EP1276406B1 - Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels - Google Patents

Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels Download PDF

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Publication number
EP1276406B1
EP1276406B1 EP01943239.2A EP01943239A EP1276406B1 EP 1276406 B1 EP1276406 B1 EP 1276406B1 EP 01943239 A EP01943239 A EP 01943239A EP 1276406 B1 EP1276406 B1 EP 1276406B1
Authority
EP
European Patent Office
Prior art keywords
support
component
drive
support device
furniture
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.)
Expired - Lifetime
Application number
EP01943239.2A
Other languages
German (de)
English (en)
French (fr)
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EP1276406A1 (de
Inventor
Eckhart Dewert
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.)
Linak AS
Original Assignee
Linak AS
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 Linak AS filed Critical Linak AS
Publication of EP1276406A1 publication Critical patent/EP1276406A1/de
Application granted granted Critical
Publication of EP1276406B1 publication Critical patent/EP1276406B1/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
    • 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 motor-adjustable support device referred to in the preamble of claim 1 for a padding of a seat and / or reclining furniture.
  • Such support means are generally known in the form of motor-adjustable slatted frames for beds or the like.
  • a motor-adjustable support means of the type in question in the form of a slatted base which has a base body with a frame, with which a plurality of relatively adjustable support members are connected.
  • the known support device has a drive unit detachably connected to the main body, which has a housing.
  • the housing has two mutually spaced recesses into which in the mounting position of the drive unit in each case engages a rotatably mounted on the main body of the support means shaft which is in operative connection with a support member to be adjusted and rotatable by means of the drive unit.
  • the drive unit is arranged below the frame of the slatted base.
  • a disadvantage of the known support means is that it has a relatively large height.
  • the invention has for its object to provide a motor-adjustable support means referred to in the preamble of claim 1, which does not have the disadvantage of the known support means, the overall height is reduced.
  • the invention is based on the idea to arrange the drive unit below the main body of the support means, as is the case in the known support means. Rather, it is based on the idea to arrange the drive unit so that it is arranged in the installed position in the vertical direction between the shaft and the support members. For this purpose, the invention provides that the drive unit is mounted on the shaft from the support side.
  • the drive unit is received between the shaft and the support members, so that it does not or only slightly protrudes beyond the main body of the support means.
  • the overall height of the support device according to the invention is substantially reduced and essentially determined by the height of the main body of the support means.
  • the support device according to the invention is visually appealing, since it gives the impression of a conventional non-motorized support means due to their low height substantially.
  • Another advantage of the support device according to the invention is that it occupies less space than the known support means due to their low height during transport and storage. This saves costs.
  • the support device according to the invention is simple and inexpensive to produce and easy to mount on the main body of the support means.
  • a development of the teaching according to the invention provides that the shaft is mounted on the main body of the support means. This results in a stable and robust construction.
  • a pivot lever is rotatably connected to the shaft, which is the same for pivoting with a drive motor of the drive unit in drive connection.
  • the adjustment of the support device according to the invention is particularly simple in construction and thus inexpensive to produce.
  • the adjusting particularly high forces can be applied, which is particularly advantageous if the support means under load, for example, under the weight of a person resting on her person to be adjusted.
  • the drive unit of the support device according to the invention can be designed in any suitable manner.
  • An advantageous embodiment sees in that the drive unit has a linearly movable drive element, with which the pivot lever for pivoting the same is in operative connection. In this way, results in a simple and inexpensive and robust construction of the drive unit.
  • linearly movable drive element In the embodiment with the linearly movable drive element, this can be designed in any suitable manner.
  • the linearly movable drive element is a rotationally and axially movably held on a rotatably driven adjusting spindle spindle nut.
  • spindle drives are available as simple and inexpensive as well as robust standard components.
  • the linearly movable drive element may also be a movable in its axial direction adjusting spindle, on which a stationary, rotatably driven spindle nut is arranged.
  • the support means has a single, in operative connection with a support member to be adjusted shaft.
  • a support member to be adjusted shaft Conveniently, however, two rotatably mounted shafts are provided, each shaft is associated with a recess in the housing of the drive unit.
  • two shafts, each of which is in operative connection with at least one support member to be adjusted there are a variety of adjustment options, such as a slatted frame, comprising an upper body support member, a head support member, a leg support member and a calf support member, which are adjustable relative to a central support member.
  • Another advantageous development of the teaching according to the invention provides locking means for locking the drive unit in the mounting position on the support device. In this way it is prevented that the drive unit releases from the shaft under load.
  • the main body of the support device according to the invention has a frame, as provided by a further development.
  • the support device is designed as a slatted frame.
  • the drive unit is arranged on a first part of the furniture, that the drive unit has a take-up device for a band, rope or chain-shaped traction means, the manner of a pulley over at least one of the housing or another, arranged at adjusting the support member relative to the first part fixed part guide pulley and at least one arranged on the support member to be adjusted or with this part for adjusting the same in operative connection intermediate part deflecting roller, wherein the traction means with the associated, to adjusting support member is operatively connected in such a way that upon winding of the traction means is carried out an adjustment of the support member.
