COUPLING DESIGNED AS A FURNITURE COUPLING OR AS A CONSTRUCTION COUPLING
Patent Information
- Application Number
- IT112026000144637
- Authority / Receiving Office
- IT · IT
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-03-14
- Filing Date
- 2026-08-25
AI Technical Summary
Existing fittings for pivotally supporting door elements tend to become unstable in certain open positions, causing the door element to sag and potentially drag on the floor, especially within an opening angle range of 90° to 160°.
The fitting design incorporates specific angle ranges between the axis of rotation and the base axis (33° to 55°) and door axis (30° to 60°), along with articulated lever mechanisms, to enhance stability and minimize sagging, allowing for a large opening angle range without instability.
The specified angle ranges and articulated lever mechanisms significantly improve the fitting's stability, reducing the risk of sagging and dragging, ensuring smooth operation over a wide opening angle range.
Abstract
Description
[0001] Fitting which is designed as furniture fitting or as building fitting
[0002] The present invention relates to a fitting, which is designed as a furniture fitting or as a building fitting, for pivotally supporting a door element relative to a stationary base, comprising:
[0003] - a base fitting for attachment to the stationary base,
[0004] - a door fitting part for fastening to the door element, wherein the door fitting part is pivotally mounted relative to the base fitting part about an imaginary axis of rotation,
[0005] - at least one first articulated lever, which has a
[0006] Base axis is pivotally connected to the base fitting part,
[0007] - at least one second articulated lever, which has a
[0008] Door axis is pivotally connected to the door fitting part, wherein the first articulated lever and the second articulated lever are pivotally connected to one another via at least one central axis,
[0009] - whereby the base axis, the door axis and the central axis each run obliquely to the axis of rotation.
[0010] Furthermore, the invention relates to an arrangement with a stationary base, at least one door element pivotable relative to the stationary base and with at least one fitting of the type to be described for pivotably supporting the at least one door element relative to the stationary base.
[0011] Furthermore, the invention relates to a use of the fitting to be described, which is used to support a blunt door element or a folded door element relative to a stationary base. A fitting of the type mentioned at the outset is shown, for example, in AT 14165 Ul by the applicant. The fitting has two fitting parts for fastening to furniture parts, wherein the two fitting parts are pivotally connected to one another via an articulated lever mechanism. The articulated lever mechanism has at least two articulated levers connected to one another in an articulated manner, wherein the joint axes of the articulated levers run obliquely to an imaginary pivot axis of the fitting.
[0012] This type of fitting has the advantage that the hinge axes can be arranged very compactly relative to one another and that the fitting takes up very little space in the closed position. The space required for arranging the fitting is therefore relatively small. The compact design of the fitting also provides additional space for any drives. Despite the compact arrangement in the closed position, a large opening angle range of the fitting can be achieved, and complex kinematics can also be controlled.
[0013] A disadvantage of the state of the art is that the fitting tends to become unstable in certain open positions, so that the door element connected to the fitting lowers in an open position and can drag on the floor.
[0014] The object of the present invention is to provide an improved fitting of the type mentioned at the outset while avoiding the disadvantages discussed above.
[0015] This is achieved according to the invention by the features of claim 1. Further advantageous embodiments of the present invention are specified in the dependent claims. According to the invention, it is provided that
[0016] - the angle enclosed between the axis of rotation and the base axis is between 33° and 55°, preferably between 38° and 48°, and particularly preferably approximately 43°, and that
[0017] - the angle enclosed between the rotation axis and the door axis is between 30° and 60°, preferably between 48° and 60°, and particularly preferably approximately 50°.
[0018] Numerous calculations, simulations, and tests conducted by the applicant have shown that the above-mentioned angle ranges and angle specifications lead to a significant improvement in the stability of the fitting and to minimal sagging of a door element connected to the fitting. In particular, this can significantly reduce the risk of the door element sagging, particularly within an opening angle range between 90° and 160°, and the risk of it dragging on the floor.
[0019] Further details and advantages of the present invention will become apparent from the following description of the figures.
