EP2792275B1 - Reclining chair - Google Patents
Reclining chair Download PDFInfo
- 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
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- 239000002184 metal Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
- A47C1/03211—Reclining 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
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- 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
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
- A47C1/03216—Reclining 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/28—Folding chairs with flexible coverings for the seat or back elements
- A47C4/32—Folding chairs with flexible coverings for the seat or back elements having a frame made of wood or plastics
- A47C4/34—Folding 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
- A47C4/38—Folding 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
- A47C4/40—Folding 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/28—Folding chairs with flexible coverings for the seat or back elements
- A47C4/42—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal
- A47C4/44—Folding chairs with flexible coverings for the seat or back elements having a frame made of metal with legs pivotably connected to seat or underframe
- A47C4/48—Folding 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
- A47C4/50—Folding 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.
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- 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)
Description
Die Erfindung betrifft einen Lehnstuhl gemäss Oberbegriff des Anspruchs 1.The invention relates to a reclining chair according to the preamble of claim 1.
Aus dem Stand der Technik sind Lehnstühle bekannt, deren Rückenlehne aus einer Sitzposition in eine Ruheposition überführbar sind. Die dafür vorgesehene Mechanik ist zumeist sehr aufwendig gestaltet und dementsprechend teuer in der Herstellung.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.
In der
Bei dem in der
Aufgabe der vorliegenden Erfindung ist es daher einen Lehnstuhl vorzuschlagen, welcher durch eine einfache Mechanik eine komfortable Verstellung der Rückenlehne ermöglichst.Object of the present invention is therefore to propose an armchair, which allows a simple adjustment of the backrest by a simple mechanism.
Erfindungsgemäss wird die Aufgabe bei einer Vorrichtung gemäss Anspruch 1 dadurch gelöst, dass das zweite Ende der Sitzfläche am ersten Tragelement verstellbar gehalten ist. Das Verstellen des zweiten Endes der Sitzfläche entlang des ersten Tragelements ermöglicht, das der Winkel, welchen die beiden Tragelemente einschliessen verstellbar ist. Diese Verstellbarkeit bewirkt, dass die Neigung der Rückenlehne verstellbar ist, welche an dem ersten Tragelement festgelegt ist. Die Verstellbare Halterung kann durch ein Einrasten der Sitzfläche in verschiedenen Rasterungen an dem ersten Tragelement erfolgen oder durch stufenlose Führung der Sitzfläche entlang einer an dem ersten Tragelement angeordneten Schiene. Denkbar wäre auch, dass die Schiene an der Sitzfläche angeordnet ist.According to the invention 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.
In einer besonders bevorzugten Ausführungsform ist das zweite Ende der Sitzfläche entlang einer Führungsbahn stufenlos verschiebbar am ersten Tragelement angeordnet. Diese Umsetzung der Verschiebbarkeit hat den Vorteil, dass die Rückenlehne stufenlos einstellbar ist und die gewünschte Lehnenposition genau einstellbar ist. Die Führungsbahn ist bevorzugt linear kann jedoch auch gekrümmt ausgeführt sein, um eine spezielle Position der Sitzfläche zur Rückenlehne in jeder Lehnenposition zu ermöglichen. Die Lehnenposition ist durch zwei Endposition begrenzt. Einerseits eine Position, in der die Rückenlehne ganz aufgestellt ist und andererseits eine Position in der die Rückenlehne möglichst flach eingestellt ist. Die Endpositionen werden durch die Länge der Führungsbahn bestimmt.In a particularly preferred embodiment, 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.
Zweckmässigerweise ist das zweite Ende der Sitzfläche durch wenigstens eine Führungsstrebe gebildet, welche in einer linearen Führungskulisse an dem ersten Tragelement geführt ist. Die Führungsstrebe ist schmal ausgebildet und kann an der Rückenlehne seitlich vorbeigeführt werden. Dadurch behindern sich Sitzfläche und Rückenlehne an ihrem Übergang während der Rückenlehnenverstellung nicht. Bevorzugt sind zwei Führungsstreben, welche links und rechts an der Rückenlehne vorbeiführen, um eine symmetrische Halterung der Sitzfläche zu ermöglichen.Conveniently, 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. As a result, 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.
