EP2174565B1 - Folding table - Google Patents

Folding table Download PDF

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Publication number
EP2174565B1
EP2174565B1 EP20090012684 EP09012684A EP2174565B1 EP 2174565 B1 EP2174565 B1 EP 2174565B1 EP 20090012684 EP20090012684 EP 20090012684 EP 09012684 A EP09012684 A EP 09012684A EP 2174565 B1 EP2174565 B1 EP 2174565B1
Authority
EP
European Patent Office
Prior art keywords
coupling
spring
coupling sleeve
folding table
leg
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.)
Not-in-force
Application number
EP20090012684
Other languages
German (de)
French (fr)
Other versions
EP2174565A3 (en
EP2174565A2 (en
Inventor
Dieter Kusch
Robert De Le Roi
Arthur Achtenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kusch and Co GmbH and Co KG
Original Assignee
Kusch and Co GmbH and Co KG
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Publication date
Application filed by Kusch and Co GmbH and Co KG filed Critical Kusch and Co GmbH and Co KG
Publication of EP2174565A2 publication Critical patent/EP2174565A2/en
Publication of EP2174565A3 publication Critical patent/EP2174565A3/en
Application granted granted Critical
Publication of EP2174565B1 publication Critical patent/EP2174565B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A47B3/0818—Folding or stowable tables with legs pivoted to top or underframe with manually actuated locking means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0011—Underframes
    • A47B2200/002—Legs
    • A47B2200/0033—Securing a U-formed table leg under the table top

