EP3683389B1 - Actuator for parts of furniture - Google Patents

Actuator for parts of furniture Download PDF

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Publication number
EP3683389B1
EP3683389B1 EP20160576.3A EP20160576A EP3683389B1 EP 3683389 B1 EP3683389 B1 EP 3683389B1 EP 20160576 A EP20160576 A EP 20160576A EP 3683389 B1 EP3683389 B1 EP 3683389B1
Authority
EP
European Patent Office
Prior art keywords
locking
actuating arm
actuating
lever
drive according
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.)
Active
Application number
EP20160576.3A
Other languages
German (de)
French (fr)
Other versions
EP3683389A1 (en
Inventor
Malte SCHMID
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.)
Julius Blum GmbH
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Julius Blum GmbH
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Filing date
Publication date
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Publication of EP3683389A1 publication Critical patent/EP3683389A1/en
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/46—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms
    • E05D15/463—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/12—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame
    • E05D7/123—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame specially adapted for cabinets or furniture
    • E05D7/125—Hinges or pivots of special construction to allow easy detachment of the hinge from the wing or the frame specially adapted for cabinets or furniture the hinge having two or more pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1007—Devices for preventing movement between relatively-movable hinge parts with positive locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1014—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in only one position, e.g. closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/401—Suspension arrangements for wings supported on arms movable in vertical planes specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
    • E05D2003/163—Horizontal pivot-axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/218—Holders
    • E05Y2201/22—Locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/624—Arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/69—Permanence of use
    • E05Y2800/696—Permanence of use during transport or storage
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/74—Specific positions
    • E05Y2800/742—Specific positions abnormal
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets

