EP0105955A1 - Chaise - Google Patents

Chaise Download PDF

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Publication number
EP0105955A1
EP0105955A1 EP82109443A EP82109443A EP0105955A1 EP 0105955 A1 EP0105955 A1 EP 0105955A1 EP 82109443 A EP82109443 A EP 82109443A EP 82109443 A EP82109443 A EP 82109443A EP 0105955 A1 EP0105955 A1 EP 0105955A1
Authority
EP
European Patent Office
Prior art keywords
support
seat
chair according
seat support
plate
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.)
Granted
Application number
EP82109443A
Other languages
German (de)
English (en)
Other versions
EP0105955B1 (fr
Inventor
Wilhelm Oergele
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.)
MARTIN STOLL GmbH
Original Assignee
MARTIN STOLL GmbH
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 MARTIN STOLL GmbH filed Critical MARTIN STOLL GmbH
Priority to EP82109443A priority Critical patent/EP0105955B1/fr
Priority to DE8282109443T priority patent/DE3269436D1/de
Priority to AT82109443T priority patent/ATE18124T1/de
Publication of EP0105955A1 publication Critical patent/EP0105955A1/fr
Application granted granted Critical
Publication of EP0105955B1 publication Critical patent/EP0105955B1/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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted frame
    • A47C7/443—Supports for the head or the back for the back with elastically-mounted frame with coil springs
    • A47C7/444—Supports for the head or the back for the back with elastically-mounted frame with coil springs of torsion type
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
    • A47C1/03274—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs of torsion type
    • 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
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame with a central column, e.g. rocking office chairs; Tilting chairs
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports

Definitions

  • the invention relates to a chair with a seat support and a seat plate, which comprises a front and a rear pivotable about a horizontal, transverse axis with the front connected partial plate, with a pivotally connected to the seat support arm, which supports the rear partial plate, and with at least an elastic energy accumulator, which tries to pivot the rear part plate and the support arm upwards.
  • the support arm is pivotably mounted on the seat support below the seat plate between the pivotable mounting of the rear partial plate and the support of the rear partial plate on the support arm. This also results in a smaller space requirement for the pivoting mechanism, since the support arm, in contrast to the construction known from German patent 28 22 574, is articulated in the rear chair area, and no corresponding bearing points are necessary in the front chair area.
  • the support arm can be fixed in different angular positions by means of a latching device. It is advantageous if a locking cartridge is rotatably mounted on the one hand on the seat support and on the other hand on the support arm and if the locking cartridge comprises an elastic energy accumulator that tries to move the support arm into the upright position.
  • the snap-in cartridge preferably has two halves which can be telescopically displaced relative to one another, the spacing of which can be fixed by a spring-loaded catch; a spring that pushes the two halves apart is arranged inside the snap-in cartridge.
  • Such a construction is particularly advantageous because it can be arranged in the rear part of the seat surface between the seat support and support arm without requiring much space, in particular the locking cartridge between two legs can penetrate the support arm.
  • one of the rear partial plates is located below the seat support te is arranged with a spring force acting on an upward force.
  • Such bending springs are structurally less complex than torsion bar springs, for example, and thus enable such a chair to be produced inexpensively.
  • the spiral spring has in its central region at least one helical turn and two arms extending from it, one of which rests on the underside of the seat support, the other on the underside of the rear partial plate, and when one is in the turn Support surface held by the seat support protrudes.
  • the two arms of the spiral spring run close to the underside of the seat plate and therefore take up very little space.
  • the other arm of the spiral spring rests on the bearing shaft of a handlebar, one end of which is pivotally mounted on the rear partial plate and the other end of which is pivotally mounted on the support bracket.
  • This double function of the bearing shaft eliminates the need for special support elements for the spiral spring, i.e. the construction is further simplified.
  • a spiral spring is arranged on each side of the seat support and both spiral springs are connected to one another in the region of their support on the seat support via a crossbar.
  • a support projecting on both sides is held on the seat support, the ends of each in the winding one of the two spiral springs protrude and form the support surface.
  • the assembly of the spiral spring can therefore be carried out in a very simple manner so that the two spiral springs are slightly bent apart and that the turns of the two spiral springs are pushed from the outside over the ends of the carrier. No further fixation means are then necessary.
  • the spring force for pivoting the rear part plate and the support arm is distributed over different springs, namely on two spiral springs and the spring of the locking cartridge. This allows springs to be used that are small in size, i.e. this distribution of the spring force over several spring units further reduces the space required for the pivoting mechanism below the seat surface.
  • the carrier is hollow on at least one side and an actuating lever for adjusting the height of the seat carrier is arranged in it.
  • This integration of the lever also saves space, so that overall a chair can be produced inexpensively with the construction according to the invention, which carries a pivoting mechanism that is not very important on the underside of the seat surface and on the other hand advantageously enables anatomically correct sitting.
  • the chair shown in Figures 1 and 2 comprises a seat plate 1, which is formed by a front partial plate 2 and a rear partial plate 3.
  • the front partial plate 2, which is approximately twice as deep as the rear partial plate 3, is firmly connected to a seat support 5, which consists of a plate-shaped rail.
  • This is rigidly connected by means of a horizontal region 6 to a support column 7, and this support column 7 is telescopically mounted in a receiving tube 8 of a chair foot, not shown in the drawing.
  • a horizontal end area 10 adjoins the horizontal area 6 of the seat support 5 via an obliquely rising area 9, which is welded to an angle rail 11 running parallel to the front edge of the seat plate.
  • the angle rail 11 lies on the underside of the front partial plate 2 approximately in the middle between the front edge and the rear edge thereof and is connected to the front partial plate 2 by means of screws 12.
  • the horizontal area 6 of the seat support 5 carries an upwardly projecting support 13 immediately behind the attachment point of the support column 7, which supports with a rag 14 Nes hinge 15 is welded to the rear edge of the front plate 2.
  • the tab 14 is fastened by means of screws 16 to the underside of the front partial plate 2 in such a way that a bearing shaft 17 encompassed by the tab 14 extends parallel behind the rear edge of the partial plate 2.
  • the front partial plate 2 is thus held rigidly on the seat support 5 via the angle rail 11 held on the seat support and via the tab 14 connected to the support 13.
  • the angle rail 11 and the tab 14 extend approximately over half the width of the seat surface, while the seat support 5, on the other hand, has only a small width (FIG. 2).
  • the bearing shaft 17 protrudes laterally over the tab 14, and in this area the bearing shaft 17 is surrounded by hinge eyelets 18 which are connected to two fastening bands 19 lying flat against the underside of the rear partial plate 3.
  • These fastening tapes 19 run obliquely to the rear of the rear part p plate and to the center thereof and are fastened by means of screws 20 to the underside of the rear part plate 3, so that it is pivotably mounted at the rear end of the front part plate 2.
  • the the hinge loops opposite 18 ends of the fastening gun g sb are bent vertically downwards and each form a support 21 for a horizontal, running parallel to the bearing shaft 17 bearing shaft 22, which is arranged at a small distance parallel to the bottom of the rear sub-panel.
  • a link 27 rotatably mounted on the bearing shaft 22 is rotatably mounted on a further bearing shaft 28 which runs parallel to the bearing shaft 22 and is held with its ends in the two opposing webs 24 of the support arm 25.
  • the support arm 25 and the rear partial plate 3 are connected to one another in an articulated manner such that a pivoting movement of the supporting arm 25 is transferred to a pivoting movement of the partial plate 3 and vice versa.
  • the snap-in cartridge 31 On a bearing pin 29 running parallel to the bearing shaft 28 and which is held in the web area 30 of the U-shaped support arm 25, one end of a snap-in cartridge 31 is rotatably mounted, the other end of which is rotatably supported on a bearing pin 32 which in turn is in a U- shaped holder 33 is attached to the underside of the seat support 5.
  • the snap-in cartridge 31 consists of two telescoping tube pieces 34 and 35 which are displaceable one inside the other, both of which are rotatably supported by respective bearing bolts 29 and 32, respectively.
  • the outer tube piece 35 is open at both ends and has in its interior an annular step 36 which serves as a stop for a snap ring 37 projecting beyond the outer circumference of the other tube piece 34 and limits the extension of the snap-in cartridge 31 by pushing the tube pieces 34 and 35 apart.
  • a compression spring 38 which is supported on the one hand on the bearing pin 29 and on the other hand on a thrust washer 39 which in turn rests on the bearing pin 32.
  • the thrust washer 39 also carries a mandrel 40 entering the inside of the compression spring 38.
  • the locking lever 43 can be pivoted out of the engagement position against the action of the tension spring, so that the distance between the two tube pieces 34 and 35 and thus also the angular position of the support arm 25 relative to the seat support 5 can be changed.
  • a tunnel-shaped support 46 protruding laterally above the seat support 5, the upper, rounded outer surface of which serves as a support surface for two spiral springs 47, which extends on both sides of the seat support 5 essentially parallel to it.
  • Both spiral springs 47 are completely bent around the carrier 46 and thus form a winding 48 surrounding them, from which one end 49 of each spiral spring 47 extends substantially in a straight line under the rear partial plate 3 and rests against the underside of the bearing shaft 22, specifically in a space between the downwardly bent parts of the fastening straps serving as bearings 21 and the handlebar 27.
  • each spiral spring is connected to a web 50, which runs parallel to the bearing shaft 17 and lies below the horizontal end region 10 on the seat support 5 and connects the two spiral springs 47 to one another.
  • the web 50 is surrounded by a sleeve 51 rotatably mounted on it, which bears on the underside of the seat support 5.
  • the bearing shaft 22 in the contact area of the ends 49 of the spiral springs 47 also carries a sleeve rotatably mounted on it, against which the ends 49 of the spiral spring 42 bear. When the part plate and the support arm are pivoted, these sleeves prevent the spiral spring on the underside of the seat support or
  • An actuating lever 52 for the height adjustment of the support column 7 relative to the receiving tube 8 is arranged in the interior of the tunnel-shaped support 46, this adjustment device being located inside the support column 7.
  • the actuating lever 52 protrudes laterally parallel to the bearing shaft 17 and can be actuated on the underside of the seat plate 1 by a person sitting on the chair for height adjustment.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP82109443A 1982-10-13 1982-10-13 Chaise Expired EP0105955B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP82109443A EP0105955B1 (fr) 1982-10-13 1982-10-13 Chaise
DE8282109443T DE3269436D1 (en) 1982-10-13 1982-10-13 Chair
AT82109443T ATE18124T1 (de) 1982-10-13 1982-10-13 Stuhl.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82109443A EP0105955B1 (fr) 1982-10-13 1982-10-13 Chaise

