EP1197168A2 - Palier pour une chaise - Google Patents

Palier pour une chaise Download PDF

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Publication number
EP1197168A2
EP1197168A2 EP01810918A EP01810918A EP1197168A2 EP 1197168 A2 EP1197168 A2 EP 1197168A2 EP 01810918 A EP01810918 A EP 01810918A EP 01810918 A EP01810918 A EP 01810918A EP 1197168 A2 EP1197168 A2 EP 1197168A2
Authority
EP
European Patent Office
Prior art keywords
spring element
seat
surrounding body
spring
core
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
EP01810918A
Other languages
German (de)
English (en)
Other versions
EP1197168A3 (fr
EP1197168B1 (fr
Inventor
Egon Bräuning
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.)
Vitra AG
Original Assignee
Vitra Patente 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 Vitra Patente AG filed Critical Vitra Patente AG
Publication of EP1197168A2 publication Critical patent/EP1197168A2/fr
Publication of EP1197168A3 publication Critical patent/EP1197168A3/fr
Application granted granted Critical
Publication of EP1197168B1 publication Critical patent/EP1197168B1/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
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with 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
    • A47C7/36—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 present invention relates to a bearing for a seat, in particular a chair, but is also for stools, individual seats on a bench or fixed seats in means of transport or e.g. suitable in stadiums or parks.
  • the invention is concerned with a seat mounting that fits all Directions or pendulum movement of the Allows seat.
  • Such seating follows the posture of the Users and convey more about the cushioning of the seat cushion swinging, free sitting feeling.
  • Bearings for seats are known in a variety of designs. Especially for Working chairs form the height adjustability and the cushioning of the backrest today's standard (see for example WO 98/16140). Many chairs are with Equipped with a synchronous mechanism, which allows the backrest to move a simultaneous, synchronous movement of the seat follows.
  • the height adjustment is mostly effected by a gas spring, while for the synchronous mechanisms Coil springs, gas springs, torsion bars or combinations thereof are used (e.g. US 5,417,473; EP 0 839 478 A1; WO 00/22961).
  • a mechanism is known from WO 90/14031 where the seat support sits on a ball joint so that the seat can be rotated and tilted can.
  • the set rotational position and inclination can be locked lock.
  • Rubber body which with increasing load on the front edge of the seat a fixed frame part and the movable seat support together can be pressed (see, for example, US 3,863,982; US 4,890,886).
  • the chair mechanics relevant to the present invention allow an in pendulum movement of the seat suspended in all directions.
  • Such chairs, Stools and the like tend in the direction of the body inclination or shift of the center of gravity of the user and expand the freedom of movement via the cushioning of the seat cushion, so that a swinging seating feeling is created.
  • the center pillar of the seat was divided horizontally and one radially circumferential rubber ring inserted (see CH 685 848; DE 43 01 734 A1) or a flat rubber cushion arranged between the divided center column (see CH 678 388; US 5,024,485).
  • FR 2 514 303 discloses mechanical engineering, in particular engine mounting, an arrangement for vibration absorption to the vibrations to diminish on the frame. This is done between the vibration source and the frame side an attenuator with an inserted, quasi-insulating Arranged elastomer layer. Apart from that this attenuator from a completely different subject, a fundamentally different one The task - compared to the mounting of a seat - is such an attenuator not suitable for storing a swinging seat.
  • the task of the local invention is based on such an improved in effect and in life Propose storage. It also depends on the storage as To be able to produce serial items efficiently and install them in different seats.
  • the storage for a seat that rests on a base has an am Spring element arranged under the frame.
  • the spring element is in a surrounding body positions and allows the elastic movement of the surrounding body in the horizontal plane.
  • the surrounding body is with the Seat connected or forms part of it.
  • the spring element is on top of an axial column of the base, preferably arranged on an extendable, axially effective spring.
  • the spring element is intended to be on top of an axial extendable linkage of a gas spring to be arranged.
  • the spring element has an elastic outer jacket, e.g. a rubber body.
