Furniture fitting or building fitting
Patent Information
- Application Number
- EP2023776842
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-11-21
- Filing Date
- 2023-09-12
- Publication Date
- 2025-06-18
- Estimated Expiration
- 2043-09-12
AI Technical Summary
Existing furniture and building fittings with adjustment devices are prone to mechanical overloading, leading to thread damage or breakage, as the adjustment wheels can be pulled out or break under stress.
Incorporating a separate stop mechanism, such as a curved counter-stop, for the adjusting element to limit rotational movement and provide defined feedback on the maximum adjustment path, reducing the risk of damage and thread disengagement.
The solution significantly reduces the risk of mechanical overloading and thread damage, providing users with clear feedback on the adjustment limits, ensuring the longevity of the fitting components.
Smart Images
Figure 1.1
Abstract
Description
[0001] Furniture fittings or building fittings
[0002] The present invention relates to a furniture fitting or building fitting, comprising:
[0003] - at least one base,
[0004] - at least one bearing device movable relative to the base,
[0005] - at least one adjusting device for adjusting a position of the bearing device relative to the base, wherein the adjusting device has at least one rotatable adjusting element, wherein the position of the bearing device relative to the base can be adjusted by rotating the at least one adjusting element,
[0006] - wherein the at least one adjusting element has a lateral surface in which at least one thread is arranged, wherein the at least one thread is or can be brought into engagement with the bearing device at least in sections.
[0007] Furthermore, the invention relates to a drawer side wall with at least one fitting of the type to be described and to a drawer with at least one such drawer side wall.
[0008] In the AT 510 954 Bl there is a drawer side panel with a
[0009] An adjustment device is disclosed by which a position of a drawer front panel can be adjusted relative to the drawer side wall. The adjustment device comprises a first adjustment wheel and a second adjustment wheel, wherein the drawer front panel can be adjusted relative to the drawer side wall by rotating the first adjustment wheel in a lateral direction and by rotating the second adjustment wheel in a vertical direction. One disadvantage is that mechanical overloading of the adjustment wheels could lead to a tearing out of the thread or to breakage of the adjustment wheels.
[0010] Non-generic furniture fittings are disclosed in EP 3 363 327 A1, DE 20 2013 002 233 U1, and DE 102 10 017 C1. The object of the present invention is to provide a fitting of the aforementioned type while avoiding the disadvantages discussed above.
[0011] This is achieved according to the invention by the features of patent claim 1. Further advantageous embodiments of the present invention are defined in the dependent claims.
[0012] According to the invention, it is provided that the at least one adjusting element has at least one stop separate from the thread, wherein at least one, preferably curved, counter-stop is provided, against which the stop of the adjusting element can be placed to limit a rotational movement of the adjusting element.
[0013] Thus, the at least one adjustment element has at least one stop separate from the thread, which can be applied to at least one counter-stop to limit the rotational movement of the adjustment element. This allows a defined limitation of the rotational movement of the adjustment element, with the user receiving defined feedback regarding the maximum adjustment travel. The risk of damage to the adjustment element and of the thread being torn out of the furniture fitting can thus be significantly reduced.
[0014] The at least one counter-stop can be arranged on the at least one base and / or movable relative to the at least one base and / or adjustable relative to the at least one base.
[0015] According to one possible embodiment, it can be provided that the at least one bearing device and / or the at least one base is or are substantially plate-shaped. This allows for a compact arrangement and simple manufacture of the fitting.
[0016] Further details and advantages of the present invention will become apparent from the following description of the figures. Fig. 1a, 1b show a piece of furniture with a furniture body and drawers movable relative to the furniture body, as well as a drawer side wall in perspective views.
[0017] Fig. 2 shows a fitting for the detachable fastening of a drawer front panel in a perspective view,
[0018] Fig. 3 shows the fitting according to Fig. 2 in a further perspective view,
[0019] Fig. 4a-4c show the adjustment device with the adjustment element in three different rotational positions,
[0020] Fig. 5a , 5b show the fitting in an exploded view and an enlarged detailed view,
[0021] Fig. 6a , 6b show the fitting in a further exploded view as well as an enlarged detailed view,
[0022] Fig . 7a-7d show the adjustment element in three different rotational positions as well as the adjustment element in a perspective view .
[0023] Fig . la shows a piece of furniture 1 with a furniture body 2 and with drawers 3 , which are arranged relative to the furniture body 2 via (not shown here)
[0024] Drawer pull-out guides are mounted so that they can move.
