EP4244456B1 - Furniture fitting for the movable mounting of a piece of furniture - Google Patents

Furniture fitting for the movable mounting of a piece of furniture Download PDF

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Publication number
EP4244456B1
EP4244456B1 EP21806948.2A EP21806948A EP4244456B1 EP 4244456 B1 EP4244456 B1 EP 4244456B1 EP 21806948 A EP21806948 A EP 21806948A EP 4244456 B1 EP4244456 B1 EP 4244456B1
Authority
EP
European Patent Office
Prior art keywords
furniture
lever
force
lever mechanism
hinge axis
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
EP21806948.2A
Other languages
German (de)
French (fr)
Other versions
EP4244456A1 (en
Inventor
Armin Baldreich
Alexander Simon FLOGAUS
Andreas Holzapfel
Dominik HAGSPIEL
Peter GABEL
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
Original Assignee
Julius Blum GmbH
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Filing date
Publication date
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Publication of EP4244456A1 publication Critical patent/EP4244456A1/en
Application granted granted Critical
Publication of EP4244456B1 publication Critical patent/EP4244456B1/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
    • E05F1/1041—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
    • 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
    • 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
    • E05F1/1066—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 traction spring
    • E05F1/1075—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 traction 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
    • 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
    • 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
    • E05F1/14—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 double-acting springs, e.g. for closing and opening or checking and closing no material
    • 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
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D5/00—Construction of single parts, e.g. the parts for attachment
    • E05D5/10—Pins, sockets or sleeves; Removable pins
    • E05D2005/102—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
    • 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
    • E05Y2201/624—Arms
    • E05Y2201/626—Levers
    • 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
    • E05Y2201/628—Bearings
    • 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
    • E05Y2201/682—Pins
    • 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
    • E05Y2201/706—Shafts
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/242—Combinations of elements arranged in parallel relationship
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/266—Form or shape curved
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/34—Form stability
    • E05Y2800/342—Deformable
    • E05Y2800/344—Deformable elastically
    • 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 further relates to a piece of furniture with a furniture body, a furniture part that is movably mounted relative to the furniture body, in particular a furniture flap that can be raised relative to the furniture body, and with a furniture fitting of the type to be described for moving the movably mounted furniture part.
  • Such furniture fittings are used, for example, to move furniture flaps, with the energy storage of the furniture fitting being provided to compensate for the weight of the furniture flap.
  • the energy storage exerts an opening force on the lever mechanism, so that the opening movement of the furniture flap is supported by the energy storage and the user has to use less force, especially when moving heavy furniture flaps.
  • the energy storage is also used to exert a closing force on the lever mechanism when the furniture flap closes after a dead center position has been exceeded, so that the furniture flap connected to the lever mechanism can be retracted into the closed position and pressed against the furniture body with a locking force.
  • a first approach to solving this problem is US 10,662,690 B2 and the WO 2017/143379 A1 disclosed.
  • an actuator for moving a furniture flap is shown with at least two articulated levers which are pivotally connected to one another via an articulated axis.
  • a spring-elastic third lever presses the joint axis in a stationary manner against a contact contour of the opening with a correspondingly large force, thereby preventing the joint axis from jumping suddenly within the opening.
  • the disadvantage of this is that the friction of the joint axis is massively increased and therefore high manual forces are necessary to move the furniture fittings.
  • this construction also involves an increased use of materials.
  • the object of the present invention is to provide a furniture fitting of the type mentioned at the beginning while avoiding the disadvantages discussed above.
  • At least one spring element is provided, which applies a force to the joint axis at least in a direction transverse to an imaginary connecting line of the two contact points of the at least one joint axis in the at least one opening of the at least one lever.
  • the joint axis is not fixed in place at a single contact point within the opening of the lever by a force of the spring element.
  • the joint axis is movable within the opening from a first contact point to a second landing point, although the joint axis is caused by a transverse force exerted by the spring element along a contact contour which connects the first contact point and the second landing point with one another sliding contact.
  • the sliding contact of the joint axis along the said contact contour ensures that the joint axis does not hit a contact point in the opening in the area of the dead center position in a jerky manner and with the development of undesirable noises.
  • a relatively weak force storage device is also sufficient to press the joint axis against the contact contour, so that the frictional forces are reduced compared to the prior art according to US 10,662,690 B2 and the WO 2017/143379 A1 are significantly reduced
  • the invention can be used particularly favorably for furniture fittings, the lever mechanism of which has a dead center position, in which the lever mechanism is acted upon by the at least one force accumulator neither in a closing direction nor in an opening direction and whereby the at least one joint axis moves from the first contact point into the when the dead center position is exceeded second contact point is movable.
  • Fig. 1a shows a perspective view of a piece of furniture 1, which has a furniture body 2, a furniture part 3 that is movably mounted relative to the furniture body 2 and at least one furniture fitting 4, for example in the form of a furniture drive 4a, for moving the movable furniture part 3.
  • the furniture 1 has furniture panels 6 in the form of side walls, a top panel 7 and a bottom panel 8.
  • the movable furniture part 3 can, for example, be designed as a furniture flap 3a which can be pivoted about a horizontal axis relative to the furniture body 2.
  • a housing 9 ( Fig. 1b ) of the furniture fitting 4 is at least partially, preferably substantially completely, accommodated in the side wall designed as a furniture panel 6.
  • the movable furniture part 3 is movably mounted between a closed position that covers the furniture body 2 and an open position that is raised relative to the furniture body 2.
  • the furniture fitting 4 in a horizontally extending furniture panel, for example in the top shelf 7, in the bottom shelf 8 and/or in a shelf arranged between the top shelf 7 and the bottom shelf 8.
  • the movable furniture part 3 is pivotally mounted relative to the furniture body 2 about an axis that runs vertically in the assembled position.
  • the furniture fitting 4 has a lever mechanism 5 for moving the movable furniture part 3 and at least one energy storage device 10 ( Fig. 1b ) to apply force to the lever mechanism 5.
  • Fig. 1b shows the furniture 1 in an exploded view, with two, preferably identically designed, furniture fittings 4 in the form of furniture drives 4a being provided for moving the movable furniture part 3.
  • the furniture fittings 4 each have a housing 9 to be attached to the furniture body 2.
  • the housing 9 of the furniture fitting 4 is accommodated in an assembled state at least partially, preferably essentially completely, within a recess 11 of the side walls designed as furniture panels 6. In an assembled state, the housing 9 can be essentially flush with an end face 6a of the furniture panel 6.
  • the recess 11 is designed, for example, as a blind hole, with the housing 9 of the furniture fitting 4 being able to be inserted into the, preferably pocket-shaped, recess 11 of the furniture panel 6 from the front (i.e. starting from the narrow end face 6a of the furniture panel 6) during assembly.
  • the housing 9 of the furniture fitting 4 is essentially completely accommodated within a predetermined wall thickness of the furniture panel 6.
  • At least one force accumulator 10, in particular comprising a spring device, is arranged in or on the housing 9 for applying force to the lever mechanism 5.
  • a cover 12 is provided at the front end region of the housing 9, with at least one movably mounted lever 5a, 5b, 5c ( Fig. 3a ) of the lever mechanism 5 protrudes through the cover 12 in an open position of the lever mechanism 5.
  • Fig. 2 shows a perspective view of the furniture fitting 4 to be arranged in the furniture panel 6, wherein the housing 9 of the furniture fitting 4 can be arranged essentially completely within the furniture panel 6 in an assembled state.
  • the furniture panel 6 includes a, for example blind hole-shaped, recess 11 for receiving the furniture fitting 4.
  • the housing 9 of the furniture fitting 4 is therefore designed to be inserted or integrated into a furniture panel 6 of the furniture body 2.
  • the housing 9 of the furniture fitting 4 can be essentially cuboid and, in the exemplary embodiment shown, comprises two flat housing walls 9a, 9b spaced apart from one another in parallel, between which the lever mechanism 5 for moving the movable furniture part 3 and the energy storage 10 for applying force to the lever mechanism 5 can be received are.
  • Fig. 3a shows a perspective view of the furniture fitting 4 in the form of the furniture drive 4a.
  • the energy accumulator 10 for applying force to the lever mechanism 5 can, for example, have several coil springs, in particular compression springs.
  • the energy accumulator 10 is supported with a first end region on a support part 14 which can be pivoted about an axis of rotation 15.
  • a second end region of the energy accumulator 10 is mounted at an attack point 16, which is mounted movably along a threaded spindle 20 by an adjusting device 17.
  • the threaded spindle 20 is arranged on an intermediate lever 18 which can be pivoted about an axis of rotation 19.
  • the point of application 16 can be moved along the threaded spindle 20, the distance between the point of application 16 and the axis of rotation 19 of the intermediate lever 18 and thus the torque of the energy accumulator 10 exerted on the lever mechanism 5 is adjustable.
  • the control element 17a of the adjusting device 17 faces the movable furniture part 3 in an assembled state of the furniture fitting 4 and is arranged in a front region of a housing 9 of the furniture fitting 4.
  • the lever mechanism 5 can be releasably locked with a fitting element 22 to be attached to the movable furniture part 3.
  • the lever mechanism 5 has at least one lever 5a, which is pivotally mounted about a joint axis 21a, the at least one lever 5a having at least one, in particular cylindrical, opening 23 ( Figs. 3a-3d ), in which the joint axis 21a is arranged with play.
  • the lever mechanism 5 has a plurality of levers 5a, 5b, 5c, 5d for moving the movable furniture part 3, the levers 5a, 5b, 5c, 5d being connected to one another in an articulated manner by hinge axes 21a, 21b, 21c.
  • Fig. 3b shows the arrangement of a joint axis 21a within a cylindrical opening 23 of a lever 5a according to the prior art.
  • the joint axis 21a lies under the influence of the energy storage 10 at a first contact point of the opening 23.
  • Fig. 3c also shows an embodiment according to the prior art, namely according to that already mentioned in the introduction to the description WO 2017/143379 A1 .
  • the joint axis 21a is pressed in a stationary manner against the contact point 24a of the opening 23 by a spring-elastic lever with a correspondingly large force, which causes the joint axis 21a to jump suddenly within the opening 23 of the lever 5a to the second contact point 24b is prevented.
  • the disadvantage of this is that the friction between the Joint axis 21a and the contact contour of the opening 23 is increased. Therefore, correspondingly high manual forces are necessary to move the furniture fitting 4.
  • Fig. 3d shows schematically the basic principle of the present invention.
  • the joint axis 21a instead of the joint axis 21a according to the prior art Fig. 3c
  • the joint axis 21a ie a preferably cylindrical bolt of the joint axis 21a
  • a force is applied by a spring element 25 in a direction transverse to an imaginary connecting line 26 of the two contact points 24a, 24b in the opening 23 of the lever 5a.
  • the joint axis 21a can be moved within the opening 23 of the lever 5a between the two contact points 5a, 5b, this movement takes place in sliding contact with the contact contour 24c. In this way, jerky jumps of the joint axis 21a within the opening 23 and the associated noise development are effectively prevented.
  • the force of the spring element 25 can be dimensioned relatively low, whereby the friction between the joint axis 21a and the contact contour 24c can be kept within a tolerable range.
  • Fig. 4a shows the furniture fitting 4 in the form of the furniture drive 4a in a side view, the lever mechanism 5 being in a maximum open position in relation to the housing 9 of the furniture fitting 4.
  • the position of the maximum open position of the lever mechanism 5 can be limited by a limiting device 28 with a rotatably mounted adjustment wheel 28a. In this way, collisions between the movable furniture part 3 and a ceiling can be prevented.
  • the lever mechanism 5 has at least one lever 5a, which is pivotally mounted about a joint axis 21a.
  • a joint axis 21a In the exemplary embodiment shown, several levers 5a, 5b, 5c, 5d are provided, which are connected to one another in an articulated manner via hinge axes 21a, 21b, 21c.
  • the joint axis 21a can be subjected to a transverse force by a spring element 25, for example a shaped spring made of steel.
  • the spring element 25 can be supported on at least one stop 27a, 27b, so that a sufficiently high force can be applied to the joint axis 21a.
  • the lever mechanism 5 can have at least five, preferably at least seven, joint axes 21a, 21b, 21c.
  • the at least one lever 5a is connected to at least one second lever 5b of the lever mechanism 5 via the joint axis 21a, with a relative position of the two levers 5a, 5b being changeable during a pivoting movement.
  • the at least one second lever 5b is pivotally connected to at least one third lever 5c of the lever mechanism 5 via a further joint axis 21b. It is preferably provided that the at least one spring element 25 exerts both a force on the joint axis 21a, which connects the at least one lever 5a with the at least one second lever 5b, and a force on the further joint axis 21b.
  • the lever mechanism 5 can have a lever configuration arranged in a parallelogram shape, with the at least one lever 5a being part of the lever configuration.
  • the spring element 25 can be effective between two joint axes 21a, 21b of the lever configuration. This has the advantage that with a single spring element 25, at least two joint axes 21a, 21b can be subjected to a transverse force.
  • the at least one second lever 5b is pivotally connected to at least one third lever 5c of the lever mechanism 5 via a further joint axis 21b. It is preferably provided that the spring element 25 exerts both a force on the joint axis 21a, which connects the at least one lever 5a with the at least one second lever 5b, and a force on the further joint axis 21b.
  • Fig. 4b shows the in Fig. 4a framed area in an enlarged view. It can be seen that the spring element 25 supported on the stops 27a, 27b exerts a first force F1 on both the first joint axis 21a and a second force F2 on the second joint axis 21b.
  • the at least one spring element 25 partially surrounds at least one joint axis 21a, 21b and/or presses against a peripheral edge of the joint axis 21a, 21b.
  • the spring element 25 can be supported on at least one stop 27a, 27b.
  • the stop 27a, 27b can be bolt-shaped or designed as a web of a lever 5a, 5b, 5c, 5d of the lever mechanism 5.
  • Fig. 5 shows an exploded view of the lever mechanism 5 with a spring element 25 for applying force to at least one joint axis 21a, 21b, 21c, 21d, 21e, 21f.
  • the lever mechanism 5 can comprise a plurality of levers 5a, 5b, 5c, 5d which are connected to one another in an articulated manner and which are pivotally mounted about the joint axes 21a, 21b, 21c, 21d, 21e, 21f.
  • the spring element 25 and the stops 27a, 27b both the joint axis 21a and the joint axis 21b can be acted upon with a force F1, F2.
  • a force to two or more joint axes 21a, 21b, 21c, 21d, 21e, 21f using a single spring element 25.
  • This can be done, for example, by a spring element 25 in the form of a spring clip, which simultaneously presses against several joint axes 21a, 21b, 21c, 21d, 21e, 21f.
  • Fig. 6a shows a side view of the furniture fitting 4 designed as a furniture drive 4a with a slightly modified spring element 25.
  • the spring element 25 is pivotally mounted about a joint axis 21a, 21b, 21c, 21d, 21e, 21f, the spring element 25 being the joint axis 21a, 21b, 21c, 21d, 21e, 21f completely encompasses.
  • the spring element 25 is pivotally mounted about the first joint axis 21a, is supported with a central region on a stop 27c of the lever 5b designed as a web and presses with a free end against a peripheral edge of the second joint axis 21b.
  • Fig. 6b shows the lever mechanism 5 of the in Fig. 6a Furniture fitting 4 shown in an exploded view.
  • the spring element 25 which can be pivoted about the joint axis 21a and can be supported on a stop 27c of the lever 5b and can be pressed against the joint axis 21b.

