EP2678505B1 - Actuating drive for moving a furniture flap - Google Patents

Actuating drive for moving a furniture flap Download PDF

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Publication number
EP2678505B1
EP2678505B1 EP11805369.3A EP11805369A EP2678505B1 EP 2678505 B1 EP2678505 B1 EP 2678505B1 EP 11805369 A EP11805369 A EP 11805369A EP 2678505 B1 EP2678505 B1 EP 2678505B1
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EP
European Patent Office
Prior art keywords
adjusting screw
actuating
screw
actuating drive
thread
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
EP11805369.3A
Other languages
German (de)
French (fr)
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EP2678505A1 (en
Inventor
Johannes Blum
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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Publication date
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Publication of EP2678505A1 publication Critical patent/EP2678505A1/en
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Classifications

    • 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
    • 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
    • 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
    • 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
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/38—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening
    • E06B3/385—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening specially adapted for furniture
    • 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
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/262—Suspension arrangements for wings for folding wings folding vertically
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/422—Function thereof for opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/606—Accessories therefor
    • E05Y2201/618—Transmission ratio variation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/696—Screw mechanisms
    • E05Y2201/702—Spindles; Worms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/20—Adjustable with specific transmission movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention relates to an arrangement with an actuator of the type to be described and with a flap of a piece of furniture, which is movably supported by the actuator between a vertical closed position and an upwardly moved open position.
  • An actuator with an actuator arm, a spring acting on the actuator spring device to balance the weight of the flap and with an adjustment for adjusting the force acting on the actuator arm pivoting moment is for example in the WO 2006/005086 A1 the applicant described.
  • This actuator comprises a pivotally mounted intermediate lever, which pivots the adjusting arm via a pressure roller and a setting contour, wherein the distance between the point of application of the spring device is adjustable relative to the axis of rotation of the intermediate lever by an adjusting device.
  • the adjusting device can comprise a rotatably mounted threaded spindle, the point of application of the Spring device relative to the threaded spindle by rotation of the same within predetermined limits is adjustable.
  • U1 is a spring door hinge described with a rotary axis part, which is biased by a spring element.
  • the rotary axle part is provided with a thread, wherein by biasing or unscrewing the rotary axle part relative to a joint sleeve, the bias of the spring element is variable and adjustable. About a grub screw, the axial and radial position of the rotary axis part can be locked.
  • Object of the present invention is therefore to propose an actuator of the type mentioned, wherein the adjustment of the spring force is simplified.
  • the adjusting screw has a separate from the thread escapement, which prevents unintentional rotational movement of the adjusting screw.
  • the inhibitor is effective between the adjusting screw and a, preferably fixed to the housing, abutment of the actuator.
  • the escapement device comprises surface elements which are arranged or formed on the adjusting screw and which interact with the abutment of the actuating drive. These surface elements may be arranged or formed on a screw head, preferably on the underside and / or on a peripheral edge of the adjusting screw. Possible embodiments result from the fact that the surface elements are formed as nubs, grooves, teeth, tips, elevations, depressions and / or as a relief-like structure which cooperate with the intended abutment of the actuator non-positively and / or at least partially positively.
  • the arrangement according to the invention has an actuator of the type in question and a flap of a piece of furniture, which is movably supported by the actuator between a vertical closed position and an upwardly moved open position.
  • Fig. 1a shows a piece of furniture 1 with a furniture body 2 and a relative to the furniture body 2 harnessbewegbaren flap 4 in a perspective view.
  • an actuator 5 is mounted with a pivotally mounted actuating arm 6 for moving the flap 4.
  • a spring device 8 is provided, which the adjusting arm 6 with a pivoting moment in Applied opening direction.
  • the spring device 8 acts firstly about an adjusting lever 7, which is mounted pivotably about the rotation axis (P) and has a transmission mechanism (not shown here) (for example via a lever mechanism and / or via a control contour of the flap 4 influencing the movement behavior of the flap 4).
  • the actuator arm 6 is pivoted.
  • Fig. 1b shows the in Fig. 1 a circled area in an enlarged view, wherein the adjusting device 20 is shown for adjusting the force acting on the actuating arm 6 pivoting moment.
  • the spring device 8 acts on a nut 10, which is displaceably mounted along a screw shank 9 of an adjusting screw 11.
  • the adjusting screw 11 is rotatable on the adjusting lever 7, but mounted substantially axially immovable.
  • the adjusting lever 7 has an opening 12 through which a screwdriver can be passed and attached laterally to the screw head of the adjusting screw 11, wherein the longitudinal direction of an attached to the adjusting screw 11 screwdriver and the longitudinal axis of the adjusting screw 11 form an angle of about 90 °.
  • the nut 10 can be moved along the screw shank 9, so that the position of the point of the spring device 8 relative to the axis of rotation (P) ( Fig. 1 a) of the actuating lever 7 is variable, so that the point of the spring device 8 relative to the axis of rotation (P) of the actuating lever 7 in the directions of the double arrow is drawn to and from this away adjustable.
  • the reference numeral 13 is an abutment which cooperates with the adjusting screw 11.
  • Fig. 2a shows a possible embodiment of an actuator 5 in a perspective view.
  • the actuator 5 has a housing 14, wherein the spring device 8 is supported via a spring holder 17 on a housing-fixed spring base 16.
  • the spring holder 17 is designed to receive at least one (or more) spring device (s) 8.
  • the Spring device 8 comprises at least one coil spring (in particular a compression spring) which presses against the nut 10.
  • the nut 10 is adjustable by a rotation of the adjusting screw 11 along the screw shank 9 relative to the axis of rotation (P) of the adjusting lever 7.
  • the two-armed lever 7 acts as a reversing lever, which transmits the force of the spring device 8 via the transmission lever 15a, 15b, 15c and 15d on the actuator arm 6 and the actuator arm 6 pivots about the adjusting axis (S).
  • Fig. 2b shows the in Fig. 2a circled area in an enlarged view.
  • Recognizable is the adjusting screw 11, which has a screw head 11a and an adjoining screw shank 9 with a thread.
  • an inhibiting device 19 which is effective between the screw head 11a and an abutment 13.
  • the inhibiting device 19 comprises in the figure shown - preferably knob-shaped - surface elements 18, which can be arranged on the underside and / or on the peripheral edge of the screw head 11a.
  • the nub-shaped surface elements 18 are - due to the acting force of the spring device 8 - with pressure on the housing-fixed abutment 13 of the housing 14 at.
  • the abutment 13 is formed in the illustrated embodiment as a bolt on which the knob-shaped surface elements 18 are supported.
  • the cambered surface elements 18 are each supported on the abutment 13, whereby the screw head 11 a at regular intervals in each case lifted by the height of the knob-shaped surface elements 18 relative to the abutment 13 and against the force of the spring device 8 is, so that the adjusting screw 11 can be positioned in predetermined rotational positions.
  • the screw shaft 9 can also be provided with threads, which upon actuation of the adjusting screw 11, a quick adjustment of the nut 10 relative to the screw shaft. 9 enable.
  • the thread of the screw shank 9 may be formed, for example, as a thread with a high pitch and / or as a two- or multi-start thread.
  • the use of a two- or multi-start thread has the advantage that the load capacity of the seat of the nut 10 is improved on the screw shaft 9 against a catchy thread with high pitch.
  • Fig. 3a shows a perspective view of the control lever 7, on which the adjusting device 20 is mounted.
  • the adjusting lever 7 is pivotally mounted in the position of use about the axis of rotation (P).
  • P axis of rotation
  • a plurality of surface elements 18 are arranged distributed in the region of the peripheral edge of the screw head 11a, which are respectively supported on the abutment 13 in the form of the bolt.
  • Fig. 3b shows the in Fig. 3a circled area in an enlarged view.
  • Fig. 4a shows a possible embodiment of an adjusting screw 11 in a perspective view.
  • a plurality of surface elements 18 are arranged, which cooperate with an abutment 13 of the actuator 5 respectively.
  • the screw shaft 9 is provided with a thread 21, which has a two or more pitch compared to a standard thread. In this way, even at low rotations of the adjusting screw 11, a correspondingly high adjustment of the nut 10 can be brought about.
  • Fig. 4b shows an alternative embodiment of the adjusting screw 11, wherein the thread 21 is designed as a multi-start, preferably three-threaded thread 21.
  • the pitch of the thread 21 according to Fig. 4b can be as high as the pitch of the thread 21 in Fig. 4a executed, however, the load capacity of the seat of the nut 10 is improved, as compared to Fig. 4a several screw threads of the thread 21 are accommodated simultaneously in the nut 10.
  • Multi-start thread 21 have a relatively large pitch angle and can already bring about a strong axial displacement of the nut 10 with a partial rotation of the adjusting screw 11.
  • Fig. 4c shows the adjusting screw 11 according to Fig. 4b in a side view
  • Fig. 4d shows an enlarged view of the in Fig. 4b circled area, wherein two offset by 120 ° threads 21 a, 21 b expire at the end of the screw shaft 9.
  • the pitch of the thread 21 may be at least 1.6 mm, preferably at least 2.4 mm.
  • Fig. 5a-5d show various embodiments of the inhibiting device 19 for inhibiting uncontrolled twisting movement of the adjusting screw 11
  • Fig. 5a are formed on the underside of the screw head 11a noppenfömige surface elements 18, which are supported to inhibit uncontrolled rotational movement of the adjusting screw 11 on the abutment 13.
  • Fig. 5b a relief-like structure of the surface elements 18 can be seen, which is also located on the underside of the screw head 11a and which cooperates with the abutment 13.
  • Fig. 5c is a surface element 18 in the form of an elongated groove or recess recognizable, wherein the bolt-shaped abutment 13 is pressed after the rotation of the adjusting screw 11 by 360 ° in this groove or recess.
  • Fig. 5d surface elements 18 can be seen, which are arranged on the peripheral edge of the screw head 11a, wherein the surface elements 18 according to FIG Fig. 5d interact with a lateral abutment 13a.
  • the Abutment 13a surrounds at least partially the peripheral edge of the screw head 11a and cooperates with the peripheral edge of the screw head 11 a in the manner of a slip clutch, wherein the screw head 11 a slipping after overcoming an applied torque relative to the abutment 13a. Due to a design of the abutment 13a made of plastic, the screw head 11a (with a controlled adjustment of the adjusting screw 11 by a user) after overcoming a predetermined torque can be rotated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Wing Frames And Configurations (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Hinges (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen Stellantrieb zum Bewegen einer Klappe eines Möbels, umfassend:

