DE102014102618A1 - seating - Google Patents

Abstract

The invention relates to a chair (1), which is simple in construction and can be coupled in a simple manner and preferably stackable, in which it has a seat shell (2) supporting seat frame (3) with seat (21) and backrest (22) on which seat frame (3) via strut portion elements (5) chair legs (31vl, 31vr, 32hl, 32hr) are connected, and wherein the strut portion elements (5) each have a notch (51, 52) which in a complementary formed notch of a other seating furniture interlock positively to realize a mechanically stable coupling.

Description

The invention relates to a chair according to the features of the preamble of claim 1.

From the DE 199 44 503 C1 a chair is known which can be linked to a chair row with identically formed chairs. It has a seat frame with cross struts for holding a seat shell, wherein the cross struts each have a connecting element in the region of the front chair legs. The connecting element is designed so that the cross struts are bent in their Endbreich by 45 ° upwards or downwards. When connecting two chairs to a row of chairs, these fasteners attach to each other, thus securing the connection. At high shear forces, however, there is a risk that this chair row dissolves again.

From the DE 10 2009 024 260 A1 is a dome chair with armrests known, which also has a seat frame and cross-struts interconnected front legs. The cross struts are formed semicircular curved in the area of the front chair leg, this semi-circular curved portion lays when coupling chairs around the front chair leg of the adjacent chair and this partially engages. Since this coupling is not secure enough with correspondingly high transverse forces, this chair also has additional coupling elements in the area of the armrests.

From the US 2011/0084526 A1 is also known a tandem chair having a Sitzgestellt connected via cross struts seat legs. This chair has front chair legs and rear chair legs, which are connected to each other via cross braces. Both in the region of the front legs and in the region of the hind legs, the cross struts have a semicircular curved gripping element in an area near the chair leg, which at least partially surrounds the respectively adjacent chair leg when coupled.

Also from the GB 939,158 is a coupling chair is known, the cross-beam has in its end a semicircular Aufnehmung, which at least partially surrounds the adjacent chair leg when coupling two chairs and thus secures.

It is an object of the present invention to provide a seating that can be connected without additional fasteners with other seating furniture to a seating furniture chain. Preferably, the seating should be detachable with simple grips and be releasable again, and have sufficient security at high shear forces.

This object is achieved by a chair with the features of claim 1.

According to the invention, the seating furniture can be coupled with another seating unit, in which the strut section elements each have a reduced cross-section through a notch or a recess in a connection area arranged between the seat surface and the seat leg and for coupling into a complementarily shaped, in particular complementarily shaped , Notch or recess of a strut element of another chair engage positively. Due to the positive engagement of both notches a particularly stable mechanical connection of the two seats is created. This ensures that even with high transverse forces occurring the coupling of the seating remains and can not be solved. Such lateral forces can occur, for example, in longer rows of seats, when the seats are exceeded transversely or several people try to move across the row of chairs. Even in the case of a panic, it must be ensured that the chairs coupled to a row of seats do not unintentionally come loose.

In one embodiment, it is provided that the notch or recess in the strut section elements in each case runs vertically and positively engages for coupling from above or from below into a complementarily shaped or complementarily shaped notch or recess of a strut section element of another seat. This ensures that the coupling of the seating can be done by simple handles. For example, can be raised for coupling one of the seating and coupled by simple handles with another seat by the chair is guided from top to bottom so that the notches of the left and right seating at the end positively engage with each other.

In order to enable a simple coupling of the seating, it may be provided in one embodiment that the contour of the notch comprises an opening arranged at the top or at the bottom of a strut section element and two vertically extending flanks from the opening and a base connecting these flanks. In particular, the contour of the notch may be formed trapezoidal or U-shaped or C-shaped extending. In particular, it can be provided that the opening has such a clear width, which is greater than the width of the base connecting the flanks. As a result, the flanks do not run exactly parallel to each other, but widening obliquely to the opening. So forms the Notch or recess a kind of funnel and supports in coupling a joining of both strut section elements. In addition, it has been shown that the notch with this contour is easy to manufacture, in particular by punching, milling can be made.

