EP1424030A1 - Height-adjustable armrest - Google Patents

Height-adjustable armrest Download PDF

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Publication number
EP1424030A1
EP1424030A1 EP03027061A EP03027061A EP1424030A1 EP 1424030 A1 EP1424030 A1 EP 1424030A1 EP 03027061 A EP03027061 A EP 03027061A EP 03027061 A EP03027061 A EP 03027061A EP 1424030 A1 EP1424030 A1 EP 1424030A1
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EP
European Patent Office
Prior art keywords
armrest
latching
insert
holder
corner
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.)
Granted
Application number
EP03027061A
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German (de)
French (fr)
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EP1424030B1 (en
Inventor
Heinrich Fromme
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.)
Froli Kunststoffwerk Heinrich Fromme OHG
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Froli Kunststoffwerk Heinrich Fromme OHG
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Publication of EP1424030A1 publication Critical patent/EP1424030A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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

Definitions

  • the invention relates to an armrest with a on a base a chair, armchair or the like attached armrest support, whose tubular formed and with spaced-apart locking recesses provided armrest holder from one with the armrest connected guide sleeve overlapped essentially positively is, the guide sleeve with armrest opposite the armrest holder is displaceable in steps, and wherein the locking mechanism as a latching means which can be inserted into the guide sleeve is formed.
  • EP 1 258 209 describes an adjustment mechanism for one known part of a frame to be adjusted.
  • an armrest is described, which is opposite the base of the Chair is adjustable in height.
  • an armrest holder with the Base frame of the chair connected in such a way that it is (chair) fixed to the frame is arranged.
  • a guide sleeve is connected to the armrest, which slidably arranged across the armrest holder on it is.
  • a locking mechanism is provided which in the armrest holder with the Armrest is connected. This is at least this armrest holder partially designed as a tube, in the cavity of the locking mechanism is used.
  • the cavity of this Adjustment cartridge takes a displaceable compared to the adjustment cartridge Adjustable sword, whose head is connected to the armrest is, and in which a trigger rod is guided.
  • This trigger bar points to the one inserted into the adjustment sword End a window with an oblique guide, which acts as a guide backdrop serves for a locking body that protrudes laterally with its Protrusions in the window.
  • this trigger bar is actuated the locking body becomes perpendicular to the axis of the adjustment sword so moved that its supernatants correspond to one of the Locking openings can be inserted or moved out of them.
  • a locking means is a snap-in module in the cavity of the armrest holder used, which is essentially the shape of a right-angled acute angle Triangle. Its right angle Corner is provided with stub axles that protrude to the side are mounted in the arm support head, so that the snap-in module can be pivoted about this axis.
  • To trigger the swivel movement is the one associated with the more obtuse of the two remaining angles Corner designed as a release lever and from the armrest support head led out so that operation by the seated person is easy is possible if it grips under the armrest.
  • Close to The third corner of the snap-in module has a snap-in lug that matches the Interlocking recesses cooperate.
  • This locking insert is with a locking plate on the Head of the armrest support is screwed into place held, the stub axles in corresponding recesses of the Arm support head are lying.
  • This locking plate is advantageous trained that with the retaining screw holder for one of the Holding screws is provided. So the release lever can be centrally in Escape are formed with the locking insert, which is then a formation has such that it is carried out under the locking plate can be.
  • the return spring is molded onto the free end of the locking insert U or V-shaped. Your advantageously rounded free The end forms a circular arc on the opposite of the recesses Inner wall of the slot receiving the locking insert is present and "unroll" when the return spring is tensioned or released can.
  • the locking insert is advantageously made in one piece from a plastic Injection molded part.
  • the trigger lever is also molded, as well as the return spring.
  • This manufacture represents an economical one Production safe even with medium quantities.
  • Plastic is advantageously a higher thermoplastic Strength, such as a thermoplastic polycondensate, for example a polyamide or polycarbonate, possibly with fiber reinforcement, or a plastic with high elasticity, such as a thermoplastic polymer, for example a polyoxymethylene or polyacetal.
  • the armrest On the base of a chair (neither of which are shown) Armrests provided on both sides, which are connected to the base are.
  • the armrest has an armrest holder 15, which with a means of connecting to the base of the chair - here represented by the angle approach 15.1 - is provided.
  • the armrest holder 15 attached to the chair is the armrest holder 10 with its sleeve 11 so that the arm support head 10.1 freestanding the armrest 20 can accommodate the by means of the guided by the retaining screw receptacles 14 and in this screwed retaining screw 21 is screwed.
  • This to the Armrest support head 10.1 attached guide sleeve 11 takes the armrest holder 15 so that the guide sleeve 11 for height adjustment can be moved in approximately the vertical direction.
  • spring inserts 15.2 arranged at least on one side on the armrest holder 15. This Spring inserts 15.2 are, for example, as a clasp with legs outward waves formed on the depressed Tips the sleeve 11 glides smoothly and smoothly and at rest is stored without play without rattling.
  • locking means that can be triggered to move. These consist of one into a corresponding slot in the armrest holder 15 inserted slot 17. This is approximately in the form of a right-angled Triangular, with the corresponding to the right angle Corner stub 17.2 are provided These stub axles 17.2 are used in stub axle mounts in armrest support head 10.1, so that the latch insert 17 is pivotally held.
  • the triangle the latching insert 17 is formed as an acute-angled triangle, a trigger button 17.2 is attached to its corner with the obtuse angle is.
  • This release button 17.2 is from the arm support head 10.1 led out so that the person sitting in the chair this release button 17.2 can easily grip and operate.
  • a locking lug 18 is provided Near the other one acute angle associated corner of the triangular snap-in module 17 . This latch engages in between webs formed recesses 16 and thus blocks mobility, even if a force is exerted on the armrest 20. Finally is at the corner associated with this acute angle an approximately U or V-shaped return spring 19 formed, the free end against the closed back of the slot 17 receiving the slot the armrest holder is supported.

