EP0264607B1 - Folding piece of furniture - Google Patents

Folding piece of furniture Download PDF

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Publication number
EP0264607B1
EP0264607B1 EP87113192A EP87113192A EP0264607B1 EP 0264607 B1 EP0264607 B1 EP 0264607B1 EP 87113192 A EP87113192 A EP 87113192A EP 87113192 A EP87113192 A EP 87113192A EP 0264607 B1 EP0264607 B1 EP 0264607B1
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EP
European Patent Office
Prior art keywords
seat
folding
leg
folding piece
furniture
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
Application number
EP87113192A
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German (de)
French (fr)
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EP0264607A3 (en
EP0264607A2 (en
Inventor
Oswald Brunn
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Individual
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Individual
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Publication date
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Priority to AT87113192T priority Critical patent/ATE75382T1/en
Publication of EP0264607A2 publication Critical patent/EP0264607A2/en
Publication of EP0264607A3 publication Critical patent/EP0264607A3/en
Application granted granted Critical
Publication of EP0264607B1 publication Critical patent/EP0264607B1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/08—Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/14—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs
    • A47C4/16—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs of adjustable type

Definitions

  • the invention relates to folding furniture according to the preamble of patent claim 1.
  • Folding furniture according to the preamble of the claim is known from US-A-2 294 340.
  • the front pair of legs is articulated directly on a device projecting downwards and the rear pair of legs can be moved in a guide groove by means of additional guide lugs with inserted guide pins.
  • the seat angle cannot be adjusted.
  • US Pat. No. 2,824,600 describes a folding piece of furniture in which latching grooves are formed on the underside of the seat surface, as a result of which the height of the chair, in particular the height of the seat surface the chair is adjustable. An inclination adjustment of the seat can not be achieved.
  • the invention has for its object to improve a folding furniture of the type mentioned in such a way that the inclination of the seat is adjustable, and the folding furniture can be folded as compact as possible for storage purposes.
  • the folding furniture or the folding stool has the advantage that its seat is easily adjustable in terms of inclination and, despite this adjustability, the folding furniture has the smallest space requirement when folded.
  • the seat is advantageously completely between the pairs of legs parallel to each other.
  • the pair of legs which can be latched in different grooves is firmly locked, so that folding of the folding furniture is prevented by inadvertent displacement or touch.
  • the folding furniture can advantageously be made of wood and requires a comparatively small number of parts. Furthermore, the folding furniture can be designed to be used as seating with a backrest by simply placing a backrest.
  • the folding furniture according to the invention hereinafter referred to as a folding stool, has, as usual, a seat designated by 1 and two pairs of legs.
  • the legs of the one pair of legs, preferably the front pair, are denoted by 3 in FIG.
  • the mutually associated legs 2, 3 of the two pairs of legs are, as can be seen from FIG. 1, rotatably connected to one another by a joint 4, preferably in the form of a hinge.
  • a joint 4 preferably in the form of a hinge.
  • the axis of rotation of the two legs 2, 3 assigned to one another is defined by a bearing pin 5 of the joint 4, so that in this embodiment the axis of rotation or swivel axis between each leg 2, 3 at its upper end is set.
  • a stabilizing cross strut 7 or 8 is provided between each pair of legs.
  • a device designated 10 is provided, which according to a preferred embodiment consists of a pair of plates 10.
  • Each plate 10 is preferably attached to the side frame 11 of the seat 1 and has a bearing sleeve 12 which serves to receive a bearing pin or a lens screw 13 and in the latter case is provided with an internal thread for holding the screw.
  • An external thread of the bearing sleeve serves for its fixed arrangement in the associated bore (not designated) of the respective plate 10.
  • the head of the screw 13 overlaps the associated bore in the leg 2, the screw 13 runs through the leg 2 and is in the sleeve 12 screwed, which sits firmly in the plate 10.
  • the screw can be screwed into and out of the sleeve 12. It is also possible to use any other bearing device which enables a rotational movement between the leg 2 and the plate 10 and which in the assembled state causes the legs 2 to move laterally from the plates 10 prevented away.
  • each leg 3 is supported by a guide pin 15 or the like, which is preferably firmly inserted into the associated leg 3 and inwards, i.e. points in the direction of the plate 10, along a guide groove 16.
  • the guide groove 16 essentially consists of three areas, namely an essentially straight area 16a, on the left in FIG. 1, an area 16b with two or more locking grooves 18a, 18b, 18c etc. connects.
  • the guide groove 16 merges into an area 16c which has an arcuate shape.
  • the locking grooves 18a etc. are essentially one above the other.
  • Fig. 2 shows a side view of the folding stool in the almost folded state. If the folding stool is folded from the position shown in FIG. 1 by pivoting the pair of legs 3 clockwise about the pin 5 onto the pair of legs 2, the guide element 15 slides out of the respective latching groove 18a or 18b etc. into the largely straight region 16a until the two pairs of legs 2, 3 as shown in FIG. 2 reach a position parallel to one another. As soon as the two pairs of legs 2, 3 shown in FIG. 2 have reached parallelism, the guide element 15 reaches the region 16b which runs in the form of a circular arc, as a result of which the seat surface 1 can be rotated downward in the direction of arrow B in FIG the pairs of legs 2, 3 come to lie between them.
  • the arcuate guide groove region 16c is moved clockwise, while the guide element 15 remains stationary and thereby a sliding movement between the guide element 15 and the groove area 16c to the end of the arcuate groove.
  • the circular arc-shaped guide groove area 16c lies on a circle around the axis of rotation defined by the sleeve 12, the radius of the circular arc of the groove section 16c about this axis of rotation being the distance between the axis of the sleeve 12 and that of the guide element 15 corresponds.
