Hinge for a door of furniture or the like and an article of furniture equipped with such a hinge

Abstract

A hinge (10) for a furniture door, comprising a fixed part (11) connectable to a side wall (12) of the furniture and a movable part (13) connectable to the door (14), the fixed part (11) and the movable part (13) being connected to each other so as to rotate by at least one articulation axis (15), the hinge (10) further comprising a motion control device for controlling the opening and closing movement of the hinge (10), the motion control device being in particular in the form of a damping device (30) for damping the closing movement of the hinge or an elastic opening device (48, 49) for opening the hinge (10). The fixed part (11) of the hinge (10) has a substantially flat housing body (16', 16") extending along a plane parallel to or passing through the articulation axis (15), and the body (16', 16") of the fixed part (11) is formed so that it can be inserted into and fixed to a flat seat (17) provided within the thickness of the side wall (12) of the furniture.

Description

[Technical field]

[0001] The present invention relates to hinges for doors of furniture or the like, in particular hinges which are substantially invisible when installed, and to articles of furniture equipped with such hinges. [Background technology]

[0002] In the field of furniture, hinges are generally used to support and rotate furniture doors, comprising a fixed part or arm and a movable part. The fixed part or arm can be fixed to the inner surface of the side wall of the body of the furniture, and the movable part consists of a box-like body that can be connected to the door. The fixed part and the movable part are articulated to each other so as to be able to rotate, either via a rotation axis or via an articulation system that includes an articulation axis and an articulating rocker. Summary of the Invention [Problem to be solved by the invention]

[0003] However, such conventional hinges have several drawbacks in functionality. The fixing parts of the hinges, when fixed to the side walls of the furniture article, occupy a significant amount of space, thereby limiting the use of space within the furniture article and the installation of drawers within the furniture article. Furthermore, the presence of the fixing parts of the hinges on the side walls of the furniture article is also unattractive from an aesthetic point of view.

[0004] In order to overcome the above drawbacks, blind hinges have been proposed. The blind hinges comprise a fixed part and a movable part. The fixed part is shaped so that it can be inserted into a seat provided within the thickness of the upper or lower wall of the furniture article and fixed by a screw. The movable part is connected to the fixed part by a flat rocker extending along a plane perpendicular to the respective joint axis in order to reduce the vertical space occupation of the fixed part of the hinge.

[0005] However, with such a solution, only two hinges can be installed on one door, one on the upper wall of the furniture and one on the lower wall of the furniture, which makes it impossible to support doors with a large weight and dimensions, which means that the possible uses of such hinges are greatly limited.

[0006] Furthermore, these hinges also present problems associated with fastening the upper and lower walls of the furniture to the base, in that complex machining must be carried out in the walls of the furniture item in order to create the appropriate shape of their base to allow the engagement of the fastening screws. Furthermore, it is difficult to insert and screw the fastening parts into the wall base, especially for doors of large dimensions.

[0007] The aim of the present invention is to provide a hinge for doors of furniture or the like, which is of the invisible type and which is highly versatile in use, in particular for doors of large weight and size.

[0008] Within this goal, the object of the present invention is to provide a hinge of the above mentioned type, which can be easily and quickly mounted on an item of furniture and which is simpler in terms of construction than conventional solutions.

[0009] Another object of the present invention is to provide an article of furniture that offers high versatility of use and is configured to allow the application of non-visible type hinges. [Means for solving the problem]

[0010] This aim, as well as these and other objects which will become more apparent hereinafter, are achieved by a hinge for a door of furniture or the like, comprising a fixed part connectable to a side wall of the furniture and a movable part connectable to the door, the fixed part and the movable part being mutually connected for pivoting by at least one articulation axis. The hinge further comprises a motion control device for controlling the opening and closing movement of the hinge, in particular in the form of a damping device for damping the closing movement of the hinge or an elastic opening device for opening the hinge. The fixed part of the hinge is characterized in that it has a substantially flat housing body extending along a plane parallel to or passing through the articulation axis, the body of the fixed part being shaped so that it can be inserted and fixed in a flat seat provided in the thickness of the side wall of the hinge. Further features and advantages of the invention are further defined in the dependent claims.

