EP3769645A1 - Dispositif de déplacement d'un élément de meuble mobile dans un sens d'ouverture par rapport à un corps d'un meuble - Google Patents

Dispositif de déplacement d'un élément de meuble mobile dans un sens d'ouverture par rapport à un corps d'un meuble Download PDF

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Publication number
EP3769645A1
EP3769645A1 EP20182766.4A EP20182766A EP3769645A1 EP 3769645 A1 EP3769645 A1 EP 3769645A1 EP 20182766 A EP20182766 A EP 20182766A EP 3769645 A1 EP3769645 A1 EP 3769645A1
Authority
EP
European Patent Office
Prior art keywords
guide
ejector
furniture
track
drawer
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
Application number
EP20182766.4A
Other languages
German (de)
English (en)
Other versions
EP3769645B1 (fr
Inventor
Tino Fellner-Waltersdorfer
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.)
Grass GmbH
Original Assignee
Grass GmbH
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
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Publication of EP3769645A1 publication Critical patent/EP3769645A1/fr
Application granted granted Critical
Publication of EP3769645B1 publication Critical patent/EP3769645B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other

Definitions

  • the invention relates to a device for moving a movable furniture part in an opening direction in relation to a furniture body of a piece of furniture and / or a device for moving a movable furniture part relative to a body of a household appliance, a guide system for a piece of furniture or for a household appliance with such a device and a piece of furniture or a household appliance with such a guide system and such a device.
  • an additional function for influencing the furniture part movement is provided.
  • This relates, for example, to systems for providing an opening function for the force-assisted opening movement of the furniture part from a closed position of the furniture part relative to the furniture body.
  • These systems can be designed in such a way that, when the furniture part is closed, there is a front gap between a movable furniture part and a furniture body. This makes it possible for a user to trigger a so-called touch-latch function of the system, which releases a charged energy store of the furniture, with the furniture part being movable in an opening direction with an ejector of the device.
  • the object of the invention is to provide an improved device of the aforementioned type for moving a movable furniture part in order to facilitate and / or support an opening and / or closing process, and in particular to enable more flexible use of the device.
  • the invention is based on a device for moving a movable furniture part in an opening direction with respect to a furniture body of a piece of furniture, the movable furniture part being able to be brought via guide means in the opening direction and in a closing direction opposite to the opening direction.
  • the device has an energy store and an ejector, so that with the device mounted on the piece of furniture, the movable furniture part can be brought into an opening position during an opening process under the action of the energy store via the ejector.
  • the ejector moves in a guided manner on a base plate of the device, a pawl component with a guide element being present on the ejector, and the guide element moves in a guide path of the base plate.
  • the guide track is designed like a loop, with the pawl component assuming different positions in relation to the rest of the ejector, depending on the position of the guide element in the guide track.
  • the movable furniture part is preferably designed as a drawer, door, flap, or the like.
  • the drawer or flap is movably guided on the furniture carcass via guide means, for example pull-out rails such as partial or full pull-outs, and / or hinges and / or flap fittings on the furniture carcass.
  • the device is advantageously mounted on a body side wall of the furniture and / or the guide means. It is also conceivable to mount the device on a drawer, in particular on a drawer side wall or on the underside of a drawer.
  • the preferred installation orientation of the device is vertical, based on a main plane spanned by the device, in particular almost or exactly parallel to a body side wall, but horizontal installation, e.g. on the underside of a drawer bottom, is also possible.
  • the ejector of the device interacts, for example, with a driver of the furniture part and / or with a driver of the guide means of the furniture part and / or the furniture body during an opening process and / or closing process.
  • the driver is formed on the movable furniture part or, for example, on the moving rail of the pull-out. If the device is arranged on the movable furniture part, the driver is preferably formed on the fixed-position parts of the guide means of the furniture and / or on the furniture body, advantageously in a fixed position with respect to the furniture body.
  • the ejector preferably comprises a pawl component with a guide element.
  • the pawl component is preferably movable with the guide element, in particular attached to the ejector in a pivotable manner.
  • the guide element moves preferably in a guided manner, in particular guided in a guide track of the base plate.
  • a guideway preferably comprises several guide surfaces.
  • the arrangement of these three guide surfaces is preferably selected so that they have a U-shaped cross section, in particular the guide surfaces are each arranged at angles of approximately 90 °.
  • the guide element preferably moves along the guide surfaces, in particular it slides along at least one of the existing guide surfaces.
  • One of the guide surfaces is preferably in the plane of the base plate in which the base plate mainly extends.
  • the guide surface in question is preferably formed by an area of the upper side of the base plate, while there are no guide tracks on the rear side of the base plate. The back is regularly flat against a counter section of the furniture.
  • Two further guide surfaces preferably protrude at an angle from the guide surface which is formed in the plane of the base plate. These two guide surfaces form the border of the guide track, in particular the guide contour for the guide element on the pawl component.
