EP1468634A1 - Stackable chair connectable in a row - Google Patents

Abstract

The chair is assembled of a seat (1) and a backrest (2) made all of a piece and a metal frame (3) with two u-shaped units (4, 5) of a front and a rear leg. The units (4, 5) are joined with two transversal bars (7) located underneath the seat (1). A horizontal bar (8, 9) inserted into each of the leg units (4, 5) slightly below the horizontal u-segment (6) is fitted with two inwards pointing projections (10) keeping the seats (1) at a distance when several chairs are stacked. The outer surfaces of the bars (8, 9) are provided with hook elements (12), socket elements (11) respectively, to be engaged in order to join two adjacent chairs.

Description

Technical field

The invention relates to the field of the furniture industry. It affects you stackable row chair with seat plate, backrest and four chair legs, which lie on both sides of the chair in pairs on one level and down diverge diagonally.

State of the art

Stacking chairs of the type described are in various embodiments known (DE 40 32 278 C2, EP 824 880 A2). They are, for example, in community centers used and set up there either individually or in rows.

When not in use, the chairs are stacked on top of each other to save space by the lateral pairs of legs more or less far over the corresponding pairs of legs of the next lower chair. They are so-called tray stackers, which via an additional part located below the seat (stacking buffer) stack, or so-called rack stackers, which stack over the chair frame, known.

In row seating, there should be a row between the adjacent chairs as little space as possible. In addition, the chairs should be a row advantageously be stably connectable to one another in the simplest possible way. The Chairs should be coupled in straight rows, so that a possible Moving and moving the chairs during an event with one associated unwanted noise or unwanted rearrangement the chairs are prevented.

For example, a stackable chair is known (brochure from Thonet, program S 570, 1997), in which a round steel bar of a first chair in the Round steel bar of a second adjacent chair is hooked in and thus straight row coupling is achieved. These connection brackets are under fixed the seat and protrude laterally. They are comparative for functional reasons long, leaving a relatively large space between the neighboring ones Chairs in a row exist, which adversely affects space requirements effect.

If such connection brackets are arranged rigidly, they interfere with individual seating. Various solutions are also known in which the connecting parts (Bracket) slid under the seat or folded away when not in use be, but disadvantageously an additional workload when stacking or means when the chairs are installed individually.

The applicant's "get together" model designates a chair which over the frame stacks. If this model is arranged in rows, the chaining takes place the chairs are arranged on the side of the frame below the armrest Node. Since this knot can also be used to hold armrests, Writing tablet and the arrangement of row and place numbers is, it is comparatively complicated and therefore expensive. The Areas of application of this well-known chair are therefore rather in the upper range, z. B. for conference seating in a comfort hotel.

The applicant's chair known under the name "line up" also stacks over the frame. Part of the metal frame is an aluminum die-cast part, which in each case at the upper end of the legs of a chair side between these legs is arranged and reaches positively up to the seat. The stack centering takes place via this aluminum part to which the seat and legs of the chair are attached are. In the longitudinal direction is over elements attached to this part centered in two grooves on top of the same part on the one below intervene in the chair. To prevent the chair from sliding sideways, Fixed inside surface of the same aluminum part.

This ensures vertical stackability. To chain the To implement rows of chairs, additional parts, so-called Linking bridges can be installed. In the event of subsequent individual seating these interlinking bridges must then be removed again and separately be stored, which in turn means additional effort.

The previously known chairs are for chaining and stacking with different Elements made of different materials, which are often disadvantageous have to be assembled in a complex manner.

Presentation of the invention

The invention tries to avoid the disadvantages mentioned above. You are the one The task is to develop a stackable row chair that is inexpensive is manufacturable and easy to assemble. The chair should be in the non-use position simply stack it over the frame without having a precise aim necessary is. In the position of use, the chair should sit in a row either be easily linked from the start or, if necessary, quickly Linking elements can be retrofitted, the linking between two Chairs should be space-saving and stable.

According to the invention, this becomes a stackable row chair according to the preamble of claim 1 achieved in that the chair a left and has a right function bar made of plastic, each between the front and rear legs of a pair of chair legs are arranged, the Function bars on their inner longitudinal edge two spaced apart Have stacking guides and one on their outer longitudinal edges Function bar has two spaced-apart concatenation pockets and the other function bar two spaced apart, formally in the chain pockets suitable interlinking elements or at least assembly openings for retrofitting corresponding interlinking elements.

The advantages of the invention are that the chair according to the invention is inexpensive to manufacture and the functions of stacking and linking in two Plastic parts are integrated. The chair can be easily removed when not in use and stack quickly over the frame without aiming precisely necessary is. In the use position, the chair is advantageous for row seating either easily and stably linked from the start, or if necessary can be quickly retrofitted with interlinking elements. The concatenation between two Chairs are space-saving and due to the widely spaced linking elements very stable. The function strips made of plastic have also the advantage that there is relatively little noise when stacking.