In einer weiteren bevorzugten Ausführungsform sind das erste und zweite Tragelement durch ein arretierbares Verstellelement relativ zueinander feststellbar. Das Verstellelement ermöglicht, dass keine weiteren Halte- oder Rastvorrichtungen vorhanden sein müssen, um die beiden Trageelemente aneinander zu halten. Das Verstellelement übernimmt daher die Aufgabe den Winkel der beiden Tragelemente relativ zueinander zu verstellen und nach der Verstellung die beiden Tragelemente in dieser Position zu halten.In a further preferred embodiment, 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.
Als vorteilhaft erweist es sich, wenn das Verstellelement durch einen Seilzug arretierbar ist. Dadurch kann das Verstellelement fernbedient werden, ohne dass sich der Benutzer aus dem Lehnstuhl erheben muss.It proves to be advantageous if 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.
Zweckmässigerweise ist der Seilzug mit einem Stellhebel verbunden, damit der Benutzer den Seilzug einfach betätigen kann. Der Stellhebel besitzt eine Haltevorrichtung, um diesen an dem Lehnstuhl befestigen zu können und damit der Stellhebel während der Betätigung gegenüber dem Lehnstuhl abgestützt ist.Conveniently, 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.
Es versteht sich, dass es vorteilhaft ist, wenn der Stellhebel in Griffweite eines Benutzers an dem Lehnstuhl angeordnet ist, um das Verstellhebel aus der Sitz- bzw. der Liegeposition heraus bedienbar zu machen.It is understood that it is advantageous if 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.
Erfindungsgemäss ist das Verstellelement eine Gasdruckfeder, eine optional motorisch angetriebene Spindel oder eine Spiralfeder. Von Vorteil ist es, wenn die Stellkraft des Verstellelements unabhängig von seiner Länge ist. Gasdruckfedern erfüllen diese Anforderung, sind zuverlässig und günstig und sind deshalb das bevorzugte Stellelement.According to the invention, 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.
Der Lehnstuhl umfasst mit Vorteil Armlehnen, welche mit ihren ersten Enden gelenkig an der Sitzfläche und mit ihren zweiten Enden gelenkig an dem ersten Tragelement angeordnet sind. Die Gelenke ermöglichen es, dass die Armlehnen die Herstellbarkeit der Rückenlehne nicht beeinträchtigen.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.
In einem weiteren bevorzugten Ausführungsbeispiel umfaßt das zweite Tragelement an seinem von der Sitzfläche abgewandten Ende einen Wippfortsatz. Der Wippfortsatz lässt sich als eine Art von Kufen beschreiben, welche eine Verlängerung des ersten Tragelements sind. Die Kufen sind dabei nach innen in Richtung der Rückenlehne abgewinkelt. Verlagert der Benutzer in der Position, in der die Rückenlehne ganz nach unten verstellt ist, nach hinten so kommt der Lehnstuhl auf den Kufen zu liegen und das vordere Ende des zweiten Tragelements wird angehoben. Der Lehnstuhl kann so als eine Art Schaukelstuhl abgesehen werden, da er sich auf den Wippfortsatz nach vorne und hinten wippen lässt.In a further preferred embodiment, 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.
Zweckmässigerweise ist an dem von Rückenlehne abgewandten Ende des ersten Tragelements wenigstens eine Rolle angeordnet. Dadurch lässt sich das Scherenelement besonders einfach zusammen- und auseinanderbewegen, da an dem ersten Tragelement nur ein Rollwiderstand und kein Reibwiderstand anliegt. Auch schont die Rolle den Untergrund, auf dem der erfindungsgemässe Lehnstuhls steht.Expediently, at least one roller is arranged on the end of the first support element facing away from the backrest. As a result, 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.