  • the Surrounding body has a lower, pot-shaped part in which the Spring element sits.
  • the spring element and the surrounding body have an axial passage. Alternatively, the surrounding body in which the Spring element sits, a cup-shaped embracing the spring element from above Part.
  • the spring element consists of an inner, preferably metallic core and the elastic outer jacket arranged on it.
  • the core has one Opening, preferably an axial passage, for receiving the column.
  • the radial, outer circumference of the outer casing of the spring element is preferred cylindrical or tapered upwards or essentially has a cylindrical shape with the above and lower reduction in diameter.
  • the core is firmly connected to the outer jacket.
  • the spring element is from above clamped an upper mold half, with the surrounding body arranged below is connected, with the seat attached to the upper half of the mold.
  • this is from above the spring element attached surrounding body firmly connected to the outer jacket is, the surrounding body a flange for connection to the May have seat.
  • the axial passage preferably narrows conically.
  • an opening for actuation of the gas spring trigger In the upper half of the mold or in the surrounding body placed on the spring element from above is, coaxial to the central column forming the gas spring, an opening for actuation of the gas spring trigger.
  • the internal core of the spring element has then an extension that protrudes into the opening and is guided in it.
  • the chair consists of a base frame 1, here a conventional star base, from which a central column 2 extends in the middle.
  • the center column 2 can be an unchangeable support or contain an axially acting spring, for example a helical spring, a gas spring or a spring combination thereof.
  • the seat 3 - here in the form of a seat shell - in which the user finds space is placed on the center column 2 .
  • the seat could also be designed as an approximately angular structure or as a plate on a stool.
  • the purpose of the invention is shown schematically, namely to create a mounting for a seat, including a chair, the seat of which allows a pendulum movement in the horizontal plane, from a rest position 0 , in all directions R1 to RX , the maximum movement being the rest position 0 is defined with the angle of inclination ⁇ .
  • the possible directions R1 to RX - for example only laterally or from front to back - can be structurally defined, as will be described later.
  • the base frame 1, the center column 2 ( typically a gas spring) and a cup-shaped seat 3 are present .
  • a tubular gas spring cover 20 and a cylindrical plunger extension 21 can also be seen .
  • the bearing in a first embodiment consists of a spring element 4 in its first variant , a lower, pot-like surrounding body 5 and an upper molded part 6, here in the form of a cover plate, which is intended for attachment to the top of the bottom of the seat 3 .
  • a seat cushion plate 30 covering the upper molded part 6 is provided.
  • the spring element 4 is roughly cylindrical with parts 40, 41 reduced in diameter at the top and bottom , a middle part 42, an outer jacket 43, a core 44 and an axial passage 45, the latter passing through the core 44 .
  • the spring element 4 of the first variant is in principle positively received by the pot part 50 of the surrounding body 5 via the lower part 41 and the middle part 42 .
  • the upper part 40 is positively enclosed by the complementarily contoured, underside molded collar 60 of the upper molded part 6 .
  • the spring element 4 is with its axial passage 45 on the top of the conically ending gas spring 2 , on the release plunger 23 axially the plunger extension 21 is placed, which protrudes upward from the axial passage 45 , so that the release lever 22 lies thereon.
  • a recess 61 is provided in the plate-shaped molded part 6 in the vicinity of the emerging plunger extension 21 , which allows clearance in all directions R1 to RX in the event of a pendulum movement.
  • the surrounding body 5 has, over the pot part 50, an outwardly pointing horizontal flange 51 , on which the ring flange 62 of the shaped part 6, which protrudes beyond the shaped collar 60 , rests and extends even further outwards with its outer edge 63 .
  • the shaped collar 60 protrudes into the pot part 50 .
  • Flange 51 and ring flange 62 resting thereon are connected to one another, for example screwed.
  • the outer edge 63 is connected to the shell-shaped seat 3 , for example also screwed.
  • the seat shell 3 encloses the spring element 4 clamped between the surrounding body 5 and the upper molded part 6 .
