EP0815779B1 - Bewegliche Rückenlehne - Google Patents
Bewegliche Rückenlehne Download PDFInfo
- Publication number
- EP0815779B1 EP0815779B1 EP97108086A EP97108086A EP0815779B1 EP 0815779 B1 EP0815779 B1 EP 0815779B1 EP 97108086 A EP97108086 A EP 97108086A EP 97108086 A EP97108086 A EP 97108086A EP 0815779 B1 EP0815779 B1 EP 0815779B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- bearing
- bar
- parts
- hand
- 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
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks
Definitions
- the invention relates to a movable on a backrest bar suspended backrest, the backrest shield made of horizontal Sections exists.
- Such backrests which are used particularly in chairs for office and commercial area are used, have the purpose optimally adapting to the changing posture of the user.
- the backrest is a further development according to EP-B 107627 which is divided into movable horizontal sections is.
- EP-B 308538 there the backrest is suspended so that it versus longitudinal (sagittal), turning (torsion) and transverse (transversal) posture changes supporting the body gives way.
- DE 3025916 A1 shows a movable on a backrest bar suspended backrest, which consists of two horizontal Sections exist, the top section being the shape a "T”, and the bottom section has the shape of a "U”, and the "U” with its two legs the vertical part of the "T”.
- the two sections are against each other pivoted on two sides of the backrest bar Bearings attached.
- a spring band causes the two Sections are resiliently pivotable.
- This known backrest only adjusts to sagittal movements of the User, and the assembly is relatively expensive.
- the essence of the invention is that the storage of the both parts of the backrest shield is designed such that by simply exchanging a simple element, namely the bearing role, either just a sagittal, or but also additionally a tordale and transversal The backrest moves.
- Fig. 1 shows the shield of a backrest, which consists of a upper part 1 and a lower part 2.
- the parts 1,2 meet in the horizontal joint 3.
- the backrest is suspended from the backrest bar 8, which is telescopic adjustable in height in the backrest shaft 15.
- Backrest rod 8 and backrest shaft 15 have bores 19 Fixing the backrest height set in each case.
- the parts 1.2 of the backrest shield are articulated over the Bearing parts 4.5 connected together.
- a bearing rod 7 is stored, which is still suitable Openings of the bearing piece 9 is stored.
- This stock 9 is attached to the backrest bar 8 and by means of a Bracket 13 secured.
- the bracket 13 is pivotable in the Backrest bar 8 hooked in, and is on part 1 of Backrest plate by means of the screw-on bracket holder 14 attached.
- the bearing piece 9 has on both sides of the backrest bar 8 Side panels 10 on. These side parts 10 have one hand Above stops, the upper part 1 of the backrest shield can concern. On the other hand, they have running down Cheeks on which the fixing block 16 is pivotally suspended is. This has a (not shown) nose, which in the holes 19 of the backrest bar 8 and the backrest shaft 15 can be locked. He also grips the backrest bar 8 and backrest shaft 15 and thus serves as a stop of the lower part 2 of the backrest shield.
- FIG. 3 shows the view from FIG. 2, but with the left bearing open.
- the bearing parts 4.5 consist of the Parts 1,2 connected bearing shells 11,12, and attachable Covering shells 17.18.
- the inner bearing shells 11 are with connected to the upper part 1 of the backrest shield, the outer Bearing shells 12 are connected to the lower part 2.
- the Bearing cups 11 are therefore "upper bearing cups” Bearing shells 12 called “lower bearing shell”, accordingly the corresponding cover shells 17, 18. Are inside the bearing rollers 6.
- the parts 1.2 of the backrest shield, the bearing parts 4.5, and the bearing piece 9 are preferably injection molded parts and are made of polypropylene or the stiffer polystyrene.
- Bearing bar 7, backrest bar 8 and backrest shaft 15, and bracket 13 are made of metal.
