EP0641532B1 - Colonne ajustable en longueur pour chaises, tables ou similaires - Google Patents

Colonne ajustable en longueur pour chaises, tables ou similaires Download PDF

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Publication number
EP0641532B1
EP0641532B1 EP19940110575 EP94110575A EP0641532B1 EP 0641532 B1 EP0641532 B1 EP 0641532B1 EP 19940110575 EP19940110575 EP 19940110575 EP 94110575 A EP94110575 A EP 94110575A EP 0641532 B1 EP0641532 B1 EP 0641532B1
Authority
EP
European Patent Office
Prior art keywords
adjustable column
longitudinally adjustable
standpipe
column according
cone section
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
Application number
EP19940110575
Other languages
German (de)
English (en)
Other versions
EP0641532A1 (fr
Inventor
Hans Jürgen Bauer
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.)
Suspa Compart AG
Original Assignee
Suspa Compart AG
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 Suspa Compart AG filed Critical Suspa Compart AG
Publication of EP0641532A1 publication Critical patent/EP0641532A1/fr
Application granted granted Critical
Publication of EP0641532B1 publication Critical patent/EP0641532B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
    • 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
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/28—Chairs or stools with vertically-adjustable seats with clamps acting on vertical rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S248/00—Supports
    • Y10S248/911—Plural, selectively usable, support engaging means

