CN115702730A - Chair furniture - Google Patents

Abstract

The invention relates to a piece of seating furniture with the possibility of varying the sitting position, comprising at least: a. a seat shell configured to be non-variable in shape for receiving a person, wherein a seat portion extends into a backrest portion; b. a frame of multi-segment construction and receiving the seat shell, wherein the frame comprises at least a foot frame segment and a seat frame segment, and wherein the two frame segments are pivotably coupled together; c. a mounting unit on which the foot frame section and the seat shell are arranged; d. wherein the mounting unit and the seat shell are connected together by a further coupling unit configured to be variable in length. The seating furniture of the invention can be transferred from a sitting position to a particularly comfortable lying or relaxing position and vice versa.

Description

Chair furniture

Technical Field

The present invention relates to seating furniture which allows a person seated therein to sit in a particularly relaxed manner.

Background

Seating furniture, which is often used in living quarters, can be converted into a position which is very suitable for lying or relaxing. In conventional seating furniture (e.g., a sofa), the foot supports move apart for converting the sitting position to the lying position so that the feet can be raised in a relaxed manner. The foot supports in these models are typically hinged to the seating surface using a scissor frame.

When transitioning from a seating position with an upright back rest and retracted foot support to a recumbent position, the back rest tilts rearward relative to the seating surface and the foot support is moved out through the scissor frame. Thus, a lying position is formed. For this reason, a considerable amount of space is required to be able to completely remove the rearwardly tilted backrest.

Disclosure of Invention

Target

It is an object of the invention to provide seating furniture having a space-saving and particularly comfortable construction.

Solution scheme

This object is achieved according to claim 1.

The core idea of the invention is a piece of seating furniture which can be transferred from a sitting position into a particularly comfortable lying or relaxing position and vice versa. To this end, the seating furniture comprises at least a seat housing, a frame and a mounting unit; the seat shell is designed to be unchangeable in shape and is used for receiving a person, wherein the seat part is transited into the backrest part; the frame is of multi-segment construction and receives a seat shell, wherein the frame has at least a foot-frame segment and a seat-frame segment, and wherein the two frame segments are pivotably coupled together; the foot frame section and the seat housing are arranged on the mounting unit, wherein the mounting unit and the seat housing are connected together by a further coupling unit which is configured to be variable in length.

Advantageously, a particularly comfortable piece of seating furniture is formed. It has proven to be particularly advantageous if the foot frame section is configured so as to be pivotable relative to the seat frame section about at least one axis of rotation.

Furthermore, it is advantageous if the mounting unit and the seat housing are connected together by a coupling unit which is designed to be variable in length. The coupling unit connects the mounting unit with the seat housing. If the length of the coupling unit is changed (e.g., by shortening its length), the seat shell is lowered relative to the original position. Advantageously, the seat housing is connected with the mounting unit and also with the seat frame section. Further, the foot frame section and the seat frame section are configured to be pivotably coupled together. By the further articulation of the foot-frame section with respect to the mounting unit, its pivoting capability with respect to the seat-frame section is achieved.

If the coupling unit is reduced in its length, and thus shortened, the initial result is a lowering of the seat shell. This reduction may advantageously occur in a circular path. As a result of the lowering of the seat shell, the foot frame section is subjected to a pulling force from the seat shell. The magnitude of this pulling action is sufficient to pivot the foot frame sections away from their original folded position. By changing the length of the coupling unit, the piece of seating furniture can be transferred from a basic position (which can be referred to as sitting position) into a relaxed position.

This change in position is obviously designed to be reversible, so that it can also be restored to the sitting position at any time. This occurs, for example, by the length of the coupling unit increasing again. As a result, the seat shell is raised again and the foot-frame segments experience a pressure load. By means of this pressure load, the foot-frame sections are pivoted back again from the unfolded, relaxed position into the original basic position.

It is particularly advantageous if the upholstered foot frame sections of the piece of seating furniture form the foot support.