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

Abstract

The lower part (15) of the armrest support element is attached with its lower end to the seat area and accommodated with its upper end inside the upper part (11) which carries the actual armrest (20). An inner element (17) is kept in position by a hook shaped extension (17.2) located at its upper end joined to the upper element and a projection (18) engaging with one of several recesses (16) provided at the inner surface of the part (15). For adjustment a button (17.1) is pressed and the lower end (18) of the inner element (17) released in order to be moved to the recess (16) located at the required height.

Description

Die Erfindung betrifft eine Armstütze mit einem an einem Untergestell eines Stuhles, Sessels o.dgl. befestigten Armstützenträger, dessen rohrförmig ausgebildeter und mit voneinander beabstandeten Rastausnehmungen versehener Armstützenhalter von einer mit der Armauflage verbundenen Führungshülse im Wesentlichen formschlüssig übergriffen ist, wobei die Führungshülse mit Armauflage gegenüber dem Armstützenhalter in Schritten verschiebbar ist, und wobei die Rastmechanik als ein in der Führungshülse einführbares Rastmittel ausgebildet ist.The invention relates to an armrest with a on a base a chair, armchair or the like attached armrest support, whose tubular formed and with spaced-apart locking recesses provided armrest holder from one with the armrest connected guide sleeve overlapped essentially positively is, the guide sleeve with armrest opposite the armrest holder is displaceable in steps, and wherein the locking mechanism as a latching means which can be inserted into the guide sleeve is formed.

