WO2003055356A1 - Commande de meuble faisant appel a un moteur electrique et permettant de regler des parties d'un meuble les unes par rapport aux autres - Google Patents

Commande de meuble faisant appel a un moteur electrique et permettant de regler des parties d'un meuble les unes par rapport aux autres Download PDF

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Publication number
WO2003055356A1
WO2003055356A1 PCT/EP2002/014645 EP0214645W WO03055356A1 WO 2003055356 A1 WO2003055356 A1 WO 2003055356A1 EP 0214645 W EP0214645 W EP 0214645W WO 03055356 A1 WO03055356 A1 WO 03055356A1
Authority
WO
WIPO (PCT)
Prior art keywords
furniture
furniture drive
traction means
drive according
traction
Prior art date
Application number
PCT/EP2002/014645
Other languages
German (de)
English (en)
Inventor
Dewert Eckhart
Original Assignee
Linak A/S
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 A/S filed Critical Linak A/S
Priority to AU2002361188A priority Critical patent/AU2002361188A1/en
Publication of WO2003055356A1 publication Critical patent/WO2003055356A1/fr

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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
    • 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

Definitions

  • Electromotive furniture drive for. Adjusting parts of a piece of furniture relative to each other
  • the invention relates to an electromotive furniture drive of the type mentioned in the preamble of claim 1 for adjusting parts of a piece of furniture relative to one another.
  • Electromotive furniture drives are generally known and are used, for example, to adjust parts of a slatted frame.
  • a furniture drive of the type in question is known from DE 9316465 Ul and DE 29905299 Ul, which has at least one adjustment unit which can be driven by a drive motor and which is operatively connected to a part of the furniture to be adjusted in the assembly position of the furniture drive, and control means for actuation of the drive motor.
  • a hand switch is provided in the known furniture drives, which is connected wirelessly or via a control line to the control means.
  • the hand switch has operating elements, for example in the form of push buttons or rocker-type buttons, by the actuation of which the control means can be actuated.
  • a disadvantage of the known furniture drives is that they are relatively complex and therefore expensive to manufacture.
  • the invention has for its object a Specify furniture drive of the type mentioned in the preamble of claim 1, which does not have the disadvantage of the known furniture drives, which is therefore easier and therefore less expensive to manufacture. This object is achieved by the teaching specified in claim 1.
  • the invention frees itself from the idea of providing an electric hand switch for actuating the control means. Rather, it is based on the idea of mechanically actuating the control means as far as possible. Accordingly, the teaching according to the invention provides at least one actuating means for the control means which has mechanical traction means. The control means are actuated and thus the drive motor is actuated by pulling on the manually operable traction means. In this way, it is possible to dispense with an electric hand switch, which is complex and therefore expensive to manufacture, so that the furniture drive according to the invention is considerably simpler and therefore less expensive to manufacture.
  • furniture equipped with a furniture drive according to the invention is designed to be more appealing, since the overall optical impression of the furniture is no longer disturbed by a manual switch becomes.
  • the mechanical traction means in its material and / or its color can be adapted to the respective furniture. If the furniture drive according to the invention is mounted on an armchair, for example, the mechanical traction means can be formed by a band of textile material which is adapted to the textile material of the cover of the armchair.
  • Another advantage of the furniture drive according to the invention is that it is easier to operate, since pulling on the pulling means is easier to accomplish than pressing often small buttons on an electrical hand switch. This is especially true for people with limited motor skills, such as the elderly or disabled.
  • the traction means can be an essentially rigid traction means, for example a lever or a linkage.
  • a particularly advantageous development of the teaching according to the invention provides that the traction means is designed to be flexible. Such a flexible traction device can be guided in a particularly simple manner from the adjustment unit to the user, without restrictions that have to be taken into account when laying the traction device, which exist with a rigid traction device.