  • the guide element in order to ensure the function of the device, the guide element must be dimensioned such that it can be moved within the border and on the guide surface in the plane of the base plate.
  • the guide element either rests on one guide surface, on two of the guide surfaces, or it rests on all three guide surfaces.
  • the border is preferably formed from protruding guide surfaces to the plane of the upper side of the base plate, shown raised from the plane of the base plate, and integrally or materially connected to the base plate.
  • the base plate is made from a plastic, preferably in an injection molding process. It is also possible to manufacture the base plate from another material, for example from metal, rubber or a composite material.
  • the guide track preferably comprises different track sections.
  • the guide track comprises the track sections of the ejection track, tension track and reverse track.
  • a track section is preferably connected to an adjoining track section at one point or a track section merges into an adjoining track section.
  • Two track sections are connected to one another at more than one, in particular at exactly two points.
  • the third track section is preferably also connected with one of its ends to the other two track sections at one of these two locations. In this preferred embodiment, the other end is not connected to any further track section.
  • the following sequence occurs when the movable furniture part is opened, the device being fixed in position on a side wall of the furniture body.
  • the sequence of the guide element on the latch component is as follows: By pushing in the front of the drawer, the ejector is moved slightly in the closing direction and an energy storage mechanism is unlocked, which causes the ejector to move with it the pawl component is moved in the opening direction by the energy stored in the energy store. While the touch-latch function is triggered, the guide element is on the reverse path. If the energy store is triggered, the guide element changes to the ejection path.
  • the latch component Due to the guide contour, the latch component is swiveled out and interacts with the driver. At the end of the ejection path, the latch component pivots away from the driver, so that the latter is free and the drawer can be opened further, in particular completely, by kinetic energy or by a user without interacting with the device. If the drawer is closed again by a user, this is done initially without interaction with the device, only after a The driver interacts with the ejector at a certain distance, corresponding to a covered closing path of the furniture part compared to the fully open position. During this process, the pawl component is pivoted away and the guide element is located on the tensioning track track section. While the drawer is now being closed by a user, the energy storage mechanism is tensioned. At the end of the clamping process, the guide element changes back to the reverse path in which it is located until the drawer is opened again.
  • the device works independently of a possible arrangement for the complete retraction of the drawer or an automatic retraction mechanism for the drawer.
  • reverse path and ejection path during a closing process: clamping path and reversing path, so that the following results for opening and closing: reversing path, ejection path, clamping path and back onto the reversing path.
  • the position of the latch component on the ejector changes with respect to the ejector, depending on different positions which the ejector assumes relative to the base plate during an opening and / or closing process of the movable furniture part.
  • the guide element of the pawl component preferably runs on the ejection path during an opening movement of the furniture part, in particular the drawer, so the pawl component is in particular swiveled out completely and protrudes over the outer edge of the base plate so that it interacts with the driver.
  • the pawl component is preferably, in particular, mostly pivoted in on the tensioning track and therefore almost does not protrude beyond the outer edge of the base plate.
  • the movement of the pawl component and the ejector preferably take place in one plane of movement. This plane of movement is preferably parallel to the plane of the base plate.
  • a locking element is present in the guide track in which the guide element moves, which holds the guide element in a specified direction of movement in the guide track, the locking element and / or the guide element being designed to be deflectable and the blocking element can only be overcome by the guide element in the intended direction of movement, the guide element not being able to overcome the blocking element in an opposite direction of movement, but being blocked by the blocking element.
  • the various track sections of the guide track should be traversed by the guide element only in one intended direction or one single direction.
  • the guide element moves, among other things, in the ejection path.
  • the guide element changes to the tensioning track.
  • the preferred, intended direction of movement of the guide element results from an opening process and a subsequent closing process of the movable furniture part, in particular a drawer.
  • the latch component is movement-coupled to the furniture part in certain time periods.
  • This preferred spatial sequence in which the various path sections are traversed by the guide element is at the same time also a chronological sequence due to the opening and closing processes of the movable furniture part.
  • the locking element is preferably located at a transition between the two track sections of the ejection track and the tension track.
  • the blocking element prevents an undesired change in the direction of rotation of the guide element from the track section of the ejection track to the track section of the tension track.
  • a part of the locking element or the entire locking element is preferably part of the guideway.
  • the blocking element can, for example, cover part of the guide track or replace it.
  • a further part of the blocking element or the entire blocking element preferably comprise a section of the border of a guide track, in particular a section of a guide contour.
  • the blocking element can be produced entirely or partially, for example from a rubber material, a metal, or a plastic or also from a combination of these materials or a composite material.