  • zumindest einen schwenkbar gelagerten Stellarm zum Bewegen der Klappe,
  • eine Federvorrichtung zum Beaufschlagen des Stellarmes mit einem Schwenkmoment in Öffnungsrichtung,
  • eine Einstellvorrichtung mit einer Einstellschraube, die ein Gewinde aufweist, wobei das wirkende Schwenkmoment der Federvorrichtung auf den Stellarm durch eine Drehbewegung der Einstellschraube einstellbar ist,
  • wobei die Einstellschraube einen Schraubenschaft aufweist, wobei durch eine Drehbewegung der Einstellschraube eine Schraubenmutter entlang des Schraubenschaftes verstellbar gelagert ist
The present invention relates to an actuator for moving a flap of a piece of furniture, comprising:
  • at least one pivotally mounted actuating arm for moving the flap,
  • a spring device for acting on the actuating arm with a pivoting moment in the opening direction,
  • an adjusting device with an adjusting screw, which has a thread, wherein the acting pivoting moment of the spring device is adjustable on the actuating arm by a rotational movement of the adjusting screw,
  • wherein the adjusting screw has a screw shank, wherein a nut is adjustably mounted along the screw shank by a rotational movement of the adjusting screw

Im Weiteren betrifft die Erfindung eine Anordnung mit einem Stellantrieb der zu beschreibenden Art und mit einer Klappe eines Möbels, welche durch den Stellantrieb zwischen einer vertikalen Schließstellung und einer nach oben bewegten Offenstellung bewegbar gelagert ist.Furthermore, the invention relates to an arrangement with an actuator of the type to be described and with a flap of a piece of furniture, which is movably supported by the actuator between a vertical closed position and an upwardly moved open position.

