EP1318737B1 - Als doppelantrieb ausgebildeter möbelantrieb - Google Patents

Als doppelantrieb ausgebildeter möbelantrieb Download PDF

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Publication number
EP1318737B1
EP1318737B1 EP01960617A EP01960617A EP1318737B1 EP 1318737 B1 EP1318737 B1 EP 1318737B1 EP 01960617 A EP01960617 A EP 01960617A EP 01960617 A EP01960617 A EP 01960617A EP 1318737 B1 EP1318737 B1 EP 1318737B1
Authority
EP
European Patent Office
Prior art keywords
drive
supporting device
contact surface
lever
pivoted lever
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
EP01960617A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1318737A1 (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
Cimosys Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7657073&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1318737(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Linak AS, Cimosys Ltd filed Critical Linak AS
Publication of EP1318737A1 publication Critical patent/EP1318737A1/de
Application granted granted Critical
Publication of EP1318737B1 publication Critical patent/EP1318737B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

Definitions

  • the invention relates to a double drive trained furniture drive in the preamble of the claim 1 type for adjusting parts of a Furniture relative to each other.
  • Such furniture drives are well known and serve as adjustment drives for adjusting of parts of a slatted frame relative to each other.
  • EP 0 372 032 B1 is designed as a double drive Furniture drive for adjusting parts of a Furniture relatively known to each other, the two drive units having.
  • Each drive unit acts in the known furniture drive with a pivot lever together, in the mounting position of the furniture drive with one to adjusting part of the furniture in operative connection stands.
  • each drive unit a linearly movable drive element on, the same with the pivot lever for pivoting is in operative connection.
  • Swivel lever designed as an angle lever on which the linearly movable drive element that passes through one an adjusting spindle arranged spindle nut formed is, for pivoting the pivot lever a compressive force exerts and so with the pivot lever in operative connection stands.
  • each drive unit also interacts with a pivot lever.
  • this Publication known furniture drive is the linear movable drive element through a spindle nut formed with a parallel to the spindle axis Holding leg of a right angle formed Schub peerss is connected, the other, vertical to the spindle axis standing pressure leg the free end of the pivot lever applied loosely and so is in operative connection with the pivot lever.
  • EP 0 583 660 B1 is a double drive style designed furniture drive to Adjusting parts of a piece of furniture relative to each other known, which has two drive units. Every drive unit This furniture drive has a linear movable drive element in the form of a spindle nut on, for pivoting a in mounting position of the Furniture drive with a part of the furniture to be adjusted in operative connection pivot lever serves. At its the pivot lever facing the end has the spindle nut a perpendicular to the spindle axis Slit on, in which the pivot lever with a arranged at its end, in essence extending parallel to the pivot axis of the pivot lever Pin engages and is guided in this closely.
  • DE 296 12 493 U1 is a support device the type in question for supporting a padding a sitting and / or lying furniture known, the one Furniture drive for adjusting parts of the support device relative to each other, the furniture drive a linearly movable drive element for pivoting one with a support member to be adjusted the support device in operative connection Has pivot lever.
  • the drive element is a rotation and in the axial direction movable on a rotatably driven adjusting spindle held spindle nut, wherein the linearly movable Drive element or a connected to this Actuating element has a recess in the protrudes the pivot lever in its radial direction.
  • An inner wall of the recess forms a contact surface for the pivot lever, wherein the contact surface the Rocker arm applied loosely.
  • a disadvantage of this known support device is that the used furniture drive relative consuming and therefore expensive to manufacture.
  • the invention is based on the object Supporting device in the preamble of claim 1 specify the type mentioned, the simple in construction and thus inexpensive to produce and is robust.
  • the linear movable drive element or a connected thereto Actuator on a recess in the the pivoting lever, which is usually not part of the furniture drive, but a piece of furniture, for example one Slatted frame is, protruding into the mounting position, wherein an inner wall of the recess a contact surface for forms the pivot lever.
  • a particular advantage of the furniture drive according to the invention is that the pivot lever is shorter can be designed as in the known furniture drives. In this way, the furniture drive according to the invention designed with a relatively low height become. This has the significant advantage that in combination, for example, a slatted frame with a furniture drive according to the invention so formed Unit has a height that is not or only slightly larger than the height of the slatted frame alone.
