EP1106110B1 - Höhenverstellbare Armlehne für Stühle, insbesondere für Bürostühle - Google Patents
Höhenverstellbare Armlehne für Stühle, insbesondere für Bürostühle Download PDFInfo
- Publication number
- EP1106110B1 EP1106110B1 EP00126064A EP00126064A EP1106110B1 EP 1106110 B1 EP1106110 B1 EP 1106110B1 EP 00126064 A EP00126064 A EP 00126064A EP 00126064 A EP00126064 A EP 00126064A EP 1106110 B1 EP1106110 B1 EP 1106110B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- latching
- holder
- base carrier
- arm rest
- recesses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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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
Definitions
- the invention relates to a height-adjustable armrest for chairs, in particular for office chairs, with the specified in the preamble of claim 1 Features.
- Such an armrest is known from DE 197 17 077 A1.
- This Armrest has a vertical armrest base bracket that can be attached to the chair on, which is designed columnar.
- On this base support is a telescopic armrest holder, the one at its upper end is essentially horizontal Armrest holds.
- the locking device has on the one hand a row of arranged in the vertical direction on the base support Notches and on the other hand except by means of a release button Engagement with the locking recesses bringable locking element.
- This known armrest is due to the construction of the locking devices the holder can be moved vertically, but not rotatable relative to the base support. So there is no degree of freedom for one if desired, the armrests can be rotated vertically Given axis.
- DE 197 17 077 A1 proposes that the Armrest bearing armrest articulated at the upper end of the holder to store on the holder. This requires an additional constructive Effort that is exacerbated by the fact that the Armrest additional precautions in certain rotational positions meet as they are in the form of corrugated leaf springs in the backrest head the armrest according to DE 197 17 077 A1 are provided.
- the object of the invention based on creating a height-adjustable armrest, in which one Positioning of the armrest in different, lockable rotary positions is made possible with simple constructive means.
- This Task is by the specified in the characterizing part of claim 1 Features solved.
- the present Invention In contrast to the prior art, where the rotatability of the holder was not given even when the locking device was released, the present Invention a rotation of the holder with the locking device unlocked authorized.
- the armrest bracket does not require any additional ones Measures to create the desired degree of freedom for the Positioning of the armrest in different rotational positions.
- a double function is, however, parallel to the first Row of recesses running second row of recesses Possibility created not only in the holder and thus the armrest certain height positions, but also in at least two different ones To lock the rotary positions. Both for changing the heights as well as the rotational position only one and the same release button for the Locking device can be operated, which in this respect is simple and user-friendly is.
- the locking device 5 itself has on the one hand as essential components Release button 8 with a locking element 9 and the other one in the vertical direction V arranged on the inside of the cheek 7 on the base support 1 Row of notches 10 on.
- the release button 8 with locking element 9 is accommodated in a pre-assembly housing, designated as a whole by 11, designed like a magazine and can be inserted into the holder 2 from above is.
- a pre-assembly housing 11 is composed of two half-shells 12, 13, on the one hand a main body approximately pear-shaped in horizontal section 14 and a laterally protruding at its upper end Form stop plate 15.
- the trigger button 8 itself is an elongated, extending in the vertical direction V. and slider 16 which is displaceable in the pre-assembly housing 11, an actuating handle protruding at a right angle from its upper end 17 is formed, the opening 18 between the two half-shells 12, 13 stands outwards.
- the release button 8 two fork ends 19, 20 (Fig. 9) between them the locking element 9 of the locking device, which is designed as a so-called locking wedge 5 slidably in and against the locking engagement direction R (Fig. 2).
- the fork ends 19, 20 are on the opposite side of the locking engagement direction R. the fork ends 19, 20 each with inclined to the vertical direction V.
- Wedge surfaces 21 provided with lateral, pin-like projections 22 cooperate on the locking wedge 9 in a manner to be described in more detail and form a so-called wedge thrust transmission K.
- the locking wedge 9 itself has a substantially cuboid guide body 23 which the sliding bearing of the locking wedge 9 in a guide 24 in the pre-assembly housing 11 in the locking engagement direction R takes over.
- On the in the direction of locking engagement R facing side of the guide body 23 are finally in Vertical direction V two locking bolts 25 formed integrally one above the other, their contour and spacing of the shape and pitch of the recesses 10 is adjusted.
- the locking wedge 9 is in the locking engagement direction R.