Dadurch, dass das erste Tragelement im Bereich seines Endes, welches der Rückenlehne zugewandt ist, vorteilhaft abgewinkelt ist, entsteht ein ergonomischer für den Benutzer angenehmer Übergang zwischen Sitzfläche und Rückenlehne.Characterized in that 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.
In einem weiteren bevorzugten Ausführungsbeispiel ist das erste und zweite Tragelement jeweils durch ein Paar von Haltestreben gebildet ist, welche ihrerseits durch Querstreben voneinander beabstandet sind. Dadurch entsteht eine stabile und einfach aufgebaute Scherenmechanik in Gestalt einer Leiterkonstruktion.In a further preferred embodiment, the 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.
Zweckmässigerweise sind die Haltestreben und Querstreben aus Holz hergestellt, da dieser Werkstoff im Möbelbaubereich bevorzugt ist und den für den erfindungsgemässen Lehnstuhl notwendige Festigkeit und Stabilität aufweist.Conveniently, 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.
Erfindungsgemäss ist das Verstellelement während der Gewichtsbelastung hervorgerufen durch einen Benutzer des Lehnstuhls verstellbar. Diese Eigenschaft ist für den Benutzer besonders komfortabel, da er die Sitz- bzw. Lehnenposition verstellen kann, ohne sich aus dem Lehnstuhl erheben zu müssen.According to the invention, 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.
Als vorteilhaft erweist es sich, wenn die Sitzfläche auf einem Halterahmen angeordnet ist, welcher Halterahmen die wenigstens eine Führungsstrebe umfasst. Da die Sitzfläche in der voll aufgestellten Lehnenposition nahezu das gesamte Körpergewicht des Benutzers zu fragen hat, ist die Sitzfläche aus Stabilitätsgründen durch einen Halterahmen verstärkt. Insbesondere die wenigstens eine Führungsstrebe ist stark belastet, da grosse Hebelkräfte auf sie wirken. Deshalb ist die Führungsstrebe als Teil des Halterahmens ausgebildet und der Halterahmen vorteilhaft aus Metall gefertigt.It proves to be advantageous if 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.
Weitere Vorteile und Merkmale ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels der Erfindung unter Bezugnahme auf die schematischen Darstellungen. Es zeigen in nicht massstabsgetreuer Darstellung:
- Figur 1:
- Seitenansicht eines erfindungsgemässen Lehnstuhls in einer ersten Sitzposition;
- Figur 2:
- Schnittdarstellung durch den Lehnstuhl gemäss
Figur 1 ; - Figur 3:
- Seitenansicht des Lehnstuhls aus
Figur 1 in einer zweiten Sitzposition; - Figur 4:
- Schnittdarstellung durch den Lehnstuhl gemäss
Figur 3 und - Figur 5:
- Ansicht einer Kulissenführung in Explosionsdarstellung.
- FIG. 1:
- Side view of an inventive armchair in a first sitting position;
- FIG. 2:
- Sectional view through the armchair according to
FIG. 1 ; - FIG. 3:
- Side view of the armchair
FIG. 1 in a second sitting position; - FIG. 4:
- Sectional view through the armchair according to
FIG. 3 and - FIG. 5:
- View of a slotted guide in exploded view.