Definitions

  • Actuators with a locking device for locking a pivoted position of the actuating arm are used in particular for moving furniture flaps that are mounted so that they can be moved upwards relative to a furniture body.
  • the weight of the furniture flap can be at least partially compensated for by the spring device, so that the movement of the furniture flap is supported by the spring device and operation is therefore also made easier for a user.
  • Critical situations can arise when the furniture flap is not yet connected to the actuating arm. In such a case, no counterweight acts on the spring device, so that the actuating arm without a flap can deflect in an uncontrolled manner due to the force of the spring device acting on it, thereby causing serious injuries to the assembly personnel or damage to objects.
  • Actuators with a locking device for releasably locking a pivoted position of the actuating arm are, for example, in WO 2007/041736 A1 and in the WO 2011/011800 A2 shown.
  • the object of the present invention is to specify an actuator of the type mentioned at the outset with a more convenient unlocking option.
  • the locking element can be unlocked both by a manually operated switching element and by a control part mounted on the actuating arm, which can be acted upon by mounting the movable furniture part on the actuating arm, from the at least one locking recess.
  • a locking device is provided with a movably mounted locking element, which can be unlocked from a position locking the adjusting arm both by manual actuation of a switching element and by mounting the movable furniture part on the adjusting arm.
  • this has the advantage that the actuating arm can be released from the locking position either manually or by mounting the furniture flap on the actuating arm, with the switching element and the control part each interacting with the same locking element.
  • the switching element and the control part are connected to one another in a movement-coupled manner, preferably by the locking element, so that when the switching element moves, the control part also moves, and when the control part moves, the switching element also moves.
  • the switching element can be movably mounted between a first switching position and a second switching position, wherein in the first switching position the locking element is locked with the at least one locking recess and that in the second switching position the locking element of the Locking recess can be unlocked.
  • the switching element is designed for manual operation or can have an adapter for receiving a tool, the locking between the locking element and the at least one latching recess being able to be released by exerting force on the switching element.
  • the actuating arm can be locked in a closed position by the interaction of the locking element with the at least one locking recess.
  • the movable furniture part can be connected to the actuating arm that is in the closed position.
  • at least one second detent recess can also be provided, in which case the actuating arm can be locked in an open position by the interaction of the locking element with the second detent recess.
  • a third locking trough can be provided, the actuating arm being lockable by the interaction of the locking element with the third locking trough in an intermediate position between the open position and the closed position, which preferably corresponds to the half-open position of the actuating arm.
  • Fig. 1a shows a perspective view of a piece of furniture 1, wherein a movable furniture part 3 by an actuator 4 by a horizontal running axis of rotation is pivoted relative to a furniture body 2.
  • the movable furniture part 3 can be moved by the actuating drive 4 starting from a vertical closed position into a position which is raised relative to the furniture body 2 (and in the opposite direction).
  • the actuating drive 4 has a housing 5 to be fastened to the furniture body 2 and at least one actuating arm 6 , which is pivotably mounted relative to the housing 5 , for moving the movable furniture part 3 .
  • a spring device 7 is provided for applying force to the actuating arm 6, so that the operation of the movable furniture part 3 is made easier for a user.
  • the actuating arm 6 can be releasably latched by a latching device 23 to a fitting part 22 to be fastened to the movable furniture part 3 .
  • Fig.1b shows the actuator 4 according to a possible embodiment.
  • the spring device 7 (for example at least one compression spring designed as a helical spring) is mounted on the housing 5 and is supported on a stationary articulation axis A and presses against the articulation axis B.
  • the pivot axis B is mounted on a first lever end of a two-armed deflection lever 9 which is pivoted about the pivot axis C.
  • the second lever end of the deflection lever 9 is connected via the articulation axis D to a thrust lever 10 which is articulated via a pin 11 to a lever 12 which can be rotated about an axis of rotation E.
  • An adjustment device 13 can be used to change the spacing of the bolt 11 along a guide of the lever 12 relative to the joint axis E and thus the effective lever arm between the bolt 11 and the joint axis E, so that a torque of the spring device 7 exerted on the actuating arm 6 corresponds to the respective weight of the movable furniture part 3 is adjustable.
  • the lever 12 is articulated to levers 8, 14 via the articulation axes F, G, the levers 8, 14 being pivotably connected to the actuating arm 6 via the articulation axes H, I.
  • the actuator 4 also includes a damping device 15 in the form of a hydraulic fluid damper, which is designed as a piston-cylinder unit in the exemplary embodiment shown.
  • the furniture fitting 4 has a limiting device 16 for limiting an opening angle of a relative pivoting movement of the actuating arm 6 and the housing 5, so that the maximum pivoting path of the actuating arm 6 (and thus that of the movable furniture part 3) can be limited.
  • the limiting device 16 comprises an actuating element 16a which is movably mounted on the lever 8, the maximum opening angle of the actuating arm 6 being adjustably limitable by manual actuation of the actuating element 16a or by actuation by means of a tool.
  • This limiting device 16 is advantageous, for example, when the movable furniture part 3 is in the installed position directly under a ceiling and a collision of the movable furniture part 3 with this ceiling is to be prevented when opening.
  • the levers 8, 14 together with the joint axes F, G, H, I form a four-bar linkage, the distance between the levers 8, 14 being able to be limited by the limiting device 16.
  • the actuating drive 4 also has a locking device 17 for locking a pivoted position of the actuating arm 6 .
  • This locking device 17 is advantageous when the movable furniture part 3 is not yet connected to the actuating arm 6, so that an uncontrolled deflection of the actuating arm 6 without a flap in the opening direction due to the torque exerted by the spring device 7 on the actuating arm 6 is prevented.
  • the locking device 17 comprises a manually actuated switching element 18 and a control part 19 which is movably mounted on the actuating arm 6 and which can be activated by mounting the movable furniture part 3 on the actuating arm 6 (ie can be acted upon by the fitting part 22) to be fastened to the movable furniture part 3.
  • a locking element 20 By exerting force on the switching element 18 and by exerting force on the control part 19 (namely by establishing the connection between the actuating arm 6 and the fitting part 22 by assembling the movable furniture part 3), a locking element 20, starting from a position locking the actuating arm 6, can be moved into a the actuating arm 6 releasing position along a slot 21 of the actuating arm 6 movably mounted.
  • the locking element 20 is designed as a cylindrical bolt.
  • a latching device 23 with a resilient latching lever is mounted on the actuating arm 6 , by which the actuating arm 6 can be detachably latched to the fitting part 22 to be fastened to the movable furniture part 3 .
  • At least one adjustment device 27 with an adjustment wheel is provided on the adjustment arm 6, a position of the adjustment arm 6 relative to the fitting part 22 being adjustable by rotating the adjustment wheel.
  • FIG. 2a shows the actuator 4 according to FIG Fig. 1b in a cross section.
  • the limiting device 16 for limiting the opening angle of the actuating arm 6 comprises a stop 24, a position of the stop 24 being adjustable, preferably steplessly, by actuating the actuating element 16a.
  • the actuating element 16a is mounted on the lever 8, the stop 24 acts in a position limiting the opening angle with the lever 14, preferably with a material thickness of the lever 14 together.
  • the actuating arm 6 is locked by the locking device 17 so that an unintentional opening or deflection of the actuating arm 6 is prevented in that pivoting range in which the spring device 7 acts on the actuating arm 6 in the opening direction.
  • the locking device 17 comprises the locking element 20, through which the joint axis I, the switching element 18 and the control part 19 can be locked together in a position locking the actuating arm 6.
  • the actuating arm 6 is locked in the closed position, with the locking element 20 being located in a first detent recess 28a of the lever 8 is recorded.
  • a second locking trough 28b is provided for locking the actuating arm 6 in an open position, wherein the actuating arm 6 can be received in the second locking trough 28b in the open position.
  • the switching element 18 is on the actuating arm 6 in the direction of the arrow 29 ( Figure 2b ) is movably mounted and has at least a first guideway 25 for the slidable mounting of the locking element 20 and a second guideway 26 for the slidable mounting of the joint axis I, the locking element 20 being actuated by manual actuation of the switching element 18 or by the actuation of the control part 19 in or along the first guide track 25 and the joint axis I are movably mounted in or along the second guide track 26 .
  • the control part 19 can be embodied as a lever mounted pivotably about an axis of rotation 30, with a first lever end of the lever (at reference number 19) being able to be acted upon by the fitting part 22 when the movable furniture part 3 is installed, and with a second lever end of the control part 19 being a guide 31 for the displaceable mounting of the locking element 20.
  • the fitting part 22 pre-assembled on the movable furniture part 3 is first hooked into a bearing 32 of the actuating arm 6, by subsequent pivoting the fitting part 22 (and thus the movable furniture part 3) can be locked with the locking lever of the locking device 23.
  • Figure 2b shows the in Figure 2a circled area in an enlarged view.
  • Figure 3a shows the actuator 4 according to the Figures 2a, 2b in an unlocked position of the actuating arm 6.
  • the fitting part 22 to be fastened to the movable furniture part 3 would act on the lever arm of the control part (at reference number 19) in a clockwise direction, so that the unlocking of the locking element 20 from the locking recess 28a and the movement sequences described above in one done in the same way.
  • the switching element 18 would then, by mounting the fitting part 22 on the actuating arm 6, by itself in the direction of the arrow 29 ( Figure 2b ) move. It is thus possible for the user to release the actuating arm 6 either by manually actuating the switching element 18 in the direction of the arrow 29 or alternatively by mounting the fitting part 22 on the actuating arm 6 . After unlocking, the actuating arm 6 can be moved further in the direction of the open position by exerting force on the switching element 18 in the direction of the arrow 29 .
  • Figure 4a shows a cross section of the actuator 4 with the actuating arm 6 in an open position
  • Figure 4b shows the in Figure 4a circled area in an enlarged view.
  • the actuating arm 6 can be moved in a controlled manner in the direction of the arrow 29 in the direction of the open position while maintaining the pressure exerted on the switching element 18 . If the manual exertion of pressure on the switching element 18 is released, the locking element 20 is locked by the force of a spring element 33 ( Figure 8b ) can be locked automatically with the second detent recess 28b of the lever 8, so that the actuating arm 6 is locked in the open position.
  • Figure 5a shows a cross section of the actuator 4 with the furniture part 3 mounted on the actuator arm 6.
  • the fitting part 22 attached to the furniture part 3 is first hooked with one end area into the bearing 32 of the actuator arm 6 and pivoted about this bearing 32 until the second End of the fitting part 22 with the resilient locking lever of the locking device 23 is releasably locked.
  • the control part 19 is pressed by the fitting part 22 about the axis of rotation 30 in a clockwise direction, so that the locking element 20 from the second locking recess 28b of the lever 8 is unlocked and the actuating arm 6 is released for pivoting movement.
  • Figure 5b shows the in Figure 5a circled area in an enlarged view.
  • Figure 6a shows the actuator 4 in a cross section, the actuator arm 6 in the closed position being connected to the movable furniture part 3 .
  • the fitting part 22 attached to the movable furniture part 3 is hooked into the bearing 32 of the actuating arm 6 and pivoted about this bearing 32 until the second end region of the fitting part 22 can be releasably locked with the locking lever of the locking device 23 .
  • Figure 7a shows a cross section of the actuator 4, the actuator arm 6 being connectable to the movable furniture part 3 in a half-open position.
  • the locking device 17 comprises a third detent recess 28c, in which the locking element 20 is accommodated.
  • the first, second and third locking recesses 28a, 28b, 28c can each be formed on a peripheral edge of the lever 8.
  • the locked actuating arm 6 is in an approximately 45° open position and can be unlocked either by exerting force on the switching element 18 or by mounting the movable furniture part 3 on the actuating arm 6 .
  • the linear guide tracks 25, 26 of the switching element 18 can be seen, the main longitudinal directions of the guide tracks 25, 26 running transversely to one another.
  • the guide 31 of the control part 19 can also be seen, along which the locking element 20 can be displaced.
  • Figure 8a shows the actuator 4 in a perspective, partially broken view.
  • the actuating arm 6 is mounted pivotably relative to the housing 5 via the levers 8 , 12 , 14 , the closing movement of the actuating arm 6 being able to be damped by a damping device 15 .
  • the actuating element 16a of the limiting device 16 which is mounted on the lever 8 and by means of which the maximum opening angle of the actuating arm 6 can be limited, can be seen.
  • Figure 8b shows the in Figure 8a encircled area in an enlarged view, wherein the locking element 20 can be unlocked by the switching element 18 and by the control part 19 optionally from three different detent recesses 28a, 28b, 28c.
  • the switching element 18 and/or the control part 19 are pretensioned by a spring element 33 in the direction of the locking position.
  • This spring element 33 serves to move the locking element 20 back into the locking position when the switching element 18 is not actuated or when the fitting part 22 is separated from the actuating arm 6, so that the actuating arm 6 can be automatically locked in its pivoted position by the force of the spring element 33 .
  • the spring element 33 is designed as a leg spring arranged on the axis of rotation 30, with a first end of the leg spring pressing against a counter-stop 34 of the actuating arm 6 and a second end of the leg spring pressing against the control part 19, so that the locking element 20 is always pressed with an in Direction of the locking recesses 28a, 28b, 28c acting force is applied.

Description

Die vorliegende Erfindung bezieht sich auf einen Stellantrieb zum Bewegen eines relativ zu einem Möbelkorpus bewegbar gelagerten Möbelteiles, umfassend:

  • zumindest einen schwenkbar gelagerten Stellarm zum Bewegen des bewegbaren Möbelteiles,
  • eine Federvorrichtung zur Kraftbeaufschlagung des Stellarmes,
  • eine Verriegelungsvorrichtung zum lösbaren Verriegeln des Stellarmes, wobei die Verriegelungsvorrichtung zumindest ein bewegbar gelagertes Verriegelungselement aufweist, welches in einer den Stellarm verriegelnden Stellung mit zumindest einer Rastmulde zusammenwirkt.
The present invention relates to an actuator for moving a furniture part that is movably mounted relative to a furniture body, comprising:
  • at least one pivotally mounted actuating arm for moving the movable furniture part,
  • a spring device for applying force to the actuating arm,
  • a locking device for releasably locking the actuating arm, the locking device having at least one movably mounted locking element which, in a position locking the actuating arm, interacts with at least one detent recess.