  • Another advantage of the furniture drive according to the invention is that he is robust in construction and to Application of large forces is suitable.
  • the furniture drive according to the invention is as a double drive educated. Under basic retention However, it is the effect principle according to the invention also possible to design the furniture drive as a single drive.
  • the teaching of the invention provides that in the contact surface at least one slot for receiving the lever arm the pivot lever in at least one end position the adjusting movement is provided and that the Swivel lever removed from the slot with a plant part abuts against the contact surface.
  • the pivot lever with its free end protrude deeply into the recess, so that the furniture drive has a particularly low height.
  • the pivot lever with the plant part on the contact surface is applied, is an undesirable abutment of the lever arm the pivot lever away from the plant part avoided at the contact surface, since this part of the Swing lever is accommodated in the slot.
  • this embodiment has a large tilt angle the pivot lever in a very compact at the same time Construction.
  • a development of the aforementioned embodiment provides that the plant part is essentially extends parallel to the pivot axis of the pivot lever. In this embodiment, the plant part extends with it across the slots, being a safe System is guaranteed at the contact surface.
  • pivot lever forked with two mutually parallel and spaced lever arms is formed and the plant part between the lever arms the pivot lever is held.
  • This embodiment also allows a large swing angle the swing lever at the same time compact Construction. Due to the spaced lever arms is one with respect to the longitudinal center plane of the pivot lever symmetrical force transmission from the drive element or the actuating element in the pivot lever facilitated. Asymmetrical loads of the pivoting lever, to its deformation and possibly damage could lead, are thus avoided.
  • a development of the aforementioned embodiment provides that the contact surface on a projection is formed, with the clear width between the lever arms the pivot lever substantially the extent the projection in this direction corresponds or bigger than this one is.
  • this embodiment lies the pivot lever during the adjustment movement with his leverteil on the contact surface, while the Move lever arms laterally along the projection.
  • Another embodiment of the embodiment with the fork-shaped pivot lever provides that in the Contact surface or in the area of the contact surface two parallel Spaced to the pivot axis of the pivot lever, essentially perpendicular to the pivot axis of Swivel lever extending slots are formed for Recording the spaced lever arms of the pivot lever in an end position of the adjustment.
  • this embodiment is opposite to the aforementioned embodiment the stability of the part in which the recess is formed, improved.
  • each lever arm of the pivot lever associated with a slot is for receiving the lever arm in at least an end position of the adjustment. That way is an abutment of the lever arm of the pivot lever on the Contact surface opposite inner wall of the recess prevents, so that the achievable tilt angle the pivot lever is further increased.
  • the embodiments corresponds with the slit or the slits the light Width of each slot substantially the extent the associated lever arm parallel to the pivot axis the swing lever or is slightly larger than this.
  • This embodiment is the stability of the drive element or the actuating element by the Slits affected only as far as this is due the width of the lever arm, which may be narrow may, is required.
  • Shape and size of the plant part are in wide Borders selectable.
  • the system part can, for example be plate-shaped or rod-shaped.
  • a advantageous development provides that the system part by a preferably at the free end ds Swivel lever arranged rotatably mounted roller formed is.
  • the friction is of the plant part is reduced to the contact surface, so that Power losses due to friction and wear the contact surface are avoided.
  • the shape of the drive element or the actuating element is selectable within wide limits.
  • the drive element or actuator formed like a box and only to the pivot lever open, otherwise closed. To this Way, high stability is achieved.
  • the contact surface essentially perpendicular to the linear axis of movement of the drive element run.
  • the contact surface relative to the linear axis of motion inclined the drive element. In this way the achievable pivot angle of the pivot lever is increased.
  • the contact surface be a substantially flat surface, the preferably relative to the linear axis of motion of the Drive element inclined at an acute angle is.
  • the contact surface can also at least partially arcuate in cross section be, preferably an imaginary connecting line between endpoints of the arcuate cross section of Bearing surface relative to the linear axis of movement of Drive element inclined at an acute angle is.