Aus der EP 1 258 209 ist ein Verstellmechanismus für ein gegenüber einem Gestell zu verstellendes Teil bekannt. Als Ausführungsbeispiel wird eine Armstütze beschrieben, die gegenüber dem Untergestell des Stuhles höhenverstellbar ist. Dazu wird ein Armstützenhalter mit dem Untergestell des Stuhles so verbunden, dass er (stuhl-)gestellfest angeordnet ist. Mit der Armauflage ist eine Führungshülse verbunden, die den Armstützenhalter übergreifend auf ihm verschieblich angeordnet ist. Zur schrittweisen Verstellung der Höhe der Armauflage ist eine Rastmechanik vorgesehen, die in dem Armstützenhalter mit der Armauflage verbunden ist. Dazu ist dieser Armstützenhalter zumindest teilweise als Rohr ausgebildet, in dessen Hohlraum die Rastmechanik eingesetzt wird. Diese wird von einer Verstellkartusche mit hohlem Innenraum und mit voneinander beabstandeten Rastöffnungen gebildet, die fest in den Armstützenhalter eingesetzt sind. Der Hohlraum dieser Verstellkartusche nimmt ein gegenüber der Verstellkartusche verschiebbares Verstellschwert auf, dessen Kopf mit der Armauflage verbunden ist, und in dem eine Auslösestange verschiebbar geführt ist. Diese Auslösestange weist an dem in das Verstellschwert eingeführten Ende ein Fenster mit einer Schrägführung auf, die als Führungskulisse für einen Sperrkörper dient, der seitlich überstehend mit seinen Überständen in dem Fenster geführt ist. Bei Betätigung dieser Auslösestange wird der Sperrkörper rechtwinklig zur Achse des Verstellschwertes so bewegt, dass seine Überstände in eine der korrespondierenden Rastöffnungen einführbar bzw. aus diesen heraus bewegbar ist. Dieser Aufbau einer Höhenverstellung einer Armstütze mit seiner Reihe von Einzelteilen ist äußert komplex aufgebaut und so nicht einfach und wirtschaftlich herstellbar.EP 1 258 209 describes an adjustment mechanism for one known part of a frame to be adjusted. As an embodiment an armrest is described, which is opposite the base of the Chair is adjustable in height. For this, an armrest holder with the Base frame of the chair connected in such a way that it is (chair) fixed to the frame is arranged. A guide sleeve is connected to the armrest, which slidably arranged across the armrest holder on it is. For gradually adjusting the height of the armrest a locking mechanism is provided which in the armrest holder with the Armrest is connected. This is at least this armrest holder partially designed as a tube, in the cavity of the locking mechanism is used. This is from an adjustable cartridge with a hollow Interior and formed with spaced-apart locking openings, which are firmly inserted in the armrest holder. The cavity of this Adjustment cartridge takes a displaceable compared to the adjustment cartridge Adjustable sword, whose head is connected to the armrest is, and in which a trigger rod is guided. This trigger bar points to the one inserted into the adjustment sword End a window with an oblique guide, which acts as a guide backdrop serves for a locking body that protrudes laterally with its Protrusions in the window. When this trigger bar is actuated the locking body becomes perpendicular to the axis of the adjustment sword so moved that its supernatants correspond to one of the Locking openings can be inserted or moved out of them. This construction of a height adjustment of an armrest with its row of individual parts is extremely complex and not easy and economically producible.

Somit ergibt sich die Aufgabenstellung, eine gattungsgemäße Armstütze, die höhenverstellbar ist, vorzuschlagen, deren vereinfachter Aufbau wirtschaftlich herstellbar ist.This results in the task, a generic armrest, which is adjustable in height to propose its simplified Structure is economically producible.

Diese Aufgabenstellung wird durch die kennzeichnenden Merkmale des Hauptanspruchs gelöst; vorteilhafte Weiterbildungen und bevorzugte Ausführungsformen beschreiben die Unteransprüche.This task is characterized by the characteristic features of the Main claim solved; advantageous developments and preferred Embodiments describe the subclaims.

Als Rastmittel ist in den Hohlraum des Armstützenhalters ein Rasteinschub eingesetzt, der im Wesentlichen die Form eines rechtwinkligspitzwinkligen Dreiecks aufweist. Seine dem rechten Winkel entsprechende Ecke ist mit seitlich überstehenden Achsstummeln versehen, die im Armstützenträgerkopf gelagert sind, so dass der Rasteinschub um diese Achse geschwenkt werden kann. Zum Auslösen der Schwenkbewegung ist dessen dem stumpferen der beiden restlichen Winkel zugeordnete Ecke als Auslöshebel ausgebildet und aus dem Armstützenträgerkopf so herausgeführt, dass eine Bedienung durch den Sitzenden einfach möglich ist, wenn dieser die Armauflage untergreift. Nahe der dritten Ecke weist der Rasteinschub eine Rastnase auf, die mit den Rastausnehmungen zusammenwirkt. An diese dritte Ecke des Rasteinsatzes ist eine Rückstellfeder angeformt, die sich an der Innenwandung abstützt, die den Rastausnehmungen gegenüberliegt. Mit dieser Anordnung gelingt es, die Rastmechanik mit dem in die Führungshülse einführbaren Rastmittel so auszubilden, dass nur ein Teil hergestellt und eingesetzt werden muss.As a locking means is a snap-in module in the cavity of the armrest holder used, which is essentially the shape of a right-angled acute angle Triangle. Its right angle Corner is provided with stub axles that protrude to the side are mounted in the arm support head, so that the snap-in module can be pivoted about this axis. To trigger the swivel movement is the one associated with the more obtuse of the two remaining angles Corner designed as a release lever and from the armrest support head led out so that operation by the seated person is easy is possible if it grips under the armrest. Close to The third corner of the snap-in module has a snap-in lug that matches the Interlocking recesses cooperate. At this third corner of the rest area is a return spring formed on the inner wall supports, which is opposite the locking recesses. With this arrangement succeeds in locking mechanism with the insertable into the guide sleeve Design locking devices so that only one part is manufactured and must be used.