  • Fig. 3 shows details of a preferred guide element 15, or the like from a sleeve 22 with internal and external thread, a grub screw 15a and a knurled head 20.
  • the setscrew 15a is screwed through the threaded sleeve 22, which is provided in each of the two legs 3.
  • the threaded sleeve 22 can preferably have a length that is greater than the thickness of the leg 3, so that the threaded sleeve 22 engages with its end facing the plate 10 in the guide groove 16 and serves as a guide element opposite the guide groove 16.
  • the set screw in this case has the task of engaging in a recess at the end of each locking groove 18a, 18b when latching into one of the locking grooves 18a, etc., the recessing of the locking grooves being indicated by reference numeral 24 in FIG. 3.
  • This has the advantage that when the folding stool is unfolded and the threaded sleeve 22 engages in one of the locking grooves 18a, 18b etc. by means of the knurled head 20 or the like.
  • the grub screw 15a can be turned forward until it engages in the recess 24a, 24b etc. of the associated locking groove 18a, 18b etc. and thereby prevents the sleeve 22 from being disengaged from this locking groove.
  • the pin 15a can take over the guide function along the guide groove 16 if it is circumferentially smooth over its length engaging in the guide groove 16, ie it is designed without an external thread and the sleeve 22 does not protrude from the leg 3, that is to say it has a length corresponding to the plate thickness.
  • a recess corresponding to the recess 24 can be provided on the end of the guide region 16c facing away from the guide groove region 16 with the purpose of locking the folding stool in a position in which the pairs of legs 2, 3 reach the parallel position shown in FIG. 2 have and the seat 1 is folded in the direction of arrow B in Fig. 2 in the plane of the pairs of legs 2, 3. In this way it can be achieved that an unintentional opening of the folding stool, for example during its transportation, is prevented.
  • Fig. 1 shows the folding stool in an operational position, in which the guide element 15 or 22 snap into the lowest locking groove 18a, so that the seat 1 is aligned substantially horizontally. If the guide element 15 or 22 is snapped into one of the overlying locking grooves 18b, 18c etc., a more or less strong inclination of the seat surface 1 with respect to the horizontal is achieved.
  • the two pairs of legs 2, 3 have to be moved slightly towards one another so that the guide element 15 can be moved out of the locking groove 18a, then upwards and into the locking groove 18b or 18c.
  • the seat 1 carries out a pivoting movement in the direction of arrow A.
  • the folding stool can immediately be brought into the fully folded state, provided that the setscrew 15a in the embodiment according to FIG. 3 does not engage in one of the recesses 24, so that the guide element 15 is displaced, for example, from the latching groove 18c in the locking groove 18a is omitted and the guide pin 15 from the locking groove 18c immediately in the Area 16a and then relocated to area 16c.
  • the bearings 12, 13 and the guide pin 15 are approximately at the same height.
  • the size of the seat 1 and the arrangement of the cross struts 7, 8 is such that there is sufficient space between the upper edge of the legs 2, 3 in Fig. 2 and the cross struts 7, 8 to pivot the seat 1 in this To allow space.
  • FIG 1 and 2 show, in the embodiment shown, a support element 26 is fastened to the upper end face of the legs 3, on which the upper end face of the leg 2 comes into contact when the folding stool is opened.
  • the folding stool can be used particularly advantageously as an additional part to the chair according to patent application P 36 07 581 or P 36 07 619 and enables optimal adjustment to the body shape of his with differently adjusted folding furniture or folding armchair Use as a footrest.
  • Fig. 4 shows the use of the folding stool according to the invention in connection with a folding armchair, preferably with a folding armchair according to patent application P 36 07 581 or P 36 07 619. From Fig.
  • an additionally slidable backrest part can be applied to the seat surface 1, for example in the form of the element 34 shown in dashed lines in FIG. 1.
  • Support parts 36, 37 which surround the seat surface 1 or the side frame 11 of the seat surface 1 and support the backrest 34 with respect to the side frame 11 by a clamping action.
  • the folding stool according to the invention with an adjustable seat 1 can also be used as a stool with a backrest, the backrest being adjustable in inclination together with the seat 1.
  • the backrest 34 is pushed onto the seat 1 from the right.
  • the backrest 34 is preferably placed on the seat surface 1 from the left and in this way allows a comfortable adjustment of the backrest inclination with a corresponding adjustment of the inclination of the seat surface 1.
  • the backrest is at a short distance from the adjustment or locking mechanism, which is formed from the elements 15, 18.
  • the folding furniture according to the invention can also be used particularly advantageously as a footrest, e.g. B. to couch sets or the like.
  • the surface 1 can optionally be padded or provided with a covering or the like and serves as a foot support surface.

Abstract

Folding piece of furniture, in particular folding stool, which comprises a seat face and leg pairs arranged laterally of the seat face. The seat face is provided with a means for mounting one of the two leg pairs and for guiding the other leg pair. These means permit an adjustment of the inclination of the seat face with respect to the second leg pair and also permit the collapsible piece of furniture to be folded up into an extremely compact form.

Description

Die Erfindung betrifft ein Klappmöbel gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to folding furniture according to the preamble of patent claim 1.

Ein Klappmöbel entsprechend dem Oberbegriff des Patentanspruchs ist aus der US-A-2 294 340 bekannt. Bei diesem Klappmöbel ist das vordere Beinpaar direkt an einer nach unten abstehenden Einrichtung gelenkig gelagert und das hintere Beinpaar ist über zusätzliche Führungslaschen mit eingesetzten Führungsstiften in einer Führungsnut verschiebbar. Bei einem Klappmöbel dieser Art läßt sich die Sitzneigung nicht verstellen.Folding furniture according to the preamble of the claim is known from US-A-2 294 340. In this folding piece of furniture, the front pair of legs is articulated directly on a device projecting downwards and the rear pair of legs can be moved in a guide groove by means of additional guide lugs with inserted guide pins. With a folding piece of furniture of this type, the seat angle cannot be adjusted.