[0011] The features and advantages of the present invention will become more apparent from the following description of some preferential but non-limiting embodiments of a hinge for furniture doors. [Brief description of the drawings]

[0012] [Figure 1] FIG. 1 is a perspective view of a first embodiment of a hinge according to the present invention attached to an item of furniture. [Diagram 2] FIG. 2 is a perspective view of a side wall of an article of furniture having an opening on the front side for inserting the fixing part of a hinge, and showing a seat part provided within the thickness of the side wall; [Diagram 3] FIG. 3 is a perspective view of the side wall of FIG. 2, showing a retaining element fixed to the seat for enabling quick coupling of the fixing part of the hinge; [Figure 4] FIG. 2 is a perspective view of the hinge of FIG. 1, showing the fastening part inserted into one of the two half shells forming the retaining element; [Diagram 5] 2 is a perspective view of the hinge of FIG. 1 in an open state, with one of the two parts of the body detached from the fixed part; FIG. [Figure 6] FIG. 6 shows the hinge of FIG. 5 in a closed state. [Figure 7] FIG. 7 is a longitudinal cross-sectional view of the hinge of FIG. 5 taken along line VII-VII. [Figure 8] FIG. 6 is an exploded view of the main part of the hinge of FIG. 5. [Figure 9] FIG. 2 is a perspective view of a second embodiment of a hinge according to the present invention; [Figure 10] FIG. 11 is a longitudinal sectional view of a third embodiment of a hinge according to the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] With reference to the drawings, a furniture door hinge according to a first embodiment of the present invention, generally designated 10, comprises a fixed part 11 and a movable part 13. The fixed part 11 is connectable to a furniture side wall 12 and the movable part 13 is connectable to a furniture door 14. The fixed part 11 and the movable part 13 are pivotally connected to each other by at least one articulation shaft, for example by articulation shaft 15 in the embodiment shown, or by a conventional articulation system comprising four or more articulation shafts and two or more connecting levers.

[0014] The hinge further comprises a control device for controlling the opening and closing movement of the hinge. In the embodiment shown, the movement control device in particular comprises a damping device for damping the closing movement of the hinge, in which case the hinge also comprises elastic closure means for closing such hinge, as explained below.

[0015] According to the invention, the fixed part 11 of the hinge has a substantially flat housing body 16', 16" extending along a plane parallel to or passing through the articulation axis 15, the body 16', 16" of the fixed part 11 being formed so as to be inserted and fixed into a flat seat 17 provided within the thickness of the side wall 12 of the furniture and extending flush with the side wall 12.

[0016] In a preferred embodiment of the present invention, the motion control device is configured to be disposed within the planar body 16 ′, 16 ″ of the fixed part 11 of the hinge and is operatively connected to the movable part 13 of the hinge 10 .

[0017] Preferably, the housing body 16', 16" is formed by two flat half shells 16', 16" which can be joined to one another, for example by a bayonet coupling, and defines an interior space for accommodating the hinge motion control device and other components.

[0018] In particular, a first element and a second element of the fixing part are arranged inside the half shells 16', 16", in particular in the form of a first plate 18 and a second plate 19, which are movable and adjustable relative to each other and to the half shells 16', 16".

[0019] As better shown in Figure 8, the half shell 16' has a receiving seat 20 in which the first plate 18 is arranged and can move parallel to the articulation axis 15 and by means of a first cam screw 21 or other actuating element, thereby allowing the door 14 to be adjusted vertically.

[0020] The first plate 18 is provided with folding parts 22 above and below which define sliding seats for the second plate 19. The second plate 19 can slide relative to the first plate 18 in a direction perpendicular to the articulation axis 15 and can be moved by means of a second cam screw 23, which allows for a frontal adjustment of the door 14.

[0021] The plates 18, 19 may be movable and adjustable in different directions, for example, it is not excluded that the first plate 18 is movable in a direction perpendicular to the joint axis 15 and the second plate 19 is movable parallel to said joint axis 15.

[0022] The second plate 19 has an extension 19' which terminates in two mutually parallel flat arms 24 having coaxial holes 25 into which the articulation shafts 15 are inserted.

[0023] The articulation axis 15 is pivotally connected to the mobile part 13. The mobile part 13 is preferably constituted by two bodies 26, 27 which can be moved relative to each other to allow lateral adjustment of the door 14.

