pivot lever is pivoted.
  • lever arrangement in particular the pivoting lever, forms part of the longitudinal spar.
  • the structure is further simplified, since the pivot lever itself forms part of the longitudinal spar and thus an additional pivot lever as a separate component is not required.
  • At least one of the longitudinal spar assemblies is used as a housing is designed to accommodate at least parts of a drive device and / or an output device
  • at least one drive device is assigned to each of the longitudinal spar assemblies.
  • drive devices of the same type as the longitudinal spar assemblies can be arranged so that the force is introduced symmetrically from the drive devices into the support parts with respect to a longitudinal center plane of the support device.
  • the support device to be assembled has a particularly large width, for example in the case of a slatted frame for a double bed, it is expedient if at least one drive device is assigned to each of the longitudinal beam assemblies or, in the case of more than two longitudinal beam assemblies, to at least two of the longitudinal beam assemblies.
  • transmission means for transmitting a rotation of a first swivel shaft assigned to the first longitudinal spar assembly to a third swivel shaft assigned to the second longitudinal spar assembly and / or for transmitting a rotation of a second swivel shaft assigned to the first longitudinal spar assembly to one of the second longitudinal spar assembly fourth pivot shaft are provided.
  • the first longitudinal beam assembly can be assigned at least one drive device which rotates the first pivot shaft and the second pivot shaft, while the third and fourth pivot shaft, which are assigned to the second longitudinal beam assembly, via the transmission means by the first or the second swivel shaft is taken along and driven in rotation.
  • a drive device provided on the second longitudinal spar assembly is not required. borrowed.
  • first and the third pivot shaft in the assembled state of the support device are assigned to the same supporting parts to be adjusted and / or that the second and fourth pivot shaft are assigned to the same support part to be adjusted in the assembled state of the support device.
  • the transmission means can be designed in any suitable manner.
  • the transmission means can have gear elements that transmit rotation of the first or third pivot axis to the second or fourth pivot axis.
  • the transmission means connect the first and the third pivot axis and / or the second and the fourth pivot axis to one another essentially in a rotationally fixed manner.
  • the transmission means for producing an essentially rotationally fixed connection between two swivel shafts have at least one connection shaft.
  • the construction is particularly simple and thus inexpensive, since the transmission of the rotation of a pivot shaft assigned to the first longitudinal spar assembly to the corresponding pivot shaft assigned to the second longitudinal spar assembly takes place by means of a simple connecting shaft.
  • the connecting shaft can be connected to the assigned swivel shafts in any suitable manner.
  • the connecting shaft is advantageously detachable in any suitable manner, that is to say free of permanent connecting means, from the associated pivot shafts.
  • An extremely advantageous further development provides that the connecting shaft can be connected non-rotatably in the circumferential direction but loosely in the axial direction to the swivel shafts.
  • the assembly of the connecting shaft on the swivel shafts is particularly simple because the non-rotatable connection is made free of permanent fasteners.
  • the pivot shafts to be connected each have an axial recess with a non-circular cross section and that the axial ends of the connecting shaft each have a cross section which is essentially complementary to the associated recess, such that the connecting shaft also its ends in the circumferential direction essentially engages positively in the recesses in the pivot shafts.
  • the assembly of the Connection shafts on the swivel shafts designed particularly simple.
  • a particular advantage of this embodiment is that in order to realize different widths of the support device, it is only necessary to cut the connecting shaft to the desired width.
  • the connecting shaft can consist of a square material, for example a square tube or a square rod, which is cut to length according to the desired width of the respective support device.
  • Swivel shafts can be formed, for example, as blind holes. If the recesses in the swivel shafts are designed as continuous recesses, then stop means are expediently provided to limit the axial insertion depth of the ends of the connecting shaft into the recesses of the swivel shafts. In this embodiment, it is ensured that the longitudinal spar assemblies connected to one another via the connecting shaft or the connecting shafts are at a distance from one another after assembly of the connecting shafts, which distance is predetermined by the length of the respective connecting shaft or connecting shafts.
  • the sling means can be designed in any suitable manner. be educated.
  • a particularly simple and inexpensive development provides that the stop means in the assembled state of the support device are at least partially formed by an outer frame of the support device.
  • additional slings are not required.
  • the outer frame of the support device can be formed, for example, by two wooden strips that are parallel to and spaced from one another in the assembled state, one of the longitudinal beam assemblies being attached to each of the strips.
