EP3108766B1 - Armrest, especially for an office chair - Google Patents

Armrest, especially for an office chair Download PDF

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Publication number
EP3108766B1
EP3108766B1 EP16001604.4A EP16001604A EP3108766B1 EP 3108766 B1 EP3108766 B1 EP 3108766B1 EP 16001604 A EP16001604 A EP 16001604A EP 3108766 B1 EP3108766 B1 EP 3108766B1
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EP
European Patent Office
Prior art keywords
armrest
arm support
column
lever
actuating element
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EP16001604.4A
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German (de)
French (fr)
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EP3108766A1 (en
Inventor
Hermann Bock
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Bock 1 GmbH and Co KG
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Bock 1 GmbH and Co KG
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Publication of EP3108766A1 publication Critical patent/EP3108766A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
    • A47C1/0305—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction by peg-and-notch or pawl-and-ratchet mechanism
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests

Definitions

  • the invention relates to an armrest, in particular for an office chair or the like, with a armrest carrier and with a height-adjustable armrest column on the armrest carrier.
  • armrests are known in many designs from the prior art.
  • Height-adjustable armrests with actuators to change the height position of the armrest column are, for example US 2009/278393 A1 known.
  • a disadvantage of many of these known armrests is that relatively expensive constructive solutions are used for the height adjustment. This not only results in comparatively high material and manufacturing costs. Since often a large number of individual parts have to be complexly connected with each other, this also leads to relatively high assembly costs.
  • EP 2 177 133 A1 is an armrest support known, which is mounted longitudinally adjustable on an armrest column.
  • one end of the sleeve of the armrest column for the attachment of a support plate of the armrest support is widened.
  • the support plate on this expanded mounting cross section of the sleeve part the support plate on its underside a trough-shaped recess with guide rails, in the corresponding rails of the mounting cross section are inserted.
  • An object of the present invention is to provide a particularly simply constructed armrest, thereby reducing both the material and manufacturing costs, as well as the installation costs, without having to give up the usual functionality.
  • This object is achieved by an armrest according to claim 1.
  • Advantageous embodiments of the invention are specified in the subclaims.
  • the armrest column is integrally formed with its associated actuator for changing the height position of the armrest column. This creates a particularly simple armrest, in which both the Material and manufacturing costs, as well as the installation costs. compared to conventional solutions are reduced, without having to do without the usual functionality, such as the height adjustment.
  • the actuating element is preferably a pushbutton, that is to say a pressure-operable element which actuates the height adjustment, preferably in that the actuating element releases or blocks a locking mechanism directly or indirectly.
  • the actuating element is indirectly or umstoffbar in operative connection with an essential for the function of the height adjustment, in particular the triggering of the height adjustment Funkticnselement, such as a bolt of a multi-digit locking mechanism.
  • the armrest according to the invention in its embodiments is characterized, as will be described further, above all by three things, firstly a combined, preferably one-piece design of as many functional elements as possible, whereby the total number of required components is very low, secondly one resulting from this one-piece simple and inexpensive manufacturability of these components, for example, by a plastic injection molding or the like, and thirdly a very easy installation of all components, in particular such that a preferably completely screwless installation of the armrest is possible. All this contributes to a significant reduction in material, manufacturing and assembly costs compared to conventional armrests.
  • the actuating element is designed as a kind of probe in the form of a two-armed lever, which is connected to form the fulcrum with adjacent side surface parts.
  • the connection of the actuator to the armrest column is in other words at the same time as the pivot point of the lever, so that no additional components are required for this purpose.
  • connection to the armrest column via two opposite to the lever longitudinal edges points, preferably over in the manufacture of the armrest column let material webs, so that armrest column and actuator are in turn integrally connected.
  • An embodiment with a connection of the actuating element by means of material webs is also advantageous because it allows the placement of the material webs and thereby the definition of the length of the lever arms of the actuating element independently of other constructive constraints freely selectable.
  • the armrest has a longitudinally adjustable on the armrest column mounted armrest and the armrest is connected to a preferably integrally connected to the one end of the armrest column, multifunctional connection element provided that carries the armrest, it leads in their longitudinal adjustment and holds them in their respective adjustment position.
  • the connecting element has a substantially U-shaped cross section, which serves to receive and guide the armrest.
  • the U-legs of the connecting element preferably at the free ends of these U-legs, guide rails mounted in the assembled state in corresponding, provided on the armrest, preferably provided on the outside, in particular on the outer longitudinal sides of the Armmüflage engage guide grooves, then this not only serves to hold and guide the armrest.
  • a loss-resistant connection of armrest and connecting element can be made in a structurally simple way.
  • the guide grooves are open on one side, so that a particularly simple mounting of the armrest on the connecting element is possible, since the armrest must then be pushed with their guide only on the guide rails of the connecting element.
  • the guide grooves are then executed closed on the opposite side, so that the pushing of the armrest can only be performed from one side and thus fail-safe. It is particularly advantageous if at the same time a safety catch is provided which prevents the armrest once assembled from being inadvertently separated from the connecting element.
  • a directional locking mechanism is provided for this purpose in one of the open end regions of at least one of the guide grooves, which prevents the connecting element from being removed from the guide grooves when the armrest moves in the longitudinal direction.
  • the directional block has a preferably integrally executed with the armrest, advantageously self-locking blocker, which protrudes into a guide so that it is pushed out during initial assembly of the armrest from the guide and then automatically returns to its the guide groove in the opposite direction blocking starting position.
  • the connecting element has a preferably integrally connected to the U-base latching lug, which engages in the assembled state in provided on the underside of the armrest latching recesses a locking mechanism, preferably a Schubrastgesperre forms with frictional engagement.
  • the preferably self-locking latch serves as a latching latch and the latching recesses serve as latching grooves which define a number of locking positions arranged in the longitudinal direction of the armrest.
  • the locking lug is preferably formed such that the U-bottom of the connecting element at this point has a pointing in the corresponding direction bulge or other suitable deformation, so that an additional, serving as a latching component is not needed.
  • the armrest comprises an armrest support and an armrest cushion disposed on the armrest support.
  • the Armauflagenpolster covers at least one transverse side of the Armauflagenmois at least partially.
  • the armrest pad covers the armrest carrier up to its lower edge on at least one transverse side of the armrest. If the armrest pad covers the front transverse side of the armrest seen in the longitudinal direction, this results in a padded and therefore particularly non-slip support area for the fingers of the chair user. This allows a very comfortable longitudinal adjustment of the armrest.
  • this support area is positioned in an advantageous for a power transmission to the armrest angle, so that for a longitudinal adjustment, starting from the defined by the foremost position of the armrest starting position to the rear, particularly little force is needed.
  • the grip and handleability of the armrest is increased when the Armauflagenpolster the Armauflagenmoi also on the opposite transverse side of the armrest and / or covered on the long sides of the armrest as far as the guide grooves for allow the connector.
  • the armrest 1 for an office chair is composed of comparatively few components.
  • the armrest 1 includes, inter alia, a armrest support 2, a height-displaceable on the armrest support 2, designed in the manner of a sleeve armrest column 3 and one on the armrest column 3 longitudinally adjustable armrest 4.
  • An integrally formed on the vertical leg 5 of the armrest carrier 2 horizontal leg 6 is used to attach the armrest 1 to a base of the office chair.
  • a connecting element 7 is integrally mounted.
  • the connecting element 7 carries the armrest 4, performs the armrest 4 in its longitudinal adjustment and holds them firmly in their respective adjustment.
  • the connecting element 7 has a substantially U-shaped cross-section, which serves to receive and guide the armrest 4.
  • guide rails 9 are mounted, which engage in the assembled state in corresponding, provided on the outer longitudinal sides 11 of the armrests 4 guide grooves 12.
  • the guide grooves 12 are on one side, namely in the same longitudinal direction with the chair longitudinal direction 13 of the armrest 4 seen open to the rear. To assemble the armrest 4, it must be pushed with its guide grooves 12 only on the guide rails 9 of the connecting element 7.
  • the guide grooves 12 are executed on the opposite side, ie forward, closed.
  • a directional locking mechanism is formed which prevents removal of the connecting element 7 from the guide grooves 12 during a movement of the arm rest 4 in the longitudinal direction 13.
  • This pull-out protection is formed by projecting into the guide groove 12 locker 15, which are pushed out of the guide groove 12 during the initial assembly of the armrest 4 and then automatically in their the guide groove 12 return in the opposite direction blocking starting position.
  • the connecting element 7 has a one-piece connected to the U-base 16, defined by a bulge of the U-base 16,sfedernde locking lug 17 which in the assembled state in at the bottom 18 of the armrest 4th provided latching recesses 19 engaging a Schubrastgesperre forms.
  • the latching recesses 19 define a number of locking positions arranged in the longitudinal direction 13 of the armrest 4.
  • the armrest 4 comprises a Armauflagen too 21 and on the Armauf position carrier 21 arranged Armauflagenpolster 22.
  • the Armauflagenpolster 22 covers the seen in the longitudinal direction 13 front transverse side 23 of the armrest 4 to the lower edge 24 of the Armauflagenllys 21st
  • the armrest column 3 has an integrally connected with it actuator 26 for changing the height position of the armrest column 3.
  • the actuator 26 is integrated into the front pillar 27, in other words in the front side surface of the armrest column 3.
  • the actuator 26 is designed as a two-armed lever, which is connected to form the symbolically shown in the figures fulcrum lever 28 with adjacent side surface portions 29 of the armrest column 3.
  • the connection of the actuating element 26 to the armrest column 3 takes place in one piece via two material webs 31 at the lever longitudinal edges 32 opposite points.
  • the material webs 31 are in their material thickness and material properties designed so that they allow a deflection of the lever 26 at a sufficient pivot angle for a sufficient number of repetitions over the life of the armrest 1 sure.
  • the upper, pointing in the direction of the armrest 4 lever arm 33 has on its outer side a surface structuring 34 in the form of some ribs. On the other hand, it leads to improved operability of the actuator 26.
  • the actuator 26 is placed in the armrest column 3, that the position of the upper lever arm 33 easily one-handed operation of the height adjustment itself with a hand laid on the armrest 4 allows.
  • the lever arms 33, 43 of the actuator 26 are of different lengths, the lever lengths are adapted to the requirements for a safe and reliable operation of the height adjustment.
  • the upper lever arm 33 is shorter than the lower lever arm 43.
  • the invention is not limited to an exclusively longitudinally adjustable armrest, but is basically also applicable to such armrests, the armrest is additionally adjustable in transverse direction.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)