[0024] Specifically, the movable part 13 includes a first body 26 having a coaxial hole 28 for pivotal connection with the joint shaft 15, and a second body 27. The second body 27 is connected to the first body 26, so that the second body 27 can slide in a direction perpendicular to the joint shaft 15 and in a direction parallel to a flange 27' of the second body 27. The flange 27' is used to fix the second body 27 to the door 14. The sliding of the second body 27 relative to the first body 26 is controlled by a third cam screw 29.

[0025] In the preferred embodiment shown, the damping device for damping the closing movement of the hinge comprises at least one fluid-operated damper, e.g. an oil-operated damper, disposed in a corresponding seat in at least one of the plates 18, 19 and substantially flush with the respective plate 18, 19.

[0026] Preferably, two hydraulic linear dampers 30 are provided within at least one of the plates 18, 19 and are substantially coplanar with the plates 18, 19. In the embodiment shown, both plates 18, 19 have seats 31', 31" for the dampers 30.

[0027] Each damper 30 includes a cylinder 32 facing the extension 19' of the plate 19 and a stem 33 extending from the cylinder 32 in the opposite direction to the extension 19'. A spring (not shown) is also provided for resetting the stem 33, and the spring can be located inside the cylinder 32 or coaxially with the stem 33.

[0028] The cylinder 32 is slidably supported by a support element 34 which can be fixed in a seat 31" of the second plate 19, and the stem 33 extends into said support element 34 so as to abut against an end wall 34' of said element 34.

[0029] The damper 30 is actuated by a drive element 35 operatively connected to the movable part 13 of the hinge. Preferably, the drive element 35 is in the form of a flat element arranged in the extension 19' of the second plate 19 and is able to act on the cylinder 32 of the damper 30 to compress it by moving parallel to the plate 19 and slidably along the surface of the body 16', 16" of the fixed part 11. Preferably, the drive element 35 is operatively connected to the movable part 13 by a connecting lever 36, which is articulated to the drive element 35 by an axis 37 and to the movable part 13, in particular to the first body 26 of the movable part 13, by an axis 38 spaced apart from the articulation axis 15 of the hinge. This defines a crank mechanism, which is able to compress the damper 30 during the closing movement of the hinge, in particular along the last 25° to 35° shown in FIG. 6, up to the fully closed position.

[0030] The drive element may also be of another type, for example a pivotable lever or a movable cam in the fixed part 11, and the functional connection with the movable part 13 of the hinge may be realised via a different transmission system.

[0031] Likewise, the arrangement of the damper 30 can be reversed: the cylinder 32 is fixed in the support element 34, and the stem 33 is oriented towards the drive element 35, which may be actuated directly or indirectly by means of a tip element arranged on the stem 33 itself.

[0032] In order to bring the hinge 10 into the closed position and to keep it there until the intervention of the user, as mentioned above, the hinge 10 comprises elastic closure means, which preferably comprise a V-shaped spring 39 of the leaf or metal wire type arranged on the mobile part 13, in particular on the first body 26. The spring 39 has a first elastic arm 39' resting on a fixed abutment surface 26' of the body 26 and a second elastic arm 39" acting on a cam 40. The cam 40 is supported by the second plate 19 of the fixed part 11 at the articulation axis 15 and is formed so as to generate a force acting in the closing direction starting from an opening angle comprised, for example, between 30° and 45°.

[0033] For a quick mounting of the hinge on the furniture article, the housing body 16', 16" of the fixing part 11 preferably has fastening means which can be fastened to at least one hollow retaining element. The fastening means is preferably formed by two half shells 41', 41" which can be connected to one another by a bayonet or sliding coupling. The hollow retaining element can be fixed to a seat 17 provided in the thickness of the side wall 12 by means of screws which can be inserted in holes 42 provided in lateral flanges 43 of the retaining element 41', 41".

[0034] Alternatively, the retaining element may be secured to the seat 17 by adhesive bonding or by interlocking engagement means or other types of means.

[0035] The fastening means of the housing bodies 16', 16" preferably comprises a fastening plate 44 which is movably supported outside the half shell 16' and has at least one hook 44' engageable with at least one engagement projection or tooth 45 provided inside the hollow retaining element 41', 41".

[0036] Preferably, the fixation plate 44 can be moved parallel to the articular axis 15 and is controllable by a cam screw 46 engageable between the half-shell 16' and its plate 44. However, the possibility of changing the contour of the fixation plate or moving it in another way is not excluded.

