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WO2009135617A1 - Chaise comportant un dossier pivotant - Google Patents

Chaise comportant un dossier pivotant Download PDF

Info

Publication number
WO2009135617A1
WO2009135617A1 PCT/EP2009/003121 EP2009003121W WO2009135617A1 WO 2009135617 A1 WO2009135617 A1 WO 2009135617A1 EP 2009003121 W EP2009003121 W EP 2009003121W WO 2009135617 A1 WO2009135617 A1 WO 2009135617A1
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
chair
chair according
seat
pivot arm
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.)
Ceased
Application number
PCT/EP2009/003121
Other languages
German (de)
English (en)
Inventor
Martin Ballendat
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.)
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs GmbH
Original Assignee
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs 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 Friedrich W Dauphin GmbH and Co, Dauphin Entwicklungs und Beteiligungs GmbH filed Critical Friedrich W Dauphin GmbH and Co
Priority to DE112009000789T priority Critical patent/DE112009000789A5/de
Publication of WO2009135617A1 publication Critical patent/WO2009135617A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • 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
    • A47C7/402—Supports for the head or the back for the back adjustable in height
    • 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 back-rest or backrest-seat unit in the base frame
    • A47C7/443—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • 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 back-rest or backrest-seat unit in the base frame
    • A47C7/445—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs

Definitions

  • the invention relates to a chair having the features of the preamble of claim 1.
  • Such a chair is known from practice and in particular designed as a so-called office chair, which comprises a seating surface having a seat member which is rotatably mounted in particular on a chair leg.
  • This chair further comprises a backrest which is movably attached to a pivot arm, which in turn is pivotable relative to the seat cushion. The respective relative movements of the chair elements to each other can be locked.
  • the invention is based on the object, a chair of initially mentioned, which takes account of the abovementioned disadvantages.
  • a chair which has a sit a surface having soupsendes seat member which is mounted on at least one chair leg, and a backrest which is movably mounted on a pivot arm which is pivotable relative to the seat member.
  • the backrest performs when exerting pressure on an upper back abutment surface area an evasive movement along a curved path in the direction of the seat element.
  • the movement of the backrest along the curved path can be achieved that when the user reclines and a connected pivoting or. Tilting the backrest about the pivot axis of the pivot arm, the upper region of the backrest evades to the rear and the lower portion of the backrest moves closer to the back, so that an optimized investment behavior of the backrest can be realized on the back of the user.
  • curved track is. to understand in its broadest sense and includes both a bow line following and purely translational movements of the backrest relative to the swing arm.
  • a translational movement can also be parallel to the pivot arm or. to the plane of the backrest, which would essentially counteract the shirt's extension effect.
  • the invention is particularly useful when the Swivel arm has a pivot axis which is disposed below the seat surface of the seat member.
  • the chair according to the invention is preferably designed such that the seat is rotatable relative to the chair leg.
  • the seat surface may experience misalignment or tilting with respect to the chair leg apart from the possibility of rotation when tilting the pivoting arm.
  • the curved path is defined by at least one guide track, in which at least one guide pin is guided.
  • the guideway may be formed from one or more mutually separate sections, wherein always at least two areas in which the at least one pin is guided, should be employed with respect to the plane of the backrest.
  • the guideway is fixed backrest and the pin schwenkarmfest.
  • the upper end region of the backrest on which, in particular, the user's shoulders can rest, to be pressed in the maximum position in the direction of the user in the zero position of the backrest.
  • the zero position of the backrest relative to the swivel arm can be held by means of a return spring, which thus biases the backrest in the direction of the zero position, ie in the direction of a first end position facing away from the seat element.
  • the return spring may be a spiral spring, the backrest fixed at one end and connected to the other end schwenkarm- firmly.
  • the return spring with a leaf spring, a rubber band or the like is formed.
  • the at least one guideway which predetermines the sliding movement of the backrest relative to the swivel arm, may be formed on a carrier or bearing bracket of the backrest, via which the backrest is mounted on the swivel arm.
  • the chair according to the invention comprises at least one upper and one lower guide track, each of which interacts with a pin and which are each set in relation to the plane of the backrest.
  • the two guideways can then define a sliding movement, which specifies an example, approximately elliptical path of movement of the backrest.
  • the backrest is preferably displaceably mounted on the swivel arm by means of a sliding device.
  • the slider may comprise a guide carriage which cooperates with rollers, a needle groove bearing or the like.
  • a relative movement between the backrest and the pivot arm correspond, for example, between 0 and about 60 mm.
  • Fig. 1 is a side view of a first personssfortn a B ⁇ rostuhls according to the invention
  • Fig. 2 is a rear perspective view of the office chair after
  • Fig. 3a and b are side views of the office chair of FIG. 1 with upright backrest resp. pivoted backrest;
  • Fig. 4 is a side view of a second embodiment of an office chair according to the invention.
  • an office chair 10 which is provided with a trained as a seat cushion Sit zelement 12 which is rotatably mounted on a bearing bracket 14 and height adjustable on a five feet chair leg 16.
  • the individual feet of the chair leg 16 are in each case provided with a roller 18.
  • the chair 10 further includes a likewise formed as a cushion element backrest 20 which is movably mounted on a pivot arm 22 which arranged by means of a Zeins 12 below the Sit, designed in the usual way pivot mechanism 24 relative to the Sit zelement 12 29enkbar i st.
  • the Schwenkmechani k 24 wei st a pivot axis 26 in the region of the bearing bracket 14, wherein the Sit zelements 12 is mounted on a pivot axis 28 on the pivot mechanism 24.
  • the pivoting arm 22 has a sliding profile 30, which embraces a section 32 of the pivoting arm 22 formed as a flat profile, wherein the respectively set height of the backrest 20 relative to the seat element 12 can be secured by means of a locking device consisting of a Swivel tab 34 is formed with a pin which engages in detent holes 36 of the flat profile 32.
  • the pivoting lug 34, the pivoting lug 34 is mounted on an axis formed by a bolt 40 is biased by a leaf spring 38 in the direction of its blocking position.
  • two bearing brackets 42A and 42B are arranged at the rear thereof, which are each provided with an upper guide track 44A and 44B and a lower guide track 46A and 46B.
  • the guideways which define a path of movement of the backrest 20 relative to the pivotal arm 22 are respectively opposite the plane of the backrest 20, the upper guideways 44A and 44B having their upper ends towards the shoulder region of the backrest 20 and the lower guideways 46A and 46B with their lower ends in the direction of the lower end region or the lordosis area of the backrest 20.
  • an upper pin 48 is mounted, which forms with its end portions guide pin and on the back of the pivot arm 22 and, of the sliding profile 30 is fixed.
  • the lower bolt 40 is slidably guided, which also forms with its end portions guide pin and which is also fixed to the back of the slide 30 of the swing arm 26.
  • a bearing pin 50 is arranged between the bearing brackets 42A and 44B, to which a coil spring 52 is suspended with one end, the other end is hooked to the upper pin 48, so that the backrest 20 is biased in the direction of its substantially upright zero position so that the bolts 48 and 40 abut on the lower end surfaces of the guideways 44A, 44B and 46A, 46B, respectively.
  • FIG. 4 shows a second embodiment of an office chair 10 'according to the invention, which essentially corresponds to that according to FIGS. 1 to 3, but differs therefrom in that the bearing brackets 42A' and 42B 1 each have only one guide track 60 , in which the two bolts 40 and 48 are guided.
  • the bolts 48 are each fixed to a bearing block 62 and 64 of the slide 30 of the swing arm 22.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)

Abstract

L'invention concerne une chaise comportant un élément d'assise (12) présentant une surface d'assise, logé sur au moins un pied de chaise (16), et un dossier (20) fixé mobile à un bras pivotant (22) pouvant pivoter par rapport à l'élément d'assise (12). Selon l'invention, le dossier (20) décrit un mouvement d'évitement le long d'une trajectoire courbe dirigée vers l'élément d'assise (12) lorsqu'une pression est exercée sur une zone d'appui dorsal supérieure (54).
PCT/EP2009/003121 2008-05-06 2009-04-30 Chaise comportant un dossier pivotant Ceased WO2009135617A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112009000789T DE112009000789A5 (de) 2008-05-06 2009-04-30 Stuhl mit schwenkbarer Rückenlehne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008006179.2 2008-05-06
DE202008006179U DE202008006179U1 (de) 2008-05-06 2008-05-06 Stuhl mit schwenkbarer Rückenlehne

