WO2023073601A1 - Agencement de siège ayant une surface de siège en deux parties - Google Patents

Agencement de siège ayant une surface de siège en deux parties Download PDF

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Publication number
WO2023073601A1
WO2023073601A1 PCT/IB2022/060327 IB2022060327W WO2023073601A1 WO 2023073601 A1 WO2023073601 A1 WO 2023073601A1 IB 2022060327 W IB2022060327 W IB 2022060327W WO 2023073601 A1 WO2023073601 A1 WO 2023073601A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
chamber
arrangement according
base body
seat arrangement
Prior art date
Application number
PCT/IB2022/060327
Other languages
German (de)
English (en)
Inventor
Sebastian PRIESTERSBERGER
Joachim KORNAUTH
Original Assignee
Priestersberger Sebastian
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
Priority claimed from EP21020533.2A external-priority patent/EP4173522A1/fr
Priority claimed from ATA175/2021A external-priority patent/AT525619A1/de
Application filed by Priestersberger Sebastian filed Critical Priestersberger Sebastian
Publication of WO2023073601A1 publication Critical patent/WO2023073601A1/fr

Links

Classifications

    • 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
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/142—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions by fluid means

Definitions

  • the present invention relates to a seat arrangement with a two-part seat surface, the seat surface being formed by a first dimensionally stable seat part and a second dimensionally stable seat part, and the first seat part and the second seat part are each connected to a common base body and are independent of the base body are pivotable up and down from each other and the use of such a seat assembly.
  • Such a seat arrangement is known, for example, from CA 2 304 603 A1.
  • the seat arrangement is arranged on a chair and consists of a two-part seat surface with two seat parts that can be pivoted about a hori zontal pivot axis in the front area of the seat surface.
  • the pivotability of the two seat parts about a hori zontal axis should bring an increase in comfort and advantages in terms of ergonomics, especially when sitting for a long time, in order to reduce postural damage and the associated health problems in people who work a lot sitting down.
  • a seat arrangement that uses simple means to create a coupled Displacement of the dimensionally stable seat parts in the sense of an upwards and downwards pivoting of the seat parts is made possible in order to encourage the user to move more while sitting.
  • a seat arrangement of the type mentioned at the beginning is characterized according to the invention in that a deformable chamber or several chambers that can be fluidically connected to one another for receiving a fluid, in particular for receiving ambient air, is arranged between the base body and the seat parts.
  • the seat parts that form the seating area for the user are arranged on at least one deformable chamber that contains a fluid, with the deformable shell of the deformable chamber preferably not being able to be stretched or being stretchable only to a very small extent, greater loading occurs one of the seat parts to displace the fluid located in the at least one chamber from the area of this seat part into the area of the other seat part, so that the latter is raised.
  • the two dimensionally stable seat parts are coupled via the at least one fluid-filled chamber in terms of mutual pivoting, so that a user is encouraged to tilt their hips to the side.
  • a chamber is to be understood as a flexible and essentially inextensible or only slightly extensible shell, which defines a corresponding cavity for accommodating a fluid and in particular for accommodating ambient air.
  • a low extensibility is defined in connection with the present invention in such a way that the volume of the at least one chamber in the closed state of the chamber can only be changed in the range of a maximum of 10%.
  • the chamber can be deformed due to its flexibility.
  • a chamber can also be referred to as a bladder or bellows.
  • a single chamber is provided, which is arranged between the base body and the two seat parts.
  • several chambers are provided, which are arranged between the base body and the two seat parts, the several chambers being fluidically connectable or connected to one another.
  • the chamber or chambers are preferably connected to the base body and optionally with the dimensionally stable seat parts such. B. locked .
  • a Velcro fastener on the base body and possibly on the seat parts can also be used to fasten the chamber(s).
  • the at least one chamber has a horizontal sectional area in an area facing away from the base body, which is reduced in comparison to a horizontal sectional area in an area facing the base body.
  • the at least one chamber is tapered at the top and thus in the area facing away from the base body or in the area facing the two dimensionally stable seat parts.
  • the seat arrangement preferably comprises at least one expansion element in order to bring the one or more chamber(s) into an expanded position when the load is relieved, with the expansion element preferably being provided by a preferably inside or outside of the j respective chamber arranged spring and / or the j eweile chamber is at least partially formed from filling, restoring foam core f.
  • both seat parts in order to discharge the fluid from the chamber, both seat parts must be loaded in order to compress the expansion element together with the chamber.
