EP2353451B1 - Haltungsvorrichtung für Stühle - Google Patents

Haltungsvorrichtung für Stühle Download PDF

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Publication number
EP2353451B1
EP2353451B1 EP20110152619 EP11152619A EP2353451B1 EP 2353451 B1 EP2353451 B1 EP 2353451B1 EP 20110152619 EP20110152619 EP 20110152619 EP 11152619 A EP11152619 A EP 11152619A EP 2353451 B1 EP2353451 B1 EP 2353451B1
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EP
European Patent Office
Prior art keywords
chair
posture
locking
support portion
screw
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
EP20110152619
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English (en)
French (fr)
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EP2353451A1 (de
Inventor
Ettore Dall'ara
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.)
Cantoni Trading Srl
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Cantoni Trading Srl
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Filing date
Publication date
Application filed by Cantoni Trading Srl filed Critical Cantoni Trading Srl
Publication of EP2353451A1 publication Critical patent/EP2353451A1/de
Application granted granted Critical
Publication of EP2353451B1 publication Critical patent/EP2353451B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Supports for the head or the back
    • A47C7/38—Supports for the head or the back for the head, e.g. detachable
    • A47C7/383—Detachable or loose head- or neck-supports, e.g. horse-shoe shaped

Definitions

  • the present invention concerns to a posture device for chairs.
  • the present invention is particularly studied to create a correct posture for make-up application, for example in film-making, photography or fashion modelling. However, this does not rule out its use on other fields as well.
  • US 1 576 915 A1 discloses a posture device for chairs according to the preamble of claim 1.
  • One of the general purposes of the present invention is to provide a sitting position that optimally satisfies the greatest number of the characteristics indicated above, preferably all.
  • a purpose of the present invention is to provide a sitting position that is comfortable for many hours without getting in the way of the work of the professional make-up artist.
  • Another general purpose of the present invention is to provide a posture device that is efficient and practical to use.
  • a further purpose of the present invention is to make a posture device that is cost-effective and easy to make.
  • a further purpose of the present invention is to provide a posture device that looks nice and is able to stay looking good over time.
  • a further purpose of the present invention is to provide a posture device able to be coupled with pre-existing chairs.
  • a further purpose of the present invention is to provide a posture chair that can easily be transported and is not very bulky.
  • a further purpose of the present invention is to provide a posture chair that is easy and cost-effective to make.
  • the invention concerns a posture device for chairs as defined in claim 1. Since the head of the person sitting down is the main part on which work is carried out, it is also the part that must be focussed upon for a correct positioning for work that is also comfortable.
  • the adjustment movement comprises at least one rotation movement and a sliding movement that are independent from one another, i.e. such that the first can occur also without the second taking place and vice-versa. In this way, advantageously, it is possible to obtain substantially any position of the head and/or to seat people of any height.
  • the rotation and sliding movement are locked or allowed through a single locking and unlocking device. This is particularly advantageous both for usefulness and for an easy construction.
  • the locking and unlocking device can preferably be actuated with a single hand.
  • a particularly preferred and simple example embodiment comprises a sliding guide and a rotation guide, where again for the sake of simplicity of construction and functional practicality preferably the sliding guide is guided in rotation by the rotation guide.
  • the sliding guide can comprise at least one part of the rotation guide.
  • the rotation guide comprises a pin and a hub rotating one with respect to the other and/or vice-versa, and the sliding guide comprises at least one portion made in a single piece with the pin or the hub.
  • the locking and unlocking device preferably comprises a pair of jaws that preferably acts on the support portion for the head and/or neck with the interposition of the sliding and rotation guides.
  • the jaws exert the locking action on the support portion for the head and/or neck when they are moved towards one another, or alternatively apart, the locking and unlocking device comprising a device for thrusting the jaws together or apart, preferably able to be actuated with a single hand.
  • the device for thrusting the jaws comprises a screw inserted in a nut, the screw or the nut are rotated through a lever device comprising a lever with a first operative position in which it is able to rotate setting the nut or the screw in rotation and a second operative position in which it is free to rotate independently from the nut and from the screw.
