EP2974623A1 - Elektromotorisch verstellbare stützeinrichtung - Google Patents

Elektromotorisch verstellbare stützeinrichtung Download PDF

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Publication number
EP2974623A1
EP2974623A1 EP15002100.4A EP15002100A EP2974623A1 EP 2974623 A1 EP2974623 A1 EP 2974623A1 EP 15002100 A EP15002100 A EP 15002100A EP 2974623 A1 EP2974623 A1 EP 2974623A1
Authority
EP
European Patent Office
Prior art keywords
lever
support
adjustment
adjusting
support member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15002100.4A
Other languages
German (de)
English (en)
French (fr)
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
Application filed by De Werth Group AG filed Critical De Werth Group AG
Publication of EP2974623A1 publication Critical patent/EP2974623A1/de
Withdrawn legal-status Critical Current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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • 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
    • A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
    • 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

Definitions

  • the invention relates to an electromotive adjustable support means referred to in the preamble of claim 1 for a padding of a seat and / or reclining furniture, in particular a mattress of a bed.
  • Such support means are well known, for example in the form of slatted frames.
  • double drives which have a separate, connectable with the slatted frame component housing in which two adjusting units are added, one of which is used for example for adjusting a back support member and the other for adjusting a leg support part of the slatted frame
  • the adjusting units are formed in the known double drives as a spindle drive, wherein the drive technology coupling to a support member to be adjusted via an articulation lever, which is rotatably connected to a pivot shaft, which is assigned to the supporting member to be adjusted.
  • the spindle nut of the spindle drive presses against the articulation lever, so that the pivot shaft and thus the support member pivots.
  • Such double drives are for example by EP 0372032 A1 and DE 3842078 A1 known.
  • DE 10017989 C2 and DE 10017979 C2 is in each case designed as a double drive furniture drive, in which each adjustment has an electric motor driven winding device for a rope, belt or chain-shaped traction means which is connected in the manner of a pulley with a pivot lever which is rotatably connected to a pivot shaft, in turn is in operative connection with a support member to be adjusted.
  • a slatted frame in which the adjustment of, for example, an upper body support member via a windshield wiper motor and a scissors takes place.
  • EP 1294255 B1 a double drive is known in which the power transmission from a linearly movable drive element to a pivot lever, which is in operative connection with a standing with a support member to be adjusted pivotally connected pivot shaft, via a pulley. Similar furniture drives are also through FR 2727296 . DE 3409223 C2 . DE 19843259 C1 . GB 2334435 and US 5528948 known.
  • slatted frames are known in which the adjusting device for adjusting a support member is partially or completely integrated into a main body of the slatted frame.
  • An electromotive adjustable support means having a mutually parallel longitudinal beams exhibiting first support member which is formed in the known from the document support means by a stationary central support member.
  • the known support means further comprises further support members which are adjustable by drive means relative to the first support member.
  • a first longitudinal spar of the first support member for receiving the drive means is formed as a hollow profile, wherein the entire drive is received including a drive motor in the hollow longitudinal spar.
  • a motorized support means for a mattress of a bed which has a plurality of longitudinally of the support means consecutive support members which are pivotable by drive means relative to a first support member.
  • the support members are mounted on an outer frame whose profile height is substantially greater than the profile height of the support members.
  • parts of outer frame formed as a hollow profile wherein in the hollow profile parts of the drive means for Ve ein the support members are added relative to each other.
  • the drive motor is disposed on an inner side of a part of the outer frame.
  • a motor-adjustable support means for a mattress of a bed which has a longitudinal spar exhibiting a first support member and at least a second support member which is pivotable by drive means relative to the first support member.
  • the known support device of the drive motor is arranged outside the base of the support means and fixed to a frame-like extension of the first support member.
  • a furniture drive provided for adjusting a drawer relative to a body of a cabinet is known in which the adjustment of the drawer takes place via a flexible toothed rack which is in engagement with a toothed wheel.
