EP0412239B1 - Furniture for sitting and/or lying - Google Patents

Furniture for sitting and/or lying Download PDF

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Publication number
EP0412239B1
EP0412239B1 EP90103511A EP90103511A EP0412239B1 EP 0412239 B1 EP0412239 B1 EP 0412239B1 EP 90103511 A EP90103511 A EP 90103511A EP 90103511 A EP90103511 A EP 90103511A EP 0412239 B1 EP0412239 B1 EP 0412239B1
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EP
European Patent Office
Prior art keywords
leg
furniture according
legs
sitting
locking bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP90103511A
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German (de)
French (fr)
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EP0412239A1 (en
Inventor
Heinz Kettler
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Heinz Kettler Metallwarenfabrik & Co KG GmbH
Heinz Kettler Metallwarenfabrik GmbH and Co
Original Assignee
Heinz Kettler Metallwarenfabrik & Co KG GmbH
Heinz Kettler Metallwarenfabrik GmbH and Co
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Application filed by Heinz Kettler Metallwarenfabrik & Co KG GmbH, Heinz Kettler Metallwarenfabrik GmbH and Co filed Critical Heinz Kettler Metallwarenfabrik & Co KG GmbH
Publication of EP0412239A1 publication Critical patent/EP0412239A1/en
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Publication of EP0412239B1 publication Critical patent/EP0412239B1/en
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C4/00Foldable, collapsible or dismountable chairs
    • A47C4/04Folding chairs with inflexible seats
    • A47C4/08Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/14Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs

Definitions

  • the invention relates to a seating and / or reclining furniture according to the preamble of the main claim as folding furniture with a seating and / or reclining surface and at least one pair of legs arranged to be movable relative to the seating surface and preferably with a backrest pivotably articulated on the seating surface.
  • the US-PS 2,381,574 shows a collapsible chair, the seat of which is pivotally mounted on a front, first pair of legs. At the rear end region of the seat surface, sliding pegs extend laterally, which are mounted in a sliding piece which is guided in a slot formed on the inside of a rear pair of legs. The upper area of the slot is widened and has a shoulder to support the slider when the chair is in use. Switching takes place due to the influence of gravity or intermittent loading of the chair, by means of which the slide is rotated relative to the slide pin. It proves to be particularly disadvantageous that even slight vibrations in the chair are sufficient to cause the chair to collapse unintentionally. This results in a very significant danger. Another disadvantage is that the slider can tilt when the chair is folded, so that multiple attempts are required to fold the chair.
  • US Pat. No. 4,162,806 also describes a collapsible chair in which the rear legs are each provided with a slot which corresponds to the slot shape of the US patent 2,381,574. The only difference is that a sliding pin is guided directly in the slot, which must be transferred over the shoulder formed at the upper end of the slot to lock the chair. This construction also does not guarantee operational safety, there is always the risk that the chair collapses unintentionally. Furthermore, the actuation and displacement of the sliding pin for the desired folding of the chair is impractical and involves the risk of injury.
  • Such seating and / or reclining furniture of a generally known type have the disadvantage that the chair or the bed unintentionally collapses with certain manipulations, so that accidents can occur.
  • the invention has for its object to provide a seating and / or reclining furniture of the type mentioned, which is securely locked against unintentional folding in the use position with a simple structure and simple, reliable handling and on the other hand can be easily folded for folding .
  • the locking bolt is preferably resilient and attached to one side of the leg; its free end protrudes in the area of the sliding pin, which fixes it, through a recess in the slideway.
  • the slide is L-shaped, the short leg, which is preferably angled, receives the slide pin in the locking position, the free end of the locking bolt protruding into the slide such that the slide pin does not come out of this short leg can slide out.
  • This releasable locking position prevents the furniture from inadvertently collapsing with its known disadvantageous consequences.
  • an actuating bar Transversely to the locking bar, which extends in the longitudinal direction of the leg, an actuating bar can be moved, which holds the free end of the elastic locking bar perpendicular to the longitudinal direction of the leg in the locking or folding position.
  • FIG. 1 for example, an embodiment of a foldable seat (10) is shown.
  • This seating furniture (10) has a backrest (11), a seat part (12) articulated thereon and a pair of front legs (13) and a pair of rear legs (14).
  • the side view in FIG. 1 shows only one of the pairs of legs.
  • the backrest (11) is pivotally articulated via two swivel joints on the seat part (12), only one of the swivel joints (15) is shown in Fig. 1, which usually consist of a pin each, the recesses in a fork-shaped end portion of the seat part and passes through a recess in each tab of the backrest, which is inserted into the fork-like end region (not shown).
  • each front leg (13) is pivotally connected to the corresponding rear legs (14) via a swivel joint (16), the swivel joint (16) in the region of upper end sections (17) and (18) of the front or rear leg (13) or (14) is arranged.
  • the front legs (13) and rear legs (14) are each articulated on the outside on the long sides (19) of the seat part (12), so that the seat part (12) lies between the pairs of legs.
  • the seating furniture (10) also has a pair of armrests (20), of which only one armrest is visible due to the selected side view.
  • Each of these armrests (20) is articulated via a further swivel joint (21) on the longitudinal outside of the backrest (11) and is supported in the position of use shown in FIG. 1 on the upper end sections (17) and (18) of the front legs (13 ) and hind legs (14).
  • the armrests (20) can be designed as hollow profiles open at the bottom, which can be provided with a plurality of catches on the underside of the bearing surface of the armrests (20), which in turn have a pin on the top of the end sections (17) and (18 ) cooperate so that a gradual inclination adjustment of the backrest (11) is possible (not shown).
  • a guide in the form of a longitudinal sliding slot (22) is incorporated into each of the rear legs (14), the sliding slots (22) being arranged on the mutually facing inner sides (23) of the rear legs (14). These sliding slots (22) run in an area on the inner sides (23) of the rear legs (14), which begins approximately in the middle section and extends into the lower third of the rear legs (14).
  • the two sliding slots (22), of which only one slot can also be seen due to the side view selected in FIG. 1, are of identical design, so that in the following description only reference is made to the sliding slot (22) visible in FIG. 1 .
  • Each slide slot (22) is trough-shaped with an approximately U-shaped cross section and can be formed by webs (43) projecting inwards from the inside (23), which are integrally connected to the box-shaped rear leg (14) in its longitudinal direction.
  • an upper end section (24) is formed in the rear leg, which is arranged approximately horizontally but slightly inclined (angled) downward and extends approximately to the area of a front edge (25) of the rear leg (14).
  • This upper end section (24) is adjoined by an elongated straight middle section (26) which runs parallel to the longitudinal axis of the rear leg (14) or parallel to its rear edge (27) in its immediate vicinity.
  • This middle section (26) in turn merges into a lower inclined end section (28) which, as shown in FIG Seating (10) is arranged essentially at a right angle to the contact surface (29) pointing downwards.
  • the lower end section (28) ends in the region of the front edge (25) of the rear leg (14) (cf. FIG. 1).
  • the length of a sliding slot (22) measured in a straight direction between the angled end portion (24) and the lower inclined end portion (28) is approximately about 1/3 of the total length of the rear leg (14).
  • the length of a sliding slot (22) can, however, be adapted to the geometry and dimensions of the respective seating or reclining furniture and is selected so that on the one hand a stable use position and on the other hand a very space-saving storage position can be reached, in which the backrest (11 ) lies tightly on the seat part (12). This is achieved in particular by the lower end section (28) of the sliding slot (22) and its arrangement and length.
  • the seat part (12) also has two outwardly projecting sliding pins (30) which are arranged below the swivel joint (15), of which in turn a sliding pin (30) is shown in FIG. 1.
  • the slide pins (30) engage in the slide slots (22), the slide pin (30) being arranged in the upper angled end section (24) of the slide slot (22) in the position of the seating (10) shown in FIG. 1. Due to the horizontal or slightly downward slope of the end section (24) and the essentially inverted V-shaped arrangement of the legs of the reclining furniture (10), a force acts on the person sitting on the piece of furniture which pulls the sliding pin (30) presses into the angled end region of the end section (24) adjacent to the front edge (25).
  • This elastic locking bolt (32) extends in the longitudinal direction of the sliding slot (22) and is detachably fastened in the interior of one of the two rear legs (14) designed as profile tubes on the surface side of a guide base (34) facing away from the sliding slot and has a slight arch shape in its gem.
  • Fig. 7 shown side view. At the end there is a bulge (36) on the surface side of the locking bolt (32) - formed in one piece with it - which removes the locking bolt (32) which extends from the open side of the guide (22) through the guide base (34) attached screw (35).
  • the other upper end side of the locking bolt (32) branches into an area (37) which is angled at approximately 90 ° and to which an outer nose (38) is integrally connected at right angles.
  • the locking bolt (32) there is a groove (40) forming a receiving recess (39), the base (41) of the recess having an approximately V-shaped cross section and with the locking bolt inserted into the rear leg (14) the recess (39) itself runs transversely to the longitudinal direction of the sliding slot (22).
  • the guide base (34) is provided with a rectangular recess (42) which penetrates this in the upper end section (24) and extends in the longitudinal direction of the sliding slot (22).
  • the upper region of the locking bolt (32) engages between the groove (40) and the angled region (37) through this recess (42) into the sliding slot (22 ) in the area of the upper end section (24), the nose (38) the bottom (34) in the end area engages the recess (42).
  • the wall of each rear leg (14) which merges into the web (43) of the sliding slot (22) (like the web (43) itself) has a slot (44, 45).
  • an actuating bolt (33) with an approximately U-shaped cross section can be inserted, preferably at an angle of 90 ° to the longitudinal direction of the sliding slot (22).
  • the leg (46) of the actuating bolt (33) protruding into the area of the sliding slot (22) is arrow-shaped at its end. This results in bevels (47) for the sliding pin (30).
  • the free end of a leg (48) of the actuating bolt (33) which can be inserted into the hollow interior of the rear leg (14) has a double V-shape. Seen from the beginning of the leg (48), it is provided with a ramp (49) due to the inward open V-shape, which presses the elastic locking bolt (32) down at its free end when inserted. This inwardly open V-shape merges into an outwardly open shape into which the cross-sectionally approximately triangular base (41) of the receiving recess (39) snaps into place when the actuating bolt (33) is moved in further.
  • the locking bolt (32) is now in its locking position, so that folding the seat (10) is not possible because the sliding pin (30) is fixed.
  • the actuating bolt (33) is not fully inserted or stretched into the rear leg (14). Due to the V-shape, which is open to the outside, the locking bolt (32) is pressed further out.
  • the double V-shaped design of the second leg (48) of the U-shaped actuating bolt is followed by an outwardly pointing V-shaped notch (51) into which the tip of the base (41), which is approximately triangular in cross section. deflects the receiving recess (39) into place.
  • the locking bolt (32) has left the sliding slot (22).
  • the first leg is now (46) in the area of the sliding slot (22) up to the middle of it approximately.
  • the actuating latch (33) is pulled out again and moved into the position shown in FIG. 3, this movement being caused by an interior of the actuating latch (33) at the outwardly open V-shaped end of the second leg (48) adjoining nose (50) is stopped.
  • the actuating bolt is thus non-detachably connected to the rear leg (14) or the slide slot (22) arranged therein.
  • FIG. 11 and 12 show the same locking bolt (32) according to the invention with the actuating bolt (33) acting on it, but with different profiles of rear legs (14) with guideways also arranged differently thereon.
  • the folding lock (31), which is identified by a locking bolt (32) and actuating bolt (33), can be used for seating and / or reclining furniture with a wide variety of profile sizes.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Special Chairs (AREA)

Abstract

In an item of furniture for sitting and/or lying, as collapsible furniture (10) with a sitting and/or lying surface (12) and at least one pair of legs (13, 14), arranged so as to be rotatable in relation to the sitting surface (12), a sliding pin (30) which is displaceable in a sliding slot (22) of one leg (14) and is attached to the sitting surface (12), is held in each case in an opened-out position of the collapsible furniture (10) by means of a movable locking bolt (32). In this case, the sliding slot (22) can be of L-shaped construction. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Sitz- und/oder Liegemöbel nach dem Oberbegrift des Hauptanspruchs als Klappmöbel mit einer Sitz- und/oder Liegefläche und mindestens einem Paar gegenüber der Sitzfläche bewegbar angeordneter Beine und vorzugsweise mit einer an der Sitzfläche verschwenkbar angelenkten Rückenlehne.The invention relates to a seating and / or reclining furniture according to the preamble of the main claim as folding furniture with a seating and / or reclining surface and at least one pair of legs arranged to be movable relative to the seating surface and preferably with a backrest pivotably articulated on the seating surface.