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Description

Die vorliegende Erfindung bezieht sich auf einen Möbelbeschlag zur bewegbaren Lagerung wenigstens eines Möbelteiles an einem Möbelkorpus, umfassend:

  • einen Hebelmechanismus zum Bewegen des wenigstens einen Möbelteiles, wobei der Hebelmechanismus wenigstens einen Hebel umfasst, welcher um eine Gelenkachse schwenkbar gelagert ist, wobei der wenigstens eine Hebel wenigstens eine, insbesondere zylindrische, Öffnung aufweist, in welcher die Gelenkachse mit einem Spiel angeordnet ist,
  • wenigstens einen, insbesondere eine Federvorrichtung umfassenden, Kraftspeicher zur Kraftbeaufschlagung des Hebelmechanismus, wobei die wenigstens eine Gelenkachse bei einer Schwenkbewegung des wenigstens einen Hebels unter dem Einfluss des wenigstens einen Kraftspeichers von einer ersten Anlagestelle in der wenigstens einen Öffnung in eine zweite Anlagestelle in der wenigstens einen Öffnung bewegbar ist.
The present invention relates to a furniture fitting for the movable storage of at least one furniture part on a furniture body, comprising:
  • a lever mechanism for moving the at least one furniture part, the lever mechanism comprising at least one lever which is pivotally mounted about a joint axis, the at least one lever having at least one, in particular cylindrical, opening in which the joint axis is arranged with play,
  • at least one force accumulator, in particular comprising a spring device, for applying force to the lever mechanism, wherein the at least one joint axis during a pivoting movement of the at least one lever under the influence of the at least one force accumulator from a first contact point in the at least one opening into a second contact point in the at least one Opening is movable.