Dieser Rasteinsatz wird dabei mit einer Riegelplatte, die auf den Kopf des Armstützenträger aufgeschraubt wird, in seiner Position gehalten, wobei die Achsstummel in entsprechenden Ausnehmungen des Armstützenträgerkopf liegen. Diese Riegelplatte ist vorteilhaft so ausgebildet, dass sie mit der Halteschraubenaufnahme für eine der Halteschrauben versehen ist. So kann der Auslösehebel zentral in Flucht mit dem Rasteinsatz ausgebildet werden, der dann eine Ausformung derart aufweist, dass er unter der Riegelplatte durchgeführt werden kann.This locking insert is with a locking plate on the Head of the armrest support is screwed into place held, the stub axles in corresponding recesses of the Arm support head are lying. This locking plate is advantageous trained that with the retaining screw holder for one of the Holding screws is provided. So the release lever can be centrally in Escape are formed with the locking insert, which is then a formation has such that it is carried out under the locking plate can be.

Die an das freie Ende des Rasteinsatzes angeformte Rückstellfeder ist U- oder V-förmig ausgebildet. Ihr vorteilhaft abgerundetes freies Ende bildet einen Kreisbogen, der auf der den Rastausnehmungen gegenüberliegenden Innenwandung des den Rasteinsatz aufnehmenden Schlitzes anliegt und beim Spannen bzw. Entspannen der Rückstellfeder "abrollen" kann.The return spring is molded onto the free end of the locking insert U or V-shaped. Your advantageously rounded free The end forms a circular arc on the opposite of the recesses Inner wall of the slot receiving the locking insert is present and "unroll" when the return spring is tensioned or released can.

Vorteilhaft wird der Rasteinsatz einstückig aus einem Kunststoff als Spritzgussteil geformt. Der Auslösehebel ist dabei ebenso angeformt, wie auch die Rückstellfeder. Diese Herstellung stellt eine wirtschaftliche Fertigung schon bei mittleren Stückzahlen sicher. Als Kunststoff wird vorteilhaft ein thermoplastischer Kunststoff hoher Festigkeit, etwa ein thermoplastisches Polykondensat, beispielsweise ein Polyamid oder Polycarbonat, ggf. noch mit Fasernverstärkung, oder ein Kunststoff hoher Elastizität, etwa ein thermoplastisches Polymerisat, beispielsweise ein Polyoxymethylen oder Polyacetal. The locking insert is advantageously made in one piece from a plastic Injection molded part. The trigger lever is also molded, as well as the return spring. This manufacture represents an economical one Production safe even with medium quantities. As Plastic is advantageously a higher thermoplastic Strength, such as a thermoplastic polycondensate, for example a polyamide or polycarbonate, possibly with fiber reinforcement, or a plastic with high elasticity, such as a thermoplastic polymer, for example a polyoxymethylene or polyacetal.

Das Wesen der Erfindung wird an Hand der in den Figuren 1 bis 4 dargestellten Ausführungsbeispielen näher erläutert; dabei zeigen:

Fig. 1:
Armstütze mit überlagert dargestellter ausgelöster Position (teilgeschnitten);
Fig. 2:
Armstütze ( - Aufsicht - jedoch ohne Armauflage);
Fig. 3:
Armstütze mit ausgelöster Rastung in oberster Position (entspr. Fig. 1 - jedoch ohne Armauflage);
Fig. 4:
Explosionsdarstellung der Armstütze (ohne Armauflage).
The essence of the invention is explained in more detail with reference to the exemplary embodiments illustrated in FIGS. 1 to 4; show:
Fig. 1:
Armrest with overlaid triggered position (partially cut);
Fig. 2:
Armrest (- supervision - but without armrest);
Fig. 3:
Armrest with triggered detent in the top position (corresponds to Fig. 1 - but without armrest);
Fig. 4:
Exploded view of the armrest (without armrest).