Die US-PS 2,381,574 zeigt einen zusammenklappbaren Stuhl, dessen Sitzfläche schwenkbar an einem vorderen, ersten Paar von Beinen gelagert ist. Am hinteren Endbereich der Sitzfläche erstrecken sich seitlich Gleitzapfen, welche in einem Gleitstück gelagert sind, welches in einem an der Innenseite eines hinteren Paares von Beinen ausgebildeten Schlitz geführt ist. Der obere Bereich des Schlitzes ist verbreitert ausgebildet und weist eine Schulter auf, um das Gleitstück im Gebrauchszustand des Stuhls abzustützen. Eine Umschaltung erfolgt durch Schwerkrafteinfluß oder stoßweise Belastung des Stuhls, durch welche das Gleitstück relativ zu dem Gleitzapfen verdreht wird. Es erweist sich als besonders nachteilig, daß bereits geringfügige Erschütterungen des Stuhls ausreichen, um ein unbeabsichtigtes Zusammenklappen zu bewirken. Hieraus ergibt sich ein ganz erhebliches Gefahrenmoment. Ein weiterer Nachteil liegt darin, daß sich das Gleitstück bei einem gewünschten Zusammenlegen des Stuhls verkanten kann, so daß mehrfache Versuche erforderlich sind, um den Stuhl zusammenzuklappen.The US-PS 2,381,574 shows a collapsible chair, the seat of which is pivotally mounted on a front, first pair of legs. At the rear end region of the seat surface, sliding pegs extend laterally, which are mounted in a sliding piece which is guided in a slot formed on the inside of a rear pair of legs. The upper area of the slot is widened and has a shoulder to support the slider when the chair is in use. Switching takes place due to the influence of gravity or intermittent loading of the chair, by means of which the slide is rotated relative to the slide pin. It proves to be particularly disadvantageous that even slight vibrations in the chair are sufficient to cause the chair to collapse unintentionally. This results in a very significant danger. Another disadvantage is that the slider can tilt when the chair is folded, so that multiple attempts are required to fold the chair.

Die US-PS 4,162,806 beschreibt ebenfalls einen zusammenklappbaren Stuhl, bei welchem die hinteren Beine jeweils mit einem Schlitz versehen sind, welcher der Schlitzform der US-PS 2,381,574 ähnelt. Der Unterschied hierzu besteht lediglich darin, daß ein Gleitzapfen direkt in dem Schlitz geführt ist, welcher zur Verriegelung des Stuhls über die am oberen Ende des Schlitzes ausgebildete Schulter überführt werden muß. Auch durch diese Konstruktion ist keine Betriebssicherheit gewährleistet, es besteht stets die Gefahr, daß der Stuhl in unbeabsichtigter Weise zusammenklappt. Weiterhin ist die Betätigung und Verschiebung des Gleitzapfens zum gewünschten Zusammenlegen des Stuhls unpraktisch und birgt Verletzungsgefahren.US Pat. No. 4,162,806 also describes a collapsible chair in which the rear legs are each provided with a slot which corresponds to the slot shape of the US patent 2,381,574. The only difference is that a sliding pin is guided directly in the slot, which must be transferred over the shoulder formed at the upper end of the slot to lock the chair. This construction also does not guarantee operational safety, there is always the risk that the chair collapses unintentionally. Furthermore, the actuation and displacement of the sliding pin for the desired folding of the chair is impractical and involves the risk of injury.

Derartige Sitz- und/oder Liegemöbel allgemein bekannter Art zeigen den Nachteil, daß bei gewissen Handhabungen der Sessel oder die Liege unbeabsichtigt zusammenklappt, so daß Unfälle dabei auftreten können.Such seating and / or reclining furniture of a generally known type have the disadvantage that the chair or the bed unintentionally collapses with certain manipulations, so that accidents can occur.

Der Erfindung liegt die Aufgabe zugrunde, ein Sitz- und/oder Liegemöbel der eingangs genannten Art zu schaffen, welches bei einfachem Aufbau und einfacher, betriebssicherer Handhabbarkeit in der Benutzungsstellung sicher gegen ein unbeabsichtigtes Zusammenklappen gesperrt ist und andererseits in einfacher Weise zum Zusammenlegen zusammengeklappt werden kann.The invention has for its object to provide a seating and / or reclining furniture of the type mentioned, which is securely locked against unintentional folding in the use position with a simple structure and simple, reliable handling and on the other hand can be easily folded for folding .

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Hauptanspruchs gelöst, die Unteransprüche zeigen weitere vorteilhafte Ausgestaltungen der Erfindung.According to the invention the object is achieved by the features of the main claim, the subclaims show further advantageous embodiments of the invention.

Der Sperriegel ist in bevorzugter Weise federnd ausgebildet und einseitig an dem Bein befestigt; sein freies Ende steht im Bereich des Gleitzapfens, diesen festlegend, durch eine Ausnehmung in die Gleitbahn vor.The locking bolt is preferably resilient and attached to one side of the leg; its free end protrudes in the area of the sliding pin, which fixes it, through a recess in the slideway.

Dazu ist bei einer weiteren bevorzugten Ausführungsform die Gleitbahn L-förmig ausgebildet, wobei der kurze Schenkel, der Vorzugsweise abgewinkelt ist, den Gleitzapfen in Arretierstellung aufnimmt, wobei das freie Ende des Sperriegels in die Gleitbahn derart vorsteht, daß der Gleitzapfen nicht aus diesem kurzen Schenkel herausgleiten kann. Diese lösbare Sperrstellung verhindert ein unbeabsichtigtes Zusammenklappen des Möbels mit seinen bekannten nachteiligen Folgen.For this purpose, in a further preferred embodiment, the slide is L-shaped, the short leg, which is preferably angled, receives the slide pin in the locking position, the free end of the locking bolt protruding into the slide such that the slide pin does not come out of this short leg can slide out. This releasable locking position prevents the furniture from inadvertently collapsing with its known disadvantageous consequences.

