EP2792275B1 - Fauteuil inclinable - Google Patents

Fauteuil inclinable Download PDF

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Publication number
EP2792275B1
EP2792275B1 EP14165425.1A EP14165425A EP2792275B1 EP 2792275 B1 EP2792275 B1 EP 2792275B1 EP 14165425 A EP14165425 A EP 14165425A EP 2792275 B1 EP2792275 B1 EP 2792275B1
Authority
EP
European Patent Office
Prior art keywords
armchair
supporting element
backrest
armchair according
seating surface
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.)
Not-in-force
Application number
EP14165425.1A
Other languages
German (de)
English (en)
Other versions
EP2792275A1 (fr
Inventor
Rudolf Zwicky
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.)
Thergofit GmbH
Original Assignee
Thergofit 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 Thergofit GmbH filed Critical Thergofit GmbH
Publication of EP2792275A1 publication Critical patent/EP2792275A1/fr
Application granted granted Critical
Publication of EP2792275B1 publication Critical patent/EP2792275B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03211Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by electric motors
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03216Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by fluid means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C4/00Foldable, collapsible or dismountable chairs
    • A47C4/28Folding chairs with flexible coverings for the seat or back elements
    • A47C4/32Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics
    • A47C4/34Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/38Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs
    • A47C4/40Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs of adjustable type
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C4/00Foldable, collapsible or dismountable chairs
    • A47C4/28Folding chairs with flexible coverings for the seat or back elements
    • A47C4/42Folding chairs with flexible coverings for the seat or back elements having a frame made of metal
    • A47C4/44Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/48Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe with cross legs
    • A47C4/50Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe with cross legs of adjustable type