Am Untergestell eines Stuhles (beides nicht näher dargestellt) sind beidseits Armstützen vorgesehen, die mit dem Untergestell verbunden sind. Dazu weist die Armstütze einen Armstützenhalter 15 auf, der mit einem Mittel zum Verbinden mit dem Untergestell des Stuhles - hier durch den Winkelansatz 15.1 dargestellt - versehen ist. Auf diesen so an den Stuhl gestellfest angesetzten Armstützenhalter 15 ist der Armstützenträger 10 mit seiner Hülse 11 so aufgesetzt, dass der Armstützenträgerkopf 10.1 freistehend die Armauflage 20 aufnehmen kann, die mittels der durch die Halteschraubenaufnahmen 14 geführten und in dieser verschraubten Halteschraube 21 angeschraubt wird. Diese an den Armstützenträgerkopf 10.1 angesetzte Führungshülse 11 nimmt den Armstützenhalter 15 so auf, dass die Führungshülse 11 zur Höhenverstellung in etwa vertikaler Richtung verschoben werden kann. Zum Ausgleich von Toleranzen und zum Hemmen der Bewegung sind Federeinlagen 15.2 zumindest einseitig an dem Armstützenhalter 15 angeordnet. Diese Federeinlagen 15.2 sind beispielsweise als Spange mit Schenkeln mit nach außen gerichteten Wellen ausgebildet, auf deren niedergedrückten Spitzen die Hülse 11 spielfrei mit leichtem Lauf gleitet und in Ruhe spielfrei ohne Klappern gelagert ist.On the base of a chair (neither of which are shown) Armrests provided on both sides, which are connected to the base are. For this purpose, the armrest has an armrest holder 15, which with a means of connecting to the base of the chair - here represented by the angle approach 15.1 - is provided. On this one the armrest holder 15 attached to the chair is the armrest holder 10 with its sleeve 11 so that the arm support head 10.1 freestanding the armrest 20 can accommodate the by means of the guided by the retaining screw receptacles 14 and in this screwed retaining screw 21 is screwed. This to the Armrest support head 10.1 attached guide sleeve 11 takes the armrest holder 15 so that the guide sleeve 11 for height adjustment can be moved in approximately the vertical direction. To compensate of tolerances and to inhibit movement are spring inserts 15.2 arranged at least on one side on the armrest holder 15. This Spring inserts 15.2 are, for example, as a clasp with legs outward waves formed on the depressed Tips the sleeve 11 glides smoothly and smoothly and at rest is stored without play without rattling.

Um die Höheneinstellung fixieren zu können, sind Rastmittel vorgesehen, die zum Bewegen ausgelöst werden können. Diese bestehen aus einem in einen korrespondierenden Schlitz in dem Armstützenhalter 15 eingesetzten Rasteinschub 17. Dieser ist etwa in Form eines rechtwinkligen Dreiecks ausgebildet, wobei an der dem rechten Winkel entsprechenden Ecke Achsstummel 17.2 vorgesehen sind Diese Achsstummel 17.2 werden in Achsstummelaufnahmen im Armstützenträgerkopf 10.1 eingesetzt, so dass der Rasteinschub 17 schwenkbar gehalten ist. Das Dreieck des Rasteinschubs 17 ist als spitzwinkliges Dreieck ausgebildet, an dessen Ecke mit dem stumpferen Winkel eine Auslösetaste 17.2 angesetzt ist. Diese Auslösetaste 17.2 ist aus dem Armstützenträgerkopf 10.1 so herausgeführt, dass der im Stuhl Sitzende diese Auslösetaste 17.2 ohne weiteres greifen und betätigen kann. Nahe der anderen, dem spitzen Winkel zugeordneten Ecke des dreieckigen Rasteinschubs 17 ist eine Rastnase 18 vorgesehen. Diese Rastnase greift in zwischen Stegen gebildeten Rastausnehmungen 16 ein und sperrt so eine Bewegbarkeit, auch wenn eine Kraft auf die Armauflage 20 ausgeübt wird. Schließlich ist an der diesem spitzen Winkel zugeordneten Ecke eine etwa U- oder V-förmige Rückstellfeder 19 angeformt, deren freies Ende gegen die geschlossene Rückseite der den Rasteinschub 17 aufnehmenden Schlitz des Armstützenhalters abgestützt ist.In order to be able to fix the height adjustment, locking means are provided, that can be triggered to move. These consist of one into a corresponding slot in the armrest holder 15 inserted slot 17. This is approximately in the form of a right-angled Triangular, with the corresponding to the right angle Corner stub 17.2 are provided These stub axles 17.2 are used in stub axle mounts in armrest support head 10.1, so that the latch insert 17 is pivotally held. The triangle the latching insert 17 is formed as an acute-angled triangle, a trigger button 17.2 is attached to its corner with the obtuse angle is. This release button 17.2 is from the arm support head 10.1 led out so that the person sitting in the chair this release button 17.2 can easily grip and operate. Near the other one acute angle associated corner of the triangular snap-in module 17 a locking lug 18 is provided. This latch engages in between webs formed recesses 16 and thus blocks mobility, even if a force is exerted on the armrest 20. Finally is at the corner associated with this acute angle an approximately U or V-shaped return spring 19 formed, the free end against the closed back of the slot 17 receiving the slot the armrest holder is supported.

