EP0128562B1 - Chaise avec siège monté rotatif - Google Patents

Chaise avec siège monté rotatif Download PDF

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Publication number
EP0128562B1
EP0128562B1 EP84106593A EP84106593A EP0128562B1 EP 0128562 B1 EP0128562 B1 EP 0128562B1 EP 84106593 A EP84106593 A EP 84106593A EP 84106593 A EP84106593 A EP 84106593A EP 0128562 B1 EP0128562 B1 EP 0128562B1
Authority
EP
European Patent Office
Prior art keywords
column
bearing
chair
seat
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
Application number
EP84106593A
Other languages
German (de)
English (en)
Other versions
EP0128562A2 (fr
EP0128562A3 (en
Inventor
Richard Eppler
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.)
Wilhelm Link & Co KG Stahlrohrmobel GmbH
Wilhelm Link GmbH and Co KG
Original Assignee
Wilhelm Link & Co KG Stahlrohrmobel GmbH
Wilhelm Link GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wilhelm Link & Co KG Stahlrohrmobel GmbH, Wilhelm Link GmbH and Co KG filed Critical Wilhelm Link & Co KG Stahlrohrmobel GmbH
Priority to AT84106593T priority Critical patent/ATE37978T1/de
Publication of EP0128562A2 publication Critical patent/EP0128562A2/fr
Publication of EP0128562A3 publication Critical patent/EP0128562A3/de
Application granted granted Critical
Publication of EP0128562B1 publication Critical patent/EP0128562B1/fr
Expired legal-status Critical Current

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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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/18—Chairs or stools with rotatable seat

Definitions

  • the invention relates to a chair with a seat body rotatably mounted on a column and provided with a bearing recess for the upper end of the column and with a resilient locking element arranged in the bearing recess, which can be latched onto the column.
  • a chair of the type mentioned is known from DE-A-26 18 542.
  • This chair has the disadvantage that the pillar end is mounted directly in the bearing recess of the seat body, the bearing recess being provided only with a plastic coating and the resilient coupling member being formed by a snap ring.
  • this chair is not only a speedy wear of the plastic coating of the bearing surface to be feared, but g and by the shape of the bearing end of the Guatemalacicie and the bearing recess in the seat body, including the Lager lakebeschictitü a cumbersome manufacturing process n required.
  • the invention has for its object to design a chair of the type mentioned so that it can be produced cheaper than previous chairs of this type while achieving a stable pivot bearing for the seat body.
  • the locking element consists of several resilient locking tongues which are arranged on a bearing cup inserted into the bearing recess of the seat body.
  • the column and the seat body rotatably connected to it are thus captively connected to one another by a simple plug-in connection with locking device.
  • the bearing cup with the coupling elements securing the plug connection. can be prefabricated extremely dimensionally, so that adjusting elements influencing the seat body seat, such as threaded clamping cones or the like, can be completely dispensed with.
  • the resilient locking tongues result in a secure coupling, so that an undesired disengagement of the seat body from its storage when using the chair need not be feared.
  • the column can expediently be made of a tube which is drawn in at its upper end and on which a peripheral web is formed as a locking projection at a distance from the drawn-in end by being pressed out.
  • the bearing cup according to the invention is adapted not only in its cylindrical part, but also by rounding its bottom edge to the column with its retracted end, and the locking tongues are provided with grooves for receiving the peripheral web of the column.
  • the bearing cup can be prefabricated from a high-quality, stable plastic material with good sliding properties, so that post-processing of this part can be completely omitted.
  • the resilient locking tongues delimiting the opening edge of the bearing cup can be manufactured with such a high degree of rigidity that an absolutely secure and not involuntarily releasable locking connection is created. This connection can, but does not have to, be secured by a locking ring that prevents the latching tongues from spreading open.
  • FIG. 1a and 1b show two chairs 10 and 10 ', both of which have a central, length-adjustable chair column 12 resting on a foot star 11, on the upper end of which a seat body 14 or 15 with a bearing attachment 16 is rotatably arranged.
  • a backrest 17 is fastened to the seat body 14 via a connecting web 18, that is to say the chair seat 19 and backrest 17 are formed separately.
  • a shell 20 is formed on the seat body 15, which forms both the seat surface 21 and a backrest surface 22.
  • FIGS. 2 and 3 show the rotary connection point of a seat body 14 molded from plastic, on which the bearing boss 16 is integrally formed.
  • a bearing cup 23 prefabricated from a high-quality plastic material was firmly cast into the bearing shoulder 16 during the manufacture of the seat body 14, the outer ribs 24 of the bearing bowl 23 providing its secure anchoring in the bearing shoulder 16.
  • the bearing cup 23 is dimensionally adapted to the upper end 13 of the column 12 of the chair 10, 10 ′ made from a tube, including a rounding 27 on the edge of the cup base 28. This rounding 27 is in line with the rounding of the inwardly curved edge 29 of the column 12 customized.
  • a ratchet web 30 starting from the bulge is formed by pressing it out, which fits into a matching groove 31 in FIG Latches 26 of the bearing cup 23 fits.
  • the column 12 is inserted with the bent end 29 of its end section 13 into the opening of the bearing cup 23 until the latching web 30 engages in the receiving groove 31 of the latching tongues 26.
  • the latching tongues can then be secured in their latching position by pushing on a locking ring 32 arranged concentrically on the column 12.
  • a locking ring 32 arranged concentrically on the column 12.
  • This locking ring can also have an internal thread with which it can be screwed onto peripheral projections of the locking tongues 26, which are not shown.
  • FIGS. 4 and 5 differs from the embodiment according to FIGS. 2 and 3 by a seat support in the form of a metal plate 33 which is provided with a bulge 34 delimiting a circular opening at the location of the bearing recess.
  • a support disk 35 is inserted into this bulge and connected to the carrier plate 33 by an annular weld 36.
  • the inward edge 37 of the bulge 34 protrudes into a suitable outer groove of a bearing cup 23 'which is inserted into the bearing recess of the carrier plate 33 and is in turn made of a high-quality plastic and which also bears against the upwardly bent edge 39 of the support disk 35.
  • the bearing cup 23 ' is of the same design as the bearing cup 23 according to the exemplary embodiment in FIGS. 2 and 3.
  • FIGS. 3 and 4 are therefore supplemented with the same reference numerals as in FIGS. 2 and 3 indicated by an index line.
  • the tubular column 12 ' is also designed with its end section 13' the same as in the exemplary embodiment according to FIGS. 2 and 3.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Special Chairs (AREA)