Im Weiteren betrifft die Erfindung ein Möbel mit einem Möbelkorpus, einem relativ zum Möbelkorpus bewegbar gelagerten Möbelteil, insbesondere einer relativ zum Möbelkorpus anhebbaren Möbelklappe, und mit einem Möbelbeschlag der zu beschreibenden Art zum Bewegen des bewegbar gelagerten Möbelteiles.The invention further relates to a piece of furniture with a furniture body, a furniture part that is movably mounted relative to the furniture body, in particular a furniture flap that can be raised relative to the furniture body, and with a furniture fitting of the type to be described for moving the movably mounted furniture part.

Derartige Möbelbeschläge werden beispielsweise zum Bewegen von Möbelklappen verwendet, wobei der Kraftspeicher des Möbelbeschlages zur Kompensation einer Gewichtskraft der Möbelklappe vorgesehen ist. In diesem Fall wird vom Kraftspeicher eine Öffnungskraft auf den Hebelmechanismus ausgeübt, sodass die Öffnungsbewegung der Möbelklappe durch den Kraftspeicher unterstützt und der Benutzer, insbesondere zum Bewegen von schweren Möbelklappen, weniger Kraft aufwenden muss. Andererseits wird der Kraftspeicher auch dazu verwendet, bei einer Schließbewegung der Möbelklappe nach Überschreitung einer Totpunktlage eine Schließkraft auf den Hebelmechanismus auszuüben, sodass die mit dem Hebelmechanismus verbundene Möbelklappe in die Schließstellung einziehbar und mit einer Zuhaltekraft an den Möbelkorpus andrückbar ist.Such furniture fittings are used, for example, to move furniture flaps, with the energy storage of the furniture fitting being provided to compensate for the weight of the furniture flap. In this case, the energy storage exerts an opening force on the lever mechanism, so that the opening movement of the furniture flap is supported by the energy storage and the user has to use less force, especially when moving heavy furniture flaps. On the other hand, the energy storage is also used to exert a closing force on the lever mechanism when the furniture flap closes after a dead center position has been exceeded, so that the furniture flap connected to the lever mechanism can be retracted into the closed position and pressed against the furniture body with a locking force.

Im Bereich der Totpunktlage findet also ein Richtungswechsel der auf den Hebelmechanismus ausgeübten Kraft des Kraftspeichers statt, wodurch auch die Gelenkachse innerhalb der Öffnung ruckartig von einer ersten Anlagestelle zu einer zweiten Anlagestelle springt. Dies führt auch zu einem undefinierten, ruckartigen Bewegungsverhalten der Möbelklappe im Bereich der Totpunktlage und zu unerwünschten Geräuschentwicklungen.In the area of the dead center position, a change in direction of the force of the energy storage device exerted on the lever mechanism takes place, as a result of which the joint axis within the opening also jumps suddenly from a first contact point to a second contact point. This also leads to an undefined, jerky movement behavior of the furniture flap in the dead center area and to undesirable noise development.

Ein erster Ansatz zur Behebung dieser Problematik ist in der US 10 662 690 B2 und der WO 2017/143379 A1 offenbart. Hierbei ist ein Stellantrieb zum Bewegen einer Möbelklappe mit zumindest zwei gelenkig miteinander verbundenen Hebeln gezeigt, welche über eine Gelenkachse schwenkbar miteinander verbunden sind. Durch einen federelastischen dritten Hebel wird die Gelenkachse mit einer entsprechend großen Kraftwirkung ortsfest gegen eine Anlagekontur der Öffnung gedrückt, wodurch das ruckartige Springen der Gelenkachse innerhalb der Öffnung verhindert wird. Nachteilig daran ist, dass dabei die Reibung der Gelenkachse massiv erhöht und somit hohe manuelle Kräfte zum Bewegen des Möbelbeschlages notwendig sind. Außerdem ist mit dieser Konstruktion auch ein erhöhter Materialeinsatz verbunden.A first approach to solving this problem is US 10,662,690 B2 and the WO 2017/143379 A1 disclosed. Here, an actuator for moving a furniture flap is shown with at least two articulated levers which are pivotally connected to one another via an articulated axis. A spring-elastic third lever presses the joint axis in a stationary manner against a contact contour of the opening with a correspondingly large force, thereby preventing the joint axis from jumping suddenly within the opening. The disadvantage of this is that the friction of the joint axis is massively increased and therefore high manual forces are necessary to move the furniture fittings. In addition, this construction also involves an increased use of materials.

Aufgabe der vorliegenden Erfindung ist es, einen Möbelbeschlag der eingangs erwähnten Gattung unter Vermeidung der oben diskutierten Nachteile anzugeben.The object of the present invention is to provide a furniture fitting of the type mentioned at the beginning while avoiding the disadvantages discussed above.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausführungen der vorliegenden Erfindung sind in den abhängigen Ansprüchen definiert.This is achieved according to the invention by the features of patent claim 1. Further advantageous embodiments of the present invention are defined in the dependent claims.

Gemäß der Erfindung ist also vorgesehen, dass wenigstens ein Federelement vorgesehen ist, welches die Gelenkachse zumindest in einer Richtung quer zu einer gedachten Verbindungslinie der beiden Anlagestellen der wenigstens einen Gelenkachse in der wenigstens einen Öffnung des wenigstens einen Hebels mit einer Kraft beaufschlagt.According to the invention, it is therefore provided that at least one spring element is provided, which applies a force to the joint axis at least in a direction transverse to an imaginary connecting line of the two contact points of the at least one joint axis in the at least one opening of the at least one lever.

Mit anderen Worten wird die Gelenkachse innerhalb der Öffnung des Hebels durch eine Kraft des Federelementes nicht ortsfest an einer einzigen Anlagestelle fixiert. Stattdessen ist gemäß der Erfindung vorgesehen, dass die Gelenkachse innerhalb der Öffnung von einer ersten Anlagestelle zu einer zweiten Anlegestelle bewegbar ist, wobei allerdings die Gelenkachse durch eine vom Federelement ausgeübte Querkraft entlang einer Anlagekontur, welche die erste Anlagestelle und die zweite Anlegestelle miteinander verbindet, in gleitendem Kontakt geführt ist.In other words, the joint axis is not fixed in place at a single contact point within the opening of the lever by a force of the spring element. Instead, according to the invention, it is provided that the joint axis is movable within the opening from a first contact point to a second landing point, although the joint axis is caused by a transverse force exerted by the spring element along a contact contour which connects the first contact point and the second landing point with one another sliding contact.

Durch den gleitenden Kontakt der Gelenkachse entlang der besagten Anlagekontur wird sichergestellt, dass die Gelenkachse im Bereich der Totpunktlage nicht ruckartig und unter Entwicklung von unerwünschten Geräuschen an einer Anlagestelle der Öffnung anschlägt. Für das Andrücken der Gelenkachse an die Anlagekontur ist auch ein relativ schwacher Kraftspeicher ausreichend, sodass die Reibungskräfte im Vergleich zum Stand der Technik gemäß der US 10 662 690 B2 und der WO 2017/143379 A1 deutlich reduziert sindThe sliding contact of the joint axis along the said contact contour ensures that the joint axis does not hit a contact point in the opening in the area of the dead center position in a jerky manner and with the development of undesirable noises. A relatively weak force storage device is also sufficient to press the joint axis against the contact contour, so that the frictional forces are reduced compared to the prior art according to US 10,662,690 B2 and the WO 2017/143379 A1 are significantly reduced

Die Erfindung ist insbesondere für Möbelbeschläge günstig einsetzbar, dessen Hebelmechanismus eine Totpunktlage aufweist, in welcher der Hebelmechanismus vom wenigstens einen Kraftspeicher weder in eine Schließrichtung noch in eine Öffnungsrichtung beaufschlagt ist und wobei die wenigstens eine Gelenkachse bei einem Überschreiten der Totpunktlage von der ersten Anlagestelle in die zweite Anlagestelle bewegbar ist.The invention can be used particularly favorably for furniture fittings, the lever mechanism of which has a dead center position, in which the lever mechanism is acted upon by the at least one force accumulator neither in a closing direction nor in an opening direction and whereby the at least one joint axis moves from the first contact point into the when the dead center position is exceeded second contact point is movable.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der in den Figuren gezeigten Ausführungsbeispiele erläutert.