  • the locking element remains permanently functional and can repeatedly spring back from a deflected position, which the locking element assumes at the moment it is driven over by the guide element, into its starting position in which it is not deflected. This is preferably done automatically through the inherent elasticity of the locking element. In the starting position, the guide element can only overcome it in the intended direction. When overcoming the locking element is preferably deflected against a spring action.
  • the locking element comprises, for example, a resilient tab, so that a force is necessary to force the guide element must apply in order to overcome the locking element, or to push the locking element away, transversely, in particular perpendicular, to the plane of the base plate or to the plane of movement.
  • the blocking element and / or the guide element is preferably supported so that it can be deflected so that the guide element can move over the blocking element.
  • the blocking element is supported so that it can be deflected
  • only the guide element is supported so that it can be deflected
  • both the blocking element and the guide element are supported such that it can be deflected and thus both are movable, in particular simultaneously.
  • the locking element comprises a resilient section and a rigid section. It is also possible that the locking element itself is designed to be resilient, preferably as a type of spring tab.
  • recesses around the locking element.
  • a mobility of the locking element relative to the remaining part of the base plate is achieved through the recesses.
  • these recesses are arranged in the manner of a slot around the locking element.
  • adjacent recesses are separated from one another by material webs.
  • material webs are preferably made of the material of the base plate and, like the locking element, are connected in one piece to the base plate.
  • the recesses are made in an injection molding process during the manufacturing process of the base plate.
  • a subsequent production of the recesses, for example by removing material from the base plate, is also possible.
  • the recesses are preferably dimensioned so that they do not impair the movements, in particular of the guide element.
  • the locking element is made of a different material than the base plate.
  • the locking element is integrally connected to the base plate, or is made of the same material, or is attached to the base plate, and is made, for example, of metal, composite material, plastic, rubber.
  • the connection is preferably form-fitting.
  • the blocking element comprises a ramp-like section, in particular for example a ramp element.
  • the blocking element comprises a three-dimensional ramp, in particular with a resilient tab, at one end of which the ramp is seated.
  • the resilient tab puts the locking element back into the starting position, in this position the locking element blocks or blocks the undesired change between the track sections of the ejection track and tension track.
  • a preferred embodiment of the ramp-like section on the locking element provides for an increase in height in relation to the surface of the base plate. This increase in height can go from the level of the base plate to the height of a border of a track, in particular a guide track, in particular the guide track of the guide element on the pawl component. Other variants also provide heights between these two values.
  • the locking element is preferably arranged and designed in such a way that the ramp-like area is opposite a connection of the locking element to the base plate. As a result, the ramp-like area can cover the greatest possible distance and thus a suspension of the locking element is implemented.
  • the guide element is preferably designed as a protruding section of the pawl component, based on a flat side of the pawl component on which the guide element is present, in particular it is a guide pin which, for example, comprises a cylindrical outer jacket and an axially flat end face.
  • a resiliently mounted guide pin is also conceivable, which is moved as a guide element on the pawl component in the guide track and is resiliently attached to the pawl component.
  • the device according to the invention with a locking element enables the device to be installed in different orientations.
  • This can be vertical, that is, parallel to the body side wall or a drawer side wall, or also horizontal, that is, parallel to a drawer bottom.
  • the invention also relates to a piece of furniture with a device for moving a movable furniture part which is designed as described in the preceding paragraphs.
  • the movable furniture part can in particular be a drawer which is moved by guide rails and a device to support the opening and / or closing movement.
  • the device according to the invention is preferably attached to a body side wall. It is also possible to attach two devices to one, in particular to the same, body side wall. If two devices are present on the same body side wall, these two devices can be connected to one another by a synchronization element, in particular a synchronization rod. In a further embodiment, it is also possible to attach only one device to a body side wall.
  • the synchronization element is used to prevent malfunctions during the operation of the touch-latch function of the device be prevented. This enables two devices that are coupled to one another to be triggered simultaneously.
  • FIGS. 1 to 9 show the starting point of the invention and serve to explain the functional principle of the device from which the invention is based.
  • FIGS. 10 to 13 show the device according to the invention in the vertical installed state on a side wall of a piece of furniture according to the invention, a base plate of the device and two detailed views of the base plate.
  • FIG Figure 1 A piece of furniture 50 with a box-shaped furniture body 51 and a drawer 53 that is movably guided via guide means 52 is shown in FIG Figure 1 shown.
  • the drawer 53 comprises a drawer bottom 54, a drawer front 55, side walls 56 and a drawer rear wall 57.
  • two guide means 52 with the same effect are provided between each side wall 56 of the drawer 53 and an associated body side wall 59.
  • a device 58 according to the invention (shown in dashed lines) for moving or ejecting the furniture part designed as a drawer 53 in the opening direction M1 is arranged on an underside of the drawer bottom 54.
  • Figure 2 shows the exploded view of the device 58, which is designed as an ejector unit 1 for the drawer 53.