  • Electromotive adjustable slatted frames usually have a Verstellbeschlag on it serves to transmit the adjustment of an electric motor or more electric motors on the mutually adjustable support members of the slatted base.
  • a double drive is mounted on the slatted frame so that its adjusting elements come into operative connection with the adjustment fitting of the slatted frame.
  • the invention has for its object to provide an electric motor adjustable support means referred to in the preamble of claim 1 species, which has a low height and is suitable for applying large displacement forces.
  • the invention is based on the finding that it can be advantageous in the adjustment of support means when the adjusting force exerted on an adjusting member to be adjusted during the adjusting movement changes during the adjustment.
  • the support device is, for example, a slatted frame on which a mattress rests
  • the mattress is resiliently deformed during the adjustment of a back support part of the slatted frame.
  • the restoring forces which seek to restore the mattress in its original form, increase considerably. This is especially true when the mattress is a so-called box spring mattress.
  • these restoring forces must be overcome by the electric motor drive unit. Since the restoring forces increase towards the end of the adjustment movement, that is to say with the mattress deformed to a maximum extent, it may accordingly be desirable to have the adjustment forces in particular for Increase the end of the adjustment movement.
  • the invention is based on the idea to design the support means so that a change in the adjusting force during the adjustment is possible.
  • the invention provides that the adjusting member is a pivotable under the pulling action of a traction cable of a Bowden cable pivot lever which is formed and is in operative connection with the pull rope, that the length of the effective for adjusting the support member lever arm during an adjustment between an unobstructed Initial position and a maximum end position of the adjustment changed.
  • the basic principle according to the invention can be realized in an advantageous manner, for example, by virtue of the fact that the pivoting lever is designed to be pivotable with the cam body connected to the supporting part to be adjusted, which rolls on an abutment during the adjusting movement.
  • the length of the effective for adjusting the support member lever arm is defined by the distance of the pivot axis about which the pivot lever is pivotally connected to the support member to be adjusted, to the point where the cam rests on the support.
  • the support per se according to the invention can in principle again be designed as a cam body.
  • the support is designed as a substantially flat surface.
  • the support is formed on a connected to an outer frame of the support means tab.
  • the tab may be formed as an angle, one leg of which is connected to the outer frame, for example by screwing, and the other leg forms the support.
  • the basic principle of the invention can be embodied in an advantageous manner by the fact that the traction cable of the Bowden cable is guided around a cam body which is in pivot drive connection with the pivot lever.
  • the effective for adjusting the support member lever arm is defined by the cam body, which in turn can be shaped so that there is a desired course of the adjusting force and thus the Verstellcardmomentes during the adjustment.
  • the pivot drive connection between the cam and the pivot lever can be made, for example via a transmission.
  • the cam body is formed integrally with the pivot lever.
  • the pivot lever and the cam body may be formed, for example, by an injection molded part made of plastic.
  • Another advantageous embodiment of the invention provides that the cam body facing the end of the sheath of the Bowden cable is held on a holding part which is pivotally mounted about a pivot axis such that the sheath tracks changes in direction of the traction cable in the circumferential direction of the pivot axis. Changes during the adjustment due to the shape of the cam body, the direction of the pull rope, it is prevented due to the movable mounting of the holding member that the pull rope loads the casing in the radial direction and thereby damaged. Since the sheath tracks changes in direction of the pull rope, the sheath dodges as soon as the pull rope exerts a force acting in the radial direction on the sheath. In this way, damage to the jacket is reliably avoided.
  • a development of the aforementioned embodiment provides that the pivot axis of the holding member is parallel to the pivot axis of the pivot lever.
  • Fig. 1 is a perspective view of an embodiment of an electric motor adjustable support means for upholstering a sitting and / or lying furniture, in particular a mattress of a bed, shown, wherein the support means is formed in this embodiment as a slatted frame 2.
  • the support means is formed in this embodiment as a slatted frame 2.
  • resilient slats of the slatted base 2 for example, spring wood, not shown in the drawing.