Fig. 1a, 1b
zeigen ein Möbel mit einem bewegbaren Möbelteil in einer perspektivischen Ansicht und in einer Explosionsdarstellung,
Fig. 2
zeigt eine perspektivische Ansicht eines in einer Möbelplatte anzuordnenden Möbelbeschlages,
Fig. 3a-3d
zeigen eine perspektivische Ansicht des Möbelbeschlages in Form eines Möbelantriebes, sowie schematische Ansichten einer in einer Öffnung angeordneten Gelenkachse gemäß dem Stand der Technik und gemäß der Erfindung,
Fig. 4a, 4b
zeigen den Möbelbeschlag in einer Seitenansicht sowie eine vergrößerte Detaildarstellung hierzu,
Fig. 5
zeigt ein Explosionsdarstellung eines Hebelmechanismus mit einem Federelement,
Fig. 6a, 6b
zeigen den Möbelbeschlag mit einem gering modifizierten Federelement in einer Seitenansicht und den dazu gehörigen Hebelmechanismus in einer Explosionsansicht.
Further details and advantages of the present invention are explained using the exemplary embodiments shown in the figures.
Fig. 1a, 1b
show a piece of furniture with a movable furniture part in a perspective view and in an exploded view,
Fig. 2
shows a perspective view of a furniture fitting to be arranged in a furniture panel,
Figs. 3a-3d
show a perspective view of the furniture fitting in the form of a furniture drive, as well as schematic views of a joint axis arranged in an opening according to the prior art and according to the invention,
Fig. 4a, 4b
show the furniture fittings in a side view as well as an enlarged detailed view,
Fig. 5
shows an exploded view of a lever mechanism with a spring element,
Fig. 6a, 6b
show the furniture fitting with a slightly modified spring element in a side view and the associated lever mechanism in an exploded view.

Fig. 1a zeigt eine perspektivische Ansicht eines Möbels 1, welches einen Möbelkorpus 2, ein relativ zum Möbelkorpus 2 bewegbar gelagertes Möbelteil 3 und zumindest einen Möbelbeschlag 4, beispielsweise in Form eines Möbelantriebes 4a, zum Bewegen des bewegbaren Möbelteiles 3 aufweist. Das Möbel 1 weist Möbelplatten 6 in Form von Seitenwänden, einen Oberboden 7 und einen Unterboden 8 auf. Das bewegbare Möbelteil 3 kann beispielsweise als eine um eine horizontale Achse relativ zum Möbelkorpus 2 verschwenkbare Möbelklappe 3a ausgebildet sein. Fig. 1a shows a perspective view of a piece of furniture 1, which has a furniture body 2, a furniture part 3 that is movably mounted relative to the furniture body 2 and at least one furniture fitting 4, for example in the form of a furniture drive 4a, for moving the movable furniture part 3. The furniture 1 has furniture panels 6 in the form of side walls, a top panel 7 and a bottom panel 8. The movable furniture part 3 can, for example, be designed as a furniture flap 3a which can be pivoted about a horizontal axis relative to the furniture body 2.

Im gezeigten Ausführungsbeispiel ist ein Gehäuse 9 (Fig. 1b) des Möbelbeschlages 4 zumindest teilweise, vorzugsweise im Wesentlichen vollständig, in der als Möbelplatte 6 ausgebildeten Seitenwand aufgenommen. Das bewegbare Möbelteil 3 ist zwischen einer den Möbelkorpus 2 verdeckenden Schließstellung und einer relativ zum Möbelkorpus 2 angehobenen Offenstellung bewegbar gelagert.In the exemplary embodiment shown, a housing 9 ( Fig. 1b ) of the furniture fitting 4 is at least partially, preferably substantially completely, accommodated in the side wall designed as a furniture panel 6. The movable furniture part 3 is movably mounted between a closed position that covers the furniture body 2 and an open position that is raised relative to the furniture body 2.

Selbstverständlich ist es auch möglich, den Möbelbeschlag 4 in einer horizontal verlaufenden Möbelplatte zu integrieren, also beispielweise im Oberboden 7, im Unterboden 8 und/oder in einem zwischen dem Oberboden 7 und dem Unterboden 8 angeordneten Regalbrett. In einem solchen Fall ist das bewegbare Möbelteil 3 relativ zum Möbelkorpus 2 um eine in Montagelage vertikal verlaufende Achse schwenkbar gelagert.Of course, it is also possible to integrate the furniture fitting 4 in a horizontally extending furniture panel, for example in the top shelf 7, in the bottom shelf 8 and/or in a shelf arranged between the top shelf 7 and the bottom shelf 8. In such a case, the movable furniture part 3 is pivotally mounted relative to the furniture body 2 about an axis that runs vertically in the assembled position.

Der Möbelbeschlag 4 weist im gezeigten Ausführungsbeispiel einen Hebelmechanismus 5 zum Bewegen des bewegbaren Möbelteiles 3 und wenigstens einen Kraftspeicher 10 (Fig. 1b) zur Kraftbeaufschlagung des Hebelmechanismus 5 auf.In the exemplary embodiment shown, the furniture fitting 4 has a lever mechanism 5 for moving the movable furniture part 3 and at least one energy storage device 10 ( Fig. 1b ) to apply force to the lever mechanism 5.

Fig. 1b zeigt das Möbel 1 in einer Explosionsdarstellung, wobei zwei, vorzugsweise identisch ausgebildete, Möbelbeschläge 4 in Form von Möbelantrieben 4a zum Bewegen des bewegbaren Möbelteiles 3 vorgesehen sind. Die Möbelbeschläge 4 weisen jeweils ein am Möbelkorpus 2 zu befestigendes Gehäuse 9 auf. Fig. 1b shows the furniture 1 in an exploded view, with two, preferably identically designed, furniture fittings 4 in the form of furniture drives 4a being provided for moving the movable furniture part 3. The furniture fittings 4 each have a housing 9 to be attached to the furniture body 2.

Gemäß einem Ausführungsbeispiel kann vorgesehen sein, dass das Gehäuse 9 des Möbelbeschlages 4 in einem Montagezustand zumindest bereichsweise, vorzugsweise im Wesentlichen vollständig, innerhalb einer Aussparung 11 der als Möbelplatten 6 ausgebildeten Seitenwände aufgenommen ist. In einem montierten Zustand kann das Gehäuse 9 mit einer Stirnseite 6a der Möbelplatte 6 im Wesentlichen bündig abschließen.According to one exemplary embodiment, it can be provided that the housing 9 of the furniture fitting 4 is accommodated in an assembled state at least partially, preferably essentially completely, within a recess 11 of the side walls designed as furniture panels 6. In an assembled state, the housing 9 can be essentially flush with an end face 6a of the furniture panel 6.

Die Aussparung 11 ist beispielsweise als Sackloch ausgebildet, wobei das Gehäuse 9 des Möbelbeschlages 4 bei der Montage von vorne her (d.h. ausgehend von der schmalen Stirnseite 6a der Möbelplatte 6) in die, vorzugsweise taschenförmige, Aussparung 11 der Möbelplatte 6 einschiebbar ist. In einem montierten Zustand ist das Gehäuse 9 des Möbelbeschlages 4 im Wesentlichen vollständig innerhalb einer vorgegebenen Wandstärke der Möbelplatte 6 aufgenommen.The recess 11 is designed, for example, as a blind hole, with the housing 9 of the furniture fitting 4 being able to be inserted into the, preferably pocket-shaped, recess 11 of the furniture panel 6 from the front (i.e. starting from the narrow end face 6a of the furniture panel 6) during assembly. In an assembled state, the housing 9 of the furniture fitting 4 is essentially completely accommodated within a predetermined wall thickness of the furniture panel 6.

