EP0813378B1 - Höhenverstellung für rückenlehnen - Google Patents
Höhenverstellung für rückenlehnen Download PDFInfo
- Publication number
- EP0813378B1 EP0813378B1 EP96946053A EP96946053A EP0813378B1 EP 0813378 B1 EP0813378 B1 EP 0813378B1 EP 96946053 A EP96946053 A EP 96946053A EP 96946053 A EP96946053 A EP 96946053A EP 0813378 B1 EP0813378 B1 EP 0813378B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest support
- spring
- housing
- height adjuster
- detent
- 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
Images
Classifications
-
- 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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/402—Support for the head or the back for the back adjustable in height
Definitions
- the invention relates to a height adjustment for Backrests with the characteristics of the generic term of Claim 1.
- the object of the present invention is a Height adjustment of the type mentioned at the beginning create a high ease of use, as well as a has a safe function.
- the Means for preventing lateral play of the Two backrest bearer with their bevels adjacent wedges, their parallel outer sides on the housing wall on the one hand and on one side of the Backrest bear on the other hand and the the wedge on the housing wall on its wider End is loaded by a spring.
- the loaded wedge presses with its slant on the Bevel of the wedge resting on the backrest support, see above that a force acts laterally on the backrest support and this to be in contact with the housing or with it connected part brings.
- the backrest holder can do this slide without play.
- a base plate is attached in the housing, in which the other side of the backrest support and the Spring for the wedge against the housing wall supports.
- the base plate has guide means such as Example grooves, for guide parts, for example pins, of the wedge resting on the backrest support.
- Latching means a locking arm, which when the backrest support is pulled clicks upwards, but when inserted releases again.
- This locking arm can, for example be pivotally mounted in the base plate.
- FIGS. 1 to 6c The height adjustment shown in FIGS. 1 to 6c from a flat housing 1 with essentially rectangular cross-section in which a flat Backrest support 2 is slidably guided and clampable.
- the case can be extended and with a bottom Be connected to the seat support.
- Others can Have dimensions as shown and curved be executed.
- the backrest support 2 points along its central axis a series of holes 3 on the respective Define insertion depth.
- a locking ball 4 which is from a clamping slope 5 ' a boat 5 is pressed into the bore.
- the Pressing pressure results from a spring 6, which is in a base plate 7 which is supported in the housing 1, for example by screws 17 or locking lugs, is attached.
- the base plate 7 also has a groove 16 on, in which the boat 5 can slide and on the the spring 6 opposite side a stop finds.
- Push button 8 with which it acts against the force of the spring 6 can be pushed back, whereupon the clamping slope 5 ' the ball 4 releases and the backrest are moved can until the desired insertion depth is reached and button 8 is released again.
- the button 8 has a flat recess 8 'into which a small Spring 9 engages during assembly so that the button 8 can no longer be pulled out. This measure prevents the buttons 8 and offers the opportunity in the same Height adjustment easily designed differently To be able to use buttons. Since the base plate 7 is preferably made of plastic is in the Area in which the ball 4 against the bevel 5 ' presses a metal disc 21 embedded to one to ensure permanent function.
- the base plate 7 extends from the side of the Button 8 from over the large part of the base of Housing 1 and has a tread and Stop edge for the backrest support 2.
- the backrest support 2 lies on a step 11 'of the straight side of a wedge 11 with its Slope 11 '' on the slope 10 '' of a second wedge 10 is applied, which in turn with its straight side on the The inner wall of the housing is in contact.
- the second wedge 10 is on its broad end by a compression spring 12 acts in a projection 13 of the Base plate supported.
- the spring 12 presses the wedge 10 1 upwards, which means about the slopes 10 '' and 11 '' exert a lateral force on the Backrest support 2 is guided, which is performed without play is.
- the base plate 7 has grooves 15 which for first wedge 11 are open and guide pin 14 record sliding (Fig. 4c and 4e). So this is Wedge 11 out and can not avoid.