  • the design and attachment of such resilient slats is well known to the skilled person and is therefore not explained in detail.
  • the slatted frame 2 has a base body 4, are arranged on the relatively adjustable support members.
  • an upper body support member 8 is connected with the upper body support member 8 facing away from the end of the central support member 6 pivotally about a horizontal pivot axis.
  • a leg support member 10 is pivotally connected to the central support member 6 opposite end pivotally and about a horizontal pivot axis pivotally a calf support member 12 is connected.
  • the main body of the slatted frame 4 has an outer frame 14.
  • the support members 6 to 12 are connected to the outer frame 14 via a mounting frame 16 to which a drive unit 18 and acted upon by the drive unit with an adjusting or acted upon adjusting members are arranged to act on a adjusting support member with an adjusting force in the mounting position of the mounting frame 16.
  • Der Mounting frame 16 is described below using the FIGS. 2 to 4 explained in more detail.
  • the drive unit 18 will be described below with reference to Figures 5 and 6 explained in more detail.
  • Adjusting the mounting frame 16 are formed in the illustrated embodiment by raising lever, which further below with reference to FIGS. 7 to 10 be explained in more detail.
  • Fig. 2 shows the outer frame 14 of the slatted base 2 with attached mounting frame 16, wherein the support members 6 to 12 in Fig. 2 have been omitted for clarity.
  • the outer frame 14 laterally spaced, in the longitudinal direction of the slatted base 2 extending longitudinal beams 20, 22, which are connected to each other in the region of their ends by transverse bars 24, 26.
  • the longitudinal direction of the slatted frame 2 that direction, along of which the slatted frame 2 has the greater extent.
  • the transverse direction of the slatted base 2 is defined as the direction along which the slatted frame 2 has the lesser extent.
  • the mounting frame 16 has longitudinal bars 28, 30, which are connected to one another in the region of their ends by means of transverse bars 32, 34.
  • the transverse bars 32, 34 are each formed by a profiled rail, which has the cross section of a horizontal C and are arranged or guided in the adjusting members of the mounting frame 16, as described below with reference to FIG Fig. 11 is explained in more detail.
  • the mounting frame 16 is configured width adjustable to adapt to slatted frames of different widths.
  • telescoping elements 36, 38 and 40, 42 are arranged on the longitudinal beams 28, 30 of the mounting frame 16 respectively in the direction of the other longitudinal beam 30, 28, which are formed in the illustrated embodiment as a pipe parts and in the right Angle to the longitudinal beams 28 and 30 extend.
  • the telescopic elements 36, 38 the ends of the cross member 32 are guided telescopically in the illustrated embodiment.
  • the telescoping elements 40, 42, the ends of the cross member 34 are guided telescopically.
  • the drive unit 18 is arranged on the cross member 32 and slidable in the direction of the cross member 32 and can be locked in the respective position.
  • Bowden cables 44, 44 'and 46, 46' are provided in the illustrated embodiment, each of which is associated with an adjusting member.
  • the interaction of the Bowden cables 44, 44 ', 46, 46' with the drive unit 18 and the adjusting members will be described below with reference to FIGS. 5 to 7 explained in more detail.
  • the width of the mounting frame 16 (see FIG. Fig. 3 ) corresponding to the width of the outer frame 14 (see FIG. Fig. 2 ) of the slatted frame 2.
  • the longitudinal beams 28, 30 of the mounting frame 16 are pulled apart so far that the distance between the outer surfaces of the longitudinal beams 28, 30 of the mounting frame of the clear width between the inner surfaces of the longitudinal beams 20, 22 of the outer frame 14 corresponds.
  • the mounting frame 16 can be attached to the outer frame 14, for example by screwing.
  • the support members 6 to 14 of the slatted frame 2 can be connected to the mounting frame 16.
  • Fig. 4 shows an example of a compound of the upper body support member 8 with the mounting frame 16.
  • the connection of the leg support member 10 together with its associated calf support member 12 is carried out in a corresponding manner and will therefore not be discussed here.