In der US-A-2 824 600 ist ein Klappmöbel beschrieben, bei dem an der Unterseite der Sitzfläche Rastnuten ausgebildet sind, wodurch die Höhe des Stuhles, insbesondere die Höhe der Sitzfläche des Stuhles verstellbar ist. Eine Neigungsverstellung der Sitzfläche läßt sich dabei aber nicht erreichen.US Pat. No. 2,824,600 describes a folding piece of furniture in which latching grooves are formed on the underside of the seat surface, as a result of which the height of the chair, in particular the height of the seat surface the chair is adjustable. An inclination adjustment of the seat can not be achieved.

Der Erfindung liegt die Aufgabe zugrunde ein Klappmöbel der eingangs genannten Art derart zu verbessern, daß die Neigung der Sitzfläche verstellbar ist, und das Klappmöbel für Aufbewahrungszwecke möglichst kompakt zusammengeklappt werden kann.The invention has for its object to improve a folding furniture of the type mentioned in such a way that the inclination of the seat is adjustable, and the folding furniture can be folded as compact as possible for storage purposes.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.This object is achieved by the features of claim 1.

Ausgestaltungen des Klappmöbels ergeben sich aus den Unteransprüchen.Refinements of the folding furniture result from the subclaims.

Das Klappmöbel bzw. der Klapphocker hat den Vorteil, daß seine Sitzfläche auf einfache Weise hinsichtlich der Neigung verstellbar ist und trotz dieser Verstellbarkeit das Klappmöbel im zusammengeklappten Zustand geringsten Raumbedarf hat. Im zusammengeklappten Zustand des Klappmöbels befindet sich die Sitzfläche vorteilhafterweise vollständig zwischen den zueinander parallelen Beinpaaren. Nach einer Ausführungsform ist das in verschiedenen Nuten einrastbare Beinpaar fest arretiert, so daß ein Zusammenklappen des Klappmöbels durch versehentliche Verschiebung oder Berührung verhindert wird.The folding furniture or the folding stool has the advantage that its seat is easily adjustable in terms of inclination and, despite this adjustability, the folding furniture has the smallest space requirement when folded. In the folded state of the folding furniture, the seat is advantageously completely between the pairs of legs parallel to each other. According to one embodiment, the pair of legs which can be latched in different grooves is firmly locked, so that folding of the folding furniture is prevented by inadvertent displacement or touch.

Das Klappmöbel laßt sich vorteilhafterweise aus Holz fertigen und bedarf einer vergleichbar geringen Zahl von Teilen. Weiterhin kann das Klappmöbel durch einfaches Aufsetzen einer Lehne als Sitzmöbel mit Lehne verwendbar gestaltet werden.The folding furniture can advantageously be made of wood and requires a comparatively small number of parts. Furthermore, the folding furniture can be designed to be used as seating with a backrest by simply placing a backrest.

Im folgenden werden bevorzugte Ausführungsformen des Klappmöbels anhand der Zeichnung beschrieben. Es zeigen:

Fig.1
eine Seitenansicht des Klappmöbels,
Fig.2
eine Seitenansicht des Klappmöbels im nahezu zusammengeklappten Zustand,
Fig.3
eine Teilschnittansicht des Klappmöbels zur Verdeutlichung einer bevorzugten Ausführungsform mit Führungsnut und arretierbarem Element, und
Fig.4
eine abgewandelte Ausführungsform des Klappmöbels zur Verwendung als Fußstütze.
Preferred embodiments of the folding furniture are described below with reference to the drawing. Show it:
Fig. 1
a side view of the folding furniture,
Fig. 2
a side view of the folding furniture in the almost folded state,
Fig. 3
a partial sectional view of the folding furniture to illustrate a preferred embodiment with a guide groove and lockable element, and
Fig. 4
a modified embodiment of the folding furniture for use as a footrest.

Das erfindungsgemäße Klappmöbel, im folgenden Klapphocker genannt, weist, wie üblich, eine mit 1 bezeichnete Sitzfläche und zwei Beinpaare auf. Die Beine des einen, vorzugsweise vorderen Beinpaares sind in Fig. 1 mit 3, die Beine des hinteren Beipaares mit 2 bezeichnet.The folding furniture according to the invention, hereinafter referred to as a folding stool, has, as usual, a seat designated by 1 and two pairs of legs. The legs of the one pair of legs, preferably the front pair, are denoted by 3 in FIG.