  • the part in which the recess is formed can made of any suitable material.
  • the part is made of plastic, such as this provides a further education.
  • Furniture drive further simplified and thus more cost-effective designed as the drive element or the actuating element a simple and inexpensive Molded plastic can be.
  • the linearly movable drive element can in any be suitably trained.
  • a functional one Continuing provides that the linearly movable Drive element a torsion and axial direction movable on a rotatably driven adjusting spindle held spindle nut is.
  • Such spindle drives stand as simple and inexpensive standard components available, so that the production of the inventive Furniture drive further simplified and thus more cost-effective is designed. Since the spindle nut in the rule is a plastic molding, the Recess in the manufacture of the spindle nut in these are molded.
  • the pivot lever in the mounting position the furniture drive rotatably with a rotatably mounted Wave is connected with one to be adjusted Part of the furniture is in operative connection.
  • the pivot lever is usually not part the furniture drive, but a Verstellbeschlages, for example, on a slatted frame.
  • the swivel lever can also be part of the furniture drive.
  • Each drive unit has an electric motor and / or that the drive units of the double drive are accommodated in a common housing.
  • Fig. 1 is an embodiment of an inventive Furniture drive 2 shown in this Embodiment designed as a double drive is and two drive units 4, 4 ', which in a common housing 6 are received and by Not shown fastening means held on this are.
  • the drive unit 4 is corresponding constructed, and their components are denoted by reference numerals provided with the reference numerals of the components of Drive unit 4 correspond.
  • the drive unit 4 has a linearly movable Drive element, which in this embodiment by an axial direction in the direction of a Double arrow 8 reciprocating adjusting spindle 10 is formed, which in this embodiment as Threaded spindle is formed.
  • adjusting spindle 10 which is mounted against rotation, as further is explained in more detail below, is a fixed, with an internally threaded spindle nut 12 is arranged, by a in the drawing only schematically indicated electric motor 14 via a not shown Gear is battingreibbar.
  • the adjusting spindle 14 is in the mounting position of Furniture drive 2 with a about a pivot axis 16th pivotally mounted pivot lever 18 for pivoting the same in operative connection.
  • the pivot lever 18 is not part of the furniture drive in this embodiment 2, but part of a Verstellbeschlages a supporting device, not shown in Fig .. 1 for supporting a padding of a seat and / or Reclining furniture, for example a slatted frame.
  • an actuator 20 For pivoting the pivot lever 18, the Drive unit 4, an actuator 20, the with the pivot lever 18 facing the end of the adjusting spindle 10 is connected, the connection between the adjusting spindle 10 and the actuating element 20 on Train and pressure is claimable.
  • the actuator 20 is in this embodiment made of plastic and is like a box and formed open to the pivot lever 18 side open. It has a recess 22, in which the Pivot lever 18 protrudes in its radial direction, as can be seen from Fig. 1.
  • the operation of the furniture drive according to the invention is the actuator 20 in the side view according to Fig. 1 shown cut.
  • Fig. 2 shows a view from below in Fig. 1 the actuator 20 of FIG. 1, wherein seen is that the actuating element 20 at its the Adjusting spindle 10 facing narrow side 24 and on its opposite narrow side 26 and its Long sides 28, 30 is formed closed.
  • Fig. 3 which is a section along a line A-A in Fig. 2 shows, it can be seen that the actuating element 20 also formed closed at its top 32 is. In this way, the actuator is especially 20 stable.
  • the recess 22 is a Bearing surface 34 for the free end of in Fig. 3 not illustrated pivot lever 18 is formed, which in cross section arcuate and concave towards the pivot lever 18 runs.
  • An imaginary connecting line between End points 36, 38 of the arcuate cross-section of Contact surface 22 forms with a linear movement axis the adjusting spindle 10, which in Fig. 3 by a dash-dotted line 40 is indicated, an acute Angle.
  • One of the contact surface 34 opposite inner wall 42 of the recess 22 is also arcuate formed and extends to the contact surface 34 substantially parallel.
  • the pivot lever 18 at This embodiment is fork-shaped and two parallel to each other, in the direction parallel to Swivel axis 16 mutually spaced narrow lever arms of which in the drawing only one lever arm 52 is recognizable. Between the lever arm 52 and the further lever arm is on which the pivot axis sixteenth opposite end of the pivot lever a system part to Plant held on the contact surface 34, which in this Embodiment is formed by a roller, the about an axis parallel to the pivot axis 16 rotatable is mounted on the pivot lever 18.