Stellantriebe mit einer Verriegelungsvorrichtung zum Arretieren einer Schwenklage des Stellarmes werden insbesondere zum Bewegen von Möbelklappen verwendet, die relativ zu einem Möbelkorpus hochbewegbar gelagert sind. Durch die Federvorrichtung ist das Gewicht der Möbelklappe zumindest teilweise kompensierbar, sodass die Bewegung der Möbelklappe von der Federvorrichtung unterstützt und somit auch die Bedienung für einen Benutzer erleichtert wird. Kritische Situationen können sich dann ergeben, wenn die Möbelklappe noch nicht mit dem Stellarm verbunden ist. In einem solchen Fall wirkt auf die Federvorrichtung kein Gegengewicht, sodass der klappenlose Stellarm durch die Kraft der beaufschlagenden Federvorrichtung unkontrolliert ausschlagen und dabei schwere Verletzungen des Montagepersonals oder Beschädigungen von Objekten verursachen kann.Actuators with a locking device for locking a pivoted position of the actuating arm are used in particular for moving furniture flaps that are mounted so that they can be moved upwards relative to a furniture body. The weight of the furniture flap can be at least partially compensated for by the spring device, so that the movement of the furniture flap is supported by the spring device and operation is therefore also made easier for a user. Critical situations can arise when the furniture flap is not yet connected to the actuating arm. In such a case, no counterweight acts on the spring device, so that the actuating arm without a flap can deflect in an uncontrolled manner due to the force of the spring device acting on it, thereby causing serious injuries to the assembly personnel or damage to objects.

Stellantriebe mit einer Verriegelungsvorrichtung zum lösbaren Arretieren einer Schwenklage des Stellarmes sind beispielsweise in der WO 2007/041736 A1 und in der WO 2011/011800 A2 gezeigt.Actuators with a locking device for releasably locking a pivoted position of the actuating arm are, for example, in WO 2007/041736 A1 and in the WO 2011/011800 A2 shown.

Aufgabe der vorliegenden Erfindung ist es, einen Stellantrieb der eingangs erwähnten Gattung mit einer komfortableren Entriegelungsmöglichkeit anzugeben.The object of the present invention is to specify an actuator of the type mentioned at the outset with a more convenient unlocking option.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.According to the invention, this is achieved by the features of patent claim 1 . Further advantageous developments of the invention are specified in the dependent claims.

Gemäß der Erfindung ist also vorgesehen, dass das Verriegelungselement sowohl durch ein manuell zu betätigendes Schaltelement als auch durch einen am Stellarm gelagerten Steuerteil, welcher durch eine Montage des bewegbaren Möbelteiles am Stellarm beaufschlagbar ist, von der zumindest einen Rastmulde entriegelbar ist.According to the invention, it is therefore provided that the locking element can be unlocked both by a manually operated switching element and by a control part mounted on the actuating arm, which can be acted upon by mounting the movable furniture part on the actuating arm, from the at least one locking recess.

Mit anderen Worten ist eine Verriegelungsvorrichtung mit einem bewegbar gelagerten Verriegelungselement vorgesehen, welches sowohl durch eine manuelle Betätigung eines Schaltelementes als auch durch die Montage des bewegbaren Möbelteiles am Stellarm aus einer den Stellarm verriegelnden Stellung entriegelbar ist. Für den Monteur vor Ort ergibt sich dadurch der Vorteil, dass der Stellarm wahlweise durch Handbetätigung oder auch durch eine Montage der Möbelklappe am Stellarm aus der Verriegelungsstellung lösbar ist, wobei das Schaltelement und das Steuerteil jeweils mit demselben Verriegelungselement zusammenwirken. Das Schaltelement und das Steuerteil sind, vorzugsweise durch das Verriegelungselement, miteinander bewegungsgekoppelt verbunden, sodass sich bei einer Bewegung des Schaltelementes auch das Steuerteil und bei einer Bewegung des Steuerteiles auch das Schaltelement mitbewegt.In other words, a locking device is provided with a movably mounted locking element, which can be unlocked from a position locking the adjusting arm both by manual actuation of a switching element and by mounting the movable furniture part on the adjusting arm. For the installer on site, this has the advantage that the actuating arm can be released from the locking position either manually or by mounting the furniture flap on the actuating arm, with the switching element and the control part each interacting with the same locking element. The switching element and the control part are connected to one another in a movement-coupled manner, preferably by the locking element, so that when the switching element moves, the control part also moves, and when the control part moves, the switching element also moves.

Das Schaltelement kann zwischen einer ersten Schaltstellung und einer zweiten Schaltstellung bewegbar gelagert sein, wobei in der ersten Schaltstellung das Verriegelungselement mit der zumindest einen Rastmulde verriegelt ist und dass in der zweiten Schaltstellung das Verriegelungselement von der Rastmulde entriegelbar ist. Das Schaltelement ist dabei zur Handbetätigung ausgebildet oder kann einen Adapter zur Aufnahme eines Werkzeuges aufweisen, wobei die Verriegelung zwischen dem Verriegelungselement und der zumindest einen Rastmulde durch Kraftausübung auf das Schaltelement lösbar ist.The switching element can be movably mounted between a first switching position and a second switching position, wherein in the first switching position the locking element is locked with the at least one locking recess and that in the second switching position the locking element of the Locking recess can be unlocked. The switching element is designed for manual operation or can have an adapter for receiving a tool, the locking between the locking element and the at least one latching recess being able to be released by exerting force on the switching element.

Wird die Kraftausübung auf das Schaltelement aufgehoben bzw. die Verbindung zwischen dem bewegbaren Möbelteil und dem Stellarm gelöst, so wird das Verriegelungselement durch die Kraft eines Federelementes sofort wieder in die Verriegelungsstellung bewegt, sodass der Stellarm in seiner Schwenklage verriegelt ist und damit nicht weiter in Richtung Offenstellung ausschlagen kann.If the exertion of force on the switching element is canceled or the connection between the movable furniture part and the actuating arm is released, the locking element is immediately moved back into the locking position by the force of a spring element, so that the actuating arm is locked in its pivoted position and thus no further in the direction Open position can turn down.

Gemäß einem Ausführungsbeispiel kann vorgesehen sein, dass der Stellarm durch das Zusammenwirken des Verriegelungselementes mit der zumindest einen Rastmulde in einer Schließstellung verriegelbar ist. Auf diese Weise ist das bewegbare Möbelteil mit dem in der Schließstellung befindlichen Stellarm verbindbar. Es kann aber auch zumindest eine zweite Rastmulde vorgesehen sein, wobei der Stellarm durch das Zusammenwirken des Verriegelungselementes mit der zweiten Rastmulde in einer Offenstellung verriegelbar ist. Falls zweckmäßig, kann eine dritte Rastmulde vorgesehen werden, wobei der Stellarm durch das Zusammenwirken des Verriegelungselementes mit der dritten Rastmulde in einer zwischen der Offenstellung und der Schließstellung befindlichen Zwischenstellung, welche vorzugsweise der halb geöffneten Stellung des Stellarmes entspricht, verriegelbar ist.According to an exemplary embodiment, it can be provided that the actuating arm can be locked in a closed position by the interaction of the locking element with the at least one locking recess. In this way, the movable furniture part can be connected to the actuating arm that is in the closed position. However, at least one second detent recess can also be provided, in which case the actuating arm can be locked in an open position by the interaction of the locking element with the second detent recess. If expedient, a third locking trough can be provided, the actuating arm being lockable by the interaction of the locking element with the third locking trough in an intermediate position between the open position and the closed position, which preferably corresponds to the half-open position of the actuating arm.