Die einander zugehörigen Beine 2, 3 der beiden Beinpaare sind, wie aus Fig. 1 ersichtlich ist, durch ein Gelenk 4, vorzugsweise in Form eines Scharnieres, miteinander drehfähig verbunden. Bei den Ausführungsformen nach Fig. 1 und 2 wird die Drehachse der beiden einander zugeordneten Beine 2, 3 durch einen Lagerstift 5 des Gelenks 4 definiert, so daß bei dieser Ausführungsform die Dreh- oder Schwenkachse zwischen jeweils einem Bein 2,3 an deren oberem Ende festgelegt ist. An dem nach unten weisenden Ende ist zwischen jedem Beinpaar eine stabilisierende Querstrebe 7 bzw. 8 vorgesehen. Zur Lagerung und Führung der beiden Beinpaare ist eine mit 10 bezeichnete Einrichtung vorgesehen, die nach einer bevorzugten Ausführungsform aus einem Plattenpaar 10 besteht. Jede Platte 10 ist vorzugsweise am Seitenrahmen 11 der Sitzfläche 1 befestigt und weist eine Lagerhülse 12 auf, die zur Aufnahme eines Lagerstiftes oder einer Linsenschraube 13 dient und in letzterem Falle mit einem Innengewinde zur Halterung der Schraube versehen ist. Ein Außengewinde der Lagerhülse dient ihrer festen Anordnung in der zugehörigen nicht bezeichneten Bohrung der jeweiligen Platte 10. Der Kopf der Schraube 13 übergreift nach einer Ausführungsform die zugehörige Bohrung im Bein 2, die Schraube 13 verläuft durch das Bein 2 hindurch und ist in die Hülse 12 eingeschraubt, die fest in der Platte 10 sitzt. Wesentlich ist, daß jedes der Beine 2 drehfähig gegenüber der Platte 10 gelagert ist. Zur Montage bzw. Demontage läßt sich die Schraube in die Hülse 12 hinein- bzw. herausschrauben. Es ist auch jede andere, eine Drehbewegung zwischen dem Bein 2 und der Platte 10 ermöglichende Lagereinrichtung einsatzfähig, die im zusammengebauten Zustand eine Seitenbewegung der Beine 2 von den Platten 10 weg verhindert.The mutually associated legs 2, 3 of the two pairs of legs are, as can be seen from FIG. 1, rotatably connected to one another by a joint 4, preferably in the form of a hinge. In the embodiments according to FIGS. 1 and 2, the axis of rotation of the two legs 2, 3 assigned to one another is defined by a bearing pin 5 of the joint 4, so that in this embodiment the axis of rotation or swivel axis between each leg 2, 3 at its upper end is set. At the downward-facing end, a stabilizing cross strut 7 or 8 is provided between each pair of legs. To support and guide the two pairs of legs, a device designated 10 is provided, which according to a preferred embodiment consists of a pair of plates 10. Each plate 10 is preferably attached to the side frame 11 of the seat 1 and has a bearing sleeve 12 which serves to receive a bearing pin or a lens screw 13 and in the latter case is provided with an internal thread for holding the screw. An external thread of the bearing sleeve serves for its fixed arrangement in the associated bore (not designated) of the respective plate 10. According to one embodiment, the head of the screw 13 overlaps the associated bore in the leg 2, the screw 13 runs through the leg 2 and is in the sleeve 12 screwed, which sits firmly in the plate 10. It is essential that each of the legs 2 is rotatably mounted with respect to the plate 10. For assembly or disassembly, the screw can be screwed into and out of the sleeve 12. It is also possible to use any other bearing device which enables a rotational movement between the leg 2 and the plate 10 and which in the assembled state causes the legs 2 to move laterally from the plates 10 prevented away.

Jedes Bein 3 ist durch einen Führungsstift 15 oder dergleichen, der vorzugsweise fest in das zugehörige Bein 3 eingesetzt ist und nach innen, d.h. in Richtung auf die Platte 10 weist, entlang einer Führungsnut 16 verschiebbar. Bei der in Fig. 1 dargestellten Ausführungsform des Klapphockers besteht die Führungsnut 16 im wesentlichen aus drei Bereichen, nämlich einem im wesentlichen gerade verlaufenden Bereich 16a, an den sich in Fig. 1 links ein Bereich 16b mit zwei oder mehreren Rastnuten 18a, 18b, 18c usw. anschließt. Auf der in Fig. 1 rechten Seite geht die Führungsnut 16 in einen Bereich 16c über, der kreisbogenförmigen Verlauf hat. Die Rastnuten 18a usw. liegen im wesentlichen übereinander. Durch Einrasten des Führungselementes 15 in den verschiedenen Rastnuten 18a usw. läßt sich eine unterschiedliche Neigungseinstellung der Sitzfläche 1 und damit eine unterschiedliche Neigung derselben gegenüber den Beinen 3 erhalten.Each leg 3 is supported by a guide pin 15 or the like, which is preferably firmly inserted into the associated leg 3 and inwards, i.e. points in the direction of the plate 10, along a guide groove 16. In the embodiment of the folding stool shown in FIG. 1, the guide groove 16 essentially consists of three areas, namely an essentially straight area 16a, on the left in FIG. 1, an area 16b with two or more locking grooves 18a, 18b, 18c etc. connects. On the right side in FIG. 1, the guide groove 16 merges into an area 16c which has an arcuate shape. The locking grooves 18a etc. are essentially one above the other. By snapping the guide element 15 into the different locking grooves 18a etc., a different inclination setting of the seat 1 and thus a different inclination of the same with respect to the legs 3 can be obtained.