In the case of the seating furniture described herein, the foot supports (and thus the foot frame sections) are not directly connected to the seat portion and/or the seating surface. The seating furniture described herein has the following features: the foot frame section is arranged to couple the seat frame section. The seat frame sections at least partially form an armrest for the piece of seating furniture. The foot frame sections are thus arranged to be pivotably mounted at respective armrests of the piece of seating furniture.

In the case of the seating furniture described herein, the seat shell is of rigid construction. This means that the seat part and the backrest part are arranged at a fixed angle in the range of 100 ° to 120 °, particularly advantageously 110 °. The angle is invariable. The backrest cannot pivot relative to the seat part. Furthermore, the position of the seat part relative to the backrest is not changeable. It is only possible to change the position of the entire seat shell. This is advantageously done by changing the length of the coupling unit.

Further advantageous forms of embodiment are apparent from the dependent claims.

In another advantageous form of embodiment, the coupling unit can be designed to change its length hydraulically, pneumatically or by compressed air. Obviously, this should not be understood as limiting, so that it is also conceivable to vary the length of the coupling unit, for example by means of a spindle drive. It has proven to be particularly advantageous if the coupling unit is controlled by a motor. Thus, a user sitting on the piece of seating furniture simply changes the sitting position in a desired manner by pushing the button. This may be performed, for example, by a cable link. Thus, the coupling unit may comprise at least one drive means, advantageously a motor.

In another possible form of embodiment, it is envisaged that the control of the coupling unit, which may comprise drive means, for example a motor, can be controlled by means of a connection without a cable, for example by means of an application software (App).

In another possible form of embodiment, the coupling unit may comprise at least one variable-length element. The coupling unit can be designed, for example, as a hydraulic spring, a pneumatic spring, a gas pressure spring or a compression air spring. The springs mentioned herein are also advantageously designed to be variable in length by a drive means, such as a motor. Advantageously, at least one variable-length element connects the mounting unit with the seat housing. The variable-length element is advantageously part of the coupling unit.

By changing the length of the length-variable element of the coupling unit, the position of the seat shell can advantageously be changed. Advantageously, the seat shell and the seat point can be displaced backwards and downwards by a reduction in length. This displacement may advantageously occur along a segment of a circular path.

It is particularly advantageous that the folded foot frame sections, by means of this reduction in length and the rearward and downward displacement due to the accompanying tilting of the seat shell, will at the same time be pivoted upwards out of the sitting position. To this end, the foot frame section and the seat frame section are pivotably connected together. This is advantageously formed by means of two rotary joints having a common axis of rotation.

At the same time, the foot frame sections are hinged to the mounting unit. This hinge is also of load-bearing type construction. The seat frame section is pivotably mounted to the foot frame section by an axis of rotation, the tensile load being transmitted by a change in length of the variable-length element, causing the foot frame section to deflect upwardly.

In order that the foot-frame section is stable in the unfolded state and does not sway when it supports the legs, it is additionally arranged at two corner elements of the mounting unit. This arrangement is also mounted by means of another axis of rotation. The first rotation axis is also displaced by a change in position of the seat shell.

Furthermore, in an advantageous form of embodiment, the mounting unit comprises at least one base from which two angular elements extend. In this regard, the base forms a base that stabilizes the seating furniture.

In a further advantageous form of embodiment, the mounting region on which the seat frame section and/or the seat shell can be arranged is provided on the mutually opposite inner surfaces of the two angle elements. Advantageously, this is achieved by means of at least two mounting regions. Thus, an extremely high level of stability is achieved.

The two mounting areas are formed so as to be significantly offset with respect to the base of the mounting unit and are thus arranged at a distance therefrom. The base itself is constructed short and compact in its vertical extent. Thus, a particularly high level of stability and force dissipation can be ensured. Two angular elements (which are advantageously configured with mirror symmetry with respect to each other) extend from the base.

In another advantageous form of embodiment, the two angular elements are configured to extend upwards at least partially curved and/or twisted. In particular, by such a partial bending and/or twisting, a particularly high degree of stability of the overall seating furniture is ensured.