Definitions

  • the invention relates to a folding table according to the preamble of claim 1.
  • a folding table which includes folding legs. However, these are not stored in fittings, but in a frame that extends the length of the table. The locking of the table legs in an upright position by means of conical pins which engage in holes in the frame.
  • a table is known with foldable legs, which have a cross brace at the foot of the table leg.
  • a cross brace along the axis of the bushings is not provided and the legs not along the pivot axis displaced.
  • Folding tables have leg elements that can be tilted for stacking in order to be temporarily installed in office and conference rooms or other multipurpose halls and stowed away with little space requirements.
  • different folding mechanisms are known in the art.
  • a folding table with a rotary joint support for the leg elements is known, in which a central locking takes place by means of a latching element.
  • the object of the invention is therefore to provide a folding table, which has a simple folding mechanism with an improved actuating mechanism.
  • a folding table which disengages a lock by a sliding mechanism and thereby allows a stackable folding the leg members.
  • the sliding mechanism is easy to handle, since the operation can be done via a lever action.
  • the locking is done by engaging.
  • On the cross strut of a leg member is a coupling half, the coupling sleeve, mounted, which is displaceable together with the cross brace against a second coupling half, which is formed on a bearing for roschieblichen attachment of the crossbar to the table top.
  • a spring preload ensures the contact pressure for the coupling connection, which allows locking of the leg members in a vertical position.
  • the spring is preferably a compression spring.
  • the folding mechanism thus uses a displacement of the leg member for engagement and disengagement of the clutch, wherein the displacement of the two leg members of a folding table can take place in opposite directions, whereby a space-saving juxtaposition thereof can be made possible.
  • the folding mechanism according to the invention is easy to handle, has less expensive functional elements, corresponds externally the designerischen expectations and allows the construction of a space-saving stackable folding table.
  • the coupling is designed as a dog clutch.
  • the claw flanks allow a centered locking.
  • the claws allow the formation of a clamping cone, which improves the force and frictional engagement.
  • the leg elements can be securely locked and have a reliable stable stand.
  • the jaw ends can be used as locking elements in which a positive connection can be formed.
  • the dog clutch parts are designed in the manner of a crown. Unintentional release of the folding mechanism is excluded.
  • An eccentric is provided for driving the sliding mechanism. Such eccentricity can be equal to half a slide stroke.
  • the invention relates to a folding table 1 with a table top 2 and at least two leg members 3, 4 which are pivotally mounted on fittings 5, 6 about an axis X.
  • the fittings 5, 6 are fixed to a table bottom 7, and there are preferably two mutually spaced fittings 5, 6 for supporting a leg member 3, 4 is provided.
  • the positioning of the fittings 5, 6 relative to the table top 2 determines the position of the leg members 3, 4 to the table top second
  • the leg members 3, 4 are cross-braced, each with a cross brace 8 between each two leg legs 9, 10.
  • the leg members 3, 4 are with their Cross struts 8 on the fittings 5, 6 stored.
  • a locking device 11 By means of a locking device 11, the leg elements 3, 4 can be locked in an on and an unfolded end position.
  • the locking device 11 comprises fittings 5, 6, each with a coupling bushing 12, which supports a transverse strut 8 of a leg element 3, 4 rotatably and axially displaceable.
  • the coupling bush 12 is fixedly connected to the fitting 5, 6 and forms for the crossbar 8 a guide bearing against which the cross bar 8 pivot about the axis X and along the axis X is axially displaceable.
  • fittings 5, 6 are preferably formed with such a coupling bush 12.
  • the locking device 11 further includes a rotatably connected to a cross bar 8 spring-loaded in the coupling sleeve 12 engageable coupling sleeve 13.
  • a coupling sleeve 13 is associated with each coupling sleeve 12 for forming a coupling, the crossbar 8 in at least two end positions relative to the fitting 5, the sixth locked.
  • the required contact pressure is exerted by a spring load of a spring 14.
  • the coupling sleeve 13 is disengaged and couples in two end positions with folded and unfolded leg members 3, 4 at different pivoted positions relative to the axis X as will be described in detail below.
  • the Fig. 1 and Fig. 2 shows the folding table 1 with folded leg elements 3, 4.
  • the coupling bush 12 forms an abutment for the coupling sleeve 13, on which the coupling sleeve 13 is supported.
  • the coupling sleeve 13 has angularly arranged to the axis X arranged coupling elements 15, 16, which upon insertion or unfolding of the leg members 3, 4 in an operative engagement with the coupling socket 12th to step.
  • the coupling sleeve 13 preferably has at least intermittent conical coupling elements 16 in order to form a clamping cone.
  • the coupling sleeve 13 and the coupling bushing 12 are designed as claw coupling parts whose claw flanks can preferably form a clamping cone as a coupling element 16.
  • both claw flanks of a claw 30 engage with a claw 31 of the coupling bushing 12.
  • two claws 30, 31 are arranged circumferentially offset.
  • the jaw coupling part of the coupling sleeve 13 may have a jaw head, in which the coupling element 15 enables a positive connection with the coupling socket 12, whereby the leg members 3, 4 can be locked in the folded-in end position.
  • the form fit is made flat to facilitate unlocking, that is, only a small force is required to release the lock.
  • Fig. 1 and Fig. 2 stand coupling sleeve 13 and coupling bushing 12 in each case in an operative engagement, which locks the leg members 3, 4 in the folded state.
  • the spring 14, which is a compression spring, is supported on the coupling bushing 12 and a spring support 17 which is mounted on the transverse strut 8 and which is arranged at a distance from the coupling sleeve 13.
  • a spring force acts on the coupling sleeve 13, so that it can be engaged with a contact pressure in the coupling sleeve 12.
  • the coupling bushing 12 has coupling elements 18, 19, which correspond to coupling elements 15, 16 on the coupling sleeve 13. In the illustrated end position with folded leg members 3, 4, the coupling elements 15, 18 are engaged with each other.
  • a spring axis of the spring 14 and the axis X are preferably rectified.
  • Fig. 2 . Fig. 3 and Fig. 4 show the operation of a sliding element 20, whereby the cross-brace 8 of a leg member 3, 4 is axially displaceable.
  • the sliding element 20 engages the spring support 17 to disengage the coupling sleeve 13, that is to release the coupling connection.
  • the sliding member 20 is an eccentric for converting a rotational movement of an operating lever 21 in a pushing movement. The axial displacement takes place against the spring force of the spring 14, which is compressible via the sliding element 20 and provides a spring travel as a thrust stroke of the cross brace.
  • leg elements 3, 4 can be opened, as the arrows in Fig. 3 clarify.
  • the leg members 3, 4 are opened by pivoting the crossbar 8 about the axis X (FIG. Fig. 1 ), with the result that the coupling sleeve 13 with respect to the coupling sleeve 12 is also pivoted.
  • FIG. 5 and Fig. 6 show the folding table 1 with unfolded leg elements 3, 4 and still released coupling connection between the coupling sleeve 13 and the coupling sleeve 12.
  • Fig. 5 is indicated by arrows that by axial displacement of the cross-brace 8, the coupling connection is closed under the action of the spring force of the spring 14.
  • the leg elements 3, 4 mounted on opposite ends of a table top are displaceable in opposite directions, so that they are in the folded-in position (cf. Fig. 1 ) are positionable side by side and in the unfolded position symmetrically to the table top 2 can be positioned.
  • FIG. 7 and Fig. 8 show the folding table 1 with unfolded leg elements 3, 4, which are locked by a spring-loaded coupling between the coupling sleeve 13 and coupling bushing 12.
  • the coupling elements 16, 19 of the coupling sleeve 13 and coupling bush 12 are now in engagement and lock the leg members 3, 4.
  • a comparison of Fig. 8 and Fig. 2 illustrates that in the end position of the folded leg members 3, 4 ( Fig. 2 ) with respect to the end position with unfolded leg elements 3, 4 ( Fig. 8 ) the coupling sleeve 13 axially displaced and adjusted in angle.
  • the coupling in the end position with unfolded leg elements 3, 4 ( Fig. 8 ) supplies via a clamping cone of the coupling elements 16, 19 a centered and resilient stable state of the locked leg elements 3, 4th
  • the coupling sleeve 13 has an extension 22 which cooperates with a stop 23 on the fitting 5, 6, in order to avoid a rollover of the leg members 3, 4. Furthermore, a stabilizing web 24 may be provided between adjacent fittings 5, 6 for a cross-brace 8 in order to improve the synchronicity of both fittings 5, 6, if only one spring 14 is used for each two fittings 5, 6.

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  • Tables And Desks Characterized By Structural Shape (AREA)

Description

Die Erfindung betrifft einen Klapptisch nach dem Oberbegriff des Anspruchs 1.The invention relates to a folding table according to the preamble of claim 1.