Ein Stellantrieb mit einem Stellarm, einer den Stellarm beaufschlagenden Federvorrichtung zum Gewichtsausgleich der Klappe und mit einer Einstellvorrichtung zum Einstellen des auf den Stellarm einwirkenden Schwenkmomentes ist beispielsweise in der WO 2006/005086 A1 der Anmelderin beschrieben. Dieser Stellantrieb umfasst einen schwenkbar gelagerten Zwischenhebel, der über eine Druckrolle und eine Stellkontur den Stellarm verschwenkt, wobei der Abstand des Angriffspunktes der Federvorrichtung relativ zur Drehachse des Zwischenhebels durch eine Einstellvorrichtung stufenlos verstellbar ist. Die Einstellvorrichtung kann hierfür eine drehbar gelagerte Gewindespindel umfassen, wobei der Angriffspunkt der Federvorrichtung relativ zur Gewindespindel durch Drehung derselben innerhalb vorgegebener Grenzen verstellbar ist. Die Verstellung des Federangriffspunktes entlang der Gewindespindel erfolgt jedoch relativ langsam, weil für eine erhebliche Verstellung der Federkraft entsprechend viele Umdrehungen der Gewindespindel erforderlich sind. Zudem sind geringfügige Verstellungen der Federkraft für jene Person, welche die Einstellung der Federkraft vornimmt, nur schwer zu kontrollieren und oftmals kaum wahrnehmbar.An actuator with an actuator arm, a spring acting on the actuator spring device to balance the weight of the flap and with an adjustment for adjusting the force acting on the actuator arm pivoting moment is for example in the WO 2006/005086 A1 the applicant described. This actuator comprises a pivotally mounted intermediate lever, which pivots the adjusting arm via a pressure roller and a setting contour, wherein the distance between the point of application of the spring device is adjustable relative to the axis of rotation of the intermediate lever by an adjusting device. For this purpose, the adjusting device can comprise a rotatably mounted threaded spindle, the point of application of the Spring device relative to the threaded spindle by rotation of the same within predetermined limits is adjustable. However, the adjustment of the spring application point along the threaded spindle is relatively slow, because for a significant adjustment of the spring force corresponding to many revolutions of the threaded spindle are required. In addition, slight adjustments of the spring force are difficult for the person making the adjustment of the spring force and often barely noticeable.

In der DE 20 2005 015 002 U1 ist ein Federtürband mit einem Drehachsenteil beschrieben, welches durch ein Federelement vorgespannt ist. Das Drehachsenteil ist mit einem Gewinde versehen, wobei durch Ein- bzw. Ausschrauben des Drehachsenteiles relativ zu einer Gelenkmuffe die Vorspannung des Federelementes veränderbar und einstellbar ist. Über eine Madenschraube kann die axiale und radiale Stellung des Drehachsenteiles arretiert werden.In the DE 20 2005 015 002 U1 is a spring door hinge described with a rotary axis part, which is biased by a spring element. The rotary axle part is provided with a thread, wherein by biasing or unscrewing the rotary axle part relative to a joint sleeve, the bias of the spring element is variable and adjustable. About a grub screw, the axial and radial position of the rotary axis part can be locked.

In der EP 0 952 290 A2 ist ein Stellantrieb mit allen Merkmalen des Oberbegriffs des Anspruchs 1 offenbart.In the EP 0 952 290 A2 an actuator with all features of the preamble of claim 1 is disclosed.

Aufgabe der vorliegenden Erfindung ist es daher, einen Stellantrieb der eingangs erwähnten Gattung vorzuschlagen, wobei die Einstellung der Federkraft vereinfacht ist.Object of the present invention is therefore to propose an actuator of the type mentioned, wherein the adjustment of the spring force is simplified.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Unteransprüchen angegeben.This is achieved by the features of claim 1. Further advantageous embodiments of the invention are specified in the dependent subclaims.

Gemäß der Erfindung ist also vorgesehen, dass die Einstellschraube eine vom Gewinde gesonderte Hemmvorrichtung aufweist, welche eine unbeabsichtigte Drehbewegung der Einstellschraube verhindert.According to the invention it is thus provided that the adjusting screw has a separate from the thread escapement, which prevents unintentional rotational movement of the adjusting screw.