Im oder am Gehäuse 9 ist zumindest ein, insbesondere eine Federvorrichtung umfassender, Kraftspeicher 10 zur Kraftbeaufschlagung des Hebelmechanismus 5 angeordnet. Am vorderen Endbereich des Gehäuses 9 ist eine Abdeckung 12 vorgesehen, wobei zumindest ein bewegbar gelagerter Hebel 5a, 5b, 5c (Fig. 3a) des Hebelmechanismus 5 in einer Offenstellung des Hebelmechanismus 5 durch die Abdeckung 12 hindurchragt.At least one force accumulator 10, in particular comprising a spring device, is arranged in or on the housing 9 for applying force to the lever mechanism 5. A cover 12 is provided at the front end region of the housing 9, with at least one movably mounted lever 5a, 5b, 5c ( Fig. 3a ) of the lever mechanism 5 protrudes through the cover 12 in an open position of the lever mechanism 5.

Fig. 2 zeigt eine perspektivische Ansicht des in der Möbelplatte 6 anzuordnenden Möbelbeschlages 4, wobei das Gehäuse 9 des Möbelbeschlages 4 in einem montierten Zustand im Wesentlichen vollständig innerhalb der Möbelplatte 6 anordenbar ist. Die Möbelplatte 6 umfasst eine, beispielsweise sacklochförmige, Aussparung 11 zur Aufnahme des Möbelbeschlages 4. Das Gehäuse 9 des Möbelbeschlages 4 ist also dazu ausgebildet, in einer Möbelplatte 6 des Möbelkorpus 2 eingesetzt oder integriert zu werden. Fig. 2 shows a perspective view of the furniture fitting 4 to be arranged in the furniture panel 6, wherein the housing 9 of the furniture fitting 4 can be arranged essentially completely within the furniture panel 6 in an assembled state. The furniture panel 6 includes a, for example blind hole-shaped, recess 11 for receiving the furniture fitting 4. The housing 9 of the furniture fitting 4 is therefore designed to be inserted or integrated into a furniture panel 6 of the furniture body 2.

Das Gehäuse 9 des Möbelbeschlages 4 kann im Wesentlichen quaderförmig ausgebildet sein und umfasst im gezeigten Ausführungsbeispiel zwei flach ausgebildete und parallel voneinander beabstandete Gehäusewände 9a, 9b, zwischen denen der Hebelmechanismus 5 zum Bewegen des bewegbaren Möbelteiles 3 und der Kraftspeicher 10 zur Kraftbeaufschlagung des Hebelmechanismus 5 aufnehmbar sind.The housing 9 of the furniture fitting 4 can be essentially cuboid and, in the exemplary embodiment shown, comprises two flat housing walls 9a, 9b spaced apart from one another in parallel, between which the lever mechanism 5 for moving the movable furniture part 3 and the energy storage 10 for applying force to the lever mechanism 5 can be received are.

Fig. 3a zeigt eine perspektivische Ansicht des Möbelbeschlages 4 in Form des Möbelantriebes 4a. Der Kraftspeicher 10 zur Kraftbeaufschlagung des Hebelmechanismus 5 kann beispielsweise mehrere Schraubenfedern, insbesondere Druckfedern, aufweisen. Der Kraftspeicher 10 stützt sich mit einem ersten Endbereich an einem um eine Drehachse 15 schwenkbaren Stützteil 14 ab. Ein zweiter Endbereich des Kraftspeichers 10 ist an einer Angriffsstelle 16 gelagert, welche durch eine Einstellvorrichtung 17 entlang einer Gewindespindel 20 bewegbar gelagert ist. Fig. 3a shows a perspective view of the furniture fitting 4 in the form of the furniture drive 4a. The energy accumulator 10 for applying force to the lever mechanism 5 can, for example, have several coil springs, in particular compression springs. The energy accumulator 10 is supported with a first end region on a support part 14 which can be pivoted about an axis of rotation 15. A second end region of the energy accumulator 10 is mounted at an attack point 16, which is mounted movably along a threaded spindle 20 by an adjusting device 17.

Die Gewindespindel 20 ist im gezeigten Ausführungsbeispiel an einem um eine Drehachse 19 schwenkbaren Zwischenhebel 18 angeordnet. Durch eine Betätigung eines, vorzugsweise drehbar, gelagerten Bedienelementes 17a der Einstellvorrichtung 17 ist die Angriffsstelle 16 entlang der Gewindespindel 20 bewegbar, wobei der Abstand zwischen der Angriffsstelle 16 und der Drehachse 19 des Zwischenhebels 18 und damit das auf den Hebelmechanismus 5 ausgeübte Drehmoment des Kraftspeichers 10 einstellbar ist.In the exemplary embodiment shown, the threaded spindle 20 is arranged on an intermediate lever 18 which can be pivoted about an axis of rotation 19. By actuating a preferably rotatably mounted control element 17a of the adjusting device 17, the point of application 16 can be moved along the threaded spindle 20, the distance between the point of application 16 and the axis of rotation 19 of the intermediate lever 18 and thus the torque of the energy accumulator 10 exerted on the lever mechanism 5 is adjustable.

Das Bedienelement 17a der Einstellvorrichtung 17 ist in einem montierten Zustand des Möbelbeschlages 4 dem bewegbaren Möbelteil 3 zugewandt und in einem vorderen Bereich eines Gehäuses 9 des Möbelbeschlages 4 angeordnet.The control element 17a of the adjusting device 17 faces the movable furniture part 3 in an assembled state of the furniture fitting 4 and is arranged in a front region of a housing 9 of the furniture fitting 4.

Der Hebelmechanismus 5 ist, wie an sich bekannt, mit einem am bewegbaren Möbelteil 3 zu befestigenden Beschlagelement 22 lösbar verriegelbar.As is known per se, the lever mechanism 5 can be releasably locked with a fitting element 22 to be attached to the movable furniture part 3.

Der Hebelmechanismus 5 weist wenigstens einen Hebel 5a auf, welcher um eine Gelenkachse 21a schwenkbar gelagert ist, wobei der wenigstens eine Hebel 5a wenigstens eine, insbesondere zylindrische, Öffnung 23 (Fig. 3a-3d) aufweist, in welcher die Gelenkachse 21a mit einem Spiel angeordnet ist. Im gezeigten Ausführungsbeispiel weist der Hebelmechanismus 5 mehrere Hebel 5a, 5b, 5c, 5d zum Bewegen des bewegbaren Möbelteiles 3 auf, wobei die Hebel 5a, 5b, 5c, 5d durch Gelenkachsen 21a, 21b, 21c gelenkig miteinander verbunden sind.The lever mechanism 5 has at least one lever 5a, which is pivotally mounted about a joint axis 21a, the at least one lever 5a having at least one, in particular cylindrical, opening 23 ( Figs. 3a-3d ), in which the joint axis 21a is arranged with play. In the exemplary embodiment shown the lever mechanism 5 has a plurality of levers 5a, 5b, 5c, 5d for moving the movable furniture part 3, the levers 5a, 5b, 5c, 5d being connected to one another in an articulated manner by hinge axes 21a, 21b, 21c.

Fig. 3b zeigt die Anordnung einer Gelenkachse 21a innerhalb einer zylindrischen Öffnung 23 eines Hebels 5a gemäß dem Stand der Technik. Die Gelenkachse 21a liegt unter dem Einfluss des Kraftspeichers 10 an einer ersten Anlagestelle der Öffnung 23 an. Fig. 3b shows the arrangement of a joint axis 21a within a cylindrical opening 23 of a lever 5a according to the prior art. The joint axis 21a lies under the influence of the energy storage 10 at a first contact point of the opening 23.

Bei Überschreitung einer Totpunktlage des Hebelmechanismus 5 findet ein Richtungswechsel der auf den Hebelmechanismus 5 ausgeübten Kraft des Kraftspeichers 10 statt, d.h. innerhalb eines Schließbereiches zwischen der vollständigen Schließstellung und der Totpunktlage des Hebelmechanismus 5 wird vom Kraftspeicher 10 eine Schließkraft auf den Hebelmechanismus 5 ausgeübt. Innerhalb eines Öffnungsbereiches zwischen der Totpunktlage und der vollständigen Offenstellung des Hebelmechanismus 5 wird vom Kraftspeicher 10 hingegen eine Öffnungskraft auf den Hebelmechanismus 5 ausgeübt.When a dead center position of the lever mechanism 5 is exceeded, a change in direction of the force of the force accumulator 10 exerted on the lever mechanism 5 takes place, i.e. within a closing range between the completely closed position and the dead center position of the lever mechanism 5, a closing force is exerted by the force accumulator 10 on the lever mechanism 5. However, within an opening area between the dead center position and the completely open position of the lever mechanism 5, the force accumulator 10 exerts an opening force on the lever mechanism 5.