Definitions

  • the invention relates to a length-adjustable column for chairs, tables or the like.
  • a base frame for a chair is known from DE 27 47 777 C2, which has a base frame and a length-adjustable column.
  • the column In relation to the central longitudinal axis of the column, the column is provided with projections projecting outwards and spaced apart from one another. Blind grooves in a cylindrical hub bore of the base frame are assigned to these projections.
  • a clamping wedge is also provided, by means of which the standpipe of the column can be pressed against the wall of the hub bore, so that the projections of the standpipe are pressed into the blind grooves.
  • the invention has for its object a length-adjustable column for chairs, tables or the like. to create that can be easily connected to a pedestal.
  • the base frame can be designed as is generally customary, i.e. it has a cone hub and foot struts extending outward therefrom.
  • the cone hub has the same design as is common for length-adjustable columns, in particular for chairs, but also for tables, in which the standpipe is provided with a cone section formed on the standpipe itself.
  • the cone section is not integrated in the standpipe, but instead a separate component in the form of a slotted sleeve or consisting of two half-shells.
  • the basic height adjustment of the length-adjustable column opposite the base frame can be changed over approximately the full length of the column's standpipe.
  • the chair column shown in the drawing has a standpipe 1, in which a length-adjustable gas spring is arranged as a pneumatic or hydropneumatic piston-cylinder adjusting element.
  • the standpipe 1 and the gas spring 2 have a common central longitudinal axis 3.
  • An outer housing 4 of the gas spring 2 is displaceably supported in the direction of the axis 3 in a guide bush 5, which is arranged at one end 6 of the standpipe 1, which is upper in the drawing.
  • This outer housing 4 of the gas spring 2 can be its housing itself or a protective tube surrounding it.
  • a piston rod 7 protrudes from the housing 4 of the gas spring and is supported in the direction of the axis 3 via an axial roller bearing 8 in relation to a base plate 9 of the standpipe 1.
  • the base plate 9 is located at the one end 6 opposite the other - shown in the drawing below - end 10 of the standpipe 1.
  • a pin 11 of the piston rod 7 passing through the axial rolling bearing 8 extends through an opening 12 of the opening 3 which is concentric with the axis 3 Base plate 9. It is secured against being pulled out against the underside of base plate 9 by means of a washer 13 and a spring retaining ring 14.
  • the diameter of the opening 12 is larger than the diameter of the pin 11.
  • the standpipe 1 is provided with a conical section 17 tapering slightly towards the end 10, by means of which the standpipe 1 is fastened in a corresponding cone hub of a base frame or the like. is possible.
  • the ring-shaped base plate 9 is supported on a cup-shaped rim 18 of the standpipe 1 which is rolled inwards in the region of its end 10.
  • This inwardly rolled edge is approximately semicircular in cross-section, i.e. it has approximately the cross-section of a semi-circular ring.
  • EP 0 366 889 A corresponding to US Pat. No. 4,969,619.
  • the cone section 17 is designed as an independent section which is not formed or shaped on the standpipe 1. It basically consists of a sleeve. In the embodiment according to FIGS. 1 and 2, this sleeve, which forms the cone section 17, consists of two identical half-shells 19, ie the sleeve is longitudinally divided in a plane which accommodates the central longitudinal axis 3. The two half-shells 19 are provided with a groove 20 which runs concentrically to the axis 3 and is approximately at half their length, that is to say in relation to the direction of the axis 3.
  • a protrusion is formed in the form of a bead 21 which extends concentrically with the axis 3 and projects outwards and engages in the grooves 20 when the two half-shells 19 with their Inner sides 22 are placed against the outer sides 23 of the standpipe 1, whereby they complement each other to form a sleeve forming the cone section 17. If the two half-shells 19 lie firmly against the standpipe 1, they cannot be displaced in the direction of the axis 3 relative to the standpipe 1.
  • the two half-shells 19 forming the cone section 17 taper - as already mentioned above - towards the lower end 10 of the standpipe 1; thus they have an outer conical surface 24, or the like for abutment in a corresponding conical hub of a base frame. is coming.
  • the half-shells 19 can be fixed to the standpipe 1 in pairs at different distances from the lower end 10 thereof.
  • the distance a between two adjacent beads 21 in the direction of the axis 3 is basically arbitrary; it only has to be greater than the distance b of the center of the groove 20 from the distant edge 25 of the cone section 17, so that the two half-shells 19 come into engagement with a bead 21 engaging in their grooves 20, from the adjacent bead or beads 21 but are free.
  • 1 also shows the cone angle c of the outer cone surface 24 relative to the axis 3.
  • FIGS. 3 and 4 differs from that according to FIGS. 1 and 2 in that the cone section 17 does not order from two half-shells, but rather a sleeve 26, which opens only on one side through a slot 27 running parallel to the axis 3 is. It has in the region of its two end edges 28, 29 groove-like, that is to say annular circumferential recesses 30, 31 whose center distance d in the direction of the axis 3 corresponds to the center distance a 'of two adjacent beads 21 on the standpipe 1'.
  • the embodiment according to FIG. 5 again has two half-shells 19 ′′, which are provided with a groove 20 and two groove-like recesses 30, 31 in the region of their edges 28, 29.
  • the center distance a ′′ of adjacent beads 21 is identical over the length of the standpipe 1 ′′.
  • it is smaller than in the exemplary embodiment according to FIGS. 3 and 4, namely only half as large. It corresponds to the center distance d ′′ of the central groove 20 from the recess 30 or the recess 31.
  • the slotted sleeve 26 must consist of material which is so elastic that it can be expanded to such an extent that it can be pushed over the beads 21.
  • the half-shells 19 can thus be made of die-cast zinc, die-cast aluminum, a very rigid plastic or the like.
  • the slotted sleeve 26 should consist of a sufficiently elastic, but very strong plastic, for which POM (acetal resin) or PP (polypropylene), which can optionally also be glass fiber reinforced, are suitable.
  • the projections which have been formed by the beads 21 in the embodiments according to FIGS. 1 to 6 can also be formed by annular deformations 34 - so-called passages - which are shown in FIG. 6.
  • These deformations 34 are formed in such a way that the wall 35 of the standpipe 1 or 1 'or 1''is pressed outward to form an opening 36, as a result of which an annular, that is to say an annular cylindrical deformation 34 is formed which forms a projection forms.
  • the dimensions of the grooves 20 and the recesses 30, 31 on the one hand and the beads 21 or deformations 34 on the other hand should be such that the cone sections 17 in the direction of the axis 3 are at least largely free of play on the standpipe 1, 1 ' , 1 '' are arranged.
  • Fig. 7 shows the application of the chair column 37 described in a work chair.
  • This has a base 39 supported on the floor by rollers 38, on which the chair column 37 is mounted so as to protrude upwards.
  • the upper end of the housing 4, from which the actuating pin 16 protrudes, is fastened to the underside of a seat 40, a pivotable actuating lever 41 being provided for actuating the actuating pin 16.
  • the chair also has a backrest 42 in the usual way.
  • the basic height of the seat 40 is predetermined in that the chair column 37 is connected to the foot frame 39 in the manner described at different heights.
  • the foot frame 39 has in its center in the usual way a cone hub 43 serving as a receptacle for the respective cone section 17, from which relatively strongly curved foot struts 44 extend downwards to the rollers 38, so that the cone hub 43 has a distance from the floor, which enables the described basic settings of the standpipe 1, 1 ', 1' 'to the base frame 39.
  • adjustable column can also be used for tables or the like. be used

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Fluid-Damping Devices (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (9)