From the base, two horn-like elements extend upwardly at a first inclination to run spaced apart from one another. The lower section of the respective angular element is formed by this first inclination. Advantageously, two mounting regions, to which the seat shell and/or the seat frame section is/are fixed, are provided at the lower section. In the simplest case, the fastening is effected by means of a screw connection. Advantageously, the seat shell and/or the seat frame section is configured to be fixed in position relative to the mounting unit.

In a further stroke of the respective angle element, the upper section is connected to the lower section. The upper section has a significantly greater degree of inclination than the lower section, which, in contrast, has a rather flat configuration. The configuration of the upper and lower sections of the independent angular element contributes to the stabilization of the two use positions and significantly improves the force dissipation compared to a straight form of mounting. In particular, the angular form (base shape on the corners of bovines of the animal kingdom) gives the seating furniture a certain stability and strength, even in the relaxed position. Furthermore, it is possible to change between the two positions in a particularly space-saving manner.

It has proved to be particularly advantageous for standing stability if the upper and lower sections at their transition comprise an angle in the range of 110 ° to 160 °, preferably in the range of 135 ° to 145 °, and particularly advantageously 140 °. The lower section is then substantially flat and stable. The upper section, on the other hand, is configured sufficiently steep so that pivoting of the foot frame section relative to the upper section can be carried out in a particularly easy manner of movement and with a low degree of force loading.

For example, if the structure of the upper section in an excessively flat configuration is too flat and includes, for example, an angle of more than 160 ° with the lower section, then to transition the sitting position to the relaxed position, a significantly higher level of force load would have to be applied to the foot frame section and pivot axis to pivot the foot frame section upward. This can lead to material fatigue and functional failure. Furthermore, the comfortable sitting position in material fatigue and malfunction conditions will be affected, as the foot frame sections will be arranged to be significantly too low for a relaxed sitting position. Thus, the legs of a person sitting in the piece of seating furniture will bend in an uncomfortable manner.

If the upper section is configured too steeply, for example comprising an angle of less than 110 ° to the lower section, the foot-frame section will pivot significantly higher, so that a relaxed position will likewise result in significant discomfort when the legs are arranged too high.

In the case of the angle ranges described here, this is of course not the case, so that a particularly comfortable relaxed position can be adopted. In this connection, it has also proven advantageous in connection with the stability of the piece of seating furniture in the relaxed position, in which the seat part is positioned parallel to the lower section of the respective angled element. This results in a compact arrangement which is also configured to be particularly stable with respect to standing.

In another advantageous form of embodiment, each of the corner elements may have at least one further mounting area towards the free end of the corner element, on which further mounting area the foot-frame section may be arranged. Advantageously, a total of two mounting areas are provided. This means that each free end of the respective angle element has a mounting area on which a foot-frame section can be arranged.

It has proven to be particularly advantageous if the two additional mounting regions are arranged towards and/or at the free end of the angle element. Pivoting of the foot frame sections can thus be performed considerably quickly and conveniently.

In another advantageous form of embodiment, the foot-frame section is arranged to be pivotably mounted at the corner element, advantageously at its mounting area. Advantageously, the common axis of rotation about which the foot-frame sections are pivotable in their position is formed by the articulation of the foot-frame sections to the two additional mounting areas.

In a further advantageous form of embodiment, the coupling unit can vary the seat height and/or the seat position of the seat housing depending on its length.

Furthermore, the invention relates to a method for changing the position of a piece of seating furniture, comprising at least the following steps:

a. performing a length change of the coupling unit;

b. lowering the seat shell rearwardly and downwardly;

c. applying a force load to the foot frame section; and

d. the rotation axes of the foot-frame section and the seat-frame section are displaced and the foot-frame section is pivoted about the rotation axes.