Claims (5)

1. Chaise avec un corps de siège (14) monté en rotation à une colonne (12) et muni d'un évidement d'appui pour l'extrémité supérieure de la colonne et avec un élément encliquetable élastique (26, 26') disposé dans l'évidement d'appui et pouvant s'encliqueter sur la colonne (12), caractérisée en ce que l'élément encliquetable est constitué de plusieurs languettes encliquetables élastiques (26, 26') qui sont disposées sur une coupelle d'appui (23, 23') placée dans l'évidement d'appui du corps de siège (14, 33).
2. Chaise conforme à la revendication 1, caractérisée en ce que la colonne réalisée à partir d'un tube (12, 12') est rétrécie à son extrémité supérieure (29, 29') et est munie d'une nervure circonférentielle (30, 30'), faisant fonction de saillie encliquetable, réalisée par déformation à distance de l'extrémité rétrécie (29, 29'), et en ce que la coupelle d'appui (23, 23') comporte, sur son bord supérieur, un arrondi (27, 27') adapté au rétrécissement de l'extrémité de colonne (29, 29') et, sur ses languettes encliquetables (26, 26'), des gorges (31) pour recevoir la nervure circonférentielle (30, 30') de la colonne (12, 12').
3. Chaise conforme à la revendication 1 ou 2, caractérisée en ce que la coupelle d'appui (23) est réalisée dans une matière plastique à bonnes propriétés de glissement et comporte, sur son côté extérieur, des saillies (24) et/ou des évidements pour son ancrage dans le corps de siège (14).
4. Chaise conforme à l'une des revendications 1 à 3, caractérisée par un anneau de blocage (32) disposé concentriquement à la colonne (12) et pouvant être glissé sur les languettes encliquetables (26) de la coupelle d'appui (23).
5. Chaise conforme à la revendication 4, caractérisée en ce que l'anneau de blocage (32) est muni d'un filetage intérieur et les languettes encliquetables (26) sont munies de saillies extérieures adaptées au filetage de l'anneau de blocage.
EP84106593A 1983-06-14 1984-06-08 Chaise avec siège monté rotatif Expired EP0128562B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106593T ATE37978T1 (de) 1983-06-14 1984-06-08 Stuhl mit drehbar gelagertem sitzkoerper.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833321411 DE3321411A1 (de) 1983-06-14 1983-06-14 Stuhl mit drehbar gelagertem sitzkoerper
DE3321411 1983-06-14

Publications (3)

Publication Number Publication Date
EP0128562A2 EP0128562A2 (fr) 1984-12-19
EP0128562A3 EP0128562A3 (en) 1986-03-12
EP0128562B1 true EP0128562B1 (fr) 1988-10-19

Family

ID=6201434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106593A Expired EP0128562B1 (fr) 1983-06-14 1984-06-08 Chaise avec siège monté rotatif

Country Status (5)

Country Link
EP (1) EP0128562B1 (fr)
AT (1) ATE37978T1 (fr)
DE (3) DE3321411A1 (fr)
DK (1) DK289284A (fr)
NO (1) NO842361L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215796A (en) * 1988-02-09 1989-09-27 Fuji Heavy Ind Ltd Antilock brake control method for motor vehicles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB137690A (en) * 1919-03-28 1920-01-22 John Smith Improvements in bedside tables
US3415155A (en) * 1966-08-01 1968-12-10 Chrysler Corp Bushing
GB1297580A (fr) * 1970-12-15 1972-11-22
DE2618542A1 (de) * 1976-04-28 1977-11-10 Horst Walter Pollehn Kombiniertes axial-radial-gleitlager
SE418144B (sv) * 1978-05-31 1981-05-11 Kinnarps Kontorsmobler Ab Anordning vid en stol med en sa kallad stolspindel
US4361930A (en) * 1979-11-16 1982-12-07 Tiffany Industries, Inc. Caster socket assembly

Also Published As

Publication number Publication date
NO842361L (no) 1984-12-17
EP0128562A2 (fr) 1984-12-19
DE3441135A1 (de) 1986-05-15
DE3321411C2 (fr) 1990-05-03
EP0128562A3 (en) 1986-03-12
DE3321411A1 (de) 1984-12-20
DK289284D0 (da) 1984-06-13
DK289284A (da) 1984-12-15
ATE37978T1 (de) 1988-11-15
DE3474627D1 (en) 1988-11-24

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