  • a stop is expediently assigned to each of the pivot shafts to be connected to one another in a substantially rotationally fixed manner.
  • the respective longitudinal spar can be formed by the lever arrangement or part of the lever arrangement, so that the support parts are at least partially formed by the lever arrangement itself.
  • suspension elements for example resilient slats, are then carried directly by parts of the lever arrangement.
  • at least one of the lever arrangements can be clad by means of a cladding, the top side of which in the assembled state of the support device forms the top side of the respective longitudinal spar.
  • the support device according to the invention is designed to be more visually appealing.
  • the respective longitudinal spar in the longitudinal direction of the support device is formed at least in sections by the associated longitudinal spar assembly. This embodiment results in a particularly simple construction with few components.
  • the respective longitudinal spar in the longitudinal direction of the support device is formed at least in sections by the pivot lever or a covering of the pivot lever.
  • longitudinal bars in the assembled state of the support device in the longitudinal direction of the support device are formed at least in sections by profile elements, in particular hollow profile elements or profile elements open on one side.
  • a longitudinal spar is understood to mean a load-bearing component which extends in the longitudinal direction of the respective support device and which absorbs support forces in the mounting position of the support device and directly or indirectly carries the suspension elements provided for supporting the padding, in particular resilient slats or the like.
  • the cladding of the lever arrangement in the assembled state of the support device is formed at least in sections by profile elements, in particular hollow profile elements or profile elements which are open on one side. This embodiment has a particularly simple structure.
  • the profile elements advantageously consist of plastic. In this way, the manufacturing costs for the profile elements are kept low.
  • holding elements for holding suspension elements in particular resilient slats
  • holding elements can be detachably connected to the top of the respective longitudinal spar.
  • the holding elements can be designed as separate components which are only connected to the respective longitudinal spar when the support device is installed. In this way, the structure of the support device according to the invention is made even more modular in accordance with the basic idea of a modular system.
  • the holding elements can be firmly connected to the suspension elements.
  • the holding elements releasably hold the suspension elements.
  • connection means are at least partially, preferably essentially completely, formed by the transmission means. If the transmission means are formed, for example, by a swivel shaft or a plurality of swivel shafts, these swivel shafts can, for example, simultaneously form the connecting means for connecting the longitudinal beam assemblies to one another, so that additional connecting means are not required. This results in a particularly simple construction with few components.
  • the support device has a fixed central support part and at least one additional support part which is adjustable relative to the central support part and / or that the longitudinal beam assemblies form parts of the central support part.
  • a support part is, according to the invention, a component of a support device according to the invention that absorbs the support forces that occur when padding is supported, and in particular carries the suspension elements on which the padding is supported when the support device is used.
  • a transverse spar is understood to mean a spar which connects the longitudinal spars, which absorb the supporting forces which occur when supporting an upholstery, of the supporting part to one another. det.
  • the design of the support device according to the invention is further simplified by dispensing with such cross bars in the region of the central support part.
  • the assembly of support devices by means of the modular system according to the invention is also simplified.
  • the longitudinal beam assemblies used in the modular system are designed as separate structural units.
  • a support device which can be mounted by means of the modular system according to the invention is specified in claim 46.
  • Advantageous and expedient developments of the support device according to the invention are specified in subclaims 47 to 90.
  • a longitudinal spar assembly that can be used in a modular system according to the invention is specified in claim 91.
  • Advantageous and expedient developments of the longitudinal spar assembly according to the invention are specified in subclaims 92 to 104.
  • FIG. 1 is an exploded view of components of a modular system according to the invention
  • Fig. 2 shows a longitudinal section through a first
  • FIG. 3 in the same representation as Fig. 2, but compared to Fig. 2 in an enlarged
  • FIG. 5 is a side view of the longitudinal beam assembly according to FIG. 2 in the assembled state
  • FIG. 6 is a perspective view of a detail from the area of a panel of a pivot lever
  • FIG. 7 shows a perspective view of a slatted frame according to the invention in the partially assembled state
  • FIG. 8 shows a further perspective view of the partially assembled slatted frame according to FIG. 7
  • FIG. 9 shows a perspective view of a slatted frame created by means of the modular system according to FIG
  • FIG. 10 in the same representation as FIG. 9 shows the slatted frame according to FIG. 9 on a smaller scale than FIG. 9, all slats being shown, FIG. 11 in the same representation as FIG. 4
  • FIG. 12 in the same representation as FIG. 11, but on an enlarged scale, the longitudinal spar assembly according to FIG. 4 with supporting parts arranged thereon in one
  • FIG. 13 in the same representation as FIG. 5, the longitudinal spar assembly with supporting parts arranged thereon according to FIG. 5 in an adjustment position, FIG.
