EP0680713B1 - Ruhestuhl - Google Patents

Ruhestuhl Download PDF

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Publication number
EP0680713B1
EP0680713B1 EP95200959A EP95200959A EP0680713B1 EP 0680713 B1 EP0680713 B1 EP 0680713B1 EP 95200959 A EP95200959 A EP 95200959A EP 95200959 A EP95200959 A EP 95200959A EP 0680713 B1 EP0680713 B1 EP 0680713B1
Authority
EP
European Patent Office
Prior art keywords
footrest
seat
chair according
relaxation chair
relaxation
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
EP95200959A
Other languages
English (en)
French (fr)
Other versions
EP0680713A1 (de
Inventor
Paul Josephus Andreas Verhaert
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.)
JORI, N.V.
Original Assignee
JORI NV
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 JORI NV filed Critical JORI NV
Publication of EP0680713A1 publication Critical patent/EP0680713A1/de
Application granted granted Critical
Publication of EP0680713B1 publication Critical patent/EP0680713B1/de
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
    • 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
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
    • 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
    • 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
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs

Definitions

  • the present invention concerns a socalled relaxation chair, in other words a chair which, as is known, is provided with a seat, a back and a footrest and which can be put from a sitting position into a reclined position.
  • the present invention concerns a mechanism for such a relaxation chair which can be put in the different positions in a continuous manner.
  • the seat is set in a fixed angle in relation to the supporting structure and the back and footrest are hinge-mounted to this seat, whereby a bar transmission forms an irregular parallel connection between the back and the footrest.
  • the known mechanisms are often difficult to operate.
  • the lever transmissions are selected such that they make it possible for an average person to tilt the chair in the required positions.
  • the length of the footrest is relatively short, since this length is limited by the distance between the seat to which it is linked and the floor upon which the chair is placed, one and other such that it is almost impossible for a normal person to let the feet rest on such a footrest.
  • a chair having a mechanism comprising a seat which is provided on a support via which the whole is fixed on a foot; hingemounted to this seat, on the one hand, a back, and on the other hand, a footrest; and bars which form a connection between the back and the footrest.
  • the tilting of the chair is obtained by means of a spindle driven by an electrical motor as a result of which the seat cannot be freely swung.
  • the back and the seat are connected directly to each other by the same hinge point, which hinge point also provides in a connection to the support.
  • Such connection is possible as the mechanism of US 3.142.509 is provided with drive means, however cannot be used in freely swinging mechanisms as no balance will be obtained.
  • EP 516.341 discloses a chair tilting mechanism with a fixed support, a backrest and a seat support, however without a footrest.
  • FR 2.618.657 discloses a chair with a backrest, a seat and a footrest, wereby the support is provided with quiding means and a fixed rotation point for the footrest. This construction is rather complex.
  • the present inventions aims a relaxation chair which systematically excludes the above-mentioned and other disadvantages of the known chairs.
  • the invention relates to a relaxation chair, having a mechanism comprising a seat which is provided on a support via which the whole is fixed on a foot; hingemounted to this seat, on the one hand, a back, and on the other hand, a footrest; bars which form a connection between the back and the footrest; characterised in that the seat is provided on the support in a freely swinging manner such that it can be moved by the user of the chair, and in that said mechanism further comprises transmission levers hingedly mounted between the back and the support, compensating springs between the seat and the footrest exerting a force by which the footrest is urged downwards, whereby said transmission levers and compensating springs provide in a balance, and flexible means provided between the seat and the footrest comprising an upholstery.
  • the footrest of the above-mentioned mechanism is extensible, to which end the footrest is formed of two parts which can be telescopically moved in relation to one another and whereby springs are provided between these parts which continuously try to move them apart.