Insgesamt ergeben sich dadurch zumindest drei verschiedene Rastpositionen des Stellarmes (nämlich die Schließstellung, die Offenstellung und die halb geöffnete Stellung des Stellarmes), sodass der Stellarm in diesen drei vorgegebenen Schwenkstellungen mit der Möbelklappe verbindbar ist.Overall, this results in at least three different latching positions of the actuating arm (namely the closed position, the open position and the half-open position of the actuating arm), so that the actuating arm can be connected to the furniture flap in these three predetermined pivoted positions.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung ergeben sich anhand des in den Figuren gezeigten Ausführungsbeispiels. Dabei zeigt bzw. zeigen:

Fig. 1a, 1b
ein Möbel mit einem relativ zu einem Möbelkorpus bewegbar gelagerten Möbelteil sowie einen Stellantrieb zum Bewegen des bewegbaren Möbelteiles,
Fig. 2a, 2b
einen Querschnitt des Stellantriebes mit verriegeltem Stellarm sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 3a, 3b
einen Querschnitt des Stellantriebes mit entriegeltem Stellarm sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 4a, 4b
einen Querschnitt des Stellantriebes in einer Offenstellung des Stellarmes sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 5a, 5a
einen Querschnitt des Stellantriebes, wobei der Stellarm in der Offenstellung mit dem bewegbaren Möbelteil verbunden ist sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 6a, 6b
einen Querschnitt des Stellantriebes, wobei der Stellarm in der Schließstellung mit dem bewegbaren Möbelteil verbunden ist sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 7a, 7b
einen Querschnitt des Stellantriebes, wobei der Stellarm in einer halb geöffneten Stellung mit dem bewegbaren Möbelteil verbindbar ist sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 8a, 8b
der Stellantrieb in einer perspektivischen, teilweise aufgebrochenen Ansicht sowie eine vergrößerte Detaildarstellung hierzu.
Further details and advantages of the present invention result from the exemplary embodiment shown in the figures. It shows or shows:
Figures 1a, 1b
a piece of furniture with a furniture part that is movably mounted relative to a furniture body and an actuator for moving the movable furniture part,
Figures 2a, 2b
a cross section of the actuator with a locked actuator arm and an enlarged detailed view of this,
Figures 3a, 3b
a cross section of the actuator with unlocked actuator arm and an enlarged detailed view of this,
Figures 4a, 4b
a cross section of the actuator in an open position of the actuating arm and an enlarged detailed view of this,
Figures 5a, 5a
a cross section of the actuator, with the actuator arm being connected to the movable furniture part in the open position, and an enlarged detailed view of this,
Figures 6a, 6b
a cross section of the actuator, with the actuator arm being connected to the movable furniture part in the closed position, and an enlarged detailed view of this,
Figures 7a, 7b
a cross section of the actuator, wherein the actuator arm can be connected to the movable furniture part in a half-open position and an enlarged detailed view of this,
Figures 8a, 8b
the actuator in a perspective, partially broken view and an enlarged detailed view of this.

Fig. 1a zeigt eine perspektivische Darstellung eines Möbels 1, wobei ein bewegbares Möbelteil 3 durch einen Stellantrieb 4 um eine horizontal verlaufende Drehachse relativ zu einem Möbelkorpus 2 schwenkbar gelagert ist. Durch den Stellantrieb 4 ist das bewegbare Möbelteil 3 ausgehend von einer vertikalen Schließstellung in eine relativ zum Möbelkorpus 2 angehobene Lage (und in die umgekehrte Richtung) bewegbar. Der Stellantrieb 4 weist ein am Möbelkorpus 2 zu befestigendes Gehäuse 5 und zumindest einen relativ zum Gehäuse 5 schwenkbar gelagerten Stellarm 6 zum Bewegen des bewegbaren Möbelteiles 3 auf. Zur Kraftbeaufschlagung des Stellarmes 6 ist eine Federvorrichtung 7 vorgesehen, sodass die Bedienung des bewegbaren Möbelteiles 3 für einen Benutzer erleichtert wird. Der Stellarm 6 ist durch eine Rastvorrichtung 23 mit einem am bewegbaren Möbelteil 3 zu befestigenden Beschlagteil 22 lösbar verrastbar. Fig. 1a shows a perspective view of a piece of furniture 1, wherein a movable furniture part 3 by an actuator 4 by a horizontal running axis of rotation is pivoted relative to a furniture body 2. The movable furniture part 3 can be moved by the actuating drive 4 starting from a vertical closed position into a position which is raised relative to the furniture body 2 (and in the opposite direction). The actuating drive 4 has a housing 5 to be fastened to the furniture body 2 and at least one actuating arm 6 , which is pivotably mounted relative to the housing 5 , for moving the movable furniture part 3 . A spring device 7 is provided for applying force to the actuating arm 6, so that the operation of the movable furniture part 3 is made easier for a user. The actuating arm 6 can be releasably latched by a latching device 23 to a fitting part 22 to be fastened to the movable furniture part 3 .

Fig.1b zeigt den Stellantrieb 4 gemäß einem möglichen Ausführungsbeispiel. Am Gehäuse 5 ist die Federvorrichtung 7 (beispielsweise zumindest eine als Schraubenfeder ausgebildete Druckfeder) gelagert, welche sich an einer ortsfesten Gelenkachse A abstützt und gegen die Gelenkachse B drückt. Die Gelenkachse B ist an einem ersten Hebelende eines zweiarmigen Umlenkhebels 9 gelagert, welcher um die Gelenkachse C drehbar gelagert ist. Das zweite Hebelende des Umlenkhebels 9 steht über die Gelenkachse D mit einem Schubhebel 10 in Verbindung, welcher über einen Bolzen 11 mit einem um eine Drehachse E drehbaren Hebel 12 gelenkig verbunden ist. Durch eine Einstellvorrichtung 13 ist der Abstand des Bolzens 11 entlang einer Führung des Hebels 12 relativ zur Gelenkachse E und damit der wirksame Hebelarm zwischen dem Bolzen 11 und der Gelenkachse E veränderbar, sodass ein auf den Stellarm 6 ausgeübtes Drehmoment der Federvorrichtung 7 entsprechend dem jeweiligen Gewicht des bewegbaren Möbelteiles 3 einstellbar ist. Der Hebel 12 ist über die Gelenkachsen F, G mit Hebeln 8, 14 gelenkig verbunden, wobei die Hebel 8, 14 über die Gelenkachsen H, I mit dem Stellarm 6 schwenkbar verbunden sind. Der Stellantrieb 4 umfasst ferner eine Dämpfvorrichtung 15 in Form eines hydraulischen Fluiddämpfers, welcher im gezeigten Ausführungsbeispiel als Kolben-Zylinder-Einheit ausgeführt ist. Bei einer Schließbewegung des Stellarmes 6 trifft der um die Gelenkachse E schwenkbare Hebel 12 auf einen Stößel der Kolben-Zylinder-Einheit auf, woraufhin zur Ausführung eines Dämpfungshubes eine Relativbewegung zwischen dem Zylinder und dem Kolben der Dämpfvorrichtung 15 erfolgt und damit die Bewegung des Hebels 12 (und damit des bewegbaren Möbelteiles 3) gegen Ende der Schließbewegung bis hin zur vollständigen Schließstellung abgebremst wird. Fig.1b shows the actuator 4 according to a possible embodiment. The spring device 7 (for example at least one compression spring designed as a helical spring) is mounted on the housing 5 and is supported on a stationary articulation axis A and presses against the articulation axis B. The pivot axis B is mounted on a first lever end of a two-armed deflection lever 9 which is pivoted about the pivot axis C. The second lever end of the deflection lever 9 is connected via the articulation axis D to a thrust lever 10 which is articulated via a pin 11 to a lever 12 which can be rotated about an axis of rotation E. An adjustment device 13 can be used to change the spacing of the bolt 11 along a guide of the lever 12 relative to the joint axis E and thus the effective lever arm between the bolt 11 and the joint axis E, so that a torque of the spring device 7 exerted on the actuating arm 6 corresponds to the respective weight of the movable furniture part 3 is adjustable. The lever 12 is articulated to levers 8, 14 via the articulation axes F, G, the levers 8, 14 being pivotably connected to the actuating arm 6 via the articulation axes H, I. The actuator 4 also includes a damping device 15 in the form of a hydraulic fluid damper, which is designed as a piston-cylinder unit in the exemplary embodiment shown. When the actuating arm 6 closes, it hits the joint axis E pivotable lever 12 on a plunger of the piston-cylinder unit, whereupon a relative movement between the cylinder and the piston of the damping device 15 takes place to carry out a damping stroke and thus the movement of the lever 12 (and thus the movable furniture part 3) towards the end of the closing movement is braked until the fully closed position.