Description

Die Erfindung betrifft eine Armlehne, insbesondere für einen Bürostuhl oder dergleichen, mit einem Armlehnenträger und mit einer auf dem Armlehnenträger höhenverschiebbaren Armlehnensäule. Derartige Armlehnen sind in vielfacher Ausführung aus dem Stand der Technik bekannt.The invention relates to an armrest, in particular for an office chair or the like, with a armrest carrier and with a height-adjustable armrest column on the armrest carrier. Such armrests are known in many designs from the prior art.

Höhenverstellbare Armlehnen mit Betätigungselementen zum Ändern der Höhenposition der Armlehnensäule sind beispielsweise aus US 2009/278393 A1 bekannt.Height-adjustable armrests with actuators to change the height position of the armrest column are, for example US 2009/278393 A1 known.

Nachteilig bei vielen dieser bekannten Armlehnen ist es, daß für die Höhenverstellung vergleichsweise aufwendige konstruktive Lösungen verwendet werden. Dies resultiert nicht nur in vergleichsweise hohen Material- und Herstellungskosten. Da oftmals eine Vielzahl von Einzelteilen aufwendig miteinander verbunden werden müssen, führt dies auch zu relativ hohen Montagekosten.A disadvantage of many of these known armrests is that relatively expensive constructive solutions are used for the height adjustment. This not only results in comparatively high material and manufacturing costs. Since often a large number of individual parts have to be complexly connected with each other, this also leads to relatively high assembly costs.