  • the extension of the footrest will be limited first by the upholstery of the chair and/or by a foil of elastic material fixed to the mechanism.
  • Another special characteristic of the invention is the fact that the lever transmissions between the back and the support on which the seat is fixed in a swinging manner are determined such in combination with compensating springs provided between the seat and the footrest that the seat mechanism is almost always in balance in any position whatsoever.
  • the mechanism 1 mainly consists of a seat 2 which is fixed to a support 4 in a freely hinging manner which is fixed in turn to an actual foot support 5 which is for example designed such that such a chair can turn around pivot 6 of this foot support 5.
  • the back 8 To the rear end of the seat 2 is fixed, via a pivot 7, in a freely hinging manner, the back 8, whereas to the front end of the seat 2, via a pivot 9, in a freely hinging manner, is fixed the footrest 10.
  • the back support 8 is provided, at the height of its hinge point 7, with a forwardly directed protrusion 11 which so to say forms a lever and which, at its free end, is connected in a freely hinging manner, via a pivot 12, to the lever 13 which is connected in a freely hinging manner at its other end, via a pivot 14, to the support 4.
  • the back 8 is connected in a freely hinging manner tot the footrest 10 by means of bent bars 15 and pivots 16-17.
  • the footrest 10 consists of a first part 18 which is connected by means of draw springs 19 to the seat 2 and of a second part 20 which can be moved in a restricted manner in relation to the part 18, whereby this movement is controlled by springs 21 on the one hand, provided between the parts 18 and 20, and for example by the upholstery 22 of the chair on the other hand.
  • the chair mechanism When a person is seated in the chair in the position as represented in figure 1, the chair mechanism will be in balance thanks to the cooperation of the levers formed between the hinge points 12-13, 12-14 and 14-3 on the one hand, and the tensile force exerted by the draw springs 19 on the other hand.
  • the upholstery 22 makes sure, in this position, that the part 20 of the footrest 10, against the action of the springs 21, is maintained in the slid-in position.
  • FIG. 1 A preferred embodiment of a chair mechanism according to figures 1 to 3 is described in figures 4 to 10.
  • the seat 2 is formed as it were of two sides 24-25 which show outwardly directed parts 26-27 at the top which form the supports onto which the actual armrests can be fixed.
  • the sides 24-25 are connected to one another by means of a solid, bent tube 28.
  • Hingeable in 3 is provided a bent cross-plate 29 with the sides 24-25 which has a central attachment 30 with which this plate is connected to the above-mentioned foot 5, preferably in a rotatable manner.
  • the seat 8 is in this case formed of a U-shaped, tubular frame 31 in between which can be provided springy means which are not represented, whereby this frame 31 is connected in a removable manner at the bottom to a transversally directed plate 32 which has bent parts at its ends which form the above-mentioned protrusions 11 with which the levers 13 are fixed via pivots 12 itself.
  • At least one of the bent bars 15 shows a downwardly directed widening 33 in which is provided a bent groove 34, whereby a bar 35 passes through this groove which is screwed in a plate 36 which is fixed, for example by means of welding, to the side 24 or 25 concerned and whereby the free end of the bar 35 is provided with suitable press-on means which, when turned, draw the bar 15 against the plate 36, loosen it respectively, in order to lock the mechanism in a certain position, free it respectively, by changing the friction between the plate 36 and the bar 15.
  • the parts 18 and 20 of the footrest 10 are formed in this case of a square tube, save for the side parts 37 of the part 20 which are made as a U-profile, one and other such that guides 38-39 which are provided on the sides of the part 18 can be shifted in these side parts 37.
  • the springs 21 are provided around bars 40 which are fixed on the part 20, whereby these bars are provided with stops 41 at their free end which have as an aim to determine the maximum movement of the part 20 in relation to the part 18.
  • a foil (42) made of elastic synthetic material will also be provided onto such a mechanism, which can follow all the movements of the mechanism and which determines the final shape of the chair.
  • This foil will be fixed to the back 8 on the one hand and to the telescopic part 20 of the footrest 10 on the other hand.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Passenger Equipment (AREA)

Claims (13)