Durch eine vom Gewinde der Einstellschraube gesonderte Hemmvorrichtung können nunmehr auch Einstellschrauben bzw. Gewindespindeln eingesetzt werden, welche zum Zweck eines hohen Verstellhubes auch eine entsprechend hohe Gewindesteigung im Vergleich zu einem Regelgewinde aufweisen. Solche Gewinde mit hoher Steigung (mit einer zwei- oder mehrfachen Steigung im Vergleich zu einem Regelgewinde) weisen allerdings auch eine geringe Selbsthemmung gegenüber einem Regelgewinde auf, weshalb gemäß der vorliegenden Erfindung eine Hemmvorrichtung vorgesehen ist, welche zwar eine kontrollierte Einstellung der Einstellschraube erlaubt, eine unbeabsichtigte Verstellung der Einstellschraube hingegen verhindert. Eine solche unkontrollierte Verstellung wird häufig dadurch herbeigeführt, das eine Klappe eines Möbels, welche in Gebrauchslage mit dem Stellarm verbunden ist, mehrmals geöffnet bzw. geschlossen wird, wodurch die Einstellschraube ungewollt verdreht wird. Durch die vorgesehene Hemmvorrichtung kann eine solche unkontrollierte Verstellung der Einstellschraube weitgehend verhindert werden.By a separate from the thread of the screw escapement adjustment screws or threaded spindles can now be used, which for the purpose of a high adjustment also a corresponding have high thread pitch compared to a standard thread. However, such high pitch threads (with a pitch two or more times compared to a standard thread) also have low self-locking over a standard thread, and therefore, in accordance with the present invention, an escapement is provided which allows controlled adjustment of the set screw unintentional adjustment of the adjusting screw, however, prevents. Such uncontrolled adjustment is often brought about by the fact that a flap of a piece of furniture, which is connected in the position of use with the actuating arm, repeatedly opened or closed, whereby the adjusting screw is unintentionally rotated. By the proposed inhibiting device such uncontrolled adjustment of the adjusting screw can be largely prevented.

Die Hemmvorrichtung ist zwischen der Einstellschraube und einem, vorzugsweise gehäusefesten, Widerlager des Stellantriebes wirksam ist.The inhibitor is effective between the adjusting screw and a, preferably fixed to the housing, abutment of the actuator.

Die Hemmvorrichtung umfasst dabei an der Einstellschraube angeordnete oder ausgebildete Oberflächenelemente, welche mit dem Widerlager des Stellantriebes zusammenwirken. Diese Oberflächenelemente können an einem Schraubenkopf, vorzugsweise an der Unterseite und/oder an einem Umfangsrand, der Einstellschraube angeordnet oder ausgebildet sein. Mögliche Ausführungsvarianten ergeben sich dadurch, dass die Oberflächenelemente als Noppen, Rillen, Zähne, Spitzen, Erhebungen, Vertiefungen und/oder als reliefartige Struktur ausgebildet sind, welche mit dem vorgesehenen Widerlager des Stellantriebes kraftschlüssig und/oder zumindest teilweise formschlüssig zusammenwirken.The escapement device comprises surface elements which are arranged or formed on the adjusting screw and which interact with the abutment of the actuating drive. These surface elements may be arranged or formed on a screw head, preferably on the underside and / or on a peripheral edge of the adjusting screw. Possible embodiments result from the fact that the surface elements are formed as nubs, grooves, teeth, tips, elevations, depressions and / or as a relief-like structure which cooperate with the intended abutment of the actuator non-positively and / or at least partially positively.

Die erfindungsgemäße Anordnung weist einen Stellantrieb der in Rede stehenden Art und eine Klappe eines Möbels auf, welche durch den Stellantrieb zwischen einer vertikalen Schließstellung und einer nach oben bewegten Offenstellung bewegbar gelagert ist.The arrangement according to the invention has an actuator of the type in question and a flap of a piece of furniture, which is movably supported by the actuator between a vertical closed position and an upwardly moved open position.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand der nachfolgenden Figurenbeschreibung erläutert. Dabei zeigt bzw. zeigen:

Fig. 1a, 1b
eine perspektivische Darstellung eines Möbels mit einer relativ dazu hochbewegbaren Klappe sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 2a, 2b
ein mögliches Ausführungsbeispiel eines Stellantriebes in einer perspektivischen Ansicht sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 3a, 3b
eine an einem Stellhebel des Stellantriebes gelagerte Einstellvorrichtung sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 4a-4d
zwei Ausführungsbeispiele von Einstellschrauben in verschieden Ansichten,
Fig. 5a-5d
mögliche Ausführungsbeispiele einer Hemmvorrichtung zum Verhindern einer unkontrollierten Drehbewegung der Einstellschraube.
Further details and advantages of the invention will be explained with reference to the following description of the figures. It shows or show:
Fig. 1a, 1b
a perspective view of a piece of furniture with a relatively hochbewegbaren flap and an enlarged detail illustration this,
Fig. 2a, 2b
a possible embodiment of an actuator in a perspective view and an enlarged detail illustration of this,
Fig. 3a, 3b
a mounted on a lever of the actuator setting device and an enlarged detail illustration this,
Fig. 4a-4d
two embodiments of adjusting screws in different views,
Fig. 5a-5d
possible embodiments of an inhibiting device for preventing uncontrolled rotational movement of the adjusting screw.

Fig. 1a zeigt ein Möbel 1 mit einem Möbelkorpus 2 und einer relativ zum Möbelkorpus 2 hochbewegbaren Klappe 4 in einer perspektivischen Ansicht. An zumindest einer Seitenwand 3 des Möbels 1 ist ein Stellantrieb 5 mit einem schwenkbar gelagerten Stellarm 6 zum Bewegen der Klappe 4 gelagert. Zum zumindest teilweisen Gewichtsausgleich der Klappe 4 ist eine Federvorrichtung 8 vorgesehen, welche den Stellarm 6 mit einem Schwenkmoment in Öffnungsrichtung beaufschlagt. Im gezeigten Ausführungsbeispiel wirkt die Federvorrichtung 8 zunächst um einen um die Drehachse (P) schwenkbar gelagerten Stellhebel 7, der über einen - hier nicht gezeigten - Übertragungsmechanismus (beispielsweise über ein Hebelwerk und/oder über eine das Bewegungsverhalten der Klappe 4 beeinflussende Stellkontur-Druckrollen-Anordnung) den Stellarm 6 verschwenkt. Fig. 1a shows a piece of furniture 1 with a furniture body 2 and a relative to the furniture body 2 hochbewegbaren flap 4 in a perspective view. On at least one side wall 3 of the furniture 1, an actuator 5 is mounted with a pivotally mounted actuating arm 6 for moving the flap 4. For at least partial weight balance of the flap 4, a spring device 8 is provided, which the adjusting arm 6 with a pivoting moment in Applied opening direction. In the exemplary embodiment shown, the spring device 8 acts firstly about an adjusting lever 7, which is mounted pivotably about the rotation axis (P) and has a transmission mechanism (not shown here) (for example via a lever mechanism and / or via a control contour of the flap 4 influencing the movement behavior of the flap 4). Arrangement) the actuator arm 6 is pivoted.