Der Möbelbeschlag 4 weist eine Begrenzungsvorrichtung 16 zur Begrenzung eines Öffnungswinkels einer relativen Schwenkbewegung des Stellarmes 6 und dem Gehäuse 5 auf, sodass also der maximale Schwenkweg des Stellarmes 6 (und damit jener des bewegbaren Möbelteiles 3) begrenzbar ist. Die Begrenzungsvorrichtung 16 umfasst ein am Hebel 8 bewegbar gelagertes Betätigungselement 16a, wobei durch eine manuelle oder durch eine mittels Werkzeug erfolgende Betätigung des Betätigungselementes 16a der maximale Öffnungswinkel des Stellarmes 6 einstellbar begrenzbar ist. Diese Begrenzungsvorrichtung 16 ist beispielsweise dann vorteilhaft, wenn sich das bewegbare Möbelteil 3 in Montagelage unmittelbar unter einer Raumdecke befindet und eine Kollision des bewegbaren Möbelteiles 3 mit dieser Raumdecke beim Öffnen verhindert werden soll. Im gezeigten Ausführungsbeispiel bilden die Hebel 8, 14 zusammen mit den Gelenkachsen F, G, H, I ein Gelenkviereck aus, wobei durch die Begrenzungsvorrichtung 16 der Abstand zwischen den Hebeln 8, 14 begrenzbar ist.The furniture fitting 4 has a limiting device 16 for limiting an opening angle of a relative pivoting movement of the actuating arm 6 and the housing 5, so that the maximum pivoting path of the actuating arm 6 (and thus that of the movable furniture part 3) can be limited. The limiting device 16 comprises an actuating element 16a which is movably mounted on the lever 8, the maximum opening angle of the actuating arm 6 being adjustably limitable by manual actuation of the actuating element 16a or by actuation by means of a tool. This limiting device 16 is advantageous, for example, when the movable furniture part 3 is in the installed position directly under a ceiling and a collision of the movable furniture part 3 with this ceiling is to be prevented when opening. In the exemplary embodiment shown, the levers 8, 14 together with the joint axes F, G, H, I form a four-bar linkage, the distance between the levers 8, 14 being able to be limited by the limiting device 16.

Der Stellantrieb 4 weist ferner eine Verriegelungsvorrichtung 17 zum Verriegeln einer Schwenklage des Stellarmes 6 auf. Diese Verriegelungsvorrichtung 17 ist dann von Vorteil, wenn das bewegbare Möbelteil 3 noch nicht mit dem Stellarm 6 verbunden ist, sodass ein unkontrolliertes Ausschlagen des klappenlosen Stellarmes 6 in Öffnungsrichtung aufgrund des von der Federvorrichtung 7 auf den Stellarm 6 ausgeübten Drehmomentes verhindert wird. Die Verriegelungsvorrichtung 17 umfasst ein manuell zu betätigendes Schaltelement 18 und ein am Stellarm 6 bewegbar gelagertes Steuerteil 19, welches durch die Montage des bewegbaren Möbelteiles 3 am Stellarm 6 (d.h. durch das am bewegbaren Möbelteil 3 zu befestigende Beschlagteil 22) beaufschlagbar ist. Durch Kraftausübung auf das Schaltelement 18 sowie durch Kraftausübung auf das Steuerteil 19 (nämlich durch die Herstellung der Verbindung zwischen dem Stellarm 6 und dem Beschlagteil 22 durch die Montage des bewegbaren Möbelteiles 3) ist ein Verriegelungselement 20 ausgehend von einer den Stellarm 6 verriegelnden Stellung in eine den Stellarm 6 freigebende Stellung entlang eines Langlochs 21 des Stellarmes 6 bewegbar gelagert. Das Verriegelungselement 20 ist im gezeigten Ausführungsbeispiel als zylindrischer Bolzen ausgeführt. Am Stellarm 6 ist eine Rastvorrichtung 23 mit einem federnden Rasthebel gelagert, durch welchen der Stellarm 6 mit dem am bewegbaren Möbelteil 3 zu befestigenden Beschlagteil 22 lösbar verrastbar ist. Am Stellarm 6 ist zumindest eine Einstellvorrichtung 27 mit einem Einstellrad vorhanden, wobei durch Drehung des Einstellrades eine Lage des Stellarmes 6 relativ zum Beschlagteil 22 einstellbar ist.The actuating drive 4 also has a locking device 17 for locking a pivoted position of the actuating arm 6 . This locking device 17 is advantageous when the movable furniture part 3 is not yet connected to the actuating arm 6, so that an uncontrolled deflection of the actuating arm 6 without a flap in the opening direction due to the torque exerted by the spring device 7 on the actuating arm 6 is prevented. The locking device 17 comprises a manually actuated switching element 18 and a control part 19 which is movably mounted on the actuating arm 6 and which can be activated by mounting the movable furniture part 3 on the actuating arm 6 (ie can be acted upon by the fitting part 22) to be fastened to the movable furniture part 3. By exerting force on the switching element 18 and by exerting force on the control part 19 (namely by establishing the connection between the actuating arm 6 and the fitting part 22 by assembling the movable furniture part 3), a locking element 20, starting from a position locking the actuating arm 6, can be moved into a the actuating arm 6 releasing position along a slot 21 of the actuating arm 6 movably mounted. In the exemplary embodiment shown, the locking element 20 is designed as a cylindrical bolt. A latching device 23 with a resilient latching lever is mounted on the actuating arm 6 , by which the actuating arm 6 can be detachably latched to the fitting part 22 to be fastened to the movable furniture part 3 . At least one adjustment device 27 with an adjustment wheel is provided on the adjustment arm 6, a position of the adjustment arm 6 relative to the fitting part 22 being adjustable by rotating the adjustment wheel.

Fig. 2a zeigt den Stellantrieb 4 gemäß Fig. 1b in einem Querschnitt. Die Begrenzungsvorrichtung 16 zur Begrenzung des Öffnungswinkels des Stellarmes 6 umfasst einen Anschlag 24, wobei durch eine Betätigung des Betätigungselementes 16a eine Lage des Anschlages 24, vorzugsweise stufenlos, einstellbar ist. Das Betätigungselement 16a ist am Hebel 8 gelagert, der Anschlag 24 wirkt in einer den Öffnungswinkel begrenzenden Stellung mit dem Hebel 14, vorzugsweise mit einer Materialstärke des Hebels 14, zusammen. In Fig. 2a ist der Stellarm 6 durch die Verriegelungsvorrichtung 17 verriegelt, sodass ein unbeabsichtigtes Öffnen bzw. Ausschlagen des Stellarmes 6 in jenem Schwenkbereich, in welchem die Federvorrichtung 7 den Stellarm 6 in Öffnungsrichtung beaufschlagt, verhindert ist. Figure 2a shows the actuator 4 according to FIG Fig. 1b in a cross section. The limiting device 16 for limiting the opening angle of the actuating arm 6 comprises a stop 24, a position of the stop 24 being adjustable, preferably steplessly, by actuating the actuating element 16a. The actuating element 16a is mounted on the lever 8, the stop 24 acts in a position limiting the opening angle with the lever 14, preferably with a material thickness of the lever 14 together. In Figure 2a the actuating arm 6 is locked by the locking device 17 so that an unintentional opening or deflection of the actuating arm 6 is prevented in that pivoting range in which the spring device 7 acts on the actuating arm 6 in the opening direction.