Die Erfindung betrifft einen Lehnstuhl, welcher gesamthaft mit dem Bezugszeichen 11 bezeichnet ist. Der Lehnstuhl 11. umfasst ein Traggestell an welchem eine Sitzfläche 13 und eine Rückenlehne 15 gehalten ist. Das Traggestell ist in Gestalt einer Scherenmechanik 17 ausgebildet. Die Scherenmechanik 17 umfasst ein erstes und zweites Tragelement 19,21, welche ähnlich wie bei einem Liegestuhl funktionieren. Dazu sind das erste und das zweite Tragelement 19,21 kreuzförmig aneinander angeordnet und um einen Drehpunkt 23 aneinander gelenkig gehalten. Dazu sind Beschläge 25 vorgesehen, welche beispielsweise an dem ersten Trageelement 19 befestigt sind und einen ersten Zapfen 27 aufweisen, welcher in das zweite Tragelement 21 ragt (
Die Sitzfläche 13 ist auf einem unter der Sitzfläche 13 angeordneten Halterahmen 39 befestigt. Der Halterahmen 39 umfasst wenigstens eine Führungsstrebe 41, welche stufenlos verschiebbar an dem ersten Tragelement 19 bzw. der Haltestrebe 19a angeordnet ist. Das vordere Ende des Halterahmens 39 ist gelenkig mit dem zweiten Enden 35 verbunden. Diese Anlenkung des Halterahmens 39 an seinem vorderen und hinteren Ende ermöglicht ein Verschwenken des ersten Tragelements 19 mitsamt der Rückenlehne 15 um den Drehpunkt 23 relativ zum zweiten Tragelement 21, ohne dass diese Verschwankung durch den Halterahmen 39 blockiert werden würde. Damit der Halterahmen 39 gehalten ist und die Bewegung des ersten Tragelements 19 von der Führungsstrebe 41 nicht behindert wird, ist letztgenannte bevorzugt in einer linearen Führungskulisse 43 geführt (
Zur Positionierung des ersten Tragelements 19 relativ zum zweiten Tragelement 21 in einer Position zwischen den beiden Endpositionen ist ein Verstellelement vorgesehen. In dem gezeigten Ausführungsbeispiel ist das Verstellelement durch eine Gasdruckfeder 49 realisiert, wenngleich auch andere Verstellelemente wie eine (motorisch angetriebene) Spindel oder ein Federelement denkbar sind. Die Gäsdruckfeder 49 hält das erste und zweite Tragelement 19,21 in jeder beliebigen Position zwischen den beiden Endpositionen aneinander. Das Verstellelement beispielsweise in Gestalt der-Gasdruckfeder 49 ist mit seinen Enden an dem zweiten Ende 33 des ersten Tragelements und dem ersten Ende 31 des zweiten Tragelements gelenkig befestigt. Das Verstellelement 49 ist ein zweites Bauteil des Lehnstuhls 11, welches von der Führungsbahn bzw. der Führungskulisse 43 als ein erstes Bauteil separiert ist. Das Verstellelement ist von dem Benutzer des Lehnstuhls 11 während des Sitzens bedien- bzw. verstellbar.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. In the embodiment shown, the adjusting element is realized by a
Zum Lösen und Feststellen der Gasdruckfeder 49 dient ein Seilzug 50 (in den
Damit das erste Ende 29 des ersten Tragelements während des Verstellen der Rückenlehne 15 leicht am Boden entlanggleitet sind an diesem Ende Rollen 51 angeordnet. Optional ist der Lehnstuhl mit einer höhenverstellbaren Kopfstütze 52 ausgestattet. Optionale Armlehnen 53 sind wie aus dem Stand der Technik bekannt mit drei Gelenken ausgestattet, um die Verstellbarkeit der Rückenlehne 15 nicht zu beeinträchtigen.So that the
