EP3954254A1 - Dispositif d'appui à réglage par moteur électrique - Google Patents

Dispositif d'appui à réglage par moteur électrique Download PDF

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Publication number
EP3954254A1
EP3954254A1 EP21189388.8A EP21189388A EP3954254A1 EP 3954254 A1 EP3954254 A1 EP 3954254A1 EP 21189388 A EP21189388 A EP 21189388A EP 3954254 A1 EP3954254 A1 EP 3954254A1
Authority
EP
European Patent Office
Prior art keywords
support part
support
adjustment
base part
support device
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.)
Pending
Application number
EP21189388.8A
Other languages
German (de)
English (en)
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.)
De Werth Group AG
Original Assignee
De Werth Group 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 DE102021119984.0A external-priority patent/DE102021119984A1/de
Application filed by De Werth Group AG filed Critical De Werth Group AG
Publication of EP3954254A1 publication Critical patent/EP3954254A1/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C21/00—Attachments for beds, e.g. sheet holders or bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018—Control or drive mechanisms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/22—Combinations of bedsteads with other furniture or with accessories, e.g. with bedside cabinets
    • 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

Definitions

  • the invention relates to an electric motor-adjustable support device of the type mentioned in the preamble of claim 1 for supporting an upholstery of a piece of furniture for sitting and/or lying down, in particular a mattress of a bed.
  • So-called double drives are known for adjusting slatted frames, for example, which have a housing designed as a separate component that can be connected to the slatted frame and in which two adjusting units are accommodated, one of which is used, for example, to adjust a back support part and the other to adjust a leg support part of the slatted frame .
  • the adjustment units are designed as spindle drives, with the drive being coupled to a support part to be adjusted via a linkage lever which is non-rotatably connected to a pivot shaft assigned to the support part to be adjusted.
  • the spindle nut of the spindle drive presses against the linkage lever, so that the swivel shaft and thus the support part swivel.
  • Such double drives are, for example, through EP 0 372 032 A1 and DE 38 42 078 A1 famous.
  • the support device known from the publication has a base part, a support part which is connected to the base part so that it can pivot about a support part pivot axis, and an electromotive drive device which is operatively connected to the base part and the support part for pivoting the support part relative to the base part, the base part and the support part are designed in such a way and are operatively connected to the drive device in such a way that the support part can be adjusted between an undisturbed starting position, in which the support part lies flat on the base part, and an end position of the adjustment movement, in which the support part is arranged at an angle to the base part is.
  • the invention is based on the object of specifying an electric motor-adjustable support device of the type mentioned in the preamble of claim 1, which is further improved compared to the known support device.
  • the drive device has at least one drive train, through which the drive device is in drive connection with an adjustment element that can be moved translationally along a linear axis, such that the adjustment element can be moved by means of the drive device between an initial position, which corresponds to the non-adjusted initial position of the support part, and an end position, which corresponds to the end position of the adjustment movement, and that at least one lifting guide element acting in the manner of a wedge is arranged on at least one of the parts is shaped in such a way and is or can be brought into operative connection with the adjustment element that during a relative movement between the adjustment element and the lifting guide element along the linear axis, the support part is pivoted relative to the base part about the pivot axis.
  • the invention provides a support device that can be adjusted by an electric motor, has a simple and robust design and is suitable for applying large adjustment forces.
  • FIGS 1.1 to 1.9 a first exemplary embodiment of an electric motor-adjustable support device 2 according to the invention for supporting an upholstery of a piece of seating and/or lying furniture, in particular a mattress of a bed, is shown.
  • the upholstery is not shown in the drawing.
  • the manner in which a corresponding upholstery is supported by means of a support device is generally known in the art and is therefore not explained in more detail here.
  • Figure 1.1 shows the support device 2 in an unadjusted starting position of the adjustment movement