Die Verriegelungsvorrichtung 17 umfasst das Verriegelungselement 20, durch welches in einer den Stellarm 6 verriegelnden Stellung die Gelenkachse I, das Schaltelement 18 und das Steuerteil 19 miteinander verriegelbar sind. Der Stellarm 6 ist hierbei in der Schließstellung arretiert, wobei das Verriegelungselement 20 in einer ersten Rastmulde 28a des Hebels 8 aufgenommen ist. Zum Verriegeln des Stellarmes 6 in einer Offenstellung ist eine zweite Rastmulde 28b vorgesehen, wobei der Stellarm 6 in der Offenstellung in der zweiten Rastmulde 28b aufnehmbar ist. Das Schaltelement 18 ist in der gezeigten Figur am Stellarm 6 in Richtung des Pfeils 29 (Fig. 2b) bewegbar gelagert und weist zumindest eine erste Führungsbahn 25 zur verschiebbaren Lagerung des Verriegelungselementes 20 und eine zweite Führungsbahn 26 zur verschiebbaren Lagerung der Gelenkachse I auf, wobei das Verriegelungselement 20 durch eine manuelle Betätigung des Schaltelementes 18 oder durch die Beaufschlagung des Steuerteiles 19 in oder entlang der ersten Führungsbahn 25 und die Gelenkachse I in oder entlang der zweiten Führungsbahn 26 bewegbar gelagert sind. Das Steuerteil 19 kann als ein um eine Drehachse 30 schwenkbar gelagerter Hebel ausgebildet sein, wobei ein erstes Hebelende des Hebels (bei Bezugszeichen 19) bei der Montage des bewegbaren Möbelteiles 3 durch das Beschlagteil 22 beaufschlagbar ist und wobei ein zweites Hebelende des Steuerteiles 19 eine Führung 31 zur verschiebbaren Lagerung des Verriegelungselementes 20 aufweist. Bei der Montage des bewegbaren Möbelteiles 3 wird zunächst das am bewegbaren Möbelteil 3 vormontierte Beschlagteil 22 in ein Lager 32 des Stellarmes 6 eingehängt, durch anschließendes Verschwenken ist das Beschlagteil 22 (und damit das bewegbare Möbelteil 3) mit dem Rasthebel der Rastvorrichtung 23 verrastbar. Fig. 2b zeigt den in Fig. 2a eingekreisten Bereich in einer vergrößerten Ansicht.The locking device 17 comprises the locking element 20, through which the joint axis I, the switching element 18 and the control part 19 can be locked together in a position locking the actuating arm 6. The actuating arm 6 is locked in the closed position, with the locking element 20 being located in a first detent recess 28a of the lever 8 is recorded. A second locking trough 28b is provided for locking the actuating arm 6 in an open position, wherein the actuating arm 6 can be received in the second locking trough 28b in the open position. In the figure shown, the switching element 18 is on the actuating arm 6 in the direction of the arrow 29 ( Figure 2b ) is movably mounted and has at least a first guideway 25 for the slidable mounting of the locking element 20 and a second guideway 26 for the slidable mounting of the joint axis I, the locking element 20 being actuated by manual actuation of the switching element 18 or by the actuation of the control part 19 in or along the first guide track 25 and the joint axis I are movably mounted in or along the second guide track 26 . The control part 19 can be embodied as a lever mounted pivotably about an axis of rotation 30, with a first lever end of the lever (at reference number 19) being able to be acted upon by the fitting part 22 when the movable furniture part 3 is installed, and with a second lever end of the control part 19 being a guide 31 for the displaceable mounting of the locking element 20. When assembling the movable furniture part 3, the fitting part 22 pre-assembled on the movable furniture part 3 is first hooked into a bearing 32 of the actuating arm 6, by subsequent pivoting the fitting part 22 (and thus the movable furniture part 3) can be locked with the locking lever of the locking device 23. Figure 2b shows the in Figure 2a circled area in an enlarged view.

Fig. 3a zeigt den Stellantrieb 4 gemäß den Figuren 2a, 2b in einer entriegelten Stellung des Stellarmes 6. Wird das Schaltelement 18 ausgehend von Fig. 2b durch manuelle Kraftausübung in Richtung des eingezeichneten Pfeils 29 bewegt, so wird das Verriegelungselement 20 aus der Rastmulde 28a bewegt und entlang der ersten Führungsbahn 25 des Schaltelementes 18 verschoben, die Gelenkachse I wird entlang der zweiten Führungsbahn 26 des Schaltelementes 18 bewegt, das Steuerteil 19 wird um die Drehachse 30 verschwenkt und das Verriegelungselement 20 wird entlang der Führung 31 des Steuerteiles 19 verschoben. Nichts anderes erfolgt bei der Montage des bewegbaren Möbelteiles 3 am Stellarm 6. In diesem Fall würde das am bewegbaren Möbelteil 3 zu befestigende Beschlagteil 22 den Hebelarm des Steuerteiles (bei Bezugszeichen 19) im Uhrzeigersinn beaufschlagen, sodass die Entriegelung des Verriegelungselementes 20 von der Rastmulde 28a und die oben beschriebenen Bewegungsabläufe in einer identischen Weise erfolgen. Das Schaltelement 18 würde sich dann, durch die Montage des Beschlagteiles 22 am Stellarm 6, von selbst in Richtung des eingezeichneten Pfeils 29 (Fig. 2b) bewegen. Für den Benutzer ist es somit möglich, entweder durch eine manuelle Betätigung des Schaltelementes 18 in Richtung des Pfeils 29 oder wahlweise durch die Montage des Beschlagteiles 22 am Stellarm 6 eine Entriegelung des Stellarmes 6 herbeizuführen. Nach erfolgter Entriegelung ist der Stellarm 6 durch Kraftausübung auf das Schaltelement 18 in Richtung des Pfeils 29 weiter in Richtung Offenstellung bewegbar. Figure 3a shows the actuator 4 according to the Figures 2a, 2b in an unlocked position of the actuating arm 6. If the switching element 18 starting from Figure 2b by manual exertion of force in the direction of the arrow 29 shown, the locking element 20 is moved out of the locking recess 28a and along the first guideway 25 of the switching element 18, the joint axis I is moved along the second guideway 26 of the switching element 18, and the control part 19 becomes pivoted about the axis of rotation 30 and the locking element 20 is displaced along the guide 31 of the control part 19 . Nothing else is done when assembling the movable furniture part 3 on the actuating arm 6. In this case, the fitting part 22 to be fastened to the movable furniture part 3 would act on the lever arm of the control part (at reference number 19) in a clockwise direction, so that the unlocking of the locking element 20 from the locking recess 28a and the movement sequences described above in one done in the same way. The switching element 18 would then, by mounting the fitting part 22 on the actuating arm 6, by itself in the direction of the arrow 29 ( Figure 2b ) move. It is thus possible for the user to release the actuating arm 6 either by manually actuating the switching element 18 in the direction of the arrow 29 or alternatively by mounting the fitting part 22 on the actuating arm 6 . After unlocking, the actuating arm 6 can be moved further in the direction of the open position by exerting force on the switching element 18 in the direction of the arrow 29 .