  • a storage device for pivotally mounting at least one pivotally adjustable support member formed, wherein the storage device in the illustrated embodiment laterally spaced bearing bushes, in which the upper body support member 8 is inserted with laterally spaced bearing journals.
  • Fig. 4 shows the thus mounted pivotally mounted on the mounting frame 16 upper body support member. 8
  • Fig. 5 shows the drive unit 18 in a perspective view, wherein the housing 48 of the drive unit 18 is shown open for the sake of illustration.
  • the drive unit 18 has two drive trains 50, 52, to each of which an electric motor 54 or 56 is assigned and whose output member is formed in each case by spindle nuts 58, 60.
  • the sheaths of the Bowden cables 44, 44 'and 46, 46' are fixed to the housing 48 of the drive unit 18, while the traction cables of the Bowden cables are fixed in pairs to the spindle nuts 58, 60.
  • the traction cables of the Bowden cables 44, 44 ' are fixed to the spindle nut 58, while the traction cables of the Bowden cables 46, 46' are fixed to the spindle nut 60.
  • the electric motors 54, 56 are independently controllable. Control means for controlling the electric motors 54, 56 are not shown in the drawing for reasons of clarity. The same applies to power supply means, which are also not shown for reasons of clarity.
  • Fig. 6 shows the drive unit 18 according to Fig. 5 , for reasons of clarity, the Bowden cables 44, 44 and 46, 46 'are omitted.
  • the powertrain 50 and its mode of operation will be explained in more detail below.
  • the drive train 52 is constructed accordingly and will therefore not be explained in detail.
  • the electric motor 54 of the drive train 50 has an output shaft 62 designed as a worm gear worm, which is in engagement with a worm wheel 64, which is non-rotatably connected to a threaded spindle 66 rotatably mounted in the housing 48.
  • the worm 62 and the worm wheel 64 are part of a gear assembly, which, as shown Fig. 6 it can be seen, even more gear elements has, but in the present context, no further interest and therefore not be explained in detail.
  • a provision in the unadjusted position of the slatted frame takes place when the electric motor 54, but under the weight of the support member, possibly additionally under the load of a person resting on the slatted frame.
  • Fig. 7A shows a set-up lever assembly 68 which has a first set-up lever 70 which forms the adjusting member of the arranged on the mounting frame 16 furniture drive and under the pulling action of the traction cable of a Bowden cable can be set up in the illustrated embodiment under the pulling action of Traction cables of the Bowden cable 44 '.
  • the first raising lever 70 is pivotable about a first pivot axis 72, wherein the first pivot axis 72 remote from the end of the first setting lever pivotally connected and about a second pivot axis 72 parallel to the second pivot axis 74 pivotally connected to a second setting lever 76, which is connected to the pull rope of the Bowden cable 44 'is operatively connected, such that the raising lever 70, 76 set up under the pulling action of the traction cable of the Bowden cable.
  • the traction cable of the in Fig. 7 Bowden cable not shown, fixed to the end of the second setting lever 76 facing away from the first setting lever 70.
  • the first set-up lever 70 is associated with a stop 78 which is formed on a stop member 80 which is non-displaceably connected to the longitudinal beam 30 of the mounting frame 16 (see. Fig. 11A ).
  • FIGS. 11A to 11E additionally show the mounting frame 16.
  • Figs. 7A to 7E and 11A to 11E Figures with the same letter designate the same kinematic phase.
  • the first set-up lever 70 runs on to a laterally, so in the axial direction of the first pivot axis 72 extending thickenings 82, 82 'on a lifting element 84 formed on the stop member 80.
  • the lifting guide 84 is formed in the illustrated embodiment in cross-section arcuate. However, it can also be designed as an inclined plane.
  • Fig. 7B illustrates how the second setting lever 76 remote from the end of the first raising lever 70 runs onto the lifting guide 84 and is thereby raised, resulting in the consequence under the pulling action of the Glasseilsbowdenzuges 44 'to a setting up the raising lever 70, 76.