Aus US 4 064 815 A ist ein Klapptisch mit den Merkmalen des Oberbegriffs des Anspruchs 1 bekannt. Um die Tischbeine des Klapptischs ein- oder auszuklappen, werden diese zunächst in Richtung der Beschläge, entgegen einer durch Feder aufgebrachte Kraft, gezogen. Hierdurch werden Kupplungsbuchse und Kupplungshülse der Beschläge entriegelt, sodass die Tischbeine ein- bzw. ausgeklappt werden können. Bei erreichen der ein bzw. ausgeklappten Position verriegeln sich die Tischbeine durch die Feder selbsttätig.Out US Pat. No. 4,064,815 a folding table with the features of the preamble of claim 1 is known. In order to fold the table legs of the folding table in or out, they are first pulled in the direction of the fittings, against a force applied by a spring force. As a result, the coupling socket and coupling sleeve of the fittings are unlocked, so that the legs can be folded or folded. When reaching the one or unfolded position, the legs lock themselves by the spring.

Aus DE 20 2006 013 345 U1 ist ein Klapptisch bekannt mit Querverstrebten Tischbeinen bekannt, die axial verschoben werden können. Ein Schiebeelement zur vereinfachten Handhabung ist nicht vorgesehen..Out DE 20 2006 013 345 U1 is a folding table known cross-braced table legs, which can be moved axially. A sliding element for simplified handling is not provided ..

Aus DE 44 19 857 A1 ist ein Klapptisch bekannt, der klappbare Beine umfasst. Diese sind jedoch nicht in Beschlägen gelagert, sondern in einer Zarge, die sich über die Länge des Tisches erstreckt. Das Arretieren der Tischbeine in aufrechter Position erfolgt mittels konischer Zapfen die in Bohrungen der Zarge greifen.Out DE 44 19 857 A1 is known a folding table, which includes folding legs. However, these are not stored in fittings, but in a frame that extends the length of the table. The locking of the table legs in an upright position by means of conical pins which engage in holes in the frame.

Aus GB 1 307 676 A1 ist ein Tisch mit faltbaren Tischbeinen bekannt, die eine Querverstrebung am Fuß des Tischbeins aufweisen. Eine Querverstrebung entlang der Achse der Lagerbuchsen ist nicht vorgesehen und die Tischbeine nicht entlang der Schwenkachse verschiebbar.Out GB 1 307 676 A1 a table is known with foldable legs, which have a cross brace at the foot of the table leg. A cross brace along the axis of the bushings is not provided and the legs not along the pivot axis displaced.

Aus DE 20 203 739 U1 ist ein Klappmechanismus für Tische bekannt. Die Arretierung erfolgt mittels eines Bolzens und einer Nutlasche. Schiebeelemente zum axialen verschieben sind nicht vorgesehen.Out DE 20 203 739 U1 a folding mechanism for tables is known. The locking takes place by means of a bolt and a groove tab. Sliding elements for axial displacement are not provided.

Aus GB 422 043 A ist ein Schwenkmechanismus für eine Tischplatte bekannt, womit die Tischplatte in verschiedenen Winkelstellungen arretiert werden kann.Out GB 422 043 A a pivoting mechanism for a table top is known, whereby the table top can be locked in different angular positions.

Klapptische besitzen Beinelemente, die für eine Stapelbarkeit abzukippen sind, um in Büro- und Tagungsräumen oder sonstigen Mehrzweckhallen zeitweise aufgestellt und mit wenig Raumbedarf verstaut werden zu können. Für die Klapptische sind im Stand der Technik unterschiedliche Klappmechanismen bekannt. Aus DE 10 2004 040 344 B3 ist beispielsweise ein Klapptisch mit einer Drehgelenkhalterung für die Beinelemente bekannt, bei der eine mittlere Verriegelung mittels eines Einrastelementes erfolgt. Diese Drehlager und Verriegelungselemente sind aufwendig und beeinträchtigen die Funktionalität eines Klapptisches.Folding tables have leg elements that can be tilted for stacking in order to be temporarily installed in office and conference rooms or other multipurpose halls and stowed away with little space requirements. For the folding tables different folding mechanisms are known in the art. Out DE 10 2004 040 344 B3 For example, a folding table with a rotary joint support for the leg elements is known, in which a central locking takes place by means of a latching element. These pivot bearings and locking elements are expensive and affect the functionality of a folding table.

Aufgabe der Erfindung ist es daher, einen Klapptisch zu schaffen, der einen einfachen Klappmechanismus mit einem verbesserten Betätigungs-mechanismus aufweist.The object of the invention is therefore to provide a folding table, which has a simple folding mechanism with an improved actuating mechanism.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Hierdurch wird ein Klapptisch geschaffen, der durch einen Schiebemechanismus eine Arretierung ausrastet und dadurch ein stapelbares Umlegen der Beinelemente ermöglicht. Der Schiebemechanismus ist einfach handhabbar, da die Betätigung über eine Hebelwirkung erfolgen kann. Die Verriegelung erfolgt durch ein Einkuppeln. Auf die Querverstrebung eines Beinelementes wird eine Kupplungshälfte, die Kupplungshülse, aufgezogen, die zusammen mit der Querverstrebung verschiebbar ist gegenüber einer zweiten Kupplungshälfte, die an einem Lager zur drehverschieblichen Befestigung der Querverstrebung an der Tischplatte ausgebildet ist. Eine Federvorspannung gewährleistet den Anpressdruck für die Kupplungsverbindung, die ein Arretieren der Beinelemente in senkrechter Stellung ermöglicht. Die Feder ist vorzugsweise eine Druckfeder. Der Klappmechanismus nutzt folglich ein Verschieben des Beinelementes zum Ein- und Ausrücken der Kupplung, wobei das Verschieben der beiden Beinelemente eines Klapptisches gegenläufig erfolgen kann, wodurch eine raumsparende Nebeneinanderanordnung derselben ermöglicht werden kann.In this way, a folding table is created, which disengages a lock by a sliding mechanism and thereby allows a stackable folding the leg members. The sliding mechanism is easy to handle, since the operation can be done via a lever action. The locking is done by engaging. On the cross strut of a leg member is a coupling half, the coupling sleeve, mounted, which is displaceable together with the cross brace against a second coupling half, which is formed on a bearing for drehverschieblichen attachment of the crossbar to the table top. A spring preload ensures the contact pressure for the coupling connection, which allows locking of the leg members in a vertical position. The spring is preferably a compression spring. The folding mechanism thus uses a displacement of the leg member for engagement and disengagement of the clutch, wherein the displacement of the two leg members of a folding table can take place in opposite directions, whereby a space-saving juxtaposition thereof can be made possible.