[0020] Fig. 1 shows a perspective view of an arrangement with a stationary base, wherein a door element is pivotally mounted relative to the stationary base via fittings,
[0021] Fig. 2a-2c show the stationary base in a front view and in a cross-section, as well as a diagram of the movements of a door element during opening according to the prior art and a diagram of the movements of a door element during opening according to the invention,
[0022] Fig. 3a, 3b show the arrangement according to Fig. 1 in a view from the rear as well as an enlarged detailed view thereof, Fig. 4a-4d show the opening process of the fitting in chronological sequences,
[0023] Fig. 5a-5d show the further opening process of the fitting in chronological sequences,
[0024] Fig. 6a-6d show the opening process of a rebated door element connected to the fitting,
[0025] Fig . 7a-7d show the opening process of a blunt door element connected to the fitting,
[0026] Fig. 8a- 8e show a perspective view of the fitting in the fully closed position as well as the relative positions of the two
[0027] Articulated lever arrangements to each other when opening the fitting,
[0028] Fig. 9 shows schematically the arrangement of the base axis, the central axis, the door axis and the imaginary axis of rotation of the fitting in a coordinate system,
[0029] Fig. 10a, 10b show a perspective view of a piece of furniture, wherein a door element is pivotally mounted about a vertically extending axis of rotation via the fitting, as well as an enlarged detailed view thereof, Fig. 11a, 11b show the fitting according to Fig. 10a, 10b in two different perspective views.
[0030] Fig. 1 shows an arrangement 1 with a stationary base 2, wherein a door element 4 is pivotally mounted relative to the stationary base 2 via two or more fittings 3. In the figure shown, the door element 4 is pivotally mounted about a rotation axis that runs vertically in the assembled position.
[0031] The door element 4 can be a door, a furniture part movable relative to a furniture body, or even a window. At least one sealing element 5, preferably made of plastic, can be arranged on the stationary base 2, by means of which a gap formed between the stationary base 2 and the door element 4 can be sealed at least in part. The sealing element 5 ensures that the door element 4 closes quietly and that disturbing drafts are reduced.
[0032] At least one cover frame 6 can be arranged on the stationary base 2. However, this cover frame 6 can also be omitted, depending on the application.
[0033] Fig. 2a shows the frame-shaped stationary base 2 in a view from the front, wherein at least one fitting 3 for the movable mounting of the door element 4 is arranged on the stationary base 2.
[0034] The fitting 3 comprises a base fitting part 9 for fastening to the stationary base 2 and a door fitting part 10 for fastening to the door element 4, wherein the door fitting part 10 is pivotally mounted relative to the base fitting part 9 about an imaginary axis of rotation 23 (Fig. 4c).
[0035] The reference symbol "H" indicates a movement of the door fitting part 10 relative to the stationary base 2 in the vertical direction (i.e. in a direction parallel to the rotation axis 23). The reference symbol "S" indicates a movement of the door fitting part 10, starting from a measuring point located on the rotation axis 23, relative to the stationary base 2 in a lateral direction.
[0036] The view below shows the stationary base 2 in a cross-section, wherein the reference symbol "V" denotes a movement of the upper region of the door fitting part 10 relative to the stationary base 2, i.e. a movement of the upper region of the door fitting part 10, starting from a measuring point located on the rotation axis 23, in a direction pointing away from the stationary structure 2.
[0037] Fig. 2b shows a diagram of the movements (H, S, V) of the door fitting part 10 during opening according to the prior art, wherein the opening angle (a) of the door fitting part 10 is plotted in degrees on the horizontal axis and a path (s) of the door fitting part 10 is plotted in millimeters on the vertical axis.
[0038] It can be seen that the movement (H) in the vertical direction in the prior art is largely constant up to an opening angle (α) of approximately 90°, although within an opening angle between 90° and 180°, a significant movement (H) of the door fitting part 10 occurs in the vertical direction. This movement (H) in the vertical direction can lead to an undesirable grazing of a lower end of the door element 4 connectable to the door fitting part 10 or even to a blockage of the door element 4 during opening.
[0039] Fig. 2c shows a diagram of the movements (H, S, V) of the door fitting part 10 during opening according to the invention. It can be seen that all movements (H, S, V) of the door fitting part 10 relative to a measuring point arranged on the rotation axis 23 are largely constant over an opening angle range between 0° and 180°.