  • the ejector unit 1 serves for the force-assisted ejection of the drawer 53 over a first part of the opening movement of the drawer 53 from a closed position relative to the furniture body 51 in the opening direction Ml of the drawer 53.
  • the drawer 53 is mounted on the furniture body 51 so as to be displaceable in the direction of M1 and M2 via the guide means 52, for example two similar partial or full extensions.
  • the ejector unit 1 can alternatively be arranged on the furniture body 51 or on the guide means 52 of the furniture 50.
  • the ejector unit 1 includes, inter alia, a base plate 2, an energy store 3, a coupling device 4, an ejector 5, a trigger 6 and a locking member 7.
  • a housing of the ejector unit 1 comprises the base plate 2 and a cover component 9, which consists of Figure 9 can be seen.
  • the ejector unit 1 can be arranged over the housing or over the cover component 9 and / or the base plate 2 on the underside of the drawer bottom 54 and / or on the guide means 52.
  • Holding sections, guide contours, stop members and / or receiving sections for connecting the individual components of the ejector unit 1 are formed on the base plate 2.
  • the base plate is designed essentially as a rectangular, elongated or strip-shaped component with a comparatively low height h of, for example, approximately 5 to 15 millimeters.
  • the base plate 2 also has a width b of approximately 4 to 10 centimeters and a length g.
  • the guide contours, in particular the borders of the guide track, can have heights h 'with all values up to height h.
  • the energy store 3 comprises two parallel-arranged spiral springs 10, 11 of the same type, which form a spring assembly.
  • the spiral springs 10, 11 are arranged on an adjustable fixed bearing 13.
  • the fixed bearing 13 comprises a movable bearing part 14, on which the spiral springs 10, 11 are detachably but firmly received, and an actuating part 15 with an operating section 16 via which a user can adjust a position of the end 12 of the energy storage mechanism 3 in a changeable manner from the outside.
  • a force action of the energy store 3 on the drawer 53 during the opening process of the drawer 53 can advantageously be preset.
  • the associated ends of the spiral springs 10, 11 are attached to a slide-like movement element 18.
  • the slide-like movement element 18 is guided linearly in a direction of movement P1 and an opposite direction of movement P2 via an associated guide contour 19 on the base plate 2.
  • the directions of movement P1 and P2 of the movement element 18 (see Sect. Figures 2, 3 ) run parallel to the opening direction Ml of the drawer 53 and a closing direction M2 opposite thereto.
  • the opening direction Ml corresponds to the direction P2 of the movement element 18 and the closing direction M2 corresponds to the movement direction P1 of the movement element 18.
  • the opening direction of the drawer 53 corresponds to the direction P2 on the device and the closing direction of the drawer 53 corresponds to the direction P1 on the device.
  • the Figures 3 , 7th , 8th show the ejector unit 1 in a tensioned state of the energy storage mechanism 3, in which the spiral springs 10, 11 are elongated or tensioned under tension, here the moving element 18 is offset in relation to a retracted position on the base plate 2 in the direction P1 and in a Clamped position held.
  • the Figures 5 , 6 show the ejector unit 1 in a discharged basic state of the energy accumulator 3, in which the spiral springs 10, 11 are still tensioned, but with a smaller amount, and have a length L1. In the tensioned state of the energy store 3, the spiral springs 10, 11 have a length L2 which is greater than L1.
  • a holding member 32 with a stop element 26 is provided on the movement element 18.
  • the stop element 26 is in contact with an ejector 5 during a force-assisted opening process.
  • the energy store 3 or the moving element 18 is preferably only in operative connection with the ejector 5 when the drawer 53 is closed.
  • the ejector 5 can in particular be moved exclusively linearly or parallel to the direction of movement of the moving element 18 in the directions P1 and P2 - and can be moved here.
  • a linear guide 20 is formed on the base plate 2, which on guide sections z. B. is matched on one side of the ejector 5.
  • An opening process of the drawer 53 brought about by the ejector unit 1 takes place exclusively via a direct operative connection of the energy store 3 via the movement element 18 moving in the direction P2 to the ejector 5.
  • a stop element 26 is formed on the movement element 18, which is advantageously designed to be elastic and thus prevents or at least dampens a noise that is annoying for a user when the movement element 18 hits the ejector 5 during the opening process of the drawer 53 ( Figure 3 , 4th , 5 ).
  • a front gap adjustment arrangement 8, which is formed on the ejector 5, comprises a housing 45 and an adjusting screw 22 with a contact section 21.
  • the adjusting screw 22 has an external thread which cooperates with an internal thread on the housing 45 ( Figure 2 ).
  • an operating section 46 of the adjusting screw 22 By manually turning an operating section 46 of the adjusting screw 22 by a user, a position of the contact section 21 of the adjusting screw 22 can be adjusted in the direction P1 or P2, depending on the direction of rotation.