  • a spring element 4 is used in a second variant .
  • the core 44 is extended axially upwards as a core extension 440 and thus projects into the recess 61 .
  • the core extension 440 beats against the edge of the recess 61 at the maximum possible inclination angle ⁇ .
  • the maximum possible inclination angle can be achieved ⁇ define or directions of movement can be determined, eg only to the side or only from front to back. This can be achieved with a correspondingly elongated recess 61 .
  • Other movement patterns in cross or diagonal form could also be created in this way.
  • the axial passage 45 of the spring element 4 is also conical.
  • material of the elastic outer jacket 43 can be supported on the radial bead 441 and develop a higher spring resistance.
  • the core 44 ends with the upper part 40 of the outer jacket 43.
  • a spring element 4 of the second variant (according to FIG. 6B) with a core extension 440 is provided if one wishes to limit the oscillating movement of the seat 3 up to a maximum permissible angle of inclination ⁇ or according to a specific movement pattern.
  • the elastic outer jacket 43 could, for example, consist of a specially suitable rubber mixture, while the core 44 is preferably metallic.
  • the seat support according to the invention is shown in a second embodiment .
  • a base frame 1, a center column 2 - preferably a gas spring -, a seat 3, the spring element 4, the lower surrounding body 5 ' and an upper molded part 6' are again provided.
  • the special feature here is that the upper molded part 6 'is not formed by a separate plate, but by a correspondingly contoured recess 60' in the seat support 6 ' .
  • the recess 60 ′ encloses the upper part 40 of the spring element 4, equivalent to the shaped collar 60 .
  • the recess 61 ' is again provided in the seat support 6' .
  • the upper body of the encircling body 5 ' is inserted into the recess 60' , is enclosed by the seat support 6 ' and is connected to the latter, quasi encapsulating the spring element 4 .
  • the recess 61 ' allows freedom of movement as a deflection from the rest position 0.
  • a spring element 4 is used in a third variant , which is also intended to be plugged onto a center column 2 .
  • the sleeve-shaped core 44 has an axial passage 45 for receiving the upper end of the center column 2 , preferably a gas spring with a telescopically extendable lifting rod. It is advantageous if the axial passage 45 , complementary to the lifting rod, narrows conically upwards.
  • the core 44 which is made of steel, for example, has a circular circumferential shoulder surface 442 , which preferably results from an outer cone with an increasing tapering diameter.
  • the outer jacket 43 is enclosed by an upper molded part 600 , so that this represents a surrounding body 600 for the outer jacket 43 .
  • the core 44 should be firmly connected to the outer jacket 43 and the latter to the upper molded part 600 .
  • the spring element 4 is thus a 3-part structural unit, consisting of the core 44 , the outer jacket 43 and the upper molded part 600 .
  • a seat attached to the upper molded part 600 can perform elastic movements in the horizontal plane due to the elasticity of the outer jacket 43 arranged between the core 44 and the molded part 600 .
  • a spring element 4 is used in a fourth variant , which in turn is plugged onto a center column 2 .
  • the sleeve-shaped core 44 has the preferably conical axial passage 45 for receiving the upper end of the center column 2 .
  • the core 44 again has the circular, outer circumferential shoulder surface 442 on which the elastic outer jacket 43 is arranged, which now has an outer circumference which is in principle cylindrical.
  • the molded part 600 ' which covers the outer jacket 43 from above in the manner of a cap is provided at the bottom with a flange 601' .
  • the core 44 , the outer jacket 43 and the molded part 600 ′ representing the surrounding body form the spring element 4 as a structural unit.
  • a seat 3 fixed to the molded part 600 ' preferably to the flange 601', can be moved elastically in the horizontal plane by the elasticity of the outer casing 43, as in the previous constructions.
  • the recess 61 ′′ is again present above the axial passage 45 of the molded part 600 ′ in order to provide access for a release lever 22 to the release plunger 23 or a plunger extension 21 of the center column 2 formed by the gas spring.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Springs (AREA)
EP01810918A 2000-10-12 2001-09-21 Palier pour une chaise Expired - Lifetime EP1197168B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH20112000 2000-10-12
CH20112000 2000-10-12