It has proven advantageous for the position of the piece of seating furniture to be changed, so that when switching from the sitting position into the relaxed position (obviously vice versa), a relaxed position is produced which is particularly comfortable for the user, in which the seat part of the seat housing in the relaxed position is oriented parallel to the lower section of the angled element. By this parallel arrangement, in combination with the coupling unit being shortened in length, a particularly stable relaxed position is created. Therefore, the seating furniture is unlikely to tip over.

Furthermore, it is advantageous if the mounting unit and the seat housing are connected together by a coupling unit which is configured to be variable in length. The coupling unit connects the mounting unit with the seat housing. If the length of the coupling unit (advantageously, the length-variable element) is changed (for example, by shortening the length), the seat shell is lowered relative to the original position.

Advantageously, the seat shell is connected with the mounting unit and also with the seat frame sections. By shortening the coupling unit and the length and the resulting lowering of the seat shell, the foot frame section is subjected to tensile loads. The magnitude of this tensile load is sufficient to pivot the foot frame sections away from their original folded positions.

By changing the length of the coupling unit, the piece of seating furniture can be transferred from a basic position (which may be referred to as a sitting position) into a relaxed position. This change in position is obviously designed to be reversible, so that the sitting position can also be re-assumed at any time. This is then performed, for example, by a coupling unit which increases its length again. As a result, the seat shell is lifted again and the foot-frame sections experience a pressure load. The foot-frame sections are pivoted back again by this pressure load from the deployment-mode position into the original basic position, which can also be referred to as the sitting position. At the same time, the axes of rotation of the foot-frame section and the seat-frame section are also displaced back again.

In addition, the invention relates to the use of seating furniture, with at least the following steps:

a. a person is seated in a seating position in the seating furniture;

b. actuating the coupling unit for changing the seating position, for example by means of a motor;

c. lowering the seat shell obliquely backward and downward by shortening the coupling unit;

d. a foot frame section pivotally mounted to the seat frame section and mounted for pivoting relative to the respective angled element while pivoting upwardly away from the seating position; and

e. a relaxed position is employed in which the foot frame sections move outward and the seat point sinks down while maintaining the seat shell shape.

The lowered seat point also contributes to the stability of the seating furniture in the relaxed position.

It has proven to be particularly advantageous if the piece of seating furniture described herein (which can also be moved into a comfortable lying position, which can also be referred to as a relaxed position) is configured as upholstered furniture, advantageously as an armchair.

In another advantageous form of embodiment, the head frame section can additionally be arranged at the seat frame section. It has proven to be particularly advantageous if the head frame section is constructed independently of the seat frame section. Advantageously, this is to be understood to mean that the head frame section can be set in its inclination by a user, for example by means of a detent mechanism or other joint mechanism.

It is particularly advantageous if the head frame section is configured to be detached from the seat frame section. This means that the position of the head frame section does not change due to the change of position of the seat part and the seat frame section.

In a further advantageous form of embodiment, the seat frame section can at least partially form an armrest for the piece of seating furniture. For a particularly comfortable sitting position, the seat frame section is advantageously configured to be at least partially curved, advantageously doubly curved. Thus, the seat frame sections can provide not only an armrest function but also a support function in the shoulder region.

In a further advantageous form of embodiment, the seat frame section can have at least one additional guide element on each side, which is arranged relative to the seat frame section by means of a plurality of spacing elements.

To further increase the seat comfort (even in the relaxed position), it is conceivable that the spacing element is of a curved design. The respective guide element arranged there is thus raised vertically relative to the seat frame section. This exemplary embodiment is advantageous for the embodiment of the piece of seating furniture (as upholstered furniture) since a particularly wide armrest function can be ensured, while at the same time a support function in the shoulder region is also ensured.

The double bending of the seat frame sections from the armrest to the backrest part has also proved to be advantageous for the relaxed position. Thus, in the relaxed position, the elbow may be at a low point after the first bend, whereby a relaxed posture may be adopted.

Other advantages, features and possibilities of embodiments will be apparent from the following description of embodiments in connection with the figures of the drawing, which are not to be construed as limiting.