Fig. 4a zeigt einen Querschnitt des Stellantriebes 4 mit dem Stellarm 6 in einer Offenstellung, Fig. 4b zeigt den in Fig. 4a eingekreisten Bereich in einer vergrößerten Ansicht. Der Stellarm 6 kann unter Aufrechterhaltung der Druckausübung auf das Schaltelement 18 in Richtung des Pfeils 29 kontrolliert in Richtung Offenstellung bewegt werden. Wird die manuelle Druckausübung auf das Schaltelement 18 aufgehoben, so ist das Verriegelungselement 20 durch die Kraft eines Federelementes 33 (Fig. 8b) mit der zweiten Rastmulde 28b des Hebels 8 selbsttätig verrastbar, sodass der Stellarm 6 in der Offenstellung verriegelt ist. Figure 4a shows a cross section of the actuator 4 with the actuating arm 6 in an open position, Figure 4b shows the in Figure 4a circled area in an enlarged view. The actuating arm 6 can be moved in a controlled manner in the direction of the arrow 29 in the direction of the open position while maintaining the pressure exerted on the switching element 18 . If the manual exertion of pressure on the switching element 18 is released, the locking element 20 is locked by the force of a spring element 33 ( Figure 8b ) can be locked automatically with the second detent recess 28b of the lever 8, so that the actuating arm 6 is locked in the open position.

Fig. 5a zeigt einen Querschnitt des Stellantriebes 4 mit dem am Stellarm 6 montierten Möbelteil 3. Das am Möbelteil 3 befestigte Beschlagteil 22 wird bei der Montage zunächst mit einem Endbereich in das Lager 32 des Stellarmes 6 eingehängt und um dieses Lager 32 so lange verschwenkt, bis der zweite Endbereich des Beschlagteiles 22 mit dem federnden Rasthebel der Rastvorrichtung 23 lösbar verrastbar ist. Durch diese Montage wird das Steuerteil 19 vom Beschlagteil 22 um die Drehachse 30 im Uhrzeigersinn gedrückt, sodass das Verriegelungselement 20 aus der zweiten Rastmulde 28b des Hebels 8 entriegelt und der Stellarm 6 für eine Schwenkbewegung freigegeben wird. Fig. 5b zeigt den in Fig. 5a eingekreisten Bereich in einer vergrößerten Ansicht. Figure 5a shows a cross section of the actuator 4 with the furniture part 3 mounted on the actuator arm 6. During assembly, the fitting part 22 attached to the furniture part 3 is first hooked with one end area into the bearing 32 of the actuator arm 6 and pivoted about this bearing 32 until the second End of the fitting part 22 with the resilient locking lever of the locking device 23 is releasably locked. By this assembly, the control part 19 is pressed by the fitting part 22 about the axis of rotation 30 in a clockwise direction, so that the locking element 20 from the second locking recess 28b of the lever 8 is unlocked and the actuating arm 6 is released for pivoting movement. Figure 5b shows the in Figure 5a circled area in an enlarged view.

Fig. 6a zeigt den Stellantrieb 4 in einem Querschnitt, wobei der in der Schließstellung befindliche Stellarm 6 mit dem bewegbaren Möbelteil 3 verbunden ist. Ausgehend von der in Fig. 2a gezeigten Stellung, in welcher der Stellarm 6 in der Schließstellung durch das Verriegelungselement 20 verriegelt ist, wird das am bewegbaren Möbelteil 3 befestigte Beschlagteil 22 in das Lager 32 des Stellarmes 6 eingehängt und um dieses Lager 32 so lange verschwenkt, bis der zweite Endbereich des Beschlagteiles 22 mit dem Rasthebel der Rastvorrichtung 23 lösbar verrastbar ist. Durch diese Montage wird das Steuerteil 19 vom Beschlagteil 22 um die Drehachse 30 im Uhrzeigersinn gedrückt, sodass das Verriegelungselement 20 aus der ersten Rastmulde 28a des Hebels 8 entriegelt und der Stellarm 6 für eine Schwenkbewegung freigegeben wird. Fig. 6b zeigt den in Fig. 6a eingekreisten Bereich in einer vergrößerten Ansicht. Figure 6a shows the actuator 4 in a cross section, the actuator arm 6 in the closed position being connected to the movable furniture part 3 . Starting from the in Figure 2a shown position, in which the actuating arm 6 is locked in the closed position by the locking element 20, the fitting part 22 attached to the movable furniture part 3 is hooked into the bearing 32 of the actuating arm 6 and pivoted about this bearing 32 until the second end region of the fitting part 22 can be releasably locked with the locking lever of the locking device 23 . As a result of this assembly, the control part 19 is pressed by the fitting part 22 about the axis of rotation 30 in a clockwise direction, so that the locking element 20 is unlocked from the first detent recess 28a of the lever 8 and the actuating arm 6 is released for a pivoting movement. Figure 6b shows the in Figure 6a circled area in an enlarged view.

Fig. 7a zeigt einen Querschnitt des Stellantriebes 4, wobei der Stellarm 6 in einer halb geöffneten Stellung mit dem bewegbaren Möbelteil 3 verbindbar ist. Die Verriegelungsvorrichtung 17 umfasst hierfür eine dritte Rastmulde 28c, in welcher das Verriegelungselement 20 aufgenommen ist. Die erste, zweite und dritte Rastmulde 28a, 28b, 28c können dabei jeweils an einem Umfangsrand des Hebels 8 ausgebildet sein. Der verriegelte Stellarm 6 befindet sich etwa in einer 45° Offenstellung und ist entweder durch Kraftausübung auf das Schaltelement 18 oder durch die Montage des bewegbaren Möbelteils 3 am Stellarm 6 entriegelbar. Erkennbar sind die linearen Führungsbahnen 25, 26 des Schaltelementes 18, wobei die Hauptlängsrichtungen der Führungsbahnen 25, 26 quer zueinander verlaufen. Auch ist die Führung 31 des Steuerteiles 19 erkennbar, entlang welcher das Verriegelungselement 20 verschiebbar ist. Figure 7a shows a cross section of the actuator 4, the actuator arm 6 being connectable to the movable furniture part 3 in a half-open position. For this purpose, the locking device 17 comprises a third detent recess 28c, in which the locking element 20 is accommodated. The first, second and third locking recesses 28a, 28b, 28c can each be formed on a peripheral edge of the lever 8. The locked actuating arm 6 is in an approximately 45° open position and can be unlocked either by exerting force on the switching element 18 or by mounting the movable furniture part 3 on the actuating arm 6 . The linear guide tracks 25, 26 of the switching element 18 can be seen, the main longitudinal directions of the guide tracks 25, 26 running transversely to one another. The guide 31 of the control part 19 can also be seen, along which the locking element 20 can be displaced.

Fig. 8a zeigt den Stellantrieb 4 in einer perspektivischen, teilweise aufgebrochenen Ansicht. Der Stellarm 6 ist über die Hebel 8, 12, 14 relativ zum Gehäuse 5 schwenkbar gelagert, wobei die Schließbewegung des Stellarmes 6 durch eine Dämpfvorrichtung 15 dämpfbar ist. Erkennbar ist das am Hebel 8 gelagerte Betätigungselement 16a der Begrenzungsvorrichtung 16, durch die der maximale Öffnungswinkel des Stellarmes 6 begrenzbar ist. Fig. 8b zeigt den in Fig. 8a eingekreisten Bereich in einer vergrößerten Ansicht, wobei das Verriegelungselement 20 durch das Schaltelement 18 und durch das Steuerteil 19 wahlweise aus drei verschiedenen Rastmulden 28a, 28b, 28c entriegelbar ist. Das Schaltelement 18 und/oder das Steuerteil 19 sind durch ein Federelement 33 in Richtung Verriegelungsstellung vorgespannt. Dieses Federelement 33 dient dazu, das Verriegelungselement 20 bei Nicht-Betätigung des Schaltelementes 18 bzw. durch ein Trennen des Beschlagteiles 22 vom Stellarm 6 wieder in die Verriegelungsposition zu bewegen, sodass der Stellarm 6 durch die Kraft des Federelementes 33 selbsttätig in seiner Schwenklage verriegelbar ist. Das Federelement 33 ist im gezeigten Ausführungsbeispiel als eine an der Drehachse 30 angeordnete Schenkelfeder ausgebildet, wobei ein erstes Ende der Schenkelfeder an einem Gegenanschlag 34 des Stellarmes 6 und ein zweites Ende der Schenkelfeder gegen das Steuerteil 19 drückt, sodass das Verriegelungselement 20 stets mit einer in Richtung der Rastmulden 28a, 28b, 28c wirkenden Kraft beaufschlagt ist. Figure 8a shows the actuator 4 in a perspective, partially broken view. The actuating arm 6 is mounted pivotably relative to the housing 5 via the levers 8 , 12 , 14 , the closing movement of the actuating arm 6 being able to be damped by a damping device 15 . The actuating element 16a of the limiting device 16, which is mounted on the lever 8 and by means of which the maximum opening angle of the actuating arm 6 can be limited, can be seen. Figure 8b shows the in Figure 8a encircled area in an enlarged view, wherein the locking element 20 can be unlocked by the switching element 18 and by the control part 19 optionally from three different detent recesses 28a, 28b, 28c. The switching element 18 and/or the control part 19 are pretensioned by a spring element 33 in the direction of the locking position. This spring element 33 serves to move the locking element 20 back into the locking position when the switching element 18 is not actuated or when the fitting part 22 is separated from the actuating arm 6, so that the actuating arm 6 can be automatically locked in its pivoted position by the force of the spring element 33 . In the exemplary embodiment shown, the spring element 33 is designed as a leg spring arranged on the axis of rotation 30, with a first end of the leg spring pressing against a counter-stop 34 of the actuating arm 6 and a second end of the leg spring pressing against the control part 19, so that the locking element 20 is always pressed with an in Direction of the locking recesses 28a, 28b, 28c acting force is applied.