  • the illustrated in Fig. 4 adjustment of the drive unit 4 corresponds to the embodiment a first end position in which the means of the furniture drive adjustable parts of the not shown in Fig. 2 Furniture not adjusted relative to each other are.
  • this end position is the role of 54 of the contact surface 34 is disengaged, as shown in FIG. 4th is apparent.
  • the lever arm 52 of the Swing lever 18 in the slot 50, while the other, not visible in the drawing lever arm in the slot 48 engages.
  • Fig. 5 illustrates the other end position of the adjustment movement that is a maximum adjustment of the to be adjusted Part of the furniture, not shown corresponds.
  • the lever arm 52 engages in the slot 44 and the other Lever arm of the pivot lever 18 in the slot 46 a.
  • Fig. 6 is provided with the furniture drive 2 Supporting device for supporting an upholstery of a Sitting and / or reclining furniture presented at this embodiment by a slatted frame 56th is formed.
  • the slatted frame 56 has a frame 58 as well as several articulated support parts on.
  • the slatted frame has a middle Support member 60, with one side hinged and pivotable about a horizontal pivot axis
  • Upper body support member 62 is connected to the the middle support member 60 side facing away from and pivotable about a horizontal pivot axis Headrest 64 is connected.
  • a pivotable adjusting lever 70 is provided, rotatably connected to a pivot shaft 72, with the pivot lever 18 rotatably connected is.
  • the adjusting lever 70 is thus together with the Pivoting lever 18 about its pivot axis 16 pivotally.
  • the leg support part 68 lies with its underside loose on the lever 70.
  • adjusting lever 74 For adjusting the upper body support member 62 and the headrest member 64 relative to the central support member is another adjusting lever 74 is provided, the rotatably connected to another pivot shaft 76 is, with that of the drive unit 4 'associated Swivel lever 18 'is rotatably connected.
  • the further Adjusting lever 74 is thus together with the pivot lever 18 'about the pivot axis 16' pivotable.
  • Fig. 6 shows the slatted frame 56 in a position in the support members 62, 64, 66, 68 relative to the middle Support member 60 are not adjusted.
  • the spindle nut 12 To adjust the leg support member 66 and the calf support member 68 relative to the central support member 60 drives the electric motor 14, the spindle nut 12 such that the Adjusting spindle 10 with the actuating element in FIG. 6 moved to the right, so that the pivot lever 18 of the Actuator 20 is taken and this order pivoted its pivot axis 16 in Fig. 6 in the clockwise direction.
  • Adjustment drives the electric motor 14, the spindle nut 12 such that the adjusting spindle 10 together moved with the actuator 20 in Fig. 6 to the left.
  • the leg support part 66 and the Calf support member 68 under their weight back.
  • the Return of the upper body support member 62 and the headrest part 64 takes place in a similar manner.
  • the furniture drive 2 according to the invention is simple and cost-effective in construction as well as robust. Due to the inventive design of the actuating element 20 and 20 ', the pivot lever 18, 18' relative be formed short, so that a compact design results in low height.
  • FIGS. 6 and 7 stands the furniture drive 2 according to the invention due to this low height not above the frame 28 of the slatted frame 56.
  • the housing 6 For mounting the furniture drive 2 on the slatted frame 56, the housing 6 from above on the pivot shafts 72, 76 of the fitting of the slatted frame 56 mounted and with cap-shaped locking elements 86 and 88 (see. Fig. 1) secured, wherein the blocking element 86 in FIG from the left and the blocking element 88 in Fig. 1 from the right is pushed onto the housing 6.
  • the housing 6 may be made of plastic and the Recording the occurring during operation of the furniture drive 2 high forces metal reinforcements have.
  • an actuating element 20 of a second embodiment of an inventive Furniture drive 2 shown, extending from the actuator 20 differs according to FIG. that in the area of the contact surface 34 only has a single slot 90; which is different from the contact surface 34 in the direction of the end 26 of the Actuator 20 extends and to the pivot axis 16 of the pivot lever, not shown in Fig. 8 is substantially perpendicular.
  • the swivel lever is contrary to in this embodiment the embodiment shown in Figures 1 to 7 not fork-shaped, but has only one lever arm.
  • plant part is at the free end of the Swivel lever arranged and extends transversely to the Slot 90, such that the system part on both sides of the Slot 90 rests against the contact surface 34.
  • Fig. 9 shows a longitudinal section through the actuating element 20 as shown in FIG. 8 in the region of the slot 90. From Fig. 9 it can be seen that the contact surface 34 facing away wall 42 of the recess 22 in this Embodiment perpendicular to the linear axis of movement 40 runs. In Fig. 8 and Fig. 9 is the Adjusting spindle not shown, the train and pressure claimable with the contact surface 34 facing away End 24 of the actuating element 20 is connected.