  • FIG. 14 in the same representation as Fig. 13, the longitudinal spar assembly with supporting parts arranged thereon according to Fig. 13 in an end position of the adjustment movement, Fig. 15A to 15F in the same representation as Fig. 3, a disengaging process of a disengageable component to interrupt the drive train Carrying out an emergency lowering of the head part of the slatted base according to FIGS. 9 and 16A to 16E in the same representation as FIG. 3
  • the disengaged component is engaged.
  • Fig. 1 components of a modular system according to the invention for mounting motor-adjustable support devices for upholstery of seating and / or reclining furniture are shown.
  • the invention
  • the modular system is used to mount slatted frames, of which a slatted frame 2 is shown in FIG. 1 as an example.
  • the modular system according to the invention has one first longitudinal beam assembly 4 and a second longitudinal beam assembly 6, which are designed as separate units and can be detachably connected to one another and non-destructively removed by connecting means in a manner explained in more detail below to form a base body 8 of the slatted frame 2.
  • the base body 8 of the slatted frame 2 has two parallel longitudinal bars 10, 12.
  • the longitudinal beam 10 has a first longitudinal beam section 14, a second longitudinal beam section 16, a third longitudinal beam section 18, a fourth longitudinal beam section 20, a fifth longitudinal beam section 22 and a sixth longitudinal beam section 24 in succession in the longitudinal direction of the slatted frame 2.
  • the first longitudinal beam section 14 is articulated and pivotable about a horizontal pivot axis with one end of the second longitudinal beam section 16, with the other end of which the third longitudinal beam section 18 is firmly connected.
  • the end of the third longitudinal beam section 18 facing away from the second longitudinal beam section 16 is connected in an articulated manner and pivotable about a horizontal pivot axis to the fourth longitudinal beam section 20, which is stationary and is formed in this exemplary embodiment by the first longitudinal beam assembly 4.
  • the sixth long beam section 24 is connected.
  • the second longitudinal spar 12 has corresponding longitudinal spar sections 14 ', 16', 18 ', 20 ', 22', 24 'on.
  • the longitudinal beam sections 18, 18' form a lumbar support part 28
  • the longitudinal beam sections 16, 16 'an upper body support part 30 and the longitudinal beam sections 14, 14' form a headrest part 32.
  • the longitudinal beam sections 22, 22 ' form a leg support part 34 and the longitudinal beam sections 24, 24' form a calf support part 36.
  • the support parts 26-36 formed in this way have on their side facing the support side, on which, when using the slatted frame 2, an upholstery, for example a mattress, is supported on the support parts 26-36, in the exemplary embodiment according to FIG. 1 on its upper side and thus on the upper side of the longitudinal spars 10, 12 holding elements for holding suspension elements, of which only one holding element is provided with the reference symbol 38 in FIG. 1.
  • an upholstery for example a mattress
  • holding elements 38 serve to releasably hold resilient slats, which are not shown in FIG. 1.
  • connecting means provided according to the invention, which form an essential part of the modular system according to the invention and the slatted base 2 according to the invention, are formed in this exemplary embodiment by connecting shafts 40, 42, the function of which will be explained in more detail below.
  • the connecting shafts 40, 42 are through in this embodiment
  • Tubes with a non-circular cross-section namely an outer cross-section which is essentially square in this embodiment.
  • the slatted frame 2 also has an outer frame on, which in this embodiment has two mutually spaced and mutually parallel strips 44, 46 which can be placed on a substructure of a bed, not shown in the drawing, for positioning the slatted frame 2.
  • the first longitudinal beam assembly 4 is detachably connected to the strip 44
  • the second longitudinal beam assembly 6 is detachably connected to the strip 46.
  • the longitudinal beam assemblies 4, 6 can in particular be screwed onto the strips 44 and 46, respectively.
  • the sixth longitudinal beam section 24 is articulated in the region of its free end via a link 50 to the bar 44, while the longitudinal bar section 24 is articulated in a corresponding manner via a link 50 'with the bar 46.