[0025] The drawers 3 each have two lateral drawer side walls 4 , a drawer front panel 5 , a drawer bottom 6 and a drawer rear wall 7 .
[0026] Fig. 1b shows the drawer side wall 4 in a perspective view, wherein the drawer side wall 4 has a hollow chamber profile 4a. The drawer side wall 4 comprises an inner profile wall 8a and an outer profile wall 8b, which is at least partially spaced from the inner profile wall 8a.
[0027] The drawer side wall 4 can have a fastening adapter 9, by means of which the drawer rear wall 7 can be connected, preferably detachably, to the drawer side wall 4. The drawer side wall 4 is connected to a support profile 10, which is designed to be connected to a movable guide rail of a drawer pull-out guide. For this purpose, the support profile 10 has a U-profile, in which the movable guide rail of the drawer pull-out guide can be arranged and detachably locked therein. Furthermore, the support profile 10 is provided for supporting the drawer bottom 6.
[0028] The drawer side wall 4 can be releasably locked to a fitting 12 that is to be fastened to a piece of furniture, preferably to the drawer front panel 5. The fitting 12 can, for example, comprise two or more dowels 13 that can be fixed in pre-drilled holes in the drawer front panel 5. Fig. 1b shows the locked state between the drawer side wall 4 and the fitting 12.
[0029] At least one fitting 14 is arranged in the hollow chamber profile 4a of the drawer side wall 4, which fitting can be releasably locked to the fitting part 12 to be fastened to the drawer front panel 5.
[0030] The fitting 14 has at least one adjusting device 15, by means of which the position of the fitting part 12 (and thus the position of the drawer front panel 5) relative to the drawer side wall 4 can be adjusted in a first adjusting direction (preferably in a lateral direction relative to the drawer side wall 4).
[0031] By means of a height adjustment device 16, the position of the fitting part 12 (and thus the position of the drawer front panel 5) can be adjusted in a second adjustment direction running transversely to the first adjustment direction (preferably in a height direction relative to the drawer side wall 4).
[0032] Fig. 2 shows the fitting 14 for the releasable fastening of the drawer front panel 5 in a perspective view. The fitting 14 is, in an assembled state, substantially completely integrated into the drawer side wall 4. The fitting 14 has a base 18 which is connected, preferably via a connecting web 19, to the support profile 10 of the drawer side wall 4. In addition, the fitting 14 comprises at least one bearing device 20 which can be releasably locked to the fitting part 12 and which is adjustably mounted relative to the base 18.
[0033] By means of the adjusting device 15, a position of the bearing device 20 (and thus a position of the drawer front panel 5) relative to the drawer side wall 4 can be adjusted in a first adjustment direction (preferably in a lateral direction) relative to the base 18. The adjusting device 15 comprises at least one rotatable adjustment element 15a, wherein the position of the bearing device 20 relative to the base 18 can be adjusted by rotating the at least one adjustment element 15a.
[0034] By means of the height adjustment device 16, the bearing device 20 can be adjusted relative to the base 18 in a second adjustment direction extending transversely to the first adjustment direction. The height adjustment device 16 has a rotatably mounted height adjustment element 16a, wherein the bearing device 20 can be adjusted in a height direction relative to the base 18 by rotating the height adjustment element 16a.
[0035] The fitting part 12 with the two or more dowels 13 spaced apart in the vertical direction is to be fastened to the rear of the drawer front panel 5. The fitting 14 has at least one locking device 22 with a catch element 22a loaded by a spring 21. The catch element 22a, preferably in the form of a rocker arm, is rotatably mounted about an axis, wherein the fitting part 12 can be releasably locked to the catch element 22a of the locking device 22 by a force of the spring 21.
[0036] The locking between the fitting 14 and the fitting part 12 can be released again by means of a rotatable release element 17. By turning the release element 17 using a screwdriver against the force of the spring 21, the fitting part 12 can be separated again from the fitting 14. Fig. 3 shows the fitting 14 according to Fig. 2 in a further perspective view, wherein part of the base 18 has been hidden for the sake of clarity.
[0037] The at least one adjusting device 15 has at least one rotatable adjusting element 15a with a thread 27 (not shown here) (Fig. 5b). The adjusting element 15a has at least one stop 23 separate from the thread 27, wherein at least one, preferably curved, counter-stop 24a, 24b is provided, against which the stop 23 of the adjusting element 15a can be placed to limit a rotational movement of the adjusting element 15a.