  • the traction means is expediently in the form of a rope, band or chain. Such traction devices are simple and inexpensive to manufacture and robust.
  • the traction means has a casing, such that the traction means is designed in the manner of a Bowden cable. In this way, the traction mechanism functions properly even in tight spaces
  • the traction is provided with a grip element in the middle of its free end.
  • the grip element can be designed in any suitable manner according to the respective requirements, for example as a handle, as a thickening on the traction means or essentially spherical.
  • the furniture drive according to the invention can have a single adjustment unit and can accordingly be designed as an individual drive.
  • the furniture drive according to the invention is used to adjust parts of slatted frames
  • a double drive is formed in which one adjustment unit is used, for example, to adjust an upper body support part of the slatted frame and the other adjustment unit is used to adjust a leg support part of the slatted frame.
  • a separate drive motor can be assigned to each adjustment unit.
  • the same traction means can be assigned to the adjustment units.
  • the control functions of both adjustment units are triggered by the same traction device.
  • the first adjustment unit can be actuated in a first, smaller train path and the second adjustment unit in a second, larger train path. This results in a particularly simple operation.
  • each adjustment unit it is also possible for each adjustment unit to have at least one separate traction means. assign.
  • a separate traction means is provided for actuating each adjustment unit, so that mix-ups when actuating the adjustment units are avoided.
  • the traction means assigned to the two adjustment units are designed in such a way that the traction means of one adjustment unit takes the traction means of the other adjustment unit with them after reaching a predetermined traction path, so that both adjustment units are actuated in the further course of the train movement , In this way, the adjustment units can be operated independently of one another.
  • the adjustment units can also be operated together if the traction means of one adjustment unit takes the traction means of the other adjustment unit with them.
  • both traction devices can be provided at their free ends with a grip element, the traction device of one adjustment unit being carried out by the grip element of the other adjustment unit and the gripping elements in the rest position of the traction device of the two traction means are spaced apart in the longitudinal direction of the traction means. If the pulling element at the front in the pulling direction is pulled, only the pulling means assigned to this grip element moves in the pulling direction. If the rear grip element is pulled in the pulling direction, only the traction element assigned to this grip element moves. In the further course of the pulling movement, the rear grip element in the pulling direction comes to rest against the front grip element in the pulling direction and takes it with it, so that in the further course of the pulling movement, both pulling means are pulled and accordingly both adjustment units are operated.
  • the furniture drive is switched off when the traction means is in the rest position, in particular is electrically isolated from the mains.
  • an automatic disconnection from the mains is implemented when the traction means is in the rest position.
  • the furniture drive is galvanically connected to the network and the drive motor is activated at the same time or with a time delay.
  • the control means expediently have switch means which can be actuated by the traction means.
  • This embodiment is particularly simple in construction and therefore inexpensive to manufacture.
  • multi-stage switches or several single-stage switches can be used, which switch different control functions of the furniture drive depending on the traction path of the traction mechanism.
  • Switch and switch as well as combinations of switch and switch can be used.
  • the train path determines which control function is triggered.
  • the furniture drive can be switched on when a first train path is reached, a first adjustment unit can be activated when a second train path is reached and a second adjustment unit can be activated when a third train path is reached. This results in a particularly simple, intuitive operation.
  • control means are designed in such a way that a first control function can be triggered by pulling the pulling means once and a second control function can be triggered by pulling the pulling means twice with essentially the same travel path.