Fig. 2 zeigt eine Seitenansicht des Klapphockers im fast zusammengeklappten Zustand. Wird der Klapphocker aus der in Fig. 1 gezeigten Position dadurch zusammengeklappt, daß das Beinpaar 3 um den Stift 5 im Uhrzeigersinn auf das Beinpaar 2 verschwenkt wird, gleitet das Führungselement 15 aus der jeweiligen Rastnut 18a oder 18b usw. in den weitgehend gerade verlaufenden Bereich 16a, bis die beiden Beinpaare 2, 3 gemäß Fig. 2 in eine parallel zueinander befindliche Lage gelangen. Sobald die beiden Beinpaare 2,3 in Fig. 2 gezeigte Parallelität erreicht haben, gelangt das Führungselement 15 in den kreisbogenförmig verlaufenden Bereich 16b, wodurch nach Fig. 2 die Sitzfläche 1 nach unten in Richtung des Pfeiles B drehfähig ist, bis er in der Ebene der Beinpaare 2, 3 zwischen diesen zu liegen kommt. Während der Bewegung der Sitzfläche 1 in Richtung des Pfeiles B wird der kreisbogenförmige Führungsnutenbereich 16c im Uhrzeigersinn bewegt, während das Führungselement 15 stationär bleibt und dadurch eine Gleitbewegung zwischen dem Führungselement 15 und dem Nutenbereich 16c bis zum Ende der kreisbogenförmigen Nut erfolgt. Bei der in Fig. 2 dargestellten Ausführungsform liegt der kreisbogenförmige Führungsnutenbereich 16c auf einem Kreis um die durch die Hülse 12 definierte Drehachse, wobei der Radius des Kreisbogens des Nutenabschnittes 16c um diese Drehachse dem aus Fig. 2 erkennbaren Abstand zwischen der Achse der Hülse 12 und der des Führungselements 15 entspricht.Fig. 2 shows a side view of the folding stool in the almost folded state. If the folding stool is folded from the position shown in FIG. 1 by pivoting the pair of legs 3 clockwise about the pin 5 onto the pair of legs 2, the guide element 15 slides out of the respective latching groove 18a or 18b etc. into the largely straight region 16a until the two pairs of legs 2, 3 as shown in FIG. 2 reach a position parallel to one another. As soon as the two pairs of legs 2, 3 shown in FIG. 2 have reached parallelism, the guide element 15 reaches the region 16b which runs in the form of a circular arc, as a result of which the seat surface 1 can be rotated downward in the direction of arrow B in FIG the pairs of legs 2, 3 come to lie between them. During the movement of the seat surface 1 in the direction of the arrow B, the arcuate guide groove region 16c is moved clockwise, while the guide element 15 remains stationary and thereby a sliding movement between the guide element 15 and the groove area 16c to the end of the arcuate groove. In the embodiment shown in FIG. 2, the circular arc-shaped guide groove area 16c lies on a circle around the axis of rotation defined by the sleeve 12, the radius of the circular arc of the groove section 16c about this axis of rotation being the distance between the axis of the sleeve 12 and that of the guide element 15 corresponds.

Fig. 3 zeigt Einzelheiten eines bevorzugten Führungselementes 15, das aus einer Hülse 22 mit Innen- und Außengewinde, einem Gewindestift 15a und einem Rändelkopf 20 odgl. besteht. Der Gewindestift 15a ist durch die Gewindehülse 22 hindurchgeschraubt, die in jeder der beiden Beine 3 vorgesehen ist. Die Gewindehülse 22 kann vorzugsweise eine Länge haben, die größer ist als die Stärke des Beines 3, so daß die Gewindehülse 22 mit ihrem auf die Platte 10 zugewandten Ende in die Führungsnut 16 eingreift und als Führungselement gegenüber der Führungsnut 16 dient. Der Gewindestift hat hierbei die Aufgabe, bei Einrastung in eine der Rastnuten 18a usw. in eine Vertiefung am Ende jeder Rastnut 18a, 18b hineinzugreifen, wobei die Vertiefung der Rastnuten durch das Bezugszeichen 24 in Fig. 3 angedeutet ist. Dies hat den Vorteil, daß bei aufgeklapptem Klapphocker und Einrastung der Gewindehülse 22 in eine der Rastnuten 18a, 18b usw. mittels des Rändelkopfes 20 odgl. der Gewindestift 15a soweit vorgedreht werden kann, bis er in die Vertiefung 24a, 24b usw. der zugehörigen Rastnut 18a, 18b usw. eingreift und dadurch ein Ausrücken der Hülse 22 aus dieser Rastnut verhindert. Bei derart eingerastetem Gewindestift 15a wird sichergestellt, daß eine unbeabsichtigte Verschiebung der Führungshülse 22 aus den Rastnuten 18a heraus und somit des Beinpaares 3 in Richtung auf das Beinpaar 2 und damit ein ungewolltes Zusammenklappen des Klapphockers verhindert wird. Anstelle der von jedem Bein 3 seitlich in die Führungsnuten 16 vorspringenden Hülse kann der Stift 15a die Führungsfunktion entlang der Führungsnut 16 übernehmen, wenn er über seine in die Führungsnut 16 eingreifende Länge umfangsmäßig glatt, d.h. ohne Außengewinde ausgebildet ist und die Hülse 22 nicht aus dem Bein 3 herausragt, also eine der Plattenstärke entsprechende Länge hat.Fig. 3 shows details of a preferred guide element 15, or the like from a sleeve 22 with internal and external thread, a grub screw 15a and a knurled head 20. consists. The setscrew 15a is screwed through the threaded sleeve 22, which is provided in each of the two legs 3. The threaded sleeve 22 can preferably have a length that is greater than the thickness of the leg 3, so that the threaded sleeve 22 engages with its end facing the plate 10 in the guide groove 16 and serves as a guide element opposite the guide groove 16. The set screw in this case has the task of engaging in a recess at the end of each locking groove 18a, 18b when latching into one of the locking grooves 18a, etc., the recessing of the locking grooves being indicated by reference numeral 24 in FIG. 3. This has the advantage that when the folding stool is unfolded and the threaded sleeve 22 engages in one of the locking grooves 18a, 18b etc. by means of the knurled head 20 or the like. the grub screw 15a can be turned forward until it engages in the recess 24a, 24b etc. of the associated locking groove 18a, 18b etc. and thereby prevents the sleeve 22 from being disengaged from this locking groove. With the threaded pin 15a engaged in this way, it is ensured that an unintentional displacement of the guide sleeve 22 out of the locking grooves 18a and thus the pair of legs 3 in the direction of the pair of legs 2 and thus an unintentional folding of the folding stool is prevented. Instead of the sleeve projecting laterally from each leg 3 into the guide grooves 16, the pin 15a can take over the guide function along the guide groove 16 if it is circumferentially smooth over its length engaging in the guide groove 16, ie it is designed without an external thread and the sleeve 22 does not protrude from the leg 3, that is to say it has a length corresponding to the plate thickness.