  • Fig. 11B clarifies the resulting setting up the setting lever 70, 76th As from Fig. 7B and from Fig. 11B can be seen, the set-up lever assembly 68 performs during the second kinematic phase simultaneously both a translational movement and an erection.
  • Fig. 7C and Fig. 11C illustrate the end of the second kinematic phase, where the second Set-up lever 76 remote free end of the first setting lever 70 runs onto the stop 78 formed on the stop member 80, so that a further translational movement of the set-up lever assembly 68 is prevented.
  • the first raising lever 70 executes exclusively an erecting movement, in which it pivots about the first pivot axis 72.
  • FIGS. 7D and 11D represent the set-up lever assembly 68 in the third kinematic phase.
  • Fig. 7E and Fig. 11E show the raising lever assembly 68 at the end of the third kinematic phase in which the raising lever 70, 76 of the set-up lever assembly 68 are maximally positioned.
  • position of the raising lever assembly 68 corresponds to a maximum adjustment of the upper body support member 8 relative to the central support member. 6
  • Fig. 8 shows a perspective view of the stop member 80 taken by itself, the stopper 78 is particularly clearly visible.
  • Fig. 9 illustrates the emergence of the free end of the first raising lever 70 on the stop 78 at the end of the second kinematic phase.
  • Fig. 10 shows the first raising lever 70 during the third kinematic phase in which it executes exclusively a pivoting movement about the first pivot axis 72 and thereby abuts against the stop 78.
  • Fig. 12 illustrates the adjustment of the upper body support member 8 by means of the Verstellhebelanssen 68.
  • the deployment lever assembly 68 applied to a longitudinal beam 86 of the upper body support member 8 loose by the longitudinal beam 86th Loosely on the set-up lever assembly 68 rests.
  • the upper body support member 8 Spaced laterally to the longitudinal beam 86, the upper body support member 8 has a further longitudinal spar 88, which is associated with a corresponding raising lever arrangement, however, for reasons of clarity in Fig. 12 not shown.
  • the erecting lever arrangement associated with the longitudinal beam 88 interacts with the traction cable of the Bowden cable 44, the mode of operation being as described for the raising lever arrangement 68 and therefore not explained in detail here.
  • FIG. 12B and 12C clarify the further adjustment of the upper body support part.
  • FIG. 12D shows the end position of the adjusting movement, which corresponds to a maximum adjusted position of the upper body support member 8 relative to the central support member and the mounting frame 16.
  • the first raising lever 70 are assigned locking means which are effective in a predetermined Aufstelllage the first raising lever and lock the first set-up lever 70 against a translational movement, at the same time allow a raising movement of the first raising lever.
  • the locking means are effective when the first raising lever 70 at the stop 78 adjacent and pivotally reaches a predetermined Aufstelllage.
  • the locking means have a (see. Fig. 13 ) Bearing pin 90 which is formed on the first pivot axis 72 facing the end of the first deployment lever 70.
  • the bearing journal 90 is designed and arranged such that it is rotatably or pivotally mounted in the locking position in a bearing recess formed on the stop element 80 and is released in an unlocking position from the bearing recess.
  • the bearing pin 90 has a circular cross-section bearing portion 92 and a flattening 94.
  • the bearing portion 92 in the illustrated embodiment is approximately semicircular in cross section.
  • Out Fig. 13 is not apparent and therefore it is explained here that the first raising lever 70 has on its side facing away from the bearing pin 90 a corresponding journal.
  • Fig. 14 shows a perspective view of the stop member 80.
  • the stop member 80 has a groove 96 which opens at its end in a sectionally circular in cross-section bearing surface portion 98 whose diameter is greater than the inside diameter of the groove 96th
  • first raising lever 70 performs only an erection movement by being pivoted about the first pivot axis 72. Due to the formation of the bearing pin 90 and the bearing recess 98 of the bearing pin 92 locks in a further establishment of the first Austellhebels 70 on the bearing recess 98 such that it is secured against translational movement, at the same time a further raising movement of the first raising lever 70 is allowed.