Fig. 1b zeigt den in Fig. 1 a eingekreisten Bereich in einer vergrößerten Darstellung, wobei die Einstellvorrichtung 20 zum Einstellen des auf den Stellarm 6 einwirkenden Schwenkmomentes dargestellt ist. Die Federvorrichtung 8 wirkt auf eine Schraubenmutter 10, welche entlang eines Schraubenschaftes 9 einer Einstellschraube 11 verschiebbar gelagert ist. Die Einstellschraube 11 ist am Stellhebel 7 drehbar, jedoch im Wesentlichen axial unverschiebbar gelagert. Der Stellhebel 7 weist eine Öffnung 12 auf, durch die ein Schraubendreher hindurchgeführt und seitlich am Schraubenkopf der Einstellschraube 11 angesetzt werden kann, wobei die Längsrichtung eines an der Einstellschraube 11 angesetzten Schraubendrehers und die Längsachse der Einstellschraube 11 einen Winkel von etwa 90° einschließen. Durch eine von einer Person herbeigeführte Verstellung der Einstellschraube 11 kann die Schraubenmutter 10 entlang des Schraubenschaftes 9 bewegt werden, sodass die Lage des Angriffspunktes der Federvorrichtung 8 relativ zur Drehachse (P) (Fig. 1 a) des Stellhebels 7 veränderbar ist, wobei also der Angriffspunkt der Federvorrichtung 8 relativ zur Drehachse (P) des Stellhebels 7 in den Richtungen des eingezeichneten Doppelpfeiles zu und von dieser weg verstellbar ist. Mit dem Bezugszeichen 13 ist ein Widerlager gekennzeichnet, welches mit der Einstellschraube 11 zusammenwirkt. Fig. 1b shows the in Fig. 1 a circled area in an enlarged view, wherein the adjusting device 20 is shown for adjusting the force acting on the actuating arm 6 pivoting moment. The spring device 8 acts on a nut 10, which is displaceably mounted along a screw shank 9 of an adjusting screw 11. The adjusting screw 11 is rotatable on the adjusting lever 7, but mounted substantially axially immovable. The adjusting lever 7 has an opening 12 through which a screwdriver can be passed and attached laterally to the screw head of the adjusting screw 11, wherein the longitudinal direction of an attached to the adjusting screw 11 screwdriver and the longitudinal axis of the adjusting screw 11 form an angle of about 90 °. By a person induced adjustment of the adjusting screw 11, the nut 10 can be moved along the screw shank 9, so that the position of the point of the spring device 8 relative to the axis of rotation (P) ( Fig. 1 a) of the actuating lever 7 is variable, so that the point of the spring device 8 relative to the axis of rotation (P) of the actuating lever 7 in the directions of the double arrow is drawn to and from this away adjustable. By the reference numeral 13 is an abutment which cooperates with the adjusting screw 11.

Fig. 2a zeigt ein mögliches Ausführungsbeispiel eines Stellantriebes 5 in einer perspektivischen Ansicht. Der Stellantrieb 5 weist ein Gehäuse 14 auf, wobei sich die Federvorrichtung 8 über einen Federhalter 17 an einer gehäusefesten Federbasis 16 abstützt. Der Federhalter 17 ist zur Aufnahme von wenigstens einer (oder mehreren) Federvorrichtung(en) 8 ausgebildet. Die Federvorrichtung 8 umfasst wenigstens eine Schraubenfeder (insbesondere eine Druckfeder), welche gegen die Schraubenmutter 10 drückt. Die Schraubenmutter 10 ist durch eine Verdrehung der Einstellschraube 11 entlang des Schraubenschaftes 9 relativ zur Drehachse (P) des Stellhebels 7 verstellbar. Der zweiarmige Stellhebel 7 wirkt als Umlenkhebel, der die Kraft der Federvorrichtung 8 über die Übertragungshebel 15a, 15b, 15c und 15d auf den Stellarm 6 überträgt und den Stellarm 6 um die Stellachse (S) verschwenkt. Fig. 2a shows a possible embodiment of an actuator 5 in a perspective view. The actuator 5 has a housing 14, wherein the spring device 8 is supported via a spring holder 17 on a housing-fixed spring base 16. The spring holder 17 is designed to receive at least one (or more) spring device (s) 8. The Spring device 8 comprises at least one coil spring (in particular a compression spring) which presses against the nut 10. The nut 10 is adjustable by a rotation of the adjusting screw 11 along the screw shank 9 relative to the axis of rotation (P) of the adjusting lever 7. The two-armed lever 7 acts as a reversing lever, which transmits the force of the spring device 8 via the transmission lever 15a, 15b, 15c and 15d on the actuator arm 6 and the actuator arm 6 pivots about the adjusting axis (S).