It is useful if the toolbars are at a certain vertical distance are arranged from the upper horizontal part of the frame. An accidental Pinching the fingers when stacking is done in this way by the existing clear width avoided.

It is also advantageous if the distance between the stack guides of the Function bar corresponds to the distance between the cross struts of the frame. Due to the disc shape on the outside and the shape of the inside which is adapted to the frame Stack guidance does not have to be paid attention to exact centering, because a This prevents the chairs from sliding sideways.

Furthermore, it is advantageous if the concatenation pocket has an opening of this type has that in a row seating the chaining element of an adjacent Chair is stable. This is particularly the case if the opening of the concatenation pocket is semicircular, and the concatenation element has approximately the shape of a one-sided offset bolt, which a larger diameter on its outwardly projecting section has than on its inner portion, the portion with the larger Diameter in its upper area in a row seating from the chain pocket of the neighboring chair is enclosed.

Finally, it is expedient if the retrofit is planned Stacking chair with a linking element this at the end of its inner section another section with at least one locking clip and at least has a retaining lug and the locking clips in a for this purpose in the Function bar inserted locking groove is clickable. Prevent the retaining lugs prevent the interlinking element from falling out and the locking clips the twist.

Brief description of the drawing

Fig. 1

eine perspektivische Darstellung (schräg von vorn gesehen) eines erfindungsgemäßen Stuhles in einer ersten Ausführungsvariante;

Fig. 2

eine perspektivische Darstellung (schräg von hinten gesehen) des Stuhles gemäss Fig. 1;

Fig. 3

eine Seitenansicht von zwei übereinander gestapelten erfindungsgemäßen Stühlen;

Fig. 4

eine Schnittdarstellung entlang der Linie IV-IV gemäß Fig.1;

Fig. 5

eine Schnittdarstellung entlang der Linie V-V gemäß Fig. 1;

Fig. 6

eine Draufsicht auf zwei miteinander verkettete erfindungsgemäße Stühle;

Fig. 7

eine Schnittdarstellung entlang der Linie VII-VII gemäß Fig. 6;

Fig. 8

eine perspektivische Darstellung eines Teils der Funktionsleiste mit nachrüstbarem Verkettungselement (zweite Ausführungsvariante der Erfindung) im zusammengebauten Zustand;

Fig. 9

eine perspektivische Darstellung eines Teils der Funktionsleiste mit nachrüstbarem Verkettungselement in Explosionsdarstellung;

Fig. 10

eine Seitenansicht des in die Funktionsleiste eingebauten Verkettungselementes;

Fig. 11

eine Schnittdarstellung entlang der Linie XI-XI gemäß Fig. 10;

Fig. 12

eine Draufsicht auf zwei miteinander verkettete erfindungsgemäß nachgerüstete Stühle und

Fig. 13

eine Schnittdarstellung entlang der Linie XIII-XIII gemäß Fig. 12.

Several exemplary embodiments of the invention are shown in the drawing. Show it:

Fig. 1

a perspective view (seen obliquely from the front) of a chair according to the invention in a first embodiment;

Fig. 2

a perspective view (seen obliquely from behind) of the chair of FIG. 1;

Fig. 3

a side view of two stacked chairs according to the invention;

Fig. 4

a sectional view taken along the line IV-IV of Figure 1;

Fig. 5

a sectional view taken along line VV of FIG. 1;

Fig. 6

a plan view of two chairs according to the invention linked together;

Fig. 7

a sectional view taken along line VII-VII of FIG. 6;

Fig. 8

a perspective view of part of the function bar with retrofittable linking element (second embodiment of the invention) in the assembled state;

Fig. 9

a perspective view of part of the function bar with retrofittable linking element in an exploded view;

Fig. 10

a side view of the interlinking element built into the function bar;

Fig. 11

a sectional view taken along the line XI-XI of FIG. 10;

Fig. 12

a plan view of two chained and retrofitted chairs according to the invention

Fig. 13

12 shows a sectional illustration along the line XIII-XIII according to FIG. 12.

Only the elements essential for understanding the invention are shown. The same positions are given the same reference symbols in the different figures Mistake.

Ways of Carrying Out the Invention

The invention is described below using exemplary embodiments and the figures 1 to 13 explained in more detail.

Fig. 1 and Fig. 2 each show a perspective view of an inventive Stackable row chairs in a first version. In Fig. 1 the chair is shown obliquely from the front, while in Fig. 2nd is seen obliquely from behind.