  • An axis 52 is provided for the pivotable mounting of the links 50, 50 '.
  • the first longitudinal beam assembly 4 which in this exemplary embodiment is a closed hollow profile and is designed as a housing 54 for receiving parts of a drive device 56.
  • the drive device 56 has two drive units 58, 58 ′, which are accommodated together in the housing 54 and thus form a double drive.
  • the drive unit 58 serves, in a manner explained in more detail below with reference to FIG. 3, for pivoting a pivot lever 60 about a first pivot axis 62, which is horizontal in this exemplary embodiment, while the drive unit 58 ′ for
  • Swiveling a pivot lever 64 around a second pivot axis 66 parallel to the first pivot axis 62 is used.
  • Fig. 3 shows on a larger scale than Fig. 2 Drive unit 58, which is explained in more detail below.
  • the drive unit 58 ' is constructed accordingly and is therefore not explained in more detail.
  • the drive unit 58 has an electric motor (not recognizable in FIG. 3) as the drive motor, the output shaft of which is designed as a worm 68 and is in engagement with a worm wheel 70 which is rotatably mounted in the interior of the housing 54 and forms a worm gear with the latter.
  • a threaded spindle 72 which is rotatably mounted in the interior of the housing 54, is connected to the worm wheel 70 in a rotationally fixed manner, on which a spindle nut 76 is arranged so as to be non-rotatable and movable in the axial direction of the threaded spindle 72 in the direction of a double arrow 74.
  • the spindle nut 76 forms a drive element of the drive unit 58 which is linearly movable along a linear movement axis coinciding with the longitudinal axis of the threaded spindle 72.
  • the spindle nut 76 is formed by a component made of plastic and is screwed onto the external thread of the threaded spindle 72 with an internal thread 78.
  • the spindle nut 76 also has a pin 80 extending perpendicular to the threaded spindle 72.
  • a first pivot shaft 82 which is pivotable about the first pivot axis 62 and is formed in this exemplary embodiment by a shaft journal, is mounted in the housing 54.
  • the first pivot shaft 82 has an axis that extends in the axial direction of the first pivot axis 62 and passes through the pivot shaft 82
  • Recess 84 which in this embodiment has a non-circular, substantially square cross-section.
  • the essentially quadrangular cross section of the recess 84 is in relation to the outer cross section of the Binding shaft 40 (see FIG. 1) is essentially complementary.
  • the pivot lever 60 is connected in a rotationally fixed manner to the pivot shaft 82, the rotationally fixed connection being produced in this exemplary embodiment by welding.
  • a one-armed lever 86 is also connected in a rotationally fixed manner to the pivot shaft 82, with which one end of a rod 90, the third of which is the third pivot axis 88, is connected eccentrically to the first pivot axis 62, in an articulated manner and pivotable about a third pivot axis 88 parallel to the second pivot axis 62 opposite end is designed as a hook 92 and engages behind the pin 80 formed on the spindle nut 76 in a form-fitting manner.
  • the hook 92 can be unhooked from the pin 80 in a manner explained in more detail below with reference to FIGS. 15A to 15F.
  • the electric motor drives the threaded spindle 72 in such a way that the spindle nut 76 moves to the right in FIG. 3.
  • the rod 90 is in driving connection with the spindle nut 76 via the hook 92, so that the rod 90 is carried to the right in FIG. 3.
  • the lever 86 and thus the swivel shaft 82 and the swivel lever 60 connected to the swivel shaft 82 in a rotationally fixed manner are swiveled in the direction of the arrow 94.
  • FIG 4 shows a longitudinal section through the second longitudinal spar assembly 6 and the part of the second longitudinal spar 12 forming the headrest part 32, the upper body support part 30 and the lumbar support part 28.
  • the second longitudinal spar assembly 6 is also designed as a hollow profile in this embodiment.
  • the second longitudinal beam assembly 2 is not designed as a housing 54 'for receiving parts of a drive device, but rather for receiving parts of an output device. If required in accordance with the respective requirements, for example with slatted frames of large width, the second longitudinal spar assembly 6 can also be in the first
  • Longitudinal beam assembly 4 correspondingly accommodate parts of another drive device.