Der erfindungsgemässe Lehnstuhl funktioniert wie folgt: Zur Verstellung der Neigung der Rückenlehne 15 betätigt der Benutzter den Stellhebel 52. Die Gasdruckfeder ist nun entriegelt. Gibt der Benutzer keinen Druck auf die Rückenlehne 13 so drückt die Gasdruckfeder das erste Ende 31 und das zweite Ende 33 auseinander und die Rückenlehne wird aufgerichtet, bis die Endposition erreicht wird bei der der zweite Zapfen 45 an den oberen Rand der Führungskulisse 43 anschlägt. Wünscht der Benutzer eine Position vor dieser Endposition, so lässt er den Stellhebel 52 los und die Gasdruckfeder wird arretiert. So ist jede Position zwischen den beiden Endpositionen einstellbar. Ist die Gasdruckfeder 49 gelöst, so kann der Benutzer durch Druck auf die Rückenlehne den Winkel zwischen dem ersten und zweiten Trageelement vergrössern. Ist die gewünschte Position erreicht, so lässt sich die Gasdruckfeder 49 durch Loslassen des Stellhebels 52 arretieren. Bevorzugt aus der Endposition mit weit nach hinten gelegter Rückenlehne 15 lässt sich der Lehnstuhl noch in eine Wippposition überführen. Dafür das zweite Tragelement im Bereich des ersten Endes 31 nach oben aufgebogen und bildet einen Wippfortsatz 55. Durch Gewichtsverteilung kann der Benutzer den Lehnstuhl 11 dazu bringen nur mit dem Wippfortsatz 55 auf dem Untergrund aufzuliegen und die ersten Enden 29 anzuheben.The inventive reclining chair works as follows: To adjust the inclination of the
Der erfindungsgemässe Lehnstuhl lässt sich durch eine Scherenmechanik 17 in verschiedene Rückenlehnen-Positionen überführen und in der gewünschten Position fixieren. Dazu bedarf es keiner aufwendigen mechanischen Konstruktion, sondern vielmehr wird ein einfaches Scherenmechanikprinzip angewendet. Die Fixierung in der gewünschten Position erfolgt durch eine Gasdruckfeder 49, welche durch einen Seilzug 50 gesperrt werden kann und freigegeben werden kann.The inventive armchair can be converted by a
- 1111
- Lehnstuhlarmchair
- 1313
- Sitzflächeseat
- 1515
- Rückenlehnebackrest
- 1717
- Scherenmechanikscissor mechanism
- 19,19a,19b19,19a, 19b
- Erstes Tragelement, erste HaltestrebenFirst support element, first support struts
- 21,21a,21b21,21a, 21b
- Zweites Tragelement, zweite HaltestrebenSecond support element, second support struts
- 2323
- Drehpunktpivot point
- 2525
- Beschlagfitting
- 2727
- Erster ZapfenFirst pin
- 2929
- Erstes Ende des ersten TragelementsFirst end of the first support element
- 3131
- Erstes Ende des zweiten TragelementsFirst end of the second support element
- 3333
- Zweites Ende des ersten TragelementsSecond end of the first support element
- 3535
- Zweites Ende des zweiten TragelementsSecond end of the second support element
- 3737
- Querstrebencrossbars
- 3939
- Halterahmenholding frame
- 4141
- Führungsstrebeguide strut
- 4343
- Führungskulisseguide link
- 4545
- Zweiter ZapfenSecond pin
- 4747
- Distanzhalterspacer
- 4949
- GasdruckfederGas spring
- 5050
- Seilzugcable
- 5151
- Rollenroll
- 5252
- Stellhebellever
- 5353
- Armlehnearmrest
- 5454
- Kopfstützeheadrest
- 5555
- WippfortsatzWippfortsatz
Claims (14)
- Armchair (11) with- a carrying structure configured as harness mechanics (17) with- a first supporting element (19) and- a second supporting element (21) which is connected in an articulated manner about a pivot (23) with the first supporting element (19),- an adjustable backrest (15) that is fixed to the first supporting element (19),- a seating surface (13) that has a first end averted from the backrest (15) and a second end turned to the backrest (15), whereby the first end of the seating surface (13) is held in an articulated manner on the second supporting element and the second end of the seating surface (13) is adjustably held on the first supporting element (19) and- a lockable adjustment element (49) through which the first and the second supporting element (19, 21) are fixed relatively to each other,
characterized in that the adjustment element (49) is adjustable during the weight load, this being caused by a user of the armchair (11). - Armchair according to claim 1, characterized in that the second end of the seating surface (13) is placed on the first supporting element (19) by being continuously displaceable along a guideway (43).