Dieser Richtungswechsel der Federkraft führt dazu, dass die Gelenkachse 21a, wie in Fig. 3b gezeigt, von der ersten Anlagestelle 24a innerhalb der Öffnung 23 des Hebels 5a ruckartig zu einer zweiten Anlagestelle 24b springt (rechte Abbildung der Fig. 3b). Dies führt zu einem undefinierten Bewegungsverhalten des Hebelmechanismus 5 im Bereich der Totpunktlage. Außerdem ist der Sprung der Gelenkachse 21a ausgehend von der ersten Anlagestelle 24a zur zweiten Anlagestelle 24b mit unerwünschten Geräuschentwicklungen verbunden.This change in direction of the spring force causes the joint axis 21a, as in Fig. 3b shown, jumps abruptly from the first contact point 24a within the opening 23 of the lever 5a to a second contact point 24b (right illustration of Fig. 3b ). This leads to an undefined movement behavior of the lever mechanism 5 in the area of the dead center position. In addition, the jump of the joint axis 21a from the first contact point 24a to the second contact point 24b is associated with undesirable noise developments.

Fig. 3c zeigt ebenfalls eine Ausführungsform gemäß dem Stand der Technik, nämlich gemäß der in der Beschreibungseinleitung bereits genannten WO 2017/143379 A1 . Bei diesem Stand der Technik ist es so, dass die Gelenkachse 21a durch einen federelastischen Hebel mit einer entsprechend großen Kraftwirkung ortsfest gegen die Anlagestelle 24a der Öffnung 23 gedrückt wird, wodurch das ruckartige Springen der Gelenkachse 21a innerhalb der Öffnung 23 des Hebels 5a zur zweiten Anlagestelle 24b verhindert wird. Nachteilig daran ist, dass dabei auch die Reibung zwischen der Gelenkachse 21a und der Anlagekontur der Öffnung 23 erhöht wird. Daher sind auch entsprechend hohe manuelle Kräfte zum Bewegen des Möbelbeschlages 4 notwendig. Fig. 3c also shows an embodiment according to the prior art, namely according to that already mentioned in the introduction to the description WO 2017/143379 A1 . In this prior art, the joint axis 21a is pressed in a stationary manner against the contact point 24a of the opening 23 by a spring-elastic lever with a correspondingly large force, which causes the joint axis 21a to jump suddenly within the opening 23 of the lever 5a to the second contact point 24b is prevented. The disadvantage of this is that the friction between the Joint axis 21a and the contact contour of the opening 23 is increased. Therefore, correspondingly high manual forces are necessary to move the furniture fitting 4.

Fig. 3d zeigt schematisch das Grundprinzip der vorliegenden Erfindung. Anstatt die Gelenkachse 21a gemäß dem Stand der Technik der Fig. 3c durch Federkraft ortsfest an einer Anlagestelle 24a zu fixieren, wird die Gelenkachse 21a (d.h. ein vorzugsweise zylindrischer Bolzen der Gelenkachse 21a) gemäß Fig. 3d durch ein Federelement 25 in einer Richtung quer zu einer gedachten Verbindungslinie 26 der beiden Anlagestellen 24a, 24b in der Öffnung 23 des Hebels 5a mit einer Kraft beaufschlagt. Dies hat zur Folge, dass die Gelenkachse 21a bei einem Richtungswechsel der Kraft des Kraftspeichers 10 entlang einer Anlagekontur 24c, welche die erste Anlagestelle 24a und die zweite Anlagestelle 24b miteinander verbindet, unter dem Einfluss des Kraftspeichers 10 und einer Kraft des Federelementes 25 entlang der bogenförmigen Anlagekontur 24c der Öffnung 23 gleitend geführt ist. Fig. 3d shows schematically the basic principle of the present invention. Instead of the joint axis 21a according to the prior art Fig. 3c To be fixed in place at a contact point 24a by spring force, the joint axis 21a (ie a preferably cylindrical bolt of the joint axis 21a) is according to Fig. 3d a force is applied by a spring element 25 in a direction transverse to an imaginary connecting line 26 of the two contact points 24a, 24b in the opening 23 of the lever 5a. The result of this is that when the force of the force accumulator 10 changes direction, the joint axis 21a along a contact contour 24c, which connects the first contact point 24a and the second contact point 24b, under the influence of the energy storage device 10 and a force of the spring element 25 along the arcuate Contact contour 24c of the opening 23 is slidably guided.

Somit kann zwar die Gelenkachse 21a innerhalb der Öffnung 23 des Hebels 5a zwischen den beiden Anlagestellen 5a, 5b bewegt werden, allerdings erfolgt diese Bewegung in einem gleitenden Kontakt mit der Anlagekontur 24c. Auf diese Weise werden ruckartige Sprünge der Gelenkachse 21a innerhalb der Öffnung 23 und damit einhergehende Geräuschentwicklungen wirkungsvoll verhindert. Die Kraft des Federelementes 25 kann relativ gering dimensioniert werden, wodurch die Reibung zwischen der Gelenkachse 21a und der Anlagekontur 24c in einem tolerierbaren Rahmen gehalten werden kann.Thus, although the joint axis 21a can be moved within the opening 23 of the lever 5a between the two contact points 5a, 5b, this movement takes place in sliding contact with the contact contour 24c. In this way, jerky jumps of the joint axis 21a within the opening 23 and the associated noise development are effectively prevented. The force of the spring element 25 can be dimensioned relatively low, whereby the friction between the joint axis 21a and the contact contour 24c can be kept within a tolerable range.

Fig. 4a zeigt den Möbelbeschlag 4 in Form des Möbelantriebes 4a in einer Seitenansicht, wobei sich der Hebelmechanismus 5 in einer maximalen Offenstellung in Bezug zum Gehäuse 9 des Möbelbeschlages 4 befindet. Fig. 4a shows the furniture fitting 4 in the form of the furniture drive 4a in a side view, the lever mechanism 5 being in a maximum open position in relation to the housing 9 of the furniture fitting 4.

Durch eine Begrenzungsvorrichtung 28 mit einem drehbar gelagerten Einstellrad 28a kann die Lage der maximalen Offenstellung des Hebelmechanismus 5 begrenzt werden. Auf diese Weise können Kollisionen des bewegbaren Möbelteiles 3 mit einer Raumdecke verhindert werden.The position of the maximum open position of the lever mechanism 5 can be limited by a limiting device 28 with a rotatably mounted adjustment wheel 28a. In this way, collisions between the movable furniture part 3 and a ceiling can be prevented.

Der Hebelmechanismus 5 weist zumindest einen Hebel 5a auf, welcher um eine Gelenkachse 21a schwenkbar gelagert ist. Im gezeigten Ausführungsbeispiel sind mehrere Hebel 5a, 5b, 5c, 5d vorgesehen, welche über Gelenkachsen 21a, 21b, 21c miteinander gelenkig verbunden sind. Durch ein Federelement 25, beispielsweise eine Formfeder aus Stahl, ist die Gelenkachse 21a mit einer Querkraft beaufschlagbar. Das Federelement 25 ist an zumindest einem Anschlag 27a, 27b abstützbar, sodass eine ausreichend hohe Kraft auf die Gelenkachse 21a aufbringbar ist.The lever mechanism 5 has at least one lever 5a, which is pivotally mounted about a joint axis 21a. In the exemplary embodiment shown, several levers 5a, 5b, 5c, 5d are provided, which are connected to one another in an articulated manner via hinge axes 21a, 21b, 21c. The joint axis 21a can be subjected to a transverse force by a spring element 25, for example a shaped spring made of steel. The spring element 25 can be supported on at least one stop 27a, 27b, so that a sufficiently high force can be applied to the joint axis 21a.