[0037] To facilitate insertion of the housing body 16', 16" into the hollow retaining element 41', 41", preferably a cone or inlet surface is present on the housing body 16', 16" and / or on the hollow retaining element 41', 41".

[0038] The possibility of inserting and fastening the housing body 16', 16" of the fixing part of the hinge directly into the seat 17 of the side wall 12 of the furniture article without using a hollow retaining element is not excluded. Fastening can be effected, for example, by means of screws arranged on adapted lateral flanges of the body 16', 16" and directly engageable with the wall 12, or by means of one or more shanks provided on the rear side of the body 16', 16". The one or more shanks can be fastened to the side wall 12 by pressure or by means of screws inserted into holes provided on the sides of the wall 12 so as to engage with corresponding side holes of the shanks. The corresponding side holes of the shanks are preferably conveniently shaped, for example with a conical surface, in order to generate an additional tension that can make the fastening stable and precise.

[0039] In the embodiment shown, a flat seat 17 provided in the thickness of the side wall 12 has an insertion opening for the fixing part 11 of the hinge, which is open only on the front side of the side wall 12. In this case, the side wall 12 has an access window 47 on the inside for accessing the adjustment and / or fixing parts of the hinge, in particular the cam screws 21, 23, 46, which window 47 can be closed by a cover not shown.

[0040] Alternatively, the flat seat 17 may open on the inside or outside of the side wall 12 of the furniture article. In this case, the fixing part 11 of the hinge can be attached not only by inserting it into the seat 17 from the front, but also by placing the fixing part 11 of the hinge beside the seat 17 and inserting it laterally.

[0041] In this case, the fixing can be carried out, for example, by providing one of the two containers 16', 16" with a peripheral flange, said peripheral flange being provided with holes for the insertion of screws which can engage in the side wall 12 of the furniture article.

[0042] Furthermore, a cover is provided to cover the side opening of the flat seat 17. After the hinge is inserted and fixed in the seat 17, the cover is applied to the hinge or the side wall and fixed.

[0043] The hinge configuration according to the invention allows more than two hinges, for example three or more hinges, to be fitted to an article of furniture by providing a corresponding number of flat seats on the side walls of the furniture, which allows it to support doors of greater weight and size.

[0044] FIG. 9 shows a second embodiment of the present invention, with the same reference numbers used to indicate similar or equivalent parts.

[0045] In this embodiment, instead of a damping device, the hinge 10 is provided with a different motion control device, in particular in the form of an elastic opening device, which is able to impart a movement to the hinge starting from the closed position of the hinge in the opening direction, for example along an angle comprised between 20° and 50°. In this case, the hinge does not comprise the elastic closure means 39, 40 provided by the hinge according to the first embodiment.

[0046] In particular, the elastic opening device of the hinge 10 comprises at least one opening spring, preferably a first and a second opening spring 48, each of which is arranged parallel to one another in a seat 31'' provided on at least the second plate 19 and substantially flush with the plate 19.

[0047] A first end of each spring 48 is arranged on a respective support element 49 which can be fixed to the seat 31'' of the second plate 19, and the opposite end of the springs 48 protrudes towards the extension 19' of the plate 19 and comes into direct or indirect contact with a drive element 35 which is operatively connected to the movable part 13 of the hinge.

[0048] Indirect contact can be achieved, for example, by having a tip element and / or a guide element on the spring 48 at the end facing the extension 19' of the plate 19, which tip element and / or guide element is inserted onto or within the spring and comes into contact with the drive element 35.

[0049] Preferably, the drive element 35 is in the form of a flat element. It is arranged in the extension 19' of the second plate 19 and can move parallel to it and thus in a sliding manner along the surface of the body 16', 16" of the fixed part 11. This allows it to act on the spring 48 so as to compress it and / or to be pushed by it.

[0050] The drive element 35 is operatively connected to the movable part 13 via a connecting lever 36. The connecting lever 36 is articulated with the drive element 35 and with the movable part 13, thereby defining a crank mechanism which is able to compress the spring 48 during the closing movement of the hinge, for example along the last 20°-50° of the closing movement. In this way, the spring 48 can impart the aforementioned movement in the opening direction relative to the hinge after releasing a conventional retaining device for releasably retaining the door in the closed position.

[0051] It is not excluded that the means of functional connection with the drive element and / or with the movable part can be of different types.