Zum Bewegen wird die Auslösetaste 17.2 durchgedrückt. Dabei verlagert sich der Rasteinschub 17 in seine ausgelöste Position 17' - wie in der Figur 1 durch die Überlagerung angedeutet. Bei dieser Bewegung wird die Rastnase 18 in die ausgelöste Position 18' bewegt, und sperrt dabei nicht mehr die Bewegbarkeit der Führungshülse 11 auf dem Armstützenhalter 15. Bei diesem Durchdrücken der Auslösetaste 17.2 wird mit der Bewegung des Rasteinschubs 17 die Rückstellfeder 19 in die ausgelöste Position 19' überführt und dabei gespannt. Diese so gespannte Rückstellfeder 19 sorgt dann beim Erreichen einer neuen Höhenposition, dass die Rastnase 18 wieder in eine der Rastausnehmungen 16 einfällt und so die gewünschte Höhen-Einstellung fixiert. Um eine Abziehen des Armstützenträgers 10 mit der Armauflage 20 zu verhindern, ist im Kopfbereich des Armstützenhalter 15 ein Sperrstift 13 angeordnet. Damit wird - wie in Figur 3 dargestellt - die Bewegbarkeit von Armstützenträgers 10 mit Armauflage 20 begrenzt.To move the trigger button 17.2 is pressed. In doing so relocated the latch insert 17 in its triggered position 17 '- as in of the figure 1 indicated by the overlay. With this movement the locking lug 18 is moved into the triggered position 18 ', and no longer blocks the mobility of the guide sleeve 11 on the Armrest holder 15. Pressing the release button 17.2 the return spring 19 in with the movement of the snap-in module 17 the triggered position 19 'transferred and tensioned. This way tensioned return spring 19 then ensures when a new height position is reached, that the locking lug 18 again in one of the locking recesses 16 occurs and fixes the desired height setting. To one To prevent pulling off the armrest support 10 with the armrest 20, is a locking pin 13 in the head region of the armrest holder 15 arranged. This - as shown in Figure 3 - the mobility limited by arm support bracket 10 with armrest 20.

Claims (8)