[0040] According to one embodiment, a lowering of the door fitting part 10 in a direction parallel to an imaginary axis of rotation 23 (Fig. 9) of the fitting 3 over an opening angle range between 0° and 180° can be less than 2 mm, preferably less than 1 mm. Fig. 3a shows the arrangement 1 according to Fig. 1 with the stationary base 2, the frame 6 and the two fittings 3 for the movable mounting of the door element 4 in a view from the rear.
[0041] The fittings 3 are each connected to the stationary base 2 via a, preferably substantially plate-shaped, mounting device 7, wherein the mounting device 7 is connected to the fitting 3 or alternatively can be detachably connected.
[0042] Fig. 3b shows the area framed in Fig. 3a in an enlarged view. The mounting device 7 has a flat contact surface 7a for contact with the stationary base 2, preferably on an outer side surface of the stationary base 2, and at least one fastening element 8 (for example at least one screw) for mounting on the stationary base 2.
[0043] The fitting 3 has a base fitting part 9 for fastening to the stationary base 2, which is designed to be partially received in a recess of the stationary base 2. The mounting device 7 is connected to the base fitting part 9 or is designed to be detachably connected to the base fitting part 9.
[0044] Fig. 4a-4d show the opening process of the fitting 3 in chronological sequences.
[0045] Fig. 4a shows the fitting 3 in a fully closed position. The base fitting part 9 has a housing 9a which can be connected to the mounting device 7 via at least one fastening device 11. The mounting device 7 has a contact surface 7a for contact with the stationary base 2. The fitting 3 further has a door fitting part 10 with a housing 10a, wherein the door fitting part 10 is pivotally connected to the base fitting part 9. The door fitting part 10 has at least one fastening device 12 by means of which the door fitting part 10 can be fastened to the door element 4.
[0046] The base fitting part 9 has an end face 13 and the door fitting part 10 has an end face 14, wherein the end faces 13, 14 can be inserted substantially flush in the stationary base 2 or in the door element 4 in an assembled state. In a closed position of the fitting 3, the two end faces 13, 14 face each other and / or are aligned substantially parallel to each other.
[0047] Fig. 4b shows the fitting 3 in a partially open position. The fitting 3 has at least one first articulated lever 15, which is mounted on the base fitting part 9 via a base axis 21 (not visible here) (Fig. 8a), the first articulated lever 15 being connected to at least one second articulated lever 16 via a central axis 17. The second articulated lever 16 is pivotally mounted on the door fitting part 10 via a door axis 19 (Fig. 8a) (not visible here).
[0048] Fig. 4c shows the fitting 3 in a further open position, wherein the first articulated lever 15 and the second articulated lever 16 are visible.
[0049] Fig. 4d shows the fitting 3 in a further open position. The first articulated lever 15 and the second articulated lever 16 form a first articulated lever arrangement 18, by means of which the base fitting part 9 and the door fitting part 10 are pivotally connected to one another. In addition, a second articulated lever arrangement 18a is provided, by means of which the base fitting part 9 and the door fitting part 10 are pivotally connected to one another. The second articulated lever arrangement 18a has a first articulated lever 15a, which is pivotally mounted on the base fitting part 9 and which is pivotally connected via a central axis 17a to a second articulated lever 16a pivotally mounted on the door fitting part 10.
[0050] According to possible embodiments, it can be provided that the base fitting part 9 and the door fitting part 10
[0051] - are only connected to each other by the two articulated lever arrangements 18, 18a, and / or
[0052] - are mirror-symmetrical to each other.
[0053] Fig . 5a-5d show the further opening process of the fitting 3 in chronological sequences .
[0054] Fig. 5a shows the fitting 3 with the base fitting part 9 and with the door fitting part 10, which can be pivoted relative to one another via the first articulated lever arrangement 18 with articulated levers 15, 16 and via the second articulated lever arrangement 18a with articulated levers 15a, 16a.
[0055] Fig. 5b shows the fitting 3 in a further open position, wherein the second articulated lever 16 is pivotally connected to the door fitting part 10 via a door axis 19. The door axis 19 is arranged at least partially, preferably substantially completely, within the housing 10a of the door fitting part 10.