Landscapes

  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Health & Medical Sciences (AREA)
  • Hinges (AREA)
  • Transmission Devices (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
  • Legs For Furniture In General (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Lock And Its Accessories (AREA)
  • Furniture Connections (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Vending Machines For Individual Products (AREA)
EP01960617A 2000-09-21 2001-08-03 Als doppelantrieb ausgebildeter möbelantrieb Expired - Lifetime EP1318737B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10046750A DE10046750C1 (de) 2000-09-21 2000-09-21 Als Doppelantrieb ausgebildeter Möbelantrieb
DE10046750 2000-09-21
PCT/EP2001/009000 WO2002024035A1 (de) 2000-09-21 2001-08-03 Als doppelantrieb ausgebildeter möbelantrieb

Publications (2)

Publication Number Publication Date
EP1318737A1 EP1318737A1 (de) 2003-06-18
EP1318737B1 true EP1318737B1 (de) 2005-12-28

Family

ID=7657073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01960617A Expired - Lifetime EP1318737B1 (de) 2000-09-21 2001-08-03 Als doppelantrieb ausgebildeter möbelantrieb

Country Status (10)

Country Link
US (1) US7331557B2 (zh)
EP (1) EP1318737B1 (zh)
JP (1) JP4920166B2 (zh)
CN (1) CN100496339C (zh)
AT (1) ATE313988T1 (zh)
AU (1) AU2001282063A1 (zh)
DE (3) DE10046750C1 (zh)
DK (1) DK1318737T3 (zh)
ES (1) ES2256282T3 (zh)
WO (1) WO2002024035A1 (zh)

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Also Published As

Publication number Publication date
JP4920166B2 (ja) 2012-04-18
ATE313988T1 (de) 2006-01-15
DE10046750C1 (de) 2002-04-18
US20040020316A1 (en) 2004-02-05
US7331557B2 (en) 2008-02-19
CN100496339C (zh) 2009-06-10
DE50108571D1 (de) 2006-02-02
CN1461195A (zh) 2003-12-10
EP1318737A1 (de) 2003-06-18
ES2256282T3 (es) 2006-07-16
DE20115507U1 (de) 2001-12-13
DK1318737T3 (da) 2006-05-15
JP2004508866A (ja) 2004-03-25
WO2002024035A1 (de) 2002-03-28
AU2001282063A1 (en) 2002-04-02

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