  1. Ruhesessel, der einen Mechanismus aufweist, der eine Sitzfläche (2) umfaßt, die auf einem Träger (4) angebracht ist, womit das Ganze auf einem Fuß (5) befestigt ist; an dieser Sitzfläche (2), scharnierbeweglich montiert, einerseits eine Rückenlehne (8) und andererseits eine Fußstütze (10); Stangen (15), die eine Verbindung zwischen der Rückenlehne (8) und der Fußstütze (10) bilden; dadurch gekennzeichnet, daß die Sitzfläche (2) frei schwingend auf dem Träger (4) vorgesehen ist, so daß sie vom Benutzer des Sessels bewegt werden kann, und daß besagter Mechanismus weiter Übersetzungshebel (11,13) umfaßt, die zwischen der Rückenlehne (8) und dem Träger (4) Scharnierbeweglich montiert sind, Ausgleichsfedern (19) zwischen der Sitzfläche (2) und der Fußstütze (10), welche eine Kraft ausüben, mittels derer die Fußstütze (10) nach unten gezwungen wird, wobei besagte Übersetzungshebel (11,13) und Ausgleichsfedern (19) für ein Gleichgewicht sorgen, und zwischen der Sitzfläche (2) und der Fußstütze (10) vorgesehene flexible Mittel, die eine Polsterung umfassen.
  2. Ruhesessel gemäß Anspruch 1, dadurch gekennzeichnet, daß die Fußstütze (10) verlängerbar ist.
  3. Ruhesessel gemäß Anspruch 1, dadurch gekennzeichnet, daß die Rückenlehne (8) aus einem U-förmigen gebogenen Rohr (31) geformt ist, dessen untere Enden mittels einer Querplatte (32), die an ihrem Ende gebogene Vorsprünge (11) aufweist, verbunden sind.
  4. Ruhesessel gemäß Anspruch 1 oder 3, dadurch gekennzeichnet, daß die Vorsprünge (11) über die Hebel (13) frei schwingend mit dem oben erwähnten Träger (4) verbunden sind.
  5. Ruhesessel gemäß Anspruch 3 oder 4, dadurch gekennzeichnet, daß sowohl die Querplatte (32) als auch der Träger (4) aus Stahlblech gefertigt sind.
  6. Ruhesessel gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Fußstütze (10) aus zwei Teilen (18) beziehungsweise (20) geformt ist, die in Bezug zueinander teleskopartig bewegt werden können.
  7. Ruhesessel gemäß Anspruch 6, dadurch gekennzeichnet, daß zwischen den Teilen (18) und (20) der Fußstütze (10) Federn (21) vorgesehen sind, die kontinuierlich versuchen, diese Teile auseinanderzubewegen.
  8. Ruhesessel gemäß Anspruch 7, dadurch gekennzeichnet, daß die Federn (21) an Stangen (40) angebracht sind, die einerseits an dem Teil (20) befestigt sind und frei durch das Teil (18) passieren, wobei das freie Ende dieser Stangen mit einem Anschlag (41) versehen ist.
  9. Ruhesessel gemäß Anspruch 6, dadurch gekennzeichnet, daß die äußeren Seiten des Teils (18) der Fußstütze (10) mit Führungen (38-39) versehen sind, über die das Teil (20) der Fußstütze (10) bewegt werden kann.
  10. Ruhesessel gemäß Anspruch 1, dadurch gekennzeichnet, daß die Mittel, die zwischen der Sitzfläche (2) und der Fußstütze (10) vorgesehen sind und die eine erste Begrenzung für das Verlängern der Fußstütze (10) bilden können, aus der Polsterung (22) des Sitzes bestehen.
  11. Ruhesessel gemäß Anspruch 1, dadurch gekennzeichnet, daß die Mittel, die zwischen der Sitzfläche (2) und der Fußstütze (10) vorgesehen sind und die eine erste Begrenzung für das Verlängern der Fußstütze (10) bilden können, aus einer Folie aus elastischem Kunststoffmaterial bestehen, die gleichzeitig an der Rückenlehne (8) und dem Teil (20) der Fußstütze (10) befestigt ist.
  12. Ruhesessel gemäß Anspruch 1, dadurch gekennzeichnet, daß zumindest eine der gebogenen Stangen (15) mit einem Verriegelungsmechanismus zum Feststellen des Sessels in einer bestimmten Position versehen ist.
  13. Ruhesessel gemäß Anspruch 12, dadurch gekennzeichnet, daß die gebogene Stange (15), die mit einem Verriegelungsmechanismus versehen ist, eine Verbreiterung (33) aufweist, worin eine gebogene Nut (34) vorgesehen ist, wobei gegenüber dieser Nut an der betreffenden Seite (24) oder (25) der Sitzfläche (2) eine Platte (36) befestigt ist, womit eine drehbare Stange zusammenwirkt, die zum Ziel hat, die Reibung zwischen dieser Platte und der Stange (15) zu erhöhen, beziehungsweise zu verringern.
EP95200959A 1994-04-21 1995-04-15 Ruhestuhl Expired - Lifetime EP0680713B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9400414A BE1008373A3 (nl) 1994-04-21 1994-04-21 Mechanisme voor een relaxzetel.
BE9400414 1994-04-21