Der erfindungsgemäße Klappmechanismus ist einfach handhabbar, weist weniger aufwendige Funktionselemente auf, entspricht dabei äußerlich den designerischen Erwartungen und ermöglicht den Bau eines platzsparend stapelbaren Klapptisches.The folding mechanism according to the invention is easy to handle, has less expensive functional elements, corresponds externally the designerischen expectations and allows the construction of a space-saving stackable folding table.

Die Kupplung ist als Klauenkupplung ausgebildet. Die Klauenflanken ermöglichen ein zentriertes Arretieren. Die Klauen ermöglichen die Ausbildung eines Klemmkonus, der den Kraft- und Reibschluss verbessert. Die Beinelemente können so sicher verriegelt werden und besitzen einen zuverlässigen stabilen Stand. Ferner können die Klauenenden als Rastelemente genutzt werden, in dem ein Formschluss ausbildbar ist. Die Klauenkupplungsteile sind nach Art einer Krone ausgebildet. Ein unbeabsichtigtes Auslösen des Klappmechanismus ist ausgeschlossen.The coupling is designed as a dog clutch. The claw flanks allow a centered locking. The claws allow the formation of a clamping cone, which improves the force and frictional engagement. The leg elements can be securely locked and have a reliable stable stand. Furthermore, the jaw ends can be used as locking elements in which a positive connection can be formed. The dog clutch parts are designed in the manner of a crown. Unintentional release of the folding mechanism is excluded.

Ein Exzenter ist für den Antrieb des Schiebemechanismus vorgesehen. Eine solche Exzentrizität kann gleich einem halben Schieberhub sein.An eccentric is provided for driving the sliding mechanism. Such eccentricity can be equal to half a slide stroke.

Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further embodiments of the invention are described in the following description and the dependent claims.

Die Erfindung wird nachstehend anhand des in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert.

  • Fig. 1 zeigt schematisch eine seitliche Draufsicht eines Klapptisches mit im Wesentlichen eingeklappten Beinelementen,
  • Fig. 2 zeigt in vergrößerter Darstellung einen Ausschnitt aus Fig. 1 im Bereich eines Klappbeschlages,
  • Fig. 3 zeigt den Klapptisch gemäß Fig. 1 beim Ausklappen der Beinelemente,
  • Fig. 4 zeigt den Ausschnitt gemäß Fig. 2 für Fig. 3,
  • Fig. 5 zeigt den Klapptisch gemäß Fig. 1 mit ausgeklappten Beinelementen vor einem Arretieren derselben,
  • Fig. 6 zeigt den Ausschnitt gemäß Fig. 2 für Fig. 5,
  • Fig. 7 zeigt den Klapptisch gemäß Fig. 1 mit ausgeklappten und arretierten Beinelementen,
  • Fig. 8 zeigt den Ausschnitt gemäß Fig. 2 für Fig. 7.
The invention will be explained in more detail with reference to the embodiment shown in the accompanying drawings.
  • Fig. 1 schematically shows a lateral plan view of a folding table with substantially folded leg elements,
  • Fig. 2 shows an enlarged view of a section Fig. 1 in the area of a hinged fitting,
  • Fig. 3 shows the folding table according to Fig. 1 when unfolding the leg elements,
  • Fig. 4 shows the clipping according to Fig. 2 For Fig. 3 .
  • Fig. 5 shows the folding table according to Fig. 1 with unfolded leg elements before locking the same,
  • Fig. 6 shows the clipping according to Fig. 2 For Fig. 5 .
  • Fig. 7 shows the folding table according to Fig. 1 with unfolded and locked leg elements,
  • Fig. 8 shows the clipping according to Fig. 2 For Fig. 7 ,

Die Erfindung betrifft einen Klapptisch 1 mit einer Tischplatte 2 und mit mindestens zwei Beinelementen 3, 4, die an Beschlägen 5, 6 um eine Achse X schwenkbar gelagert sind. Die Beschläge 5, 6 sind an einer Tischunterseite 7 befestigt, und es sind vorzugsweise zwei zueinander beabstandete Beschläge 5, 6 zum Lagern eines Beinelementes 3, 4 vorgesehen. Die Positionierung der Beschläge 5, 6 gegenüber der Tischplatte 2 bestimmt die Position der Beinelemente 3, 4 zur Tischplatte 2.The invention relates to a folding table 1 with a table top 2 and at least two leg members 3, 4 which are pivotally mounted on fittings 5, 6 about an axis X. The fittings 5, 6 are fixed to a table bottom 7, and there are preferably two mutually spaced fittings 5, 6 for supporting a leg member 3, 4 is provided. The positioning of the fittings 5, 6 relative to the table top 2 determines the position of the leg members 3, 4 to the table top second

