EP2369958A1 - Double drive for furniture - Google Patents
Double drive for furnitureInfo
- Publication number
- EP2369958A1 EP2369958A1 EP09756485A EP09756485A EP2369958A1 EP 2369958 A1 EP2369958 A1 EP 2369958A1 EP 09756485 A EP09756485 A EP 09756485A EP 09756485 A EP09756485 A EP 09756485A EP 2369958 A1 EP2369958 A1 EP 2369958A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- functional unit
- lever
- double drive
- adjusting
- 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.)
- Granted
Links
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
Definitions
- the invention relates to a double drive for furniture for adjusting two spatially separate functional units of a piece of furniture, with a housing, with a drive motor which is coupled to a Drehbaumreduziergetriebe whose rotationally driven output member is operatively connected to an actuating element, and that in traversability the adjusting element in the direction of the first functional unit of the furniture after reaching a certain travel, the second functional unit of the furniture is adjustable.
- a double drive of the type in question is used in a preferred embodiment for adjusting the backrest and the foot part of a slatted frame.
- the double drives used so far are equipped with two drive motors, which can be actuated independently of one another via a corresponding control unit.
- Each drive acts on the Drehierereduziergetriebe on a spindle drive, which cooperates with the adjusting lever of the respective functional unit.
- Double drive is arranged below a slatted frame and within a bed frame, the operability of these known double drives is very easy to operate. randition. Further restrictions, for example in the form of a wireless operation are not possible. In addition, this known solution has a plurality of components, so that this known solution causes high manufacturing costs and increased assembly costs.
- Method of the adjusting element is adjusted in the direction of the first functional unit, but that both functional units, in a slatted frame, the backrest and the foot part are at least partially individually adjustable.
- the object is achieved by the coupled with the output member of the Drehierereduziergetriebes actuator is movable in its longitudinal direction, secured against rotation spindle with an external thread that the spindle is movable in either direction to the first functional unit or towards the second functional unit that the End face of the spindle when moving in the direction of the first functional unit acts directly or indirectly on an adjusting lever of the first functional unit, and that between the second functional unit facing front end region of the thrust spindle and the adjusting lever of the second functional unit, a pushing device is arranged.
- the pushing device acts in such a way that either the adjusting lever of the second functional unit is pivoted immediately or else with a time delay.
- the spindle which can be moved in this direction acts on the pushing device, so that the pressure forces are transmitted to the adjusting lever of the second functional unit.
- the spindle moves in the direction of the adjusting lever of the second functional unit.
- a reversible DC motor operates the input member of a speed reducer, which is formed, for example, as a worm or a gear, wherein a portion of the motor shaft itself may also be formed as a worm or as a gear.
- the output member of the Drehierereduziergetriebe is designed as a gear, but preferably as a worm wheel and is in operative connection with a nut thread, wherein the threads of the nut thread are in engagement with the threads of the external thread of the spindle.
- the threads of the nut thread are preferably formed on or in the driven member of the Drehierereduziergetriebes or formed therein.
- the bearing itself can form a one-piece molded part with the housing parts of the double drive.
- a transmission housing is provided which receives the gears.
- the transmission housing may be designed in several parts and is inserted positively in the housing of the double drive.
- sound and vibration damping means are provided, which are at least partially or selectively attached or formed, for example, on or around the engine and / or the transmission.
- thrust device is designed in the manner of a slotted guide.
- This slide guide is designed to - A -
- This thrust device or the slotted guide has two sliding blocks, which are positively coupled together via at least one pivotally mounted control lever. If the spindle is moved in the direction of the first functional unit, the two sliding blocks are moved in opposite directions, so that the sliding block facing away from the spindle presses on the adjusting lever. In the basic position of the spindle, that is, when the two functional units are lowered, the two sliding blocks can be in contact with each other. The guides in the sliding blocks can then be designed so that only after a certain travel of the spindle in the direction of the first functional unit of the adjusting lever of the second functional unit is pivoted.
- the sliding blocks can also be in the normal position at a certain distance from each other.
- the distance of the mutually facing surfaces of the sliding blocks increases by a pivoting movement of the control lever and at a certain distance of the facing surfaces of the sliding blocks of the control lever of the second functional unit is pivoted.
- the sliding block facing the drive motor and the Drehierereduziergetriebe is fixedly connected to the spindle, and that the control lever is pivotable about an axis transverse to the spindle axis.
- this axis is considered to be stationary.