Publications (2)

Publication Number Publication Date
EP0680713A1 EP0680713A1 (de) 1995-11-08
EP0680713B1 true EP0680713B1 (de) 1999-03-10

Family

ID=3888115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95200959A Expired - Lifetime EP0680713B1 (de) 1994-04-21 1995-04-15 Ruhestuhl

Country Status (6)

Country Link
EP (1) EP0680713B1 (de)
BE (1) BE1008373A3 (de)
CA (1) CA2147415C (de)
DE (1) DE69508135T2 (de)
DK (1) DK0680713T3 (de)
ES (1) ES2131755T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909923A (en) * 1997-10-24 1999-06-08 Steelcase Inc. Chair with novel pivot mounts and method of assembly
IT1296483B1 (it) * 1997-11-21 1999-06-25 Compact S R L Poltrona motorizzata con struttura perfezionata
IT1296482B1 (it) * 1997-11-21 1999-06-25 Compact S R L Poltrona con poggiapiedi schienale, e seduta motorizzati.
US6231120B1 (en) * 1999-04-23 2001-05-15 L&P Property Management Company Reclining mechanism and furniture item
US6637813B2 (en) 1999-04-23 2003-10-28 L&P Property Management Company Reclining mechanism and furniture item having pusher mechanism
BE1015145A4 (nl) * 2002-10-14 2004-10-05 De Vroe Nv Mechanisme voor het uitklappen en uitschuiven van een extensiedeel, en zetel met een uitklapbare en uitschuifbare voetensteun met een dergelijk mechanisme.
CN1317146C (zh) * 2002-12-06 2007-05-23 戴贵柱 整体调节航空椅
DE602005015944D1 (de) * 2005-06-23 2009-09-24 Ciar Spa Entspannungsstuhl
ATE556623T1 (de) * 2010-02-10 2012-05-15 He Ko Gbr Sitz-/liegemöbelchassis
NO20111259A1 (no) * 2011-09-15 2013-03-18 Ccd As Anordning ved justerbar stol
CN107397364B (zh) * 2016-05-20 2023-06-02 永艺家具股份有限公司 用于休闲椅的阻尼调节机构
CN115251649B (zh) * 2022-09-15 2024-03-08 浙江奥尔卡机械科技股份有限公司 一种高翘脚电动沙发的电动调节结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142509A (en) * 1962-07-17 1964-07-28 Robert L Ehrke Adjustable chair
FR2618657A1 (fr) * 1987-07-27 1989-02-03 Benarous Emile Fauteuil de repos
IE66531B1 (en) * 1991-05-21 1996-01-24 Ashfield Eng Co Wexford Ltd A chair tilting mechanism

Also Published As

Publication number Publication date
DE69508135T2 (de) 1999-08-12
CA2147415A1 (en) 1995-10-22
DK0680713T3 (da) 1999-09-27
EP0680713A1 (de) 1995-11-08
ES2131755T3 (es) 1999-08-01
CA2147415C (en) 2003-07-08
DE69508135D1 (de) 1999-04-15
BE1008373A3 (nl) 1996-04-02

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