Aus EP 2 177 133 A1 ist eine Armlehnenauflage bekannt, die auf einer Armlehnensäule längsverstellbar angebracht ist. Dabei ist das eine Ende der Hülse der Armlehnensäule für die Befestigung einer Trageplatte der Armlehnenauflage aufgeweitet. Zur Befestigung der Trageplatte auf diesem aufgeweiteten Befestigungsquerschnitt des Hülsenteils weist die Trageplatte an ihrer Unterseite eine wannenförmige Ausnehmung mit Führungsschienen auf, in die entsprechende Schienen des Befestigungsquerschnitts einschiebbar sind.Out EP 2 177 133 A1 is an armrest support known, which is mounted longitudinally adjustable on an armrest column. In this case, one end of the sleeve of the armrest column for the attachment of a support plate of the armrest support is widened. To attach the support plate on this expanded mounting cross section of the sleeve part, the support plate on its underside a trough-shaped recess with guide rails, in the corresponding rails of the mounting cross section are inserted.

Eine Aufgabe der vorliegenden Erfindung ist es, eine besonders einfach aufgebaute Armlehne bereitzustellen, um dadurch sowohl die Material- und Herstellungskosten, als auch die Montagekosten zu verringern, ohne auf die gewohnte Funktionalität verzichten zu müssen.
Diese Aufgabe wird durch eine Armlehne nach Anspruch 1 gelöst. Vorteilhafte Ausführungen der Erfindung sind in den Unteransprüchen angegeben. Erfindungsgemäß ist die Armlehnensäule einteilig mit ihr verbundenes Betätigungselement zum Ändern der Höhenposition der Armlehnensäule ausgeführt. Dadurch wird eine besonders einfach aufgebaute Armlehne geschaffen, bei der sowohl die Material- und Herstellungskosten, als auch die Montagekosten. gegenüber herkömmlichen Lösungen verringert sind, ohne daß auf die gewohnte Funktionalität, wie die Höhenverstellung, verzichtet werden muß.An object of the present invention is to provide a particularly simply constructed armrest, thereby reducing both the material and manufacturing costs, as well as the installation costs, without having to give up the usual functionality.
This object is achieved by an armrest according to claim 1. Advantageous embodiments of the invention are specified in the subclaims. According to the armrest column is integrally formed with its associated actuator for changing the height position of the armrest column. This creates a particularly simple armrest, in which both the Material and manufacturing costs, as well as the installation costs. compared to conventional solutions are reduced, without having to do without the usual functionality, such as the height adjustment.

Bei dem Betätigungselement handelt es sich vorzugsweise um einen Taster, also ein durch Druck bedienbares Element, welches die Höhenverstellung betätigt, vorzugsweise indem das Betätigungselement ein Gesperre direkt oder indirekt löst oder sperrt. Mit anderen Worten steht das Betätigungselement mittelbar oder ummittelbar in Wirkverbindungs mit einem für die Funktion der Höhenverstellung, insbesondere die Auslösung der Höhenverstellung essentiellen Funkticnselement, wie beispielsweise einem Riegel eines mehrstelligen Gesperres.The actuating element is preferably a pushbutton, that is to say a pressure-operable element which actuates the height adjustment, preferably in that the actuating element releases or blocks a locking mechanism directly or indirectly. In other words, the actuating element is indirectly or ummittelbar in operative connection with an essential for the function of the height adjustment, in particular the triggering of the height adjustment Funkticnselement, such as a bolt of a multi-digit locking mechanism.

Die erfindungsgemäße Armlehne in ihren Ausführungsformen zeichnet sich, wie nachfolgend noch weiter beschrieben wird, vor allem durch drei Dinge aus, erstens eine kombinierte, vorzugsweise einteilige Ausführung möglichst vieler Funktionselemente, wodurch die Gesamtzahl der benötigten Komponenten sehr gering ist, zweitens eine aus dieser Einteiligkeit hervorgehende einfache und kostengünstige Herstellbarkeit dieser Komponenten, beispielsweise durch ein Kunststoff-Spritzgießverfahren oder dergleichen, und drittens eine sehr montagefreundliche Ausführung sämtlicher Komponenten, insbesondere derart, daß eine vorzugsweise vollkommen schraubenlose Montage der Armlehne möglich ist. All dies trägt zu einer deutlichen Senkung der Material-, Herstellungs- und Montagekosten gegenüber herkömmlichen Armlehnen bei.The armrest according to the invention in its embodiments is characterized, as will be described further, above all by three things, firstly a combined, preferably one-piece design of as many functional elements as possible, whereby the total number of required components is very low, secondly one resulting from this one-piece simple and inexpensive manufacturability of these components, for example, by a plastic injection molding or the like, and thirdly a very easy installation of all components, in particular such that a preferably completely screwless installation of the armrest is possible. All this contributes to a significant reduction in material, manufacturing and assembly costs compared to conventional armrests.

Ist das Betätigungselement in eine der Seitenflächen der Armlehnensäule integriert, so ist nicht nur eine sehr einfache gleichzeitige Herstellung beider Bauteile möglich. Es ergibt sich auch eine besonders elegante, flache Armlehnensäule ohne überstehende, aus der Armlehnensäule herausragende oder von der Armlehnensäule wegstehende Betätigungselemente.If the actuator integrated into one of the side surfaces of the armrest column, so is not only a very simple simultaneous production of both components possible. It also results in a particularly elegant, flat armrest column without protruding, protruding from the armrest column or wegstehende from the armrest column actuators.

Dies läßt sich besonders einfach dadurch verwirklichen, wenn das Betätigungselement als eine Art Taster in Form eines zweiarmigen Hebels ausgeführt ist, der unter Ausbildung des Hebeldrehpunktes mit benachbarten Seitenflächenpartien verbunden ist. Die Anbindung des Betätigungselements an die Armlehnensäule dient anders ausgedrückt zugleich als Drehpunkt des Hebels, so daß zu diesem Zweck keine zusätzlichen Bauteile erforderlich sind.This can be realized particularly easily by the fact that the actuating element is designed as a kind of probe in the form of a two-armed lever, which is connected to form the fulcrum with adjacent side surface parts. The connection of the actuator to the armrest column is in other words at the same time as the pivot point of the lever, so that no additional components are required for this purpose.