Publications (3)

Publication Number Publication Date
EP1197168A2 true EP1197168A2 (fr) 2002-04-17
EP1197168A3 EP1197168A3 (fr) 2003-07-30
EP1197168B1 EP1197168B1 (fr) 2007-01-24

Family

ID=4567121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810918A Expired - Lifetime EP1197168B1 (fr) 2000-10-12 2001-09-21 Palier pour une chaise

Country Status (4)

Country Link
US (1) US20020043846A1 (fr)
EP (1) EP1197168B1 (fr)
AT (1) ATE352231T1 (fr)
DE (1) DE50111943D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1943927A3 (fr) * 2007-01-12 2009-11-11 Ronald Schmitt Tische GmbH Siège
WO2011110877A3 (fr) * 2010-03-12 2011-11-03 Nagy Zoltan Chaise d'exercice
DE102014000386A1 (de) * 2014-01-10 2015-07-16 Eberhard Lenz Bewegliches Sitzlager
EP3708032A1 (fr) * 2016-02-23 2020-09-16 Kokuyo Co., Ltd. Mécanisme de support de siège et chaise
US10820704B2 (en) 2016-06-20 2020-11-03 Kokuyo Co., Ltd. Chair and seat support mechanism

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DE20019569U1 (de) * 2000-11-17 2001-01-11 Meyer Stephan Sitzvorrichtung für ein Sitzmöbel
NZ529154A (en) * 2003-10-24 2006-07-28 Furnware Ltd Recline mechanism for seating furniture
DE202004005366U1 (de) * 2004-04-05 2004-06-24 VS Vereinigte Spezialmöbelfabriken GmbH & Co. Stuhl mit Wippmechanik
US6979059B1 (en) * 2004-09-16 2005-12-27 Hc Holdings, Llc Rocking chair construction
US7393051B2 (en) * 2005-04-06 2008-07-01 Air Seat Technologies, Inc. Seat with adjustable omnidirectional suspension
WO2007111428A1 (fr) * 2006-03-16 2007-10-04 Sung Gil Gang Chaise d'exercice ventral
US20070241599A1 (en) * 2006-04-17 2007-10-18 Dewey Hodgdon Chair flexpad support arrangement
US7806479B2 (en) * 2007-02-14 2010-10-05 Wisys Technology Foundation Seat with adjustable dynamic joint
US20090091167A1 (en) * 2007-10-04 2009-04-09 Think/Thing Child seating system and method
US20090230743A1 (en) * 2007-12-18 2009-09-17 Afrooz Derakhshan Rehabilative exercising chair
DE202008014043U1 (de) * 2008-10-22 2010-03-11 Tepe-Walser, Silvia Federweiche Lagerungszwischenstücke
US8231175B2 (en) * 2009-04-13 2012-07-31 Afshin Aminian Dynamic orthopaedic chair
US7938489B2 (en) * 2009-04-15 2011-05-10 Joseph Nazari Swivel and reclining chair
DE102009060261B3 (de) * 2009-12-23 2011-05-12 Topstar Gmbh Kippvorrichtung für einen Stuhl sowie Stuhl mit einer derartigen Kippvorrichtung
WO2011087264A2 (fr) * 2010-01-13 2011-07-21 Jung Dae-Hoon Chaise multifonction
DE102010047323B4 (de) 2010-10-01 2015-12-31 Sandra Schlöffel Sitzlagerung
DE102011001811A1 (de) * 2011-04-05 2012-10-11 Wilkhahn Wilkening + Hahne Gmbh + Co. Kg Stuhl
US9060612B2 (en) 2011-05-17 2015-06-23 Rebecca M. Lee Balance chair
WO2014198255A1 (fr) * 2013-06-12 2014-12-18 Stefan Brodbeck Chaise
WO2015003796A1 (fr) * 2013-07-07 2015-01-15 Bock 1 Gmbh & Co. Kg Mécanisme pour chaise de bureau
US20150173515A1 (en) * 2013-12-23 2015-06-25 Freedman Seats Ltd Seat
DE102014103780B3 (de) * 2014-03-19 2015-06-18 Wilkhahn Wilkening + Hahne Gmbh + Co. Stuhl
US9839292B2 (en) 2014-04-08 2017-12-12 John Hart Miller Rotating and non-rotating reclining chairs w/tilting mechanisms
US9629465B2 (en) * 2015-03-18 2017-04-25 Krueger International, Inc. Lounge chair
US9398811B1 (en) * 2015-03-18 2016-07-26 Krueger International, Inc. Lounge chair
US10021979B2 (en) 2016-02-22 2018-07-17 John Hart Miller Rotating and non-rotating reclining chairs with tilting mechanisms
CN205795341U (zh) * 2016-05-19 2016-12-14 强龙家具股份有限公司 一种双向控制气杆阀门的椅子
CN205795340U (zh) * 2016-05-19 2016-12-14 强龙家具股份有限公司 一种能够倾仰摆动的椅子
CN110022724B (zh) * 2016-12-20 2022-11-11 国誉株式会社 椅子和椅子的罩构件
US10034547B1 (en) * 2017-03-03 2018-07-31 Oasyschair Co., Ltd. Reclinable office chair
WO2019073419A1 (fr) * 2017-10-11 2019-04-18 Fleetwood Group, Inc. Tabouret à siège oscillant
CN112056832A (zh) * 2020-06-24 2020-12-11 浙江圣奥家具制造有限公司 一种具有复位球铰结构的万向摇摆座椅
CN116763083A (zh) * 2023-07-25 2023-09-19 深圳创博优科技发展有限公司 一种可偏转的折叠支架