Quer zum Sperriegel, der in Längsrichtung des Beines verläuft, ist ein Betätigungsriegel verschiebbar, der das freie Ende des elastischen Sperriegels senkrecht zur Längsrichtung des Beines in Sperr- oder Klappstellung hält.Transversely to the locking bar, which extends in the longitudinal direction of the leg, an actuating bar can be moved, which holds the free end of the elastic locking bar perpendicular to the longitudinal direction of the leg in the locking or folding position.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen:

Fig. 1
eine Seitenansicht eines Sitzmöbels in Form eines Klappstuhles;
Fig. 2
einen Längsschnitt durch eine Klappsicherung in Sperrstellung;
Fig. 3
einen Schnitt gemäß Linie III-III in Fig. 2;
Fig. 4
einen Längsschnitt durch die Klappsicherung in entriegelter Stellung;
Fig. 5
einen Schnitt gemäß Linie V-V in Fig. 4;
Fig. 6
eine Draufsicht von Fig. 4;
Fig. 7
eine Seitenansicht des Sperriegels;
Fig. 8
eine Draufsicht des Sperriegels;
Fig. 9
eine Seitenansicht des Betätigungsriegels;
Fig. 10
eine Draufsicht des Betätigungsriegels;
Fig. 11
einen Schnitt entsprechend dem der Fig. 3 mit einem abgewandelten Querschnitt des Beinprofilrohres, aber demselben Sperr- und Betätigungsriegel;
Fig. 12
einen Schnitt entsprechend dem der Fig. 3, jedoch mit einem weiteren abgewandelten Querschnitt des Beinprofilrohres, aber demselben Sperr- und Betätigungsriegel.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it:
Fig. 1
a side view of a piece of furniture in the form of a folding chair;
Fig. 2
a longitudinal section through a folding safety device in the locked position;
Fig. 3
a section along line III-III in Fig. 2;
Fig. 4
a longitudinal section through the folding lock in the unlocked position;
Fig. 5
a section along line VV in Fig. 4;
Fig. 6
a plan view of Fig. 4;
Fig. 7
a side view of the locking bolt;
Fig. 8
a top view of the locking bolt;
Fig. 9
a side view of the operating bolt;
Fig. 10
a plan view of the actuating bolt;
Fig. 11
a section corresponding to that of Figure 3 with a modified cross section of the leg profile tube, but the same locking and actuation bolt.
Fig. 12
a section corresponding to that of FIG. 3, but with a further modified cross section of the leg profile tube, but the same locking and actuation bolt.

In Fig. 1 ist beispielsweise eine Ausführungsform eines klappbaren Sitzmöbels (10) dargestellt. Dieses Sitzmöbel (10) weist eine Rückenlehne (11), eine daran angelenkten Sitzflächenteil (12) sowie ein Paar Vorderbeine (13) und ein Paar Hinterbeine (14) auf. Die Seitenansicht in Fig. 1 zeigt hierbei lediglich eines der Beinpaare.In Fig. 1, for example, an embodiment of a foldable seat (10) is shown. This seating furniture (10) has a backrest (11), a seat part (12) articulated thereon and a pair of front legs (13) and a pair of rear legs (14). The side view in FIG. 1 shows only one of the pairs of legs.

Die Rückenlehne (11) ist über zwei Drehgelenke am Sitzflächenteil (12) schwenkbeweglich angelenkt, wobei in Fig. 1 lediglich eines der Drehgelenke (15) dargestellt ist, die üblicherweise aus jeweils einem Zapfen bestehen, der Ausnehmungen in einem gabelartig ausgebildeten Endbereich des Sitzflächenteiles sowie eine Ausnehmung in je einer Lasche der Rückenlehne durchgreift, die in den gabelartigen Endbereich eingeführt ist (nicht dargestellt).The backrest (11) is pivotally articulated via two swivel joints on the seat part (12), only one of the swivel joints (15) is shown in Fig. 1, which usually consist of a pin each, the recesses in a fork-shaped end portion of the seat part and passes through a recess in each tab of the backrest, which is inserted into the fork-like end region (not shown).

Ferner verdeutlicht Fig. 1, daß jedes Vorderbein (13) über ein Drehgelenk (16) mit den entsprechenden Hinterbeinen (14) schwenkbeweglich verbunden ist, wobei das Drehgelenk (16) im Bereich oberer Endabschnitte (17) bzw. (18) des Vorder- bzw. Hinterbeines (13) bzw. (14) angeordnet ist. Hieraus ergibt sich die aus Fig. 1 im einzelnen ersichtlich umgekehrte V-förmige Anordnung der Vorder- und Hinterbeine (13, 14), wenn sich das Sitzmöbel (10) in der in Fig. 1 gezeigten Gebrauchsstellung befindet.1 also shows that each front leg (13) is pivotally connected to the corresponding rear legs (14) via a swivel joint (16), the swivel joint (16) in the region of upper end sections (17) and (18) of the front or rear leg (13) or (14) is arranged. This results in the inverted V-shaped arrangement of the front and rear legs (13, 14) shown in FIG. 1 when the seating furniture (10) is in the position of use shown in FIG. 1.

Die Vorderbeine (13) bzw. Hinterbeine (14) sind jeweils außen an den Längsseiten (19) des Sitzflächenteiles (12) angelenkt, so daß das Sitzflächenteil (12) zwischen den Beinpaaren liegt.The front legs (13) and rear legs (14) are each articulated on the outside on the long sides (19) of the seat part (12), so that the seat part (12) lies between the pairs of legs.