  • the adjusting screw 22 is in particular self-locking formed relative to the housing 45.
  • the contact section 21 of the adjusting screw 22 rests against a driver 23, which forms a stop for the contact section 21 in corresponding operating states.
  • Driver 23 indicated only by dashed lines can be present, for example, on a fixed rail of the guide means 52 or attached to the furniture body 51 if the ejector unit 1 is arranged on the drawer 53.
  • the driver 23 can be provided on the drawer 53 and thus movable relative to the furniture body 51.
  • a pawl component 24 of the ejector unit 1, which is pivotably mounted on the ejector 5, is moved from a pivoted position that is completely sunk to an outer edge of the base plate 2 Figure 4 brought into a swiveling position partially protruding over the outer edge of the base plate 2 with a nose ( Figure 5 ), which is realized via a loop-shaped closed guide track 25 in the base plate 2 and a guide pin 24a engaging therein on the pawl component 24.
  • FIG Figures 3 to 8 To illustrate the pawl component 24, its outline, which is covered by other components, in particular by the ejector 5, is shown in FIG Figures 3 to 8 indicated by dashed lines.
  • the energy store 3 In the basic state shown, the energy store 3 is in an end position of the discharged state, the energy store 3 not being able to move the ejector 5 further in the direction P2.
  • the ejector 5 is then displaced relative to the base plate 2 in the direction P2 due to the kinetic energy of the drawer 53, which is due to the previous ejection movement, and / or by a manual further movement of the drawer 53 in the opening direction M1 by a user.
  • the pawl component 24 is completely pivoted in again when the end position on the ejector 5 is reached, which is predetermined by the interaction of the guide track 25 with the guide pin 24a engaging therein on the pawl component 24.
  • the ejector 5 is urged by spring elements 33 on the base plate 2, for example by a few millimeters in the direction P1.
  • the spring elements 33 have a comparatively low force compared to the spiral springs 10, 11 of the energy accumulator 3.
  • a contact section 29 of the pawl component 24 is brought into direct, play-free contact with a bearing pin 31 of a clamping lever 30 of the coupling device 4 in a waiting position of the ejector 5 ( Figure 6 ).
  • the bearing pin 31 is arranged at a first end of the clamping lever 30 and can move freely along a, for example, linear guide track 27 and / or a linear guide 63, which is formed on the ejector 5, in particular within an opening process of the drawer 53 to the pawl component 24 holds the bearing pin 31 and / or the clamping lever 30 in direct, play-free contact with the ejector 5.
  • the waiting position of the ejector 5, which is shown in Figure 6 is shown, is also at the same time a start position of the ejector 5 for a tensioning process of the energy accumulator 3 via the coupling device 4.
  • the starting position of the clamping movement of the ejector can be changed by arranging the bearing journal 31 at the first end of the clamping lever 30 instead of at a point S1 at a point S2. If the bearing pin 31 is arranged at the point S2, the starting position of the ejector is offset in relation to an arrangement at the point S1 in the direction P1. It would also be conceivable to change the length of the tensioning lever 30, for example to shorten it. It would also be conceivable to change the mounting of the pawl component 24 on the ejector 5, for example in the direction P2 on the ejector 5, and thus to change the position of the play-free contact in the clamping process between the ejector 5 and the clamping lever 30 relative to the ejector 5.
  • the coupling device 4 comprises a guide lever 34 and a connecting element 35.
  • the tensioning lever 30 is articulated on the guide lever 34 at a second end via a bearing pin 36.
  • the connecting element 35 is at a second end via a bearing pin 37 spaced apart from the bearing pin 36 also on the guide lever 34 and articulated at its first end via a further bearing pin 38 on the movement element 18.
  • the guide lever 34 is movable at a first end via a bearing pin 39, in particular is arranged pivotably on the base plate 2.
  • the bearing pin 39 is preferably received both on the base plate 2 and on the cover component 9.
  • the guide lever 34 of the coupling device 4 comprises a lever attachment 40 at a second end.
  • a locking element 41 and a stop element 42 are formed on the lever attachment 40.
  • the end position of the unloading state of the energy store 3 ( Figure 5 ) is specified by a stop of the stop element 42 of the guide lever 34 on a wall section 47 on a web-like wall 48 of the base plate 2.
  • the wall section 47 is formed, for example, from an annular section of a damping element. If the stop element 42 of the guide lever 34 is on the wall section 47 after the energy storage device 3 has been discharged, a tensile force in the direction P2 is transmitted from the movement element 18 via the connecting element 35 to the guide lever 34 due to a remaining bias of the spiral springs 10, 11.
  • the movement element 18 is prevented from further movement in the direction P2, the energy accumulator 3 with the movement element 18 being held in the end position of the discharge state without play.
  • stop element 42 and / or the wall section 47 can be designed to be elastic or damping, so that stop noises are reduced or prevented.