Definitions

  • the invention relates to a reclining chair according to the preamble of claim 1.
  • Armchairs are known from the prior art, the backrest can be transferred from a sitting position to a rest position.
  • the mechanism provided for this is usually designed very expensive and therefore expensive to manufacture.
  • the backrest is articulated on a backrest support to a seat support.
  • the seat of the office chair is movable.
  • the front portion of the seat is a sliding guide and the rear portion of the seat is connected via a seat link to the seat support.
  • a sliding guide of the seat is provided in the backrest support.
  • Object of the present invention is therefore to propose an armchair, which allows a simple adjustment of the backrest by a simple mechanism.
  • the object is achieved in a device according to claim 1, characterized in that the second end of the seat is adjustably held on the first support member.
  • the adjustment of the second end of the seat along the first support member allows the angle which the two support members include adjustable.
  • This adjustability causes the inclination of the backrest is adjustable, which is fixed to the first support member.
  • the adjustable holder can be effected by a latching of the seat in different grids on the first support member or by stepless guidance of the seat along a rail arranged on the first support member. It would also be conceivable that the rail is arranged on the seat.
  • the second end of the seat along a guide rail is arranged continuously displaceable on the first support member.
  • This implementation of the displaceability has the advantage that the backrest is infinitely adjustable and the desired backrest position is precisely adjustable.
  • the guideway is preferably linear but may also be curved to allow a specific position of the seat to the backrest in each backrest position.
  • the backrest position is limited by two end positions. On the one hand a position in which the backrest is completely set up and on the other hand, a position in which the backrest is set as flat as possible. The end positions are determined by the length of the guideway.
  • the second end of the seat is formed by at least one guide strut, which is guided in a linear guide slot on the first support member.
  • the guide strut is narrow and can be guided past the backrest laterally.
  • the seat and backrest do not obstruct at their transition during the backrest adjustment.
  • Preference is given to two guide struts, which lead past the left and right of the backrest to allow a symmetrical mounting of the seat.
  • the first and second support element can be fixed relative to one another by a lockable adjusting element.
  • the adjustment allows that no other holding or locking devices must be present to hold the two support elements together.
  • the adjusting element therefore assumes the task of the angle of the two support elements relative to each other to adjust and to hold after adjusting the two support elements in this position.
  • the adjusting element can be locked by a cable. As a result, the adjustment can be operated remotely, without the user must rise from the armchair.
  • the cable is connected to a lever so that the user can easily operate the cable.
  • the lever has a holding device to attach it to the armchair and so that the lever is supported during operation relative to the armchair.
  • the adjusting lever is arranged within the reach of a user on the armchair in order to make the adjusting lever operable out of the sitting or lying position.
  • the adjusting element is a gas spring, an optionally motor-driven spindle or a spiral spring. It is advantageous if the actuating force of the adjusting element is independent of its length. Gas springs fulfill this requirement, are reliable and cheap and are therefore the preferred actuator.
  • the armchair advantageously comprises armrests, which are arranged with their first ends hinged to the seat surface and with their second ends hinged to the first support member.
  • the joints make it possible that the armrests do not affect the manufacturability of the backrest.
  • the second support element comprises at its end facing away from the seat end a Wippfortsatz.
  • the Wippfortsatz can be described as a kind of runners, which are an extension of the first support member. The runners are angled inwards in the direction of the backrest. If the user moves backwards in the position in which the backrest is moved downwards, the armchair comes to rest on the runners and the front end of the second support element is raised.
  • the armchair can be considered as a kind of rocking chair, as it can be tilted forward and back on the rocker extension.
  • At least one roller is arranged on the end of the first support element facing away from the backrest.
  • the scissor element is particularly easy to move together and apart, as applied to the first support member only a rolling resistance and no frictional resistance. Also protects the role of the ground on which the inventive armchair stands.
  • the first support member in the region of its end, which faces the backrest is advantageously angled, creates an ergonomic for the user pleasant transition between the seat and backrest.
  • first and second support member is formed in each case by a pair of retaining struts, which in turn are spaced apart by transverse struts. This results in a stable and simply constructed scissors mechanism in the form of a ladder design.
  • the support struts and cross struts are made of wood, since this material is preferred in the furniture industry and has the necessary strength and stability for the inventive armchair.
  • the adjustment is caused during the weight load caused by a user of the armchair adjustable.
  • This feature is particularly convenient for the user, as he can adjust the seat or backrest position without having to rise from the armchair.
  • the seat is arranged on a holding frame, which holding frame comprises at least one guide strut. Since the seat in the fully established backrest position has to ask almost the entire body weight of the user, the seat is reinforced for stability reasons by a support frame. In particular, the at least one guide strut is heavily loaded, since large leverage forces act on it. Therefore, the guide strut is formed as part of the holding frame and the holding frame advantageously made of metal.
  • the invention relates to an armchair, which is designated overall by the reference numeral 11.
  • the armchair 11 comprises a support frame on which a seat 13 and a backrest 15 is held.
  • the support frame is designed in the form of a scissor mechanism 17.
  • the scissor mechanism 17 includes first and second support members 19, 21 which function similarly to a deck chair.
  • the first and the second support element 19,21 are arranged in a cross shape and held together about a pivot point 23 to each other.
  • fittings 25 are provided, which are fastened, for example, to the first support element 19 and have a first pin 27, which projects into the second support element 21 ( FIG. 5 ).
  • Both the first support element 19 and the second support element 19 have first ends 29, 31 and second ends 33, 35.
  • the first and second support members 19, 21 are each formed by a pair of first and second support struts 19a, 19b and 21a, 21b, respectively.
  • the support struts 19a, 19b and 21a, 21b are connected to each other by transverse struts 37 or spaced from each other.
  • the latter is preferably curved so that a rounded (back-friendly) transition between the seat surface 13 and the backrest 15 is made possible.
  • the seat surface 13 is mounted on a support frame 39 arranged below the seat surface 13.
  • the holding frame 39 comprises at least one guide strut 41, which is arranged to be infinitely displaceable on the first support element 19 or the holding strut 19a.
  • the front end of the holding frame 39 is pivotally connected to the second end 35. This articulation of the holding frame 39 at its front and rear end allows pivoting of the first support member 19 together with the backrest 15 about the pivot point 23 relative to the second support member 21, without this Verschwankung would be blocked by the support frame 39.
  • the latter is preferably guided in a linear guide slot 43 (FIG. FIG. 5 ).
  • the guide is a second pin 45, which is spaced by a spacer 47 from a further corresponding second pin. Between the second pin 45 and guide slot 43, a brass bearing 47 may be provided because brass has dry lubricating properties.
  • FIG. 5 shows that it is the fitting 25 and the guide slot 43 are furniture components, which are sunk in the first support struts 19,19b.
  • the first support element 19 is therefore pivotable continuously relative to the second support element 21 between a first end position and a second end position.
  • the first and second end positions are determined by the second pin 45 abutting the upper and lower ends of the guide slot 43, respectively.
  • the end positions can be predetermined.
  • an adjusting element For positioning of the first support member 19 relative to the second support member 21 in a position between the two end positions, an adjusting element is provided.
  • the adjusting element is realized by a gas pressure spring 49, although other adjusting elements such as a (motor-driven) spindle or a spring element are conceivable.
  • the Gästikfeder 49 holds the first and second support member 19,21 in any position between the two end positions together.
  • the adjusting element for example, in the form of the gas spring 49 is hinged at its ends to the second end 33 of the first support member and the first end 31 of the second support member.
  • the adjusting element 49 is a second component of the armchair 11, which is separated from the guide track or the guide slot 43 as a first component. The adjustment is operated by the user of the armchair 11 while sitting or adjustable.
  • a cable 50 (in the FIGS. 1 and 3 indicated that connects the gas spring 49 with a lever 52.
  • the adjusting lever 52 is positioned at a position of the armchair: which is easily accessible by the armchair user with one hand, preferably under the seat 13.
  • the armchair is equipped with a height-adjustable headrest 52.
  • Optional armrests 53 are equipped with three hinges as known from the prior art so as not to impair the adjustability of the backrest 15.
  • the inventive reclining chair works as follows: To adjust the inclination of the backrest 15, the user actuates the adjusting lever 52. The gas spring is now unlocked. If the user does not apply pressure to the backrest 13, the gas spring forces the first end 31 and the second end 33 apart and the backrest is raised until the end position is reached at which the second pin 45 abuts against the upper edge of the guide slot 43. If the user wants a position before this end position, he lets go of the lever 52 and the gas spring is locked. So every position between the two end positions is adjustable. If the gas spring 49 is released, the user can increase the angle between the first and second support element by pressure on the backrest. Once the desired position has been reached, the gas pressure spring 49 can be locked by releasing the adjusting lever 52.
  • the armchair can still be converted into a rocking position.
  • the user can bring the armchair 11 to rest only with the Wippfortsatz 55 on the ground and raise the first ends 29.
  • the inventive armchair can be converted by a scissors mechanism 17 in different backrest positions and fix in the desired position. This requires no elaborate mechanical construction, but rather a simple scissors mechanism is applied.
  • the fixation in the desired position by a gas spring 49, which can be locked by a cable 50 and can be released.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (14)