Das Sitzmöbel (10) hat bei der dargestellten Ausführungsform ferner ein Paar von Armlehnen (20), von dem wiederum aufgrund der gewählten Seitenansicht nur eine Armlehne sichtbar ist. Jede dieser Armlehnen (20) ist über ein weiteres Drehgelenk (21) an der Längsaußenseite der Rückenlehne (11) angelenkt und stütz sich in der in Fig. 1 gezeigten Gebrauchsstellung auf den oberen Endabschnitten (17) bzw. (18) der Vorderbeine (13) und Hinterbeine (14) ab.In the embodiment shown, the seating furniture (10) also has a pair of armrests (20), of which only one armrest is visible due to the selected side view. Each of these armrests (20) is articulated via a further swivel joint (21) on the longitudinal outside of the backrest (11) and is supported in the position of use shown in FIG. 1 on the upper end sections (17) and (18) of the front legs (13 ) and hind legs (14).

Die Armlehnen (20) können als unten offene Hohlprofile ausgebildet sein, die mit einer Mehrzahl von Rasten an der Unterseite der Auflagefläche der Armlehnen (20) versehen sein können, die weiderum mit einem Zapfen auf der Oberseite der Endabschnitte (17) bzw. (18) zusammenwirken, so daß eine stufenweise Neigungseinstellung der Rückelehne (11) möglich ist (nicht dargestellt).The armrests (20) can be designed as hollow profiles open at the bottom, which can be provided with a plurality of catches on the underside of the bearing surface of the armrests (20), which in turn have a pin on the top of the end sections (17) and (18 ) cooperate so that a gradual inclination adjustment of the backrest (11) is possible (not shown).

Wie Fig. 1 ferner verdeutlicht, sind in die Hinterbeine (14) jeweils eine Führung in Form eines längsverlaufenden Gleitschlitzes (22) eingearbeitet, wobei die Gleitschlitze (22) jeweils auf den einander zugewandten Innenseiten (23) der Hinterbeine (14) angeordnet sind. Diese Gleitschlitze (22) verlaufen in einem Bereich auf den Innenseiten (23) der Hinterbeine (14), der ungefähr im mittleren Abschnitt beginnt und bis in das untere Drittel der Hinterbeine (14) reicht.As further illustrated in FIG. 1, a guide in the form of a longitudinal sliding slot (22) is incorporated into each of the rear legs (14), the sliding slots (22) being arranged on the mutually facing inner sides (23) of the rear legs (14). These sliding slots (22) run in an area on the inner sides (23) of the rear legs (14), which begins approximately in the middle section and extends into the lower third of the rear legs (14).

Die beiden Gleitschlitze (22), von denen aufgrund der in Fig. 1 gewählten Seitendarstellung ebenfalls nur ein Schlitz zu sehen ist, sind identisch ausgebildet, so daß bei der nachfolgenden Beschreibung lediglich auf den in Fig. 1 sichtbaren Gleitschlitz (22) Bezug genommen ist.The two sliding slots (22), of which only one slot can also be seen due to the side view selected in FIG. 1, are of identical design, so that in the following description only reference is made to the sliding slot (22) visible in FIG. 1 .

Jeder Gleitschlitz (22) ist wannenförmig mit etwa U-förmigem Querschnitt ausgebildet und kann durch von der Innenseite (23) nach innen abstehende Stegen (43) ausgebildet sein, die einstückig mit dem kastenförmigen Hinterbein (14) in dessen Längsrichtung verbunden sind. Hierbei ist ein oberer Endabschnitt (24) im Hinterbein gebildet, der in etwa horizontal verzugsweise jedoch gering nach unter geneigt (abgewinkelt) angeordnet ist und etwa bis in den Bereich einer Vorderkante (25) des Hinterbeines (14) verläuft. An diesem oberen Endabschnitt (24) schließt sich ein langgestreckter gerader Mittelabschnitt (26) an, der parallel zur Längsachse des Hinterbeines (14) bzw. parallel zu seiner Hinterkante (27) in deren unmittelbarer Nachbarschaft verläuft. Dieser Mittelabschnitt (26) geht wiederum in einen unteren geneigten Endabschnitt (28) über, der, wie Fig. 1 zeigt, bei aufgestelltem Sitzmöbel (10) im wesentlichen in einem rechten Winkel zur Aufstandsfläche (29) nach unten weisend angeordnet ist. Hierbei endet der untere Endabschnitt (28) im Bereich der Vorderkante (25) des Hinterbeines (14) (vgl. Fig. 1). Die Länge eines Gleitschlitzes (22) beträgt in gerader Richtung zwischen dem abgewinkelten Endabschnitt (24) und dem unteren geneigten Endabschnitt (28) gemessen ungefähr etwa 1/3 der Gesamt länge des Hinterbeines (14). Die Länge eines Gleitschlitzes (22) kann jedoch an die Geometrie und Abmessung des jeweiligen Sitz- oder Liegemöbels angepaßt sein und ist so gewählt, daß zum einem eine standsichere Gebrauchsposition und zum anderen eine sehr platzsparende Aufbewahrungsstellung erreichbar ist, in der insbesondere die Rückenlehne (11) dicht auf dem Sitzflächenteil (12) aufliegt. Dieses wird insbesondere durch den unteren Endabschnitt (28) des Gleitschlitzes (22) und dessen Anordnung und Länge erreicht.Each slide slot (22) is trough-shaped with an approximately U-shaped cross section and can be formed by webs (43) projecting inwards from the inside (23), which are integrally connected to the box-shaped rear leg (14) in its longitudinal direction. In this case, an upper end section (24) is formed in the rear leg, which is arranged approximately horizontally but slightly inclined (angled) downward and extends approximately to the area of a front edge (25) of the rear leg (14). This upper end section (24) is adjoined by an elongated straight middle section (26) which runs parallel to the longitudinal axis of the rear leg (14) or parallel to its rear edge (27) in its immediate vicinity. This middle section (26) in turn merges into a lower inclined end section (28) which, as shown in FIG Seating (10) is arranged essentially at a right angle to the contact surface (29) pointing downwards. Here, the lower end section (28) ends in the region of the front edge (25) of the rear leg (14) (cf. FIG. 1). The length of a sliding slot (22) measured in a straight direction between the angled end portion (24) and the lower inclined end portion (28) is approximately about 1/3 of the total length of the rear leg (14). The length of a sliding slot (22) can, however, be adapted to the geometry and dimensions of the respective seating or reclining furniture and is selected so that on the one hand a stable use position and on the other hand a very space-saving storage position can be reached, in which the backrest (11 ) lies tightly on the seat part (12). This is achieved in particular by the lower end section (28) of the sliding slot (22) and its arrangement and length.