In one embodiment, it may also be provided that the strut portion element has a rectangular cross-section, and is arranged so that its longer side in the vertical direction and its shorter side in the horizontal direction. In particular, the strut portion element may be formed as a plate-shaped element, which is particularly easy to produce inexpensively from a semifinished product.

It can further be provided that the cross section of the strut section element has a ratio of long side to short side of at least 4: 1 or greater.

In order to achieve a mechanically particularly stable coupling, it can be provided in one embodiment that the width of the notch, in particular the width of the base, is matched to the dimension of the short side of the cross section of the strut element. In coupled seating the complementary notches then engage with each other so that in each case a strut portion of the other seat furniture is mounted between the vertically extending flanks of the corresponding notch.

For a simple handle when coupling two seats can be provided in an embodiment that the track section element is angled in the connecting region relative to the seat direction. In particular, it may be angled at an angle in the range of 20 ° to 70 °, wherein preferably an angle of 45 ° is desirable.

The seat direction is the direction in which a person sitting on the chair looks upright when seated in a normal position on the chair. The seating direction is substantially perpendicular to a plane defined by the upright back of the seat. If you look in front view of the seating, so you look along the sitting direction on the then approximately transverse backrest of the chair. If, on the other hand, one looks at the seating furniture in side view, the viewing direction lies approximately parallel to a plane defined by the upright backrest, so that one lies on the narrow side of the backrest.

The angling of the strut section element relative to the seat direction results in a simple mechanical coupling of the two seating furniture to be coupled. If the strut portion element is angled at an angle of 45 ° relative to the seat direction, results in a particularly simple operation and manufacture, since in this case the two coupled strut portion elements include a common angle of 90 °. A rectangular cutout in the strut portion element is thus sufficient to produce a precisely fitting notch.

For a mechanically stable construction of the seat, it can be provided that the seat frame has two strut section elements for connecting two chair legs or one pair of chair legs. Each chair leg is assigned a strut section element. In particular, the seating furniture may have three or more chair legs, preferably four chair legs. Two strut section elements can each be connected to one another via a strut. The strut portion members are respectively in the end region of a strut near the seat legs.

In one embodiment, it may be provided that the strut portion elements are integrally connected to the strut at a first end, in particular welded or glued, in order to create a mechanically secure connection. In an alternative embodiment can also be provided that the strut portion elements are integrally formed at a first end to the strut.

It may further be provided that the strut portion element is connected to its other end facing away from the strut, with a chair leg, in particular is integrally connected, for example by welding or gluing. It may also be provided in an alternative embodiment, that the strut portion member is integrally formed with the seat leg.

In a further embodiment it can be provided that the seat leg is detachably mounted on the strut portion element, for example, that it is supported by screws or detents on the strut portion element.

In a further, alternative embodiment it can be provided that the seat leg is integrally connected or formed in one piece with the strut portion element, and the strut portion element is detachably connected to the cross strut, for example by means of a screw connection.

To realize a simple coupling of the seating, it can be provided that the opening of the arranged in the region of the left front seat leg notch or recess points in an opposite direction than the opening the notch located in the area of the right front ischial bone. It can further be provided that the opening of the notch located in the region of the rear left seat leg points in the opposite direction than the opening of the notch located in the region of the right rear seat leg.

In one embodiment, it may be provided that all openings of the notches arranged on a seat half point in a common direction and all openings of the notches arranged on the other seat half point in the opposite direction. Thus, the openings of a seat half are each formed complementary and complementary to the openings of the opposite seat half. This results in so far as a mirror image arrangement of the opening directions, so that the seating are easily coupled together, in juxtaposed seating the directly adjacent openings of the notches in different directions show, so that the coupling can be done simply by nesting the two seats in which the notches complementary to one another in each case then engage in one another in a form-fitting manner.

In one embodiment it can be provided that in the notch, a fitting element or damping element is used, which in particular is solvable and to be replaced, for example, in the event of wear can. The fitting or damping element may be formed of plastic and act as a damping element, on the one hand to achieve a good fit, and on the other hand to reduce the noise when coupling two chairs together.