- the control lever or the control levers are arranged in the sliding blocks or laterally next to the sliding blocks, and that each control lever is provided in the areas facing away from the pivot axis with a guide pin, and that each guide pin in Steering grooves of the sliding blocks engages.
- the guide pins may also be formed as a kind of continuous guide axis. The distances of the guide pin to the pivot axis of the control lever or the control lever are equal or approximately equal.
- the distances of the guide pin to the pivot axis of the control lever or the control lever are equal or approximately equal.
- each control groove in the sliding blocks has a spindle or curved portion projecting to the spindle, the th between these Abschnit- and the central longitudinal axis of the spindle enclosed Angles are obtuse angles.
- cam groove of the sliding block coupled to the spindle is S-shaped in such a way that the regions adjoining the inclined section are parallel and spaced apart from one another and parallel to the central longitudinal axis of the spindle.
- the thrust device or the sliding guide is designed so that in the basic position of the spindle, i. with lowered functional units, the guide pins of each control lever at the opposite areas of the
- Guide grooves of the sliding blocks are, and that in the end position of the movable in the direction of the first functional unit spindle, the positions of the guide pins are reversed. Furthermore, the arrangement is advantageously made such that the control pin engaging in the control groove of the sliding link coupled to the spindle forms the drive member of the control lever.
- the transverse to the spindle pivot axis of the control lever is formed by a journal. It may also be advantageous if the journal of the control lever or the control lever is slidably disposed in a guide of the housing in the direction of movement of the spindle. This guide of the housing is designed in the manner of a long hole.
- the time delay of the adjustment of the adjusting lever of the second functional unit could also be achieved in that, in the case of a predetermined adjustment of the first functional unit, the axle journal rests in an end region of the guide. Previously, he was moved to this position.
- the guide blocks described in more detail have control grooves, which are in operative connection with guide pins or which are formed with a guide pin formed as a guide axis.
- the sliding blocks are designed as a kind of open sliding blocks, wherein the guide pins or the guide axes are at least partially in operative connection with inclined planes and / or curved, inclined or curved guideways.
- the inclined planes or the curved guideways are at least partially attached or formed on a front end region of the respective sliding block.
- these are preferably formed as sliding surfaces, but according to another embodiment may also be formed at least in sections as a rolling guide.
- the course and the contour of the guideways are designed differently.
- both uniform movements and according to other further embodiments non-uniform movements of the sliding block can be generated, which is in operative connection with the adjusting lever of the second functional unit.
- the respective front end region of the spindle is directly or indirectly in operative connection with the adjusting lever of the respective functional unit. Furthermore, the said operative connection takes place in the manner of a loose application that the furniture components, which are connected to the respective adjusting lever, are adjusted by the operation of the electric motor against gravity, with a provision of the furniture components by gravity itself.
- a mechanical decoupling device is further provided which, for example, in the form of a clutch or a disengageable pawl with a component of the drive train, for example, with a gear of the Drehierereduziergetriebes, with the spindle, with the control lever, with an adjusting lever or with a furniture component in such conjunction, so that at least in case of power failure, the adjustable furniture component manually , For example, in the direction of gravity, can be adjusted.
- Figures 1 to 3 a double drive for furniture in a first embodiment in different positions of the lever
- Figures 4 to 6 a double drive for furniture in a second embodiment in different positions of the lever
- Figures 7 to 9 a double drive for furniture in a third embodiment in different positions of the lever
- FIGS. 7 to 9 shows a double drive for furniture in a variant of the embodiment according to FIGS. 7 to 9 in the basic position of the adjusting lever
- Figures 11 to 12 a double drive for furniture in a fourth embodiment in different positions of the lever
- Figure 13 shows a double drive for furniture in a fifth embodiment in the basic position of the lever and Figures 14 to 15 a double drive for furniture in a sixth embodiment in different positions of the lever.
- the embodiments of double drives 10 shown in FIGS. 1 to 15 each have a housing 11 which is designed in accordance with the different drive elements.
- the housings 11 are provided with reinforcing ribs and the like according to the loads.
- the double drives 10 are on two parallel and spaced apart shafts 12, 13 suspended.
- the shafts 12, 13 are parts of not shown functional units of a piece of furniture.
- the double drives 10 for adjusting the backrest of a slatted frame, which preferably forms the first functional unit and used for the position of a foot part, which preferably forms the second functional unit.