  • the chamber is expanded or pulled apart by the action of the at least one expansion element, so that air can be sucked in from the environment through a supply line. If the supply line is closed as a result, the seat arrangement according to the invention can be used immediately.
  • the seat arrangement according to the invention has a closable supply line for ambient air into the at least one chamber, the supply line preferably being closable by a non-return valve or a valve switch, as corresponds to a preferred embodiment of the present invention.
  • the fluid can be drawn into the chamber through the supply line by the action of the expansion element.
  • the prerequisite for this is, of course, that the fluid flow through the closable supply line by opening the valve switch or by opening the Check valve is released.
  • a valve switch it must be closed before the user loads the seat parts.
  • the supply line is automatically blocked by the action of the valve when the seat parts are loaded by the user.
  • the seat arrangement according to the invention is quickly ready for use.
  • the valve has to be opened and the seat parts have to be loaded, whereby the flow rate of the fluid that subsequently flows out can be limited by a disperser in order to ensure that the fluid is released slowly and quietly.
  • the height of the seat sections changes in unison, causing the angle adjustment of the seat sections in the extreme positions to amount to either a seat wedge cushion or, at the other extreme , equates to a backwards-leaning seat on an office chair.
  • a desired seat surface inclination can be set in a simple manner via the filling level of the chamber(s).
  • the at least one expansion element can be provided inside the respective chamber in the form of a spring or a foam core.
  • the expansion element can also be arranged outside of the at least one chamber.
  • the at least one expansion element is formed by a force accumulator acting on the respective seat part in the direction of upward pivoting. The expansion element the force accumulator thus has an effect the seat parts and pushes them upwards, whereby the at least one chamber is pulled apart if, as is provided here, the one or more chamber(s) are connected on the one hand to the base body and on the other hand to the respective seat part, e.g. B. materially connected, are .
  • the force accumulator can be formed, for example, by a torsion spring or a helical spring.
  • a preferred embodiment provides that an adjustable limiting element is provided to limit the upward pivoting in different end positions.
  • the position of the limiting element is decisive for the neutral position of the seat parts at a certain weight. A heavier user needs more air (and compresses more) than a lighter one, so set the limit higher accordingly. This means that the correct amount of air for a certain user weight can always be achieved with a simple adjustment.
  • a first deformable chamber is arranged between the first seat part and the base body and a second deformable chamber is arranged between the second seat part and the base body, wherein the first chamber and the second chamber can be brought into fluid communication with one another.
  • This preferred The embodiment provides a separate spring element in the form of a chamber for each seat part and thus for each half of the buttocks of a user, whereby the chamber is of different sizes with regard to its shape in the expanded state, with regard to the position, size and geometry of the areas Sectional surfaces can be optimized for the arrangement under the respective seat part.
  • the chamber can remain within the outline of the respective seat part, so that the gap between the two seat parts does not have to be bridged by the chamber.
  • the gap between the two seat parts does not have to be bridged by the chamber.
  • the fluid connection between the first chamber and the second chamber can be dampened and/or blocked by a blocking element.
  • the ability to lock the fluid connection between the first and second chambers eliminates the up and down and reciprocal tilting movement of the two rigid seat portions provided in accordance with the present invention when desired.
  • damping can also be provided by the blocking element, the tilting behavior of the dimensionally stable seat parts that can be swiveled up and down on the base body can be adjusted so that the mutual swiveling takes place slowly and sluggishly or more or less unbraked.
  • the ability to be damped is to be equated with the setting of the flow cross section of the fluid connection between the first and second chambers.
  • the setting of the flow cross section or the complete blocking of the flow can be done, for example, by a simple hose clamp. Accordingly, the user can adjust the seat arrangement according to his wishes and needs or completely prevent tilting by locking the locking element. Blocking the fluid connection also makes it possible, among other things, to adjust the seat parts to different heights from one another, for example in order to balance or train unevenly developed buttock muscles.
  • the first chamber and the second chamber can be filled with fluid through a three-way valve, as corresponds to a preferred embodiment of the present invention
  • At least one further chamber in particular two further chambers, between is arranged in the base body and the first and second chambers in a manner overlapping the first and second chambers, the at least one further chamber having a supply line for ambient air.
