Seating device

The seating device addresses stability and ease of handling issues by incorporating a D-shaped swivel joint system with stops and counter-stops, ensuring stable and adjustable seating orientations and armrests, enhancing user comfort and versatility.

DE102023105690B4Active Publication Date: 2026-05-21MAHDERE SIMON
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
MAHDERE SIMON
Filing Date
2023-03-08
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing seating devices lack stability while being easy to handle, particularly in public spaces, and do not allow for comfortable height adjustment and versatile user orientation.

Method used

A seating device with a swivel joint system featuring a D-shaped cross-section connecting element, stops and counter-stops for stable swivel positions, and adjustable armrests, allowing surfaces to function as either a seat or backrest based on pivot position, with central swivel integration and secure locking mechanisms.

Benefits of technology

The solution provides high stability, ease of handling, and comfortable height adjustment, enabling versatile user orientation and secure positioning of seats and armrests, suitable for public spaces.

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Abstract

Seating device (1) with at least one pivotably mounted seat (5) comprising two surfaces (14) oriented at an angle to each other, which serve as a backrest and / or seat surface, wherein a pivot joint (13) is arranged in a connection area between the surfaces (14), and the pivot joint (13) is coupled to a connecting element (3) extending between support legs (2), wherein the connecting element (3) has a cross-section for the rotationally fixed mounting of a stator (17) of the pivot joint (13) and a rotor (16) of the pivot joint (13) is coupled to the seat (5), characterized in that the connecting element (3) has a D-shaped cross-section for the rotationally fixed mounting of the stator (17) of the pivot joint (13), wherein the rotor (16) of the pivot joint (13) has stops (20) oriented concentrically to the pivot axis,which, in conjunction with the counter-stops (21) of the stator (17), determine two stable pivot positions of the seat (5) and the stator (17) comprises two rings (18) that can be fixed to the connecting element (3), between which the rotor (16) is arranged, wherein the counter-stops (21) are formed in both rings (18).
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Description

[0001] The invention relates to a seating device according to the preamble of claim 1.

[0002] A seating device is known from the online magazine Yanko Design (https: / / www.yankodesign.com / 2012 / 06 / 01 / brilliant-benchdesign / amp / ). This device features a base with a channel-shaped recess in which each seat is pivotally mounted with a cylindrical foot section. Depending on the pivot position, one surface serves as either a seat or a backrest. The two surfaces are identical and merge at an angle. An arm of a Y-shaped support extends from the foot section, and the other two arms of this support section engage and support the surfaces. The base supports several separately pivotable seats.

[0003] DE 44 28 144 A1 discloses a chair with a seat / backrest section as a rigid unit consisting of a seat and backrest, which can be pivoted about a horizontal axis in two usage positions. The seat and backrest are connected to an outer tube section, which in turn can be rotated relative to the axis via a bearing ring connected to it.

[0004] The invention is based on the objective of creating a seating device of the type mentioned above which has relatively high stability while being easy to handle.

[0005] According to the invention, the problem is solved by the features of claim 1.

[0006] The dependent claims represent advantageous embodiments of the invention.

[0007] The seating device can be divided, for example, into the assemblies of seat and frame, wherein the seat is movably connected to the frame via the swivel joint such that one of the two surfaces, which are preferably substantially identical in shape, serves as the seat surface and the other surface as the backrest, depending on the swivel position, and vice versa. The rotor of the swivel joint can be connected directly or via a retaining element to the two surfaces, which are arranged at an angle to each other. In particular, the stator is not only rotationally fixed but also immovably mounted on the connecting element. A user of the seating device can, for example, pivot the two surfaces around the connecting element by grasping one or the other surface to align them in one direction or the other.The legs of the seat allow for comfortable height adjustment with a relatively short lever arm between the surfaces and the pivot axis, resulting in low torque. When a swivel joint is integrated into the seat, it can be positioned centrally.