- Armchair according to claim 1 or 2, characterized in that the second end of the seating surface (13) is formed by at least one guiding brace (41) that is guided in a linear guide bar (43) on the first supporting element.
- Armchair according to one of the claims 1 to 3, characterized in that the adjustment element (49) can be locked by a cable pull (50).
- Armchair according to claim 4, characterized in that the cable pull (50) is connected with a control lever (52).
- Armchair according to claim 5, characterized in that the control lever (52) is placed on the armchair (11) at gripping distance of a user.
- Armchair according to one of the claims 1 to 6, characterized in that the adjustment element is a gas pressure spring (49), an optionally motor driven spindle or a spiral spring.
- Armchair according to one of the claims 1 to 7, characterized in that the armchair (11) comprises armrests (53) that are placed with their first ends in an articulated manner on the seating surface (13) and with their second ends in an articulated manner on the first supporting element (19).
- Armchair according to one of the claims 1 to 8, characterized in that the second supporting element (21) comprises a rocking extension (55) at its end (31) averted from the seating surface.
- Armchair according to one of the claims 1 to 9, characterized in that at least one roller (51) is placed at the end (29) of the first supporting element (19) that is averted from the backrest (15).
- Armchair according to one of the claims 1 to 10, characterized in that the first supporting element (19) is bent in the area of its end (33) that is turned to the backrest (15).
- Armchair according to one of the claims 1 to 11, characterized in that the first and the second supporting element (19, 21) are formed respectively by a pair of retaining braces (19a, 19b, 21a, 21b) that in turn are spaced from each other by transverse struts (37).
- Armchair according to one of the claims 3 to 14, characterized in that the seating surface (13) is placed on a supporting frame (39), which supporting frame (39) comprises the at least one guiding strut (41).
- Armchair according to claim 13, characterized in that the supporting frame (39) is made of metal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00789/13A CH707927A1 (en) | 2013-04-18 | 2013-04-18 | Armchair. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2792275A1 EP2792275A1 (en) | 2014-10-22 |
EP2792275B1 true EP2792275B1 (en) | 2016-02-03 |
Family
ID=49263064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14165425.1A Not-in-force EP2792275B1 (en) | 2013-04-18 | 2014-04-22 | Reclining chair |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2792275B1 (en) |
CH (1) | CH707927A1 (en) |
Cited By (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110123053B (en) * | 2019-01-11 | 2022-05-31 | 申秀巧 | Retracting mechanism for sitting and lying device |
GB2612634A (en) * | 2021-11-08 | 2023-05-10 | Keryell Anita | A chair device |
DE102022125681A1 (en) | 2022-10-05 | 2024-04-11 | Amir Anvarovich Fatkullin | CHAIR |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US101628A (en) * | 1870-04-05 | Improved folding chair | ||
BE401555A (en) * | ||||
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 (en) * | 1976-10-01 | 1978-04-06 | Guenter Beltzig | Stacking chair with swivel back rest and seat - has movable fittings for automatically adapting back rest height to position of seat |
JPS5545804Y2 (en) * | 1976-11-04 | 1980-10-27 | ||
JPS59123456U (en) * | 1983-02-10 | 1984-08-20 | 株式会社シ−・エフ・アイ | folding chair |
DE10122946C1 (en) * | 2001-05-11 | 2003-01-30 | Armin Sander | Chair, especially office chair |
-
2013
- 2013-04-18 CH CH00789/13A patent/CH707927A1/en not_active Application Discontinuation
-
2014
- 2014-04-22 EP EP14165425.1A patent/EP2792275B1/en not_active Not-in-force
Cited By (1)
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 (en) | 2014-10-31 |
EP2792275A1 (en) | 2014-10-22 |
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