- a helical compression spring 26 which between the inside of the pre-assembly housing 11 and the locking bolt 25 facing back of the locking wedge 9 is used.
- the release button 8 is also opposed to the vertical direction V by another helical compression spring 27 under load, which between an abutment 28 in Pre-assembly housing 11 and the upper end of the slider 16 clamped is.
- the armrest 4 If the armrest 4 is to be adjusted in height, it is on the operating handle 17 to pull the release button 8, whereby the wedge surfaces 21 the Locking wedge 9 over the projections 22 against the locking engagement direction R. move. As a result, the locking bolts 25 emerge from the corresponding Locking recesses 10 out and the holder 2 can in the vertical direction V pulled up and locked in the appropriate position.
- the release button is in a defined relative position is released from holder 2 and base support 1 to each other. is no overlap position between locking pin 25 and the like Reached pair of recesses 10, the release button 8 is indeed pushed down by the helical compression spring 27, but the Locking wedge 9 can not yet be moved in the locking engagement direction R.
- the limitation of the angle of rotation W is due to the guaranteed pear-shaped shape of the pre-assembly housing 11 in cross section, whose tapered housing part in the side opening the recess 6 moves.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Seats For Vehicles (AREA)
Description
- Fig. 1
- einen Vertikalschnitt einer Armlehne in maximal abgesenkter, verriegelter Position,
- Fig. 2
- einen vergrößerten Detailschnitt der Einzelheit II gemäß Fig. 1 bei entarretierter Rasteinrichtung,
- Fig. 3
- einen Vertikalschnitt der Armlehne in maximal angehobener, verriegelter Position,
- Fig. 4 - 6
- Horizontalschnitte durch die Armlehnen entlang der Schnittlinie IV-IV nach Fig. 1 in der Neutralstellung und zwei unterschiedlichen Drehstellungen der Armlehne,
- Fig. 7
- eine Seitenansicht einer Halbschale eines Vormontage-Gehäuses für die Rasteinrichtung der Armlehne gemäß Fig. 1 - 6,
- Fig. 8
- eine schematische Draufsicht auf zwei das Vormontage-Gehäuse bildende Halbschalen in geöffneter Stellung und
- Fig. 9
- eine Seitenansicht der in dem Vormontage-Gehäuse zu montierenden Auslösetaste und Rastelement der Rasteinrichtung.
Claims (8)
- Höhenverstellbare Armlehne für Stühle, insbesondere für Bürostühle, miteinem am Stuhl befestigbaren, vertikal verlaufenden Armlehnen-Basisträger (1)einem teleskopartig auf dem Basisträger (1) geführten, höhenverstellbaren Armlehnen-Halter (2), der an seinem oberen Ende eine im wesentlichen horizontal verlaufende Armauflage (4) hält, undeiner zwischen Basisträger (1) und Halter (2) angeordneten Rasteinrichtung (5) zur Festlegung des Halters (2) relativ zum Basisträger (1) in jeweils einer von mehreren Höhenstellungen, wobei die Rasteinrichtung (5) einerseits mindestens eine in Vertikalrichtung (V) am Basisträger (1) angeordnete Reihe von Rastausnehmungen (10) und andrerseits ein mittels einer Auslösetaste (8) zur Höhenwerstellung außer Eingriff mit den Rastausnehmungen (10) bringbares Rastelement (9) aufweist, dadurch gekennzeichnet, daß die Rasteinrichtung (5) ferner versehen ist mitmindestens einer parallel zur angegebenen Reihe von Rastausnehmungen (10) um einen Drehwinkelbetrag (10) versetzt verlaufenden weiteren Reihe von Rastausnehmungen (32) am Basisträger (1), wobei der Halter (2) um eine Vertikalachse (40) drehbar am Basisträger (1) gelagert, bei mittels des Auslösetaste (8) entarretierter Rasteinrichtung (5) zwischen mindestens zwei verschiedenen Drehstellungen relativ zum Basisträger (1) verschiebbar und bei in einer der Rastausnehmungen der Reihen von Rastausnehmungen (10, 32) arretierter Rast-einrichtung (5) in einer der Drehstellungen festgelegt ist.
- Armlehne nach Anspruch 1, dadurch gekennzeichnet, daß eine weitere Reihe von Rastausnehmungen (33) parallel zu den beiden genannten Reihen von Rastausnehmungen (10, 32) am Basisträger (1) zur Realisierung einer weiteren arretierbaren Drehstellung des Halters (2) vorgesehen ist.