[0056] Fig. 5c shows the fitting 3 in a further open position, wherein the two articulated levers 15, 16 are pivotally connected to one another via the central axis 17 and the other articulated levers 15a, 16a are pivotally connected to one another via the central axis 17a. Fig. 5d shows the fitting 3 in a fully open position. The base fitting part 9 and the door fitting part 10 can be pivoted relative to one another over an opening angle of approximately 180°. In the fully open position, the two articulated lever assemblies 18, 18a are arranged essentially parallel to one another.
[0057] The two end faces 13 , 14 are in the complete
[0058] Open position of the fitting 3 in a direction transverse to an imaginary axis of rotation 23 and / or in a depth direction of the base fitting part 9 spaced from each other.
[0059] According to possible embodiments, it can be provided that the first articulated lever 15, 15a and the second articulated lever 16, 16a
[0060] - in a fully closed position of the fitting 3 (Fig. 4a) are arranged in a substantially V-shaped manner, and / or
[0061] - in a fully open position of the fitting 3 (Fig. 5d) assume a stretched position relative to each other, and / or
[0062] - have at least one curvature .
[0063] Fig. 6a-6d show the opening process of a rebated door element 4 connected to the fitting 3, wherein the door element 4 in the closed position partially covers an end face 2a of the stationary structure 2.
[0064] The door element 4 has a rebate 20 in the form of an L-shaped edge, wherein the rebate 20 rests against the end face 2a in the closed position of the door element 4 or is spaced from the end face 2a to form a gap. The advantage of a rebated door element 4 is that the door element 4 can be reliably locked relative to the stationary base 2 by means of the sealing element 5 and that the passage of light, sound, and odors can be reduced. Of course, the door element 4 can also have a double or triple rebate 20.
[0065] Fig. 6a shows the mounting device 7, which is fastened to the stationary base 2 and on which the base fitting part 9 with the housing 9a is or can be arranged. The housing 9a of the base fitting part 9 and / or the housing 10a of the door fitting part 10 is or are designed to be received substantially entirely in a recess of the stationary base 2 and in a recess of the door element 4.
[0066] In the fully closed position of the door element 4, the base fitting part 9 and the door fitting part 10 are not visible to a person, ensuring a compact arrangement with an attractive design.
[0067] Fig. 6b and Fig. 6c show the folded door element 4 in further open positions.
[0068] Fig. 6d shows the fully open position of the folded door element 4, wherein the opening angle of the door element 4 relative to the stationary structure 2 is approximately 180°. The two articulated levers 15, 16, pivotally connected via the central axis 17, assume an extended position relative to one another.
[0069] In an open position of the fitting 3, only the two end faces 13, 14 (Fig. 5d) and the articulated levers 15, 16 are visible.
[0070] A particular feature of the fitting 3 is that, in the fully open position of the fitting 3, the two articulated levers 15, 16 have a maximum deflection, which is essentially flush with a plane 25 formed by a side surface 2d (the so-called lining board) of the stationary base 2. In this way, a maximum passage width is available without the two articulated levers 15, 16 protruding beyond the plane 25 and increasing the risk of collision with objects moving past.
[0071] Fig. 7a-7d show the opening process of a blunt door element 4 connected to the fitting 3, wherein the blunt door element 4, in the fully closed position, is aligned substantially flush with the end face 2a of the stationary base 2. This results in a flush, minimalist design, wherein a circumferential gap is formed between the door element 4 and the end face 2a of the stationary base 2.
[0072] Fig. 7a shows the door element 4 in a fully closed position relative to the stationary base 2, wherein the door element 4 and the end face 2a are aligned substantially coplanar to one another.
[0073] Fig . 7b and Fig . 7c show the blunt door element 4 in further open positions .
[0074] Fig. 7d shows the fully open position of the blunt door element 4, wherein the opening angle of the door element 4 relative to the stationary structure 2 is approximately 180°. The two articulated levers 15, 16, pivotally connected via the central axis 17, assume an extended position relative to one another.
[0075] Thus, the fitting 3 in question can be used equally for both rebated door elements 4 and for flush door elements 4, thereby massively expanding the application area of the fitting 3. Figs. 8a-8e show a perspective view of the fitting 3 in the fully closed position as well as the relative positions of the two articulated lever assemblies 18, 18a to one another when opening the fitting 3.
