Multi-joint hinge

Abstract

A multi-joint hinge (1) comprises a side part (2) which can be fastened to a furniture carcass and a hinge part (7) which can be fastened to a door, which parts are connected to one another via a joint mechanism, wherein a first lever (3) is connected in an articulated manner to the side part (2), a second lever (4) is connected in an articulated manner to the side part (2), a third lever (5) is connected in an articulated manner to the first lever (3), the second lever (4) and the hinge part (7), and a fourth lever (6) is connected in an articulated manner to the second lever (4) and the hinge part (7), wherein the first lever (3) and the second lever (4) engage around the side part (2) in the region of the respective articulated connection, wherein the third lever (5) is engaged around by the first lever (3) and the second lever (4) in the region of the articulated connection. As a result, a particularly compact design of the multi-joint hinge (1) is possible.

Description

[0001] Multi-joint hinge

[0002] The present invention relates to a multi-joint hinge with a side part that can be fixed to a furniture body and a hinge part that can be fixed to a door, which are connected to one another via a joint mechanism, wherein a first lever is connected in an articulated manner to the side part, a second lever is connected in an articulated manner to the side part, a third lever is connected in an articulated manner to the first lever, the second lever and the hinge part, and a fourth lever is connected in an articulated manner to the second lever and the hinge part, wherein the first lever and the second lever engage around the side part in the region of the respective articulated connection.

[0003] AT 517 464 B1 discloses a multi-joint hinge mounted between a side panel of a furniture body and a door. The multi-joint hinge comprises a hinge arm fixed to the furniture body, which is encompassed by two articulated levers. The two articulated levers are encompassed by another articulated lever, which is articulated to a hinge part. As a result, this articulated lever is comparatively large in its extension in the axial direction of the rotation axes, and the entire multi-joint hinge requires a comparatively large amount of installation space due to the large articulated lever in the axial direction.

[0004] It is therefore an object of the present invention to provide a multi-joint hinge which has a compact structure and in which the individual levers of a joint mechanism can be nested in an optimized manner.

[0005] This object is achieved with a multi-joint hinge having the features of claim 1.

[0006] The multi-joint hinge according to the invention comprises a side part that can be secured to a furniture body and a hinge part that can be secured to a door, which are connected to one another via a joint mechanism. A first lever is pivotally connected to the side part, a second lever is pivotally connected to the side part, a third lever is pivotally connected to the first lever, the second lever and the hinge part, and a fourth lever is pivotally connected to the second lever and the hinge part. The first lever and the second lever each engage around the side part in the region of the pivotal connection and thus have a greater extension in the axial direction of the axes of rotation than the side part in the region of the pivotal connection. The third lever, on the other hand, is engaged by the first lever and the second lever in the region of the respective pivotal connection and thus has a smaller extension in the axial direction than the first lever and the second lever.This allows the third lever to be narrow in the direction of the pivot axes, reducing the volume of the multi-joint hinge and resulting in a compact design. The levers can be nested within each other in an optimized manner.

[0007] Preferably, the articulated connections between the first and second levers on the side panel are located in a central or front region of the side panel in the longitudinal direction. For a particularly compact design, the articulated connections are preferably located in a region less than 50% of the longitudinal extent of the side panel, in the area closest to the hinge part.

[0008] Preferably, the fourth lever engages around the second lever in the area of ​​the joint connection. The fourth lever thus has a greater axial extension than the first and second levers, but is shorter in length than the third lever and thus requires less installation space.

[0009] The third lever preferably has approximately the same extension in the axial direction of the rotation axes as the side part in the region of the articulated connection between the side part and the first lever and / or the second lever and is thus comparatively narrow.

[0010] The first, second, third, and fourth levers are preferably U-shaped at least in some areas, so that an enveloping surface is formed in a region between two substantially parallel wall sections of the U-shaped levers. An "enveloping surface" is the space surrounded by the respective lever, i.e., a hollow space within the lever. The levers are U-shaped at least in some areas, so that the region between two parallel wall sections of the "U" is located in the enveloping surface.

[0011] Preferably, a first, second, and third rotational axis is accommodated or arranged on the second lever, wherein the first, second, and third rotational axes extend at least partially through the envelope surface of the second lever. In the region of the first rotational axis or adjacent thereto, at least part of a damper unit is preferably accommodated in the envelope surface of the second lever. In the region of the second rotational axis or adjacent thereto, at least part of a spring unit is preferably accommodated in the envelope surface of the second lever.