[0038] According to a preferred embodiment, it can be provided that the stop 23 is designed as a projection on the adjusting element 15a extending in the radial direction.
[0039] The at least one counter-stop 24a, 24b can be arranged or formed on the height adjustment device 16. The height adjustment device 16 has a rotatably mounted height adjustment element 16a, wherein the at least one counter-stop 24a, 24b is arranged or formed on the height adjustment element 16a.
[0040] The arrangement of at least one counter-stop 24a, 24b on the height adjustment device 16, preferably on the rotatable height adjustment element 16a, has the particular advantage that no additional counter-stops 24a, 24b need to be arranged or formed on the base 18 and / or on the bearing device 20. In this way, a simple and cost-effective manufacture of the fitting 14 as well as a compact design of the fitting 14 are possible.
[0041] Fig. 4a-4c show the adjustment device 15 with the rotatable adjustment element 15a in three different rotational positions.
[0042] Fig. 4a shows that the stop 23 of the adjustment element 15a rests against a first counter-stop 24a of the height adjustment device 16, preferably on the height adjustment element 16a. In this way, a rotational movement of the adjustment element 15a in a first direction of rotation can be limited. The user receives concrete feedback that a first end position of the adjustment element 15a has been reached and that further rotation of the adjustment element 15a in the first direction of rotation is not possible.
[0043] Fig. 4b shows the rotatable adjusting element 15a in a middle position in which the stop 23 is spaced from both the first counter-stop 24a and the second counter-stop 24b.
[0044] Fig. 4c shows that the stop 23 of the adjustment element 15a rests against a second counter-stop 24b of the height adjustment device 16, preferably on the height adjustment element 16a. In this way, a rotational movement of the adjustment element 15a in a second direction of rotation can be limited. The user receives concrete feedback that a second end position of the adjustment element 15a has been reached and that further rotation of the adjustment element 15a in the second direction of rotation is not possible.
[0045] According to one embodiment, it can be provided that the at least one adjusting element 15a is movable over a maximum rotation angle range of 360 °, preferably over a maximum rotation angle range of 330 °.
[0046] Fig. 5a shows the fitting 14 in an exploded view. The at least one bearing device 20 and / or the at least one base 18 can be substantially plate-shaped. This enables simple manufacture of the fitting 14 with a compact design.
[0047] The at least one adjusting device 15 is designed to adjust a distance of the at least one bearing device 20 from the at least one base 18.
[0048] In the exemplary embodiment shown, it is provided that the at least one adjusting device 15 is designed to adjust a distance of the at least one bearing device 20 in a direction substantially perpendicular to a plane formed by the plate-shaped bearing device 20 or base 18. The base 18 can have at least two spaced-apart, preferably substantially plate-shaped, base parts 18a, 18b, between which the at least one adjusting element 15a of the adjusting device 15 is mounted at least in sections.
[0049] Likewise, the bearing device 20 can have at least two spaced-apart, preferably substantially plate-shaped, bearing parts 20a, 20b, which can be adjusted jointly relative to the base 18 by rotating the adjusting element 15a of the adjusting device 15. In the figure shown, the first bearing part 20a is locked to the fitting part 12 to be fastened to the drawer front panel 5, while the second bearing part 20b of the bearing device 20 is shown in isolation.
[0050] The adjusting element 15a of the adjusting device 15 has a pin 28a, which is rotatably mounted in a hole 28b of the base 18. This can be achieved via a conventional rivet connection.
[0051] Furthermore, the adjusting element 15a of the adjusting device 15 has a preferably helical thread 27 which engages or can be brought into engagement with the bearing device 20 via an engagement section 29.
[0052] In the embodiment shown, the engagement section 29 is arranged or formed on the bearing device 20 and has at least one chamfer 29a which engages or can be brought into engagement with the thread 27 of the adjusting element 15a.
[0053] The base 18, here the base part 18b of the base 18, has at least one, preferably circular, recess 25a, in which the adjusting element 15a of the adjusting device 15 is partially received.
[0054] In the embodiment shown, the base 18 has a further circular recess 25b in which the rotatably mounted height adjustment element 16a of the height adjustment device 16 can be partially received.
[0055] The rotatable height adjustment element 16a can have at least one eccentric, which is guided in a, preferably linear, guide 26 of the bearing device 20. By rotating the height adjustment element 16a, the height of the bearing device 20 relative to the base 18 can be adjusted.