Als besonders gut geeignet hat sich eine Ausführung erwiesen, bei der die Anbindung an die Armlehnensäule über zwei sich an den Hebellängskanten gegenüberliegenden Stellen erfolgt, vorzugsweise über bei der Fertigung der Armlehnensäule stehengelassene Materialstege, so daß Armlehnensäule und Betätigungselement wiederum einteilig miteinander verbunden sind. Eine Ausführung mit einer Anbindung des Betätigungselements mittels Materialstege ist auch deshalb von Vorteil, weil damit die Plazierung der Materialstege und hierdurch die Definition der Länge der Hebelarme des Betätigungselements unabhängig von anderen konstruktiven Zwängen frei wählbar ist.Particularly suitable is an embodiment has proven, in which the connection to the armrest column via two opposite to the lever longitudinal edges points, preferably over in the manufacture of the armrest column let material webs, so that armrest column and actuator are in turn integrally connected. An embodiment with a connection of the actuating element by means of material webs is also advantageous because it allows the placement of the material webs and thereby the definition of the length of the lever arms of the actuating element independently of other constructive constraints freely selectable.

Erfindungsgemäß weist die Armlehne eine auf der Armlehnensäule längsverstellbar angebrachte Armauflage auf und die Armlehne ist mit einem vorzugsweise einteilig mit dem einen Ende der Armlehnensäule verbundenen, multifunktionalen Verbindungselement versehen, das die Armauflage trägt, sie bei ihrer Längsverstellung führt und sie in ihrer jeweiligen Verstellposition festhält.According to the invention the armrest has a longitudinally adjustable on the armrest column mounted armrest and the armrest is connected to a preferably integrally connected to the one end of the armrest column, multifunctional connection element provided that carries the armrest, it leads in their longitudinal adjustment and holds them in their respective adjustment position.

Erfindungsgemäß weist das Verbindungselement einen im wesentlichen U-förmigen Querschnitt auf, der zur Aufnahme und Führung der Armauflage dient. Sind an den U-Schenkeln des Verbindungselements, vorzugsweise an den freien Enden dieser U-Schenkel, Führungsschienen angebracht, die im Montagezustand in korrespondierende, an der Armauflage vorgesehene, vorzugsweise an den Außenseite, insbesondere an den äußeren Längsseiten der Armaüflage vorgesehene Führungsnuten eingreifen, dann dient dies nicht nur zum Halten und Führen der Armauflage. Zugleich kann dadurch auch auf konstruktiv einfache Art und Weise eine verlierfeste Verbindung von Armauflage und Verbindungselement hergestellt werden.According to the invention, the connecting element has a substantially U-shaped cross section, which serves to receive and guide the armrest. Are on the U-legs of the connecting element, preferably at the free ends of these U-legs, guide rails mounted in the assembled state in corresponding, provided on the armrest, preferably provided on the outside, in particular on the outer longitudinal sides of the Armmüflage engage guide grooves, then this not only serves to hold and guide the armrest. At the same time a loss-resistant connection of armrest and connecting element can be made in a structurally simple way.

Erfindungsgemäß sind die Führungsnuten einseitig offen ausgeführt, so daß eine besonders einfache Montage der Armauflage an dem Verbindungselement möglich ist, da die Armauflage mit ihren Führungsnuten dann lediglich auf die Führungsschienen des Verbindungselements aufgeschoben werden muß. Vorzugsweise sind dann die Führungsnuten auf der gegenüberliegenden Seite geschlossen ausgeführt, so daß das Aufschieben der Armauflage nur von einer Seite und damit fehlersicher ausgeführt werden kann. Besonders vorteilhaft ist es, wenn zugleich eine Auszugssicherung vorgesehen ist, die verhindert, daß die einmal montierte Armauflage unbeabsichtigt von dem Verbindungselement getrennt wird.According to the invention, the guide grooves are open on one side, so that a particularly simple mounting of the armrest on the connecting element is possible, since the armrest must then be pushed with their guide only on the guide rails of the connecting element. Preferably, the guide grooves are then executed closed on the opposite side, so that the pushing of the armrest can only be performed from one side and thus fail-safe. It is particularly advantageous if at the same time a safety catch is provided which prevents the armrest once assembled from being inadvertently separated from the connecting element.

Erfindungsgemäß ist hierzu in einem der offenen Endbereiche wenigstens einer der Führungsnuten ein Richtgesperre ausgebildet, das ein Entfernen des Verbindungselements aus den Führungsnuten bei einer Verfahrbewegung der Armauflage in Längsrichtung verhindert. Hierzu weist das Richtgesperre einen vorzugsweise einteilig mit der Armauflage ausgeführten, vorteilhafterweise selbstfedernden Sperrer auf, welcher derart in die eine Führungsnut hineinragt, daß er bei der Erstmontage der Armauflage aus der Führungsnut herausgedrückt wird und anschließend selbsttätig in seine die Führungsnut in Gegenrichtung blockierende Ausgangsstellung zurückgeht. Auch hier sind somit für die Bereitstellung der Auszugssicherung keine separaten Bauteile erforderlich.According to the invention, a directional locking mechanism is provided for this purpose in one of the open end regions of at least one of the guide grooves, which prevents the connecting element from being removed from the guide grooves when the armrest moves in the longitudinal direction. For this purpose, the directional block has a preferably integrally executed with the armrest, advantageously self-locking blocker, which protrudes into a guide so that it is pushed out during initial assembly of the armrest from the guide and then automatically returns to its the guide groove in the opposite direction blocking starting position. Again, no separate components are required for the provision of extract safety.