  • the screw can also act as rotation pin around which the support portion for the head and/or neck rotates when the locking and unlocking device is in an unlocked configuration.
  • the support portion for the head and/or neck for example comprises at least one guide shaft able to slide with respect to the jaws when the locking and unlocking device is in an unlocked configuration, the at least one guide shaft having a longitudinal slot in which the screw slides.
  • the screw has a portion, inserted in the longitudinal slot, with a smaller diameter than the width of said slot, and while it slides it is kept in a centred position with respect to the longitudinal slot by the sliding guide. Since the posture device is intended for use in a field where a great deal of importance is placed on beauty, this provision allows the screw not to slide on the guide shaft thus avoiding it from being ruined.
  • the guide shaft can thus be made from a high-quality material or with a high-quality finish, keeping its original appearance for a long time.
  • the anchoring portion in its preferred embodiments, can be coupled and decoupled with respect to a chair. This is particularly useful in the case in which the posture device is used with more than one chair, and/or with fold-up chairs, since it makes interchangeability and transportation easier. Of course, this does not rule out solutions in which the anchoring portion is removable with respect to the chair, for example in a fixed or mobile coupling, and in this last case solutions are liked in which the device, whilst being inseparable from the chair, can take up a first use position and a second transportation position.
  • the two guides with a single stiffening bar intended to face a back support portion of the chair.
  • the locking and unlocking device can thus be coupled with the stiffening bar on a side opposite a side intended to face the back support portion of the chair.
  • the stiffening bar is concave with a concavity such that its central portion in use is the farthest from the back support portion of the chair.
  • chair we mean a chair without a posture device according to the present invention
  • posture chair we mean a chair comprising such a device
  • a fold-up posture chair 1 is shown in its open configuration to receive a person.
  • the main support structure 5 and the posture device 10 can be separable, partially separable or inseparable, in any case by fold-up posture chair we mean the assembly of both.
  • the main support portion 5 comprises a frame 15 comprising two portions 17 and 18 joined together by a contact portion with the back 24 and by a seat 22. Both are at least partially deformable to allow passage from the open configuration of figures 1 and 2 , in which the frame portions 17 and 18 are the maximum distance apart, to a closed configuration (not illustrated) in which the frame portions 17 and 18 are the minimum distance apart or are in contact with one another, and vice-versa.
  • This is made possible, in the illustrated example, by the fact that the contact portion with the back 24 and the seat 22 for example comprise a fabric or a winding of cables.
  • the two frame portions 17 and 18 each comprise a rigid vertical shaft 42.
  • the shafts 42 are connected together by the fabric 24 making a support portion for the back 20 that is partially deformable although with a non-reclinable frame, i.e. fixed with respect to the main structure 5 when a person is sitting down.
  • the chair 1 can comprise a device on which to rest the feet 28 coupled with the frame 15.
  • the posture device 10 comprises an anchoring portion 30 to the frame 15 and a support portion for the head or neck 33 of a person sat on the chair 5.
  • the latter is reclinable with respect to the support portion for the back 20, and in particular it comprises an oscillation movement both in the frontward direction indicated by the arrow F and in the rearward direction indicated by the arrow P with respect to the chair 1.
  • the support portion for the head 33 also comprises a vertical sliding movement according to the direction V with respect to the chair 1.
  • the oscillation and sliding movements can be locked by a single locking and unlocking device 35 as will be described more clearly hereafter.
  • the posture device 10 and the main support structure 5 are totally separable.
  • the anchoring portion 30 comprises a pair of coupling guides 40 in which the shaft 42 of the frame 15 are slidably inserted.
  • the coupling guides 40 are joined together by a single stiffening bar 45 of substantially equal length to the width of the back support portion 20 and having a curved shape with the concavity facing the frontward direction F.
  • the distance between bar 45 and fabric 24 is at its maximum at the centre of the bar so that their contact is avoided, or limited, even when the fabric 24 is deformed by the weight of the person sitting down.
  • the locking and unlocking device 35 is positioned on the rear side 46 of the bar 45, which in use is located opposite the side facing the fabric 24.