- the shaft 12 of the first functional unit and the shaft 13 of the second functional unit is assigned. They consist of tubes that are rotatable, displaceable or pivotally mounted in the furniture.
- each closer 14, 15 is provided with two webs 18, 19 lying on both sides of the shafts 12, 13. To lock the double drive 10, the closer 14, 15 are pushed in the direction of the central longitudinal axes on the recesses.
- the walls of the housing 11 may also be designed so that the closer 14, 15 transverse to the central longitudinal axes of the shafts 12, 13 are attached to the housing 11.
- each double drive 10 is equipped with a generally known drive motor 22, which is a direct-current reversible DC motor and is operated with a safety direct voltage.
- both adjusting levers 20, 21 are adjusted by a single drive motor 22 via a Drehierereduziergetriebe 23 and explained in more detail drive units.
- the drive motor 22 is in the standard versions flanged to an outer wall of the housing 11, but may also be mounted within the housing 11.
- the Drehierereduziergetriebe 23 is preferably a worm drive, wherein the worm wheel forms the output member of the Drehierereduziergetriebes 23.
- the DC motor formed drive motor 22 forms with the housing of the Drehierereduziergetriebes 23 a compact unit, bearings in the form of rolling and / or plain bearings support the output member of the Drehierereduziergetriebes 23.
- the housing of drive motor 22 and gear can form a compact unit, so that a compact drive gear motor is formed, but it can also be a drive motor 22 attached to a transmission housing.
- the output member of the Drehierereduziergetriebes 23 is rotatably connected to a spindle 24, but is secured against displacement in the longitudinal direction.
- fastening means are provided, which are positively connected to the spindle 24 and the output member of the Drehierereduziergetriebes 23 in operative connection.
- at least two shell-like fastening means are provided, which are circumferentially the spindle 24 inserted or attached in a recess and in the locked state on the outside at least two heel-shaped gradations, so that a bearing is placed on each stage.
- the gradation in the area between the bearings is provided with an outer toothing, in which a gear O- engages a gear shaft or on which the output member of the Drehierereduziergetriebes 23 is placed.
- the spindle 24 extends on both sides of the Drehierereduziergetriebes 23.
- the adjusting lever 21 facing portion is provided with a groove 25, on both sides of this groove-like transition 25, the spindle 24 has different threaded portions.
- these different threaded sections have different diameters and / or different pitches and / or different materials, so that one of the threaded sections at least peripherally placed on the core of a continuous spindle 24, molded circumferentially by injection molding, machined or frontally positive fit or cohesively applied can be.
- the area facing the adjusting lever 20 of the first functional unit is provided with a right-hand thread and the region of the adjusting lever 21 of the second functional unit facing region with a left-hand thread.
- the pitches of the threads of these two areas may be the same or different, wherein preferably the area facing the adjusting lever 21 of the second functional unit is provided with threads with respect to the adjacent area of lesser pitch.
- a two-part spindle nut is placed on the region of the spindle 24, which lies between the speed reduction gear 23 and the adjusting lever 20 of the first functional unit, which consists of a pressure slide 26 facing the adjusting lever 20 and a spindle nut 27 , both of which are secured against rotation.
- a further guide nut 28 is placed on the lying between the groove 25 and the Drehierereduziergetriebe 23 section, which is secured against rotation.
- a further adjusting nut 29 is placed on the lying between the groove 25 and the adjusting lever 21 of the second functional unit section.
- a sliding part 30 is mounted rotationally fixed.
- the surfaces facing the adjusting levers 20, 21 contact the adjusting levers 20, 21.
- the basic position is the position in which the connected functional units are lowered. From the adjusting nut 29 and the sliding part 30, a sliding unit is formed, which is functionally explained in more detail.
- the sliding unit consists at least of a sliding part 30 and of a sliding sleeve 31, which are composed of two, but preferably of a molded part. Since depending on the state of motion, both the guide nut 28 or the adjusting nut 29 are in operative connection with the sliding part 30 and / or with the sliding sleeve 31, and the sliding unit from the sliding part 30, the sliding sleeve 31 and the guide nut 28 or from the sliding part 30, the sliding sleeve 31 and the adjusting nut 29 may be formed.
- the adjusting nut 29 is at a distance from the sliding part 30, wherein the facing surfaces of the guide nut 28 and the
- FIG. 2 shows the end positions of the two adjusting levers 12 and 13. The adjustment of the first functional unit is completed, while the adjustment of the second functional unit takes place by a predetermined distance.