Zur Ausbildung der Längsverstellung der Armauflage, d. h. einer Verstellung der Armauflage in Längsrichtung der Armauflage, die üblicherweise der Stuhllängsrichtung entspricht, weist das Verbindungselement eine vorzugsweise einteilig mit dem U-Grund verbundene Rastnase auf, die im Montagezustand in an der Unterseite der Armauflage vorgesehene Rastausnehmungen eingreifend ein Rastgesperre, vorzugsweise ein Schubrastgesperre mit Reibungseingriff ausbildet. Die vorzugsweise selbstfedernde Rastnase dient dabei als Rastsperrer und die Rastausnehmungen dienen als Rastnuten, die eine Anzahl von in Längsrichtung der Armauflage angeordneten Raststellungen definieren. Bei dem sich dadurch ergebenden beiderseitig kraftschlüssigem Gesperre entsteht in den Raststellungen lediglich ein erhöhter Widerstand gegen die Bewegung, der durch eine entsprechend erhöhte Kraft überwunden werden kann. Bei einer mit gleichmäßiger Kraft erfolgenden Bewegung findet die Armauflage daher in den betreffenden Stellungen Ruhe- oder Raststellungen. Die Rastnase ist dabei vorzugsweise derart gebildet, daß der U-Grund des Verbindungselements an dieser Stelle eine in die entsprechende Richtung zeigende Auswölbung oder eine andere geeignete Verformung aufweist, so daß ein zusätzliches, als Rastnase dienendes Bauteil nicht benötigt wird.To form the longitudinal adjustment of the armrest, ie an adjustment of the armrest in the longitudinal direction of the armrest, which usually corresponds to the chair longitudinal direction, the connecting element has a preferably integrally connected to the U-base latching lug, which engages in the assembled state in provided on the underside of the armrest latching recesses a locking mechanism, preferably a Schubrastgesperre forms with frictional engagement. The preferably self-locking latch serves as a latching latch and the latching recesses serve as latching grooves which define a number of locking positions arranged in the longitudinal direction of the armrest. In the resulting mutually frictional locking produced in the locking positions only increased resistance to movement, which can be overcome by a correspondingly increased force. In a uniform force movement therefore finds the armrest in the relevant positions rest or Detent positions. The locking lug is preferably formed such that the U-bottom of the connecting element at this point has a pointing in the corresponding direction bulge or other suitable deformation, so that an additional, serving as a latching component is not needed.

In einer besonders bevorzugten Ausführungsform der Erfindung umfaßt die Armauflage einen Armauflagenträger und ein auf dem Armauflagenträger angeordnetes Armauflagenpolster. Dabei überdeckt das Armauflagenpolster wenigstens eine Querseite des Armauflagenträgers zumindest teilweise. Besonders vorteilhaft ist es, wenn das Armauflagenpolster an wenigstens einer Querseite der Armauflage den Armauflagenträger bis zu dessen Unterkante überdeckt. Überdeckt das Armauflagenpolster die in Längsrichtung gesehen vordere Querseite der Armauflage, so ergibt sich ein gepolsterter und dadurch besonders griffiger Auflagebereich für die Finger des Stuhlbenutzers. Dies ermöglicht eine sehr komfortable Längsverstellung der Armauflage. Zudem ist dieser Auflagebereich in einem für eine Kraftübertragung auf die Armauflage vorteilhaften Winkel positioniert, so daß für eine Längsverstellung, ausgehend von der durch die vorderste Position der Armlehne definierte Ausgangsstellung nach hinten, besonders wenig Kraft benötigt wird.In a particularly preferred embodiment of the invention, the armrest comprises an armrest support and an armrest cushion disposed on the armrest support. In this case, the Armauflagenpolster covers at least one transverse side of the Armauflagenträgers at least partially. It is particularly advantageous if the armrest pad covers the armrest carrier up to its lower edge on at least one transverse side of the armrest. If the armrest pad covers the front transverse side of the armrest seen in the longitudinal direction, this results in a padded and therefore particularly non-slip support area for the fingers of the chair user. This allows a very comfortable longitudinal adjustment of the armrest. In addition, this support area is positioned in an advantageous for a power transmission to the armrest angle, so that for a longitudinal adjustment, starting from the defined by the foremost position of the armrest starting position to the rear, particularly little force is needed.

Die Griffigkeit und Handhabbarkeit der Armauflage, vor allem mit Blick auf die Längsverstellung in die entgegengesetzte Richtung, wird erhöht, wenn das Armauflagenpolster den Armauflagenträger auch an der gegenüberliegenden Querseite der Armauflage und/oder an den Längsseiten der Armauflage soweit überdeckt, wie dies die Führungsnuten für das Verbindungselement zulassen.The grip and handleability of the armrest, especially with regard to the longitudinal adjustment in the opposite direction, is increased when the Armauflagenpolster the Armauflagenträger also on the opposite transverse side of the armrest and / or covered on the long sides of the armrest as far as the guide grooves for allow the connector.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher erläutert. Hierbei zeigen:

Fig. 1
eine äußere Seitenansicht einer Armlehne von links,
Fig. 2
eine in Blattebene (AA) geschnittene Seitenansicht der Armlehne von rechts (Vertikalschnitt durch Armlehnensäule und Armauflage),
Fig. 3
eine entlang der Linie BB geschnittene Ansicht der Armlehnen (Vertikalschnitt durch Armlehnensäule und Armauflage),
Fig. 4
eine Prinzipskizze der Arbeitsweise der Riegelvorrichtung für die Höhenverstellung,
Fig. 5
eine entlang der Linie CC geschnittene Ansicht der Armlehne (Vertikalschnitt durch die Armauflage) und
Fig. 6
eine entlang der Linie DD geschnittene Ansicht der Armlehne (Horizontalschnitt durch die Armauflage).
An embodiment of the invention will be explained in more detail with reference to the drawings. Hereby show:
Fig. 1
an outer side view of an armrest from the left,
Fig. 2
one in leaf level (AA) cut side view of the armrest from the right (vertical section through armrest column and armrest),
Fig. 3
a view of the armrests cut along line BB (vertical section through armrest column and armrest),
Fig. 4
a schematic diagram of the operation of the locking device for the height adjustment,
Fig. 5
a section along the line CC view of the armrest (vertical section through the armrest) and
Fig. 6
a section along the line DD view of the armrest (horizontal section through the armrest).

Sämtliche Figuren zeigen die Erfindung nicht maßstabsgerecht, dabei lediglich schematisch und nur mit ihren wesentlichen Bestandteilen. Gleiche Bezugszeichen entsprechen dabei Elementen gleicher oder vergleichbarer Funktion.All figures show the invention not to scale, while only schematically and only with their essential components. The same reference numerals correspond to elements of the same or comparable function.