  1. Fauteuil (11) avec
    - un bâti porteur avec une configuration de mécanisme de pantographe (17) avec
    - un premier élément porteur (19) et
    - un second élément porteur (21) qui est relié de manière articulée au premier élément porteur (19) autour d'un pivot (23),
    - un dossier réglable (15) qui est fixé au premier élément porteur (1),
    - une surface d'assise (13), une première extrémité détournée du dossier (15) et une seconde extrémité tournée vers le dossier (15), la première extrémité de la surface d'assise (13) étant maintenue de manière articulée sur le second élément porteur et la seconde extrémité de la surface d'assise (13) étant maintenue de manière réglable sur le premier élément porteur (19) et
    - un élément de réglage blocable (49) par lequel le premier et le second élément porteur (19, 21) peuvent être fixés l'un par rapport à l'autre, caractérisé en ce que l'élément de réglage (49) est réglable pendant la sollicitation par le poids, ceci étant provoqué par un utilisateur du fauteuil (11).
  2. Fauteuil selon la revendication 1, caractérisé en ce que la seconde extrémité de la surface d'assise (13) est placée sur le premier élément (19) en étant déplaçable en continu le long d'une glissière (43).
  3. Fauteuil selon la revendication 1 ou 2, caractérisé en ce que la seconde extrémité de la surface d'assise (13) est formée par au moins une barre de guidage (41) qui est guidée dans une coulisse de guidage linéaire (43) sur le premier élément porteur.
  4. Fauteuil selon l'une des revendications 1 à 3, caractérisé en ce que l'élément de réglage (49) peut être bloqué par un câble (50).
  5. Fauteuil selon la revendication 4, caractérisé en ce que le câble (50) est relié à un levier de réglage (52).
  6. Fauteuil selon la revendication 5, caractérisé en ce que le levier de réglage (52) est placé sur le fauteuil (11) à portée de main d'un utilisateur.
  7. Fauteuil selon l'une des revendications 1 à 6, caractérisé en ce que l'élément de réglage est un ressort de compression à gaz (49), une broche entraînée en option par un moteur ou un ressort spiral.
  8. Fauteuil selon l'une des revendications 1 à 7, caractérisé en ce que le fauteuil (11) comprend des accoudoirs (53) qui sont placés avec leurs premières extrémités de manière articulée sur la surface d'assise (13) et avec leurs secondes extrémités de manière articulée sur le premier élément porteur (19).
  9. Fauteuil selon l'une des revendications 1 à 8, caractérisé en ce que le second élément porteur (21) comprend, à son extrémité (31) détournée de la surface d'assise, un prolongement basculant (55).
  10. Fauteuil selon l'une des revendications 1 à 9, caractérisé en ce qu'au moins un galet (51) est placé à l'extrémité (29) du premier élément porteur (19) qui est détournée du dossier (15).
  11. Fauteuil selon l'une des revendications 1 à 10, caractérisé en ce que le premier élément porteur (19) est coudé dans la zone de son extrémité (33) qui est tournée vers le dossier (15).
  12. Fauteuil selon l'une des revendications 1 à 11, caractérisé en ce que le premier et le second élément porteur (19, 21) est formé respectivement par une paire de barres de support (19a, 19b, 21a, 21b) qui, quant à elles, sont espacées l'une de l'autre par des barres transversales (37).
  13. Fauteuil selon l'une des revendications 3 à 14, caractérisé en ce que la surface d'assise (13) est placée sur un cadre de support (39), lequel cadre de support (39) comprend la barre de guidage qui existe au moins (41).
  14. Fauteuil selon la revendication 13, caractérisé en ce que le cadre de support (39) est fabriqué en métal.
EP14165425.1A 2013-04-18 2014-04-22 Fauteuil inclinable Not-in-force EP2792275B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00789/13A CH707927A1 (de) 2013-04-18 2013-04-18 Lehnstuhl.