- This figure clearly shows that the pivoting angle of the shaft 12 of the first functional unit is significantly greater than that of the shaft 13 of the second functional unit. The pivoting angle depends on the distance between the adjusting nut 29 and the sliding part 30 in the basic position and, moreover, it is also dependent on the pitch of the threads of the adjusting nut 29 associated region.
- FIG. 2 further shows that the guide nut 28 is located at the area adjacent to the speed reduction gear 23.
- the sliding unit is still provided with a sliding sleeve 31, in which the adjusting nut 29 is guided.
- the sliding sleeve 31 makes contact with the guide nut 28.
- both adjusting levers 20, 21 are to be adjusted, the adjusting nut 29 takes the sliding sleeve 31 with it.
- the surfaces contacting each other are stepped down.
- the spindle 24 is secured against rotation.
- the output member of the Drehierereduziergetriebes 23 it is moved depending on the direction of rotation of this output member either in the direction of the adjusting lever 20 of the first functional unit or in the direction of the adjusting lever 21 of the second functional unit.
- the output member of the speed reduction gear 23 has a centrally arranged internally threaded bore, wherein the threads of the internally threaded bore are in engagement with the external threads of the spindle 24.
- the threads of the two sides of the Drehierereduziergetriebes 23 sections may be opposite directions, but they may also be the same according to the illustrated embodiment.
- a pressure piece 32 is placed on the end region of the spindle 24 for adjusting the lever 20 of the first functional unit.
- a hollow spindle 33 is placed, the inner threads of the corresponding threads of the spindle 24
- the hollow spindle 33 is also provided with an external thread whose threads are opposite to those of the spindle 24.
- the hollow spindle 33 is rotatable, but not displaceable in the longitudinal direction of the spindle 24. In the illustrated embodiment, it is rotationally fixed with one end coupled to the output member of the Drehierereduziergetriebes 23.
- a spindle nut 34 is placed, which is secured against rotation and whose threads correspond to the external threads of the hollow spindle 33.
- a sliding piece 35 is still used, which contacts the adjusting lever 21.
- the drive motor 22 is driven in the direction corresponding to the threads in such a way that the spindle shifts in the direction of the adjusting lever 20.
- the hollow spindle 33 is set in rotation and by the corresponding design of the threads, the spindle nut 34 moves in the direction of the adjusting lever 21.
- the adjusting lever 21 is not pivoted. In a certain position of the spindle 24, however, there is an adjustment of the adjusting lever 21.
- the figure 5 shows the two end positions of
- the double drive is in turn equipped with a drive motor 22 and a speed reduction gear 23.
- the output member of the Drehierereduziergetriebes is operatively connected to a spindle 24 which is secured against rotation and is movable in opposite directions.
- the output member of the Drehierereduziergetriebes 23 a centrally located internally threaded bore, wherein the threads of the internally threaded bore with the external threads of the spindle 24 are engaged.
- the spindle is supported not only directly in bearings of the Drehierereduziergetriebes 23, but also indirectly in the area between the adjusting lever 21 of the second functional unit and the Drehierereduziergetriebe 23. This bearing is indicated by the reference numeral 36.
- the pitches of the threads of the spindle 24 are in the same direction over the entire length and also their slope is the same.
- this has two spindle sections 24a and 24b, which are fixedly coupled to each other at the front.
- the external threads of the spindle portion 24a with the internal threads of the internally threaded bore of the output member of the Drehierereduziergetriebes 23 in conjunction, while the threads of the spindle portion 24b is formed as a non-self-locking coarse thread and is in operative connection with the internal threads of the threaded sleeve 37.
- the bearing 36 is fixedly connected to the threaded sleeve 37, wherein the bearing 36 is inserted directly or indirectly into the housing 11.
- the bearing 36 is preferably designed as a rolling bearing and has a one or more parts enclosing holding and support means, wherein the holding and supporting means is inserted into the housing 11.
- a threaded sleeve 37 is placed on the spindle 24, which is provided with an internal and external thread.
- the slopes of the threads of the external thread of the threaded sleeve 37 are in opposite directions to those of the internal thread, wherein the slopes may be the same or different.
- a spindle nut 38 is placed on the threaded sleeve 37.
- the spindle nut 38 is in operative connection with a sliding piece 35 which acts on the adjusting lever 21.
- the spindle nut 38 is secured against rotation.
- a pressure piece 32 is also placed in this embodiment.