- the bearing rollers 6 can now also be made of polystyrene or some other rigid material. Then can the parts 1,2 of the backrest shield against each other around the bearings 4.5 swing, and the entire backrest shield around the im Bearing piece 9 bearing rod 7. The back follows only sagittal body movements.
- the bearing rollers consist of an elastic one Material, especially rubber. Then the bearing rod 7 movable that the backrest also torsional or transverse movements can follow the user's back.
- Fig. 1 the parts 1,2 of the backrest shield in reinforcing webs on, so that a Rib grid or a sandwich-like honeycomb structure arises.
- Clips, bolts, noses and hooks provided that essentially the connection with the serve (not shown) back of the backrest.
Description
- Fig.1
- eine perspektivische Gesamtansicht einer Rückenlehne nach der Erfindung von hinten,
- Fig.2
- eine vergrößerte Ansicht eines Teiles der in Fig 1 dargestellten Rückenlehne, und
- Fig.3
- eine Ansicht wie in Fig.2, jedoch mit geöffnetem Lager für den Lagerstab.
- 1
- Lehnenschild, oberer Teil
- 2
- Lehnenschild, unterer Teil
- 3
- Fuge
- 4
- oberes Lagerteil
- 5
- unteres Lagerteil
- 6
- Lagerrolle
- 7
- Lagerstab
- 8
- Lehnenstab
- 9
- Lagerstück
- 10
- Seitenteil des Lagerstücks
- 11
- obere Lagerschale
- 12
- untere Lagerschale
- 13
- Bügel
- 14
- Bügelhalter
- 15
- Lehnenschaft
- 16
- Fixierblock
- 17
- obere Abdeckschale
- 18
- untere Abdeckschale
- 19
- Bohrungen zur Höhenverstellung
Claims (8)
- Beweglich an einem Lehnenstab (8) aufgehängte Rückenlehne, welche aus horizontalen Abschnitten besteht,
dadurch gekennzeichnet, daßder Lehnenschild aus einem oberen Teil (1) und einem unteren Teil (2) besteht, welche in einer horizontal verlaufenden Fuge (3) aneinanderstoßen,die beiden Teile (1,2) gegeneinander schwenkbar an zwei beidseits des Lehnenstabes (8) angeordneten Lagern befestigt sind, wobei ein Lager aus einem ersten, am oberen Lehnenteil (1) befestigten Lagerteil (4), und einem zweiten, am unteren Lehnenteil (2) befestigten Lagerteil (5), sowie einer in das Innere der beiden Lagerteile (4,5) eingepaßten kreiszylindrischen Lagerrolle (6) besteht,ein Lagerstück (9) vorgesehen ist, das einerseits am oberen Ende des Lehnenstabes (8) befestigt ist, und andererseits Öffnungen aufweist, welche von einem Lagerstab (7) durchtreten werden, der auch in den Lagerrollen (6) der Lagerteile (4,5) gelagert ist, unddie Lagerrollen (6) entweder aus einem starren oder einem elastischen Material bestehen. - Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß die Lagerteile (4,5) jeweils aus einer am Lehnenschild befestigten Lagerschale (11,12), und damit korrespondierenden, aufsetzbaren Abdeckschalen (17,18) bestehen.
- Rückenlehne nach Anspruch 2, dadurch gekennzeichnet, daß die Außenöffnungen der Lagerschalen (11,12) und der Abdeckschalen (17,18) einen kleineren Durchmesser haben als die Lagerrollen (6).
- Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß das Lagerstück (9) eine nach unten geöffnete Tasche aufweist, in welche das obere Ende des Lehnenstabes (8) eingeführt ist, sowie zwei Seitenteile (10), in denen einerseits die Öffnungen zur Lagerung des Lagerstabes (7) vorgesehen sind, und die andererseits obere Anschläge aufweisen, die am oberen Teil (1) des Lehnenschildes anlegbar sind.
- Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß die Verbindung des Lehnenstabes (8) mit dem Lagerstück (9) mittels eines Bügels (13) gesichert ist, der einerseits im Lehnenstab (8) eingehakt ist, und andererseits mittels eines öffenbaren Bügelhalters (14) am oberen Teil (1) des Lehnenschildes befestigt ist.
- Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß das Lagerstück (9) beidseits des Lehnenstabes (8) nach unten verlaufende Wangen aufweist, an welchen schwenkbar ein Fixierblock (16) aufgehängt ist, der den Lehnenstab (8) umgreift, und einerseits eine Nase zum Eingreifen in die Bohrungen (19) der Höhenverstellung aufweist, und andererseits als Anschlag am unteren Teil (2) des Lehnenschildes dient.
- Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß die Teile (1,2) des Lehnenschildes, die Lagerteile (4,5) und das Lagerstück (9) Spritzgußteile sind, und aus Polypropylen oder aus Polystyrol bestehen, und die Lagerschalen (11,12) einstückig an die zugehörigen Teile (1,2) des Lehnenschildes angeformt sind.
- Rückenlehne nach Anspruch 1, dadurch gekennzeichnet, daß die Lagerrollen (6) aus Gummi bestehen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19626394A DE19626394A1 (de) | 1996-07-01 | 1996-07-01 | Bewegliche Rückenlehne |
DE19626394 | 1996-07-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0815779A2 EP0815779A2 (de) | 1998-01-07 |
EP0815779A3 EP0815779A3 (de) | 2000-01-19 |
EP0815779B1 true EP0815779B1 (de) | 2002-12-04 |
Family
ID=7798581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97108086A Expired - Lifetime EP0815779B1 (de) | 1996-07-01 | 1997-05-17 | Bewegliche Rückenlehne |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0815779B1 (de) |
AT (1) | ATE228793T1 (de) |
DE (3) | DE29622882U1 (de) |
ES (1) | ES2187696T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW582241U (en) * | 2002-12-23 | 2004-04-01 | R-Shuen Liau | Improved structure for adjusting height and position of backrest of chair |
US7416251B2 (en) | 2005-06-10 | 2008-08-26 | Global Total Office | Chair |
US7681952B2 (en) | 2008-06-06 | 2010-03-23 | Pro-Cord S.P.A. | Chair with tiltable backrest |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4333683A (en) * | 1978-12-04 | 1982-06-08 | Center For Design Research And Development N.V. | Chair with automatically adjustable tilting back |
DE3025916A1 (de) * | 1980-07-09 | 1982-01-28 | Röder GmbH Sitzmöbelwerke, 6000 Frankfurt | Rueckenlehne fuer ein sitzmoebel, insbesondere fuer einen buerodrehstuhl |
DE3361727D1 (en) * | 1982-10-22 | 1986-02-13 | Castelli Spa | Chair having a back comprising a plurality of articulated segments |
DE3775397D1 (de) * | 1987-09-25 | 1992-01-30 | Stoll Kg Christof | Stuhl-rueckenteil. |
ZA93308B (en) * | 1992-01-21 | 1994-05-23 | Bio Support Ind | Demountable backrest |
-
1996
- 1996-07-01 DE DE29622882U patent/DE29622882U1/de not_active Expired - Lifetime
- 1996-07-01 DE DE19626394A patent/DE19626394A1/de not_active Withdrawn
-
1997
- 1997-05-17 AT AT97108086T patent/ATE228793T1/de not_active IP Right Cessation
- 1997-05-17 DE DE59708864T patent/DE59708864D1/de not_active Expired - Fee Related
- 1997-05-17 EP EP97108086A patent/EP0815779B1/de not_active Expired - Lifetime
- 1997-05-17 ES ES97108086T patent/ES2187696T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59708864D1 (de) | 2003-01-16 |
ATE228793T1 (de) | 2002-12-15 |
DE29622882U1 (de) | 1997-07-10 |
DE19626394A1 (de) | 1998-01-08 |
ES2187696T3 (es) | 2003-06-16 |
EP0815779A2 (de) | 1998-01-07 |
EP0815779A3 (de) | 2000-01-19 |
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