Publications (2)

Publication Number Publication Date
EP0105955A1 true EP0105955A1 (fr) 1984-04-25
EP0105955B1 EP0105955B1 (fr) 1986-02-26

Family

ID=8189277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109443A Expired EP0105955B1 (fr) 1982-10-13 1982-10-13 Chaise

Country Status (3)

Country Link
EP (1) EP0105955B1 (fr)
AT (1) ATE18124T1 (fr)
DE (1) DE3269436D1 (fr)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617623A1 (de) * 1986-05-26 1987-12-03 Drabert Soehne Stuhl
US4789203A (en) * 1986-10-06 1988-12-06 Ahrend Groep N.V. Chair with movable seat and backrest
EP0417518A1 (fr) * 1989-09-12 1991-03-20 Simon Desanta Chaise, notamment chaise de bureau
US5238294A (en) * 1991-05-21 1993-08-24 Itoki Co., Ltd. Interlocking mechanism for supporting seat and seat back of chair
GB2270622A (en) * 1992-09-22 1994-03-23 Walker And Homer Group Plc Resiliently supported seat
US5425566A (en) * 1990-09-05 1995-06-20 Buchacz; Jurek Working chair
US5447357A (en) * 1992-08-21 1995-09-05 Dauphin Entwicklungs- U. Beteiligungs-Gmbh Chair with inclinable seat
US5567012A (en) * 1986-04-10 1996-10-22 Steelcase, Inc. Chair control
US5630647A (en) * 1995-02-17 1997-05-20 Steelcase Inc. Tension adjustment mechanism for chairs
EP1325693A3 (fr) * 2002-01-08 2004-01-21 Dauphin Entwicklungs- u. Beteiligungs-GmbH Chaise
RU2226975C2 (ru) * 2001-08-06 2004-04-20 Гаврюшов Александр Васильевич Одиночное кресло с переменными частями сиденья
US6966604B2 (en) * 1992-06-15 2005-11-22 Herman Miller, Inc. Chair with a linkage assembly
US8113586B2 (en) * 2009-01-23 2012-02-14 Chen Yung-Hua Apparatus for adjusting the seat back angle
EP2403381A4 (fr) * 2009-03-06 2012-08-01 Karri Rinne Construction de siège biomécanique
EP2494887A4 (fr) * 2009-10-26 2013-03-13 Itoki Corp Fauteuil à bascule
CN108371436A (zh) * 2018-04-25 2018-08-07 严澄宇 弹力跷跷板式的自由倾仰机构及自由调节转椅
US20240008647A1 (en) * 2021-02-19 2024-01-11 Eb-Invent Gmbh Seating furniture