Brief Description of Drawings

In the drawings:

figure 1 shows a side view of a seating furniture in a sitting position;

figure 2 shows a front view of the seating furniture in the seating position of figure 1;

FIG. 3 shows an isometric view of the seating furniture in the seating position of FIG. 1;

figure 4 shows a side view of the seating furniture in a relaxed position;

FIG. 5 shows a front view of the seating furniture of FIG. 4 in a relaxed position;

FIG. 6 illustrates an isometric view of the seating furniture of FIG. 4 in a relaxed position;

fig. 7 shows a side view of the mounting unit;

FIG. 8 shows a front view of the mounting unit of FIG. 7;

FIG. 9 shows a first isometric view of the mounting unit of FIG. 7; and

fig. 10 illustrates another isometric view of the mounting unit of fig. 7.

Detailed Description

In the drawings, elements provided with the same reference numerals substantially correspond to each other as long as not indicated to the contrary. Moreover, the illustration and description of components not helpful to understanding the teachings of the technology disclosed herein are omitted. In addition, the reference numerals are not repeated for all the elements described and shown, as long as the elements themselves and their functions are described or known to the expert.

The illustration shows only the components. The seating furniture described herein is configured as upholstered furniture, in particular as armchairs, the illustration of the upholstered being omitted for clarity.

Fig. 1 shows a side view of a piece of seating furniture 1 in a sitting position, which can also be referred to as the basic position.

The piece of seating furniture 1 comprises a seat frame section 2 and a foot frame section 4, the foot frame section 4 being pivotably mounted on the seat frame section 2. The two sections advantageously form a frame. In this embodiment, a head frame section 6 is additionally present. However, the head frame section 6 is optional and may be omitted.

Furthermore, the piece of seating furniture 1 shown here comprises a seat shell 8. The seat shell 8 further comprises a seat portion 10 and a backrest portion 12. As shown in fig. 1, the seat portion 10 and the backrest portion 12 are fixedly connected together. An individually settable inclination of backrest part 12 relative to seat part 10 (as in known armchairs) is not at all possible with the piece of seating furniture 1 described here. It has proved to be particularly advantageous for the angle α between the seat part 10 and the backrest part 12 to be included in the range from 100 ° to 120 ° (particularly advantageously 110 °). The angle α is invariable.

Furthermore, the seating furniture 1 comprises a mounting unit 14. The mounting unit 14 is here mounted and stabilized by means of, for example, a base 16.

Furthermore, the seating furniture 1 comprises a coupling unit 18. The coupling unit 18 connects the mounting unit 14 and the seat shell 8 together.

Furthermore, the coupling unit 18 advantageously comprises at least one variable-length element 19, the variable-length element 19 being configured such that its length L is variable in the direction of the arrow. The spacing between the seat housing 8 and the mounting unit 14 can be shortened or suitably lengthened by changing the length L.

Further, the mounting unit 14 may have a plurality of mounting areas 20,22. Advantageously, a first mounting area 20 is formed at the mounting unit 14 for the mounting of the seat shell 8. In a simple form of embodiment, it is further advantageous that the seat part 10 is rotatably connected with the mounting unit 14. Mobility is necessary, since the seat shell 8 is also tilted by the switching of the piece of seating furniture 1 into the relaxed position. To provide compensation for such tilting, it is necessary that the seat shell is arranged to be pivotally mounted on the mounting unit 14.

The foot-frame section 4 is similarly arranged to be coupled to the mounting unit 14 by means of a further mounting region 22. The foot-frame section 4 is also pivotable relative to the mounting unit 14 by means of a rotational axis (not shown).

Finally, fig. 1 also shows that the seat frame section 2 and the foot frame section 4 are configured to be connected together. Thus, in the case of the piece of seating furniture 1 shown here, a hinge connection of the foot frame section 4 to the seat frame section 2 (which is at least partially designed as an armrest) is formed. Furthermore, a visual lightness is thus obtained.