Fig. 2b zeigt den in Fig. 2a eingekreisten Bereich in einer vergrößerten Ansicht. Erkennbar ist die Einstellschraube 11, welche einen Schraubenkopf 11a sowie einen daran anschließenden Schraubenschaft 9 mit einem Gewinde aufweist. Erkennbar ist eine Hemmvorrichtung 19, welche zwischen dem Schraubenkopf 11a und einem Widerlager 13 wirksam ist. Die Hemmvorrichtung 19 umfasst in der gezeigten Figur- vorzugsweise noppenförmige - Oberflächenelemente 18, welche an der Unterseite und/oder am Umfangsrand des Schraubenkopfes 11a angeordnet werden können. Die noppenförmigen Oberflächenelemente 18 liegen - aufgrund der wirkenden Kraft der Federvorrichtung 8 - mit Druck am gehäusefesten Widerlager 13 des Gehäuses 14 an. Das Widerlager 13 ist im gezeigten Ausführungsbeispiel als Bolzen ausgebildet, an dem sich die noppenförmigen Oberflächenelemente 18 abstützen. Durch die Oberflächenelemente 18 wird eine unkontrollierte Verstellung der Einstellschraube 11 verhindert, da diese eine Umdrehung der Einstellschraube 11 hemmen. Bei einer kontrollierten Verdrehung der Einstellschraube 11 durch einen Benutzer stützen sich die bombiert ausgebildeten Oberflächenelemente 18 jeweils am Widerlager 13 ab, wodurch der Schraubenkopf 11a in regelmäßigen Intervallen jeweils um die Höhe der noppenförmigen Oberflächenelemente 18 relativ zum Widerlager 13 und entgegen der Kraft der Federvorrichtung 8 abgehoben wird, sodass die Einstellschraube 11 in vorgegebenen Drehstellungen positionierbar ist. Durch die vorgesehene Hemmvorrichtung 19 kann der Schraubenschaft 9 auch mit Gewinden versehen werden, welche bei einer Betätigung der Einstellschraube 11 eine Schnellverstellung der Schraubenmutter 10 relativ zum Schraubenschaft 9 ermöglichen. Das Gewinde des Schraubenschaftes 9 kann beispielsweise als Gewinde mit hoher Steigung und/oder als zwei- oder mehrgängiges Gewinde ausgebildet sein. Die Verwendung eines zwei- oder mehrgängigen Gewindes hat den Vorteil, dass die Belastbarkeit des Sitzes der Schraubenmutter 10 auf dem Schraubenschaft 9 gegenüber einem eingängigen Gewinde mit hoher Steigung verbessert ist. Fig. 2b shows the in Fig. 2a circled area in an enlarged view. Recognizable is the adjusting screw 11, which has a screw head 11a and an adjoining screw shank 9 with a thread. Evident is an inhibiting device 19, which is effective between the screw head 11a and an abutment 13. The inhibiting device 19 comprises in the figure shown - preferably knob-shaped - surface elements 18, which can be arranged on the underside and / or on the peripheral edge of the screw head 11a. The nub-shaped surface elements 18 are - due to the acting force of the spring device 8 - with pressure on the housing-fixed abutment 13 of the housing 14 at. The abutment 13 is formed in the illustrated embodiment as a bolt on which the knob-shaped surface elements 18 are supported. By the surface elements 18 an uncontrolled adjustment of the adjusting screw 11 is prevented because they inhibit a revolution of the adjusting screw 11. With a controlled rotation of the adjusting screw 11 by a user, the cambered surface elements 18 are each supported on the abutment 13, whereby the screw head 11 a at regular intervals in each case lifted by the height of the knob-shaped surface elements 18 relative to the abutment 13 and against the force of the spring device 8 is, so that the adjusting screw 11 can be positioned in predetermined rotational positions. By the provided inhibiting device 19, the screw shaft 9 can also be provided with threads, which upon actuation of the adjusting screw 11, a quick adjustment of the nut 10 relative to the screw shaft. 9 enable. The thread of the screw shank 9 may be formed, for example, as a thread with a high pitch and / or as a two- or multi-start thread. The use of a two- or multi-start thread has the advantage that the load capacity of the seat of the nut 10 is improved on the screw shaft 9 against a catchy thread with high pitch.

Fig. 3a zeigt eine perspektivische Darstellung des Stellhebels 7, an dem die Einstellvorrichtung 20 gelagert ist. Der Stellhebel 7 ist in Gebrauchslage um die Drehachse (P) verschwenkbar gelagert. An der Unterseite des Schraubenkopfes 11a sind mehrere Oberflächenelemente 18 im Bereich des Umfangsrandes des Schraubenkopfes 11a verteilt angeordnet, welche sich jeweils am Widerlager 13 in Form des Bolzens abstützen. Bei einer Verstellung mittels Schraubendreher - welcher durch die Öffnung 12 hindurchgeführt wird - kann die Einstellschraube 11 kontrolliert verdreht werden, wobei durch das Zusammenwirken der noppenförmigen Oberflächenelemente 18 mit dem Widerlager 13 eine kontrollierte Verstellung möglich ist, eine unkontrollierte Verstellung hingegen verhindert wird, insbesondere dann, wenn das Gewinde der Einstellschraube 11 keine inhärente Selbsthemmung aufweist. Fig. 3b zeigt den in Fig. 3a eingekreisten Bereich in einer vergrößerten Darstellung. Fig. 3a shows a perspective view of the control lever 7, on which the adjusting device 20 is mounted. The adjusting lever 7 is pivotally mounted in the position of use about the axis of rotation (P). At the bottom of the screw head 11a a plurality of surface elements 18 are arranged distributed in the region of the peripheral edge of the screw head 11a, which are respectively supported on the abutment 13 in the form of the bolt. In an adjustment by means of a screwdriver - which is passed through the opening 12 - the adjusting screw 11 can be controlled twisted, whereby a controlled adjustment is possible by the interaction of the knob-shaped surface elements 18 with the abutment 13, an uncontrolled adjustment is prevented, in particular, if the thread of the adjusting screw 11 has no inherent self-locking. Fig. 3b shows the in Fig. 3a circled area in an enlarged view.