  • the at least one further chamber is arranged in a manner overlapping the first and second chamber below the first and second chamber, so that if the filling is different, the first and second chamber are mounted in a correspondingly raised or lowered position on the base body.
  • the at least one further chamber is preferably arranged in the rear area of the seat arrangement.
  • the at least one chamber or the plurality of chambers used in the present invention is exposed to significant stress during use of the seat assembly according to the present invention and it may be difficult under certain circumstances when the chambers are fully loaded when seated ensure the necessary longevity of the material of the chambers. It can therefore be advantageous to bring a respective spring into effect against the pivotability of the first seat part and the second seat part, as corresponds to a preferred embodiment of the present invention.
  • a spring in the form of a torsion spring is preferably brought into effect in each case between the first seat part and the second seat part.
  • the spring assigned to each seat part can absorb a large part of the weight force that results from the user sitting on the seat parts and transfer it to the base body.
  • the chamber or the chambers under the respective seat parts are used in this case only to the to accomplish mutual pivoting of the two dimensionally stable seat parts.
  • the forces acting on the casing material of the chamber or chambers are considerably reduced by the action of the springs, so that the overall longevity of the chambers is improved.
  • the spring assigned to each seat part can only be used to pull the at least one chamber apart when the dimensionally stable seat parts are relieved in order to fill the at least one chamber with fluid. The prerequisite for this is, of course, that the flow of fluid through the closable supply line is released by opening the valve switch or by opening the check valve.
  • the supply lines and all fluidic connection means can preferably be fixed to the base body, for example clamped.
  • the components of the fluid system may be mounted on the seat assembly in an exposed manner.
  • the present invention has been further developed according to a preferred embodiment that the first and the second seat part are covered by an elastic fabric in a manner spanning the first seat part and the second seat part.
  • the fabric thus covers the dimensionally stable seat parts and the gap between the two dimensionally stable seat parts, which means that hair, dander, dust, breadcrumbs and the like do not fall from above under the Seat parts can get .
  • the elastic fabric can also be easily removed and washed.
  • the seat arrangement preferably has means for detecting and evaluating movement data of the first and/or second seat part and/or data representing the pressure on the first and/or second seat part. This allows this data to be displayed, for example, in an application on a smartphone or a computer and can encourage the user of the seat arrangement according to the invention to adopt a more active sitting behavior.
  • the seat parts are driven to swivel and/or to vibrate.
  • This can be used with a corresponding control device to mobilize the hips or the lower back of a user or to encourage the user to move more.
  • the vibration is preferably realized by four vibration motors under the seat parts.
  • the seat parts can be heated and/or cooled in order to provide increased comfort when sitting with the seat arrangement according to the invention.
  • the dimensionally stable seat parts are preferably mounted on the base body by means of an axis of rotation. This offers a well-defined axis of rotation and free pivoting of the dimensionally stable seat parts.
  • the pivotability of the dimensionally stable seat parts can also be realized in that the dimensionally stable seat parts are formed in one piece with the base body.
  • the dimensionally stable seat parts protrude from the base body and are guided back over the base body.
  • the pivotability follows an imaginary pivot axis, which shifts slightly in the course of the pivoting.
  • the dimensionally stable seat parts are given further degrees of freedom of movement, which are largely eliminated when using a physical axis of rotation.
  • the dimensionally stable seat parts can also be moved to a certain extent in directions other than vertical pivotability, which is accompanied by torsion between the dimensionally stable seat parts and the base body.
  • a seat arrangement according to the invention as a kitchen chair, wheelchair seat, stadium seat or vehicle seat, in particular a car seat, airplane seat or train seat is provided.
  • FIG. 1 shows a perspective view of a seat arrangement according to the invention
  • FIG. 2 shows a side view of the seat arrangement from FIG. 1
  • FIG. 3 shows a plan view of the seat arrangement according to the present invention
  • Figure 6 an embodiment with only one chamber
  • Figure 7 an embodiment of the present invention with three chambers
  • Figure 8 an inventive configuration of the leads and locking elements of the present invention
  • Figure 9 a From an embodiment of the present invention, in which the dimensionally stable seat parts are formed in one piece with the base body
  • FIG. 10 shows a schematic side view of the seat arrangement according to the invention with the chambers tapering narrowly upwards, and FIG directed pivotability of a seat part is brought into effect.
  • a seat arrangement according to the invention is provided with the reference number 1 .
  • the seat arrangement 1 has a base body 2 and a two-part seat surface 3 .