[0076] Fig. 8a shows the fitting 3, wherein the base fitting part 9 with the housing 9a and the door fitting part 10 with the housing 10a are in a fully closed position relative to one another. The base fitting part 9 and the door fitting part 10 can be pivoted relative to one another via two articulated lever assemblies 18, 18a.
[0077] The first articulated lever arrangement 18 has two articulated levers 15, 16, which are pivotally connected to one another via a central axis 17. The first articulated lever 15 of the first articulated lever arrangement 18 is pivotally connected to the base fitting part 9 via a base axis 21, wherein the position of the base axis 21 does not change when the fitting 3 is opened and closed. The second articulated lever 16 of the first articulated lever arrangement 18 is pivotally connected to the door fitting part 10 via the door axis 19.
[0078] The second articulated lever arrangement 18a has, in an analogous manner, two articulated levers 15a, 16a, which are pivotally connected to one another via a central axis 17a. The first articulated lever 15a of the second articulated lever arrangement 18a is pivotally connected to the base fitting part 9 via a base axis 21a, wherein the position of the base axis 21a does not change when the fitting 3 is opened and closed. The second articulated lever 16a of the second articulated lever arrangement 18a is pivotally connected to the door fitting part 10 via the door axis 19.
[0079] The two door axes 21, 21a are each fixedly mounted on the base fitting part 9 and do not change their position. At least one of the two housings 9a, 10a, preferably both housings 9a, 10a, of the base fitting part 9 and the
[0080] Door fitting part 10 is or are insertable in a recess in the stationary base 2 or in the door element 4, wherein the base axis 21 and / or the door axis 19 is arranged predominantly, preferably substantially completely, within the housing 9a, 10a.
[0081] According to possible embodiments, it can be provided that
[0082] - the first articulated lever 15 , 15a in a complete
[0083] Closed position of the fitting 3, preferably substantially completely, is arranged within the housing 9a of the base fitting part 9, and / or
[0084] - the second articulated lever 16 , 16a in a complete
[0085] Closed position of the fitting 3 is arranged predominantly within the housing 10a of the door fitting part 10, preferably both within the housing 9a of the base fitting part 9 and within the housing 10a of the door fitting part 10, and / or
[0086] - that the central axis 17 , 17a in a complete
[0087] Closed position of the fitting 3 is arranged within the housing 9a of the base fitting part 9.
[0088] In further embodiments, it can be provided that the first articulated lever 15, 15a and / or the second articulated lever 16, 16a is or are produced by a bent and partially rolled steel sheet, by milling, by metal powder injection molding, by sintering or by investment casting.
[0089] Fig. 8b shows the position of the two articulated lever assemblies 18, 18a with the articulated levers 15, 15a, 16, 16a in a slightly open position of the fitting 3. The relative position of the articulated lever assemblies 18, 18a to one another corresponds to the position of the fitting 3 according to Fig. 4b.
[0090] Fig. 8c shows a further open position of the articulated lever arrangements 18, 18a, wherein the relative position of the articulated lever arrangements 18, 18a to one another corresponds to the position of the fitting 3 according to Fig. 5a, in which the door element 4 in an assembled state has an opening angle of approximately 90°.
[0091] Fig. 8d shows a further open position of the
[0092] Articulated lever arrangements 18, 18a, wherein the relative position of the
[0093] Articulated lever arrangements 18, 18a to each other the position of the
[0094] Fitting 3 according to Fig. 5c.
[0095] Fig. 8e shows a further open position of the
[0096] Articulated lever arrangements 18, 18a, wherein the relative position of the
[0097] Articulated lever arrangements 18, 18a to each other of the complete
[0098] Open position of the fitting 3 according to Fig. 5d.
[0099] According to possible embodiments, it can be provided that the base fitting part 9 and the door fitting part 10
[0100] - are only connected to each other by the two articulated lever arrangements 18, 18a, and / or
[0101] - are mirror-symmetrical to each other, and / or
[0102] - the two articulated lever arrangements 18, 18a are arranged substantially parallel to one another in a fully open position of the fitting 3.