[0008] According to the invention, the connecting element has a D-shaped cross-section for the rotationally fixed mounting of the stator of the swivel joint. Naturally, the central opening of the stator is also D-shaped and dimensioned such that axial displacement is possible without additional locking in order to align and space the seats relative to each other on the connecting element.

[0009] Furthermore, the swivel joint has two stops aligned concentrically to the pivot axis, which, in conjunction with counter-stops on the stator, define two stable swivel positions of the seat. The two stops can be designed as stop cams, stop pins, or the like, and ensure the stable position of the surfaces in the respective swivel position. The stops and counter-stops can be arranged such that one surface serves as a backrest in one swivel position and as a seat in the other.

[0010] To reliably determine both the axial position and the radial pivot positions of the seat, the stator, according to the invention, comprises two rings that can be fixed to the connecting element, between which the rotor is arranged, with the counter-stops being formed in both rings. The rings can be fastened to the connecting element in their axial position, for example, by means of clamping screws, with this axial position determining the distances between the seats, including, for example, the distances between two seats. Naturally, in an arrangement of two rings with counter-stops, the rotor stops are designed and arranged such that they are effective on both sides of the rotor in the axial direction and, in particular, project beyond it.

[0011] Preferably, each seat is assigned two swivel joints spaced apart from each other. This ensures increased stability of the mounting, which may be particularly necessary when the seating device is used in public spaces.

[0012] Advantageously, the stops are designed as pins and the counter-stops as arc-shaped slots. The counter-stops can be attached directly to the connecting element or assigned to a component attached to the connecting element. Naturally, the pins and the slots are located on a diameter concentric with the connecting element.

[0013] To fix the surfaces in a specific orientation, removable, arc-shaped fixing elements can be inserted into the elongated holes. These elements rest against one end of the elongated hole and against the pin at the other. Alternatively, the rotor and stator have corresponding bores for receiving fixing bolts. These fixing bolts, which are equipped with a head on one side and a thread on the other, or with transverse bores on both sides for cotter pins, lock the swivel joint in place once inserted into the corresponding bores, thus fixing the surfaces of the seat assembly in one orientation and position or another.

[0014] To increase the comfort of the seating device for a user, at least one armrest is arranged on the connecting element. The armrest can, for example, have a circular segment-shaped recess at one end, to which a flange with a flattened recess is associated. The flange ensures the clamping attachment of the armrest to the connecting element. A strut extends from the end with the recess, terminating in an armrest support. On the side of the armrest support facing the recess, there is a hook, for example, for hanging a bag. Alternatively, the armrest can be designed such that two struts extend from the end with the recess in a V-shape, each terminating in an armrest support, so that the free ends of the armrest supports point in opposite directions.This allows the armrest to be used in any of the seat's possible swivel directions. Alternatively, each seat can be fitted with two armrests on each side, with their armrests facing in opposite directions.

[0015] Preferably, the surfaces are formed by a metal frame fitted with slats or a one-piece plastic shell. The metal frame can be made of shaped strip steel, each section provided with holes and positioned on the wheel side. To attach the swivel joint, the lateral sections holding the slats can be connected to each other, for example, via a crossbar, the crossbar being connected directly or via a mounting bracket to the swivel joint. Such a crossbar for attaching the swivel joint can also be arranged on the underside of a one-piece plastic shell to ensure stable mounting.

[0016] In a further embodiment, the connecting element carries several swivel joints with associated seats that serve as backrests and / or seating surfaces. This creates a type of bench with individual seating orientations that can be adjusted within the swivel range. Users can, for example, alternately face one direction or the other, or two or more seats can be aligned in the same direction so that their surfaces are parallel to each other.

[0017] It is understood that the features mentioned above and those to be explained below can be used not only in the combinations specified, but also in other combinations. The scope of the invention is defined solely by the claims.

[0018] The invention will be explained in more detail below using exemplary embodiments with reference to the associated drawing.