  • Figure 1.2 represents the support device 2 in an end position of the adjustment movement.
  • the support device 2 has a base part 4 and a support part 6, which pivots about a support part pivot axis 8 (cf. Figure 1.4 ) is pivotally connected to the base part 4.
  • the support device 2 is particularly suitable for retrofitting a support device that is not adjustable by an electric motor ex works, for example a slatted frame of a bed, with the functionality of an electric motor adjustment.
  • the support device 2 according to the invention is also particularly suitable for temporarily equipping or permanently retrofitting a care or hotel bed in order to give it the functionality of an electric motor adjustment.
  • the basic structure and possible uses of a corresponding support device are through EP 3 009 052 A2 known, to which reference is made at this point and the content of which is hereby fully incorporated by reference into the present application.
  • the support device 2 also has an electromotive drive device 10 which is operatively connected to the base part 4 and the support part 6 for pivoting the support part 6 relative to the base part 4 .
  • the base part 4 and the support part 6 are designed in such a way and are operatively connected to the drive device 10 in such a way that the support part 6 can be moved between an unadjusted initial position (cf. Figure 1.1 ), in which the support part 6 lies flat on the base part 4, and an end position of the adjustment movement is adjustable, in which the support part is arranged at an angle to the base part 4 (cf. Figure 1.2 ).
  • the support part 6 carries spring elements on its upper side, on which padding, for example a mattress of a bed, is supported when the support device 2 is used.
  • the spring elements are formed in the illustrated embodiment by spring elements made of plastic, of which in Figure 1.1 and Figure 1.2 only one spring element is provided with the reference number 12 as an example.
  • Figure 1.3 corresponds and shows the support device 2 in the unadjusted initial position
  • Figure 1.4 the Figure 1.2 corresponds and shows the support device 2 in the end position of the adjustment movement
  • the spring elements 12 are omitted.
  • the support part 6 has longitudinal bars 14, 16, while the base part 4 has longitudinal bars 18, 20 which are connected to one another via a transverse bar 22.
  • the drive device 10 has at least one drive train, through which the drive device 10 is in drive connection with an adjustment element that can be moved translationally along a linear axis, such that the adjustment element can be moved by means of the drive device between an initial position, which corresponds to the non-adjusted initial position of the support part, and a End position, which corresponds to the end position of the adjustment movement, is movable.
  • there are two drive trains namely a drive train 24 assigned to the longitudinal beams 14, 18 and a drive train 26 assigned to the longitudinal beams 16, 20. Only the drive train 26 is explained in more detail below.
  • the drive train 24 is constructed accordingly.
  • the drive train 26 has an output element 28 that can be moved in translation along a linear axis, which in this exemplary embodiment is formed by a slide that is guided in a linear guide 30 that is defined by the longitudinal beam 20 that is formed by a U-profile.
  • the slider In the U-profile, the slider is in the longitudinal direction of the Longitudinal beam 20 is movable in translation along a linear axis which runs in the longitudinal direction of longitudinal beam 20 .
  • the electromotive drive device 10 is formed in this embodiment by a furniture drive using a Bowden cable with a cable and a sheath.
  • a corresponding furniture drive is off EP 2 792 277 B2 known, the content of which is hereby fully incorporated by reference into the present application.
  • the Bowden cable is in Figures 1.1 to 1.9 not shown.
  • the output element 28 is connected to a movable part of the Bowden cable, so that it moves translationally along the linear axis when the furniture drive is actuated.
  • the movable part of the Bowden cable can be the traction cable of the Bowden cable, while the casing is arranged in a stationary manner.
  • the movable part of the Bowden cable can also be the casing, while the traction cable is arranged in a stationary manner, as shown in FIG EP 3 157 389 A1 famous.
  • an adjustment element 32 is provided, which in this exemplary embodiment is integrally formed on the driven element 28 .
  • the adjustment element 32 can also be designed as a separate component connected to the drive element in a non-displaceable manner, or it can be functionally connected to the driven element 28 in some other suitable manner.