The chair has a seat plate 1, a backrest 2 and a seat plate 1 and the backrest 2 supporting frame 3. The latter is a metal frame. It exists on the one hand from four chair legs 4, 4 ', 5, 5', which on both sides of the Chairs lie in pairs on one level, the chair legs 4, 4 'and 5, 5' each Couple diverge diagonally downwards and horizontally above Part 6, 6 'of the frame 3 are interconnected, and on the other hand from two spaced-apart transverse struts 7, 7 ', which the chair leg pairs 4, 4' or 5, 5 'of the two sides at the top. On these cross braces 7, 7 ', the seat plate 1 is attached.

According to the invention, the chair now has a right 8 and a left function bar 9 made of plastic, each horizontally between the front 4, 5 and the rear chair legs 4 ', 5' of each pair of chair legs are arranged. This Function strips 8, 9 are firmly screwed to the chair legs 4, 4 ', 5, 5'. she have two spaced apart on their inner longitudinal edges Stack guides 10 on. The distance between the stack guides 10 one Toolbar 8, 9 is labeled a. At their outer longitudinal edges are at the one function bar 9 two spaced-apart concatenation pockets 11 arranged, while in the other toolbar 8 two from each other spaced, in the interlinking pockets 11 form-fitting interlinking elements 12 are attached.

1 and 2 that the function strips 8, 9 are each in a certain vertical distance h from the upper horizontal part 6, 6 'of the frame 3 are arranged. In addition, the horizontal distance a between the stack guides 10 or between the interlinking elements 12 or Linking pockets 11 of the function strips 8, 9 the distance between the Cross struts 7, 7 'of the frame 3, and on the function bar 8, 9 are the stack guides 10 exactly opposite the interlinking elements 12 or the interlinking pockets 11 arranged. The latter is of course not mandatory, but an offset arrangement in another embodiment is also possible.

The quick stacking is due to the clear dimension (vertical distance h) between the frame, here the horizontal parts 6, 6 ', and the function strips 8, 9 favored, since accidental pinching of the fingers is avoided. Through the Shape of the stack guide 10 does not have to be centered precisely when stacking be respected. Because the functional strips made of plastic and the frame Are made of metal, the noise pollution when stacking is only slight.

Fig. 3 shows a side view of two stacked according to the invention Chairs, while FIGS. 4 and 5 are sectional views along lines IV-IV and V-V are. 3 to 5 it can be seen well that the chairs over the frame stack.

4 lies exactly in the plane of the stack support 10 and the Linking element 12, while the section of FIG. 5 outside of this Level lies. The function bar 9 shown lies, just like the one not shown Toolbar 8, with the stacking pad 14 on the upper horizontal Part 6 '(or with toolbar 8 on part 6). The stack guide 10 prevents the parts slide sideways. The stack guides 10 are approximately are disc-shaped, their inner surface of the shape of the horizontal Part 6, 6 'of the frame 3 is adapted, which is particularly good from Fig. 4 can be seen.

6 and 7, the chaining function is shown. Fig. 6 shows the top view onto two stacked stacking chairs, while FIG. 7 shows a section along the line VII-VII in Fig. 6. In Fig. 6 it can be clearly seen how that Linking element 12 of the function bar 8 of a chair in the linkage pocket 11 of the function bar 9 of the adjacent chair engages. The chain pocket For this purpose, 11 has an opening such that in the case of row seating the linking element 12 of the adjacent chair can be stably received is. In the present exemplary embodiment, the opening of the concatenation pocket is 11 semicircular, and the linking element 12 has approximately that Form of a bolt offset on one side, which protrudes outwards Section 12.1 has a larger diameter than on its inner Section 12.2. The section with the larger diameter 12.1 is in its upper area in a row seating from the chain pocket 11 des enclosed adjacent chair.

Due to the relatively far apart chain elements 12 or chain pockets 11 (horizontal distance a) is advantageous good stability within the row of chairs guaranteed. Because of the integration of the stacking functions and concatenation in the two function strips 8, 9 made of plastic parts can be reduced, assembly is simple and it is easy to retrofit given.

In some cases, only the stacking function is desired. To this too To meet requirements, the function bar 8 can also with a retrofittable linking element 12 'can be designed.

Such a second exemplary embodiment of the invention is shown in FIGS. 8 to 13 shown.

8 shows a perspective view of part of the function bar with retrofittable interlinking element in the assembled state, while Fig. 9 shows this in an exploded view. It is advantageous to use the two FIGS. 8 and 9 to consider at the same time.

If only the stacking function is to be implemented, the assembly opening 13 (see Fig. 9) in the function bar 8 closed with a lid. The function bars 8, 9 can then either with the stack guides 10 to the outside or mounted on the inside of the chair frame.