In one embodiment it can be provided that the seating is designed as a chair in which the upper end of the seat legs is in the range of the height of the seat, or ends just below the seat. In particular, a chair has no armrest.

Likewise, it can be provided that in one embodiment, the seat is designed as a chair in which the two front seat legs are each extended upward above the seat and above the seat have a horizontally extending portion which can serve as an armrest, or as an armrest is trained.

In an advantageous embodiment it can be provided that the front seat legs of the seat frame are interchangeable, so that by swapping the front seat legs a chair can be converted into a chair or vice versa. This results in a modular design of the chair, wherein using the same seat frame and the same seat either the chair as a chair or the chair can be designed as a chair.

In a comfortable embodiment can be provided that an armrest element with the horizontally extending portion of the front seat leg is releasably connectable, in particular pushed or plugged or clipped. This replaceable armrest element enables a comfortable armrest, in which the armrest element forms, for example, a wide armrest surface, or can be formed from a padded material or a material with a cushion. In addition, the armrest element allows to design the design of the chair, in which it has, for example, a different color or a different material than the rest of the chair and thus can set an accent.

In one embodiment, it may be provided to form a seating furniture set from a plurality of seating devices designed according to the invention, wherein all of the seating furniture of the seating furniture set can be coupled to one another. Thus, it can be provided that a chair can be coupled to a chair, or that a chair can be coupled to a chair, or that two chairs can be coupled to one another. Of course, more than two seats can be coupled to each other, wherein the number of coupled to seating furniture is limited only by the spatial conditions, especially the desired length.

In a further embodiment, it may be provided that the seating furniture of a seating set are stackable and detachable with each other, again a chair can optionally be designed as a chair or as a chair and both a chair is stackable on a chair and a chair on a chair is stackable as well as optionally a chair on a chair or a chair on a chair in any combination are stackable.

In order to form a stable stack of seating, may be provided in one embodiment that the front legs of the chair seen in front view are perpendicular and inclined in side view against the vertical by each the same angle, and seen the rear seat legs in front view also perpendicular run and are inclined in side view against the vertical in each case by the same angle, so that in stacked seating the overlying seat legs abut each other. It is thereby achieved that, in the case of stacked seating furniture, the seat legs each lie directly against one another and thus stabilize the stack. Thus, several seats can be stacked on top of each other, without the stack is unstable.

In one embodiment, it is provided to dimension the inclination of the seat legs so that, in the case of stacked seating furniture, the distance from one seat shell to the next seat shell, in particular the distance between a seat surface and the next overlying seat surface, is dimensioned such that a seat cushion can fit therebetween Has. In particular, in stacked seating between two seats or the two seats a distance that corresponds to at least the thickness of a seat cushion remains. The distance may be in a range of 2 to 10 cm, preferably in a range of 4 to 7 cm.

Further embodiments of the invention are illustrated in the figures and the associated description.

State of the art

The invention will now be explained in more detail with reference to exemplary embodiments. Show it

1a to 1c : the schematic structure of the chair;

2a : the coupling process of two chairs;

2 B to 2d : Variants of coupled seating furniture;

3a : An enlarged view in the area of a chair leg with strut section element and notch;

3b and 3c : a schematic view of the coupling of two chairs from behind;

4a to 4d : a schematic view stacked seating in different variants.

In the 1a is a chair designed as a chair 1 shown in a schematic exploded view. The seating 1 has a seat frame 3 on which a seat shell 2 wearing. The seat shell 2 has a substantially upright backrest 22 , as well as a horizontally extending seat 21 on. The seat frame 3 includes four chair legs, which are paired as front chair legs 31vl . 31vr as well as in a pair of rear chair legs 32hl . 32hr are divided. The chair legs are made of a pipe material, and in particular from semi-finished products such. For example, be made of a steel pipe or iron pipe. The legs of the chair are at the bottom 31vl . 31vr . 32hr . 32hl one bottom cap each 33 on which closes the underside of the chair leg, and serves as a sliding bearing to the seat frame 3 to set up on a floor or to be able to move freely.