  • At least one lifting guide element 34 is arranged on one of the parts (base part 4, support part 6), which is shaped in such a way that it is or can be functionally connected to the adjustment element 32 such that when there is a relative movement between the adjustment element 32 and the lifting guide element 34 the linear axis that Support part 6 is pivoted relative to the base part 4 about the support part pivot axis 8 .
  • the lifting guide element 34 which acts like a wedge, is arranged on the support part, specifically in the area of the support part pivot axis 8 (cf. in particular Figure 1.5 )
  • the adjustment element 32 is therefore arranged on the base part 4 in the exemplary embodiment shown.
  • the adjusting element 32 is formed like a nose and projecting beyond the base part 4 in the direction of the support part 6, as is shown in particular in FIG Figure 1.9 in relation to the adjusting element 32 'of the drive train 24 can be seen.
  • the adjustment element 32 is accommodated in a recess formed on the support part 6, the inner wall of which forms a contact surface for the adjustment element 32, the cross section of which tapers in the direction of the support part pivot axis 8 in such a way that the support part 6 performs a translatory movement of the adjustment element 32 can be pivoted or is pivoted in the direction of the support part pivot axis 8 about the support part pivot axis 8 .
  • the lifting guide element 34 is formed by a molded part which is connected to the longitudinal beam 20 of the support part 6 and whose side facing the base part 4 forms the recess and contact surface for the adjustment element 32, as shown in particular in FIG Figure 1.8 is evident.
  • lifting guide element 34 is designed or shaped in such a way and is operatively connected to adjustment element 32 in such a way that during a translational relative movement between adjustment element 32 and lifting guide element 34, support part 6 is pivoted relative to base part 4 about support part pivot axis 8.
  • the support part 6 is flat on the base part 4, wherein the nose-like adjustment element 32 is excellently accommodated in the recess defined by the lifting guide element 34 on the top of the support part 6.
  • the furniture drive (electric motor drive device 10) is actuated in such a way that the adjustment element 32 moves along the linear guide 30 in a translatory manner to the right in the drawing.
  • adjustment element 32 rests against the underside of lift guide element 34, so that due to the shape of lift guide element 34, support part 6 is pivoted about support part pivot axis 8 relative to base part 4 until the in Figures 1.2 and 1.4 shown end position of the adjustment movement is reached, in which the support part 6 is arranged at an angle relative to the base part 4 and is adjusted to the maximum.
  • Figure 1.5 shows the support device 2 in the same representation as Figure 1.4 and illustrates the interaction of the adjusting element 32 with the lifting guide element 34.
  • Figure 1.6 shows in opposite Figure 1.5 a detail on a larger scale Figure 1.5 in the area of the adjusting element 32 and the lifting guide element 34.
  • the support part 6 is returned to the starting position relative to the base part 4 when the drive device is switched on, but under the weight of the upholstery resting on the support part 6 and possibly under the additional weight of a person resting on the upholstery.
  • the support device 2 has a simple and robust design and is suitable for applying large adjustment forces, which are required, for example, when the support part 6 is adjusted under the weight of a person resting on the upholstery supported by the support device 2 .
  • the actuation of the Bowden cables assigned to the drive trains 24, 26 can in principle be effected by separate furniture drives which are synchronized in terms of control technology.
  • the actuation is preferably carried out by a common furniture drive which actuates both Bowden cables synchronously, as is shown, for example, in FIG EP 2 792 277 B1 is known. In this way, the use of the support part 6 during the adjustment is reliably avoided.
  • the drive takes place via 2 drive trains assigned to the longitudinal beams 14, 18 and 16, 20, respectively. While retaining the basic principle according to the invention, a single drive train can also be used, which is arranged in the longitudinal center plane of the support part 6 or base part 4 .
  • a wedge-like effect is understood to mean that the relevant component performs the function of a wedge or an inclined plane, regardless of its shape and design.
  • a second exemplary embodiment of a support device 2 according to the invention is shown. While in the embodiment according to Figures 1.1 to 1.9 the casing of the Bowden cable forms the moving part that is moved by means of the furniture drive is in accordance with the embodiment 2 the cable of the Bowden cable is the moving part. How out 2 can be seen, is the in 2 provided with the reference numeral 36 Bowden cable in the region of the support part pivot axis 8 out of the support device 2 to the furniture drive, not shown, which forms the electromotive drive device 10, out.