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741472A1 (de) * 1987-12-08 1989-06-22 Simon Desanta Stuhl
DE4303324A1 (de) * 1993-02-05 1994-08-11 Bock Martin Kunststoff Sitzmöbel, insbesondere Bürostuhl
DE4305841B4 (de) * 1993-02-26 2008-07-31 VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG Stuhl mit in der Höhe verstellbarem Sitz
ITMI20070718A1 (it) 2007-04-06 2008-10-07 L & P Property Management Co Dispositivo di regolazione per sedie regolabili e simili.
ITMI20070719A1 (it) 2007-04-06 2008-10-07 L & P Property Management Co Dispositivo di inclinazione per un sedile reclinabile.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836630A (en) * 1928-07-16 1931-12-15 Thum Martin Chair
US2321385A (en) * 1941-06-16 1943-06-08 Sikes Company Tilting chair
DE1258045B (de) * 1962-10-30 1968-01-04 Hans Joachim Schneider Dr Med Sitz mit Untergestell und Sitzkeil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836630A (en) * 1928-07-16 1931-12-15 Thum Martin Chair
US2321385A (en) * 1941-06-16 1943-06-08 Sikes Company Tilting chair
DE1258045B (de) * 1962-10-30 1968-01-04 Hans Joachim Schneider Dr Med Sitz mit Untergestell und Sitzkeil

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5725277A (en) * 1986-04-10 1998-03-10 Steelcase Inc. Synchrotilt chair
US5567012A (en) * 1986-04-10 1996-10-22 Steelcase, Inc. Chair control
EP0247312A3 (en) * 1986-05-26 1988-04-13 Drabert Sohne Gmbh & Co. Chair
DE3617623A1 (de) * 1986-05-26 1987-12-03 Drabert Soehne Stuhl
US4789203A (en) * 1986-10-06 1988-12-06 Ahrend Groep N.V. Chair with movable seat and backrest
EP0263535A3 (en) * 1986-10-06 1989-03-22 Ahrend Groep B.V. Chair with movable seat and backrest
EP0417518A1 (fr) * 1989-09-12 1991-03-20 Simon Desanta Chaise, notamment chaise de bureau
US5425566A (en) * 1990-09-05 1995-06-20 Buchacz; Jurek Working chair
US5238294A (en) * 1991-05-21 1993-08-24 Itoki Co., Ltd. Interlocking mechanism for supporting seat and seat back of chair
US6966604B2 (en) * 1992-06-15 2005-11-22 Herman Miller, Inc. Chair with a linkage assembly
US5447357A (en) * 1992-08-21 1995-09-05 Dauphin Entwicklungs- U. Beteiligungs-Gmbh Chair with inclinable seat
GB2270622A (en) * 1992-09-22 1994-03-23 Walker And Homer Group Plc Resiliently supported seat
US5630649A (en) * 1995-02-17 1997-05-20 Steelcase Inc. Modular chair construction and method of assembly
US5782536A (en) * 1995-02-17 1998-07-21 Steelcase Inc. Modular chair construction and method of assembly
US5630647A (en) * 1995-02-17 1997-05-20 Steelcase Inc. Tension adjustment mechanism for chairs
RU2226975C2 (ru) * 2001-08-06 2004-04-20 Гаврюшов Александр Васильевич Одиночное кресло с переменными частями сиденья
EP1325693A3 (fr) * 2002-01-08 2004-01-21 Dauphin Entwicklungs- u. Beteiligungs-GmbH Chaise
US8113586B2 (en) * 2009-01-23 2012-02-14 Chen Yung-Hua Apparatus for adjusting the seat back angle
EP2403381A4 (fr) * 2009-03-06 2012-08-01 Karri Rinne Construction de siège biomécanique
EP2494887A4 (fr) * 2009-10-26 2013-03-13 Itoki Corp Fauteuil à bascule
US8752896B2 (en) 2009-10-26 2014-06-17 Itoki Corporation Rocking chair
CN108371436A (zh) * 2018-04-25 2018-08-07 严澄宇 弹力跷跷板式的自由倾仰机构及自由调节转椅
EP3560381A1 (fr) * 2018-04-25 2019-10-30 Cheng Yu Yan Mécanisme d'inclinaison élastique de type à bascule et chaise pivotante le comportant
CN108371436B (zh) * 2018-04-25 2023-10-27 严澄宇 弹力跷跷板式的自由倾仰机构及自由调节转椅
US20240008647A1 (en) * 2021-02-19 2024-01-11 Eb-Invent Gmbh Seating furniture
US12588763B2 (en) * 2021-02-19 2026-03-31 Eb-Invent Gmbh Seating furniture

Also Published As

Publication number Publication date
DE3269436D1 (en) 1986-04-03
ATE18124T1 (de) 1986-03-15
EP0105955B1 (fr) 1986-02-26

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