- Armlehne nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Drehbewegung des Halters (2) durch Anschlagelemente (34, 37) begrenzt ist.
- Armlehne nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß als Rastelemente (9) mindestens ein Paar von Rastbolzen (25) vorgesehen ist, die paarig in entsprechende Rastausnehmungen (10, 32, 33) am Basisträger (1) eingreifen.
- Armlehne nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Rastelemente (9) über ein Keilschubgetriebe (K) mit der Auslösetaste (8) gekoppelt sind.
- Armlehne nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Auslösetaste (8) und das mindestens eine Rastelement (9) in einem magazinartigen, in den Halter (2) einschiebbaren Vormontage-Gehäuse (11) angeordnet sind.
- Armlehne nach Anspruch 6, dadurch gekennzeichnet, daß der Basisträger (1) im Bereich der Rastausnehmungen (10, 32, 33) einen teilrunden, seitlich offenen Querschnitt aufweist, dessen Innenkontur an die Außenkontur des darin begrenzt drehbar sitzenden Vormontage-Gehäuses (11) angepaßt ist.
- Armlehne nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß zwei übereinanderliegende Rastbolzen (25) der Rasteinrichtung (5) an einen gemeinsamen, quer im Vormontage-Gehäuse verschiebbaren Rastkeil (9) angeformt sind, der zwischen Gabelenden (19, 20) der schieberartigen Auslösetaste (8) angeordnet und über seitliche Vorsprünge (22) mit Keilflächen (21) an den Gabelenden (19, 20) antriebsmäßig gekoppelt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19959104A DE19959104A1 (de) | 1999-12-08 | 1999-12-08 | Höhenverstellbare Armlehne für Stühle, insbesondere für Bürostühle |
DE19959104 | 1999-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1106110A1 EP1106110A1 (de) | 2001-06-13 |
EP1106110B1 true EP1106110B1 (de) | 2004-08-11 |
Family
ID=7931818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00126064A Expired - Lifetime EP1106110B1 (de) | 1999-12-08 | 2000-11-29 | Höhenverstellbare Armlehne für Stühle, insbesondere für Bürostühle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1106110B1 (de) |
DE (2) | DE19959104A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU783829B2 (en) | 2000-09-28 | 2005-12-08 | Formway Furniture Limited | A reclinable chair |
AUPR054400A0 (en) | 2000-09-29 | 2000-10-26 | Formway Furniture Limited | A castor |
DE10125996A1 (de) * | 2001-05-18 | 2002-11-21 | Bock 1 Gmbh & Co | Armlehne, insbesondere für einen Bürostuhl |
US7234779B2 (en) | 2005-04-08 | 2007-06-26 | Steelcase Development Corporation | Armrest with height adjustment mechanism |
DE102017110492A1 (de) | 2017-05-15 | 2018-11-15 | Bock 1 Gmbh & Co. Kg | Armlehne, insbesondere für einen Bürostuhl |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989004623A1 (en) * | 1987-11-23 | 1989-06-01 | Grahl Industries, Inc. | Chair with specially shaped elbow support |
DE4022840C1 (en) * | 1990-07-18 | 1992-01-09 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Car seat arm rest - has latching lever pivoted under spring-load with teeth on latching plate and can operate lever |
US5407249A (en) * | 1990-10-15 | 1995-04-18 | Bonutti; Peter M. | Armrest assembly |
CA2084794A1 (en) * | 1992-12-08 | 1994-06-09 | Gary King Neil | Armrest assembly |
DE19717077B4 (de) * | 1997-04-23 | 2004-11-18 | Bock-1 Gmbh & Co. | Höhenverstellbare Armlehne, insbesondere für einen Bürostuhl |
US5848823A (en) * | 1998-02-26 | 1998-12-15 | Su; Wen-Fa | Chair armrest adjuster |
-
1999
- 1999-12-08 DE DE19959104A patent/DE19959104A1/de not_active Withdrawn
-
2000
- 2000-11-29 DE DE50007367T patent/DE50007367D1/de not_active Expired - Lifetime
- 2000-11-29 EP EP00126064A patent/EP1106110B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19959104A1 (de) | 2001-06-13 |
DE50007367D1 (de) | 2004-09-16 |
EP1106110A1 (de) | 2001-06-13 |
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