  • a third exemplary embodiment of a support device 2 according to the invention is shown that differs from the exemplary embodiment according to FIG 2 differs in that the spring elements are formed by slats, of which in 3 a spring wood is provided with the reference number 38, for example.
  • a fourth exemplary embodiment of a support device according to the invention is shown, which differs from the previous exemplary embodiments first of all in that instead of two drive trains spaced apart from one another transversely to the longitudinal direction of the support device 2, a single drive train 26 is provided, which is connected between a single longitudinal beam 20 of the base part 4 and a individual longitudinal beam 16 of the support part 6 is effective.
  • the embodiment differs according to FIG Fig. 4.1 to Fig. 4.5 from the previous exemplary embodiments in that a lever arrangement 40 is arranged in the drive train between the base part 4 and the support part 6 .
  • the lever arrangement 40 has an adjustment element within the meaning of the invention functioning setting-up lever arrangement 42 with at least one setting-up lever.
  • Fig. 4.1 to Fig. 4.3 represent the support device 2 in the end position of the adjustment movement, with Figures 4.2 and 4.3 various components are omitted for the sake of illustration.
  • Figures 4.4 and 4.5 represent the support device in the unadjusted starting position of the adjustment movement, whereby also in Figure 4.4 and Figure 4.5 various components are omitted for the sake of illustration.
  • the deployment lever arrangement 42 (cf. in particular Figure 4.5 ) has a first setting-up lever 44, one end of which is articulated and connected about a first joint axis 46 to the driven member 28 and the other end of which is articulated and connected about a second joint axis 48 to one end of a second setting-up lever 50, the free end of which is connected to a wedge-like acting lifting guide element 52 is in operative connection.
  • the operative connection between the second setting lever 50 and the lifting guide element 52 is designed in such a way that, starting from the non-adjusted starting position of the adjustment movement (cf. Figure 4.4 )
  • the raising levers 44, 50 perform a translatory movement when not raised, with the raising levers 44, 50 being guided in the linear guide 30 and the free end of the second raising lever 50 interacting with the lifting guide element 52 for pivoting the support part 6 relative to the Base part 4, and that in a second kinematic phase the free end of the second deployment lever 50 runs against a stop, so that the deployment levers 44, 50 pivot relative to one another about the second joint axis 48, with the support part 6 relative to the base part 4 moving further around the Support part pivot axis 8 pivoted until the end position of the adjustment movement is reached.
  • the lifting guide element 52 has a cross section that widens at least in sections along the linear axis of the adjustment element.
  • the stroke guide element 52 is shaped in such a way that its cross section expands along the linear axis in such a way that the adjustment element in the area of the starting position of the adjustment movement comes into contact with a section of smaller or minimal cross section of the stroke guide element 52 and in the area of the end position of the adjustment movement in contact is located at a section of larger or maximum cross-section of the lifting guide element 52 .
  • the lifting guide element 52 is wedge-shaped in the exemplary embodiment shown, with its cross section moving in the direction of the support part pivot axis 8, i.e. in the direction in which the positioning lever arrangement 42 acting as an adjustment element moves when it is adjusted from the starting position to the end position expanded.
  • the lifting guide element 52 can also be shaped in such a way that its cross section widens at least in sections in the form of an arc or a ramp. Any combination of curved and straight cross-sectional sections is also possible.
  • the kinematics of the adjustment movement are defined by the cross-sectional shape of the lifting guide element 52 . This also applies to the further exemplary embodiments of the invention explained above and explained in more detail below.
  • the setting-up lever arrangement 42 acting as an adjustment element corresponds to the exemplary embodiment according to FIG figure 1.1 to 1.9 guided in a linear guide 30 formed by the U-profile of the longitudinal beam 18 .
  • the starting position of the adjustment movement shown is that of the furniture drive (electromotive drive device) assigned to the adjustment element is actuated in such a way that the raising lever arrangement 42 in the linear guide 30 moves to the right in the drawing without being raised.
  • the free end of the second raising lever 2 runs under the lift guide element 52, so that the lift guide element is pivoted about the support part pivot axis 8 in the drawing clockwise.