- FIG. 7 shows the basic position of the spindle 24. Is the direction of rotation corresponding to the pitches of the threads for the drive motor 22 selected, this can move according to the figure 8 in the direction of the lever 20 of the first functional unit.
- the threaded sleeve 37 is set in rotation, so that the spindle nut 38 shifts in the direction of the adjusting lever 21. Since there is a distance between the sliding piece 35 and the spindle nut 38 in the basic position, the spindle nut 38 contacts the sliding piece 35 in a specific position of the spindle 24.
- the adjusting levers 20, 21 are in the end positions according to FIG method.
- the embodiment according to FIG. 10 is a variant of the embodiment according to FIGS. 7 to 9.
- the threaded sleeve 37, the bearing 38 and possibly also the sliding piece 35 form a sliding unit.
- the threaded sleeve 37 is located between the bearing 36 and the Drehbaumreduziergetriebe.
- the threaded sleeve is again provided with an internal and external thread and it stands with a
- Lug nut 39 engaged.
- the external threads of the threaded sleeve 37 are in this embodiment in opposite directions to those of the spindle portion 24b and to the internal threads.
- the guide nut 39 is stationary, i. neither rotatable nor displaceable.
- the threaded spindle 24 can be moved in the direction of the adjusting lever 20 of the first functional unit, wherein the threaded sleeve 37 is set in rotation and moves in the direction of the adjusting lever 21 of the second Functional device moves. Since the sliding piece 35 is in two parts and in the basic position according to FIG. 10 between the sliding piece parts 35a and 35b a distance is arranged, the adjustment lever 21 is moved only after a certain travel of the pressure piece 32 of the first functional unit.
- the drive motor is driven in the opposite direction, so that the threaded sleeve 37 and the first part of the sliding piece 35a move in the direction of the speed reduction gear.
- the second element of the sliding piece 35b is entrained by the spindle 24, so that only the adjusting lever 21 is adjusted.
- the actuating element is in turn a spindle 24 which acts as a spindle which is movable in its longitudinal direction and secured against rotation.
- the output member of the Drehierereduzierge- drive 23 has a centrally arranged internally threaded bore, wherein the threads of the internally threaded bore with the external threads of the spindle 24 are engaged.
- a pressure piece 32 is placed on the first functional unit facing the end of the spindle 24, in turn.
- a lever mechanism is arranged between the second functional unit associated adjusting lever 21 and the facing end of the spindle 24, a lever mechanism is arranged.
- this kinematic lever mechanism consists of two by a pin 40 articulated levers 41, 42nd
- a guide pin is formed, which is guided in a guide 43 longitudinally displaceable.
- the two levers 41, 42 of the lever mechanism In the basic position, not shown, as well as according to the illustration of Figure 12 are the two levers 41, 42 of the lever mechanism in an approximately upright position to each other.
- the integrally formed on the lever 42 guide pin and the guide 43 are in a loose, but guided connection to each other, since the molded guide pin and the
- Adjusting lever 21 of the second functional unit facing away arranged semi-circular end stop of the guide 43 are at a distance from each other. If the spindle 24 now moves in the direction of the adjusting lever 20 of the first functional unit, then the distance is reduced in such a way that the guide, which is formed on the lever 42, is reduced. Rangszapfen rests against the semicircular end stop of the guide 43 and pivots in a further adjustment of the spindle 24, the lever 42 about the central longitudinal axis of the guide pin.
- An eccentric cam or a cam disc which acts on the sliding element 44 when the lever 42 swivels, acts on the adjusting lever 21 as a result of this, acting on the end region of the lever 42 lying opposite the journal 40.
- FIG. 12 shows the adjustment exclusively of the adjusting lever 21.
- levers 41, 42 are again in an approximately upright position, wherein the guide pin of the lever 42 is located in the end region which faces the adjusting lever 21.
- the drive member of the lever mechanism formed from the levers 41, 42 is formed.
- a cable which has at least one flexible traction means 45, which may be a cable or a belt.
- the output member of the Drehierereduzierge- drive 23 has a centrally arranged internally threaded bore, wherein the threads of the internally threaded bore with the external threads of the spindle 24 are engaged.
- This flexible traction means is connected at one end to the end region of the spindle 24, is then guided over a deflecting roller 46 mounted in the housing 11, which is located behind this adjusting lever 21 in the direction of the movement direction of the spindle 24 in the direction of the adjusting lever 21. The other end is fixed to the sliding member 44.