Fig. 4a zeigt ein mögliches Ausführungsbeispiel einer Einstellschraube 11 in einer perspektivischen Darstellung. An der Unterseite des Schraubenkopfes 11a sind mehrere Oberflächenelemente 18 angeordnet, welche jeweils mit einem Widerlager 13 des Stellantriebes 5 zusammenwirken. Der Schraubenschaft 9 ist mit einem Gewinde 21 versehen, welches im Vergleich zu einem Regelgewinde eine zwei- oder mehrfache Steigung aufweist. Auf diese Weise kann schon bei geringen Verdrehungen der Einstellschraube 11 ein entsprechend hoher Verstellhub der Schraubenmutter 10 herbeigeführt werden. Fig. 4a shows a possible embodiment of an adjusting screw 11 in a perspective view. On the underside of the screw head 11a, a plurality of surface elements 18 are arranged, which cooperate with an abutment 13 of the actuator 5 respectively. The screw shaft 9 is provided with a thread 21, which has a two or more pitch compared to a standard thread. In this way, even at low rotations of the adjusting screw 11, a correspondingly high adjustment of the nut 10 can be brought about.

Fig. 4b zeigt eine alternative Ausführungsform der Einstellschraube 11, wobei das Gewinde 21 als mehrgängiges, vorzugsweise dreigängiges, Gewinde 21 ausgeführt ist. Die Steigung des Gewindes 21 gemäß Fig. 4b kann gleich hoch wie die Steigung des Gewindes 21 in Fig. 4a ausgeführt sein, allerdings ist die Belastbarkeit des Sitzes der Schraubenmutter 10 verbessert, da im Vergleich zu Fig. 4a mehrere Schraubengänge des Gewindes 21 gleichzeitig in der Schraubenmutter 10 aufgenommen sind. Mehrgängige Gewinde 21 weisen einen relativ großen Steigungswinkel auf und können bereits mit einer Teildrehung der Einstellschraube 11 eine starke axiale Verschiebung der Schraubenmutter 10 herbeiführen. Ist das Gewinde 21 zweigängig ausgeführt, so beginnt alle 180° ein neuer Gewindegang, bei einem dreigängigen Gewinde 21 beginnt alle 120° ein neuer Gewindegang. Fig. 4c zeigt die Einstellschraube 11 gemäß Fig. 4b in einer Seitenansicht, Fig. 4d zeigt eine vergrößerte Darstellung des in Fig. 4b eingekreisten Bereiches, wobei zwei um 120° versetzte Gewindegänge 21 a, 21 b am Ende des Schraubenschaftes 9 auslaufen. Die Steigung des Gewindes 21 kann zumindest 1,6 mm, vorzugsweise zumindest 2,4 mm betragen. Fig. 4b shows an alternative embodiment of the adjusting screw 11, wherein the thread 21 is designed as a multi-start, preferably three-threaded thread 21. The pitch of the thread 21 according to Fig. 4b can be as high as the pitch of the thread 21 in Fig. 4a executed, however, the load capacity of the seat of the nut 10 is improved, as compared to Fig. 4a several screw threads of the thread 21 are accommodated simultaneously in the nut 10. Multi-start thread 21 have a relatively large pitch angle and can already bring about a strong axial displacement of the nut 10 with a partial rotation of the adjusting screw 11. If the thread 21 is designed to be double-threaded, then a new thread begins every 180 °, with a three-thread 21, a new thread starts every 120 °. Fig. 4c shows the adjusting screw 11 according to Fig. 4b in a side view, Fig. 4d shows an enlarged view of the in Fig. 4b circled area, wherein two offset by 120 ° threads 21 a, 21 b expire at the end of the screw shaft 9. The pitch of the thread 21 may be at least 1.6 mm, preferably at least 2.4 mm.

Fig. 5a-5d zeigen verschiedene Ausführungsbeispiele der Hemmvorrichtung 19 zum Hemmen einer unkontrollierten Verdrehbewegung der Einstellschraube 11. In Fig. 5a sind an der Unterseite des Schraubenkopfes 11a noppenfömige Oberflächenelemente 18 ausgebildet, welche sich zur Hemmung einer unkontrollierten Drehbewegung der Einstellschraube 11 am Widerlager 13 abstützen. In Fig. 5b ist eine reliefartige Struktur der Oberflächenelemente 18 erkennbar, welche sich ebenfalls an der Unterseite des Schraubenkopfes 11a befindet und welche mit dem Widerlager 13 zusammenwirkt. In Fig. 5c ist ein Oberflächenelement 18 in Form einer länglichen Rille bzw. Vertiefung erkennbar, wobei das bolzenförmige Widerlager 13 nach erfolgter Verdrehung der Einstellschraube 11 um 360° in diese Rille bzw. Vertiefung eingedrückt wird. In Fig. 5d sind Oberflächenelemente 18 erkennbar, welche am Umfangsrand des Schraubenkopfes 11a angeordnet sind, wobei die Oberflächenelemente 18 gemäß Fig. 5d mit einem seitlichen Widerlager 13a zusammenwirken. Das Widerlager 13a umgibt zumindest abschnittsweise den Umfangsrand des Schraubenkopfes 11a und wirkt mit dem Umfangsrand des Schraubenkopfes 11 a in der Art einer Rutschkupplung zusammen, wobei der Schraubenkopf 11 a nach Überwindung eines aufzubringenden Drehmomentes relativ zum Widerlager 13a durchrutscht. Durch eine Ausbildung des Widerlagers 13a aus Kunststoff ist der Schraubenkopf 11a (bei einer kontrollierten Verstellung der Einstellschraube 11 durch einen Benutzer) nach Überwindung eines vorgegebenen Drehmomentes verdrehbar. Fig. 5a-5d show various embodiments of the inhibiting device 19 for inhibiting uncontrolled twisting movement of the adjusting screw 11 Fig. 5a are formed on the underside of the screw head 11a noppenfömige surface elements 18, which are supported to inhibit uncontrolled rotational movement of the adjusting screw 11 on the abutment 13. In Fig. 5b a relief-like structure of the surface elements 18 can be seen, which is also located on the underside of the screw head 11a and which cooperates with the abutment 13. In Fig. 5c is a surface element 18 in the form of an elongated groove or recess recognizable, wherein the bolt-shaped abutment 13 is pressed after the rotation of the adjusting screw 11 by 360 ° in this groove or recess. In Fig. 5d surface elements 18 can be seen, which are arranged on the peripheral edge of the screw head 11a, wherein the surface elements 18 according to FIG Fig. 5d interact with a lateral abutment 13a. The Abutment 13a surrounds at least partially the peripheral edge of the screw head 11a and cooperates with the peripheral edge of the screw head 11 a in the manner of a slip clutch, wherein the screw head 11 a slipping after overcoming an applied torque relative to the abutment 13a. Due to a design of the abutment 13a made of plastic, the screw head 11a (with a controlled adjustment of the adjusting screw 11 by a user) after overcoming a predetermined torque can be rotated.