  • the locking means By means of the locking means it is ensured that the raising lever arrangement 68 uniformly lowers in the event of a return from a maximally adjusted position in the direction of the unadjusted position.
  • the provision takes place in such a way that the first setting lever 70 pivots back in the direction of the unadjusted position. Due to the locking means, up to a certain set-up position of the first raising lever 70, only one rotary or pivoting movement is permitted. In a predetermined Aufstellage the lock lifts, so that the bearing pin 90 thereafter translationally in the groove 96 in the direction of the stop 78 moves away.
  • FIGS. 15 and 16 For the sake of illustration is in the FIGS. 15 and 16 an observer facing longitudinal beam of the outer frame 4 omitted.
  • a pivot joint 100 is connected, via which the upper body support member 8 is pivotally connected to the outer frame 14.
  • FIG. 15 illustrated embodiment is an adjusting member for adjusting the upper body support member 8 relative to the central support member 6 under the pulling action of a pull cable 110 (see. FIG. 17 ) of a Bowden cable pivotable pivot lever 102 which is formed and is in operative connection with the pull cable 110, that changes the length of the effective for adjusting the upper body support member 8 lever arm during an adjustment between an undistorted starting position and a maximum adjusted end position of the adjustment.
  • a pull cable 110 see. FIG. 17
  • a Bowden cable pivotable pivot lever 102 which is formed and is in operative connection with the pull cable 110, that changes the length of the effective for adjusting the upper body support member 8 lever arm during an adjustment between an undistorted starting position and a maximum adjusted end position of the adjustment.
  • this is Upper body support member 8 arranged substantially horizontally in the unadjusted starting position and spans with the central support member 6 and the leg support member 10 and the calf support member 12 a horizontal support plane for a mattress, not shown.
  • a maximum adjusted end position is in FIG. 16 shown. Accordingly presents FIG. 15 a lying between the starting position and the end position adjustment.
  • the pivot lever 102 is formed as pivotally connected to the support member to be adjusted, so the upper body support member 8, connected cam body, which is supported during the adjustment of a support.
  • the support is formed in this embodiment by an angular tab 104 whose vertical Schwenkel with the in FIG. 15 omitted longitudinal spar of the outer frame 14 of the slatted base 2 connected, for example screwed, is, and its horizontal leg forms the support for the pivot lever 102.
  • FIG. 17 shows the pivot lever 102 taken in a side view while FIG. 18 a perspective view from above and FIG. 19 shows a perspective view from below.
  • the pivot lever 102 at its end facing away from the pivot axis 103 a recess 106 into which a cylindrical mounting nipple at the free end of the traction cable 110 of the Bowden cable is positively inserted.
  • the recess 106 extends in the circumferential direction of the pivot lever 102 has a groove 108 which is about the pivot axis 103 facing away from the end of the pivot lever 102 around (see. FIG. 18 ) and from there in the circumferential direction of the pivot lever 102 (see. FIG. 19 ) in the direction of the pivot axis 103 facing End of the pivot lever 102 leads.
  • the resulting course of the traction cable of the Bowden cable is in FIG. 17 indicated at the reference numeral 110.
  • By an arrow 112 is in FIG. 17 symbolizes the direction of the pivot lever 102 about the pivot axis 103 in the drawing counterclockwise to seek seeking force.
  • pivot lever 102 is formed on its peripheral surface, with which it is supported on the support during the adjustment, as a cam, so that the length of the effective for adjusting the upper body support member 8 lever arm during an adjustment from the undistorted starting position in the changed maximum adjusted end position of the adjustment movement.
  • the drive unit 18 is driven such that is pulled in the direction of the arrow 112 on the pull cable 112, so that the pivot lever 102 is pivoted in the counterclockwise direction in the drawing.
  • the pivot lever 102 is supported on the support 104, wherein its curved in cross-section circumferential surface during the adjustment moves on the support.