Next, the seat frame horizontally extending struts 34 . 34 ' on, with one strut each the front seat legs and the other strut 34 ' the rear seat legs are interconnected. At this quest 34 . 34 ' are reception camps 36 arranged. The reception camp 36 serve to hold the seat 2 , The reception camp 36 can cushion elements for comfortable storage of the seat shell 2 include or directly with the seat pan 2 be bolted. Furthermore, the seat frame includes 3 two horizontally extending longitudinal struts 35 that the two struts 34 and 34 ' connect with each other.

The two front legs 31vl and 31vr run from the ground up to about the height of the seat 21 , They are for forming an armrest 6 extended upwards beyond the seat. In the upper area form the two front legs 31vl and 31vr a horizontally extending portion, which can serve as a support surface for an arm. On this horizontally extending section can be an armrest element 61 be deferred. The armrest element 61 is formed for example of a plastic or a wood material, and forms a wider Armauflagefläche. The armrest element 61 is also upholstered and / or colored in a comfortable design.

The cross struts 34 of the seat frame 3 show in a near the seat legs 31vl . 31vr . 32hr . 32hl located connecting portion on a strut portion member which the seat stay 34 each with a seat leg 31vl . 31vr . 32hr . 32hl combines. The strut section element 5 each has a notch or recess 51 or 52 on. On the right half of the seat 1 have the notches 51 with their openings upwards. On the left half of the chair 1 have the notches 52 in the strut section elements 5 each with their openings down. This embodiment has the advantage that two seating furniture for coupling, as in 2a represented by a simple top-to-bottom movement can be coupled together.

In 1b is the same seating as in 1a shown, with the only difference being that in 1b it is not an exploded view, but that the seating 1 in 1b as joined seating furniture 1 which here as in 1a a chair 12 shows is shown. In addition, in 1b the coordinates indicated. The seating 1 is aligned so that the seating direction is in z-direction. In the front view you look in the z-direction on the seating. In side view you look in x-direction on the seating. The backrest 22 runs essentially in the y direction.

In the 1c is the seating 1 in a version as a chair 11 shown. Unlike the ones in the 1a and from illustrated armchair 12 , are with the chair 11 , both front legs 31vl and 31vr only up to the height of the seat 21 guided. The chair 11 has no armrest. At the chair 11 all chair legs end 31vl . 31vr . 32hr . 32hl at about the height of the seat 21 , All other components are the same as those in the 1a and 1b shown seating.

In the 2a is the coupling of two chairs 11 and 11 ' to a seating furniture set 7 exemplified. Every seating 11 and 11 ' has a seat shell 2 on, their seat 21 spaced apart from the chair legs 31vr . 31vl . 32hl . 32hr is arranged. This distance is so dimensioned that it is at least so wide that for linking a chair leg of the chair to be linked can be inserted into the area between the seat shell and its own chair legs spaced therefrom. The length of this distance is essentially determined by the length of the strut portion element 5 certainly. To pair the two chairs 11 and 11 ' each with their chair legs hooked into each other. These are the front chair leg 31vl and the back chair leg 32hl of the chair 11 in the between the seat shell 2 of the chair 11 ' and his chair legs 31vr such as 31hr arranged space introduced from above. The one in the right half of the chair 11 ' arranged strut elements 5 each have notches 51 on whose openings point upwards. The on the left chair half of the chair 11 arranged strut section elements 5 have complementary trained notches 52 on whose openings each point down. In the juxtaposition of the two chairs 11 and 11 ' Accordingly, these complementary notches engage positively with each other and form a mechanically stable connection.

It is envisaged that the depth at the notches 51 and 52 together is at least the height of the strut portion element in the region of the notches. This ensures that when coupling the two chairs 11 and 11 ' , as in 2 B shown, there is no height offset between the two chairs.