  • This control function can be, for example, reversing the direction of rotation of the drive motor. For example, if the user pulls the traction mechanism once, a first direction of rotation of the drive motor and thus a first adjustment direction of the part of the piece of furniture to be adjusted is selected, while when the traction mechanism is pulled twice, the direction of rotation of the drive motor and thus the adjustment direction is reversed.
  • one of the control functions can be switching the drive motor off or off and / or one of the control functions can be a reversal of the direction of rotation of the drive motor, as is provided by further developments. If the control functions of a drive motor, which is assigned to an adjusting unit, which can be triggered by the traction means, both switching the drive motor on and off and reversing the direction of rotation of the drive motor are available, all the necessary control processes of the traction mechanism are activated by actuating the traction means Drive motor executable.
  • the control means are actuated by the mechanical traction means.
  • the traction means it is also possible to use the traction means to simultaneously actuate further, mechanically actuated functions of the furniture drive.
  • the furniture drive has a component which can be moved between a first position and a second position, the drive motor being coupled to the adjusting unit or at least one of the adjusting units in the first position and being in engagement with the adjusting unit or at least one of the adjustment units and in the second position the drive motor is decoupled from the adjustment unit or the adjustment units and is disengaged from the adjustment unit or the adjustment units, the component being pulled between the first and the pulling means the second position is movable.
  • the drive motor is decoupled from the adjusting unit or the adjusting units in the second position, so that a part of the piece of furniture adjusted by means of the adjusting unit can be reset by hand, for example in the event of a power failure.
  • the movable component can be part of a coupling arrangement for coupling the drive motor to the adjustment unit or the adjustment units and for uncoupling the drive motor from the adjustment unit or the adjustment units, as is provided in an advantageous development.
  • This embodiment is particularly simple and therefore inexpensive to manufacture.
  • the end of the traction means facing away from the free end of the traction means is connected to a switching element with at least one switching cam for actuating a switch of the switching means, the switching element for
  • Actuation of the switch can be moved by pulling on the traction means. This results in a particularly simple and therefore inexpensive to manufacture structure. In principle, it is sufficient if the traction device remains in the respective traction position after it has been pulled. To return the traction device to the rest position, for example, a further traction device counteracting the first traction device can then be provided. Expediently, however, spring means are provided for pretensioning the traction means in a rest position. In this embodiment, the traction means returns to the rest position. If the furniture drive is galvanically isolated from the mains in this rest position, automatic mains disconnection is achieved in this way when the traction device is released.
  • FIG. 1 shows a schematic, partially sectioned side view of a first exemplary embodiment of a furniture drive according to the invention in the form of a single drive in a first position of the traction means
  • FIG. 2 shows the same representation as FIG. 1
  • FIG. 1 Furniture drive according to FIG. 1 in a second position of the traction means, 3 in the same representation as FIG. 1, a second embodiment of a furniture drive according to the invention in the form of a double drive with a plurality of traction means in a first position of the traction means,
  • FIG. 6 in the same representation as FIG. 1, a third exemplary embodiment of a furniture drive according to the invention in the form of a double drive with two traction means in a first position of the traction means,
  • FIG. 8 in the same representation as FIG. 6
  • FIG. 6 in a third position of the traction means and FIG. 9 in the same representation as FIG. 6
  • FIG. 1 shows a first exemplary embodiment of an electromotive furniture drive 2 according to the invention for adjusting parts of a piece of furniture, not shown, relative to one another, which is designed as a single drive and is designed as a spindle drive.
  • formed adjustment unit 4 which is in operative position in the assembly position of the furniture drive 2 with a part of the furniture to be adjusted.