[0012] In a further embodiment, the envelope surface of the fourth lever in the region of the third axis of rotation has a width that is greater than a width of the envelope surface of the second lever in the region of the third axis of rotation. Furthermore, the envelope surface of the second lever in the region of the second axis of rotation has a width that is greater than a width of the envelope surface of the third lever in the region of the second axis of rotation. The envelope surface of the second lever in the region of the first axis of rotation preferably has a width that approximately corresponds to the width of the envelope surface of the first lever in the region of a fourth axis of rotation, wherein the first lever and third lever are mounted on the fourth axis of rotation.

[0013] In a further embodiment, a spring unit is provided for pretensioning the hinge part in the open and / or closed position, which spring unit projects into an envelope surface of the second lever in the closed position. A spring unit comprises one or more springs and the holders for mounting the springs. For high holding forces, the at least one spring of the spring unit can be designed as a helical spring arranged between a spring holder and a control cam. This allows the spring length and thus the spring force to be optimized. Optionally, several springs can also be provided next to one another, arranged between the spring holder and the control cam. This allows the door to be held closed with high forces. The at least one spring is arranged in the envelope surface of the third lever.

[0014] The multi-joint hinge preferably comprises a linear damper between the hinge part and a joint axis of the second lever, which comprises a piston rod and a damping cylinder into which the piston rod can be inserted to generate damping forces. The linear damper is arranged at least partially within the envelope surface of the fourth lever, preferably entirely within the envelope surface of the fourth lever, in order to achieve a particularly compact design. The linear damper can have a curved guide on one side, by means of which the linear damper can be compressed during a movement of the multi-joint hinge. As a result, the linear damper can be compressed, in particular before the closed position is reached, in order to brake the door, wherein the curved guide can interact with a control cam that is fixed to the second lever.Through the interaction of the control cam and the cam guide, the damping forces can be optimally adjusted when the cam guide runs or slides along the control cam, so that the contact point changes when the multi-joint hinge moves.

[0015] Each lever preferably comprises two wall sections extending perpendicular to a rotation axis, which are connected to one another via an integrally formed connecting section. The levers can be effectively manufactured from a bent and stamped sheet metal, so that the levers each have a U-shaped structure with two wall sections and the connecting section. One or more openings through which the rotation axes pass are preferably cut out in the preferably parallel wall sections. In this case, the connecting section can preferably only extend over part of the two wall sections on the second lever, which in the closed position of the multi-joint hinge is arranged closer to the hinge part than the first lever. A length of the connecting section in the longitudinal direction of the second lever is preferably less than 50% of the length of the second lever in the longitudinal direction of the second lever.This leaves a large opening in the second lever for the passage of a spring unit and / or a damping unit. Such a damping unit preferably comprises a linear damper with a holder and optionally also a curved guide that contacts a control cam. The connecting section can optionally have openings, for example, to provide access to adjustment devices or fastening elements.

[0016] The third lever is preferably open between the two wall sections on the side facing the hinge part, so that the linear damper, which is arranged in the envelope surface of the fourth lever, can be passed through this area. This results in a particularly compact damping design.

[0017] In the open position, the nesting of the four levers creates an elongated, flat hinge shape in a direction perpendicular to the longitudinal extension of the side panel. Furthermore, the shape of the individual levers reduces gaps across the entire range of movement of the hinge, thus also protecting against finger injuries. The gaps between the individual levers should preferably not exceed 8 mm across the entire range of movement.

[0018] When the maximum opening angle of the multi-joint hinge is reached, a side surface of the first lever preferably meets a side surface of the second lever. Thus, in the maximum opening position, support on the two levers within the multi-joint hinge can limit further opening.

[0019] The hinge part is preferably fixed to a retaining plate that can be glued to a door, for example, a door made of a plate-like material such as glass or metal. For this purpose, the hinge part can be releasably fixed to the retaining plate via a locking mechanism. The side part preferably comprises an adjustment mechanism for adjusting the side part relative to the furniture body in the depth direction, lateral direction, and / or height direction, for example, with rotatable adjustment elements in the form of eccentrics, worm gears, or threaded rods. For this purpose, the side part is preferably designed in several parts.