  • a third pivot shaft 98 is mounted coaxially in the assembled state in the second longitudinal beam assembly 6 to the first pivot shaft 82 mounted in the first longitudinal beam assembly 4. Furthermore, a fourth pivot shaft 98 'is mounted coaxially in the second longitudinal beam assembly 6 in the assembled state with the second pivot shaft 82.
  • a pivot lever 60 'corresponding to the pivot lever 60 is connected to the third pivot shaft 98, while a pivot lever 64' corresponding to the pivot lever 64 'is connected to the fourth pivot shaft 98' and is not shown in FIG. 4.
  • the housing 54 ' has axially coaxial recesses on both sides of the third pivot shaft 98. Furthermore, the housing 54 'on both sides of the fourth pivot shaft 98 has recesses which are coaxial with it.
  • the connecting shaft 40 can be inserted loosely at one end into the recess 84 of the first pivot shaft 82 and at the other end into the recess 100 of the third pivot shaft 98 and forms transmission means for transmitting a rotation of the first pivot shaft 82 to the third pivot shaft 98
  • the connecting shaft 42 can be inserted loosely at one end into the recess 84 'of the second pivot shaft 82' and at the other end into the recess 100 'of the fourth pivot shaft 98' and forms transmission means for transmitting a rotation of the second pivot shaft 82 'on the fourth pivot shaft 98'.
  • the connecting shafts 40, 42 are non-rotatable in the circumferential direction in the assembled state, but loosely in the axial direction with the associated pivot shafts 82, 98 and 82 ', 98' connected.
  • a lever extension 102 is first connected to the lever 60 with respect to the pivot axis 62 so that it can pivot, which can be plugged onto the pivot lever 60, for example.
  • a covering 104 is connected to the lever extension 102 in the region of its end facing the second longitudinal spar assembly 6.
  • the cover 104 is formed by a profile element which, in this exemplary embodiment, is essentially U-shaped and is open at the bottom in the assembled state of the slatted frame 2, as is indicated in a highly schematic manner in FIG. 6 for a corresponding cover of the pivot lever 64 ,
  • the cover 104 is detachably connected to the lever extension 102 pivot lever 102. In particular, it can be snapped onto or clipped onto the lever extension 102.
  • the covering 104 has a section 106 which, in this exemplary embodiment, forms the first longitudinal spar section.
  • the section 106 can be formed in one piece with the casing 104 and connected to it via a hinge-like connection 108.
  • the section 106 can, however, also be formed by a separate covering.
  • Arranged in the interior of section 106 is an arcuate guide 110, in which, in the assembled state of the slatted frame 2, a pin 112 is displaceably guided, which is formed on the end of the lever extension 102 facing away from the second longitudinal spar assembly 6.
  • the top side of the covering 104 forms the top side of the second longitudinal spar 12 in this exemplary embodiment
  • a corresponding cover 104 ' is connected to the pivot lever 60, which is assigned to the first longitudinal beam assembly 4.
  • Recesses are provided, into which the holding elements 38 for the resilient slats, of which a slat with the reference numeral 114 is provided in FIG. 4, can be inserted from the top of the casing 104 and thus releasably connected to the casing 104.
  • a cover 116 is connected to the pivot lever 64 ′, the connection between the cover 116 and the pivot lever 64 ′ being able to take place in the same way as for the cover 104 and the pivot lever 60 'has been described.
  • the cladding 116 has a first section 118, which is supported on the pivot lever 64 'and is connected to a second section 122 via a hinge-like connecting element 120.
  • the second section 122 is connected to the free end of the handlebar 50 'at its ends. The handlebar 50 'ensures, in a manner explained in more detail below, that when the fifth longitudinal beam section is pivoted
  • the sixth longitudinal beam section 24' is also pivoted.
  • a corresponding cladding 116 is connected to the longitudinal beam sections 22, 24 of the first longitudinal beam 10.
  • FIG. 6 shows a highly schematic part of the cladding 116 in the area of the first section 118, it being evident that the cladding 116 is U-shaped, which is open at the bottom in this exemplary embodiment. ges hollow profile is formed and carries on its top the holding elements 38 for the slats, not shown in Fig. 6.
  • the second longitudinal spar 12 of the slatted frame 2 is formed in that the lever extension 102 is connected to the pivot lever 60 'of the second longitudinal spar assembly 6, the panel 104 is placed on the lever extension 102, the panel 116 is placed on the pivot lever 64' and the cover 116 is placed on the handlebar 50 '.