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US4890886A (en) 1987-01-23 1990-01-02 Peter Opsvik A/S Tilting mechanism, preferably for a chair seat or similar article
WO1990014031A1 (fr) 1989-05-19 1990-11-29 Tridec Iii Corporation Chaise pivotante a siege inclinable et mecanisme prevu a cet effet
US5417473A (en) 1992-10-08 1995-05-23 Protoned B.V. Chair mechanism providing for an inclination range and inclination stop means
CH685848A5 (de) 1993-01-14 1995-10-31 Mobil Werke U Frei Ag Pendelstuhl
WO1998016140A1 (fr) 1996-10-14 1998-04-23 Protoned B.V. Cadre, mecanisme de reglage et revetement rembourre pour un siege
EP0839478A1 (fr) 1996-10-14 1998-05-06 Protoned B.V. Mécanisme pour chaise et revêtement de rembourrage
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863982A (en) 1973-02-05 1975-02-04 Est Company Inc Tilt-swivel mechanism for a chair
US4890886A (en) 1987-01-23 1990-01-02 Peter Opsvik A/S Tilting mechanism, preferably for a chair seat or similar article
WO1990014031A1 (fr) 1989-05-19 1990-11-29 Tridec Iii Corporation Chaise pivotante a siege inclinable et mecanisme prevu a cet effet
US5417473A (en) 1992-10-08 1995-05-23 Protoned B.V. Chair mechanism providing for an inclination range and inclination stop means
CH685848A5 (de) 1993-01-14 1995-10-31 Mobil Werke U Frei Ag Pendelstuhl
WO1998016140A1 (fr) 1996-10-14 1998-04-23 Protoned B.V. Cadre, mecanisme de reglage et revetement rembourre pour un siege
EP0839478A1 (fr) 1996-10-14 1998-05-06 Protoned B.V. Mécanisme pour chaise et revêtement de rembourrage
WO2000022961A1 (fr) 1998-10-20 2000-04-27 Vitra Patente Ag Mecanique de fauteuil

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1943927A3 (fr) * 2007-01-12 2009-11-11 Ronald Schmitt Tische GmbH Siège
WO2011110877A3 (fr) * 2010-03-12 2011-11-03 Nagy Zoltan Chaise d'exercice
DE102014000386A1 (de) * 2014-01-10 2015-07-16 Eberhard Lenz Bewegliches Sitzlager
EP3708032A1 (fr) * 2016-02-23 2020-09-16 Kokuyo Co., Ltd. Mécanisme de support de siège et chaise
US10820704B2 (en) 2016-06-20 2020-11-03 Kokuyo Co., Ltd. Chair and seat support mechanism

Also Published As

Publication number Publication date
EP1197168A3 (fr) 2003-07-30
DE50111943D1 (de) 2007-03-15
ATE352231T1 (de) 2007-02-15
EP1197168B1 (fr) 2007-01-24
US20020043846A1 (en) 2002-04-18

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