[0020] The invention will be explained in more detail below using an exemplary embodiment with reference to the accompanying drawings. They show:

[0021] Figure 1 is a side view of a multi-joint hinge according to the invention in a closed position;

[0022] Figure 2 is a sectional view of the multi-joint hinge of Figure 1;

[0023] Figure 3 is a side view of the multi-joint hinge in an open position;

[0024] Figure 4 is a plan view of the multi-joint hinge of the figure

[0025] 3, partly in section,

[0026] Figure 5 is a schematic view of the opened multi-joint hinge with regard to the lever mechanism;

[0027] Figure 6 is an exploded view of the multi-joint hinge of Figure 1; Figure 7 is a perspective view of the fourth lever;

[0028] Figure 8 is a perspective view of the first lever;

[0029] Figures 9A and 9B show two views of the third lever, and

[0030] Figures 10A and 10B show two views of the second lever.

[0031] A multi-joint hinge 1 comprises a side part 2 that can be secured to a furniture body. The side part 2 can be fixed to a base part via a mounting element 10, which is fixed, for example, in or on a side wall of a furniture body or a household appliance. A hinge part 7, which supports a door, is pivotably held on the side part 2 via a joint mechanism. For this purpose, a retaining plate 8 can be releasably fixed to the hinge part 7. Instead of the retaining plate 8, the hinge part 7 can also be fixed to the door using other fastening means.

[0032] The joint mechanism comprises a first lever 3, which is held on the side part 2 via a pivot 11. A second lever 4 is also provided, which is rotatably mounted on the side part 2 via a pivot 12. A third lever 5 is pivotally connected to the first lever 3 via a pivot 13 and to the second lever 4 via a pivot 14, with an additional pivot connection to the hinge part 7 via the pivot 15. A fourth lever 6 is connected to the second lever 4 via a pivot 16 and to the hinge part 7 via a pivot 17. The multi-joint hinge 1 is thus designed as a seven-joint hinge and comprises four levers 3, 4, 5, 6. In the closed position of the multi-joint hinge 1, a longitudinal extent of the side part 2 is oriented substantially at right angles to the longitudinal extent of the hinge part 7.

[0033] Figure 2 shows a section through the multi-joint hinge 1 in the closed position. The hinge part 7 is fixed to the holding plate 8 via a locking mechanism. The rotational axis 15 is held on a bearing receptacle 20 of the holding plate 8. Furthermore, a locking mechanism with a rotatable cam 9 is held on a rotational axis 18 of the hinge part 7, which can be adjusted behind a projection 19 of the holding plate 8. Within the envelope contour of the fourth lever 6, a linear damper 21 is provided with a damper housing and a piston rod that can be displaced relative to the damper housing. On one side, the linear damper 21 is supported on the fourth lever 6 or the rotational axis 17 and, on the opposite side, is connected to a holder 22 with a curved guide 23. The curved guide 23 runs or slides along a control cam 24 that is fixed to the second lever 4 and arranged adjacent to the rotational axis 16.The linear damper 21 with the holder 22, the curved guide 23, and the control cam 24 thus form a damping unit 210. The linear damper 21 can be compressed by the interaction of the curved guide 23 and the control cam 24 when the multi-joint hinge 1 is moved into the closed position in order to slow down the closing movement of the door and generate damping forces.

[0034] Within the envelope contour of the third lever 5 is a spring unit 300 with at least one spring 30, which is supported on the rotation axis 14 via a spring holder 31. On the opposite side, the spring 30 is arranged in a housing 34, which has a control cam 35 on the outside, which runs or slides off a contact element 36 that is held on the rotation axis 13. The spring 30, the spring holder 31, the housing 34 with the control cam 35, and the contact element 36 form the spring unit 300 here.

[0035] In the sectional view of Figure 2, it is clearly visible that the spring 30 with the spring holder 31, i.e., a part of the spring unit 300, engages in the envelope surface of the second lever 4 in the closed position of the multi-joint hinge 1. This results in a compact shape of the multi-joint hinge 1 with an increased length of the spring 30.

[0036] Figure 3 shows the multi-joint hinge 1 in an open position in which a longitudinal extension of the hinge part 7 is aligned substantially parallel to the longitudinal direction of the side part 2. The maximum opening angle of the multi-joint hinge 1 can be more than 90°, for example, between 90° and 180°.

[0037] In the area of ​​the maximum opening angle, two side surfaces 93, 94 of the first lever 3 and the second lever 4 meet. Thus, in the maximum opening position, support can be created within the multi-joint hinge 1. Furthermore, the maximum opening angle can be determined by the geometry of the first lever 3 and the second lever 4.