[0052] FIG. 10 illustrates a third embodiment of the present invention, with the same reference numbers used to indicate similar or equivalent parts.

[0053] Also in this further embodiment, instead of a damping device, the hinge 10 is provided with a different motion control device, in particular a movement control device in the form of an elastic opening device which is able to impart a movement to the hinge, starting from the closed position of the hinge, in the opening direction, for example along an angle comprised between 20° and 50°.

[0054] In this case, the elastic opening device of the hinge 10 comprises a V-shaped spring 49 of the leaf or metal wire type, which has a similar or corresponding contour and arrangement to the closing spring 39 of the first embodiment shown in figures 1 to 8. In particular, the opening spring 49 is arranged in the mobile part 13, in particular in the first body 26. The spring 49 has a first elastic arm 49' resting on a fixed abutment surface 26' of the body 26 and a second elastic arm 49" acting on a cam 50, which is supported by the second plate 19 of the fixed part 11 at the articulation axis 15 and has a different shape to the cam 39 of the first embodiment, thereby generating a force which, starting from the closed position of the hinge, acts in the opening direction, for example along an opening angle comprised between 0° and 50°.

[0055] It has in fact been found that the hinge according to the invention has fully achieved the aims and objectives set out for it, in particular that it is practically invisible, since it is embedded in the thickness of the side wall of the furniture article, without being an obstacle in said wall, and furthermore, since it is possible to mount more than one hinge, the use of the hinge according to the invention allows the creation of furniture articles with novel designs, with doors of great weight and size, and without visible ironmongery elements in the side wall.

[0056] Likewise, the hinge according to the invention can be easily and quickly attached to an article of furniture and is simpler in terms of construction than conventional solutions.

[0057] The hinge and article of furniture according to the invention are susceptible to numerous modifications and variations, all of which fall within the scope of the appended claims. Moreover, all the details may be substituted with other technically equivalent elements.

[0058] In practice, the materials used and the unspecified dimensions and shapes may be arbitrarily adopted according to the requirements and state of the art.This application claims priority based on the disclosures of Italian Patent Application No. 102019000014091, the entire contents of which are incorporated herein by reference.

[0059] Where reference signs are provided after technical features described in the claims, these are included only to facilitate comprehension of the claims, and therefore do not have any limiting effect on the interpretation of the respective elements identified by such reference signs, for example.

Claims

1. A hinge (10) for a door of furniture or the like, comprising: A fixing part (11) connectable to a side wall (12) of a piece of furniture; A movable part (13) connectable to a door (14); Equipped with The fixed part (11) and the movable part (13) are connected to each other so as to rotate by at least one joint shaft (15); the hinge (10) further comprises a motion control device for controlling the opening and closing motion of the hinge (10), said motion control device being in particular in the form of a damping device (30) for damping the closing motion of the hinge or an elastic opening device (48, 49) for opening the hinge (10); the fixed part (11) of the hinge (10) has a substantially flat housing body (16', 16") extending along a plane parallel to or passing through the articulation axis (15); the housing body (16', 16") of the fixing part (11) is shaped so that it can be inserted and fixed into a flat seat (17) provided within the thickness of the side wall (12) of the furniture; The housing body (16', 16") of the fixed part (11) has fastening means (44), said fastening means (44) being capable of fastening to at least one hollow retaining element (41', 41") capable of being fixed in said seat (17) provided in said side wall (12); A hinge (10).

2. the motion control device is disposed within the housing body (16', 16") of the fixed portion (11) of the hinge (10) and is operatively connected to the movable portion (13) of the hinge (10); A hinge (10) according to claim 1, characterised in that

3. The motion control device includes a damping device (30) for damping the closing motion of the hinge (10); The hinge further comprises elastic closure means (39, 40) for closing the hinge. A hinge (10) according to claim 2, characterised in that

4. a first element (18) and a second element (19) of the fixed part (11) in the form of a first plate (18) and a second plate (19) are arranged inside the housing body (16', 16"); The damping device includes at least one fluid-operated damper (30); the damper (30) is disposed in a corresponding seat (31', 31") in at least one of the first plate (18) and the second plate (19) and is substantially flush with the first plate (18) and the second plate (19); A hinge (10) according to claim 3, characterised in that