Die Beinelemente 3, 4 sind querverstrebt mit jeweils einer Querverstrebung 8 zwischen jeweils zwei Tischbeinen 9, 10. Die Beinelemente 3, 4 sind mit ihren Querverstrebungen 8 an den Beschlägen 5, 6 gelagert. Mittels einer Verriegelungseinrichtung 11 sind die Beinelemente 3, 4 in einer ein- und einer ausgeklappten Endstellung arretierbar.The leg members 3, 4 are cross-braced, each with a cross brace 8 between each two leg legs 9, 10. The leg members 3, 4 are with their Cross struts 8 on the fittings 5, 6 stored. By means of a locking device 11, the leg elements 3, 4 can be locked in an on and an unfolded end position.

Die Verriegelungseinrichtung 11 umfasst Beschläge 5, 6 mit jeweils einer Kupplungsbuchse 12, die eine Querverstrebung 8 eines Beinelementes 3, 4 drehbeweglich und axial verschieblich lagert. Die Kupplungsbuchse 12 ist fest verbunden mit dem Beschlag 5, 6 und bildet für die Querverstrebung 8 ein Führungslager, gegenüber dem die Querverstrebung 8 um die Achse X schwenken und entlang der Achse X axial verschiebbar ist. Für eine möglichst geradlinige Ausrichtung der Querverstrebung 8 und deren Führung sind vorzugsweise beide zur Lagerung der Querverstrebung 8 vorgesehenen Beschläge 5, 6 mit einer solchen Kupplungsbuchse 12 ausgebildet.The locking device 11 comprises fittings 5, 6, each with a coupling bushing 12, which supports a transverse strut 8 of a leg element 3, 4 rotatably and axially displaceable. The coupling bush 12 is fixedly connected to the fitting 5, 6 and forms for the crossbar 8 a guide bearing against which the cross bar 8 pivot about the axis X and along the axis X is axially displaceable. For a possible rectilinear alignment of the crossbar 8 and the guide, both for mounting the cross brace 8 provided fittings 5, 6 are preferably formed with such a coupling bush 12.

Die Verriegelungseinrichtung 11 umfasst ferner eine drehfest mit einer Querverstrebung 8 verbundene federbelastet in die Kupplungsbuchse 12 einrückbare Kupplungshülse 13. Eine solche Kupplungshülse 13 ist einer jeden Kupplungsbuchse 12 zugeordnet zur Ausbildung einer Kupplung, die die Querverstrebung 8 in mindestens zwei Endstellungen gegenüber dem Beschlag 5, 6 arretiert. Der hierfür erforderliche Anpressdruck wird durch eine Federbelastung einer Feder 14 ausgeübt.The locking device 11 further includes a rotatably connected to a cross bar 8 spring-loaded in the coupling sleeve 12 engageable coupling sleeve 13. Such a coupling sleeve 13 is associated with each coupling sleeve 12 for forming a coupling, the crossbar 8 in at least two end positions relative to the fitting 5, the sixth locked. The required contact pressure is exerted by a spring load of a spring 14.

Durch axiales Verschieben der Querverstrebung 8 ist die Kupplungshülse 13 ausrückbar und kuppelt in zwei Endstellungen mit ein- und ausgeklappten Beinelementen 3, 4 bei unterschiedlich verschwenkten Stellungen gegenüber der Achse X wie nachstehend im Einzelnen beschrieben wird.By axial displacement of the crossbar 8, the coupling sleeve 13 is disengaged and couples in two end positions with folded and unfolded leg members 3, 4 at different pivoted positions relative to the axis X as will be described in detail below.

Die Fig. 1 und Fig. 2 zeigt den Klapptisch 1 mit eingeklappten Beinelementen 3, 4. Die Kupplungsbuchse 12 bildet für die Kupplungshülse 13 ein Widerlager, an dem sich die Kupplungshülse 13 abstützt. Die Kupplungshülse 13 weist zur Achse X winkelverstellt angeordnete Kupplungselemente 15, 16 auf, die beim Ein- oder Ausklappen der Beinelemente 3, 4 in einen Wirkeingriff mit der Kupplungsbuchse 12 treten. Die Kupplungshülse 13 weist vorzugsweise zumindest absatzweise konisch ausgebildete Kupplungselemente 16 auf, um einen Klemmkonus auszubilden.The Fig. 1 and Fig. 2 shows the folding table 1 with folded leg elements 3, 4. The coupling bush 12 forms an abutment for the coupling sleeve 13, on which the coupling sleeve 13 is supported. The coupling sleeve 13 has angularly arranged to the axis X arranged coupling elements 15, 16, which upon insertion or unfolding of the leg members 3, 4 in an operative engagement with the coupling socket 12th to step. The coupling sleeve 13 preferably has at least intermittent conical coupling elements 16 in order to form a clamping cone.