[0038] In the opening position shown, it can be seen that the hinge part 7 has moved away from the side part 2 by 90° during the pivoting process, so that the lever mechanism is more clearly visible.

[0039] In this open position, the elongated and flat shape of the lever mechanism is clearly visible. The opened multi-joint hinge 1 advantageously has a small extension in a direction perpendicular to the axial direction of the multi-joint hinge 1. This only slightly restricts access to the interior of the furniture.

[0040] Furthermore, this view shows that the shape of the individual levers 3, 4, 5, and 6 leaves only small gaps, thus minimizing the risk of injury. Preferably, the gaps between the levers 3, 4, 5, and 6 are less than 8 mm across the entire range of motion of the multi-joint hinge 1.

[0041] In the partially sectioned top view of Figure 4, it can be seen that the side part 2 is relatively narrow in the direction of the rotation axes 11, 12 and in the region of the rotation axes 11, 12 and is encompassed by the first lever 3 and the second lever 4. The first lever 3 is arranged outside the side part 2 in the region of the rotation axis 11, and the second lever 4 is arranged around the side part 2 in the region of the rotation axis 12. The third lever 5 is arranged inside the first lever 3 in the region of the rotation axis 13 and inside the second lever 4 in the region of the rotation axis 14. The third lever 5 has approximately the same extension in the direction of the rotation axis 12 as the side part 2, which results in a relatively compact design. Only the fourth lever 6 is wider in the direction of the rotation axis 16 and encompasses the second lever 4.

[0042] The extension of the levers 3, 4, 5, and 6 in the direction of the rotation axes is shown schematically in Figure 5. The hinge part 7 has a greater extension in the direction of the rotation axes than the side part 2, which is comparatively narrow. The third lever 5 has approximately the same extension in the direction of the rotation axes as the side part 2. The first lever 3 and the second lever 4 have the same extension in the axial direction of the rotation axes and encompass the side part 2 and the third lever 5. The fourth lever 6 encompasses the second lever 4 and lies within the extension of the hinge part 7.

[0043] The multi-joint hinge 1 is shown in an exploded view in Figure 6. The hinge part 7 can be locked to the projections 19 via a locking mechanism with the rotatable cam 9 and a spring 90, with a rotation axis 18 rotatably mounting the cam 9 on the hinge part 7. The linear damper 21 is arranged with the holder 22 and the curved guide 23 within the envelope contour of the fourth lever 6. The curved guide 23 interacts with the control cam 24. The control cam 24 is held on the rotation axis 16 and the second lever 4. The fourth lever 6 comprises a holder 60 for the linear damper 21 and the holder 22, so that the latter is held within a channel between the fourth lever 6 and the holder 60 and can only move linearly. Thus, part of the damping unit 210 is mounted in the holder 60.

[0044] The multi-joint hinge 1 is preloaded into the closed position via a spring element with two springs 30. The spring 30 or springs 30 are designed as helical springs. Each spring 30 is mounted on a pin 33 that protrudes from the spring holder 31. A bearing receptacle 32 is formed on the spring holder 31 and supported on the pivot axis 14. On the opposite side, the springs 30 are connected to a housing 34, on which a control cam 35 is formed, which interacts with a contact element 36. The springs 30 are arranged within the envelope contour of the third lever 5, so that the multi-joint hinge 1 has both a spring element and a damping element within the levers 4 to 6.

[0045] Furthermore, an adjustment mechanism with a screw 70 with a groove is mounted on the side part 2, which enables adjustment of the side part 2 relative to the mounting element 10. A worm 71 is also provided to enable the side part 2 to be displaced relative to the mounting element 10. Furthermore, a latch 42 is rotatably mounted on the mounting element 10 via a pivot axis 44, which is preloaded into a locking position by a spring element 43, so that the mounting element 10 can be securely mounted on a base plate.

[0046] Furthermore, a clearance 39 is provided in a connecting section 38 of the first lever 3. Through this clearance 39, the screw 70 with groove is accessible for adjustment in the open position of the multi-joint hinge 1.

[0047] Figures 7 to 10 show the individual levers 3, 4, 5, and 6 in detail. All levers 3, 4, 5, and 6 are made from a bent sheet metal by punching and bending and have a substantially U-shaped contour.