5. a drive element (35) for at least one said damper (30), said driving element (35) is operatively connected to said movable part (13) of said hinge, said driving element (35) being movable in the plane of said fixed part (11) so as to act on at least one said damper (30); A hinge (10) according to claim 4, characterised in that

6. a first element (18) and a second element (19) of the fixed part (11) in the form of a first plate (18) and a second plate (19) are arranged inside the housing body (16', 16"); The motion control device is in the form of a resilient opening device for opening the hinge, said elastic opening device having at least one opening spring (48), said at least one opening spring (48) being disposed in a corresponding seat (31 ″) provided in said second plate (19) so as to be substantially flush with said plate (19); one end of at least one said opening spring (48) is arranged to be in direct or indirect contact with a drive element (35) operatively connected to said movable part (13) of said hinge; A hinge (10) according to claim 2, characterised in that

7. The drive element (35) is a flat sliding element, a connecting lever (36) articulated between said driving element (35) and said movable part (13) of the hinge; A hinge (10) according to claim 5 or 6, characterised in that

8. The motion control device is in the form of a resilient opening device for opening the hinge, The elastic release device includes a leaf or metal wire type V-shaped spring (49) disposed within the movable part (13) of the hinge; a resilient arm (49″) of said spring (49) adapted to act on a cam (50) supported by said fixed part (11) at said articulation shaft (15); A hinge (10) according to claim 1, characterised in that

9. The elastic closure means of the hinge comprises a V-shaped spring (39) of leaf or metal wire type arranged in the movable part (13), the arm (39") of the spring (39) is adapted to act on a cam (40) supported by the fixed part (11) of the hinge at the articulation axis (15); A hinge (10) according to any one of claims 3 to 5.

10. a first element (18) and a second element (19) of the fixed part (11) are arranged inside the housing body (16', 16") and are movable and adjustable relative to each other and to the housing body (16', 16"); one of the first element (18) and the second element (19) is connected to the movable part (13) of the hinge; A hinge (10) according to any one of the preceding claims, characterised in that

11. The first element (18) and the second element (19) of the fixed part (11) are in the form of a first plate (18) and a second plate (19), The housing body (16', 16") is formed by two flat half shells (16', 16") which can be joined together, the first half-shell (16') has a seat (20) for receiving said first plate (18) so that said first plate (18) can move in a first direction and can be moved by a first cam screw (21); The first plate (18) then has a seat for the second plate (19) to slide on, the second plate (19) being able to slide in a second direction relative to the first plate (18), perpendicular to the first direction, and moved by a second cam screw (23); A hinge (10) according to claim 10, characterised in that

12. The movable part (13) comprises a first body (26) and a second body (27), The first body (26) is pivotally connected to the articulated shaft (15); said second body (27) is movably connected to said first body (26) and can be moved by a cam screw (29); A hinge (10) according to any one of the preceding claims, characterised in that

13. The fastening means (44) comprises a fastening plate; The fastening plate is supported so that it can move and be driven outside the body (16', 16'') and has at least one hook (44') so as to be engageable with at least one engagement projection or tooth (45) provided inside the hollow holding element (41', 41''). A hinge (10) according to claim 1, characterised in that

14. A piece of furniture comprising at least one side wall (12) and at least one door (14), At least one of the side walls (12) and at least one of the doors (14) are pivotally connected to each other by two or more of the hinges according to any one of claims 1 to 13; The side wall (12) has two or more flat seats (17), Two or more of said flat seats (17) are provided within the thickness of said side wall (12) and are flush with said side wall (12); the substantially flat housing body (16', 16") of the fixing part (11) of each of the hinges is inserted and fixed in a respective flat seat part (17) provided within the thickness of the side wall (12) of the furniture; The furniture is characterized by:

15. Each of the flat seats (17) provided in the thickness of the side walls (12) has an insertion opening for the hinge, The insertion opening is open only on the front side of the side wall (12), said side wall (12) having an access window (47) on the inside for accessing the adjustment and / or fixing members of said hinge; said access window (47) can be closed by a cover, 15. Furniture according to claim 14, characterized in that

16. Each of the flat seats (17) provided in the thickness of the side walls (12) has an insertion opening for the hinge, The insertion opening opens on the front side of the side wall (12) of the furniture, and on the inside or outside, A cover for covering the side opening of the flat seat (17).

15. Furniture according to claim 14, characterized in that

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