Ferner kann eine der Vertiefung 24 entsprechende Vertiefung an dem zum Führungsnutbereich 16 abgewandten Ende des Führungsbereiches 16c vorgesehen sein mit dem Zweck, eine Arretierung des Klapphockers in der Lage zu erreichen, in der die Beinpaare 2, 3 die in Fig. 2 gezeigte parallele Lage erreicht haben und die Sitzfläche 1 in Richtung des Pfeiles B in Fig. 2 in die Ebene der Beinpaare 2, 3 hineingeklappt ist. Auf diese Weise kann erreicht werden, daß ein unbeabsichtigtes Aufklappen des Klapphockers, zum Beispiel während seines Transportes, verhindert wird.Furthermore, a recess corresponding to the recess 24 can be provided on the end of the guide region 16c facing away from the guide groove region 16 with the purpose of locking the folding stool in a position in which the pairs of legs 2, 3 reach the parallel position shown in FIG. 2 have and the seat 1 is folded in the direction of arrow B in Fig. 2 in the plane of the pairs of legs 2, 3. In this way it can be achieved that an unintentional opening of the folding stool, for example during its transportation, is prevented.

Fig. 1 zeigt den Klapphocker in einer betriebsbereiten Stellung, in der das Führungselement 15 oder 22 in die unterste Rastnut 18a einrasten, so daß die Sitzfläche 1 im wesentlichen horizontal ausgerichtet ist. Wird das Führungselement 15 oder 22 in eine der obenliegenden Rastnuten 18b, 18c usw. eingerastet, wird eine mehr oder weniger starke Neigung der Sitzfläche 1 gegenüber der Horizontalen erreicht. Hierzu müssen die beiden Beinpaare 2,3 geringfügig aufeinander zu bewegt werden, damit das Führungselement 15 aus der Rastnut 18a heraus, dann nach oben und in die Rastnut 18b oder 18c hineinverlagert werden kann. Gleichzeitig führt die Sitzfläche 1 eine Schwenkbewegung in Richtung des Pfeiles A durch. Aus jeder der verschiedenen Rastpositionen läßt sich der Klapphocker sofort in den vollständig zusammengeklappten Zustand verbringen, vorausgesetzt, daß der Gewindestift 15a bei dem Ausführungsbeispiel nach Fig. 3 nicht in eine der Vertiefungen 24 eingreift, so daß eine Verschiebung des Führungselementes 15 zum Beispiel aus der Rastnut 18c in die Rastnut 18a entfällt und der Führungsstift 15 aus der Rastnut 18c sofort in den Bereich 16a und dann in den Bereich 16c verlagerbar ist.Fig. 1 shows the folding stool in an operational position, in which the guide element 15 or 22 snap into the lowest locking groove 18a, so that the seat 1 is aligned substantially horizontally. If the guide element 15 or 22 is snapped into one of the overlying locking grooves 18b, 18c etc., a more or less strong inclination of the seat surface 1 with respect to the horizontal is achieved. For this purpose, the two pairs of legs 2, 3 have to be moved slightly towards one another so that the guide element 15 can be moved out of the locking groove 18a, then upwards and into the locking groove 18b or 18c. At the same time, the seat 1 carries out a pivoting movement in the direction of arrow A. From each of the different latching positions, the folding stool can immediately be brought into the fully folded state, provided that the setscrew 15a in the embodiment according to FIG. 3 does not engage in one of the recesses 24, so that the guide element 15 is displaced, for example, from the latching groove 18c in the locking groove 18a is omitted and the guide pin 15 from the locking groove 18c immediately in the Area 16a and then relocated to area 16c.

Es hat sich als vorteilhaft erwiesen, wenn in dem in Fig. 2 gezeigten Zustand des Hockers die Lagerung 12, 13 und der Führungsstift 15 in etwa auf gleicher Höhe liegen. Die Größe der Sitzfläche 1 und die Anordnung der Querstreben 7, 8 ist derart getroffen, daß zwischen der Oberkante der Beine 2, 3 in Fig. 2 und den Querstreben 7, 8 ausreichend Platz zur Verfügung steht, um ein Verschwenken der Sitzfläche 1 in diesen Zwischenraum zu ermöglichen.It has proven to be advantageous if, in the state of the stool shown in FIG. 2, the bearings 12, 13 and the guide pin 15 are approximately at the same height. The size of the seat 1 and the arrangement of the cross struts 7, 8 is such that there is sufficient space between the upper edge of the legs 2, 3 in Fig. 2 and the cross struts 7, 8 to pivot the seat 1 in this To allow space.

Wie die Fig. 1 und 2 zeigen, ist bei der dargestellten Ausführungsform an der oberen Stirnfläche der Beine 3 ein Auflageelement 26 befestigt, an dem die obere Stirnfläche des Beines 2 in Anlage gelangt, wenn der Klapphocker aufgeklappt ist.1 and 2 show, in the embodiment shown, a support element 26 is fastened to the upper end face of the legs 3, on which the upper end face of the leg 2 comes into contact when the folding stool is opened.

Anstelle der die Einrichtung 10 bildenden Platten können andere Teile vorgesehen sein, welche die vorstehend beschriebenen Lager- und Führungsfunktionen übernehmen, wobei diese Teile als separate und am Seitenrahmen 11 zu befestigende Teile oder als zum Seitenrahmen 11 integrierte Teile ausgebildet sein können.Instead of the plates forming the device 10, other parts can be provided which assume the storage and guiding functions described above, wherein these parts can be designed as separate parts to be fastened to the side frame 11 or as parts integrated into the side frame 11.