Armstütze mit einem an einem Untergestell eines Stuhles, Sessels o.dgl. befestigten Armstützenträger, dessen rohrförmig ausgebildeter und mit voneinander beabstandeten Rastöffnungen versehener Armstützenhalter von einer mit der Armauflage fest verbundenen Führungshülse im Wesentlichen formschlüssig übergriffen ist, wobei die Führungshülse mit Armauflage gegenüber dem Armstützenhalter in Schritten verschiebbar ist, und wobei die Rastmechanik als in der Führungshülse einführbares Rastmittel ausgebildet ist, dadurch gekennzeichnet, dass als Rastmittel ein Rasteinschub (17) vorgesehen ist, der in den mit einem im Wesentlichen rechtwinkligen Schlitz versehenen Armstützenhalter (15) eingesetzt ist, wobei eine Schmalseitenwand Armstützenhalter (15) mit Durchbrüchen als Rastausnehmung (16) versehen ist, in die eine an dem Rasteinschub (17) im Abstand von seinem oberen Ende vorgesehene Rastnase (18) den Rasteinsatz (127) sperrend eintaucht und wobei Rückstellmittel vorgesehen sind, die beim Ausheben der Rastnase (18) aus der zugeordneten der Rastausnehmungen (16) gespannt werden und für ein Eintauchen der Rastnase (18) in eine der Rastausnehmungen (16) Sorge trägt.Armrest with one on a base of a chair, armchair or the like. fixed armrest support, the tubular armrest holder with spaced-apart latching openings is substantially positively overlapped by a guide sleeve firmly connected to the armrest, the guide sleeve with armrest being displaceable in steps relative to the armrest holder, and wherein the latching mechanism can be inserted as a latching means in the guide sleeve is formed, characterized in that a latching insert (17) is provided as the latching means, which is inserted into the armrest holder (15) provided with a substantially rectangular slot, a narrow side wall of the armrest holder (15) being provided with openings as a latching recess (16) , into which a latching lug (18) provided on the latching insert (17) at a distance from its upper end immerses the latching insert (127) and restoring means are provided which, when the latching lug (18) is lifted out of the associated one of the ras recesses (16) are tensioned and ensures that the latching nose (18) is immersed in one of the latching recesses (16). Armstütze nach Anspruch 1, dadurch gekennzeichnet, dass die Ecke, die dem im Wesentlichen rechten Winkel zugeordnet ist, mit vorzugsweise beidseits abstehenden Achsstummeln (17.1), die in eine Achstummelaufnahme (10.2) auf der Oberseite des Armstützenträgerkopfes (10.1) eingesetzt die Schwenkachse des Rasteinschubs (17) bilden.Armrest according to claim 1, characterized in that the corner, which is assigned to the substantially right angle, preferably with stub axles (17.1) projecting on both sides, which are inserted into an axle stub receptacle (10.2) on the top of the armrest support head (10.1), the pivot axis of the latch insert (17) form. Armstütze nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Rasteinschub (17) mit einer Riegelplatte (12) festgelegt ist.Armrest according to claim 1 or 2, characterized in that the latch insert (17) is fixed with a locking plate (12). Armstütze nach Anspruch 1. 2 oder 3, dadurch gekennzeichnet, dass der Rasteinschub (17) eine im Wesentlichen rechtwinklig-spitzwinklige Dreiecks-Ausformung aufweist, wobei die Rastnase (18) nahe der dem spitzeren der beiden restlichen Winkel zugeordneten Ecke angeordnet ist.Armrest according to claim 1, 2 or 3, characterized in that the latch insert (17) has a substantially rectangular-acute triangular shape, the latch (18) being arranged near the corner associated with the more acute of the two remaining angles. Armstütze nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass als Rückstellmittel an die dem spitzeren der beiden restlichen Winkel zugeordneten Ecke des dreieckigen Rasteinschubs (17) eine Rückstellfeder (19), vorzugsweise einstückig angeformt, so vorgesehen ist, dass ihr freies Ende an der auf der mit den Durchbrüchen als Rastausnehmung (16) versehenen Schmalseitenwand gegenüberliegenden Wand des den Rasteinsatz (17) aufnehmenden Schlitzes im Armstützenhalter (15) abgestützt ist.Armrest according to one of claims 1 to 4, characterized in that a return spring (19), preferably molded in one piece, is provided as a return means on the corner of the triangular latching insert (17) associated with the more acute of the two remaining angles, so that its free end is provided that is supported on the wall of the slot in the armrest holder (15), which is opposite the openings of the latch insert (17) and is provided with the openings as the latching recess (16). Armstütze nach Anspruch 5, dadurch gekennzeichnet, dass das freie Ende der Rückstellfeder (16) etwa kreisbogenförmig so ausgeformt ist, dass dieser Bogen beim Spannen oder Entspannen der Rückstellfeder (16) auf der die Rückstellfeder (16) abstützenden Wand abrollen kann.Armrest according to claim 5, characterized in that the free end of the return spring (16) is approximately circular-arc shaped so that this arc can roll on the wall supporting the return spring (16) when the return spring (16) is tensioned or relaxed. Armstütze nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an die dem stumpferen der beiden restlichen Winkel des dreieckigen Rasteinschubs (17) zugeordneten Ecke ein Auslösehebel, vorzugsweise einstückig angeformt, vorgesehen ist.Armrest according to one of claims 1 to 6, characterized in that a release lever, preferably molded in one piece, is provided on the corner associated with the obtuse of the two remaining angles of the triangular latching insert (17). Armstütze nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Rasteinschub (17) als Kunststoff-Spritzgussteil ausgebildet ist, vorzugsweise mit einem thermoplastischen Polykondensat oder ein Polymerisat als Kunststoff.Armrest according to one of claims 1 to 7, characterized in that the latching insert (17) is designed as a plastic injection-molded part, preferably with a thermoplastic polycondensate or a polymer as plastic.
EP03027061A 2002-11-27 2003-11-25 Height-adjustable armrest Expired - Lifetime EP1424030B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20218437U 2002-11-27
DE20218437U DE20218437U1 (en) 2002-11-27 2002-11-27 Height adjustable armrest