Die Armlehne 1 für einen Bürostuhl ist aus vergleichsweise wenigen Bauteilen aufgebaut. Die Armlehne 1 umfaßt u. a. einen Armlehnenträger 2, eine auf dem Armlehnenträger 2 höhenverschiebbar angeordnete, nach Art einer Hülse ausgebildete Armlehnensäule 3 und eine auf der Armlehnensäule 3 längsverstellbar angebrachte Armauflage 4. Ein an dem Vertikalschenkel 5 des Armlehnenträgers 2 angeformter Horizontalschenkel 6 dient zur Befestigung der Armlehne 1 an einen Unterbau des Bürostuhles.The armrest 1 for an office chair is composed of comparatively few components. The armrest 1 includes, inter alia, a armrest support 2, a height-displaceable on the armrest support 2, designed in the manner of a sleeve armrest column 3 and one on the armrest column 3 longitudinally adjustable armrest 4. An integrally formed on the vertical leg 5 of the armrest carrier 2 horizontal leg 6 is used to attach the armrest 1 to a base of the office chair.

An dem oberen Ende der Armlehnensäule 3 ist ein Verbindungselement 7 einteilig angebracht. Das Verbindungselement 7 trägt die Armauflage 4, führt die Armauflage 4 bei ihrer Längsverstellung und hält sie in ihrer jeweiligen Verstellposition fest. Das Verbindungselement 7 weist einen im wesentlichen U-förmigen Querschnitt auf, der zur Aufnahme und Führung der Armauflage 4 dient. An den freien Enden der U-Schenkel 8 des Verbindungselements 7 sind Führungsschienen 9 angebracht, die im Montagezustand in korrespondierende, an den äußeren Längsseiten 11 der Armauflagen 4 vorgesehene Führungsnuten 12 eingreifen. Die Führungsnuten 12 sind einseitig, nämlich in der mit der Stuhllängsrichtung identischen Längsrichtung 13 der Armauflage 4 gesehen nach hinten offen ausgeführt. Zur Montage der Armauflage 4 muß diese mit ihren Führungsnuten 12 lediglich auf die Führungsschienen 9 des Verbindungselements 7 aufgeschoben werden. Die Führungsnuten 12 sind auf der gegenüberliegenden Seite, also nach vorn, geschlossen ausgeführt.At the upper end of the armrest column 3, a connecting element 7 is integrally mounted. The connecting element 7 carries the armrest 4, performs the armrest 4 in its longitudinal adjustment and holds them firmly in their respective adjustment. The connecting element 7 has a substantially U-shaped cross-section, which serves to receive and guide the armrest 4. At the free ends of the U-legs 8 of the connecting element 7 guide rails 9 are mounted, which engage in the assembled state in corresponding, provided on the outer longitudinal sides 11 of the armrests 4 guide grooves 12. The guide grooves 12 are on one side, namely in the same longitudinal direction with the chair longitudinal direction 13 of the armrest 4 seen open to the rear. To assemble the armrest 4, it must be pushed with its guide grooves 12 only on the guide rails 9 of the connecting element 7. The guide grooves 12 are executed on the opposite side, ie forward, closed.

In beiden offenen Endbereichen 14 der Führungsnuten 12 ist ein Richtgesperre ausgebildet, das ein Entfernen des Verbindungselements 7 aus den Führungsnuten 12 bei einer Verfahrbewegung der Armauflage 4 in Längsrichtung 13 verhindert. Diese Auszugssicherung wird durch in die Führungsnut 12 hineinragende Sperrer 15 ausgebildet, die bei der Erstmontage der Armauflage 4 aus der Führungsnut 12 herausgedrückt werden und anschließend selbsttätig in ihre die Führungsnut 12 in Gegenrichtung blockierende Ausgangsstellung zurückkehren.In both open end regions 14 of the guide grooves 12, a directional locking mechanism is formed which prevents removal of the connecting element 7 from the guide grooves 12 during a movement of the arm rest 4 in the longitudinal direction 13. This pull-out protection is formed by projecting into the guide groove 12 locker 15, which are pushed out of the guide groove 12 during the initial assembly of the armrest 4 and then automatically in their the guide groove 12 return in the opposite direction blocking starting position.

Zur Ausbildung der Verstellung der Armauflage 4 in Längsrichtung 13 weist das Verbindungselement 7 eine einteilig mit dem U-Grund 16 verbundene, durch eine Auswölbung des U-Grundes 16 definierte, selbstfedernde Rastnase 17 auf, die im Montagezustand in an der Unterseite 18 der Armauflage 4 vorgesehene Rastausnehmungen 19 eingreifend ein Schubrastgesperre ausbildet. Die Rastausnehmungen 19 definieren eine Anzahl von in Längsrichtung 13 der Armauflage 4 angeordneten Raststellungen.To form the adjustment of the armrest 4 in the longitudinal direction 13, the connecting element 7 has a one-piece connected to the U-base 16, defined by a bulge of the U-base 16, selbstfedernde locking lug 17 which in the assembled state in at the bottom 18 of the armrest 4th provided latching recesses 19 engaging a Schubrastgesperre forms. The latching recesses 19 define a number of locking positions arranged in the longitudinal direction 13 of the armrest 4.

Die Armauflage 4 umfaßt einen Armauflagenträger 21 und ein auf dem Armauf lagenträger 21 angeordnetes Armauflagenpolster 22. Das Armauflagenpolster 22 überdeckt die in Längsrichtung 13 gesehen vordere Querseite 23 der Armauflage 4 bis zu der Unterkante 24 des Armauflagenträgers 21.The armrest 4 comprises a Armauflagenträger 21 and on the Armauf position carrier 21 arranged Armauflagenpolster 22. The Armauflagenpolster 22 covers the seen in the longitudinal direction 13 front transverse side 23 of the armrest 4 to the lower edge 24 of the Armauflagenträgers 21st