  • the seat surface 3 in turn consists of a first dimensionally stable seat part 4 and a second dimensionally stable seat part 5, which seat parts 4 and 5 are each connected to the common base body 2 and can be pivoted upwards and downwards independently of one another in the direction of the double arrows 6 in relation to the base body 2 .
  • Reference numerals 7 and 8 designate a first and a second chamber, which are each arranged under the first and second seat parts 4 and 5 and thus between these seat parts 4 and 5 and the base body 2 .
  • the chambers 7 and 8 can be brought into fluid connection with one another.
  • FIG. 2 and the other figures the same or corresponding elements of the seat arrangement 1 according to the invention are provided with the same reference symbols.
  • the second dimensionally stable seat part 5 and the base body 2 can be clearly seen.
  • the second chamber 8 is arranged between the second seat part 5 and the base body 2 and in this way absorbs a force acting on the seat part 5 from above according to the arrow 9 by compressing the fluid located in the chamber 8 .
  • With 10 recesses in the body 2 are referred to, for example, rubber bands or the like can be hooked to the Seat arrangement 1 according to the invention to be fixed on an armchair, an office chair or also on a vehicle seat.
  • the reference character 11 designates an actuator for a blocking element such as a valve switch, which is associated with a supply line for ambient air to the chambers 8 and 9 .
  • FIG. 3 Viewing the seat arrangement 1 according to the invention from above according to FIG. 3 shows that the seat parts 4 and 5 leave a gap 12 between them, with the chambers 7 and 8 not protruding into this gap 12 .
  • Axis of rotation for pivoting or tilting are provided with the reference sign 13 and it can be seen from Figure 3 that there is not necessarily a continuous axis of rotation for both seat parts 4 and 5, but that the axes of rotation for seat parts 4 and 5 in are at an angle to each other and are realized by two separate rotating shafts.
  • FIG. 4 again shows the two chambers 7 and 8 between the base body 2 and the seat parts 4 and 5 .
  • Seat parts 4 and 5 rest on chambers 7 and 8 . If, for example, the first seat part 4 is heavily loaded in the direction of arrow 14 and the second seat part 5 is simultaneously relieved in the direction of arrow 15, the second seat part 5 is moved in the direction of of the arrow 15 raised. Overall, this results in a tilting of the hips of a user who is sitting on the seat surface 3 .
  • a check valve 19 can be arranged downstream of the actuating element 11 in order to facilitate the filling of the chambers 7 and 8 with fluid or ambient air. Instead of the check valve 19, a valve switch can also be provided at this point.
  • FIG. 6 shows an embodiment of the present invention in which only one chamber 20 is provided for insertion between the seat parts 4 and 5 and the base body 2 .
  • the chamber 20 has a constriction 21, so that the chamber 20 behaves very similarly to two separate chambers which have been designated by the reference symbols 7 and 8 in the figures described so far.
  • FIG. 7 A variant of the present invention is now shown in FIG.
  • the chambers 7 and 8 can be raised independently of their degree of filling in order to raise the seat parts 4 and 5 accordingly.
  • FIG. 8 now shows various options for installing blocking elements and valves for filling the chambers 7 and 8 or for influencing the fluid connection between the chambers 7 and 8.
  • a simple line 16 between the two Chambers 7 and 8 may be provided in order to produce the fluid connection between the chambers 7 and 8.
  • the line 16 can be blocked and/or dampened with a blocking element 17 .
  • the line 16 can be connected via a three-way valve 23 to a feed line 18, at the end of which a check valve 19 is in turn arranged.
  • FIG. 9 shows an alternative embodiment of the present invention, in which the two seat parts 4 and 5 are not fixed to the base body 2 by means of an axis of rotation 13, but cantilever from it and are guided backwards over the base body 2.
  • the seat parts 4 and 5 are formed by the base body 2 and, in addition to the pivotability around the horizontal indicated by the double arrow 6, there are further degrees of freedom for the movement of the seat parts 4 and 5, which are indicated by the double arrows 24 and 25.
  • FIG. 10 shows a chamber 8 which has a reduced sectional area in a horizontal sectional plane A-A facing away from the base body 2 compared to a horizontal sectional plane BB in an area facing the base body 2 .
  • the chamber 8 has an expansion element 26 in its interior 8a in order to bring the chamber 8 into an expanded position when the pressure is relieved.
  • the expansion element 26 is formed by a spring in the example shown in FIG.
  • Reference number 27 designates a spring which is brought into effect against the pivotability of the second seat part.
  • the spring 27 can here much of the weight force acting through the on the
  • FIG. 11 also shows a spiral spring 26a, which can be activated as an alternative or in addition to spring 26 and/or 27 in order to support the expansion of chambers 7 and 8 or to relieve chambers 7 and 8 during use .
  • An adjustable limiting element 28 can optionally be provided, which prevents the seat parts 4 or 4 from pivoting upwards. 5 and thus the expansion of the chamber 8 can limit.
  • a limiting element can also be designed in the form of retaining straps which connect the base body 2 to the seat parts 4 and 5 and which are adjustable in length.