  • the guide lever 34 can transmit a force with a translation from the tensioning lever 30 to the connecting element 35 when the energy store 3 is tensioned.
  • the transmission ratio is formed on the one hand by the ratio of the distance between the bearing pins 39 and 36 to the distance between the bearing pins 39 and 37 on the guide lever 34, on the other hand by the combined circular and linear movement of the clamping lever 30 and / or the connecting element 35 to each other during the loading process Lift mechanism 3.
  • the elements of the coupling device 4 can move as follows:
  • the bearing pin 31 and thus the first end of the tensioning lever 30 can move exclusively parallel to a direction of movement of the ejector 5, in particular parallel to a direction of movement of the movable furniture part 53, due to its mounting in the guide track 27.
  • the bearing pin 38 and thus the first end of the connecting element 35 can move exclusively parallel to a direction of movement of the movement element 18 or the ejector 5, in particular parallel to the direction of movement of the movable furniture part 53, due to its mounting on the slide-like movement element 18 and thus advantageously in the guide contour 19 .
  • the bearing pin 36 thus the second end of the tensioning lever 30 can move exclusively in a circular path around a center of rotation of the bearing pin 39 of the guide lever 34 due to its mounting on the second end of the guide lever 34.
  • the bearing pin 37 of the connecting element 35 and thus the second end of the connecting element 35 can move exclusively in a circular path around a center of rotation of the bearing pin 39 of the guide lever 34 due to its mounting in a central area of the guide lever 34.
  • the coupling device 4 can transmit a force for tensioning the energy store 3 from the ejector 5 via the tensioning lever 30 and the guide lever 34 to the connecting element 35 and thus the energy store 3, in particular the coupling device 4 reduces the force exerted by the ejector 5 on the energy store 3. This means that when loading the energy store 3, a user has to apply a lower force on the ejector 5 than he would have to apply if he wanted to load the energy store 3 without a reduction or directly the end 17 of the energy store 3 in Direction P1.
  • the energy storage mechanism 3 is tensioned with a movement of the drawer 53 when it is closed or on a part of the closing movement of the drawer 53.
  • the starting position of the ejector unit 1, in which it is prepared for tensioning the energy storage mechanism 3 and is waiting for the drawer to close, is shown Figure 6 .
  • the ejector unit 1 moves in the direction M2 towards the driver 23.
  • the contact section 21 of the adjusting screw 22 of the ejector 5 hits against the driver 23 23
  • the loading process of the energy store 3 begins, for example due to the inertia of the drawer 53 relative to the base plate 2, the ejector 5 is moved in the direction P1 by striking the driver 23.
  • the movement element 18 of the energy storage device 3 is also displaced in the direction P1 relative to the base plate 2 and the second end 17 of the spiral springs 10, 11 is displaced in the direction P1 and thus the spiral springs 10 , 11 elongated.
  • the ejector 5 At the end of the tensioning process of the energy store 3, the ejector 5 is in a loading end position, this is in FIG Figure 7 shown. In the tensioned state of the energy store 3, the ejector unit 1 is in a locked state.
  • the locking element 41 of the coupling device 4 and the locking element 7, which is designed as a flap, determine a locking state, an unloading movement of the coupling device 4 from the locking element 7 being blocked.
  • the tensioning of the energy storage mechanism 3 is completely completed before, for example, an automatic retraction mechanism for power-assisted retraction of the drawer 53 into the fully closed position on the furniture body 51 becomes effective.
  • the automatic feed mechanism is not part of the ejector unit 1 and is integrated, for example, in the guide means 52 or the partial or full extensions.
  • the ejector 5 is decoupled from the coupling device 4 and can be moved in the direction P1 by the driver 23, in particular by an automatic retraction system, until the drawer 53 is completely closed on the furniture body 51 and the ejector 5 on the trigger 6 is in the basic position according to Figure 3 pending.
  • the ejector unit 1 In order to eject the drawer 53 with the ejector unit 1 from the completely pushed in or closed position on the furniture body 51, a user has to exert a pressure on the drawer in the direction M2.
  • the ejector unit 1 has what is known as a touch-latch functionality, which has a locked state that can be unlocked by moving the pushed-in drawer 53 closed on the furniture body 51 in the closing direction M2.
  • This closing movement or the inward pushing of the drawer 53 in direction M2 takes place until it reaches a stop position corresponding to a front gap, which in the closed state of the drawer 53 is in particular due to a distance between an inside of the drawer front 55 and a front end or the side walls 56 of the furniture body 51 is specified.
  • the front gap is usually a few millimeters, for example approx. 1 to 10 millimeters.
  • the unlocking of the ejector unit 1 is coordinated in such a way that a closing movement of the drawer 53 in direction M2 of a few millimeters or a maximum of the amount of the front gap is sufficient to reliably predetermine the unlocking and thus the force-assisted ejection of the drawer 53.