Publications (2)

Publication Number Publication Date
EP2792275A1 EP2792275A1 (fr) 2014-10-22
EP2792275B1 true EP2792275B1 (fr) 2016-02-03

Family

ID=49263064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165425.1A Not-in-force EP2792275B1 (fr) 2013-04-18 2014-04-22 Fauteuil inclinable

Country Status (2)

Country Link
EP (1) EP2792275B1 (fr)
CH (1) CH707927A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11241097B2 (en) 2019-06-04 2022-02-08 Yeti Coolers, Llc Portable chair

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210095156U (zh) * 2019-01-11 2020-02-21 申秀巧 一种用于坐躺装置的收放机构
GB2612634A (en) * 2021-11-08 2023-05-10 Keryell Anita A chair device
DE102022125681A1 (de) 2022-10-05 2024-04-11 Amir Anvarovich Fatkullin Stuhl

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE401555A (fr) *
US101628A (en) * 1870-04-05 Improved folding chair
GB330977A (en) * 1929-03-22 1930-06-23 Ethel May Donald Improvements in chairs having foldable frames
US2708960A (en) * 1951-12-06 1955-05-24 Akwel Corp Foldable rocking chair
DE2644412A1 (de) * 1976-10-01 1978-04-06 Guenter Beltzig Stuhl, oder dergleich sitzmoebel
JPS5545804Y2 (fr) * 1976-11-04 1980-10-27
JPS59123456U (ja) * 1983-02-10 1984-08-20 株式会社シ−・エフ・アイ 折りたたみ椅子
DE10122946C1 (de) * 2001-05-11 2003-01-30 Armin Sander Stuhl, insbesondere Bürostuhl

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11241097B2 (en) 2019-06-04 2022-02-08 Yeti Coolers, Llc Portable chair

Also Published As

Publication number Publication date
CH707927A1 (de) 2014-10-31
EP2792275A1 (fr) 2014-10-22

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