[0019] It shows: Fig. 1 a side view of a seating device according to the invention, Fig. 2 a perspective view of the seating device according to Fig. 1, Fig. 3 a second perspective view of the seating device according to Fig. 1, Fig. 4 a side view of the representation according to Fig. 3, Fig. 5 a front view of the seat device Fig. 1 in a third representation, Fig. 6 a perspective partial view of the seating device according to Fig. 5, Fig. 7 a side view of the seat device Fig. 6, Fig. 8 an enlarged representation of detail VIII according to Fig. 7, Fig. 9 a partial representation of the seat device according to Fig. 1, Fig. 10 an enlarged representation of detail X according to Fig. 9, Fig. 11 an enlarged exploded view of detail XI according to Fig. 8, Fig. 12 a representation of a support leg of the seating device according to Fig. 1, Fig. 13 a representation of an armrest of the seating device according to Fig. 1 and Fig. 14 a representation of an alternative armrest of the seating device according to Fig. 1.

[0020] The seat device 1 according to the Fig. 1, Fig. 2, Fig. 3, Fig. 4 to Fig. Each of the 5 seats comprises three seats 5, which are individually pivotable, whereby it is obvious that more or fewer seats 5 can also be arranged, which can also be mounted in groups of adjacent seats 5 or pivotable together. After Fig. 1 and Fig. 2. The seats 5 face in the same direction, and the armrests 4 arranged between the seats 5 are also uniformly oriented such that their armrests 6 face in the same direction. According to the Fig. 3 and Fig. The seats 5 are pivoted in different directions, with the two outer seats 5 facing in the same direction and the middle seat 5 facing in the opposite direction. The armrests 4 assigned to the seats 5 are mounted in such a way that their armrests 6 define the outer edges of the respective outer seats 5 and the middle seat 5 on both sides. This is particularly evident from the illustration according to... Fig. As shown in Figure 4, it is also possible to provide an armrest 4 with two arm supports 6 pointing in opposite directions, which can be used by seats 5 in both swivel positions. Fig. Seats 5 are swivelled into position 5.

[0021] The seating device 1 comprises lateral foot frames or legs 2, which can be designed as desired and are connected to each other via a D-shaped connecting element 3. Each leg 2 comprises, according to Fig. 12 Two legs 7 aligned at an acute angle to each other, from which two mutually aligned foot sections 8 extend at one end, which may have fastening holes 9. At the end opposite the foot sections 8, the legs 7 open into a receiving recess 10 with a flattened area 11, into which the connecting element 3 can be inserted with its flattened side and fixed with a fastening clamp 12, which can be fastened to the legs 7 with screws.

[0022] Seats 5 are arranged on the connecting element 3 via two spaced-apart pivot joints 13, each seat 5 comprising two mutually angled surfaces 14, which can also be referred to as seat legs, serving as a backrest or seat surface depending on the pivot position of the seat 5. Handles 31, which can be designed as bars or recesses, are provided for pivoting the seats 5. The surfaces 14 of the seat 5 are connected via underside crossbeams 15 to a rotor 16 of a pivot joint 13, which is mounted between two rings 18 serving as stators 17.

[0023] The rotor 16 of the swivel joint 13 can be fitted with a bearing bushing or coated with a bearing material and is pivotably or rotatably arranged on the connecting element 3. To limit the swivel movement, two stops 20 designed as pins 19 are provided on the rotor 16, which interact with counter-stops 21 on the stator side so that the seat 5 can be swivelled about 90° about the connecting element 3, so that in one swivel position one of the surfaces 14 forms the seat surface and in the other swivel position the backrest.

[0024] The counter stops 21 are designed as arc-shaped elongated holes 22 in the rings 18 of the stator 17, each ring 18 having a D-shaped recess adapted to the D-shaped cross-section of the connecting element 3 and being clamped to the rod-shaped connecting element 3 by means of radially inserted threaded pins 24.