[0103] Fig. 9 schematically shows the arrangement of the base axis 21, the central axis 17, the door axis 19, and an imaginary axis of rotation 23 of the fitting 3 in a coordinate system. The door fitting part 10 is pivotally mounted relative to the base fitting part 9 about the imaginary axis of rotation 23.
[0104] According to the invention it is provided that
[0105] - the angle (a) enclosed between the rotation axis 23 and the base axis 21 is between 33° and 55°, preferably between 38° and 48°, and particularly preferably approximately 43°, and that
[0106] - the angle (ß) enclosed between the rotation axis 23 and the door axis 19 is between 30° and 60°, preferably between 48° and 60°, and particularly preferably approximately 50°.
[0107] According to a preferred embodiment, it is provided that the angle (X) enclosed between the rotation axis 23 and the central axis 17 in the fully closed position of the fitting 3 is between 93° and 112°, preferably between 95° and 112°, and particularly preferably is approximately 98°.
[0108] The imaginary extensions 17a, 19a, 21a of the base axis 21, the door axis 19, and the central axis 17 intersect at a common pivot point 22, with the pivot point 22 lying on the imaginary axis of rotation 23. The position of the pivot point 22 remains unchanged during a movement of the door fitting part 10 relative to the base fitting part 9 about the axis of rotation 23.
[0109] The base axis 21a, the central axis 17a, and the door axis 19a of the second articulated lever arrangement 18a also have imaginary extensions that intersect at a second common pivot point. The second common pivot point lies on the imaginary axis of rotation 23, with the distance between the two common pivot points 22 being between 40 mm and 120 mm.
[0110] Fig. 10a shows a piece of furniture 24, wherein a stationary base 2 is provided in the form of a furniture body. The door element 4 is pivotable about a vertically extending axis of rotation via at least one fitting 3.
[0111] 23 pivoted relative to the furniture body.
[0112] Fig. 10b shows the area framed in Fig. 10a in an enlarged view.
[0113] The housing 9a of the base fitting part 9 and the housing 10a of the door fitting part 10 are each designed to be received in a recess of the stationary base 2 or in a recess of the door element 4. In an assembled state, the two end faces 13, 14 are each aligned flush with the door element 4 and the stationary structure 2.
[0114] According to possible embodiments, it can be provided that the fitting 3
[0115] - at least one drive device 26 for moving the fitting 3 into a closed position and / or into an open position, and / or
[0116] - has at least one damping device 28 for damping a movement of the fitting 3, and / or
[0117] - at least one ejection device 27 for ejecting the fitting 3 from a closed position into an open position.
[0118] In the exemplary embodiment shown, at least one plunger 30 is movably mounted on the base fitting part 9. During the closing movement, the plunger 30 can be acted upon by the door fitting part 10, wherein a movement of the plunger 30 (and thus a movement of the door element 4) can be dampened by the damping device 28. The damping device 28 can have at least one, preferably hydraulic, piston-cylinder unit or at least one rotary damper. It is preferably provided that the plunger 30 is guided through an end face 13, 14 of the base fitting part 9 or of the door fitting part 10 and can be acted upon by the door fitting part 10 or the base fitting part 9 during the closing movement of the fitting 3.
[0119] The plunger 30 can also be used to push the door fitting part 10 through the ejection device 27 from a closed position into an open position.
[0120] The fitting 3 can have at least one adjusting device 29 with at least one rotatable adjusting element 29a, by means of which a closing force and thus the closing speed of the door element 4 relative to the stationary base 2 can be adjusted.
[0121] Fig. 11a shows the fitting 3 according to Figs. 10a, 10b in a closed position in which the end face 13 of the base fitting part 9 and the end face 14 of the door fitting part 10 are aligned substantially parallel to each other.
[0122] Fig. 11b shows the fitting 3 according to Fig. 11a, wherein the housing 9a of the base fitting part 9 is hidden.
[0123] According to possible embodiments, it can be provided that the fitting 3
[0124] - at least one spring element 31, 31a for applying force to at least one articulated lever 15, 15a, 16, 16a, and / or
[0125] - at least one adjusting device 29 for adjusting a
[0126] Force of at least one spring element 31, 31a, wherein the at least one spring element 31, 31a for
[0127] Force application to at least one articulated lever 15, 15a, 16, 16a is provided. In the illustrated embodiment, the drive device 26 comprises two spring elements 31 and 31a, wherein a force of the spring elements 31, 31a can be adjusted by the adjusting elements 29a of the adjusting device 29.