The foot frame sections 4 are not hinged to the seating surface as in a normal armchair.

A front view (and thus also in the sitting position) of the seating furniture 1 of fig. 1 is shown in fig. 2. In this view, it can be seen that the mounting unit 14 carries and stabilizes the entire seating furniture 1, with the exception of the coupling unit 18. For this purpose, both the foot frame section 4 and the seat shell 8 are arranged on the mounting unit 14 by means of the seat part 10. The arrangement of the foot frame section 4 and the seat portion 10 is advantageously of load-bearing type construction.

This means that, advantageously, the seat part 10 and/or the foot frame part 4 can in each case be arranged to pivot about an axis of rotation (not shown) relative to the mounting unit 14. To form the respective axes of rotation (not shown), the foot frame section 4 and the seat part 10 are connected to the mounting unit 14, more precisely to the two angled elements 24, by means of two mounting regions 20,22, respectively.

Advantageously, the first mounting region 20 is arranged on mutually opposite inner surfaces 54 of the corner element 24.

The foot frame section 4 is mounted so as to be pivotable about a rotational axis R1 relative to the seat frame section 2. Thus, for example, from the seating position shown here, the downwardly folded foot-frame sections 4 can be pivoted away from this position about the axis of rotation R1.

Furthermore, two guide elements 26 may optionally be provided. The two guide elements 26 are fixedly connected to the seat frame section 2 by means of a plurality of spacer elements 28. The guide elements 26 and the spacer elements 28 serve in the case of the upholstered seating furniture 1 shown here to additionally provide a comfortable support surface for the arms and shoulders.

The seat frame section 2 and the guide element 26 (which may optionally be provided) as well as the spacing element 28 thus form an armrest and also a backrest of the piece of seating furniture 1. The two guide elements 26 are constructed with mirror symmetry relative to one another. They have a curved path. This facilitates a particularly comfortable placing of the arms and a particularly comfortable resting of the piece of seating furniture 1.

An isometric view of the seating furniture 1 of figure 1 is illustrated in figure 3. As a supplement to the previous explanation, a further axis of rotation R2 is shown in fig. 3, the axis of rotation R2 extending through the two free ends of the angular element 24. The foot-frame section 4 is also mounted pivotable about this second axis of rotation R2. Upon switching of the folded foot-frame section 4 into the relaxed position, it pivots about two axes of rotation R1 and R2.

Furthermore, a head frame section 6 is shown, the position of which can be changed by means of the joint connection 34.

In this embodiment, the coupling unit 18 comprises, in addition to the length-variable element 19, a drive device 30. The drive device 30 can be designed, for example, as a motor.

Fig. 4 now shows the arrangement of the piece of seating furniture 1 in the relaxed position. The foot frame section 4 is moved out so that the user can rest the legs comfortably.

The length-variable element 19 is configured such that its length L is shortened. Due to the shortening, the seat shell 8 is simultaneously deflected away from the original seating position and moves rearward and downward. It has proven advantageous for the particularly comfortable rest position and at the same time also for a high degree of stability of the piece of seating furniture 1 in the rest position to shorten the length-variable element 19 to such an extent that: the seat portion 10 is arranged parallel to the lower section 36 on its stroke.

For this purpose, the seat housing 8 is pivoted away from the sitting position. This pivoting advantageously takes place about the mounting region 20.

At the same time, the position of the seat frame section 2 also changes as a result of the lowering of the seat shell 8, so that the foot frame section 4, which joins the seat frame section 2, is subjected to a tensile force in the joining region. The axis of rotation R1 is likewise displaced obliquely back and down away from its original position. As a result of this, the foot frame 4 (which at the same time is pivotably attached to the free end 40 of the corner element 24) also pivots about this axis of rotation, which is not shown here.

The foot-frame section 4 is pivoted upwards by means of the mounting region 22, which mounting region 22 can be configured as a load carrier and thus also adopts the relaxed position.