[0025] To fix the seats 5 in a specific position, corresponding fixing elements 25 can be inserted into the elongated holes 22, wherein in Fig. 11 Two fixing elements 25 are shown, which hold the seat 5 in an unusable central position according to the Fig. 5 or Fig. 6. It is evident to a person skilled in the art that, for example, a fixing element 25 of appropriately adjusted length secures the seat 5 in a position within the Fig. 1, Fig. 2, Fig. 3 to Fig. The position shown in Figure 4 can be fixed, since the pins 19 of the rotor 16, which extend into the elongated holes 22 on both sides of the stator 17, cannot then move. Furthermore, a bushing 32, for example made of a sliding bearing material or as a damping element or the like, is provided, particularly for the rotor 16 of the swivel bearing 13.

[0026] The armrest 4 can be adjusted to Fig. For example, the armrest 4 has a circular segment-shaped recess 26 at one end, to which a flange 27 with a flattened recess 28 is associated, the flange 27 ensuring the clamping attachment of the armrest 4 to the connecting element 3. A strut 29 extends from the end having the recess 26 and terminates in the arm support 6. On the side of the arm support 6 of the armrest 4 facing the recess 26, there is a hook 30, for example, for hanging a bag. The armrest 4 can, for example, alternatively be attached according to Fig. 14 shall be designed such that two struts 29 extend in a quasi-V-shape from the end having the recess 26, each leading into an armrest 6, so that the free ends of the armrests 6 point in opposite directions. This makes the armrest 4 usable in any of the possible swivel directions of the seat 5. Reference sign 1 Seating device 2-leg support 3 Connecting element 4 Armrest 5 seats 6 Armrest 7 thighs 8 Foot section 9 mounting holes 10. Admission exemption 11 Flattening 12 Mounting clamp 13 Swivel joint 14 Area 15 traverse 16 Rotor 17 Stator 18 rings 19 pens 20 attacks 21 Counterattack 22 Slotted hole 23 Exclusion 24 threaded pin 25 fixing element 26 recess 27 flange 28 recess 29 Strut 30 hooks 31 Handle 32 socket

Claims

Seating device (1) with at least one pivotably mounted seat (5) comprising two surfaces (14) oriented at an angle to each other, which serve as a backrest and / or seat surface, wherein a pivot joint (13) is arranged in a connection area between the surfaces (14), and the pivot joint (13) is coupled to a connecting element (3) extending between support legs (2), wherein the connecting element (3) has a cross-section for the rotationally fixed mounting of a stator (17) of the pivot joint (13) and a rotor (16) of the pivot joint (13) is coupled to the seat (5), characterized in that the connecting element (3) has a D-shaped cross-section for the rotationally fixed mounting of the stator (17) of the pivot joint (13), wherein the rotor (16) of the pivot joint (13) has stops (20) oriented concentrically to the pivot axis,which, in conjunction with the counter-stops (21) of the stator (17), determine two stable pivot positions of the seat (5) and the stator (17) comprises two rings (18) that can be fixed to the connecting element (3), between which the rotor (16) is arranged, wherein the counter-stops (21) are formed in both rings (18). Seating device (1) according to claim 1, characterized in that each seat (5) is assigned two mutually spaced pivot joints (13). Seating device (1) according to claim 1 or 2, characterized in that the stops (20) are designed as pins (19) and the counter-stops (21) are designed as arc-shaped elongated holes (22). Seating device (1) according to one of claims 1 to 3, characterized in that the rotor (16) and the stator (17) have corresponding bores for receiving fixing bolts or fixing elements (25) can be removablely inserted into the elongated holes (22). Seating device (1) according to one of claims 1 to 4, characterized in that at least one armrest (4) is arranged on the connecting element (3). Seating device (1) according to one of claims 1 to 5, characterized in that the surfaces (6) are formed by a metal frame fitted with slats or a one-piece plastic shell. Seating device (1) according to one of claims 1 to 6, characterized in that the connecting element (3) carries several pivot joints (13) with associated seats (5) with surfaces (14) serving as backrests and / or seating surfaces.