  • the spindle drive has a fixed spindle 8, which can be driven in rotation by means of a drive motor 6, on which a spindle nut 10 is arranged to be non-rotatable and movable in the axial direction of the spindle 8, said spindle nut 10 being connected to an adjusting element 13 having a linkage 12.
  • the adjustment element 13 protrudes through an opening 14 from a housing 16 of the furniture drive 2, as shown in FIG. 1.
  • the housing 16 has a further articulation 18 at its end facing away from the adjusting element 13.
  • the articulations 12, 18 are connected to parts of a piece of furniture to be adjusted relative to one another, for example an armchair.
  • the drive motor 6 is connected to the spindle 8 via a gear arrangement 20 which has a worm wheel 22 which is rotatably mounted in the housing 16 and which engages with a worm 24 connected to the output shaft of the electric motor 6.
  • the worm wheel 22 is designed as a drive-side clutch element and, together with a clutch-side clutch element formed by a spur gear 26, forms a positive clutch.
  • the spur gear 26 is arranged in the axial direction on an axis 28 which is displaceable in the axial direction of the spur gear 26 against the action of a spring 30.
  • the spur gear 26 is in engagement with a further spur gear 32, which is non-rotatably connected to the spindle 8. In this way, in a first clutch position shown in FIG.
  • the furniture drive 2 also has control means which have a control circuit, not shown in the drawing, which is formed by an electrical or electronic circuit and is in control connection with the drive motor 6.
  • the control means have switch means with an electrical switch 33, mechanical confirmation means being provided according to the invention for actuating the switch 33.
  • the mechanical actuating means have a two-armed lever 34, one of which lever arm 36 presses against the axis 28 and on the other of which lever arm 38 a switching element 40 with a switching cam 42 is arranged.
  • a mechanical traction means is provided for actuating the control means, which in this exemplary embodiment is formed by a traction band 44, one end of which is connected to the lever arm 38 of the lever 34 and a handle element 46 is arranged at the other end.
  • the mode of operation of the furniture drive 2 according to the invention is as follows:
  • the furniture drive 2 In the rest position of the drawstring 44 shown in FIG. 1, the furniture drive 2 is electrically isolated from the network, so that a network isolation is achieved.
  • the user of the furniture drive 2 pulls the drawstring 44 in the direction of an arrow 48, so that the switching cam 42 actuates the switch 33 and the control means actuate the drive motor 6 so that the latter drives the spindle 8 via the gear arrangement 20 ,
  • the spindle nut 10 screws according to the direction of rotation of the drive motor 6 in Fig. 1 to the right or to the left, so that a part of the piece of furniture to be adjusted is adjusted by the fact that the distance between the articulations 12, 18 which correspond to the parts of the piece of furniture are connected, either enlarged or reduced.
  • control means are designed such that when the pulling band 44 is pulled once, the drive motor 6 rotates in a first direction of rotation, while when the pulling band 44 is pulled again it rotates in an opposite direction of rotation.
  • FIG. 3 shows a second exemplary embodiment of a furniture drive 2 according to the invention, which is designed as a double drive and has two adjustment units, of which an adjustment unit 50 is designed essentially as it is for the
  • Adjustment unit 4 of the embodiment according to FIG. 1 has been described above.
  • the adjusting unit 50 is designed as a spindle drive, and its components are provided with reference symbols which correspond to the reference symbols of the components of the exemplary embodiment according to FIG. 1.
  • the spindle nut 10 is used for pivoting a pivot lever 52 which is connected in a rotationally fixed manner to a shaft 56 which is rotatably mounted about an axis 54 and is operatively connected to a part of the piece of furniture to be adjusted.
  • the manner in which the part of the piece of furniture, for example part of a slatted frame, is pivoted by means of the shaft 56 is generally known to the person skilled in the art and is therefore not explained in more detail here. In this respect, for example, the WO
  • the furniture drive 2 in the exemplary embodiment according to FIG. 3 has a further adjusting unit 50 ', the components of which also Reference numerals are provided which correspond to the reference numerals of the adjusting unit 50.