  • the support part 6 is pivoted relative to the base part 4 in the desired manner. Due to the fact that at the beginning of the adjustment movement the free end of the second raising lever 50 runs under the lifting guide element 52, the dead center during the adjustment of the support part 6 is overcome.
  • the free end of the second setting-up lever 50 runs against the end of the linear guide 30 that acts as a stop, so that the setting-up levers 44, 50 pivot about the second joint axis 2 relative to one another, causing the support part 6 to move further about the support-part pivot axis 8 is pivoted until the in Figure 4.1 shown end position of the adjustment movement is reached.
  • a roller arrangement 54 can be provided at the free end of the second opening lever 50 in order to reduce the friction of the opening lever arrangement 42 in the linear guide 30 .
  • Figures 5.1 and 5.2 a modification of the previous exemplary embodiment is shown, which differs from the same in that the raising levers 44, 50 have a greater length. In this way, the pivoting stroke in the pivoting adjustment of the support part 6 is relative to the base part 4 increases and reduces the load on the electric motor drive device.
  • Figure 5.1 shows the support device 2 in the end position of the adjustment movement
  • Figure 5.2 represents the support device 2 in the undistorted initial position of the adjustment movement.
  • FIG. 6.1 to 6.5 is a further modification of the embodiment of FIG Fig. 4.1 to Fig. 4.5 shown, which differs from the same in that the electromotive drive device 10 is not based on the functional principle of a Bowden cable, but rather on the functional principle of a spindle drive.
  • the electromotive drive device 10 has an electric motor 56 which, via a worm gear, is in rotary drive connection with a rotatably mounted threaded spindle, on which a spindle nut 58 is arranged, secured against rotation and movable in the axial direction.
  • Corresponding spindle drives are generally known to those skilled in the field of furniture drives and are therefore not explained in more detail here.
  • the spindle nut 58 is connected to the raising lever arrangement 42 via tabs 60, 62 which extend in the longitudinal direction of the linear guide 30 and which can be formed, for example, by sheet metal strips and between which the threaded spindle is accommodated.
  • the drive train 26 has a high level of rigidity.
  • a Bowden cable drive can be exchanged for a drive with a spindle drive.
  • a further exemplary embodiment of a support device 2 according to the invention is shown using a lever arrangement.
  • the lever arrangement has an individual lever 66 which is mounted on the base part 4 so that it can pivot about a stationary lever pivot axis 64 and whose free end has a roller 68 (cf. Figure 7.3 ) carries, on which the support part 6 rests loosely with its underside.
  • a lifting guide element 52 is fastened to the underside of the lever 66, which interacts with an adjustment element for the adjustment of the support part 6 relative to the base part 4, which in this exemplary embodiment is designed as a roller carriage 68 (cf. Figure 7.4 ).
  • the roller carriage 68 On its side facing the linear guide 30 , the roller carriage 68 has rollers 70 , 72 , on which it runs in the linear guide 30 .
  • the roller carriage 68 On its side facing the lifting guide element 52, the roller carriage 68 has a further roller 74, with which the roller carriage 68 comes into contact with the lifting guide element 52 during the adjustment movement.
  • the lifting guide element 52 has an elongated, wedge-like contact surface which widens in cross-section towards the lever pivot axis 64 .
  • the roller carriage 68 is in a tensile connection with a movable part of a Bowden cable of a Bowden cable drive.
  • Figure 7.1 shows the support device 2 in the end position of the adjustment movement
  • Fig. 7.2 to Fig. 7.4 show the brace in the starting position.
  • the Bowden cable drive is actuated in such a way that the roller carriage 68 in the linear guide 30 is pulled to the left in the drawing.
  • the roller carriage 68 moves under the lifting guide element 52, so that the lever 66 in Figure 7.1 pivoted counterclockwise.
  • the support part 6 lying loosely on the free end of the lever 66 is pivoted clockwise until the Figure 7.1 shown end position of the adjustment movement is reached.
  • a modification of the previous exemplary embodiment is shown, which differs from the same in that a spindle drive 57 with a spindle nut 58 which is arranged on a threaded spindle 76 is provided instead of a Bowden cable drive.
  • Figure 8.1 shows the support device 2 in the end position of the adjustment movement, while 8.2 to 8.5 show the support device 2 in the starting position of the adjustment movement.
  • Figure 8.5 shows the lifting guide element 52 used in the exemplary embodiment taken by itself.