[0048] According to Figure 7, the fourth lever 6 is provided with parallel wall sections 61, which are connected to one another via a connecting section 62. The wall sections 61 extend perpendicular to the rotation axes 16 and 17 on the lever 6. Cutouts 63 are provided on the wall sections 61. In the maximum opening position of the multi-joint hinge 1, a part of the hinge part 7 or the axis 15 comes into contact with these cutouts 63, thus limiting the maximum opening angle of the multi-joint hinge 1 and thus providing support within the multi-joint hinge 1.

[0049] Figure 8 shows the first lever 3, which comprises two parallel wall sections 37 that extend perpendicular to the rotation axes 11 and 13 and are connected to each other via a connecting section 38.

[0050] Figures 9A and 9B show the third lever 5, which comprises two parallel wall sections 51 that are connected to one another via a connecting section 50. The axes of rotation 13 and 14 are arranged on the two wall sections 51. Two webs 52 protrude from the wall sections 51 and are spaced closer together than the wall sections 51. The axis of rotation 15 is held by the webs 52. The webs 52 engage within the hinge part 7 and, in a position mounted on the holding plate 8, encompass the bearing receptacle 20. A cavity without a connecting section 50 is formed between the webs 52 and in an area of ​​the wall sections 51 near the side part 7, so that this area can be used for the damping unit or the spring unit, which is at least partially housed in the envelope surface of the fourth lever 6. This is particularly the case in the closed position of the multi-joint hinge 1.

[0051] Figures 10A and 10B show the second lever 4, which comprises two parallel wall sections 41 oriented perpendicular to the rotation axes 12, 14, and 16. A connecting section 40 extends only over a portion of the wall sections 41, preferably over a length of less than 50% of an edge of a wall section 41 in the longitudinal direction of the lever 4, so that a free space is formed that can be used to pass through the third lever 5 and thus the spring unit 300 when pivoting the multi-joint hinge 1.

[0052] The second lever 4 accommodates three rotation axes 12, 14, and 16. In the region of a first rotation axis 16, at least a portion of the damper unit 210 is accommodated in the envelope surface 45 of the second lever 4. In the region of a second rotation axis 14, at least a portion of the spring unit 300 is accommodated in the envelope surface 45 of the second lever 4.

[0053] List of reference symbols

[0054] 1 multi-joint hinge

[0055] 2 side panel

[0056] 3 levers

[0057] 4 levers

[0058] 5 levers

[0059] 6 levers

[0060] 7 Hinge part

[0061] 8 Holding plate

[0062] 9 cams

[0063] 10 Mounting element

[0064] 11 fifth axis of rotation

[0065] 12 first axis of rotation

[0066] 13 fourth axis of rotation

[0067] 14 second axis of rotation

[0068] 15 sixth axis of rotation

[0069] 16 third axis of rotation

[0070] 17 seventh axis of rotation

[0071] 18 axis of rotation

[0072] 19 lead

[0073] 20 stock recording

[0074] 210 Damping unit

[0075] 21 linear dampers

[0076] 22 holders

[0077] 23 Curve guidance

[0078] 24 Control curve

[0079] 300 spring unit

[0080] 30 spring

[0081] 31 pen holders

[0082] 32 bearing recording

[0083] 33 pen

[0084] 34 housings

[0085] 35 Control curve

[0086] 36 contact element

[0087] 37 wall sections

[0088] 38 connecting section

[0089] 380 envelope area

[0090] 39 Clearance 40 Connecting section

[0091] 400 envelope area

[0092] 41 wall section

[0093] 42 jack

[0094] 43 Spring element

[0095] 44 axis of rotation

[0096] 50 connecting section

[0097] 500 envelope area

[0098] 51 wall section

[0099] 52 jetty

[0100] 60 holders

[0101] 61 wall section

[0102] 62 connecting section

[0103] 620 envelope area

[0104] 63 Excerpt

[0105] 70 Screw with groove

[0106] 71 snail

[0107] 90 spring

[0108] 93 side surface

[0109] 94 side area

Claims

Claims 1. Multi-joint hinge (1) with a side part (2) that can be fixed to a furniture body and a hinge part (7) that can be fixed to a door, which are connected to one another via a joint mechanism, wherein a first lever (3) is connected in an articulated manner to the side part (2), a second lever (4) is connected in an articulated manner to the side part (2), a third lever (5) is connected in an articulated manner to the first lever (3), the second lever (4) and the hinge part (7), and a fourth lever (6) is connected in an articulated manner to the second lever (4) and the hinge part (7), wherein the first lever (3) and the second lever (4) engage around the side part (2) in the region of the respective articulated connection, characterized in that the third lever (5) is engaged by the first lever (3) and the second lever (4) in the region of the articulated connection.