  • the upper body support member 8 from the in FIG. 15 pivoted adjusting position pivoted until in FIG. 16 shown end position of the adjustment is reached.
  • FIG. 20 shows a detail in the region of the pivot lever 102 and the support 104 in the end position of the adjustment movement.
  • each side member of a support member to be adjusted associated with an adjustment, wherein the support member associated adjusting members are each connected to a traction cable of a Bowden cable and these traction cables are operated synchronously, so that the driving force of the drive unit to the longitudinal center plane of the slatted base 2 symmetrical is introduced into the support parts.
  • the adjustment of the leg support part 10 with the calf support part 12 is based on the same functional principle as the adjustment of the upper body support part 8.
  • FIG. 22 to 28 Based on FIG. 22 to 28 a further embodiment of a support device according to the invention is shown below.
  • the further embodiment is for support a so-called box spring mattress provided, wherein the support members 6, 8, 10, 12 are plate-shaped.
  • FIG. 22 shows the upper body support member 8 in an undistorted starting position while FIG. 24 the maximum adjusted end position and FIG. 23 shows an intermediate adjustment position.
  • FIG. 22 to 24 For reasons of clarity, the outer frame 14 of the support device has been omitted in each case.
  • the further embodiment provides insofar a kinematic reversal of the basis of the FIG. 15 to 21 described embodiment, when the pivot lever 102 is pivotally connected to the outer frame 14 about a pivotally mounted on a longitudinal spar of the outer frame 14 pivot bearing about the pivot axis 103.
  • the pivot axis 103 facing away from the end of the pivot axis 102 forms a support for the upper body support member 8, which is applied in the illustrated Au Equipment Unitsbeispiel by the pivot lever 102 loose and is supported on a fixed to the free end of the pivot lever 102 roller 116.
  • FIG. 25 shows the pivot lever 102 in a position in which it is in the end position of the adjustment movement (see. FIG. 24 ), in combination with a holding part 118, which holds a rocker arm 102 facing the end of a sheath of a Bowden cable, the traction cable is used to pivot the pivot lever 102 and is fixed to the same.
  • the rope of the Bowden cable is in FIG. 27 at the reference numeral 110. Incidentally, however, the Bowden cable including traction cable and sheathing is omitted in the drawing for reasons of clarity.
  • FIG. 28 shows the pivot lever 102 in a perspective view.
  • the pivot lever 102 is formed integrally with a cam 120.
  • the free end of the traction cable 110 is fixed tensile strength on the holding part 118 facing away from the end 122 and guided from there via the cam body to the holding part 118 (see. FIG. 27 ).
  • the cam 120 is shaped so that the length of the effective for adjusting the upper body support member 8 lever arm during an adjustment between the unadjusted initial position (see. FIG. 22 ) and the maximum adjusted end position (cf. FIG. 24 ) extended.
  • the holding member 118 is pivotally mounted about a pivot axis parallel to the axis 103 pivot axis 124. It has a jaw-like receptacle 126, on which the sheath of the Bowden cable is fixed, wherein the traction cable of the Bowden cable through a recess 128 which is formed on the pivot axis 124 opposite end of the holding member 118, of the receptacle 126 (see. FIG. 25 ) and from there to the cam 120 is guided (see. FIG. 27 ).