This change in position is obviously also reversible, so that the sitting position can be assumed again at any time and the foot-frame sections 4 converted into the folded-up state again, if desired.

A front view of the seating furniture 1 in the relaxed position of fig. 4 is shown in fig. 5.

Here, two axes of rotation R1 and R2 are shown, by which the foot-frame section 4 is configured to be pivotable.

Furthermore, a third axis of rotation R3 is also shown, about which the seat shell 8 can pivot until the seat portion 10 is arranged parallel to the lower section 36 of the respective angle element 24.

Finally, a mounting region 20 is also shown, in which mounting region 20 the articulation of the seat shell 8 is arranged. For this purpose, the mounting region 20 is configured as a projection of the mounting unit 14. The projection may be constructed integrally with the mounting unit 14.

This is obviously not to be understood as limiting, so that it is also conceivable for the carrier plate to be arranged as a projection at the mounting unit 14.

The U-shaped support system 46 is advantageously arranged to be pivotably mounted at these projections. The U-shaped support system 46 is fixedly connected by its base to a cross member 48 of the seat shell 8.

Further, it is shown that the mounting unit 14 may include a compact base 28. The base 28 may be arranged at the base 16, for example, rotatably.

In addition, the base 28 has an open area 44 on its top vertical path, with the base 28 diverging at the open area 44. The separation is carried out in such a way that: two angled elements 24 are thus formed.

Figure 6 shows an isometric view of the seating furniture 1 in the relaxed position of figure 4. It is very clear here that the foot frame section 4 is rotatably attached to the free end 40 of the angled element 24, and that an adjustable coupling is also formed between the foot frame section 4 and the seat frame section 2. Advantageously, the board carrier 32 can be arranged to improve the force transmission between the seat frame section 2 and the foot frame section 4. Advantageously, at the same time, the respective guide element 26 may also be arranged to connect the plate support 32.

Advantageously, the seat housing 8 connects the seat frame sections 2 in the upper backrest region. It has proven to be particularly advantageous if the connection 51 is of rigid construction. Furthermore, fittings 50 for connecting the seat frame section 2 and the head frame section 6 can be provided.

Fig. 7 to 10 described below show different views of the mounting unit 14.

A side view of the mounting unit 14 is illustrated in fig. 7. By way of example, a base 16 is provided herein. The base 42 is arranged to be rotatably mounted on the base 16. This is advantageous because the seating furniture (not shown) can thus be rotated in various directions.

The base 42 is of compact construction. In the case of the side view shown here, the angle-forming element 24 extends obliquely upwards from the base 42. The base transitions over its travel to the lower section 36. The lower section 36 is of a substantially flat, sloped configuration.

In another stroke, the lower section 36 transitions to the upper section 38. This is achieved by forming the different bends. Advantageously, the upper section 38 and the lower section 36 include an angle β therebetween, which is in the range 110 ° to 160 °, more advantageously in the range 135 ° to 145 °, and particularly advantageously 140 °. With said angle β and its range, a particularly stable relaxed position has been achieved.

Fig. 8 shows a front view of the mounting unit 14. The angular travel S of the angular element 24 is shown here. The base 42 has an open area 44 in an upward vertical direction. The base 42 is here spaced apart and extends to the horn element 24.

The mounting region 20 is provided at the inner surface 54 of the two lower sections 36. Here, in this embodiment, the projection 52 is shown.

In each case, an angular stroke S extends in the direction of the arrow between the two free ends 40. It will be apparent that each horn element 24 is formed to narrow towards its free end 40. Advantageously, the mutually opposed inner surfaces 54 are of flat configuration, while the outwardly directed outer surfaces 56 themselves are formed curved.

Fig. 9 and 10 show two isometric views of the mounting unit 14. The saddle-shaped design of the base 42 is shown in fig. 9. In particular, fig. 10 additionally shows two rotational axes R2 and R3.

The base 16 may also advantageously be part of the mounting unit 14.