Die Kupplungshülse 13 und die Kupplungsbuchse 12 sind als Klauenkupplungsteile ausgebildet, deren Klauenflanken vorzugsweise als ein Kupplungselement 16 einen Klemmkonus ausbilden können. Vorzugsweise treten beide Klauenflanken einer Klaue 30 in Eingriff mit einer Klaue 31 der Kupplungsbuchse 12. Vorzugsweise sind jeweils zwei Klauen 30, 31 umfänglich versetzt angeordnet vorgesehen. Das Klauenkupplungsteil der Kupplungshülse 13 kann einen Klauenkopf aufweisen, bei dem das Kupplungselement 15 einen Formschluss ermöglicht mit der Kupplungsbuchse 12, wodurch die Beinelemente 3, 4 in der eingeklappten Endstellung arretierbar sind. Vorzugsweise ist der Formschluss flach ausgestaltet, um das Entriegeln zu vereinfachen, d.h., dass nur eine geringe Kraft zum Lösen der Arretierung erforderlich ist.The coupling sleeve 13 and the coupling bushing 12 are designed as claw coupling parts whose claw flanks can preferably form a clamping cone as a coupling element 16. Preferably, both claw flanks of a claw 30 engage with a claw 31 of the coupling bushing 12. Preferably, two claws 30, 31 are arranged circumferentially offset. The jaw coupling part of the coupling sleeve 13 may have a jaw head, in which the coupling element 15 enables a positive connection with the coupling socket 12, whereby the leg members 3, 4 can be locked in the folded-in end position. Preferably, the form fit is made flat to facilitate unlocking, that is, only a small force is required to release the lock.

Gemäß Fig. 1 und Fig. 2 stehen Kupplungshülse 13 und Kupplungsbuchse 12 jeweils in einem Wirkeingriff, der die Beinelemente 3, 4 im eingeklappten Zustand arretiert. Die Feder 14, bei der es sich um eine Druckfeder handelt, stützt sich an der Kupplungsbuchse 12 und einer an der Querverstrebung 8 aufgezogenen Federabstützung 17 ab, die beabstandet zur Kupplungshülse 13 angeordnet ist. Durch die Federabstützung 17, die einen Federsitz bildet, wirkt eine Federkraft auf die Kupplungshülse 13, so dass diese mit einem Anpressdruck in die Kupplungsbuchse 12 einrückbar ist.According to Fig. 1 and Fig. 2 stand coupling sleeve 13 and coupling bushing 12 in each case in an operative engagement, which locks the leg members 3, 4 in the folded state. The spring 14, which is a compression spring, is supported on the coupling bushing 12 and a spring support 17 which is mounted on the transverse strut 8 and which is arranged at a distance from the coupling sleeve 13. By the spring support 17, which forms a spring seat, a spring force acts on the coupling sleeve 13, so that it can be engaged with a contact pressure in the coupling sleeve 12.

Die Kupplungsbuchse 12 weist Kupplungselemente 18, 19 auf, die mit Kupplungselementen 15, 16 an der Kupplungshülse 13 korrespondieren. In der dargestellten Endstellung mit eingeklappten Beinelementen 3, 4 stehen die Kupplungselemente 15, 18 in Eingriff miteinander. Eine Federachse der Feder 14 und die Achse X sind vorzugsweise gleichgerichtet.The coupling bushing 12 has coupling elements 18, 19, which correspond to coupling elements 15, 16 on the coupling sleeve 13. In the illustrated end position with folded leg members 3, 4, the coupling elements 15, 18 are engaged with each other. A spring axis of the spring 14 and the axis X are preferably rectified.

Fig. 2, Fig. 3 und Fig. 4 zeigen die Betätigung eines Schiebeelementes 20, wodurch die Querverstrebung 8 eines Beinelementes 3, 4 axial verschiebbar ist. Das Schiebeelement 20 greift an der Federabstützung 17 an, um die Kupplungshülse 13 auszurücken, d.h. die Kupplungsverbindung zu lösen. Das Schiebeelement 20 ist ein Exzenter zum Umwandeln einer Drehbewegung eines Betätigungshebels 21 in eine Schubbewegung. Die axiale Verschiebung erfolgt gegen die Federkraft der Feder 14, die über das Schiebelement 20 komprimierbar ist und einen Federweg als Schubweg der Querverstrebung bereitstellt. Fig. 2 . Fig. 3 and Fig. 4 show the operation of a sliding element 20, whereby the cross-brace 8 of a leg member 3, 4 is axially displaceable. The sliding element 20 engages the spring support 17 to disengage the coupling sleeve 13, that is to release the coupling connection. The sliding member 20 is an eccentric for converting a rotational movement of an operating lever 21 in a pushing movement. The axial displacement takes place against the spring force of the spring 14, which is compressible via the sliding element 20 and provides a spring travel as a thrust stroke of the cross brace.

Mit dem Lösen der Kupplungsverbindung zwischen Kupplungshülse 13 und Kupplungsbuchse 12 durch axiales Verschieben der Querverstrebung 8 können die Beinelemente 3, 4 aufgeklappt werden, wie die Pfeile in Fig. 3 verdeutlichen. Das Aufklappen der Beinelemente 3, 4 erfolgt durch ein Verschwenken der Querverstrebung 8 um die Achse X (Fig. 1) mit der Folge, dass die Kupplungshülse 13 gegenüber der Kupplungsbuchse 12 ebenfalls verschwenkt wird.With the release of the coupling connection between the coupling sleeve 13 and coupling bush 12 by axial displacement of the crossbar 8, the leg elements 3, 4 can be opened, as the arrows in Fig. 3 clarify. The leg members 3, 4 are opened by pivoting the crossbar 8 about the axis X (FIG. Fig. 1 ), with the result that the coupling sleeve 13 with respect to the coupling sleeve 12 is also pivoted.