Claims (12)

  1. An actuating drive (4) for moving a furniture part (3) movably-mounted relative to a furniture carcass (2), comprising:
    - at least one pivotally mounted actuating arm (6) for moving the movable furniture part (3),
    - a spring device (7) for applying a force to the actuating arm (6),
    - a locking device (17) for releasably locking the actuating arm (6), the locking device (17) including at least one movably-supported locking element (20) cooperating with at least one locking recess (28a) in a position in which the actuating arm (6) is locked,
    - wherein the locking element (20) can be unlocked from the at least one locking recess (28a) by a switch element (18) to be operated manually and also by a control portion (19) arranged on the actuating arm (19), wherein the control portion (19) can be acted upon by mounting the movable furniture part (3) to the actuating arm (6),
    characterized in that the locking element (20) is configured as a cylindrical pin, wherein the switch element (18) includes at least one first guide track (25), wherein the locking element (20) is movably supported in or along the at least one guide track (25) by a manual actuation of the switch element (18) or by acting upon the control portion (19).
  2. The actuating drive according to claim 1, characterized in that the actuating arm (6), in a closed position, can be locked by the cooperation of the locking element (20) with the at least one locking recess (28a).
  3. The actuating drive according to claim 1 or 2, characterized in that at least one second locking recess (28b) is provided, wherein the actuating arm (6), in an open position, can be locked by a cooperation of the locking element (20) with the second locking recess (28b).
  4. The actuating drive according to claim 3, characterized in that at least a third locking recess (28c) is provided, wherein the actuating arm (6), in an intermediate position located between the open position and the closed position and which preferably corresponds to the half-open position of the actuating arm (6), can be locked by a cooperation of the locking element (20) with the third locking recess (28c).
  5. The actuating drive according to one of the claims 1 to 4, characterized in that the switch element (18) is movably supported between a first switching position and a second switching position, wherein in the first switching position, the locking element (20) is locked with the at least one locking recess (28a), and in the second switching position, the locking element (20) can be unlocked from the at least one locking recess (28a).
  6. The actuating drive according to one of the claims 1 to 5, characterized in that the switch element (18) is movably arranged on the actuating arm (6).
  7. The actuating drive according to one of the claims 1 to 6, characterized in that the switch element (18) includes a second guide track (26), wherein a hinge axis member (I) of the actuating arm (6) is movably supported in or along the second guide track (26) by a manual actuation of the switch element (18) or by acting upon the control portion (19).
  8. The actuating drive according to one of the claims 1 to 7, characterized in that the control portion (19) is configured as a lever having two lever ends, the lever being pivotally mounted about a pivoting axis (30), a first lever end of the lever can be acted upon by a fitting portion (22) to be fixed to the movable furniture part (3) when the movable furniture part (3) is mounted to the actuating arm (6), and a second lever end of the lever has a guide (31) in or along which the locking element (20) is displaceably supported.
  9. The actuating drive according to claim 8, characterized in that the actuating arm (6) can be releasably latched to the fitting portion (22) to be fixed to the movable furniture part (3) by a latching device (23).
  10. The actuating drive according to one of the claims 1 to 9, characterized in that the actuating arm (6) is pivotally connected to a lever (8) via a hinge axis member (I), wherein the locking device (17) is operative between the actuating arm (6) and the lever (8).
  11. The actuating drive according to claim 10, characterized in that the at least one locking recess (28a) is formed or arranged on the lever (8).
  12. The actuating drive according to one of the claims 1 to 11, characterized in that the switch element (18) and/or the control portion (19) is or are pre-stressed in a direction towards the locking position by a spring element (33).
EP20160576.3A 2016-06-22 2017-04-13 Actuator for parts of furniture Active EP3683389B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA50564/2016A AT518253B1 (en) 2016-06-22 2016-06-22 Actuator for furniture parts
EP17719799.3A EP3475507B1 (en) 2016-06-22 2017-04-13 Actuator for furniture parts
PCT/AT2017/060094 WO2017219054A1 (en) 2016-06-22 2017-04-13 Actuator for furniture parts

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP17719799.3A Division EP3475507B1 (en) 2016-06-22 2017-04-13 Actuator for furniture parts
EP17719799.3A Division-Into EP3475507B1 (en) 2016-06-22 2017-04-13 Actuator for furniture parts

Publications (2)

Publication Number Publication Date
EP3683389A1 EP3683389A1 (en) 2020-07-22
EP3683389B1 true EP3683389B1 (en) 2023-07-19

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EP20160576.3A Active EP3683389B1 (en) 2016-06-22 2017-04-13 Actuator for parts of furniture
EP17719799.3A Active EP3475507B1 (en) 2016-06-22 2017-04-13 Actuator for furniture parts

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US (1) US10494846B2 (en)
EP (2) EP3683389B1 (en)
JP (2) JP6869272B2 (en)
CN (2) CN111809992B (en)
AT (1) AT518253B1 (en)
DE (1) DE202017007241U1 (en)
ES (2) ES2961563T3 (en)
HU (2) HUE064167T2 (en)
WO (1) WO2017219054A1 (en)

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AT514720B1 (en) 2013-08-30 2016-03-15 Blum Gmbh Julius locking device
AT516783B1 (en) * 2015-02-13 2017-05-15 Blum Gmbh Julius Support device for a furniture flap
DE102015102393A1 (en) * 2015-02-19 2016-08-25 Hettich Holding Gmbh & Co. Ohg swivel fitting
CN105971422A (en) * 2016-07-01 2016-09-28 伍志勇 Adjustment and optimization mechanism for furniture tilt-up doors

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DE202017007241U1 (en) 2020-03-12
JP2021063432A (en) 2021-04-22
HUE055508T2 (en) 2021-11-29
JP2019522743A (en) 2019-08-15
ES2884354T3 (en) 2021-12-10
EP3475507B1 (en) 2021-06-02
CN111809992A (en) 2020-10-23
AT518253B1 (en) 2017-09-15
EP3683389A1 (en) 2020-07-22
HUE064167T2 (en) 2024-02-28
CN109415918B (en) 2020-09-01
AT518253A4 (en) 2017-09-15
JP6869272B2 (en) 2021-05-12
CN111809992B (en) 2021-11-26
US20190106918A1 (en) 2019-04-11
JP7155305B2 (en) 2022-10-18
EP3475507A1 (en) 2019-05-01
US10494846B2 (en) 2019-12-03
WO2017219054A1 (en) 2017-12-28
ES2961563T3 (en) 2024-03-12
CN109415918A (en) 2019-03-01

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