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EP1424030A1 true EP1424030A1 (en) 2004-06-02
EP1424030B1 EP1424030B1 (en) 2006-01-18

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EP03027061A Expired - Lifetime EP1424030B1 (en) 2002-11-27 2003-11-25 Height-adjustable armrest

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EP (1) EP1424030B1 (en)
AT (1) ATE315900T1 (en)
DE (2) DE20218437U1 (en)
ES (1) ES2256649T3 (en)

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US7708251B2 (en) * 2006-03-17 2010-05-04 Nautilus, Inc. Mechanism and method for adjusting seat height for exercise equipment
FR2902627A1 (en) * 2006-06-23 2007-12-28 Quinette Gallay Sa Arm-rest for theatre and conference room, has thermoplastic body, whose recess encloses elastomer lining that projects with respect to edge of recess to constitute part of contact surface between arm-rest and forearm of user of arm-chair
DE102006051731A1 (en) * 2006-10-30 2008-05-08 Bock 1 Gmbh & Co. Kg Height-adjustable armrest, especially for an office chair
DE102007060328A1 (en) 2007-12-12 2009-06-18 Sedus Stoll Ag Height-adjustable armrest
TWM419484U (en) * 2011-03-21 2012-01-01 Isotech Products Inc Multi-functional chair armrest adjustment device

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NL8304383A (en) * 1983-12-21 1985-07-16 Ahrend Group Bv Chair with height adjustable arm rests - has vertical columns with slides controlled by lever mounted on hinge
US5265938A (en) * 1991-12-05 1993-11-30 Westinghouse Electric Corp. Adjustable arm for a chair
DE4317610A1 (en) * 1993-05-27 1994-12-01 Trendoffice Bueromoebel Height-adjustable arm for a chair
US5439267A (en) * 1993-05-28 1995-08-08 Steelcase Inc. Chair with adjustable arm assemblies
JP2000262350A (en) * 1999-03-12 2000-09-26 Uchida Yoko Co Ltd Device for adjusting height of armrest of chair
EP1258209A2 (en) 2001-05-16 2002-11-20 Froli Kunststoffwerk Heinrich Fromme OHG Adjustment mechanism for an arm-rest of a chair

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NL8304383A (en) * 1983-12-21 1985-07-16 Ahrend Group Bv Chair with height adjustable arm rests - has vertical columns with slides controlled by lever mounted on hinge
US5265938A (en) * 1991-12-05 1993-11-30 Westinghouse Electric Corp. Adjustable arm for a chair
DE4317610A1 (en) * 1993-05-27 1994-12-01 Trendoffice Bueromoebel Height-adjustable arm for a chair
US5439267A (en) * 1993-05-28 1995-08-08 Steelcase Inc. Chair with adjustable arm assemblies
JP2000262350A (en) * 1999-03-12 2000-09-26 Uchida Yoko Co Ltd Device for adjusting height of armrest of chair
EP1258209A2 (en) 2001-05-16 2002-11-20 Froli Kunststoffwerk Heinrich Fromme OHG Adjustment mechanism for an arm-rest of a chair

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PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *

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EP1424030B1 (en) 2006-01-18
DE20218437U1 (en) 2004-01-15
ATE315900T1 (en) 2006-02-15
ES2256649T3 (en) 2006-07-16
DE50302227D1 (en) 2006-04-06

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