Der Hebelmechanismus 5 kann zumindest fünf, vorzugsweise zumindest sieben, Gelenkachsen 21a, 21b, 21c aufweisen.The lever mechanism 5 can have at least five, preferably at least seven, joint axes 21a, 21b, 21c.

Der wenigstens eine Hebel 5a ist über die Gelenkachse 21a mit wenigstens einem zweiten Hebel 5b des Hebelmechanismus 5 verbunden, wobei eine Relativstellung der beiden Hebel 5a, 5b bei einer Schwenkbewegung änderbar ist.The at least one lever 5a is connected to at least one second lever 5b of the lever mechanism 5 via the joint axis 21a, with a relative position of the two levers 5a, 5b being changeable during a pivoting movement.

In der gezeigten Figur ist der wenigstens eine zweite Hebel 5b über eine weitere Gelenkachse 21b mit wenigstens einem dritten Hebel 5c des Hebelmechanismus 5 schwenkbar verbunden. Vorzugsweise ist vorgesehen, dass das wenigstens eine Federelement 25 sowohl eine Kraft auf die Gelenkachse 21a, welche den wenigstens einen Hebel 5a mit dem wenigstens einen zweiten Hebel 5b verbindet, als auch eine Kraft auf die weitere Gelenkachse 21b ausübt.In the figure shown, the at least one second lever 5b is pivotally connected to at least one third lever 5c of the lever mechanism 5 via a further joint axis 21b. It is preferably provided that the at least one spring element 25 exerts both a force on the joint axis 21a, which connects the at least one lever 5a with the at least one second lever 5b, and a force on the further joint axis 21b.

Der Hebelmechanismus 5 kann eine parallelogrammförmig angeordnete Hebelkonfiguration aufweisen, wobei der wenigstens eine Hebel 5a Teil der Hebelkonfiguration ist. Das Federelement 25 kann zwischen zwei Gelenkachsen 21a, 21b der Hebelkonfiguration wirksam sein. Dies hat den Vorteil, dass mit einem einzigen Federelement 25 zumindest zwei Gelenkachsen 21a, 21b mit einer Querkraft beaufschlagbar sind.The lever mechanism 5 can have a lever configuration arranged in a parallelogram shape, with the at least one lever 5a being part of the lever configuration. The spring element 25 can be effective between two joint axes 21a, 21b of the lever configuration. This has the advantage that with a single spring element 25, at least two joint axes 21a, 21b can be subjected to a transverse force.

Der wenigstens eine zweite Hebel 5b ist über eine weitere Gelenkachse 21b mit wenigstens einem dritten Hebel 5c des Hebelmechanismus 5 schwenkbar verbunden. Vorzugsweise ist vorgesehen, dass das Federelement 25 sowohl eine Kraft auf die Gelenkachse 21a, welche den wenigstens einen Hebel 5a mit dem wenigstens einen zweiten Hebel 5b verbindet, als auch eine Kraft auf die weitere Gelenkachse 21b ausübt.The at least one second lever 5b is pivotally connected to at least one third lever 5c of the lever mechanism 5 via a further joint axis 21b. It is preferably provided that the spring element 25 exerts both a force on the joint axis 21a, which connects the at least one lever 5a with the at least one second lever 5b, and a force on the further joint axis 21b.

Fig. 4b zeigt den in Fig. 4a eingerahmten Bereich in einer vergrößerten Ansicht. Zu erkennen ist, dass das an den Anschlägen 27a, 27b abgestützte Federelement 25 sowohl auf die erste Gelenkachse 21a eine erste Kraft F1 als auch auf die zweite Gelenkachse 21b eine zweite Kraft F2 ausübt. Fig. 4b shows the in Fig. 4a framed area in an enlarged view. It can be seen that the spring element 25 supported on the stops 27a, 27b exerts a first force F1 on both the first joint axis 21a and a second force F2 on the second joint axis 21b.

Gemäß einer bevorzugten Ausführungsform ist vorgesehen, dass das wenigstens eine Federelement 25 zumindest eine Gelenkachse 21a, 21b bereichsweise umgreift und/oder gegen einen Umfangsrand der Gelenkachse 21a, 21b drückt.According to a preferred embodiment, it is provided that the at least one spring element 25 partially surrounds at least one joint axis 21a, 21b and/or presses against a peripheral edge of the joint axis 21a, 21b.

Das Federelement 25 ist an wenigstens einem Anschlag 27a, 27b abstützbar. Der Anschlag 27a, 27b kann bolzenförmig oder als ein Steg eines Hebels 5a, 5b, 5c, 5d des Hebelmechanismus 5 ausgebildet sein.The spring element 25 can be supported on at least one stop 27a, 27b. The stop 27a, 27b can be bolt-shaped or designed as a web of a lever 5a, 5b, 5c, 5d of the lever mechanism 5.

Gemäß einem Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass das wenigstens eine Federelement 25

  • zumindest bereichsweise gekrümmt ausgebildet ist, und/oder
  • zumindest bereichsweise elastisch verformbar ausgebildet ist, und/oder
  • als Formfeder ausgebildet ist, und/oder
  • aus Metall besteht, und/oder
  • zwischen zumindest zwei Gelenkachsen 21a, 21b, 21c des Hebelmechanismus 5 wirksam ist.
According to an exemplary embodiment of the invention, it can be provided that the at least one spring element 25
  • is at least partially curved, and / or
  • is at least partially designed to be elastically deformable, and/or
  • is designed as a shaped spring, and/or
  • made of metal, and/or
  • between at least two joint axes 21a, 21b, 21c of the lever mechanism 5 is effective.

Fig. 5 zeigt eine Explosionsdarstellung des Hebelmechanismus 5 mit einem Federelement 25 zur Kraftbeaufschlagung wenigstens einer Gelenkachse 21a, 21b, 21c, 21d, 21e, 21f. Der Hebelmechanismus 5 kann mehrere gelenkig miteinander verbundene Hebel 5a, 5b, 5c, 5d umfassen, welche um die Gelenkachsen 21a, 21b, 21c, 21d, 21e, 21f schwenkbar gelagert sind. Durch das Federelement 25 und die Anschläge 27a, 27b ist sowohl die Gelenkachse 21a als auch die Gelenkachse 21b mit einer Kraft F1, F2 beaufschlagbar. Fig. 5 shows an exploded view of the lever mechanism 5 with a spring element 25 for applying force to at least one joint axis 21a, 21b, 21c, 21d, 21e, 21f. The lever mechanism 5 can comprise a plurality of levers 5a, 5b, 5c, 5d which are connected to one another in an articulated manner and which are pivotally mounted about the joint axes 21a, 21b, 21c, 21d, 21e, 21f. Through the spring element 25 and the stops 27a, 27b, both the joint axis 21a and the joint axis 21b can be acted upon with a force F1, F2.

Es ist jedoch auch möglich, durch ein einziges Federelement 25 zwei oder mehrere Gelenkachsen 21a, 21b, 21c, 21d, 21e, 21f mit einer Kraft zu beaufschlagen. Dies kann beispielsweise durch ein Federelement 25 in Form einer Federspange erfolgen, welche gleichzeitig gegen mehrere Gelenkachsen 21a, 21b, 21c, 21d, 21e, 21f drückt.However, it is also possible to apply a force to two or more joint axes 21a, 21b, 21c, 21d, 21e, 21f using a single spring element 25. This can be done, for example, by a spring element 25 in the form of a spring clip, which simultaneously presses against several joint axes 21a, 21b, 21c, 21d, 21e, 21f.

Fig. 6a zeigt eine Seitenansicht des als Möbelantrieb 4a ausgebildeten Möbelbeschlages 4 mit einem gering modifizierten Federelement 25. Anders als im zuvor beschriebenen Ausführungsbeispiel ist das Federelement 25 um eine Gelenkachse 21a, 21b, 21c, 21d, 21e, 21f schwenkbar gelagert, wobei das Federelement 25 die Gelenkachse 21a, 21b, 21c, 21d, 21e, 21f vollständig umgreift. Fig. 6a shows a side view of the furniture fitting 4 designed as a furniture drive 4a with a slightly modified spring element 25. Unlike the previously described exemplary embodiment, the spring element 25 is pivotally mounted about a joint axis 21a, 21b, 21c, 21d, 21e, 21f, the spring element 25 being the joint axis 21a, 21b, 21c, 21d, 21e, 21f completely encompasses.