Die Armlehnensäule 3 weist ein einteilig mit ihr verbundenes Betätigungselement 26 zum Ändern der Höhenposition der Armlehnensäule 3 auf. Das Betätigungselement 26 ist in die Säulenvorderseite 27, anders ausgedrückt in die vordere Seitenfläche der Armlehnensäule 3 integriert. Das Betätigungselement 26 ist dabei als ein zweiarmiger Hebel ausgeführt, der unter Ausbildung des in den Figuren symbolisch dargestellten Hebeldrehpunktes 28 mit benachbarten Seitenflächenpartien 29 der Armlehnensäule 3 verbunden ist. Die Anbindung des Betätigungselements 26 an die Armlehnensäule 3 erfolgt einteilig über zwei Materialstege 31 an sich an den Hebellängskanten 32 gegenüberliegenden Stellen. Die Materialstege 31 sind in ihrer Materialstärke und Materialbeschaffenheit so ausgeführt, daß sie ein Auslenken des Hebels 26 in einem ausreichenden Schwenkwinkel für eine ausreichende Anzahl an Wiederholungen über die Lebensdauer der Armlehne 1 sicher ermöglichen.The armrest column 3 has an integrally connected with it actuator 26 for changing the height position of the armrest column 3. The actuator 26 is integrated into the front pillar 27, in other words in the front side surface of the armrest column 3. The actuator 26 is designed as a two-armed lever, which is connected to form the symbolically shown in the figures fulcrum lever 28 with adjacent side surface portions 29 of the armrest column 3. The connection of the actuating element 26 to the armrest column 3 takes place in one piece via two material webs 31 at the lever longitudinal edges 32 opposite points. The material webs 31 are in their material thickness and material properties designed so that they allow a deflection of the lever 26 at a sufficient pivot angle for a sufficient number of repetitions over the life of the armrest 1 sure.

Der obere, in Richtung der Armauflage 4 weisende Hebelarm 33 weist an seiner Außenseite eine Oberflächenstrukturierung 34 in Gestalt einiger Rippen auf. Diese Strukturierung 34 dient einerseits zum blinden Ertasten der Betätigungsfläche 35 des Hebelarms 34. Andererseits führt sie zu einer verbesserten Bedienbarkeit des Betätigungselements 26. Das Betätigungselement 26 ist derart in der Armlehnensäule 3 plaziert, daß die Position des oberen Hebelarms 33 problemlos eine Einhandbedienung der Höhenverstellung selbst mit einer auf der Armauflage 4 aufgelegten Hand ermöglicht.The upper, pointing in the direction of the armrest 4 lever arm 33 has on its outer side a surface structuring 34 in the form of some ribs. On the other hand, it leads to improved operability of the actuator 26. The actuator 26 is placed in the armrest column 3, that the position of the upper lever arm 33 easily one-handed operation of the height adjustment itself with a hand laid on the armrest 4 allows.

Wird von einem Benutzer in einer senkrecht auf die Betätigungsfläche 34 zu weisenden Betätigungsrichtung 36 Druck auf die Betätigungsfläche 34 des Betätigungselements 26 ausgeübt, schwenkt der obere Hebelarm 33 gegen den Druck eines lediglich symbolisch dargestellten Federelements 37 nach innen, d. h. in das Innere der Armlehnensäule 3, wobei die Schwenkbewegung 39 durch einen ebenfalls nur symbolisch dargestellte Anschlag 38 begrenzt wird.If pressure is exerted on the actuating surface 34 of the actuating element 26 by a user in an actuating direction 36 to be pointed perpendicularly to the actuating surface 34, the upper lever arm 33 pivots inwardly against the pressure of a spring element 37 which is merely symbolically represented, d. H. in the interior of the armrest column 3, wherein the pivoting movement 39 is limited by a likewise only symbolically shown stop 38.

Zur Höhenverstellung sind an dem Armlehnenträger 2 in Verschieberichtung 41 übereinander angeordnete Ausnehmungen 42 vorgesehen, die zur Ausbildung eines mehrstelligen Gesperres dienen, wobei die Ausnehmungen 42 in Richtung der Säulenvorderseite 27 geöffnet sind. In eine dieser Ausnehmungen 42 greift ein an dem freien Ende des unteren Hebelarmes 43 angebrachter Riegel 44 ein. Schwenkt nun der obere Hebelarm 33 nach innen, so schwenkt zugleich der untereFor height adjustment 41 superposed recesses 42 are provided on the armrest support 2 in the direction of displacement, which serve to form a mehrstelligen locking, wherein the recesses 42 are opened in the direction of the column front side 27. In one of these recesses 42 engages a mounted on the free end of the lower lever arm 43 latch 44 a. Now, if the upper lever arm 33 pivots inwards, the lower one pivots at the same time

Hebelarm 43 nach außen, d. h. aus der Seitenfläche der Armlehnensäule 3 heraus. Dadurch wird auch der Riegel 45 aus der jeweiligen Ausnehmung 42 herausgeschwenkt, das Gesperre wird gelöst und eine Höhenverschiebung der Armlehnensäule 3 kann erfolgen. Wird das Betätigungselement 26 nicht mehr betätigt, wird also kein Druck mehr auf die Betätigungsfläche 35 ausgeübt, greift der Riegel 44 erneut in eine entsprechende Ausnehmung 42 ein und die Höhe der Armlehnensäule 3 wird festgestellt.Lever arm 43 to the outside, d. H. from the side surface of the armrest column 3 out. As a result, the latch 45 is pivoted out of the respective recess 42, the locking mechanism is released and a height shift of the armrest column 3 can take place. If the actuator 26 is no longer actuated, so no pressure is exerted on the actuating surface 35, the bolt 44 engages again in a corresponding recess 42 and the height of the armrest column 3 is detected.

Die Hebelarme 33, 43 des Betätigungselements 26 sind unterschiedlich lang, wobei die Hebellängen den Anforderungen an eine sichere und zuverlässige Betätigung der Höhenverstellung angepaßt sind. Vorteilhaftweise ist der obere Hebelarm 33 kürzer als der untere Hebelarm 43.The lever arms 33, 43 of the actuator 26 are of different lengths, the lever lengths are adapted to the requirements for a safe and reliable operation of the height adjustment. Advantageously, the upper lever arm 33 is shorter than the lower lever arm 43.