  • lever 66 has two parallel lever parts 78, 80 (plates) which are spaced apart from one another in the radial direction of the threaded spindle 76 and between which the threaded spindle 76 is guided during the adjustment movement.
  • a further exemplary embodiment of a support device 2 according to the invention is shown.
  • Fig. 9.1 to Fig. 9.3 shows the support device 2 in a perspective view in different adjustment positions.
  • Figure 9.1 shows the support device 2 in a starting position of the adjustment movement, in which the support part 6 rests flat on the base part 4, while Figure 9.3 shows the support device in an end position of the adjustment movement.
  • Figure 9.2 shows the support device in an intermediate position of the adjustment movement.
  • Figure 9.4 shows the support device 2 in the end position of the adjustment movement in a perspective view of the back of the support part 6.
  • Figure 9.5 12 shows the support device 2, the support part 6 being omitted to illustrate the interaction of the second deployment lever 50 with the lifting guide element 52.
  • Figure 9.6 shows in the same representation as Figure 9.5 , but in opposite Figure 9.5 a detail in the area of the lifting guide element 52 on an enlarged scale.
  • the drive device 10 has a drive housing 82 consisting of half-shells, to which struts 84, 86 are connected, with which the support device 2 is supported on a base when in use and which extend transversely to the longitudinal direction of the support device 2.
  • the struts 84, 86 can be molded onto the drive housing 82 or formed by separate components connected to the drive housing 82.
  • the drive device 10 has a spindle drive 57 .
  • the electric motor 56 is omitted in order to clarify the structure of a transmission arranged downstream of the electric motor 56 in the drive train.
  • the output shaft of the electric motor 56 is designed as a worm, which is in engagement with a first worm gear 88 that is non-rotatably connected to a first spur gear 90 .
  • the output shaft of the electric motor 56 is also in engagement with a second worm gear 92 , to which a second spur gear 94 is non-rotatably connected, which is in mesh with the first spur gear 90 .
  • the threaded spindle 76 is non-rotatably connected to the second worm gear 92 and the second spur gear 94 .
  • any other gear can also be used.
  • the support device according to the invention has a simple and robust design and is suitable for applying large adjustment forces.
  • a support device When the support device is used, upholstery of furniture for sitting and/or lying down, for example a mattress of a bed, can be supported directly on the support part 6 .
  • a support device according to the invention it is also possible to use a support device according to the invention to motorize a manually adjustable slatted frame, for example, by inserting a support device according to the invention between an adjustable support part of the slatted frame, in particular a head part of the slatted frame, and a mattress.
  • the support device according to the invention can be used both in the care sector and in the home sector.
  • the kinematics of the adjustment movement is due to the appropriate design of the setting-up lever arrangement, in particular with regard to the length of the setting-up lever of the setting-up lever arrangement, and the lifting guide element, in particular with regard to its shape, can be selected within wide limits according to the respective requirements and circumstances.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP21189388.8A 2020-08-12 2021-08-03 Dispositif d'appui à réglage par moteur électrique Pending EP3954254A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE202020104670 2020-08-12
DE202020104959 2020-08-27
DE102021108345 2021-04-01
DE202021101760 2021-04-01
DE102021119984.0A DE102021119984A1 (de) 2020-08-12 2021-08-02 Elektromotorisch verstellbare Stützeinrichtung

Publications (1)

Publication Number Publication Date
EP3954254A1 true EP3954254A1 (fr) 2022-02-16

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ID=77206984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21189388.8A Pending EP3954254A1 (fr) 2020-08-12 2021-08-03 Dispositif d'appui à réglage par moteur électrique

Country Status (3)

Country Link
US (1) US12336942B2 (fr)
EP (1) EP3954254A1 (fr)
CN (2) CN114073382B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床
WO2025214584A1 (fr) * 2024-04-09 2025-10-16 Pampero AG Dispositif de support réglable par électromoteur

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842078A1 (de) 1988-01-14 1989-07-27 Niko Antriebstechnik Antrieb fuer lattenroste (ii)
EP0372032A1 (fr) 1988-05-07 1990-06-13 Eckhart Dewewrt Agencement de reglage de grilles en lattes.
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US12336942B2 (en) 2025-06-24
CN114073382A (zh) 2022-02-22

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