  1. Colonne (37) ajustable en longueur pour chaises, tables ou similaires, caractérisée par
    - un tube vertical (1, 1', 1'') avec un axe longitudinal médian (3) qui - par rapport à l'axe (3) - présente à distance l'un de l'autre au moins deux ressauts (21, 34) en saillie vers l'extérieur,
    - un élément d'ajustage en longueur (2) pneumatique ou hydropneumatique agencé dans le tube vertical (1, 1', 1'') de manière concentrique par rapport à l'axe longitudinal médian (3) et
    - un tronçon conique (17) comportant une surface conique (24) extérieure en forme de douille, destiné à être mis en place dans un manchon conique (43) d'une structure de pied (39) avec une face intérieure (22) venant en appui sur la face extérieure (23) du tube vertical (1, 1', 1''), et avec au moins un évidement (20, 30, 31) destiné à coiffer un des ressauts (21, 34).
  2. Colonne ajustable en longueur selon la revendication 1, caractérisée en ce que le tronçon conique (17) est réalisé sous la forme d'un manchon (26) divisé par une fente (27).
  3. Colonne ajustable en longueur selon la revendication 1, caractérisée en ce que le tronçon conique (17) est constitué par deux demi-coques (19, 19'').
  4. Colonne ajustable en longueur selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'évidement est réalisé sous forme d'une rainure (20).
  5. Colonne ajustable en longueur selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'évidement est réalisé sous forme d'une rainure et est ouvert sur un côté (28, 29) d'extrémité du tronçon conique (17) par rapport à l'axe (3).
  6. Colonne ajustable en longueur selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le tronçon conique (17) est agencé pratiquement sans jeu sur le tube vertical (1, 1', 1'') - par rapport à l'axe longitudinal médian (3).
  7. Colonne ajustable en longueur selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'un ressaut est formé par une moulure (21).
  8. Colonne ajustable en longueur selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'un ressaut est formé par une déformation (34) annulaire.
  9. Colonne ajustable en longueur selon la revendication 2, caractérisée en ce que le manchon (26) est en un matériau élastique dur.
EP19940110575 1993-09-02 1994-07-07 Colonne ajustable en longueur pour chaises, tables ou similaires Expired - Lifetime EP0641532B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934329611 DE4329611A1 (de) 1993-09-02 1993-09-02 Längenverstellbare Säule für Stühle, Tische o. dgl.
DE4329611 1993-09-02

Publications (2)

Publication Number Publication Date
EP0641532A1 EP0641532A1 (fr) 1995-03-08
EP0641532B1 true EP0641532B1 (fr) 1997-03-05

Family

ID=6496648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940110575 Expired - Lifetime EP0641532B1 (fr) 1993-09-02 1994-07-07 Colonne ajustable en longueur pour chaises, tables ou similaires

Country Status (5)

Country Link
US (1) US5462248A (fr)
EP (1) EP0641532B1 (fr)
JP (1) JP3520116B2 (fr)
DE (2) DE4329611A1 (fr)
ES (1) ES2101395T3 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5702083A (en) * 1996-04-17 1997-12-30 Lai; Shiang-Hwey Pneumatic cylinder of a pneumatic lever-lift chair, and its assembly process
DE19640738C1 (de) * 1996-10-02 1998-01-22 Stabilus Gmbh Längenverstellbare Säule für Stühle, Tische oder dergleichen
US5979845A (en) * 1997-05-16 1999-11-09 Steelcase Inc. Hub tube/washer assembly
KR100215231B1 (ko) * 1997-06-02 1999-08-16 이세용 회전의자용 스크류 스핀들
US6371421B1 (en) * 1997-08-23 2002-04-16 Samhongsa Co., Ltd. Device for controlling the height of a swivel chair
US6098937A (en) * 1998-01-08 2000-08-08 Carnahan; Garnett Support stand, assembly using the same, and method of making the same
US6116555A (en) * 1998-05-29 2000-09-12 Krueger International, Inc. Plastic chair base including hub with integral ring and oppositely-directed tapers
US6536357B1 (en) 2000-06-01 2003-03-25 Formway Furniture Limited Height adjustable table
US7134634B2 (en) * 2001-02-15 2006-11-14 Samhongsa Co., Ltd. Column unit
DK200101808A (da) * 2001-12-05 2003-06-06 Linak As En løftesøjle, fortrinsvis til højdejusterbare borde samt fremgangsmåde til fremstilling heraf
US6739670B2 (en) * 2002-08-21 2004-05-25 Edward H. Johnson Adjustable height table having multiple chairs/ottomans with storage and method therefor
US7017872B2 (en) * 2003-10-20 2006-03-28 Attwood Corporation Height adjustable boat seat pedestal
CN2766084Y (zh) * 2005-02-18 2006-03-22 马准安 卡爪结构
JP2007319500A (ja) * 2006-06-02 2007-12-13 Kurogane Kosakusho Ltd 椅子
KR100910946B1 (ko) * 2007-09-17 2009-08-05 주식회사 한국가스스프링 실린더 안내를 위한 부싱 지지용 테이퍼 가이드를 갖는가스 실린더
KR100875544B1 (ko) * 2007-12-31 2008-12-26 주식회사 삼홍사 가스 실린더
DE102009047748B3 (de) * 2009-12-09 2011-07-28 SUSPA GmbH, 90518 Längenverstellbare Kolben-Zylinder-Einheit mit Sicherungs-Vorrichtung
WO2015136034A1 (fr) * 2014-03-14 2015-09-17 moll Funktionsmöbel GmbH Chaise équipé d'un dispositif de réglage en hauteur
KR101416190B1 (ko) * 2014-05-09 2014-07-09 주식회사 다옴텍 의자용 칼럼 유니트
US20170051869A1 (en) * 2015-08-21 2017-02-23 Chern Shing Top Co., Ltd. Lifting Holder Structure
JP6821309B2 (ja) * 2016-03-07 2021-01-27 三洋電機株式会社 二次電池および二次電池集合体