Das Sitzflächenteil (12) weist ferner zwei nach außen vorstehende Gleitzapfen (30) auf, die unterhalb des Drehgelenkes (15) angeordnet sind, von denen in Fig. 1 wiederum ein Gleitzapfen (30) gezeigt ist. Die Gleitzapfen (30) greifen in die Gleitschlitze (22) ein, wobei in der in Fig. 1 dargestellten Position des Sitzmöbels (10) der Gleitzapfen (30) im oberen abgewinkelten Endabschnitt (24) des Gleitschlitzes (22) angeordnet ist. Hierbei wirkt aufgrund des horizontalen bzw. leicht nach unten geneigten Verlaufes des Endabschnittes (24) und der im wesentlichen umgekehrt V-förmigen Anordnung der Beine des Liegemöbels (10) eine Kraft von der auf dem Möbel sitzenden Person aus, die den Gleitzapfen (30) in den der Vorderkante (25) benachbarten abgewinkelten Endbereich des Endabschnittes (24) eindrückt.The seat part (12) also has two outwardly projecting sliding pins (30) which are arranged below the swivel joint (15), of which in turn a sliding pin (30) is shown in FIG. 1. The slide pins (30) engage in the slide slots (22), the slide pin (30) being arranged in the upper angled end section (24) of the slide slot (22) in the position of the seating (10) shown in FIG. 1. Due to the horizontal or slightly downward slope of the end section (24) and the essentially inverted V-shaped arrangement of the legs of the reclining furniture (10), a force acts on the person sitting on the piece of furniture which pulls the sliding pin (30) presses into the angled end region of the end section (24) adjacent to the front edge (25).

Diese konstruktive Ausbildung bietet einen gewissen guten Schutz gegen unerwünschtes Herausdrücken des Gleitzapfens (30) aus dem oberen Endabschnitt (24) und damit ein unerwünschtes Zusammenklappen des Sitzmöbels (10).This constructive training offers a certain good protection against undesired pressing out of the sliding pin (30) from the upper end section (24) and thus an undesired folding of the seating furniture (10).

Um jedoch selbst bei einem unerwartet herausgedrückten Gleitzapfen (30) aus dem Gleitschlitz (22) ein Zusammenklappen des Sitzmöbels (10) zu verhindern, ist in dem in den oberen Endbereich (24) übergehenden Bereich des Mittelabschnittes (26) des Gleitschlitzes (22) eine Klappsicherung (31) angeordnet, die mittels eines einen Sperriegel (32) beaufschlagenden Betätigungsriegels (33) wirksam ist.However, in order to prevent the seating furniture (10) from collapsing even when the sliding pin (30) is pushed out unexpectedly from the sliding slot (22), there is one in the area of the middle section (26) of the sliding slot (22) which transitions into the upper end area (24) Folding lock (31) is arranged, which is effective by means of an actuating bolt (33) acting on a locking bolt (32).

Dieser elastische Sperriegel (32) erstreckt sich in Längsrichtung des Gleitschlitzes (22) und ist im Inneren eines der beiden als Profilrohre ausgebildeten Hinterbeine (14) auf der von dem Gleitschlitz wegweisenden Oberflächenseite eines Führungsgrundes (34) mittels einer Schraube (35) lösbar befestigt und hat eine geringe Bogenform in seiner gem. Fig. 7 dargestellen Seitenansicht. Endseitig steht dazu eine Wulst (36) auf der Oberflächenseite des Sperriegels (32) - einstückig mit diesem ausgebildet - vor, welche die von der offenen Seite der Führung (22) her durch den Führungsgrund (34) durchgestreckte, den Sperriegel (32) lösbar befestigte Schraube (35) aufnimmt. Die andere obere Endseite des Sperrriegels (32) zweigt einen in etwa um 90 ° angewinkelten Bereich (37), an den sich rechtwinklig eine äußere Nase (38) einstückig anschließt. Im mittleren Bereich des Sperriegels (32) ist eine - eine Aufnahmeausnehmung (39) bildende - Nut (40) vorgesehen, wobei der Grund (41) der Ausnehmung einen in etwa V-förmigen Querschnitt hat und bei in das Hinterbein (14) eingesetztem Sperriegel die Ausnehmung (39) selbst quer zur Längsrichtung des Gleitschlitzes (22) verläuft.This elastic locking bolt (32) extends in the longitudinal direction of the sliding slot (22) and is detachably fastened in the interior of one of the two rear legs (14) designed as profile tubes on the surface side of a guide base (34) facing away from the sliding slot and has a slight arch shape in its gem. Fig. 7 shown side view. At the end there is a bulge (36) on the surface side of the locking bolt (32) - formed in one piece with it - which removes the locking bolt (32) which extends from the open side of the guide (22) through the guide base (34) attached screw (35). The other upper end side of the locking bolt (32) branches into an area (37) which is angled at approximately 90 ° and to which an outer nose (38) is integrally connected at right angles. In the central area of the locking bolt (32) there is a groove (40) forming a receiving recess (39), the base (41) of the recess having an approximately V-shaped cross section and with the locking bolt inserted into the rear leg (14) the recess (39) itself runs transversely to the longitudinal direction of the sliding slot (22).