  • the ejector unit 1 with the drawer 53 is moved in the direction M2.
  • the adjusting screw 22 rests on the driver 23
  • the ejector 5 is moved relative to the base plate 2 in the direction P1, whereby a contact section 44 on the ejector 5 presses against the trigger 6 and pushes it accordingly in the direction P1.
  • the trigger 6 is provided on the base plate 2 and is linearly displaceable to a limited extent in directions P1 and P2, generally by a few millimeters or less than the size of the front gap.
  • the trigger 6 is preferably coupled directly to the locking member 7, which is designed as a flap 43, in such a way that the linear triggering movement of the trigger 6 in the direction P1 causes the flap 43 to rotate about a pivot axis D.
  • the flap 43 is released from a locking position into which the flap 43 is urged by a spring element designed as a leaf spring 49.
  • the flap 43 In the locked state of the ejector unit 1, the flap 43, which is in the locking position, blocks the guide lever 34 or the lever attachment 40 in such a way that the energy store 3 remains in its charged state.
  • the locking element 41 protruding from the lever attachment 40 moves with the pivoting operation of the guide lever 34 below the flap 43 past the latter and continues the rotary movement of the flap 43 about the pivot axis D initiated by the trigger 6 without interruption.
  • an angle of rotation of the flap 43 from the locking position is advantageously increased.
  • the locking element 41 is pivoted out again by the spring force of the leg spring 60. After the tensioning process, the guide lever 34 with the protruding locking element 41 is pressed against the flap 43 held in a locking manner by the leaf spring 49, so that the energy store 3 is in the locked state.
  • the rotary movement of the flap 43 of the ejector unit 1 or the device 58 is transmitted via a synchronous rod 61, which is arranged in a rotationally fixed manner on the flap 43, to a second advantageously equivalent device 62, which is arranged on the drawer 53.
  • the synchronizing rod 61 advantageously connects the locking element 7 to a second locking element present on the second device 62.
  • the two locking members are thus directly and / or synchronously coupled for movement. This represents a contrary synchronization principle to a connection between release elements of two ejector devices on a piece of furniture.
  • the device 58a according to the invention differs from the device 58 from Figures 1 to 9 at least by a modified guide track 100, which includes a blocking element 101, among other things.
  • the furniture 50a according to the invention is shown, it comprises two carcass side walls 59 and 59a, a carcass rear wall 59b and a carcass cover, not shown.
  • the piece of furniture 50a further comprises a movable furniture part embodied as a drawer 53, which can be moved relative to the remaining piece of furniture via guide means 52 in the opening direction M1 and in the closing direction M2.
  • the device 58a according to the invention is mounted on the body side wall 59a. There is no device according to the invention on the body side wall 59.
  • the drawer 53 comprises a drawer bottom 54, a drawer front 55, two side walls 56 each with a rail 56a and a drawer rear wall 57.
  • the drawer front 55 and the drawer rear wall 57 are connected by the two drawer side walls 56.
  • a railing 56a runs parallel to the upper end of the drawer side walls 56 and is connected in a stabilizing manner approximately halfway along the length of the drawer 53 by a web 56b.
  • two guide means 52 with the same effect, for example full extensions, are provided between each side wall 56 of the drawer 53 and the associated body side wall 59 or 59a.
  • the guide means 52 on the body side wall 59 are covered by this body side wall 59 and therefore not in Figure 10 to see.
  • the device 58a according to the invention is provided to move or assist the ejection of the drawer 53 in the opening direction Ml.
  • the embodiment shown in the example of the furniture 50a according to the invention is provided with two equally acting and simultaneously acting devices 58a according to the invention. These two devices 58a are attached to the body side wall 59a and connected to one another via a synchronizing rod 61. Due to the perspective illustration with the side wall 59, only the upper device 58a and part of the synchronizer rod 61 are shown.
  • a driver 109 is attached to one side of the drawer 53, coordinated with the upper of the two devices 58a. This is fastened here to the drawer rear wall 57 with a flange 110, for example.
  • the flange 110 is arranged vertically above the drawer side wall 56 between the rail 56a and the drawer side 56 facing the body side wall 59a.
  • the driver 109 protrudes from the flange 110 at an angle outward in the direction of the body side wall 59a.
  • the driver has the same function as the one in the Figures 1 to 9 driver 23.
  • the driver 109 differs from the driver 23 only in the attachment.
  • the driver 23 is attached to the body 51 or to a body rail of the guide means 52, whereas the driver 109 in FIG Figure 10 is attached to the drawer 53.
  • the device 58a is in Figure 10 fixed in position on the body side wall 59a.
  • the apparent guide track 100 comprises a blocking element 101, a reversing track 102, an ejection track 103 and a tensioning track 104, shown in FIG Figure 12 .