Durch die Neigungsverstellbarkeit der Sitzfläche des erfindungsgemäßen Hockers läßt sich der Klapphocker besonders vorteilhaft als zusätzliches Teil zu dem Stuhl gemäß der Patentanmeldung P 36 07 581 oder P 36 07 619 verwenden und ermöglicht bei unterschiedlich eingestelltem Klappmöbel bzw. Klappsessel eine optimale Anpassung an die Körperform bei seinem Einsatz als Fußauflage. Fig. 4 zeigt die Verwendung des erfindungsgemäßen Klapphockers in Verbindung mit einem Klappsessel, vorzugsweise mit einem Klappsessel gemäß Patentanmeldung P 36 07 581 oder P 36 07 619. Aus Fig. 4 ist ersichtlich, daß die Neigung der Sitzfläche 1 derart einstellbar ist, daß sie entgegengesetzt ist zur Neigung der Sitz- oder Liegefläche des mit 30 bezeichneten Klapp- oder Liegesessels, dessen mit 31 bezeichneter Sitz eine Neigung nach hinten um den Winkel α zu Horizontalen einhält, während die Neigung der Sitzfläche 1 des Hockers zur Horizontalen dem Winkel β entspricht, wobei α = β sein kann und dadurch die Einstellung der Fußauflage, gebildet durch die Fläche 1 in Verbindung mit der Neigung der Sitzfläche 31 des Sessels auf die bequemste Position erreichbar ist.Due to the inclination adjustability of the seat of the stool according to the invention, the folding stool can be used particularly advantageously as an additional part to the chair according to patent application P 36 07 581 or P 36 07 619 and enables optimal adjustment to the body shape of his with differently adjusted folding furniture or folding armchair Use as a footrest. Fig. 4 shows the use of the folding stool according to the invention in connection with a folding armchair, preferably with a folding armchair according to patent application P 36 07 581 or P 36 07 619. From Fig. 4 it can be seen that the inclination of the seat 1 is adjustable so that it is opposite to the inclination of the seat or lying surface of the designated 30 Folding or reclining chair, the seat designated 31 maintains an inclination to the rear by the angle α to the horizontal, while the inclination of the seat 1 of the stool to the horizontal corresponds to the angle β, where α = β and thereby the adjustment of the footrest, formed by the surface 1 in connection with the inclination of the seat 31 of the armchair to the most comfortable position.

Gemäß einer weiteren Ausgestaltung der Erfindung ist vorgesehen, daß ein zusätzlich aufschiebbares Lehnenteil auf die Sitzfläche 1 aufgebracht werden kann, zum Beispiel in Form des in Fig. 1 gestrichelt eingetragenen Elementes 34. Der Rahmen der Lehne 34 weist beidseitig an seinen Seiten z.B. Abstützteile 36, 37 auf, welche die Sitzfläche 1 bzw. den Seitenrahmen 11 der Sitzfläche 1 einfassen und durch eine Klemmwirkung die Lehne 34 gegenüber dem Seitenrahmen 11 lagern. Auf diese Weise kann der erfindungsgemäße Klapphocker mit verstellbarer Sitzfläche 1 auch als Hocker mit Lehne verwendet werden, wobei die Lehne zusammen mit der Sitzfläche 1 in der Neigung verstellbar ist.According to a further embodiment of the invention, it is provided that an additionally slidable backrest part can be applied to the seat surface 1, for example in the form of the element 34 shown in dashed lines in FIG. 1. Support parts 36, 37 which surround the seat surface 1 or the side frame 11 of the seat surface 1 and support the backrest 34 with respect to the side frame 11 by a clamping action. In this way, the folding stool according to the invention with an adjustable seat 1 can also be used as a stool with a backrest, the backrest being adjustable in inclination together with the seat 1.

Die Lehne 34 ist nach Fig. 1 von rechts auf die Sitzfläche 1 aufgeschoben. Vorzugsweise wird die Lehne 34 von links auf die Sitzfläche 1 aufgesetzt und läßt auf diese Weise eine komfortable Verstellung der Lehnenneigung bei entsprechender Verstellung der Neigung der Sitzfläche 1 zu. Im letzteren Fall befindet sich die Lehne in kurzem Abstand zum Verstell- bzw. Rastmechanismus, der aus den Elementen 15, 18 gebildet ist.1, the backrest 34 is pushed onto the seat 1 from the right. The backrest 34 is preferably placed on the seat surface 1 from the left and in this way allows a comfortable adjustment of the backrest inclination with a corresponding adjustment of the inclination of the seat surface 1. In the latter case, the backrest is at a short distance from the adjustment or locking mechanism, which is formed from the elements 15, 18.

Vorstehend wurde im wesentlichen nur die eine Seite des Hockers beschrieben; gleiches gilt selbstverständlich für die in Fig. 1 und 2 nicht gezeigte andere Seite des Hockers.Essentially only one side of the stool has been described above; the same naturally applies to the other side of the stool, not shown in FIGS. 1 and 2.

Besonders vorteilhaft läßt sich das erfindungsgemäße Klappmöbel auch als Fußstütze, z. B. zu Couchgarnituren oder dergleichen verwenden. Die Fläche 1 kann gegebenenfalls gepolstert sein oder mit einer Bespannung oder ähnlichem versehen sein und dient dabei als Fuß-Auflagefläche.The folding furniture according to the invention can also be used particularly advantageously as a footrest, e.g. B. to couch sets or the like. The surface 1 can optionally be padded or provided with a covering or the like and serves as a foot support surface.