Der Führungsgrund (34) ist mit einer - diesen im oberen Endabschnitt (24) durchdringenden und in Längsrichtung des Gleitschlitzes (22) verlaufenden - rechteckigen Ausnehmung (42) ausgestattet. Bei im Hinterbein (14) mit dem Führungsgrund (34) lösbar befestigtem Sperriegel (32) greift der obere Bereich des Sperriegels (32) zwischen Nut (40) und dem abgewinkelten Bereich (37) durch diese Ausnehmung (42) in den Gleitschlitz (22) im Bereich des oberen Endabschnittes (24) ein, wobei die Nase (38) den Grund (34) im Endbereich der Ausnehmung (42) hintergreift. Die in den Steg (43) des Gleitschlitzes (22) übergehende Wandung jedes Hinterbeines (14) hat (wie der Steg (43) selbst) eine Schlitz (44, 45). Durch diese Schlitze (44, 45) ist jeweils ein im Querschnitt in etwa U-förmig ausgebildeter Betätigungsriegel (33) und zwar vorzugsweise in einem Winkel von 90 ° zur Längsrichtung des Gleitschlitzes (22) einsteckbar. Der in den Bereich des Gleitschlitzes (22) ragende Schenkel (46) des Betätigungsriegels (33) ist dabei an seinem Ende pfeilförmig ausgebildet. Hierdurch ergeben sich Anlaufschrägen (47) für den Gleitzapfen (30).The guide base (34) is provided with a rectangular recess (42) which penetrates this in the upper end section (24) and extends in the longitudinal direction of the sliding slot (22). When the locking bolt (32) is detachably fastened in the rear leg (14) with the guide base (34), the upper region of the locking bolt (32) engages between the groove (40) and the angled region (37) through this recess (42) into the sliding slot (22 ) in the area of the upper end section (24), the nose (38) the bottom (34) in the end area engages the recess (42). The wall of each rear leg (14) which merges into the web (43) of the sliding slot (22) (like the web (43) itself) has a slot (44, 45). Through these slots (44, 45), an actuating bolt (33) with an approximately U-shaped cross section can be inserted, preferably at an angle of 90 ° to the longitudinal direction of the sliding slot (22). The leg (46) of the actuating bolt (33) protruding into the area of the sliding slot (22) is arrow-shaped at its end. This results in bevels (47) for the sliding pin (30).

Das freie Ende eines in den hohlen Innenraum des Hinterbeines (14) einsteckbaren Schenkels (48) des Betätigungsriegels (33) ist doppelt V-förmig ausgebildet. Vom Anfang des Schenkels (48) her gesehen, ist dieser durch die nach innen hin offene V-Form mit einer Auflaufschräge (49) versehen, die den elastischen Sperriegel (32) beim Einstecken an seinem freien Ende herunterdrückt. Diese nach innen hin offene V-Form geht in eine nach außen hin offene Form über, in die der im Querschnitt in etwa dreiecksförmige Grund (41) der Aufnahmeausnehmung (39) bei weiterer Einschiebebewegung des Betätigungsriegels (33) federnd einrastet. Der Sperriegel (32) befindet sich nunmehr in seiner Verriegelungsstellung, so daß ein Zusammenklappen des Sitzmöbels (10) nicht möglich ist, da der Gleitzapfen (30) festgelegt ist.The free end of a leg (48) of the actuating bolt (33) which can be inserted into the hollow interior of the rear leg (14) has a double V-shape. Seen from the beginning of the leg (48), it is provided with a ramp (49) due to the inward open V-shape, which presses the elastic locking bolt (32) down at its free end when inserted. This inwardly open V-shape merges into an outwardly open shape into which the cross-sectionally approximately triangular base (41) of the receiving recess (39) snaps into place when the actuating bolt (33) is moved in further. The locking bolt (32) is now in its locking position, so that folding the seat (10) is not possible because the sliding pin (30) is fixed.

Zur Entriegelung wird der Betätigungsriegel (33) nicht ganz in das Hinterbein (14) eingeschoben bzw. eingestreckt. Dabei wird - bedingt durch die nach außen hin offene V-Form- der Sperriegel (32) weiter nach außen gedrückt. An die doppel-V-förmige Ausbildung des zweiten Schenkels (48) des U-förmig ausgebildeten Betätigungsriegels schließt sich eine nach außen weisende V-förmige Einkerbung (51) an, in welche die Spitze des im Querschnitt in etwa dreiecksförmige ausgebildeten Grundes (41) der Aufnahmeausnehmung (39) rastend einfedert. In dieser Stellung hat der Sperriegel (32) den Gleitschlitz (22) verlassen. Es steht zwar jetzt der erste Schenkel (46) in den Bereich des Gleitschlitzes (22) bis zu dessen Mitte hin in etwa vor. Dieser ist jedoch, wie schon oben beschrieben, an seinem freien Schenkelende mit der Anlaufschräge (47) versehen, so daß bei einer Zusammenklappbewegung des Sitzmöbels (10) der Gleitzapfen (30) diesen Schenkel (46) zurückdrückt und bei weiterem Zusammenklappen dieser erste Schenkel (46) wieder in seine Ausgangslage zurückfedert.For unlocking, the actuating bolt (33) is not fully inserted or stretched into the rear leg (14). Due to the V-shape, which is open to the outside, the locking bolt (32) is pressed further out. The double V-shaped design of the second leg (48) of the U-shaped actuating bolt is followed by an outwardly pointing V-shaped notch (51) into which the tip of the base (41), which is approximately triangular in cross section. deflects the receiving recess (39) into place. In this position, the locking bolt (32) has left the sliding slot (22). The first leg is now (46) in the area of the sliding slot (22) up to the middle of it approximately. However, as already described above, this is provided with the run-on bevel (47) on its free leg end, so that when the seating furniture (10) collapses, the sliding pin (30) pushes back this leg (46) and, when collapsed further, this first leg ( 46) springs back to its starting position.

Soll die Klappsicherung (31) wieder in ihre Sperrstellung bzw. Verriegelungsstellung gebracht werden, so wird der Betätigungsriegel (33) wieder herausgezogen und in die in Fig. 3 dargestellte Position bewegt, wobei diese Bewegung durch eine zum Inneren des Betätigungsriegels (33), sich an des nach außen offene V-förmig ausgebildete Ende des zweiten Schenkels (48) hin anschließende Nase (50) gestoppt wird. Der Betätigungsriegel ist somit unlösbar mit dem Hinterbein (14) bzw. darin angeordneten Gleitschlitz (22) verbunden.If the folding safety device (31) is to be brought back into its locking position or locking position, the actuating latch (33) is pulled out again and moved into the position shown in FIG. 3, this movement being caused by an interior of the actuating latch (33) at the outwardly open V-shaped end of the second leg (48) adjoining nose (50) is stopped. The actuating bolt is thus non-detachably connected to the rear leg (14) or the slide slot (22) arranged therein.