[0128] The adjustment elements 29a can be designed, for example, as rotatable screws, by means of which the spring elements 31, 31a can be compressed to different degrees. Alternatively, a rotatable adjustment element 29a with a self-locking worm gear can also be provided.
[0129] For reasons of improved accessibility, it can be provided that at least one adjusting element 29a is arranged on or in the region of an end face 13, 14 of the base fitting part 9 or the door fitting part 10 and / or has a receiving contour for a tool, preferably a screwdriver.
[0130] The spring elements 31, 31a each press against a movable slide 32 and 32a, on each of which a pressure roller 33, 33a is rotatably mounted.
[0131] The articulated levers 15, 15a are each pivotably mounted on the base fitting part 9 about a stationary base axis 21, 21a, wherein at least one, preferably eccentric, control cam 34, 34a is arranged or formed on the articulated levers 15, 15a.
[0132] The pressure rollers 33, 33a, loaded by the spring elements 31, 31a, press against the control cams 34, 34a of the articulated levers 15, 15a. The pressure rollers 33, 33a can be moved along the control cams 34, 34a when the articulated levers 15, 15a move about the base axes 21, 21a. By selecting the geometry of the control cams 34, 34a, various movement sequences of the articulated levers 15, 15a can be realized.
Claims
Patent claims 1. Fitting (3) which is designed as a furniture fitting or as a building fitting, for pivotally supporting a door element (4) relative to a stationary base (2), comprising: - a base fitting (9) for attachment to the stationary base (2), - a door fitting part (10) for fastening to the door element (4), wherein the door fitting part (10) is pivotally mounted relative to the base fitting part (9) about an imaginary axis of rotation (23), - at least one first articulated lever (15) which is pivotally connected to the base fitting part (9) via a base axis (21), - at least one second articulated lever (16) which is pivotally connected to the door fitting part (10) via a door axis (19), wherein the first articulated lever (15) and the second articulated lever (16) are pivotally connected to one another via at least one central axis (17), - wherein the base axis (21), the door axis (19) and the central axis (17) each extend obliquely to the axis of rotation (23), characterized in that - the angle (a) enclosed between the rotation axis (23) and the base axis (21) is between 33° and 55°, preferably between 38° and 48°, and particularly preferably approximately 43°, and that - the angle (ß) enclosed between the rotation axis (23) and the door axis (19) is between 30° and 60°, preferably between 48° and 60°, and particularly preferably is approximately 50°.
2. Fitting (3) according to claim 1, wherein the between the axis of rotation (23) and central axis (17) included angle (X) in the fully closed position of the fitting (3) is between 93° and 112°, preferably between 95° and 112°, and particularly preferably is approximately 98°.
3. Fitting (3) according to claim 1 or 2, wherein imaginary extensions (17a, 19a, 21a) of the base axis (21), the Door axis (19) and the central axis (17) intersect at a common pivot point (22), wherein the pivot point (22) lies on the imaginary axis of rotation (23).
4. Fitting (3) according to one of claims 1 to 3, wherein the first articulated lever (15) and the second articulated lever (16) form a first articulated lever arrangement (18) by which the base fitting part (9) and the door fitting part (10) are pivotally connected to one another, and wherein a second articulated lever arrangement (18a) is provided by which the base fitting part (9) and the door fitting part (10) are pivotally connected to one another.
5. Fitting (3) according to claim 4, wherein the base fitting part (9) and the door fitting part (10) - are only connected to each other by the two articulated lever arrangements (18, 18a), and / or - are mirror-symmetrical to each other, and / or - the two articulated lever arrangements (18, 18a) are arranged substantially parallel to one another in a fully open position of the fitting (3).