Claims (7)

  1. Folding piece of furniture, in particular folding stool, comprising a seat (1) and legs (2, 3) provided laterally of the seat (1),
    having a means (10) projecting downwardly with respect to the seat (1) at which one of the leg pairs (2) is rotatably mounted,
    the means (10) comprising a guiding groove (16a) substantially parallel to the seat, along which the second leg pair (3) is guided,
    and wherein the first and second leg pair (2, 3) is pivotably joined together in the region of the upper ends,
    characterized in that each leg of the second leg pair (3) has guiding means (15) adapted to engage the guiding groove (16), and that the guiding groove (16) on the one side merges into an arcuate grooved region (16c) and on the other side terminates in several detent grooves (18a, 18b, 18c) being provided one above the other and determining inclination of the seat, whereat the arcuate grooved region (16c) has the axis (13) of the bearing arrangement as center of the first leg pair (2) with respect to means (10).
  2. Folding piece of furniture according to claim 1, characterized in that the guiding groove (16) in the region of the detent grooves (18a, 18b, 18c) has depressions (24, 24a, 24b, 24c).
  3. Folding piece of furniture according to one of the preceding claims, characterized in that the guiding element (15) is formed by a sleeve (22) projecting laterally from the respective leg (3).
  4. Folding piece of furniture according to claim 3, characterized in that the guiding element (15) further comprises a pin (15a).
  5. Folding piece of furniture according to claim 3, characterized in that the guiding element (15) further comprises an arresting pin (15a).
  6. Folding piece of furniture according to one of the preceding claims, characterized in that there is provided a backrest (34) which is attachable to the seat (1).
  7. Folding piece of furniture according to claim 6, characterized in that the backrest (34) comprises support means (36, 37) being provided on both sides of the seat (1).
EP87113192A 1986-10-14 1987-09-09 Folding piece of furniture Expired - Lifetime EP0264607B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87113192T ATE75382T1 (en) 1986-10-14 1987-09-09 FOLDING FURNITURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863634986 DE3634986A1 (en) 1986-10-14 1986-10-14 FOLDING FURNITURE
DE3634986 1986-10-14

Publications (3)

Publication Number Publication Date
EP0264607A2 EP0264607A2 (en) 1988-04-27
EP0264607A3 EP0264607A3 (en) 1988-07-06
EP0264607B1 true EP0264607B1 (en) 1992-04-29

Family

ID=6311714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87113192A Expired - Lifetime EP0264607B1 (en) 1986-10-14 1987-09-09 Folding piece of furniture

Country Status (7)

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US (1) US4762362A (en)
EP (1) EP0264607B1 (en)
JP (1) JPS63102715A (en)
AT (1) ATE75382T1 (en)
CA (1) CA1280961C (en)
DE (2) DE3634986A1 (en)
ES (1) ES2032789T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258813A (en) * 1988-08-24 1990-02-28 Murata Mfg Co Ltd Layer-built inductor
GB201101198D0 (en) * 2011-01-24 2011-03-09 Gala Tent Ltd Totally compact multi position folding chair
EP2680374B1 (en) * 2012-06-29 2020-01-22 Aptiv Technologies Limited Connection device
US11877648B2 (en) * 2019-07-22 2024-01-23 Roots Engineering Services Mobile table with selectively rotating table top
USD901203S1 (en) 2019-07-23 2020-11-10 Walker Edison Furniture Company Llc Patio chair
USD903357S1 (en) 2019-07-23 2020-12-01 Walker Edison Furniture Company Llc Patio loveseat

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US246702A (en) * 1881-09-06 Bollin h
US654760A (en) * 1900-04-10 1900-07-31 Jefferson Davis Pace Ironing-table.
US1301874A (en) * 1917-12-18 1919-04-29 Edward F Poland Ironing-board.
GB203890A (en) * 1922-09-04 1923-09-20 Harry Robert Metcalfe Improvements in or relating to folding chairs and the like
US1809866A (en) * 1929-10-10 1931-06-16 Louis H Riesche Collapsible table
US2294340A (en) * 1938-08-17 1942-08-25 Acme Chair Company Folding chair
DE803931C (en) * 1949-04-28 1951-04-12 Paul Gerling Folding armchair
US2646634A (en) * 1950-01-30 1953-07-28 Mongar George Adjustable ironing board
US2824600A (en) * 1956-11-27 1958-02-25 William C Baumgardner Folding chair
DE1534257A1 (en) * 1965-02-26 1969-07-10 Wilhelm Gmeiner Device for distributing grit on roads, especially when there is snow and ice
JPS4728009U (en) * 1971-04-16 1972-11-30
FR2317894A1 (en) * 1975-07-15 1977-02-11 Cambon Christian Folding wooden garden chair - has seat detached for height adjustment, supported on pegs at rear and rod in slots at front
JPS52109063U (en) * 1976-02-13 1977-08-19
FR2390921A2 (en) * 1977-05-18 1978-12-15 Houot Bernard High chair on wheels - has removable tray hinged between clamp and armrest and has adjustable footrest
DE3016685A1 (en) * 1980-04-30 1981-11-05 Xaver 8385 Pilsting Leonhart Folding chair with fewer points of articulation - has three steel tubes bent in U=shape with transverse connecting webs
DE3337363A1 (en) * 1983-10-14 1985-04-25 Kurz Gmbh, 7120 Bietigheim-Bissingen Collapsible chair

Also Published As

Publication number Publication date
JPH0550926B2 (en) 1993-07-30
CA1280961C (en) 1991-03-05
EP0264607A3 (en) 1988-07-06
ES2032789T3 (en) 1993-03-01
EP0264607A2 (en) 1988-04-27
DE3778636D1 (en) 1992-06-04
DE3634986A1 (en) 1988-04-21
US4762362A (en) 1988-08-09
JPS63102715A (en) 1988-05-07
ATE75382T1 (en) 1992-05-15

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