Die Erfindung ist nicht auf eine ausschließlich längsverstellbare Armauflage beschränkt, sondern ist grundsätzlich auch auf solche Armlehnen übertragbar, deren Armauflage zusätzlich querverstellbar ist.The invention is not limited to an exclusively longitudinally adjustable armrest, but is basically also applicable to such armrests, the armrest is additionally adjustable in transverse direction.

Alle in der Beschreibung, den nachfolgenden Ansprüchen und der Zeichnung dargestellten Merkmale können sowohl einzeln. als auch in beliebiger Kombination miteinander erfindungswesentlich sein.All features set forth in the description, the appended claims and the drawings may be considered individually. as well as in any combination with each other essential to the invention.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Armlehnearmrest
22
Armlehnenträgerarmrest support
33
Armlehnensäulearmrests column
44
Armauflagearmrest
55
Vertikalschenkelvertical leg
66
Horizontalschenkelhorizontal leg
77
Verbindungselementconnecting member
88th
U-SchenkelU-leg
99
Führungsschieneguide rail
1010
(frei)(free)
1111
ArmauflagenlängsseiteArmauflagenlängsseite
1212
Führungsnutguide
1313
Längsrichtunglongitudinal direction
1414
offener Endbereichopen end area
1515
Sperrerblocker
1616
U-GrundU-Grund
1717
Rastnaselocking lug
1818
ArmauflagenunterseiteArmauflagenunterseite
1919
Rastausnehmungrecess
2020
(frei)(free)
2121
ArmauflagenträgerArmauflagenträger
2222
ArmauflagenpolsterArmauflagenpolster
2323
vordere Querseitefront transverse side
2424
Unterkantelower edge
2525
(frei)(free)
2626
Betätigungselement, HebelActuator, lever
2727
SäulenvorderseiteColumns front
2828
HebeldrehpunktFulcrum
2929
SeitenflächepartieSide surface section
3030
(frei)(free)
3131
Materialstegmaterial web
3232
HebellängskanteLever longitudinal edge
3333
oberer Hebelarmupper lever arm
3434
Oberflächenstruktur, RippeSurface texture, rib
3535
Betätigungsflächeactuating surface
3636
Betätigungsrichtungoperating direction
3737
Federelementspring element
3838
Anschlagattack
3939
Schwenkbewegungpivotal movement
4040
(frei)(free)
4141
Verschieberichtungdisplacement direction
4242
Ausnehmungrecess
4343
unterer Hebelarmlower lever arm
4444
Riegelbars

Claims (6)

  1. Armrest (1), in particular for an office chair or the like, having an armrest support (2), having an armrest column (3) which is height adjustable on the armrest support (2), the armrest column (3) comprises an actuating element (26) for altering the height position of the armrest column (3), the actuating element (26) preferably being connected to the armrest column (3), wherein an arm support (4) is provided, which is mounted so as to be length-adjustable on the armrest column (3), wherein a connecting element (7), which carries the arm support (4), guides the arm support (4) in its length adjustment and fixes the arm support (4) in its respective adjustment position, is mounted in an integral manner on the one end of the armrest column (3), wherein the connecting element (7) comprises a substantially U-shaped cross section which serves for receiving and guiding the arm support (4) and wherein guide rails (9), which, in the mounted state, engage in corresponding guide grooves (12) which are provided on the arm support (4), are mounted on the U-portions (8) of the connecting element (7), characterized in that the guide grooves (12) are realized open at one end, wherein an alignment locking mechanism is realized in one of the open end regions (14) of at least one of the guide grooves (12).
  2. Armrest (1) according to Claim 1, wherein the actuating element (26) is realized as preferably integral part of one of the side surfaces (27) of the armrest column (3).
  3. Armrest (1) according to Claim 2, wherein the actuating element (26) is a two-armed lever which is connected, preferably in an integral manner by means of material webs (31), to adjacent side surface parts (29) at two oppositely situated points on the lever longitudinal edges (32) thereby realizing the lever pivot point (28).
  4. Armrest (1) according to Claim 3, characterized in that an actuating surface (35) is provided on a top lever arm (33) of the actuating element (26) and a locking bar (44) is provided on a bottom lever arm (43) of the actuating element (26), which locking bar (44) moves out of a recess (42) of a multi-position locking mechanism when the actuating surface (34) is actuated and frees the height adjusting means.
  5. Armrest (1) according to one of Claims 1 to 4, characterized in that the connecting element (7) comprises a latching lug (17), which is preferably connected to the U-base (16) in an integral manner and, in the mounted state, realizes a latching locking mechanism which engages in latching recesses (19) which are provided on the bottom surface (18) of the arm support (4) and define a number of latching positions which are arranged in the longitudinal direction (13).
  6. Armrest (1) according to one of Claims 1 to 5, characterized in that the arm support (4) includes an arm support carrier (21) and an arm support cushion (22) which is arranged on the arm support carrier (21), wherein the arm support cushion (22) covers at least one transverse surface (23) of the arm support carrier (21) at least in part.
EP16001604.4A 2013-05-08 2014-05-08 Armrest, especially for an office chair Active EP3108766B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104809.9A DE102013104809B4 (en) 2013-05-08 2013-05-08 Armrest, especially for an office chair
EP14726881.7A EP2994016A1 (en) 2013-05-08 2014-05-08 Armrest, especially for an office chair

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP14726881.7A Division EP2994016A1 (en) 2013-05-08 2014-05-08 Armrest, especially for an office chair

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Publication Number Publication Date
EP3108766A1 EP3108766A1 (en) 2016-12-28
EP3108766B1 true EP3108766B1 (en) 2018-04-18

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Country Status (4)

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US (1) US20160088946A1 (en)
EP (2) EP3108766B1 (en)
DE (1) DE102013104809B4 (en)
WO (1) WO2014180570A1 (en)

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DE102015201232A1 (en) 2015-01-26 2016-07-28 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg vehicle seat
USD775846S1 (en) * 2015-09-04 2017-01-10 Zhongshan Shi Songlin Furniture Co., Ltd. Armrest
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EP3108766A1 (en) 2016-12-28
US20160088946A1 (en) 2016-03-31
WO2014180570A1 (en) 2014-11-13
EP2994016A1 (en) 2016-03-16
DE102013104809A1 (en) 2014-11-13

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