Publications (1)

Publication Number Publication Date
WO2009135617A1 true WO2009135617A1 (fr) 2009-11-12

Family

ID=39628662

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/003121 Ceased WO2009135617A1 (fr) 2008-05-06 2009-04-30 Chaise comportant un dossier pivotant

Country Status (3)

Country Link
AT (1) AT508427B1 (fr)
DE (2) DE202008006179U1 (fr)
WO (1) WO2009135617A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023151255A1 (fr) * 2022-02-08 2023-08-17 深圳市西昊智能家具有限公司 Appareil de support de taille et chaise

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008016261U1 (de) 2008-12-09 2009-02-26 Design Ballendat Gmbh Stuhl mit verlagerbarer Rückenlehne
DE202008016260U1 (de) 2008-12-09 2009-02-26 Design Ballendat Gmbh Stuhl mit schwenkbarer Rückenlehne
CN110150890B (zh) * 2019-05-23 2024-02-02 颐维医疗器械（上海）有限公司 多档位支撑调节机构以及可调式坐具
DE102019122164A1 (de) 2019-08-19 2021-02-25 Viasit Bürositzmöbel Gmbh Stuhl

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034183A1 (de) * 1979-11-14 1981-05-21 Drabert Söhne Minden (Westf.), 4950 Minden Stuhl
DE3033953A1 (de) * 1979-11-14 1981-05-21 Drabert Söhne Minden (Westf.), 4950 Minden Stuhl, insbesondere fuer die bedienung von datensichtgeraeten
US6027169A (en) * 1996-05-09 2000-02-22 Haworth, Inc. Forward-rearward tilt control for chair
EP1563766A1 (fr) * 2004-02-13 2005-08-17 Interstuhl Büromöbel GmbH & Co. KG Chaise, notamment chaise de bureau
DE102006016521A1 (de) * 2006-04-07 2007-10-11 Hukla Möbel GmbH Sitzmöbel mit beweglichem Rückenlehnenteil
EP1908374A1 (fr) * 2006-10-06 2008-04-09 Stoll Giroflex AG Chaise de bureau synchrone
DE202008016261U1 (de) * 2008-12-09 2009-02-26 Design Ballendat Gmbh Stuhl mit verlagerbarer Rückenlehne

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034183A1 (de) * 1979-11-14 1981-05-21 Drabert Söhne Minden (Westf.), 4950 Minden Stuhl
DE3033953A1 (de) * 1979-11-14 1981-05-21 Drabert Söhne Minden (Westf.), 4950 Minden Stuhl, insbesondere fuer die bedienung von datensichtgeraeten
US6027169A (en) * 1996-05-09 2000-02-22 Haworth, Inc. Forward-rearward tilt control for chair
EP1563766A1 (fr) * 2004-02-13 2005-08-17 Interstuhl Büromöbel GmbH & Co. KG Chaise, notamment chaise de bureau
DE102006016521A1 (de) * 2006-04-07 2007-10-11 Hukla Möbel GmbH Sitzmöbel mit beweglichem Rückenlehnenteil
EP1908374A1 (fr) * 2006-10-06 2008-04-09 Stoll Giroflex AG Chaise de bureau synchrone
DE202008016261U1 (de) * 2008-12-09 2009-02-26 Design Ballendat Gmbh Stuhl mit verlagerbarer Rückenlehne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023151255A1 (fr) * 2022-02-08 2023-08-17 深圳市西昊智能家具有限公司 Appareil de support de taille et chaise

Also Published As

Publication number Publication date
AT508427A3 (de) 2015-01-15
AT508427A2 (de) 2011-01-15
DE202008006179U1 (de) 2008-07-17
DE112009000789A5 (de) 2011-05-05
AT508427B1 (de) 2015-06-15

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