The 2 B shows the two coupled chairs 11 ' and 11 arranged side by side on a floor. Otherwise vote in the 2 B shown chairs with the in the 2a and in the 1c shown chairs match. In the 2c is a variant of a seating furniture set 7 shown at a chair 11 with a chair 12 is coupled. The chair 11 corresponds to that in the 1c illustrated chair 11 , The armchair 12 corresponds to that in the 1b illustrated armchair 12 ,

In the 2d is a variant of a seating furniture set 7 represented, wherein in this variant two armchairs 12 and 12 ' coupled together to a chair row. The two illustrated armchairs 12 and 12 ' correspond to those in the 1b illustrated armchair.

3a shows an enlargement in the region of a strut section element 5 a chair 1 , The strut section element 5 has a recess or notch 51 on, whose opening is directed upward. The strut section element 5 is formed as a plate-shaped element with a rectangular cross-section. The long side of the strut section element 5 extends in a vertical direction approximately parallel to the chair legs 31 , The narrow side of the strut portion element extends approximately horizontally. The ratio of long to narrow side is approximately 10: 1 in the exemplary embodiment shown.

The strut section element 5 is in one piece with a cross strut at one end 34 connected. With its other end is the strut section element 5 in one piece with the chair leg 31 connected. The upwardly open notch 51 is designed trapezoidal, ie it has two edges 53a and 53b which are spaced further apart at the top in the region of the opening than at the bottom in the region of the base connecting them 54 , This trapezoidal configuration results in an insertion aid when coupling, in which the obliquely extending flanks 53a and 53b form a guide surface to the threading of the two strut portion elements 5 to simplify.

In the notch 51 is a damping element 55 used, which is formed of an elastic plastic or a rubber material. This damping element 55 serves, on the one hand the fit of two strut section elements 5 improve while reducing the noise during coupling.

In the 3b There are two chairs seen from behind, standing side by side on the ground. The in the 3 shown chairs in turn correspond to the chairs shown in the other figures 11 , In the strut section elements 5 The two chairs are each notches 51 respectively. 52 arranged, which are complementary to each other. They have openings which point in opposite directions and engage in one another in a form-fitting manner when fitting into one another. In the strut section elements 5 of the chair 11 are the openings 52 On the right side shown. These openings 52 point down. In the strut section elements 5 , in the representation of the 3b only the rear strut portion element 5 can be seen are notches or recesses 51 arranged with the opening facing upwards.

As in 3c shown, engage in coupling the two notches 51 and 52 positively in one another. For coupling the seat or the chair 11 slightly raised and sideways to the chair 11 ' something shifted so that the two notches 51 and 52 in pairs one above the other. Now the chair 11 lowered, so grab the two notches 51 and 52 form-fitting into each other, to a stable coupling of the two chairs 11 and 11 ' to accomplish with each other. During coupling, the trapezoidal flanks form 53a and 53b the notches 51 respectively. 52 Guide surfaces forming a guide to facilitate coupling.

The seating furniture according to the invention 1 is dockable and stackable. That means the seating 1 not only juxtaposed and can be coupled together to form a non-positive seat chain, but can also be stacked on top of each other for space-saving storage. When stacking, the seating forms a space-saving stack with reduced footprint.

In the 4a and 4b is each a seat set 7 consisting of two stacked seating furniture 1 shown in the 4a to 4b Seating furniture shown again correspond to the previously presented seating. The erfindunsgemäße seating 1 is stackable with each other in any variant, regardless of whether the chair as a chair 11 or as an armchair 12 is trained.

In the 4a are two chairs 11 and 11 ' shown stacked together. For the two stacked chairs 11 and 11 ' is out 4a It can be seen that the seat legs each lie directly against each other. The two front legs of the lower chair 11 . 31vl and 31vr stand directly on the ground. The two front seat legs 31'vl . 31'vr of the upper chair 11` are from above coming directly on the lower seat legs. In the same way are the rear seat legs of the lower chair 11 . 32hl and 32hr arranged directly on the ground, with the rear seat legs of the upper chair 11` . 32'hr and 32'hl coming from above, lie directly on the lower seat legs.

The inclination of the seat legs to each other is designed so that in front view, ie seen in the sitting direction, the front legs as well as the rear legs of the chair 1 each run vertically. Seen in side view, the seat legs are inclined to each other so that their distance in the region of the seat is less than in the lower region in the region of the bottom. The seat legs are inclined relative to each other at an angle such that, when the seat furniture is stacked, there is a gap between the seat shells, which allows stacked seating furniture to have a seat cushion (not shown) on the seat surface 21 can remain.