  • the first longitudinal spar 10 is created in a corresponding manner.
  • FIG. 7 shows the first longitudinal spar 10 in the assembled state on the bar 44 of the frame of the slatted frame 2.
  • first longitudinal spar assembly 4 it is screwed to the inside 124 of the bar 44 by means of screws (not shown in the drawing).
  • the axle 52 is loosely inserted into a bore formed on the inside 124 of the strip 44 and not recognizable in the drawing, which in the assembled state forms a bearing axle for the pivotable mounting of the end of the handlebar 50 facing away from the cover 116 '.
  • FIG. 7 shows an electric motor 126 assigned to the drive unit 58 and an electric motor 126 assigned to the drive unit 58 '. Only the electric motor 126 is explained in more detail below. The arrangement and design of the electric motor 126 'is corresponding.
  • the electric motor 126 is in this embodiment
  • a recess not visible in the drawing being formed in a wall 128 of the first longitudinal spar assembly 4 facing the second longitudinal spar assembly 6, through which the drive motor 126 with the parts of the drive unit arranged inside the first longitudinal spar assembly 4 58 is in drive connection.
  • the output shaft of the electric motor 126 is designed as a worm, which forms a first gear element and projects into the interior of the first longitudinal beam assembly 4.
  • the worm meshes with the worm wheel 70, which is mounted in the interior of the first longitudinal spar assembly and forms a second gear element.
  • the electric motors 126, 126 ' are arranged essentially completely outside the first longitudinal spar assembly 4 and thus outside the first longitudinal spar 10. 7 and 2 that the electric motors 126,
  • the electric motors 126, 126 ' are arranged on the side of the first longitudinal beam module 4 facing the second longitudinal beam module 6, which is not shown in FIG. 7, in such a way that they are arranged between the longitudinal beam modules 4, 6.
  • the connecting shaft 40 is inserted loosely into the recess 84 of the first pivot shaft 82 through a recess 130 provided for this purpose in the housing 54. Since the recess 84 is in the axial direction device extends through the pivot shaft 82 and on the side of the housing 54 facing away from the housing 130 in the axial direction of the connecting shaft 40 of the recess 130, the connecting shaft 40 abuts the inside 124 of the strip at the end of the insertion movement into the recess 84 44 at. In the assembled state of the slatted frame 2, the strip 44 thus forms stop means for limiting the axial insertion depth of the end of the connecting shaft 40 into the recess 84 of the pivot shaft 82.
  • one end of the connecting shaft 42 is inserted loosely in the axial direction through a recess 130 'in the housing 54 corresponding to the recess 130, into the recess 84' until it abuts the inside 124 of the strip 44, which thus forms stop means for limiting the axial insertion depth of the end of the connecting shaft 42 into the recess 84 '.
  • the housing 54 on its side of the pivot shafts 82, 82 'facing away from the recesses 130, 130' is designed to be closed in the axial direction of the same, that is to say on this side none of the recesses 130, 130 'correspond
  • the link 50 is pivotally connected to the axis 52.
  • the end of the link 50 facing the axis 52 can be designed to be elastically deformable in such a way that this end can be snapped onto the axis 52.
  • connection can also be made in such a way that the recess formed in the end of the handlebar is brought into alignment with the bore provided in the bar 44 for the insertion of the axle 52 and then the axle 52 through the recess in the handlebar 50 into the bore is plugged in.
  • FIG. 8 shows a further perspective view of the first longitudinal bar 10 in the partially assembled state, in which the connecting shafts 40, 42 are inserted into the associated recesses 84 and 84 ', respectively. Because the cross section of the recesses 84, 84 'is essentially complementary to the outer cross section of the connecting shafts 40 and 42, in this assembled state the connecting shafts 40, 42 are loose in the axial direction, but non-rotatable in the circumferential direction with the swivel shafts 82 , 82 'connected.
  • Fig. 9 shows the slatted frame 2 in the assembled state.
  • the connecting shaft 40 is inserted into the recess 100 of the third pivot shaft through a recess 132 in the second longitudinal spar assembly 6 98 loosely inserted in the axial direction of the connecting shaft 40 until the assigned one
  • the strip 46 forms a stop for limiting the axial insertion depth of the end of the connecting shaft 40 into the recess 100 in FIG third pivot shaft 98. Because the recess 100 is essentially complementary in cross section to the outer cross section of the connecting shaft 40, a rotationally fixed connection between the third pivot shaft 98 and the connecting shaft 40 is achieved in this way.