[0056] Fig. 5b shows the area framed in Fig. 5a in an enlarged view. The at least one stop 23 of the adjustment element 15a of the adjustment device 15 can be applied to the counter-stops 24a, 24b of the height adjustment element 16a of the height adjustment device 16, whereby a maximum rotational movement of the adjustment element 15a can be limited in both directions of rotation.
[0057] In a possible embodiment of the invention, it can be provided that the at least one thread 27 is or can be brought into engagement with the bearing device 20 only on a first side, wherein the thread 27 is spaced from the bearing device 20 on a second side diametrically opposite the first side, preferably forming a gap.
[0058] Thus, the adjusting element 15a of the adjusting device 15 is in contact with the base 18 via the pin 28a and with the bearing device 20 on only one side via the thread 27. The diametrically opposite side of the adjusting element 15a, however, is disengaged from the bearing device 20. Thus, it is not necessary for the adjusting element 15a to be screwed into the fitting 14, as is otherwise usual, thus enabling simple assembly of the adjusting element 15a.
[0059] It is preferably provided that the adjusting element 15a of the adjusting device 15 and / or the height adjusting element 16a of the height adjusting device 16 has or have a receiving contour 32 for receiving a tool, preferably a screwdriver. Fig. 6a shows the fitting 14 in a further exploded view, from which the height adjusting element 16a of the height adjusting device 16 can be seen in more detail. The height adjusting element 16a comprises at least one eccentric with a bolt 30, which is movably mounted in the guide 26 of the bearing device 20. By rotating the height adjusting element 16a, the bearing device 20 can be raised and lowered relative to the base 18.
[0060] Fig. 6b shows the area framed in Fig. 6a in an enlarged view. The bolt 30 of the height adjustment element 16a is received in the guide 26, which runs horizontally in the assembled position.
[0061] Fig . 7 a-7 c show the adjusting element 15a of the adjusting device 15 in three different rotational positions .
[0062] Fig. 7a shows the adjusting element 15a in a first maximum rotational position, with the stop 23 of the adjusting element 15a abutting the first counter-stop 24a of the height-adjusting element 16a. In this way, a clockwise rotation of the adjusting element 15a can be limited.
[0063] Fig. 7b shows a middle rotational position of the adjusting element 15a, wherein the stop 23 of the adjusting element 15a rests neither on the first counter-stop 24a nor on the second counter-stop 24b.
[0064] Fig. 7c shows the adjusting element 15a in a second maximum rotational position, with the stop 23 of the adjusting element 15a abutting the second counter-stop 24b of the height-adjusting element 16a. In this way, a counterclockwise rotation of the adjusting element 15a can be limited.
[0065] In the exemplary embodiment shown, at least two counter-stops 24a, 24b are provided which are spaced apart from one another, wherein the at least one adjusting element 15a can be placed against the first counter-stop 24a in a first end position and against the second counter-stop 24b in a second end position. Preferably, the first counter-stop 24a and the second counter-stop 24b can be arranged on the same, preferably rotatable, component. In the exemplary embodiment shown, both counter-stops 24a, 24b are arranged on the rotatable height adjustment element 16a of the height adjustment device 16. In this way, the fitting 14 can be designed to be very compact.
[0066] Fig. 7d shows the rotatable adjustment element 15a of the adjustment device 15 in a perspective view. The adjustment element 15a has a cylindrical pin 28a, which is rotatably mounted in a hole 28b (Fig. 5a) of the base 18.
[0067] Furthermore, the at least one adjusting element 15a has a, preferably substantially cylindrical, outer surface 31, wherein at least one, preferably helical, thread 27 extends along the outer surface 31 of the adjusting element 15a.
[0068] The at least one thread 27 is at least partially in engagement with the bearing device 20 or can be brought into engagement with the bearing device 20.
[0069] The at least one stop 23 is formed as a projection extending in the radial direction on the adjusting element 15a and / or on a head of the adjusting element 15a.
[0070] According to a preferred embodiment, it can be provided that the at least one adjusting element 15a consists of metal, in particular zinc, aluminum or a cold-formed part, or of plastic.
[0071] The fitting 14 shown and described can be used advantageously not only for furniture 1, furniture parts or furniture fitting parts, but also as a building fitting (for example for windows or doors).