In the event of a retrofit request, the cover is removed and a linking element 12 'mounted in the mounting opening 13. The retrofittable interlinking element 12 'consists of several sections 12.1', 12.2 'and 12.3'. That in the built Part 12.1 'projecting outwards has a larger condition Diameter than the inner section 12.2 'to which another section is attached 1 2.3 'with two locking clips 15 and four retaining lugs 16 connects.

During assembly, the retrofittable interlinking element 12 'is applied with a little pressure pushed into the assembly opening 13 of the function bar 8 and then in rotated any direction by 45 ° until the locking clips 15 into one in the function bar 8 Snap in the inserted locking groove 17. The now rotated by 45 ° Retaining lugs 16 prevent the parts from falling out. Prevent the locking clips 15 the twist. This bayonet lock is very easy to do.

10 is a side view of the interlinking element mounted in the function bar 8 12 'shown. Fig. 11 shows a sectional view along the Line XI-XI in Fig. 10.

Finally, FIGS. 12 and 13 show the chaining of the retrofitted chairs shown. This takes place analogously to the first exemplary embodiment already described above.

Of course, the invention is not limited to the exemplary embodiments described limited.

LIST OF REFERENCE NUMBERS

1

seat plate

2

backrest

3

frame

4, 4 '

Chair legs (first side pair)

5, 5 '

Chair legs (second side pair)

6, 6 '

horizontal part of the frame

7, 7 '

crossbars

8th

right toolbar

9

left toolbar

10

stack guide

11

chaining bag

12

linking element

12 '

retrofittable interlinking element

12.1

outwardly projecting section of the interlinking element

12.1 '

outwardly projecting section of the retrofittable interlinking element

12.2

inner section of the interlinking element

12.2 '

inner section of the retrofittable interlinking element

12.3 '

further inner section of the retrofittable interlinking element

13

Assembly opening for the retrofittable interlinking element

14

stack support

15

Arretierclips

16

retaining nose

17

locking groove

H

vertical distance

a

Distance between two stack guides of a function bar

Claims (8)

Stackable row chair with a seat plate (1), a backrest (2) and a frame (3) supporting the seat plate (1) and the backrest (2), the latter consisting of four chair legs (4, 4 ', 5, 5'), which lie in pairs on one side on the two sides of the chair, the chair legs (4, 4 'and 5, 5') of each pair diverge downwards at the top and above via a horizontal part (6, 6 ') of the frame (3) are connected to each other, and from two mutually spaced cross struts (7, 7 '), which in turn connect the horizontal parts (6, 6') of the frame (3), characterized in that the chair has a right (8) and a Left functional bar (9) made of plastic, which are each arranged horizontally between the front (4, 5) and the rear chair legs (4 ', 5') of each pair of chair legs, the functional bars (8, 9) each having two on their inner longitudinal edges have spaced-apart stack guides (10) and on it The outer longitudinal edges have a function bar (9) with two spacing-apart interlinking pockets (11) and the other function bar (8) has two spacing-apart interlinking elements (12) or at least assembly openings (13) for fitting corresponding ones into the interlinking pockets (11) Linking elements (12 '). Stackable row chair according to claim 1, characterized in that the functional strips (8, 9) are each arranged at a certain vertical distance (h) from the upper horizontal part (6, 6 ') of the frame (3). Stackable row chair according to claim 1, characterized in that the distance (a) between the stack guides (10) or the interlinking pockets (11) or the interlinking elements (12, 12 ') of the functional strips (8, 9) is the distance between the cross struts (7, 7 ') of the frame (3) corresponds. Stackable row chair according to claim 1, characterized in that on the function bar (8, 9) the stack guides (10) are arranged exactly opposite the linking elements (12, 12 ') or linking pockets (11). Stackable row chair according to claim 1, characterized in that the stack guides (10) are approximately disc-shaped, their inner surface being adapted to the shape of the horizontal part (6, 6 ') of the frame (3). Stackable row chair according to claim 1, characterized in that the interlinking pocket (11) has an opening such that, in the case of row seating, the interlinking element (12, 12 ') of an adjacent chair can be stably received. Stackable row chair according to claim 5, characterized in that the opening of the interlinking pocket (11) is semicircular, and in that the interlinking element (12, 12 ') has approximately the shape of a bolt which is offset on one side and which on its outwardly projecting section (12.1, 12.1 ') has a larger diameter than at its inner section (12.2, 12.2'), the section with the larger diameter (12.1, 12.2 ') being enclosed in its upper area by the chain pocket (11) of the adjacent chair in row seating , Stackable row chair according to claim 7, characterized in that the retrofittable linking element (12 ') at the end of its inner section (12.2') has a further section (12.3 ') with at least one locking clip (15) and at least one retaining lug (16) and the Locking clips (15) can be snapped into a locking groove (17) introduced in the function bar (8).

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