2. Multi-joint hinge according to claim 1, characterized in that the fourth lever (6) engages around the second lever (4) in the region of the articulated connection.

3. Multi-joint hinge according to claim 1 or 2, characterized in that the third lever (5) has approximately the same extension in the axial direction of the axes of rotation as the side part (2).

4. Multi-joint hinge according to one of the preceding claims, characterized in that the first, second, third and fourth levers (3, 4, 5, 6) are at least partially U-shaped, so that in a region between two substantially parallel wall sections (37, 41, 51, 61) of the respective U-shaped lever (3, 4, 5, 6) an enveloping surface (380, 400, 500, 620) is formed.

5. Multi-joint hinge according to one of the preceding claims, characterized in that a first, second and third rotational axis (12, 14, 16) is accommodated on the second lever (4), wherein the first, second and third rotational axis (12, 14, 16) extend at least partially through an envelope surface (400) of the second lever (4).

6. Multi-joint hinge according to claim 5, characterized in that in the region of the first axis of rotation (12) at least a part of a Damper unit (210) is received in the envelope surface (400) of the second lever (4).

7. Multi-joint hinge according to claim 5 or 6, characterized in that in the region of the second axis of rotation (14) at least part of a spring unit (300) is accommodated in the envelope surface (400) of the second lever (4).

8. Multi-joint hinge according to claim 5, characterized in that the envelope surface (620) of the fourth lever (6) in the region of the third axis of rotation (16) has a width that is greater than a width of the envelope surface (400) of the second lever (4) in the region of the third axis of rotation (16), and in that the envelope surface (400) of the second lever (4) in the region of the second axis of rotation (14) has a width that is greater than a width of the envelope surface (500) of the third lever (5) in the region of the second axis of rotation (14), and in that the envelope surface (400) of the second lever (4) in the region of the first axis of rotation (12) has a width that approximately corresponds to the width of the envelope surface (380) of the first lever (3) in the region of a fourth axis of rotation (13), the first lever (3) and third lever (5) being mounted on the fourth axis of rotation.

9. Multi-joint hinge according to one of the preceding claims, characterized in that a spring unit (30) is provided for pretensioning the hinge part (7) into the closed position, which in the closed position projects into the envelope surface (400) of the second lever (4).

10. Multi-joint hinge according to claim 9, characterized in that at least one spring of the spring unit (30) is designed as a helical spring which is arranged between a spring holder (31) and a control cam (35).

11. Multi-joint hinge according to claim 9, characterized in that two springs of the spring unit (30) are arranged side by side as helical springs, which are arranged between the spring holder (31) and the control cam (35).

12. Multi-joint hinge according to one of claims 9 to 11, characterized in that the spring unit (30) is arranged in the envelope surface (500) of the third lever (5).

13. Multi-joint hinge according to one of the preceding claims, characterized in that the multi-joint hinge (1) comprises a linear damper (21) between the hinge part (7) and a joint axis (16) of the second lever (4), which is arranged at least partially within the envelope surface (400) of the fourth lever (6).

14. Multi-joint hinge according to claim 13, characterized in that the linear damper (21) has a curved guide (23) on one side, by means of which the linear damper (21) can be compressed.

15. Multi-joint hinge according to one of the preceding claims, characterized in that each lever (3, 4, 5, 6) comprises two wall sections (37, 41, 51, 61) extending perpendicular to a rotation axis (11-17) which are connected to one another via an integrally formed connecting section (38, 40, 50, 62).

16. Multi-joint hinge according to claim 15, characterized in that in the second lever (4) the connecting section (40) extends only over a part of the wall sections (41), wherein a length of the connecting section (40) in the longitudinal direction of the second lever (4) is less than 50% of the length of the second lever (4) in the longitudinal direction of the second lever (4).

17. Multi-joint hinge according to one of the preceding claims, characterized in that the third lever (5) is open between the two wall sections (51) on the side facing the hinge part (7).

18. Multi-joint hinge according to one of the preceding claims, characterized in that the axes of rotation (11, 12) of the first lever (3) and of the second lever (4) are arranged on the side part (2) in a region of less than 50% of the longitudinal extent of the side part (2) towards the hinge part (7).

19. Multi-joint hinge according to one of the preceding claims, characterized in that the hinge part (7) is fixed to a holding plate (8) which can be glued to a door.

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