- the deflecting roller 46 is rotated counterclockwise as shown and the sliding element 44 is pivoted in the direction of the adjusting lever 21, so that this also is turned. However, if only the adjusting lever to be pivoted, this movement is transmitted to the adjusting lever 21 via the lever member 44 by changing the direction of rotation of the drive motor 22 and the direction of movement of the spindle 24.
- the traction means 45 is formed such that it sags something or is provided with such an excessive length, that it is initially practically ineffective and still can not transmit forces. Now moves the spindle in the direction of the adjusting lever 20 of the first functional unit by a predetermined distance, so stretches the
- Traction means such that the adjusting lever 21 of the second functional unit is additionally pivoted with.
- a slotted guide is provided between the adjusting lever 21 and the facing end of the spindle 24.
- This consists in the illustrated embodiment, essentially of a control lever 47 which is provided with a bearing journal which is displaceable in a guide 43 or is mounted stationary.
- This slide guide which can be seen as a thrust device, contains two sliding blocks 48, 49 with control grooves 50, 51, in which pins 52, 53 of the control lever 47 arranged at the end are guided.
- the guide 43 is formed as a slot-shaped pocket and inserted into the wall of the housing 11 or formed thereon.
- the journals of the control lever 47 are slidably inserted into the guide 43. In the basic position according to Figure 14 are journal and the guide 43 in a loose, but guided
- the bearing pin and the adjusting lever 21 of the second functional unit facing away arranged semi-circular end stop of the guide 43 are at a distance from each other. Now moves the spindle 24 in the direction of the adjusting lever 20 of the first functional unit, the distance decreases so that the bearing pin of the control lever 47 abuts against the semi-circular end stop of the guide 43 and in a further adjustment of the spindle 24 of the control lever 47 about the central longitudinal axis of the guide pin is pivotable.
- the sliding block 48 facing the speed reduction gear 23 is provided with a control groove 50 to be regarded as an S-shaped.
- This control groove 50 is provided at the end with parallel and spaced from the spindle 24 groove portions, wherein the central region is inclined to the spindle 24, wherein the included angle is an obtuse angle.
- the cam groove 51 of the adjusting lever 21 facing lying sliding block 49 is inclined to the spindle 24, wherein this included angle is an obtuse angle.
- This control groove 51 extends in a straight line, and has in at least one end region on a portion 51 b, which is at right angles to the spindle 24 or at right angles to the imaginary line between the pin 53 and the central longitudinal axis of the journal of the control lever 47.
- the basic position of the spindle and the control lever 43 is shown in FIG.
- the pin 52 is in the lower, rectilinear region of the cam groove 50 approximately at the level of the spindle 24.
- the opposite pin 53 is in the upper region of the control groove 51, ie the distance to the spindle 24 is greater than that of the pin 52.
- the central longitudinal axis of the journal of the control lever 47 is not in the plane of the central longitudinal axis of the spindle 24.
- the geometries of the sliding blocks 48, 49 designed such that the central longitudinal axis of the journal of the control lever 47 in the plane of the central longitudinal axis of the spindle 24 is arranged.
- a comparison of Figures 14 and 15 shows that in the process of the spindle 24 in the direction of the adjusting lever 20 of the first functional unit of fixedly arranged on the spindle 24 sliding block 48 is taken and by the control groove 50, the lever is pivoted in the clockwise direction, wherein the control lever 21 is pivoted with a time delay, since initially the position is not pivoted due to the rectilinear end portion of the cam groove 50.
- the shapes of the control grooves 50, 51 are adapted to the sequence of movements coordinated with the respective course of motion of the control lever 47.
- the sliding blocks 49, 49 are indirectly in operative connection directly or indirectly via the control lever 47 or via further components, so that when adjusting the spindle 24 in the direction of the adjusting lever 21 of the second functional unit, the second functional unit is immediately adjusted immediately, so that the adjusting lever 21 swings. If, from the basic position, the spindle 24 is understood in the direction of the adjusting lever 20 of the first functional unit, the adjusting lever 20 of the first functional unit is then immediately adjusted immediately thereafter.
- the time-shifted actuation of the second adjusting lever 21 of the second functional unit by the sliding block 49 or a component interacting with the sliding block 49 and not shown in more detail is effected by the contour of the control grooves 50, 51.
- Each control groove has differently formed sections 50, 51, 50a, 50b, 50c, 51a, 51b.