Landscapes

  • Seats For Vehicles (AREA)

Abstract

Dans un agencement de siège (1) ayant une surface de siège en deux parties (3), la surface de siège (3) est formée par une première partie de siège dimensionnellement stable (4) et une seconde partie de siège dimensionnellement stable (5) et la première partie de siège (4) et la seconde partie de siège (5) sont chacun reliées à un corps principal commun (2) et peuvent pivoter vers le haut et vers le bas, indépendamment l'une de l'autre, par rapport au corps principal (2), une chambre déformable, ou une pluralité de chambres pouvant être interconnectées de manière fluidique (7, 8, 20, 22), pour recevoir un fluide, en particulier pour recevoir de l'air ambiant, est disposée entre le corps principal (2) et les parties de siège (4, 5).
PCT/IB2022/060327 2021-10-29 2022-10-27 Agencement de siège ayant une surface de siège en deux parties WO2023073601A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA175/2021 2021-10-29
EP21020533.2A EP4173522A1 (fr) 2021-10-29 2021-10-29 Agencement de siège
EP21020533.2 2021-10-29
ATA175/2021A AT525619A1 (de) 2021-10-29 2021-10-29 Sitzanordnung

Publications (1)

Publication Number Publication Date
WO2023073601A1 true WO2023073601A1 (fr) 2023-05-04

Family

ID=84053238

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/060327 WO2023073601A1 (fr) 2021-10-29 2022-10-27 Agencement de siège ayant une surface de siège en deux parties

Country Status (1)

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WO (1) WO2023073601A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2304603A1 (fr) 1997-09-30 1999-04-08 Dual Seat Technologies, Inc. Siege mobile a deux plates-formes
US20050179293A1 (en) * 2002-10-29 2005-08-18 Wilcox Jeffrey S. Seat suspension
WO2008078865A1 (fr) * 2006-12-22 2008-07-03 Jong Keun Park Planche d'assise pour chaise
US20140028067A1 (en) * 2012-07-30 2014-01-30 Veycle Design Co., Ltd. Seat pad adjustable chair
KR101450600B1 (ko) * 2014-02-11 2014-10-15 (주) 아모스아인스가구 듀얼시트 의자
WO2017010728A1 (fr) * 2015-07-14 2017-01-19 주식회사 메드릭스 Ensemble chaise ayant une fonction de correction de posture
US20210106144A1 (en) * 2017-03-24 2021-04-15 Comfort Concepts Pty Limited Improved seating cushion

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2304603A1 (fr) 1997-09-30 1999-04-08 Dual Seat Technologies, Inc. Siege mobile a deux plates-formes
US20050179293A1 (en) * 2002-10-29 2005-08-18 Wilcox Jeffrey S. Seat suspension
WO2008078865A1 (fr) * 2006-12-22 2008-07-03 Jong Keun Park Planche d'assise pour chaise
US20140028067A1 (en) * 2012-07-30 2014-01-30 Veycle Design Co., Ltd. Seat pad adjustable chair
KR101450600B1 (ko) * 2014-02-11 2014-10-15 (주) 아모스아인스가구 듀얼시트 의자
WO2017010728A1 (fr) * 2015-07-14 2017-01-19 주식회사 메드릭스 Ensemble chaise ayant une fonction de correction de posture
US20210106144A1 (en) * 2017-03-24 2021-04-15 Comfort Concepts Pty Limited Improved seating cushion

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