  • the spur gears 26, 26 ' which form the output-side coupling elements of the adjusting units 50, 50', are arranged at a fixed axial distance from one another on the axis 28, which can be displaced in the axial direction by means of the lever 34 against the action of the spring 30, as is shown in FIG of the embodiment of FIG. 1 has already been explained.
  • tension band 44 In addition to the tension band 44 are in this embodiment further tension straps 44 '' and 44 '' are provided, whose importance will be explained in more detail below.
  • Fig. 3 the drawstrings 44, 44 ', 44''are in the rest position.
  • the axis 28 is biased axially to the right by the spring 30 in FIG. 3, so that the spur gear 26 is in engagement with the worm gear 22 and the adjustment unit 4 is coupled to the drive motor 6.
  • the switch cam 42 actuates the switch 33, so that the furniture drive 2 is switched on and the drive motor 6 drives the spindle 8, so that the spindle nut 10 moves in accordance with the direction of rotation of the drive motor 6 in FIG 4 screws to the left or right.
  • the thickening 58 runs against the stop 60, so that a further pulling movement of the drawstring 44 is prevented.
  • the user releases the drawstring 44 and pulls on the drawstring 44' '.
  • the axis 28 in FIG. 3 is first shifted to the right in the axial direction, so that the spur gear 26 disengages from the worm gear 22 and the spur gear 26 'engages with the worm gear 22, as shown in FIG. 4.
  • the spindle 8 'of the adjusting unit 4' is coupled to the drive motor 6.
  • the further tension band 44 ' is provided.
  • the user pulls on the further drawstring 44 ' the axis 28 is moved into a position in which both spur gears 26, 26' are disengaged from the worm wheel 22. This position is reached when the thickening 58 of the tension band 44 'runs against the stop 60'. In this position, which is shown in FIG.
  • both adjustment units 4, 4 ' are uncoupled from the drive motor 6, so that the parts of the furniture adjusted by means of the furniture drive 2 can be reset by hand, provided that the spindle drives 9, 10 or 8 ', 10' of the adjustment units 4, 4 'are not designed to be self-locking.
  • FIG. 6 shows a third exemplary embodiment of a furniture drive 2 according to the invention, which differs from the exemplary embodiment according to FIG. 3 primarily in that the adjusting units 50, 50 'can be coupled to or disconnected from the drive motor 6 separately from one another ,
  • the adjusting unit 50 has, in addition to an axially movably mounted clutch element 64 on the driven side, a further clutch element 66 which is connected to the spindle 8 in a rotationally fixed manner.
  • the drive-side clutch element 64 has on its axial sides facing the drive-side clutch element 22 and the further clutch element 66 axial projections 68, 70 with which the drive-side clutch element 64 in a clutch position in which it connects the further clutch element 66 to the drive-side clutch element 22 in a rotationally fixed manner , engages in recesses 74 which are formed on the side of the further coupling element 66 or of the drive-side coupling element 22 facing the output-side coupling element 64.
  • lever 76 In order to axially move the coupling element 64 on the drive side, there is a two-armed lever 76 provided, one lever arm engages in a circumferential groove formed on the output-side coupling element 64 and the other lever arm 80 is connected to a tension band 82, on the free end of which a grip part 84 is arranged. When pulling on the tension band 82 in the direction of an arrow 86, the lever 76 in FIG.
  • Tension spring 88 is provided which is connected to the lever 76 via a lever 90.
  • the second adjustment unit 50 ' has an output-side coupling element 64' which can be moved axially by means of a tension band 82 'via a two-armed lever 76'.
  • the grip element 84 ' has a recess 92 through which the drawstring 82 is guided, the grip elements 84, 84' in the rest position of the drawstrings 82, 82 shown in FIG. 6 'are spaced apart in the longitudinal direction of the drawstrings 82, 82'.
  • the levers 76, 76 ' are mounted on a common axis 94, but are independent pivotable from each other.
  • the drawstrings 82, 82 ' are surrounded by a sheath 96 and designed in the manner of a Bowden cable, so that a secure pulling function is ensured, for example, even with narrow installation radii of the drawstrings 82, 82'.
  • each adjustment unit 50, 50 ' is assigned a separate tension band 82, 82'
  • the adjustment units 50, 50 ' can also be adjusted together when the tension band 82 is taken along by the tension band 82', the operation is particularly simple and convenient designed.
  • the furniture drive 2 according to the invention is simple and inexpensive to manufacture and robust in construction.