  • the connecting shaft 42 is inserted loosely in the axial direction into the recess 100 'of the fourth pivot shaft 98' through a recess 132 'formed in the second longitudinal spar assembly 6. Furthermore, the axle 52 is simultaneously inserted into an associated bore in the inside 134 of the strip 46 in order to pivotably mount the handlebar 50 '. It can be seen from FIG. 9 that the connecting shafts 40, 42 in this exemplary embodiment form connecting means for connecting the first longitudinal beam assembly 4 to the second longitudinal beam assembly 6 and thus for connecting the first longitudinal beam 10 to the second longitudinal beam 12.
  • the third pivot shaft 98 is coupled to the first pivot shaft 82 so that rotation of the first pivot shaft 82 onto the third Swivel shaft 98 is transmitted.
  • the fourth pivot shaft 98 ' is non-rotatably coupled to the second pivot shaft 82', so that a rotation of the second pivot shaft 82 'is transmitted to the fourth pivot shaft 98' and the connecting shaft 42 is thus a transmission means for transmitting a rotation the second pivot shaft 82 'to the fourth pivot shaft 98'.
  • the lateral distance of the longitudinal spar assemblies 4, 6 from one another is determined by the axial length of the connecting shafts 40, 42.
  • the connecting shafts 40, 42 thus form spacing means according to the invention for determining the lateral spacing of the longitudinal beam assemblies 4, 6 and thus of the longitudinal beams 10, 12 from one another.
  • Slatted frames of different widths can thus be implemented in modular form by using connecting shafts 40, 42 of different axial lengths.
  • the connecting shafts 40, 42 consist of a profile material which has essentially the same cross section along its entire length and which is cut to length in accordance with the respectively desired width of the slatted frame 2.
  • the slatted frame 2 according to the invention can be assembled here in a particularly simple and quick manner, since, for example, in the exemplary embodiment all components of the slatted frame 2 are detachably connected to one another.
  • the holding elements 38, together with the resilient slats 114, are inserted into the recesses provided for this purpose in the upper sides of the longitudinal bars 10, 12, as described above.
  • the outer frame of the slatted base 2 can have transverse strips 140, 142 at its free ends located in the longitudinal direction, which can be detachably connected to the strips 44, 46, for example.
  • FIG. 10 shows a representation corresponding to FIG. 9, the slats provided in the area of the central support part 26 also being shown.
  • Fig. 4 shows the upper body support part 30 and the head support part 32 in a first end position of the adjustment movement, in which these support parts together with the central support part 26 a substantially horizontal
  • the first Swivel shaft 82 (cf. FIG. 2) is pivoted clockwise by means of the drive unit 58 in the drawing, the rotation of the first swivel shaft 82 being transmitted via the connecting shaft 40 to the third swivel shaft 98, which is thus carried along by the first swivel shaft 82 as it rotates is pivoted clockwise in Fig. 4.
  • the levers 60 ', 60 connected to the pivot shafts pivot synchronously, so that the upper body support part 30 pivots clockwise in FIG. 4, as shown in FIG. 11.
  • the headrest part 32 executes a relative movement to the upper body part 30 because of the fact that the pins 112, 112 'formed on the lever extensions 102, 102 are guided in the arcuate guides 110, 110' of the headrest part 32.
  • the upper body support part 30 and the head support parts 32 are reset from the one end position of the adjustment movement shown in FIG. 12 back to the other end position of the adjustment movement shown in FIG. 4 with the drive unit 58 switched on, but under the influence of the weight of the upper body support part 30 and the headrest part 32 and possibly the burden of a person resting on it.
  • leg support part 34 and the calf support part 36 The adjustment of the leg support part 34 and the calf support part 36 relative to the central support part 26 will be described below with reference to FIGS. 5, 13 and 14.
  • FIG 5 shows a first end position of the adjustment movement, in which the leg support part 34 and the calf support Part 36 together with the central support part 26 span a substantially horizontal support plane.
  • leg support part 34 and the calf support part 36 are reset to the other end position of the adjustment movement shown in FIG. 5 when the drive unit 58 'is switched on, but under the influence of the weight of the leg support part 34 and the calf support part 36 and possibly the load on the crossbar. rust 2 resting person.