Im gezeigten Ausführungsbeispiel ist das Federelement 25 um die erste Gelenkachse 21a schwenkbar gelagert, stützt sich mit einem mittleren Bereich an einem als Steg ausgebildeten Anschlag 27c des Hebels 5b ab und drückt mit einem freien Ende gegen einen Umfangsrand der zweiten Gelenkachse 21b.In the exemplary embodiment shown, the spring element 25 is pivotally mounted about the first joint axis 21a, is supported with a central region on a stop 27c of the lever 5b designed as a web and presses with a free end against a peripheral edge of the second joint axis 21b.

Fig. 6b zeigt den Hebelmechanismus 5 des in Fig. 6a gezeigten Möbelbeschlages 4 in einer Explosionsansicht. Zu erkennen ist das um die Gelenkachse 21a schwenkbare Federelement 25, welches an einem Anschlag 27c des Hebels 5b abstützbar und gegen die Gelenkachse 21b drückbar ist. Fig. 6b shows the lever mechanism 5 of the in Fig. 6a Furniture fitting 4 shown in an exploded view. What can be seen is the spring element 25, which can be pivoted about the joint axis 21a and can be supported on a stop 27c of the lever 5b and can be pressed against the joint axis 21b.

Claims (13)

  1. A furniture fitting (4) for movably supporting at least one furniture part (3) on a furniture carcass (2), comprising:
    - a lever mechanism (5) for moving the at least one furniture part (3), the lever mechanism (5) including at least one lever (5a) pivotally supported about a hinge axis (21a), and the at least one lever (5a) has at least one, in particular cylindrical, opening (23) in which the hinge axis (21a) is arranged with a clearance,
    - at least one force storage member (10), preferably including a spring device, for applying a force to the lever mechanism (5), wherein the at least one hinge axis (21a), upon a pivoting movement of the at least one lever (5a), is movable from a first bearing location (24a) within the at least one opening (23) to a second bearing location (24b) within the at least one opening (23) under the influence of the at least one force storage member (10),
    characterized in that at least one spring element (25) is provided, the at least one spring element (25) pressurizing the hinge axis (21a) with a force (F1, F2) at least in a direction extending transversely to a notional connecting line (26) of the two bearing locations (24a, 24b) of the at least one hinge axis (21a) within the at least one opening (23) of the at least one lever (5a).
  2. The furniture fitting (4) according to claim 1, characterized in that the lever mechanism (5) has a dead-center position, in which the lever mechanism (5) is neither pressurized in a closing direction nor in an opening direction by the at least one force storage member (10), wherein the at least one hinge axis (21a) is movable from the first bearing location (24a) to the second bearing location (24b) when the dead-center position is exceeded.
  3. The furniture fitting (4) according to claim 1 or 2, characterized in that the opening (23) of the at least one lever (5a) includes a bearing contour (24c) connecting the first bearing location (24a) and the second bearing location (24b) to each other, wherein the hinge axis (21a), upon a pivoting movement of the at least one lever (5a), is glidingly guided along the bearing contour (24c) under the influence of the at least one force storage member (10) and the at least one spring element (25).
  4. The furniture fitting (4) according to one of the claims 1 to 3, characterized in that the lever mechanism (5) includes at least one lever configuration arranged in a parallelogram-shape, wherein the at least one lever (5a) is part of the lever configuration, preferably wherein the at least one spring element (25) is operative between two hinge axes (21a, 21b) of the lever configuration.
  5. The furniture fitting (4) according to one of the claims 1 to 4, characterized in that the at least one lever (5a) is connected to at least one second lever (5b) of the lever mechanism (5) via the hinge axis (21a), wherein a relative position of the two levers (5a, 5b) can be varied upon a pivoting movement.
  6. The furniture fitting (4) according to claim 5, characterized in that the at least one second lever (5b) is pivotally connected to at least one third lever (5c) of the lever mechanism (5) via a further hinge axis (21b), preferably wherein the at least one spring element (25) applies a force (F1) to the hinge axis (21a) connecting the at least one lever (5a) to the at least one second lever (5b), and also applies a force (F2) to the further hinge axis (21b).
  7. The furniture fitting (4) according to one of the claims 1 to 6, characterized in that the at least one spring element (25) at least partially embraces the hinge axis (21a) and/or presses against a peripheral rim of the hinge axis (21a, 21b).
  8. The furniture fitting (4) according to one of the claims 1 to 7, characterized in that the at least one spring element (25) can be supported on at least one abutment (27a, 27b, 27c), preferably wherein the at least one abutment (27a, 27b, 27c) is pin-shaped or is configured as a limb of a lever (5a, 5b, 5c, 5d) of the lever mechanism (5).
  9. The furniture fitting (4) according to one of the claims 1 to 8, characterized in that the at least one spring element (25)
    - is configured to be curved-shaped at least over a region, and/or
    - is configured to be elastically deformable at least over a region, and/or
    - is configured as a form spring, and/or
    - consists of metal, and/or
    - is operative between at least two hinge axes (21a, 21b, 21c) of the lever mechanism (5).
  10. The furniture fitting (4) according to one of the claims 1 to 9, characterized in that the lever mechanism (5) includes at least five, preferably at least seven, hinge axes (21a, 21b, 21c, 21d, 21e, 21f).
  11. The furniture fitting (4) according to one of the claims 1 to 10, characterized in that the furniture fitting (4) includes at least one adjustment device (17) for adjusting a force of the force storage member (10) to the lever mechanism (5), preferably wherein the adjustment device (17)
    - includes an, preferably rotatable, operating element (17a), wherein a force of the spring device (10) to the lever mechanism (5) is adjustable by an actuation of the operating element (17a), and/or
    - includes a threaded portion (20), wherein an engagement location (16) of the force storage member (10) along the threaded portion (20) is adjustable by an actuation of the adjustment device (17), and/or
    - an operating element (17a) of the adjustment device (17), in a mounted condition of the furniture fitting (4), faces towards the movable furniture part (3) and is arranged in a front region of the housing (9) of the furniture fitting (4).
  12. The furniture fitting (4) according to one of the claims 1 to 11, characterized in that the furniture fitting (4) includes a housing (9) configured to be inserted or to be integrated within a furniture panel (6) of the furniture carcass (2).
  13. An item of furniture (1) comprising a furniture carcass (2), a furniture part (3) movable relative to the furniture carcass (2), preferably a furniture flap (3a) configured to be elevated relative to the furniture carcass (2), and a furniture fitting (4) according to one of the claims 1 to 12 for moving the movable furniture part (3).
EP21806948.2A 2020-11-12 2021-11-05 Furniture fitting for the movable mounting of a piece of furniture Active EP4244456B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50981/2020A AT524393B1 (en) 2020-11-12 2020-11-12 Furniture fitting for the movable storage of a piece of furniture
PCT/AT2021/060408 WO2022099332A1 (en) 2020-11-12 2021-11-05 Furniture fittings for the movable mounting of a furniture part

Publications (2)

Publication Number Publication Date
EP4244456A1 EP4244456A1 (en) 2023-09-20
EP4244456B1 true EP4244456B1 (en) 2024-01-24

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ID=78621564

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US (1) US20230265699A1 (en)
EP (1) EP4244456B1 (en)
JP (1) JP2023549361A (en)
KR (1) KR20230084548A (en)
CN (1) CN116529452A (en)
AT (1) AT524393B1 (en)
WO (1) WO2022099332A1 (en)

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Publication number Priority date Publication date Assignee Title
CN111561240A (en) * 2020-05-29 2020-08-21 清远市星徽精密制造有限公司 Furniture hinge device capable of being loaded in large range

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613661C2 (en) * 1976-03-31 1982-11-04 Paul Hettich & Co, 4983 Kirchlengern Articulated lever for a furniture hinge
AT16872U1 (en) * 2016-02-26 2020-11-15 Blum Gmbh Julius Actuator drive
AT16381U1 (en) * 2016-02-26 2019-08-15 Blum Gmbh Julius Deputy arm drive

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CN116529452A (en) 2023-08-01
WO2022099332A1 (en) 2022-05-19
AT524393B1 (en) 2022-07-15
KR20230084548A (en) 2023-06-13
EP4244456A1 (en) 2023-09-20
US20230265699A1 (en) 2023-08-24
JP2023549361A (en) 2023-11-24

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