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Abstract

L'invention concerne une commande de meuble (2) faisant appel à un moteur électrique et permettant de régler des parties d'un meuble les unes par rapport aux autres. Cette commande de meuble comprend au moins une unité de réglage (4) pouvant être commandée par un moteur de commande (6) et coopérant avec une partie du meuble à régler lorsque la commande de meuble (2) se trouve en position de montage. Cette commande de meuble (2) comporte en outre des moyens de commande conçus pour commander ledit moteur de commande (6). Selon l'invention, au moins des moyens d'actionnement mécanique comprenant un moyen de traction mécanique (44) sont prévus pour les moyens de commande. Ladite commande de meuble (2) peut être produite de manière particulièrement simple et par conséquent à peu de frais et s'utilise aisément.
PCT/EP2002/014645 2002-01-04 2002-12-20 Commande de meuble faisant appel a un moteur electrique et permettant de regler des parties d'un meuble les unes par rapport aux autres WO2003055356A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002361188A AU2002361188A1 (en) 2002-01-04 2002-12-20 Electromotive furniture drive for displacing parts of a piece of furniture in relation to each other

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200168.5 2002-01-04
DE2002100168 DE10200168A1 (de) 2002-01-04 2002-01-04 Elektromotorischer Möbelantrieb zum Verstellen von Teilen eines Möbels relativ zueinander

Publications (1)

Publication Number Publication Date
WO2003055356A1 true WO2003055356A1 (fr) 2003-07-10

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PCT/EP2002/014645 WO2003055356A1 (fr) 2002-01-04 2002-12-20 Commande de meuble faisant appel a un moteur electrique et permettant de regler des parties d'un meuble les unes par rapport aux autres

Country Status (3)

Country Link
AU (1) AU2002361188A1 (fr)
DE (1) DE10200168A1 (fr)
WO (1) WO2003055356A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009000349A1 (fr) * 2007-06-28 2008-12-31 Linrot Holding Ag Entraînement de meuble à moteur électrique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502204B1 (de) * 2005-07-20 2012-10-15 Blum Gmbh Julius Antrieb für ein bewegbares möbelteil
DE102005062999B4 (de) * 2005-12-30 2016-10-27 Dewertokin Gmbh Elektromotorischer Möbelantrieb
AT504375B1 (de) 2006-10-23 2010-01-15 Blum Gmbh Julius Möbel mit einer antriebsvorrichtung für bewegbare möbelteile
DE202007006663U1 (de) * 2007-05-07 2008-09-18 Hettich Franke Gmbh & Co. Kg Verstelleinrichtung für Möbel
DE202010005413U1 (de) * 2010-05-08 2011-10-12 Dewert Antriebs- Und Systemtechnik Gmbh Elektromotorischer Möbelantrieb mit einer Netzfreischaltungseinrichtung und entsprechende Netzfreischaltungseinrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277080A (en) * 1992-11-30 1994-01-11 Roelle David R Manually actuated furniture control
DE9316465U1 (de) 1993-10-28 1994-01-13 Dewert Antriebs Systemtech Elektromotorische Verstelleinrichtung für ein Möbel
DE29905299U1 (de) 1999-03-23 2000-08-24 Dewert Antriebs Systemtech Netzfreischaltungsvorrichtung für motorverstellbare Möbel
EP1118293A2 (fr) * 2000-01-15 2001-07-25 Frank Sitzmöbel GmbH Meuble pour s'asseoir
EP1161902A2 (fr) * 2000-06-09 2001-12-12 Alan Glaser Dispositif de commande pour chaise, et chaise avec un tel dispositif de commande

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5277080A (en) * 1992-11-30 1994-01-11 Roelle David R Manually actuated furniture control
DE9316465U1 (de) 1993-10-28 1994-01-13 Dewert Antriebs Systemtech Elektromotorische Verstelleinrichtung für ein Möbel
DE29905299U1 (de) 1999-03-23 2000-08-24 Dewert Antriebs Systemtech Netzfreischaltungsvorrichtung für motorverstellbare Möbel
EP1118293A2 (fr) * 2000-01-15 2001-07-25 Frank Sitzmöbel GmbH Meuble pour s'asseoir
EP1161902A2 (fr) * 2000-06-09 2001-12-12 Alan Glaser Dispositif de commande pour chaise, et chaise avec un tel dispositif de commande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009000349A1 (fr) * 2007-06-28 2008-12-31 Linrot Holding Ag Entraînement de meuble à moteur électrique

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DE10200168A1 (de) 2003-07-24
AU2002361188A1 (en) 2003-07-15

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