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Publication number Priority date Publication date Assignee Title
CH100436A (de) * 1922-03-28 1923-07-16 Wenger Hans Verstellvorrichtung für Klavier- und Bureaustühle.
US2722970A (en) * 1952-01-02 1955-11-08 William C Uphoff Extension for a tubular chair leg
DE1914257U (de) * 1964-11-14 1965-04-22 Reinhard Hoernlein K G Hydraulisch gesteuertes hebeaggregat.
CH514317A (de) * 1969-06-19 1971-10-31 Bauer Fritz Hubvorrichtung zum stufenlosen Höherverstellen einer Tragfläche, insbesondere Sitzfläche von Stühlen oder Hockern
DE2035950A1 (de) * 1970-07-20 1972-02-17 U Otto Entwicklungsbüro fur Hydro pneumatik, 7305 Altbach Vorrichtung zur mechanischen Blockie rung zweier teleskopierender Rohre
DE2747777A1 (de) * 1977-10-25 1979-04-26 Kirschbaum Albrecht Von Untergestell fuer einen stuhl
SE418144B (sv) * 1978-05-31 1981-05-11 Kinnarps Kontorsmobler Ab Anordning vid en stol med en sa kallad stolspindel
DE8329848U1 (de) * 1982-11-03 1985-08-08 Protoned B.V., Amsterdam Höhenverstellbare Stuhlstützsäule
DE8321916U1 (de) * 1983-07-29 1983-11-17 Fritz Bauer + Söhne oHG, 8503 Altdorf Blockierbare hubvorrichtung zum stufenlosen verstellen von stuhlsitzen, tischplatten oder aehnlichen moebelteilen
US4580749A (en) * 1983-10-24 1986-04-08 Gas Spring Company Div. Of Fichtel & Sachs Industries, Inc. Support column unit
IT1215170B (it) * 1985-12-23 1990-01-31 A Bra Cuneo Colonna di supporto per una sedia regolabile in altezza e sedia comprendente tale colonna
US4828212A (en) * 1987-05-18 1989-05-09 Faultless Doerner Manufacturing Inc. Means for adjusting the vertical height of the seat of a chair
US4811670A (en) * 1987-07-24 1989-03-14 Intermetro Industries Corporation Shelf support system having a triangular support post
DE3833959A1 (de) * 1988-10-06 1990-04-12 Bauer Fritz & Soehne Ohg Laengenverstellbare saeule fuer stuehle, tische oder dergleichen
US5011104A (en) * 1990-05-07 1991-04-30 Tatung Company Of America, Inc. Adjustable frame
DE4207470A1 (de) * 1991-05-01 1992-11-05 Suspa Compart Ag Blockierbare hubvorrichtung zum stufenlosen verstellen von stuhlsitzen

Also Published As

Publication number Publication date
EP0641532A1 (fr) 1995-03-08
DE4329611A1 (de) 1995-03-09
ES2101395T3 (es) 1997-07-01
DE59401899D1 (de) 1997-04-10
US5462248A (en) 1995-10-31
JP3520116B2 (ja) 2004-04-19
JPH07148049A (ja) 1995-06-13

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