  • the furniture drive according to the invention of the support device according to the invention works in the manner of a pulley. Due to this, too, can be used small and therefore cost-effective drive motors, such as electric motors, high forces are applied by the drive unit of the furniture drive.
  • the furniture drive according to the invention is designed as a whole simple and therefore cost. In addition, it is compact in construction.
  • the traction means is guided over the pulleys in the manner of a 2-strand pulley.
  • An extremely advantageous development of the teaching according to the invention provides that the traction means in the manner of at least 4-stranded pulley alternately arranged on the housing or another when adjusting the support member relative to the first part stationary part arranged pulleys and on the associated support member or a arranged with this part for adjusting the same in operative connection intermediate part arranged deflection rollers is guided.
  • a higher reduction is achieved than in a 2-strand pulley, so that can be applied in response to the number of strands of the pulley particularly high forces.
  • the drive motor of the drive unit can thus be made even smaller and cheaper and more compact.
  • the drive unit associated with, on the housing or another when adjusting the support member stationary part arranged deflection rollers have coaxial axes of rotation or are arranged on a common axis of rotation and / or that the support member associated with this or a Intermediate part disposed pulleys have coaxial axes of rotation or are arranged on a common axis of rotation.
  • the part of the furniture associated pulleys each form a compact, space-saving roller block.
  • the end of the traction means facing away from the take-up device can be fixed to the support part to be adjusted or to the intermediate part in operative connection with the support part for adjusting or to the housing or the first part.
  • any adjustment movements of parts of a piece of furniture can be carried out with the furniture drive according to the invention.
  • the drive unit or the drive units are designed as a pivot drive or pivot drives for pivoting the support member or the support members relative to the first part, as one embodiment provides.
  • This embodiment is particularly simple and therefore inexpensive in construction, as can be realized with little design effort, a pivot drive according to the pulley principle.
  • the intermediate part is a pivot lever which carries at least one deflection roller.
  • This embodiment is simple in construction and therefore inexpensive to produce.
  • the pivot lever can in this case in any suitable manner with the support member for adjusting the same in operative connection.
  • pivot lever is rotatably connected to a rotatably mounted shaft with which the support member for pivoting thereof is in operative connection.
  • This embodiment is simple in construction and particularly robust, so that can be applied particularly high forces with the furniture drive according to this embodiment.
  • a development of the aforementioned embodiment provides that the pivot lever is positively connected to form a rotationally fixed connection with the shaft.
  • This embodiment is particularly robust and suitable for transmitting particularly high forces.
  • Another embodiment of the embodiment with the pivot lever and the shaft provides that the shaft has a non-circular cross-section and positively engages in a recess of the pivot lever, which is formed to the cross section of the shaft substantially complementary.
  • This embodiment is particularly simple in construction.
  • the recess of the pivot lever in the radial direction of the shaft is open, wherein locking means are provided for locking the shaft in the recess. This facilitates the insertion of the shaft in the recess.
  • the winding device can be designed in any suitable manner.
  • An expedient development provides that the take-up device has a rotatably mounted winding element on which the take-up device facing the end of the traction means is fixed and which is in rotary drive connection with a motor, preferably an electric motor.
  • the motor which forms the rotary drive for the winding element, can be made small and therefore inexpensive due to the inventive application of the principle of a pulley.
  • a provided with a support device according to the invention seat and / or reclining furniture is specified in claim 29.
  • a support device 2 which is formed in this embodiment as a slatted frame and having a base body 4.
  • the base body 4 has a frame 6 with mutually parallel longitudinal beams, of which in the drawing, only a longitudinal spar 8 can be seen, the longitudinal beams 8 are connected to each other via not recognizable in the drawing crossbars.
  • the base body 4 also has a plurality of relatively adjustable support members, of which a central support member 10 is connected to the frame 6 and is not adjustable relative thereto.
  • a central support member 10 With one side of the central support member 10 is pivotally and pivotally connected about a horizontal pivot axis, an upper body support member 12, with the central support member 10 side facing away pivotally about a horizontal pivot axis and a head support member 14 is connected.
  • a leg support member 16 With the side facing away from the upper body support member 12 of the central support member 10 is pivotally connected and pivotable about a horizontal pivot axis, a leg support member 16, with the central support member 10 side facing pivotally and pivotally about a horizontal pivot axis, a calf support member 18 is connected.
  • the support device 2 is used for Supporting a padding, not shown in the drawing, of a sitting and / or lying furniture, for example a mattress of a bed.
  • the support device 2 has for adjusting the support members 12, 14, 16, 18 relative to the central support member 10 and the frame 6 a detachably connected to the base body 4 drive unit 32 which is pivotable about pivot axes 20, 22 rotatable on the frame 6 mounted shafts 24, 26 is used.
  • the shaft 24 serves to pivot the calf support member 18 and the leg support member 16 relative to the central support member 10 and is connected to the calf support member 18 via a lever assembly 28, while the shaft 26 for adjusting the upper body support member 12 and the head support member 14 relative to the central support member 10th serves and is connected to the headrest part 14 via a lever 30.