  • This guide surface is bordered by the further guide surfaces 107, which have a guide surface section 107a in the area of the blocking element 101.
  • Figure 12 shows an excerpt from Figure 11 , marked with A.
  • the blocking element 101 is formed with a ramp-like section 105.
  • the ramp-like section 105 can only be overcome in one direction by a guide pin 24a.
  • the direction in which the guide pin 24a runs in the guide track 100 is indicated by arrows in FIG Figure 12 indicated.
  • the guide pin 24a When the drawer is opened in the direction of Ml, the guide pin 24a first moves on the reversing path 102. Due to the energy of the loaded and released energy store 3, the ejector 5 with the guide pin 24a (all not in Figure 12 shown) is brought to the ejection path 103.
  • the guide pin 24a reaches the end of the ejector path 103 and then changes to the tensioning path 104.
  • the guide pin 24a remains there until the drawer 53 is closed again by a user and the driver 109 onto the ejector 5 meets.
  • energy is supplied by the user and the energy storage device 3 (not in Figure 12 shown) tensioned again when the ejector 5 moves in direction P1.
  • the blocking element 101 comprises a connection 106 to the base plate 2a, the ramp-like section or the ramp 105, and the guide surface section 107a.
  • the ramp 105 comprises a slope 105a and a blocking side 105b.
  • the blocking element blocks the change of the guide pin 24a at this point. This is a Error-free functioning of the device is guaranteed, because the guide pin 24a cannot slide into the tensioning path 104 at the end of the reversing path 102, but is instead guided onto the ejection path 103 by the blocking side 105b.
  • the slope 105a of the ramp 105 rises to a maximum height, which corresponds to the height of the base plate 2a, based on the base area of the base plate 2a.
  • An increase to approximately half the height of the base plate 2a at the highest point of the ramp 105 is preferred.
  • the highest point of the ramp 105a is at the same time the height of the blocking side 105b perpendicular to the base plate 2a.
  • the locking element 101 is spaced from the rest of the base plate 2a, at least over the essential length of the outer edge of the locking element 101, by a narrow, preferably slot-shaped recess 108, which has a width of approximately one millimeter or a fraction of a millimeter, for example.
  • the recess 108 surrounds the blocking element 101 on three of four narrow outer sides of the blocking element 101, for example in FIG Figure 13 shown.
  • the locking element 101 is connected to the base plate 2a via the connection 106.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Closures For Containers (AREA)
EP20182766.4A 2019-07-22 2020-06-29 Dispositif de déplacement d'un élément de meuble mobile dans un sens d'ouverture par rapport à un corps d'un meuble Active EP3769645B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019119706.6A DE102019119706A1 (de) 2019-07-22 2019-07-22 Vorrichtung zum Bewegen eines bewegbaren Möbelteils in eine Öffnungsrichtung in Bezug zu einem Möbelkorpus eines Möbels

Publications (2)

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EP3769645A1 true EP3769645A1 (fr) 2021-01-27
EP3769645B1 EP3769645B1 (fr) 2024-02-21

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EP20182766.4A Active EP3769645B1 (fr) 2019-07-22 2020-06-29 Dispositif de déplacement d'un élément de meuble mobile dans un sens d'ouverture par rapport à un corps d'un meuble

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EP (1) EP3769645B1 (fr)
DE (1) DE102019119706A1 (fr)
ES (1) ES2980729T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024039308A1 (fr) * 2022-08-15 2024-02-22 Samet Kalip Ve Madeni̇ Eşya San Ve Ti̇c. A.Ş Dispositif d'éjection d'élément de meuble mobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018015542A1 (fr) * 2016-07-22 2018-01-25 Paul Hettich Gmbh & Co. Kg Dispositif d'éjection pour un élément de meuble mobile et meuble
DE102017121596A1 (de) * 2017-09-18 2019-03-21 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009004953U1 (de) * 2009-06-26 2010-11-25 Paul Hettich Gmbh & Co. Kg Selbsteinzugsvorrichtung und Auszugsführung
DE202015104439U1 (de) * 2015-08-21 2016-11-22 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils und Möbel
DE202017103118U1 (de) * 2017-05-23 2018-08-24 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018015542A1 (fr) * 2016-07-22 2018-01-25 Paul Hettich Gmbh & Co. Kg Dispositif d'éjection pour un élément de meuble mobile et meuble
DE102017121596A1 (de) * 2017-09-18 2019-03-21 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024039308A1 (fr) * 2022-08-15 2024-02-22 Samet Kalip Ve Madeni̇ Eşya San Ve Ti̇c. A.Ş Dispositif d'éjection d'élément de meuble mobile

Also Published As

Publication number Publication date
EP3769645B1 (fr) 2024-02-21
ES2980729T3 (es) 2024-10-02
DE102019119706A1 (de) 2021-01-28

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