Die Fig. 5 und Fig. 6 zeigen den Klapptisch 1 mit ausgeklappten Beinelementen 3, 4 und noch gelöster Kupplungsverbindung zwischen Kupplungshülse 13 und Kupplungsbuchse 12. In Fig. 5 wird durch Pfeile angezeigt, dass durch axiales Verschieben der Querverstrebung 8 die Kupplungsverbindung unter der Wirkung der Federkraft der Feder 14 geschlossen wird. Vorzugsweise sind die an gegenüberliegenden Enden einer Tischplatte gelagerten Beinelemente 3, 4 gegenläufig verschiebbar, damit diese in eingeklappter Stellung (vgl. Fig. 1) nebeneinander positionierbar sind und in ausgeklappter Stellung symmetrisch zur Tischplatte 2 positionierbar sind.The Fig. 5 and Fig. 6 show the folding table 1 with unfolded leg elements 3, 4 and still released coupling connection between the coupling sleeve 13 and the coupling sleeve 12. In Fig. 5 is indicated by arrows that by axial displacement of the cross-brace 8, the coupling connection is closed under the action of the spring force of the spring 14. Preferably, the leg elements 3, 4 mounted on opposite ends of a table top are displaceable in opposite directions, so that they are in the folded-in position (cf. Fig. 1 ) are positionable side by side and in the unfolded position symmetrically to the table top 2 can be positioned.

Fig. 7 und Fig. 8 zeigen den Klapptisch 1 mit ausgeklappten Beinelementen 3, 4, die durch eine federbelastete Kupplung zwischen Kupplungshülse 13 und Kupplungsbuchse 12 arretiert sind. Die Kupplungselemente 16, 19 der Kupplungshülse 13 und Kupplungsbuchse 12 stehen nunmehr in Eingriff und verriegeln die Beinelemente 3, 4. Ein Vergleich der Fig. 8 und Fig. 2 verdeutlicht, dass bei der Endstellung der eingeklappten Beinelemente 3, 4 (Fig. 2) gegenüber der Endstellung mit ausgeklappten Beinelementen 3, 4 (Fig. 8) die Kupplungshülse 13 axial verschoben und winkelverstellt kuppelt. Die Kupplung bei der Endstellung mit ausgeklappten Beinelementen 3, 4 (Fig. 8) liefert über einen Klemmkonus der Kupplungselemente 16, 19 einen zentrierten und belastbaren stabilen Stand der arretierten Beinelemente 3, 4. Fig. 7 and Fig. 8 show the folding table 1 with unfolded leg elements 3, 4, which are locked by a spring-loaded coupling between the coupling sleeve 13 and coupling bushing 12. The coupling elements 16, 19 of the coupling sleeve 13 and coupling bush 12 are now in engagement and lock the leg members 3, 4. A comparison of Fig. 8 and Fig. 2 illustrates that in the end position of the folded leg members 3, 4 ( Fig. 2 ) with respect to the end position with unfolded leg elements 3, 4 ( Fig. 8 ) the coupling sleeve 13 axially displaced and adjusted in angle. The coupling in the end position with unfolded leg elements 3, 4 ( Fig. 8 ) supplies via a clamping cone of the coupling elements 16, 19 a centered and resilient stable state of the locked leg elements 3, 4th

Die Kupplungshülse 13 weist einen Fortsatz 22 auf, der mit einem Anschlag 23 an dem Beschlag 5, 6 zusammenwirkt, um ein Überschlagen der Beinelemente 3, 4 zu vermeiden. Ferner kann zwischen benachbarten Beschlägen 5, 6 für eine Querverstrebung 8 ein Stabilisierungssteg 24 vorgesehen sein, um die Synchronizität beider Beschläge 5, 6 zu verbessern, wenn jeweils nur eine Feder 14 für jeweils zwei Beschläge 5, 6 verwendet wird.The coupling sleeve 13 has an extension 22 which cooperates with a stop 23 on the fitting 5, 6, in order to avoid a rollover of the leg members 3, 4. Furthermore, a stabilizing web 24 may be provided between adjacent fittings 5, 6 for a cross-brace 8 in order to improve the synchronicity of both fittings 5, 6, if only one spring 14 is used for each two fittings 5, 6.

Die vorstehenden Ausführungen gelten für alle Beschläge 5, 6 eines Klapptisches 1 entsprechend.The above statements apply to all fittings 5, 6 of a folding table 1 accordingly.

Claims (8)