  • Fig. 2 shows a trained in this embodiment as a double drive, mounted on the base body 4 drive unit 32, the two drives 34, 34 ', which are accommodated in a common housing 36.
  • the drive 34 has an electric motor 38, which is in drive connection via a gear 40 with a rotatably driven adjusting spindle 42, on which a spindle nut 44, which forms a linearly movable drive element of the drive 34, is disposed against rotation and being movable in the axial direction.
  • the spindle nut 44 is designed as an actuating element for a pivot lever 46 formed in this embodiment as an angle lever, which is non-rotatably connected to the shaft 24.
  • adjustment drives the electric motor, the adjusting spindle 42 such that the spindle nut 44 in Fig. 2 moved to the right.
  • the pivot lever 46 pivots in Fig. 2 in a clockwise direction, so that the shaft 24 in Fig. 2 rotates clockwise and in this case a non-rotatably connected to the shaft 24 lever 48 of the lever assembly 28 in Fig. 2 pivots clockwise.
  • the leg support member 16 and the calf support member 18 are adjusted relative to the central support member 10 until the in Fig. 1 shown end position of the adjustment is reached.
  • the drive 34 ' is constructed in a manner corresponding to the drive 34 and is therefore not explained in detail here; its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.
  • the drive unit 32 is placed on the shafts 24, 26 from the support side, that is to say from the side of the base body on which the support parts 10-18 are arranged.
  • the housing 36 recesses 50, 52 in which in the in Fig. 2 illustrated assembly position of the drive unit 32, the shafts 24, 26 engage, so that the connected to the shafts 24, 26 pivot lever 46, 46 'with the spindle nuts 44, 44' of the drive unit 32 engage, as is apparent from Fig. 2 is apparent.
  • the support device 2 has a substantially reduced overall height compared with the known support devices, which is essentially determined by the overall height of the frame 6.
  • the assembly of the drive unit 32 on the base body 4 can be done, for example, before the central support member 10 is mounted on the frame 6 and before the slats of the slatted base, of which in Fig. 2 only one pair of slats is provided with the reference numeral 54, are connected to the central support member 10.
  • the drive unit 32 is first pushed in the direction of an arrow 54 obliquely from below between the middle support member 10 and the shaft 24, then in Fig.
  • Fig. 3 an embodiment of a furniture drive according to the invention is shown, which is designed as a double drive and two drives 34, 34 'has.
  • the drive 34 will be explained in more detail; the drive 34 'is constructed accordingly, and its components are provided with reference numerals which correspond to the reference numerals of the components of the drive 34.
  • the drive 34 has a winding device 54 for a flexible pulling means in the form of a thin cable 56, which has a compact electric motor 58, the output shaft rotatably drives a worm 60, which is in engagement with a worm wheel 62.
  • a rotatably mounted winding element 64 is rotatably connected to the worm wheel 62, which serves to Aufwikkeln the cable 56, the winding device 54 facing end is fixed to the winding element 64.
  • the drive 34 further includes a pivot lever 66 which is about a in Fig. 3 in the plane extending into the axis of rotation 68 is rotatably mounted and is formed in this embodiment as a two-armed lever whose arms 70, 72 carry pulleys for the cable 56, of which in Fig. 3 only a pulley is provided with the reference numeral 74.
  • the rope 56 is guided in the manner of a multi-strand pulley alternately on the pulleys 74 of the pivot lever 66 and mounted on the inner wall of the housing 36 pulleys, of which Fig. 3 only a pulley is provided with the reference numeral 76.
  • the take-up device 54 facing away from the end 78 of the cable 56 is fixed to the inner wall of the housing 36.
  • the pivot lever 66 is rotatably in the mounting position of the furniture drive with a in Fig. 3 not shown shaft connected, which is in operative connection with the support member to be adjusted.
  • a in Fig. 3 is the rotationally fixed connection between the pivot lever 66 and the in Fig. 3 not shown shaft a positive connection.
  • the pivot lever 66 has a recess 80 with a non-circular cross-section, wherein the cross-section of the shaft to the cross section of the recess 80 is formed substantially complementary and the shaft engages positively in the mounting position in the recess 80.
  • Fig. 4 shows the furniture drive according to Fig. 3 in the mounting position, in which the drive unit 32 is mounted on the shafts 24, 26 from the support side. How out Fig. 4 can be seen, the cross section of the shafts 24, 26 to the cross section of the recesses 80, 80 'of the pivot lever 66, 66' of the drive unit 32 is formed substantially complementary, so that in the mounted position of the drive unit 32, the shaft 24 rotatably with the pivot lever 66 and the Shaft 26 rotatably connected to the pivot lever 66 'is connected.
  • the electric motor 58 drives the take-up device 54 such that the winding element 64 in Fig. 4 rotates counterclockwise, so that the cable 56 is wound up. Due to this, the shaft 24 pivots in Fig. 4 in the clockwise direction, so that the leg support member by means of the lever assembly 28, the lever 48 is rotatably connected to the shaft 24, in the in Fig. 4 shown adjusting position is pivoted.
  • the upper body support member 12 and the neck support member 14 by means of the drive 34 'adjustable.
  • the furniture drive according to the invention can be used both in supporting devices according to the invention, in which it is placed on the shafts 24, 26 from the support side, as well as in such support means in which it is placed on the shafts 24, 26 from the side remote from the support side or in the axial direction of the shafts 24, 26 is pushed onto this.
  • the furniture drive according to the invention is thus usable regardless of the manner of mounting with any support means. It can be designed as a double drive with two recorded in a common housing drives, as in the embodiment according to Fig. 3 the case is. However, it can also be designed as a single drive with a single drive or have any number of drives.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Transmission Devices (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
EP01943239.2A 2000-04-11 2001-04-10 Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels Expired - Lifetime EP1276406B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20006690U 2000-04-11
DE20006690U DE20006690U1 (de) 2000-04-11 2000-04-11 Als Doppelantrieb ausgebildeter Möbelantrieb
PCT/EP2001/004094 WO2001076422A1 (de) 2000-04-11 2001-04-10 Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels

Publications (2)

Publication Number Publication Date
EP1276406A1 EP1276406A1 (de) 2003-01-22
EP1276406B1 true EP1276406B1 (de) 2013-06-05

Family

ID=7940127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01943239.2A Expired - Lifetime EP1276406B1 (de) 2000-04-11 2001-04-10 Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels

Country Status (7)

Country Link
US (1) US6763536B2 (ja)
EP (1) EP1276406B1 (ja)
JP (1) JP2003529429A (ja)
AU (1) AU2001265870A1 (ja)
DE (1) DE20006690U1 (ja)
DK (1) DK1276406T3 (ja)
WO (1) WO2001076422A1 (ja)

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DE20006690U1 (de) * 2000-04-11 2001-08-16 Cimosys Ag, Goldingen Als Doppelantrieb ausgebildeter Möbelantrieb
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KR101805905B1 (ko) 2016-06-15 2017-12-07 주식회사 퍼스트케어 자세 변환 조절 장치 및 이를 구비한 침대 프레임
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JP2003529429A (ja) 2003-10-07
US6763536B2 (en) 2004-07-20
EP1276406A1 (de) 2003-01-22
AU2001265870A1 (en) 2001-10-23
DK1276406T3 (da) 2013-09-16
DE20006690U1 (de) 2001-08-16
US20030079290A1 (en) 2003-05-01
WO2001076422A1 (de) 2001-10-18

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