While the invention has been shown and described in greater detail with respect to advantageous embodiments, the invention is not limited to the disclosed examples. From which the expert can deduce other variants without departing from the scope of protection of the invention. In particular, the invention is not limited to the combinations of features indicated below, but other obvious possible combinations or partial combinations are also possible for the expert from the disclosed features.

Reference numerals

1. Chair furniture

2. Seat frame section

4. Foot frame section

6. Head frame segment

8. Seat shell

10. Seat part

12. Backrest part

14. Mounting unit

16. Base seat

18. Coupling unit

19. Length-variable element

20. Mounting area

22. Mounting area

24. Angular element

26. Guide element

28. Spacer element

30. Drive device

32. Board carrier

34. Hinge joint

36. Lower section

38. Upper section

40. Free end

42. Base seat

44. Open area

46 U-shaped supporting system

48. Cross member

50. Accessory

51. Connecting part

52. Projection part

54. Internal surface

56. Exterior surface

Angle between alpha seat part and back part

Beta angle between upper and lower sections

R1 first axis of rotation

R2 another axis of rotation

R3 another axis of rotation

Length of L

S-horn shaped stroke

Claims (10)

1. Seating furniture (1) with the possibility of varying the sitting position, the seating furniture (1) comprising at least:

a. a seat shell (8), the seat shell (8) being configured in such a way that its shape is unchangeable for receiving a person, wherein a seat part (10) extends into a backrest part (12);

b. a frame which is of multi-segment construction and receives the seat shell (8), wherein the frame comprises at least a foot-frame segment (4) and a seat-frame segment (2), and wherein the two frame segments (2, 4) are pivotably coupled together;

c. a mounting unit (14), on which mounting unit (14) the foot frame section (4) and the seat shell (8) are arranged;

d. wherein the mounting unit (14) and the seat housing (8) are connected together by a further coupling unit (8), the coupling unit (8) being configured to be variable in length.

2. Seating furniture (1) according to claim 1, characterized in that the coupling element (18) comprises at least one variable length element (19).

3. Seating furniture according to claim 1, characterized in that the mounting unit (4) comprises at least one base (42), from which base (42) two angular elements (24) extend.

4. Seating furniture according to claim 3, characterized in that the two angular elements (24) are configured to extend upwards, at least partially bend and/or twist.

5. Seating furniture according to claim 3 or 4, characterized in that mounting areas (20) for arranging the seat frame sections (2) and/or the seat shell (8) are provided at mutually opposite inner surfaces (54) of the two corner elements (24).

6. Seating furniture according to claim 3 or 4, characterized in that each of the corner elements (24) has at least one further mounting area (22), towards the free end (40) of the corner element (24), at which at least one further mounting area (22) the foot frame section (4) is arranged.

7. Seating furniture according to claim 6, characterized in that the foot frame section (4) is arranged to be pivotably mounted on a corner element (24).

8. Method for changing the position of a piece of seating furniture (1) according to any of the preceding claims, comprising at least the following steps:

a. performing a length change of the coupling unit (18);

b. lowering the seat shell (8) obliquely backwards and downwards;

c. applying a force load to the foot frame section (4); and

d. the rotation axes (R1) of the foot-frame section (4) and the seat-frame section (2) are displaced and the foot-frame section (4) is pivoted about said rotation axes (R1).

9. Use of seating furniture according to claim 1, comprising the following steps:

a. a seating position in which a person is seated on the piece of seating furniture (1);

b. actuating a coupling unit (18) for changing the sitting position, for example by means of a drive;

c. lowering the seat shell (8) obliquely backwards and downwards by shortening the coupling unit (18);

d. a foot frame section (4) which is pivotably mounted to the seat frame section (2) and which is mounted so as to be pivotable relative to the horn element, is arranged so as to be simultaneously pivoted upwards out of the seating position; and

e. a lying position is adopted in which the foot-frame section (4) is moved out and the seat point sinks down, while maintaining the shape of the seat shell.

10. Use of the seating furniture (1) as an armchair.

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