In the 4b is a seating furniture set 7 shown in which a chair 12 On a chair 11 is stacked. In the presentation of the 4c is a variant of the seating furniture set 7 shown at a chair 11 ' on a chair 12 is stacked. In the 4d another variant of the seating set is shown, in which two armchairs 12 and 12 ' stacked on top of each other. The seating furniture according to the invention 1 can be stacked in any combination. In particular, seating furniture sets are provided which include a plurality Einzelmer seating, especially mixed stacks of a variety of seating 1 in which chairs and armchairs can be stacked or linked together in any order.

LIST OF REFERENCE NUMBERS

1

 seating

11, 11 '

 chair

12, 12 '

 armchair

2

seat

21

 seat

22

 backrest

3

 seat frame

31vl

 Front seat leg

31vr

 Front seat leg

32hl

 Seat rear leg

32hr

 Seat rear leg

33

bottom cap

34, 34 '

 crossmember

35

 Längstrebe

36

 Damping element / recording seat shell

5

 Strut portion element

51

 notch

52

 notch

53a, b

 flanks

54

 Base

55

 pass element

6

 armrest

61

 armrests element

7

Sitzmöbelset

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 19944503 C1 [0002]
• DE 102009024260 A1 [0003]
• US 20110084526 A1 [0004]
• GB 939158 [0005]

Claims (20)