Claims
Patent claims Furniture fitting (14) or building fitting, comprising: - at least one base (18) , - at least one bearing device (20) movable relative to the base (18), - at least one adjusting device (15) for adjusting a position of the bearing device (20) relative to the base (18), wherein the adjusting device (15) has at least one rotatable adjusting element (15a), wherein the position of the bearing device (20) relative to the base (18) can be adjusted by rotating the at least one adjusting element (15a), - wherein the at least one adjusting element (15a) has a lateral surface (31) in which at least one thread (27) is arranged, wherein the at least one thread (27) is or can be brought into engagement with the bearing device (20) at least in sections, characterized in that the at least one adjusting element (15a) of the adjusting device (15) has at least one stop (23) separate from the thread (27), wherein at least one, preferably curved, counter-stop (24a, 24b) is provided, against which the stop (23) of the adjusting element (15a) can be placed to limit a rotational movement of the adjusting element (15a). Fitting (14) according to claim 1, wherein the at least one bearing device (20) and / or the at least one base (18) is or are substantially plate-shaped.Fitting (14) according to claim 1 or 2, wherein the at least one adjusting device (15) is designed to adjust a distance of the at least one bearing device (20) from the at least one base (18). Fitting (14) according to claim 2 and 3, wherein the at least one adjusting device (15) is designed to adjust a distance of the at least one bearing device (20) in a direction in. Essentially perpendicular to one of the plate-shaped Bearing device (20) or base (18). Fitting (14) according to one of claims 1 to 4, wherein the base (18) has at least two spaced apart, preferably substantially plate-shaped, base parts (18a, 18b), between which the at least one adjusting element (15a) of the Adjustment device (15) is mounted at least in sections. Fitting (14) according to one of claims 1 to 5, wherein the Bearing device (20) is adjustable relative to the base (18) by the adjustment device (16) in a first adjustment direction, wherein a height adjustment device (16) is provided, by means of which the bearing device (20) is adjustable relative to the base (18) in a second adjustment direction extending transversely to the first adjustment direction. Fitting (14) according to claim 6, wherein the at least one Counter stop (24a, 24b) is arranged or formed on the height adjustment device (16), preferably wherein the Height adjustment device (16) has a rotatably mounted height adjustment element (16a), wherein the at least one counter-stop (24a, 24b) is arranged or formed on the height adjustment element (16a). Fitting (14) according to one of claims 1 to 7, wherein a maximum adjustment path of the at least one adjustment element (15a) is predetermined by the at least one stop (23) and by the at least one counter-stop (24a, 24b). Fitting (14) according to one of claims 1 to 8, wherein the stop (23) is formed as a projection extending in the radial direction on the adjustment element (15a) and / or on a head of the adjustment element (15a). Fitting (14) according to one of claims 1 to 9, wherein at least two spaced-apart counter-stops (24a, 24b) are provided. wherein the at least one adjusting element (15a) can be placed against a first counter-stop (24a) in a first end position and against a second counter-stop (24b) in a second end position, preferably wherein the first counter-stop (24a) and the second counter-stop (24b) are arranged on a same, preferably rotatable, component. Fitting (14) according to one of claims 1 to 10, wherein the at least one counter-stop (24a, 24b) is arranged on the at least one base (18) and / or is movable relative to the at least one base (18) and / or is adjustable relative to the at least one base (18).Fitting (14) according to one of claims 1 to 11, wherein the bearing device (20) is designed to support at least one fitting part (12) to be fastened to a furniture part, preferably to a drawer front panel (5), preferably wherein the bearing device (20) has at least one locking device (22) for releasably locking the at least one fitting part (12). Fitting (14) according to one of claims 1 to 12, wherein the at least one adjusting element (15a) of the adjusting device (15). - is movable over a maximum rotation angle range of 360°, preferably over a maximum rotation angle range of 330°, and / or - has at least one pin (28a) which is rotatably mounted in a hole (28b) of the base (18), and / or - has at least one receiving contour (32) for receiving a tool. Fitting (14) according to one of claims 1 to 13, wherein the at least one thread (27) engages or can be brought into engagement with the bearing device (20) only on a first side, wherein the thread (27) is spaced from the bearing device (20) on a second side diametrically opposite the first side, preferably forming a gap. Drawer side wall (4) with at least one fitting (14) according to one of claims 1 to 14, preferably wherein the drawer side wall (4) has a hollow chamber profile (4a), wherein the at least one fitting (14) is arranged substantially entirely within the hollow chamber profile (4a). Drawer (3) with at least one drawer side wall (15) according to claim 15.