- the height adjustment is with a pull-out protection provided, shown offset in Figs. 1 and 3 is.
- This pull-out protection has a bore 22, which is actually next to the last hole 3 for the Locking ball, or in Fig. 1 should still be below.
- This bore 22 is in a recess 18
- Base plate 7 a pivotable locking arm 19 is arranged, of a spring supported in the base plate 7 20 is so acted that its latch 19 '- as in 3, is pressed into the bore 22, as soon as the backrest is pulled out far enough. The backrest is then blocked.
- the insertion is from the locking arm 19 is not hindered, since it in this Direction has a slope.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
- Toilet Supplies (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Description
Claims (7)
- Höhenverstellung für Rückenlehnen von Stühlen, insbesondere von Bürostühlen, bestehend aus einem Gehäuse (1), in dem ein flacher Lehnenträger (2) von einer Kugelrastklemmung (3,4) gehalten ist, wobei der Lehnenträger (2) mit in axialer Richtung hintereinander angeordneten Vertiefungen oder Durchbrüchen (3) für Rastkugeln (4) versehen ist, die mittels einer federbeaufschlagten Klemmschräge (5') in den Vertiefungen oder Durchbrüchen (3) gehalten werden, und wobei die Klemmschräge (5') von einem seitlich aus dem Gehäuse (1) geführten Taster (8) gegen die Federkraft außer Eingriff bringbar ist,
dadurch gekennzeichnet,
daß in dem Gehäuse (1) federnd gelagerte Mittel (10, 11) zur Verhinderung eines seitlichen Spiels des Lehnenträgers (2) angeordnet sind. - Höhenverstellung für Rückenlehnen nach Anspruch 1,
dadurch gekennzeichnet,
daß die Mittel zur Verhinderung eines seitlichen Spiels des Lehnenträgers (2) zwei mit ihren Schrägen aneinanderliegende Keile (10, 11) sind, deren parallele Außenseiten an der Gehäusewand einerseits und an einer Seite des Lehnenträgers andererseits anliegen, und wobei der an der Gehäusewand anliegende Keil (10) an seinem breiteren Ende von einer Feder (12) beaufschlagt ist. - Höhenverstellung für Rückenlehnen nach Anspruch 2,
dadurch gekennzeichnet,
daß in dem Gehäuse (1) eine Grundplatte (7) befestigt ist, in der die andere Seite des Lehnenträgers (2) geführt ist und die die Feder (12) für den an der Gehäusewand anliegenden Keil (10) abstützt. - Höhenverstellung für Rückenlehnen nach Anspruch 3,
dadurch gekennzeichnet,
daß die Grundplatte (7) Führungsmittel (15) für Führungsteile (14) des an dem Lehnenträger (2) anliegenden Keils (11) aufweist. - Höhenverstellung für Rückenlehnen nach Anspruch 1,
dadurch gekennzeichnet,
daß neben der Reihe von Vertiefungen oder Durchbrüchen (3) an deren unterem Ende seitlich eine weitere Vertiefung oder ein Durchbruch (22) angeordnet ist, und daß über dieser Vertiefung oder diesem Durchbruch ein federnd beaufschlagtes Rastmittel (19) für das Einrasten in die weitere Vertiefung oder den weiteren Durchbruch angeordnet ist. - Höhenverstellung für Rückenlehnen nach Anspruch 5,
dadurch gekennzeichnet,
daß das Rastmittel ein Rastarm (19) ist, der bei Zug des Lehnenträgers (2) nach oben einrastet, bei Einschieben diesen jedoch wieder freigibt. - Höhenverstellung für Rückenlehnen nach Anspruch 3 und 6,
dadurch gekennzeichnet,
daß der Rastarm (19) schwenkbar in der Grundplatte (7) gelagert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29600332U DE29600332U1 (de) | 1996-01-10 | 1996-01-10 | Höhenverstellung für Rückenlehnen |