  • the support portion for the head 33 comprises a guide shaft 37, coupled in a sliding and oscillating fashion with the locking and unlocking device 35, and a cushion 38 arranged at an end of the guide shaft 37.
  • a coupling guide 40 can be seen in detail, in particular it can be seen that it defines a cavity 50 for housing the relative shaft 42 (not shown).
  • the cavity 50 has two opposite ends 52 and 53, one being open for the passage of the shaft 42 and the other being obstructed by a closure element 55 intended to go into abutment on the free end of the shaft 42 inserted into the cavity.
  • a slot 58 connects together the two ends 52 and 53 to allow the passage of the fabric 24 (not shown) pulled tight between the shafts 42.
  • a view from below of a guide 40 is shown where it is highlighted that the slot 58 has a width L1 that is smaller than the width L2 of the cavity 50 behind it, being defined by two tabs 60 that prevent the shafts 42 from coming out at the side.
  • the locking and unlocking device 35 is shown in section.
  • it comprises a pair of jaws 65 projecting in the backward direction P from the stiffening bar 45 and clamped together, in the direction of the arrows G, through a thrusting device 43 comprising a screw 67, a nut 68 and a lever device 86 to screw the screw 67 into the nut 68.
  • the guide shaft 37 is inserted between the jaws 65 and is able to slide and oscillate with respect to them when they are in an unclamped configuration, or else it is locked when the jaws 65 are in a clamped configuration.
  • each jaw 65 comprises a first elastic portion 70, preferably metallic, on which the clamping force exerted by the screw 67 and by the nut 68 acts directly.
  • each jaw comprises a sliding guide 72, preferably made from teflon or another low friction coefficient material, arranged between the elastic portion 70 and the guide shaft 37.
  • the sliding guide 72 preferably, is U-shaped so as to allow the guide shaft 37 to slide just in a predetermined direction, as will be explained hereafter.
  • each jaw 65 comprises a rotation guide 74, arranged between the elastic portion 67 and the guide shaft 37.
  • a rotation guide 74 arranged between the elastic portion 67 and the guide shaft 37.
  • the rotation guide 74 comprises a pin 77 and a hub 74a.
  • the hub 74a can be in the form of a disc of teflon or another low friction coefficient material rotatably coupled with the sliding guide 72 and/or with the elastic portion 70.
  • the rotation guide 74 can comprise a hub 74a able to rotate around a pin consisting of the central portion 77 of the screw 67.
  • the hub 74a and the sliding guide 72 it is preferably for the hub 74a and the sliding guide 72 to be in a single piece.
  • the guide shaft 37 comprises a central slot 76 (also visible in fig 3 ) extending for part of its length, preferably its entire length, and in which the central portion 77 of the screw 67 slides.
  • the central slot 76 has a greater width than the diameter of the central portion 77 of the screw 67, however the guide shaft 37 has a very limited clearance thanks to the sliding guide 72 that keeps the screw 67 at the centre of the central slot 76.
  • the sliding guide 72 indeed, has holes 75 substantially of the same diameter as the screw portion 77 inserted in them - such portions 77 are preferably cylindrical and unthreaded so that the sliding guide 72 is guided in rotation.
  • the sliding guide 72 finally is U-shaped with lateral abutments 79 that prevent the relative movement between it and the guide shaft 37, thus also carrying out the aforementioned centring with respect to the screw 67.
  • the sliding guide 72 is made with a low friction coefficient material, it allows easy articulation of the guide shaft at the same time preventing the latter from becoming ruined by sliding on the screw. It is thus possible to make a guide shaft 37 with a high-quality and good-looking finish.
  • the jaws 65 exert a substantially uniform pressure on the guide shaft 37 on both sides of the central slot 76 through the sliding guide 72.
  • the guide shaft 37 has a rectangular section, however this does not rule out other types of section, such as a square section, a section according to another polygon, or round.
  • the guide shaft 37 is made by coupling two rectilinear elements 78 a predetermined distance apart, corresponding to the width of the slot 76, one or both of the elements 78 having their end coupled with the cushion 38.
  • the screw 67 comprises a first threaded end 80, coupled with the nut 68, and a second manoeuvring end 82.