Seating furniture with a seat frame ( 3 ) with several seat legs ( 31vl . 31vr . 32hl . 32hr ) attached seat shell ( 2 ) with a seat ( 21 ) and a back surface ( 22 ), wherein the seat frame with each a seat leg directly connected and substantially horizontally extending strut portion elements ( 5 ), which extends over the dimensions of the seat ( 21 ) extend to the chair legs, so that the seat is spaced from the chair legs, characterized in that the seating ( 1 . 11 . 12 ) with another seating furniture ( 11 ' . 12 ' ), in which the strut section elements ( 5 ) each in one between the seat ( 21 ) and the seat leg arranged connection area by a notch ( 51 . 52 ) have reduced cross-section and for coupling in a complementary formed notch ( 51 . 52 ) engage a strut element of the other seat form-fitting manner. Seating furniture according to claim 1, characterized in that the notch ( 51 . 52 ) in the strut portion element ( 5 ) in each case runs vertically and for coupling from above or from below into a complementary notch ( 51 . 52 ) of a strut section element ( 5 ) engages another seat form-fitting manner. Seating furniture according to claim 1 or 2, characterized in that the contour of the notch ( 51 . 52 ) one at the top or at the bottom of a section element ( 5 ) arranged opening, as well as from the opening, two vertically extending flanks ( 53a . 53b ) and a base connecting these flanks ( 54 ), in particular that the contour of the notch ( 51 . 52 ) is designed as a trapezoidal or U-shaped or C-shaped extending contour. Seating furniture according to one of claims 1, 2 or 3, characterized in that the strut portion element ( 5 ) has a rectangular cross-section and is arranged so that its longer side in the vertical direction and its shorter side in the horizontal direction, and that it is preferably provided that the cross-section of the link portion element has a ratio of long side to short side of 4: 1 or has more. Seating furniture according to one of the preceding claims, characterized in that the clear width of the notch ( 51 . 52 ) to the dimension of the short side of the cross section of the strut portion element ( 5 ) and in coupled seating the complementary notches ( 51 . 52 ) in such a way that in each case a strut section element ( 5 ) another seat between the vertical flanks ( 53a . 53b ) a notch is stored. Seating furniture according to one of the preceding claims, characterized in that the track section element ( 5 ) is angled in the connecting region relative to the seat direction, in particular angled in the range of 20 ° to 70 °, preferably 45 °. Seating furniture according to one of the preceding claims, characterized in that at least two strut section elements ( 5 ) via a strut ( 34 . 34 ' ) are interconnected. Seating furniture according to claim 7, characterized in that a strut section element ( 5 ) with the strut ( 34 . 34 ' ) is integrally connected, in particular welded or glued, or that a strut section element ( 5 ) with the strut ( 34 . 34 ' ) is integrally formed. Seating furniture according to one of the preceding claims, characterized in that a strut section element ( 5 ) with a seat leg ( 31vl . 31vr . 32hl . 32hr ) is integrally connected, in particular welded or glued, or that a strut section element ( 5 ) with a seat leg ( 31vl . 31vr . 32hl . 32hr ) is integrally formed. Seating furniture according to one of claims 1 to 7, characterized in that a strut section element ( 5 ) detachable with a strut ( 34 . 34 ' ), in particular screwed, or that a strut section element ( 5 ) detachable with a seat leg ( 31vl . 31vr . 32hl . 32hr ), in particular screwed. Seating furniture with a left front and a right front seat leg according to one of the preceding claims, characterized in that the opening in the region of a left front seat leg ( 31vl ) arranged notch ( 51 . 52 ) in the opposite direction than the opening in the region of a right front seat leg ( 31vr ) arranged notch ( 52 . 51 ). Seating furniture having a left rear seat leg and a right rear seat leg according to one of the preceding claims, characterized in that the opening in the region of a left rear seat leg ( 32hl ) arranged notch ( 51 . 52 ) in the opposite direction than the opening in the region of a right rear ischium ( 32hr ) arranged notch ( 52 . 51 ). Seating furniture according to one of the preceding claims, characterized in that all openings of the arranged on a right half seat notches ( 51 ) in a common direction and that all openings of the arranged on a left half seat notches ( 52 ) show together in the opposite direction. Seating furniture according to one of the preceding claims, characterized in that in the notch ( 5 ) a fitting element or damping element ( 55 ) can be used, in particular is releasably applicable. Seating furniture according to one of the preceding claims, characterized in that the seating furniture ( 1 ) as a chair ( 11 . 11 ' ) is formed, in which the upper end of the seat legs at a height with the seat surface ( 21 ), or below the seat ( 21 ) is arranged. Seating furniture according to one of claims 1 to 14, characterized in that the seating ( 1 ) as armchair ( 12 . 12 ' ) is formed, in the two front seat legs ( 31vl . 31vr ) up over the seat ( 21 ) are extended beyond and above the seat a horizontally extending portion which serves as an armrest ( 6 ) is trained. Seating furniture according to claim 16, characterized in that an armrest element ( 61 ) with the armrest ( 6 ) serving horizontal portion is detachably connectable, in particular pushed or attachable or can be glued. Seat furniture set comprising at least two seating furniture according to one of the preceding claims, wherein the at least two seating furniture ( 1 . 11 . 11 ' . 12 . 12 ' ) are coupled together to a chair row. Seating furniture set according to claim 18, characterized in that a seating furniture ( 1 . 11 . 11 ' . 12 . 12 ' ) with another seating furniture ( 1 . 11 . 11 ' . 12 . 12 ' ) is stackable, in which the front seat legs ( 31vl . 31vr ) are perpendicular in front view and inclined in side view against the vertical by an equal angle around the rear seat legs ( 32hl . 32hr ) run vertically in front view and are inclined in side view against the vertical and at the same angle, so that in stacked seating the overlying seat legs abut each other. Seating furniture set according to one of claims 18 or 19, characterized in that a seating furniture ( 1 . 11 . 11 ' . 12 . 12 ' ) with another seating furniture ( 1 . 11 . 11 ' . 12 . 12 ' ) is stackable, in particular that armchair ( 12 ) with armchair ( 12 ' ) and / or chair ( 11 ) with chair ( 11 ' ) and / or chair ( 11 . 11 ' ) with armchair ( 12 . 12 ' ) are stackable, in which the front seat legs ( 31vl . 31vr ) of a chair ( 12 ) in front view from the floor up to the height of the armrests ( 6 ) run vertically and in side view from the height of the seat ( 21 ) up to the height of the armrest ( 6 ) angled to the backrest ( 22 ) inclined towards.

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