6. Fitting (3) according to claim 4 or 5, wherein imaginary Extensions (17a, 19a, 21a) of the base axis (21), the Door axis (10) and the central axis (17) in a first common pivot point (22), wherein the first common pivot point (22) lies on the imaginary axis of rotation (23) and wherein the second articulated lever arrangement (18a) comprises: - at least one first articulated lever (15a) which is pivotally connected to the base fitting part (9) via a base axis (21a), - at least one second articulated lever (16a) which is pivotally connected to the door fitting part (10) via a door axis (19a), wherein the first articulated lever (15a) and the second articulated lever (16a) are pivotally connected to one another via at least one central axis (17a), - wherein the base axis (21a), the door axis (19a) and the central axis (17a) each extend obliquely to the axis of rotation (23), wherein imaginary extensions (17a, 19a, 21a) of the Base axis (21a), the door axis (19a) and the central axis (17a) intersect at a second common pivot point, wherein the second common pivot point lies on the imaginary axis of rotation (23), and wherein the distance between the two common pivot points (22) is between 40 mm and 120 mm.
7. Fitting (3) according to one of claims 1 to 6; wherein the base fitting part (9) and / or the door fitting part (10) has or have a housing (9a, 10a) which can be inserted into a recess in the stationary base (2) or in the door element (4), wherein the base axis (21) and / or the door axis (19) is arranged predominantly, preferably substantially completely, within the housing (9a, 10a).
8. Fitting (3) according to claim 7, wherein - the first articulated lever (15) is arranged in a completely closed position of the fitting (3), preferably substantially completely, within the housing (9a) of the base fitting part (9), and / or - the second articulated lever (16) is arranged in a fully closed position of the fitting (3) for the most part within the housing (10a) of the door fitting part (10), preferably both within the housing (9a) of the base fitting part (9) and within the housing (10a) of the door fitting part (10), and / or - that the central axis (17) is arranged within the housing (9a) of the base fitting part (9) in a fully closed position of the fitting (3).
9. Fitting (3) according to one of claims 1 to 8, wherein the first articulated lever (15) and / or the second articulated lever (16) is or are produced by a bent and partially rolled steel sheet, by milling, by metal powder injection molding, by sintering or by investment casting.
10. Fitting (3) according to one of claims 1 to 9, wherein the first articulated lever (15) and the second articulated lever (16) - in a fully closed position of the fitting (3) are arranged in a substantially V-shaped manner relative to one another, and / or - in a fully open position of the fitting (3) assume a stretched position relative to each other, and / or - have at least one curvature, and / or - in the fully open position of the fitting (3) have a maximum deflection which is substantially flush with a plane (25) formed by a side surface (2d) of the stationary base (2).
11. Fitting (3) according to one of claims 1 to 10, wherein at least one, preferably substantially plate-shaped, mounting device (7) for mounting the fitting (3) on the stationary base (2) is connected or connectable to the base fitting part (9).
12. Fitting (3) according to one of claims 1 to 11, wherein the fitting (3) - at least one drive device (26) for moving the fitting (3) into a closed position and / or into an open position, and / or - has at least one damping device (28) for damping a movement of the fitting (3), and / or - at least one ejection device (27) for ejecting the fitting from a closed position into an open position, and / or - at least one spring element (31, 31a) for Force application of at least one articulated lever (15, 16), and / or - at least one adjusting device (29) for adjusting a force of at least one spring element (31, 31a), wherein the at least one spring element (31, 31a) is provided for applying force to at least one articulated lever (15, 16).
13. Fitting (3) according to one of claims 1 to 12, wherein the base fitting part (9) and the door fitting part (10) each have an end face (13, 14) which, in an assembled state, can be inserted substantially flush in the stationary base (9) or in the door element (4), wherein the two end faces (13, 14) face each other in a closed position of the fitting (3) and / or in a fully open position of the fitting (3) in a direction transverse to imaginary axis of rotation (23) and / or in a depth direction of the Base fitting part (9) are spaced apart from each other.
14. Arrangement (1) with a stationary base (2), at least one door element (4) which can be pivoted relative to the stationary base (2) and with at least one fitting (3) according to one of claims 1 to 13 for the pivotable mounting of the at least one door element (4) relative to the stationary base (2), preferably wherein a lowering of the door fitting part (10) in a direction parallel to the axis of rotation (23) over an opening angle range between 0° and 180° is less than 2 mm, preferably less than 1 mm.
15. Use of at least one fitting (3) according to one of claims 1 to 13, wherein the at least one fitting (3) is used to support a blunt door element (4) or a folded door element (4) relative to a stationary base (2).