  • FIG. 26 shows the holding member 118 taken alone.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Blinds (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP15002100.4A 2014-07-18 2015-07-15 Elektromotorisch verstellbare stützeinrichtung Withdrawn EP2974623A1 (de)

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EP3491973A1 (de) * 2015-05-04 2019-06-05 de Werth Group AG Elektromotorisch verstellbare stützeinrichtung

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DE102014115126A1 (de) * 2014-07-18 2016-01-21 Deon Group AG Elektromotorisch verstellbare Stützeinrichtung
DE102014115033A1 (de) 2014-07-18 2016-01-21 Deon Group AG Elektromotorisch verstellbare Stützeinrichtung
DE102014115125A1 (de) * 2014-10-17 2016-05-19 Deon Group AG Elektromotorische Verstellvorrichtung
CA2999225A1 (en) * 2015-09-24 2017-03-30 Umano Medical Inc. Hospital bed with adjustable width
DE102017114121A1 (de) 2016-12-15 2018-06-21 De Werth Group Ag Elektromotorisch verstellbare Matratze
DE102017114127A1 (de) 2017-05-15 2018-11-15 De Werth Group Ag Elektromotorisch verstellbare Matratze
DE102017126092A1 (de) 2017-09-27 2019-03-28 De Werth Group Ag Stützeinrichtung
CA3079581A1 (en) * 2019-04-30 2020-10-30 Herardony St-Fleur Foldable multifunction chair
EP3954254A1 (de) * 2020-08-12 2022-02-16 de Werth Group AG Elektromotorisch verstellbare stützeinrichtung
US11571073B2 (en) 2020-08-12 2023-02-07 De Werth Group Ag Electric motor adjustable support device
BE1029364B1 (nl) * 2021-05-03 2022-12-05 Global Technical Equipment Oprichtsysteem en verstelbare bedinrichting
CN113229663B (zh) * 2021-05-25 2022-02-15 安吉德卡办公系统有限公司 一种椅背调节机构
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床

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DE3409223C2 (zh) 1984-03-14 1987-07-30 Rolf Dr. 7100 Heilbronn De Maercklin
DE3842078A1 (de) 1988-01-14 1989-07-27 Niko Antriebstechnik Antrieb fuer lattenroste (ii)
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GB2334435A (en) 1997-10-23 1999-08-25 Joe Lin Adjustable supporting furniture
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DE10017979C2 (de) 1999-12-23 2002-04-18 Cimosys Ag Goldingen Als Doppelantrieb ausgebildeter Möbelantrieb
DE10046751A1 (de) 1999-12-23 2001-07-05 Cimosys Ag Goldingen Motorisch verstellbare Stützeinrichtung für eine Polsterung eines Sitz- und/oder Liegemöbels
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EP1239755B1 (de) 1999-12-23 2005-08-31 Cimosys AG Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels, beispielsweise einer matratze oder eines bettes
US6961971B2 (en) 1999-12-23 2005-11-08 Cimosys Ag Motor adjustable support device for the upholstery of a seat and/or reclining furniture
DE10017989B4 (de) 2000-04-11 2004-02-19 Drs Digitale Repro-Systeme Gmbh Verfahren und Vorrichtung zum automatischen Einzug von auf einem Sichtgerät anzuzeigenden und/oder in einem Digitalisierungsgerät abzulichtenden Dokumentenvorlagen
EP1294255B1 (de) 2000-06-29 2006-12-06 Linak A/S Möbelantrieb zum verstellen von teilen eines möbels relativ zueinander
EP1633219B1 (de) 2003-06-05 2006-11-22 Cimosys AG Motorisch verstellbare stützeinrichtung für eine polsterung eines sitz- und/oder liegemöbels, insbesondere eine matratze eines bettes
WO2007118667A1 (en) * 2006-04-13 2007-10-25 OKIN Gesellschaft für Antriebstechnik mbH Lift bed with adjusting traction mechanism
WO2008113401A1 (de) 2007-03-21 2008-09-25 Linrot Holding Ag Elektromotorischer möbelantrieb
DE102008028586A1 (de) 2008-06-18 2009-12-24 Motis Gmbh Elektromotorisch verstellbare Stützeinrichtung
EP2878230A1 (de) * 2013-08-09 2015-06-03 Deon Group AG Aufstellhebelmechanik mit Bowdenzug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3491973A1 (de) * 2015-05-04 2019-06-05 de Werth Group AG Elektromotorisch verstellbare stützeinrichtung

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US9877589B2 (en) 2018-01-30
DE102014115033A1 (de) 2016-01-21
CN105266459A (zh) 2016-01-27
US20160037937A1 (en) 2016-02-11
CN105266459B (zh) 2019-05-14

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