  1. Folding table (1) with a table top (2), with at least two leg elements (3, 4) which are mounted pivotably about an axis (X) on fittings (5, 6) and are cross-braced with a respective cross brace (8), wherein the cross brace (8) of a leg element (3, 4) is axially displaceable, and with a locking device (11) for locking the leg elements (3, 4) in a folded-up and an unfolded end position, the fittings (5, 6) each have a coupling bush (12) which supports the cross brace (8) of a leg element (3, 4) in a rotatable manner and so as to be axially displaceable along the axis (X), and a coupling sleeve (13) is provided, which coupling sleeve is connected in a rotationally fixed manner to the cross brace (8), can be engaged under spring loading in the coupling bush (12), can be disengaged by displacement of the cross brace (8) along the axis (X) and couples in a differently pivoted manner in the two end positions, and the coupling sleeve (13) and the coupling bush (12) are designed as claw-type coupling parts, wherein the claw-type coupling parts are designed in the manner of a cap, characterized in that the cross brace (8) of a leg element(3, 4) can be displaced axially by means of a sliding element (20) which is an eccentric for converting a rotational movement of an actuating lever (21) into a sliding movement, the cross braces (8) cross-brace the leg elements (3, 4) between two table legs (9, 10) in each case, and the respective cross brace (8) of a leg element (3, 4) bears a spring support (17) at a distance from the coupling sleeve (13), said spring support forming a spring seat for a compression spring (14) which is supported on the coupling bush (12) and holds the cross brace (8) in the region of the spring axis, the sliding element (20) acting on the spring support (17).
  2. Folding table according to Claim 1, characterized in that the coupling bush (12) forms an abutment for the coupling sleeve (13).
  3. Folding table according to Claim 1 or 2, characterized in that the coupling sleeve (13) has coupling elements (15, 16) arranged at an angular displacement with respect to the axis (X).
  4. Folding table according to one of Claims 1 to 3, characterized in that the coupling sleeve (13) has coupling elements (16) which are of conical design at least at intervals.
  5. Folding table according to one of Claims 1 to 4, characterized in that the coupling sleeve (13) and the coupling bush have coupling elements (16, 19) which form claw flanks with a clamping cone.
  6. Folding table according to one of Claims 1 to 5, characterized in that the coupling bushes (12) are arranged below the table top (2).
  7. Folding table according to one of Claims 1 to 6, characterized in that, for the spring loading of the coupling sleeve (13), the coupling bush (12) forms a spring stop for the coupling sleeve (13) which is spring-loaded in relation to the coupling bush (12).
  8. Folding table according to one of Claims 1 to 7, characterized in that the leg elements (3, 4) which are mounted at opposite ends of a table top (2) can be displaced in opposite directions and can be positioned next to each other in a folded-up end position.
EP20090012684 2008-10-09 2009-10-07 Folding table Not-in-force EP2174565B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810051092 DE102008051092A1 (en) 2008-10-09 2008-10-09 folding table

Publications (3)

Publication Number Publication Date
EP2174565A2 EP2174565A2 (en) 2010-04-14
EP2174565A3 EP2174565A3 (en) 2010-11-03
EP2174565B1 true EP2174565B1 (en) 2014-08-13

Family

ID=41503701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090012684 Not-in-force EP2174565B1 (en) 2008-10-09 2009-10-07 Folding table

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EP (1) EP2174565B1 (en)
CN (1) CN101716029A (en)
DE (1) DE102008051092A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014106250B4 (en) * 2014-05-05 2016-05-04 Klaus Ilg-Koehler Und Dietmar Tanterl Gbr (Vertretungsberechtigte Gesellschafter Klaus Ilg-Koehler Und Dietmar Tanterl, München) Joint lock for folding table legs
DE102014110395A1 (en) * 2014-07-23 2016-01-28 Xchange Design Gmbh table
DE102016101605A1 (en) * 2016-01-29 2017-08-03 Christian Regel Mobile folding table
DE102017108179A1 (en) * 2017-04-18 2018-10-18 Cornelius Bobbert table
KR102072104B1 (en) * 2019-01-10 2020-01-31 이재오 foldable table
US11896119B2 (en) * 2019-07-09 2024-02-13 Lifetime Products, Inc. Two-stage lock assembly
CN111035144A (en) * 2019-12-25 2020-04-21 革新（厦门）运动器材有限公司 Supporting structure of table
CN111887580B (en) * 2020-07-09 2022-07-15 浙江护童人体工学科技股份有限公司 Panel turnover type table and sliding unlocking type panel turnover device
DE102021000544A1 (en) 2021-02-03 2022-08-04 Jürgen Junker System for locking and locking hinged fittings

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Publication number Priority date Publication date Assignee Title
GB422043A (en) * 1934-10-16 1935-01-03 Harold Doherty Improvements in and relating to tables, leg-rests and the like
GB1307676A (en) * 1969-06-09 1973-02-21 West Alloy Diecastings Folding-leg apparatus for use with tables
US4064815A (en) * 1976-07-19 1977-12-27 Berco Industries Table leg locking mechanism
DE4419857A1 (en) * 1994-06-07 1995-12-14 Jan Van Koolwijk Table with folding pairs of legs
AU2003218952A1 (en) * 2002-02-18 2003-09-04 Howe Europe A/S Hinge mechanism for folding table legs and a folding table comprising such a mechanism
DE20203739U1 (en) * 2002-03-07 2002-07-04 Hartmann, Horst, Dipl.-Designer, 69245 Bammental Folding mechanism for tables
DE102004040344B3 (en) 2004-08-20 2006-04-13 Hiller Objektmöbel GmbH & Co. KG Fitting for fixing pivoting folding feet
DE202006013345U1 (en) * 2006-08-30 2007-01-18 Hartmann, Horst Flap mechanism for stackable seminar and office tables comprises a locking system consisting of a wedge fixed to a transverse element of a pair of table legs and a conical recess arranged in a rotating fixing element

Also Published As

Publication number Publication date
EP2174565A3 (en) 2010-11-03
DE102008051092A1 (en) 2010-04-15
EP2174565A2 (en) 2010-04-14
CN101716029A (en) 2010-06-02

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