Die Fig. 11 und 12 zeigen denselben erfindungsgemäßen Sperrriegel (32) mit dem ihn beaufschlagenden Betätigungsriegel (33), jedoch bei unterschiedlichen Profilen von Hinterbeinen (14) mit darauf auch unterschiedlich angeordneten Führungsbahnen. Die durch Sperriegel (32) und Betätigungsriegel (33) gekennzeichnete Klappsicherung (31) ist für Sitz- und/oder Liegemöbel mit unterschiedlichsten Profilgrößen verwendbar.11 and 12 show the same locking bolt (32) according to the invention with the actuating bolt (33) acting on it, but with different profiles of rear legs (14) with guideways also arranged differently thereon. The folding lock (31), which is identified by a locking bolt (32) and actuating bolt (33), can be used for seating and / or reclining furniture with a wide variety of profile sizes.

Claims (9)

  1. Furniture for sitting and/or lying having a collapsible frame, having a sitting and/or lying surface (12) and at least a first pair of legs (13) pivoted laterally on the sitting and/or lying surface (12) relative thereto, having a second pair of legs (14), the upper end region of which is pivoted on the first pair of legs (13), having lateral sliding pins (30), which extend from the sitting and/or lying surface (12) and are guided in sliding slots (22), which are constructed on the inside of the second pair of legs (14), whereby the upper end region (24) of the sliding slot (22) is constructed angled and in a locking position houses the sliding pin (30),
    characterised in that at the upper end region (2) of the sliding slot (22) on at least one leg (14) is disposed a locking bar (32), which can be manually inserted from the outside of the leg (14) into the sliding slot (22) in a detachable manner.
  2. Furniture according to Claim 1,
    characterised in that the elastic locking bar (32) is attached with one of its ends to the leg (14) and with its other angled end (37) can be inserted into a recess (42) in the leg (14).
  3. Furniture according to one of Claims 1 or 2,
    characterised in that in its central region the locking bar (32) comprises a groove (40), in which an actuating bar (33) which can move at right angles to the locking bar (32) is mounted.
  4. Furniture according to one of Claims 1 to 3,
    characterised in that the locking bar (32) is bent in an S shape (37, 38) at its free end.
  5. Furniture according to one of Claims 3 to 4,
    characterised in that a longer arm (48) of the actuating bar (33) is displaceably mounted inside a cavity passing through the leg (14).
  6. Furniture according to one of Claims 3 to 5,
    characterised in that the actuating bar (33) is constructed in a U shape and its longer arm is provided with angled portions (49, 50, 51), which can be inserted alternately into a recess (39) formed by the groove (40) of the locking bar (32) whilst altering the position of the locking bar (32).
  7. Furniture according to Claim 6,
    characterised in that at the inner end of the angled portion the actuating bar (32) comprises a projection (50) and a notch (51).
  8. Furniture according to one of Claims 6 or 7,
    characterised in that the shorter arm (46) of the actuating bar (33) is provided with lateral sloping faces (47).
  9. Furniture according to one of Claims 1 to 8,
    characterised in that at its free end the locking bar (32) is flat and at its part (41) forming the groove (40) it is constructed in the shape of a triangle, the point of which can be inserted alternately in the angled portions of the actuating bar (33).
EP90103511A 1989-08-10 1990-02-23 Furniture for sitting and/or lying Expired - Lifetime EP0412239B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3926406 1989-08-10
DE3926406A DE3926406A1 (en) 1989-08-10 1989-08-10 SEAT AND / OR LOUNGE FURNITURE

Publications (2)

Publication Number Publication Date
EP0412239A1 EP0412239A1 (en) 1991-02-13
EP0412239B1 true EP0412239B1 (en) 1994-06-22

Family

ID=6386845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103511A Expired - Lifetime EP0412239B1 (en) 1989-08-10 1990-02-23 Furniture for sitting and/or lying

Country Status (5)

Country Link
EP (1) EP0412239B1 (en)
AT (1) ATE107483T1 (en)
DE (2) DE3926406A1 (en)
DK (1) DK0412239T3 (en)
ES (1) ES2058635T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE280524T1 (en) * 2000-02-28 2004-11-15 B T Furnishing Sdn Bhd FOLDING CHAIR
EP1290962A3 (en) * 2001-09-06 2003-12-03 Borneo Tsang Furnishing SDN BHD Automatic locking multi position chair

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2381574A (en) * 1943-05-06 1945-08-07 Abe J Jacobson Locking device for folding chairs
DE1778299U (en) * 1958-07-14 1958-11-27 Albert Spieth FOLDING CHAIR.
US4162806A (en) * 1977-12-16 1979-07-31 Cho Yush Chye Safety folding chair
NL8403070A (en) * 1984-10-09 1986-05-01 Ubbink Roosendaal B V Adjustable folding garden chair - has seat height adjusted by varying angle between front and rear legs
DE8434318U1 (en) * 1984-11-23 1985-05-23 Heinz Kettler Metallwarenfabrik Gmbh & Co, 4763 Ense FOLDING ARMCHAIR
DE3725649C1 (en) * 1987-08-03 1988-09-01 Bemico Enschede B.V., Enschede, Nl Foldable chair with latch preventing accidental collapse - comprises key-operated transverse bolt to block legs in spread position beneath seat
FR2647321B1 (en) * 1989-05-25 1991-09-13 Grosfillex Sarl DEVICE FOR ADJUSTABLE AND ADJUSTABLE RECLINING OF THE BACKREST AND SEAT OF AN ARMCHAIR

Also Published As

Publication number Publication date
ES2058635T3 (en) 1994-11-01
ATE107483T1 (en) 1994-07-15
DE3926406A1 (en) 1990-09-06
DE59006190D1 (en) 1994-07-28
EP0412239A1 (en) 1991-02-13
DK0412239T3 (en) 1994-07-25

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