DE29600332U | 1996-01-10 | ||
PCT/DE1996/002350 WO1997024958A1 (de) | 1996-01-10 | 1996-12-07 | Höhenverstellung für rückenlehnen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0813378A1 EP0813378A1 (de) | 1997-12-29 |
EP0813378B1 true EP0813378B1 (de) | 2001-04-18 |
Family
ID=8017850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96946053A Expired - Lifetime EP0813378B1 (de) | 1996-01-10 | 1996-12-07 | Höhenverstellung für rückenlehnen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5882077A (de) |
EP (1) | EP0813378B1 (de) |
DE (2) | DE29600332U1 (de) |
NO (1) | NO974049D0 (de) |
WO (1) | WO1997024958A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU715954B2 (en) * | 1996-10-15 | 2000-02-10 | Workspace Commercial Furniture Pty Ltd | Latch mechanism to control height adjustment of various seat components |
US6209963B1 (en) * | 1999-05-06 | 2001-04-03 | Miotto International, Inc. | Variable configuration mounting arrangement for a chair back support member |
US6609686B2 (en) * | 2002-01-18 | 2003-08-26 | Tam Srl | Adjustable support apparatus |
CN2736477Y (zh) * | 2004-09-30 | 2005-10-26 | 马准安 | 一种篷结构 |
US7264312B1 (en) * | 2006-05-17 | 2007-09-04 | Chih Chiang Wang | Backrest adjusting mechanism |
US8251078B2 (en) * | 2009-04-28 | 2012-08-28 | Oliver Joen-An Ma | Umbrella handle |
EP2759230B1 (de) * | 2013-01-23 | 2015-09-30 | L & P Property Management Company | Mechanismus zum Einstellen einer Stuhllehne und Stuhl |
US9770111B2 (en) | 2015-03-05 | 2017-09-26 | A-Dec, Inc. | Height adjusting mechanism and stool for dental practitioner |
CN207666140U (zh) | 2016-10-25 | 2018-07-31 | 宁波万汇休闲用品有限公司 | 伞形结构组件装配装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1075323A (en) * | 1912-05-24 | 1913-10-14 | Israel Benjamins | Adjustable stand. |
US1101552A (en) * | 1913-07-03 | 1914-06-30 | Walter E Hume | Support for dress-forms and the like. |
DE1753671B1 (de) * | 1965-11-12 | 1971-08-26 | Boehler Nachf Wilhelm Boehler | Sessel mit verstellbarer sitzflaeche und oder rueckenlehne |
DE3527783A1 (de) * | 1985-08-02 | 1987-02-12 | Froescher August Gmbh Co Kg | Verstelleinrichtung fuer die stufenweise arretierbare hoehenverstellung von rueckenlehnen an arbeitsstuehlen |
DE8627648U1 (de) * | 1986-10-16 | 1988-09-01 | Dauphin F W Buerositzmoebel | Stuhl, insbesondere Bürostuhl, mit höhenverstellbarer Rückenlehne |
DE9310220U1 (de) * | 1993-07-09 | 1994-08-04 | Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock | Schiebeführung |
-
1996
- 1996-01-10 DE DE29600332U patent/DE29600332U1/de not_active Expired - Lifetime
- 1996-12-07 US US08/913,114 patent/US5882077A/en not_active Expired - Fee Related
- 1996-12-07 DE DE59606803T patent/DE59606803D1/de not_active Expired - Fee Related
- 1996-12-07 EP EP96946053A patent/EP0813378B1/de not_active Expired - Lifetime
- 1996-12-07 WO PCT/DE1996/002350 patent/WO1997024958A1/de active IP Right Grant
-
1997
- 1997-09-03 NO NO974049A patent/NO974049D0/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE29600332U1 (de) | 1996-03-07 |
EP0813378A1 (de) | 1997-12-29 |
US5882077A (en) | 1999-03-16 |
NO974049L (no) | 1997-09-03 |
DE59606803D1 (de) | 2001-05-23 |
NO974049D0 (no) | 1997-09-03 |
WO1997024958A1 (de) | 1997-07-17 |
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