  • the screw completely passes through the two jaws 65 passing into aligned holes 83 of the elastic portions 70, and into the holes 75 of the sliding guides 72 and of the hubs 74a and is of a length such that its ends 80 and 82 project out from the elastic portions 70.
  • the manoeuvring end 82 and the nut 68 have a greater diameter than the diameter of the holes 83, so that when the screw 67 is screwed into the nut 68 they thrust one jaw towards the other to carry out the clamping of the guide shaft 37.
  • the manoeuvring end 82 comprises a head 84 shaped for a shape coupling with a clamping tool comprising a lever device 86.
  • the lever device 86 comprises a lever 88 with a first operative position in which it is able to rotate setting the shaped head 84 of the screw in rotation, and a second operative position in which it is free to rotate independently from the screw 67.
  • the lever 88 comprises a shaped cavity 90 suitable for engaging the shaped head 84, and also the lever possesses a movement towards and away from the centre of the screw 67 along its rotation axis X.
  • lever 88 When the lever 88 is in the closest position it engages the shaped head 84, and when it is in the farthest position it is free to rotate with respect to the screw 67. Normally, a spring 92, or other elastic element, keeps the lever 88 in the operative position corresponding to the position closest to the screw 67.
  • the nut 68 is preferably coupled with the jaws 65 so as not to be able to rotate with respect to them, so as to be able to carry out the clamping with a single hand acting on the lever 88.
  • lever 88 can alternatively act with the same principle on the nut 68 while the screw 67 is kept fixed with respect to the jaws 65.
  • FIG 7 an locking and unlocking device 135 alternative to the locking and unlocking device 35 of figure 6 is illustrated.
  • the locking and unlocking device 135 differs from the previous one in that the guide shaft 137 oscillates around a different axis Y from the axis X of the screw 167. In this case, the guide shaft 137 does not need to have a slot for the sliding of the screw 167, and thus it is simpler to make.
  • the sliding and oscillation guides are unified in an single element 172 for each jaw 165, each comprising a pin portion 173 inserted into a hole 183 of the elastic portion 170 according to the rotation axis Y. The remaining parts are the same as those of the locking and unlocking device 35 of figure 6 .
  • the locking and unlocking device 435 inverts the direction of action of the jaws on the guide shaft with respect to the locking and unlocking device 35, indeed in this case there are two guide shafts 437 outside of the jaws 465 and the jaws are active on them with an outward thrusting action of the device instead of inwards.
  • the jaws 65 of figure 6 have a clamping action towards the inside of the device 35
  • the jaws 465 have a clamping action towards the outside of the device 435, i.e. according to the arrows E.
  • This can be carried out for example with a screw 467 that passes through the aligned holes 483 of the jaws 465 in such a way that the ends of the screw 480 are able to slide in the central slots 476 of the shafts 437.
  • the screw 467 has a thrusting head 484 arranged in abutment on the inner side 466 of one of the jaws 465, and moreover the screw 467 is inserted into a nut 468 arranged in abutment on the inner side 466 of the other jaw 465, and in this way when the screw 467 is given an unscrewing movement with respect to the nut 468 the thrusting head 484 and the nut 468 exert the thrust to open out the jaws 465.
  • the screw 467 can be set in rotation by a lever-operated device like the one of the previous embodiments, or alternatively by a control wheel 488 rotating as a unit with the screw 467.
  • any type of locking and unlocking device can be used as an alternative to those illustrated.
  • the locking devices able to be actuated with a double-acting lever are the preferred ones since they allow the locking and unlocking device to be easily actuated even if positioned very close to the stiffening shaft 45, and consequently its bulk is less and the entire posture device is easier to transport and store.
  • a fold-up posture chair 201 is shown that is an alternative to that of figure 1 because the posture device 210, instead of comprising two anchoring guides to the frame 215, is fixed to the back support portion 220 through a pintle 240a and an attachment device 240b, for example a screw or a peg, arranged at respective ends of the stiffening bar 245.