Die vorliegende Erfindung bezieht sich nicht auf die gezeigten Ausführungsbeispiele, sondern erfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, welche in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich, usw. auf die unmittelbar beschriebene bzw. dargestellte Figur bezogen und sind sinngemäß auf die neue Lage zu übertragen.The present invention is not limited to the embodiments shown, but encompasses any variations and technical equivalents that may fall within the scope of the following claims. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described or illustrated figure and are mutatis mutandis transferred to the new location.

Claims (10)

  1. An actuating drive (5) for moving a flap (4) of an article of furniture (1) including:
    - at least one pivotably mounted actuating arm (6) for moving the flap (4),
    - a spring device (8) for acting on the actuating arm (6) with a pivotal moment in the opening direction,
    - an adjusting device (20) having an adjusting screw (11) with a screw shank (9) and with a thread (21) arranged thereon, wherein the acting pivotal moment of the spring device (8) acting on the actuating arm (6) is adjustable by a screw nut (10) which can be displaced by a rotary movement of the adjusting screw (11) along the screw shank (9),
    characterized in that the adjusting screw (11) has a restraining device (19) which is separate from the thread (21) of the adjusting screw (11) and which prevents an unintentional rotary movement of the adjusting screw (11), wherein the restraining device (19) is operative between the adjusting screw (11) and a counterstop (13) of the actuating drive (5), wherein the restraining device (19) is formed by surface elements (18) which are arranged at the adjusting screw (11) and which cooperate with the counterstop (13) of the actuating drive (5).
  2. The actuating drive according to claim 1, characterized in that the surface elements (18) are formed or arranged at a screw head (11 a), preferably at the underside and/or at a peripheral edge, of the adjusting screw (11).
  3. The actuating drive according to claim 1 or 2, characterized in that the surface elements (18) are in the form of knobs, grooves, teeth, tips, raised portions, recessed portions and/or in the form of a relief-like structure.
  4. The actuating drive according to one of the claims 1 to 3, characterized in that by way of the surface elements (18), the adjusting screw (11) can be positioned in predetermined rotary positions.
  5. The actuating drive according to one of the claims 1 to 4, characterized in that the thread (21) includes two or multiple threads (21 a, 21 b).
  6. The actuating drive according to one of the claims 1 to 5, characterized in that the spring device (8) acts on the screw nut (10).
  7. The actuating drive according to one of the claims 1 to 6, characterized in that the adjusting screw (11) is mounted to an actuating lever (7) which can be pivoted about an axis of rotation (P), wherein the position of the engagement point of the spring device (8) relative to the axis of rotation (P) of the actuating lever (7) can be displaced within predetermined limits by a rotary movement of the adjusting screw (11).
  8. The actuating drive according to one of the claims 1 to 7, characterized in that the spring device (8) includes at least one coil spring for acting on the actuating arm (6).
  9. An arrangement with an actuating drive (5) according to one of the claims 1 to 8 and with a flap (4) of an article of furniture (1).
  10. The arrangement according to claim 9, characterized in that a first end of the actuating arm (6) is hingedly connected via a pivoting axis (S) to a side wall (3) of a furniture carcass (2) and a second end of the actuating arm (6) is connected to the flap (4).
EP11805369.3A 2011-02-22 2011-12-16 Actuating drive for moving a furniture flap Active EP2678505B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA233/2011A AT510984B1 (en) 2011-02-22 2011-02-22 ACTUATOR FOR MOVING A FURNITURE FLAP
PCT/AT2011/000498 WO2012112997A1 (en) 2011-02-22 2011-12-16 Actuating drive for moving a furniture flap

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Publication Number Publication Date
EP2678505A1 EP2678505A1 (en) 2014-01-01
EP2678505B1 true EP2678505B1 (en) 2016-06-29

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EP11805369.3A Active EP2678505B1 (en) 2011-02-22 2011-12-16 Actuating drive for moving a furniture flap

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US (1) US20130333291A1 (en)
EP (1) EP2678505B1 (en)
JP (1) JP5810175B2 (en)
CN (1) CN103477011B (en)
AT (1) AT510984B1 (en)
HU (1) HUE030829T2 (en)
WO (1) WO2012112997A1 (en)

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Publication number Priority date Publication date Assignee Title
AT513387B1 (en) 2013-02-08 2014-04-15 Blum Gmbh Julius Actuator for moving a movable furniture part
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JP2014506642A (en) 2014-03-17
US20130333291A1 (en) 2013-12-19
CN103477011A (en) 2013-12-25
AT510984A4 (en) 2012-08-15
CN103477011B (en) 2016-02-24
JP5810175B2 (en) 2015-11-11
EP2678505A1 (en) 2014-01-01
HUE030829T2 (en) 2017-06-28
AT510984B1 (en) 2012-08-15
WO2012112997A1 (en) 2012-08-30

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