  • support devices in particular slatted frames of different widths, can be realized by means of the modular system according to the invention using the same longitudinal beam assemblies.
  • the longitudinal spar assemblies and the connecting means with which the longitudinal spar assemblies can be connected at a lateral distance from one another to form a base body of the support device form essential elements of the invention Modular system and the support device according to the invention.
  • support devices of different widths can be realized by using connecting shafts 40, 42 of different lengths.
  • the width of the slats or other suspension elements used is adapted to the length of the connecting shafts and thus the distance between the longitudinal spars 10, 12 of the support device.
  • the rod 90 is designed as a disengageable component in this exemplary embodiment.
  • a rod-shaped actuating element 144 which extends essentially perpendicular to the linear axis of movement of the spindle nut 76 and is led out of the latter through an opening in the upper side of the housing 54.
  • the actuating element 144 is supported on a lower inner wall of the housing 54 via a helical spring 146, which is arranged coaxially on an extension 148 of the actuating element 144.
  • a pin 150 which extends essentially perpendicular to the longitudinal axis thereof, which in the drawing runs perpendicular to the plane of the drawing and the rod 90 rests loosely on the upper side thereof.
  • the actuating element 144 is biased upward by the coil spring 146 in FIG. 15A.
  • the upper body support part is moved clockwise a little by hand (see FIG. 12), so that the pivot lever 60 pivots clockwise a little in FIG. 15A.
  • the hook 92 disengages from the pin 80 as shown in FIG. 15B.
  • the upper body support member 30 can be lowered by hand.
  • the drive device In order to bring the rod 90 back into connection with the pin 80 and thus with the spindle nut 76, the drive device is actuated in such a way that the spindle nut 76 moves to the left in FIG. 16A.
  • the hook 92 runs onto a guide surface 154 which extends at an acute angle to the linear axis of movement of the spindle nut 76 and leads to the pin 80, as shown in FIG. 16A.

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

Abstract

L'invention concerne un système modulaire pour le montage de dispositifs de soutien, pouvant être déplacés au moyen d'un moteur, destinés au rembourrage de meubles d'assise et/ou de couchage, notamment pour des matelas de lits. Chaque dispositif de soutien présente, à l'état monté, au moins deux éléments de soutien pouvant être déplacés l'un par rapport à l'autre, servant à soutenir le rembourrage. Ce système modulaire présente au moins un premier ensemble de tiges longitudinales (4) et au moins un deuxième ensemble de tiges longitudinales (6) qui peuvent être reliés l'un à l'autre, de manière libérable, avec un certain écart latéral l'un par rapport à l'autre, par l'intermédiaire de moyens de raccordement, afin de former un corps de base du dispositif de soutien, et peuvent être démontés de manière non destructive. Ce système modulaire permet de monter, de manière simple et économique, en particulier des sommiers à lattes.
EP04739361A 2003-06-05 2004-05-26 Systeme modulaire pour le montage de dispositifs de soutien, pouvant etre deplaces au moyen d'un moteur, destines au rembourrage de meubles d'assise et/ou couchage Withdrawn EP1603433A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10325796 2003-06-05
DE10325796 2003-06-05
DE102004016048 2004-04-01
DE102004016048A DE102004016048A1 (de) 2003-06-05 2004-04-01 Baukastensystem zur Montage motorisch verstellbarer Stützeinrichtungen zur Polsterung von Sitz- und/oder Liegemöbel
PCT/EP2004/005655 WO2004107924A1 (fr) 2003-06-05 2004-05-26 Systeme modulaire pour le montage de dispositifs de soutien, pouvant etre deplaces au moyen d'un moteur, destines au rembourrage de meubles d'assise et/ou couchage

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EP1603433A1 true EP1603433A1 (fr) 2005-12-14

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EP04739361A Withdrawn EP1603433A1 (fr) 2003-06-05 2004-05-26 Systeme modulaire pour le montage de dispositifs de soutien, pouvant etre deplaces au moyen d'un moteur, destines au rembourrage de meubles d'assise et/ou couchage

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Country Link
US (1) US7386901B2 (fr)
EP (1) EP1603433A1 (fr)
JP (1) JP2006526441A (fr)
WO (1) WO2004107924A1 (fr)

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US20060130236A1 (en) 2006-06-22
WO2004107924A1 (fr) 2004-12-16

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