- individual sections 50a, 50c are arranged at a distance from each other and are parallel or approximately parallel to the central longitudinal axis of the spindle 24, while other sections 50b, 51a are rectilinear, arcuate or wavy and are at an angle to the central longitudinal axis of the spindle and the sections Connect 50a and 50b together.
- Other portions 51 b of the control grooves 50, 51 are also formed rectilinear or arcuate, standing at a right angle or at approximately right angles to the central longitudinal axis of the spindle or the imaginary line between the pin 53 and the central longitudinal axis of the journal of the control lever 47th
- the sliding block 51 are generated, so that it in a further embodiment also time-delayed completes its movement, while the spindle 24 continues to move in the direction of the adjustment 20.
- the double drives is equipped with a single drive motor, and that when adjusting the adjusting lever 20 of the first functional unit, preferably the backrest of a slatted base of the adjusting lever 21 of the second Function unit, preferably a foot part of a slatted frame is pivoted time-delayed. Furthermore, it is essential that only the control lever 21 of the second functional unit can be adjusted without causing a movement of the adjusting lever 20 of the first functional unit.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200820016049 DE202008016049U1 (en) | 2008-12-03 | 2008-12-03 | Double drive for furniture |
PCT/EP2009/065457 WO2010063586A1 (en) | 2008-12-03 | 2009-11-19 | Double drive for furniture |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2369958A1 true EP2369958A1 (en) | 2011-10-05 |
EP2369958B1 EP2369958B1 (en) | 2013-01-02 |
Family
ID=41785716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09756485A Not-in-force EP2369958B1 (en) | 2008-12-03 | 2009-11-19 | Double drive for furniture |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2369958B1 (en) |
DE (1) | DE202008016049U1 (en) |
DK (1) | DK2369958T3 (en) |
ES (1) | ES2402393T3 (en) |
WO (1) | WO2010063586A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104613151A (en) * | 2015-02-27 | 2015-05-13 | 四川昱峰医疗器械有限公司 | Bidirectional screw rod device and care sickbed lifting device |
DE202015101318U1 (en) * | 2015-03-13 | 2016-06-14 | Dewertokin Gmbh | Electromotive furniture drive |
DE202016100780U1 (en) * | 2016-02-16 | 2017-05-18 | Dewertokin Gmbh | Furniture drive system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29714746U1 (en) * | 1997-08-18 | 1997-10-09 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Electromotive furniture drive designed as a double drive |
DE20006690U1 (en) * | 2000-04-11 | 2001-08-16 | Cimosys Ag, Goldingen | Furniture drive designed as a double drive |
DE10046750C1 (en) * | 2000-09-21 | 2002-04-18 | Cimosys Ag Goldingen | Furniture drive designed as a double drive |
DE10138025A1 (en) * | 2001-08-08 | 2003-05-22 | Cimosys Ltd | Furniture drive for adjusting parts of a piece of furniture relative to one another |
DE20200499U1 (en) * | 2002-01-15 | 2002-05-16 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Furniture fitting for seat height and seat depth adjustment |
DE20302139U1 (en) * | 2002-09-16 | 2003-04-24 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Electric motor drive for moveable or adjustable furniture such as an adjustable bed |
DE202005008336U1 (en) * | 2005-05-24 | 2006-10-05 | Cimosys Ag | Assembly system for motor-driven adjustment of head and leg supports on e.g. sun beds comprises single electric motor driving spindle which cooperates with coaxial spindle nuts and mounting to move levers at each end and adjust supports |
DE102006033982B4 (en) * | 2006-07-22 | 2009-03-05 | Stabilus Gmbh | spindle drive |
-
2008
- 2008-12-03 DE DE200820016049 patent/DE202008016049U1/en not_active Expired - Lifetime
-
2009
- 2009-11-19 EP EP09756485A patent/EP2369958B1/en not_active Not-in-force
- 2009-11-19 DK DK09756485.0T patent/DK2369958T3/en active
- 2009-11-19 ES ES09756485T patent/ES2402393T3/en active Active
- 2009-11-19 WO PCT/EP2009/065457 patent/WO2010063586A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010063586A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010063586A1 (en) | 2010-06-10 |
ES2402393T3 (en) | 2013-05-03 |
DE202008016049U1 (en) | 2010-04-15 |
DK2369958T3 (en) | 2013-04-08 |
EP2369958B1 (en) | 2013-01-02 |
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