  • the posture device 10 of figure 1 has an operative configuration in which it is anchored fixed to the frame 15 through the insertion of the guides 40 in the shafts 42, and a non-operative position in which it is completely separate from the frame 15, the posture device 210 is never completely separable from the frame 215, but comprises a first operative position in which it is anchored fixed to it through the screw 240b, and a non-operative position in which it is only free to rotate according to the arrow T thanks to the pintle 240a in order to be able to be positioned in a convenient position for the transportation of the closed chair.
  • FIG 10 A further alternative embodiment of a fold-up posture chair 301 is illustrated in figure 10 . It differs from the chair 1 of figure 1 solely in that the guides 340 of the posture device 310 have openings at both ends of the cavity 350 so that they go into abutment on the armrests 351 instead of on the top of the shafts 342.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (15)

  1. Haltungsvorrichtung für Stühle, die einen Abschnitt (30) zum Verankern an einem Stuhl (5) und einen Stützabschnitt für den Kopf und/oder den Hals (33) einer auf dem Stuhl (5) sitzenden Person umfasst, wobei der Stützabschnitt für den Kopf und/oder Hals (33) eine Bewegung zum Einstellen seiner Position gegenüber dem Verankerungsabschnitt (30) umfasst, wobei die Einstellbewegung mindestens eine Drehbewegung und eine Gleitbewegung umfasst, die voneinander unabhängig sind und vermittels einer einzigen Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) gesperrt oder zugelassen werden, wobei der Stützabschnitt für den Kopf und/oder Hals (33) einen Führungsschaft, der gleitend und schwingend mit der Verriegelungs- und Entriegelungsvorrichtung (35) gekoppelt ist, und ein Kissen (38) umfasst, das an einem Ende des Führungsschafts (37) angeordnet ist, wobei die mindestens eine Drehbewegung die Schwingung des Führungsschafts (37) ist und die mindestens eine Gleitbewegung die Gleitbewegung des Führungsschafts (37) gegenüber der Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) ist, dadurch gekennzeichnet, dass die Verriegelung- und Entriegelungsvorrichtung vollständig hinter dem Verankerungsabschnitt (30) angeordnet ist.
  2. Haltungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Führungsschaft (37) um eine Achse (67, 77, 173, 467) schwingt, die von einem Paar Backen (65, 165, 465) der Verriegelungs- und Entriegelungsvorrichtung (35) getragen wird, die hinter dem Verankerungsabschnitt (30) vorsteht.
  3. Haltungsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die einzige Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) an dem Verankerungsabschnitt (30) befestigt ist.
  4. Haltungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verankerungsabschnitt (30) an einen Stuhl (5) gekoppelt und von ihm gelöst werden kann und dass der Verankerungsabschnitt (30) ein Paar Führungen (40, 340) umfasst, die mit einem Stuhl (5) verbunden werden können und durch eine einzige Versteifungsstange (45, 245) einer Länge, die im Wesentlichen gleich der Breite des Rückenstützabschnitts (20) des Stuhls (5), mit der die Haltungsvorrichtung (10, 210, 310) gekoppelt werden soll, miteinander verbunden sind, wobei die Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) auf der Rückseite der mindestens einen Versteifungsstange (45, 245) angekoppelt ist.
  5. Haltungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass eine solche Vorrichtung (35, 135, 435) auf einer Seite der Versteifungsstange (45, 245) angeordnet ist, die einer Seite entgegengesetzt ist, die dazu vorgesehen ist, dem Rückenstützabschnitt (20) des Stuhls (5) zugewandt zu sein.
  6. Haltungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Versteifungsstange (45, 245) konkav mit einer derartigen Konkavität ist, dass ihr mittlerer Abschnitt beim Gebrauch am weitesten vom Rückenstützabschnitt (20) des Stuhls (5) entfernt ist.
  7. Haltungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie eine Gleitführung (72, 172) und eine Drehführung (74) umfasst.
  8. Haltungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) ein Paar Backen (65, 165, 465) umfasst.
  9. Haltungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass das Paar Backen (65, 165, 465) auf den Stützabschnitt für den Kopf und/oder den Hals (33) unter Zwischenschaltung der Gleit- und Drehführungen (72, 74, 172) einwirkt.
  10. Haltungsvorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass die Backen (65, 165, 465) die Verriegelungswirkung auf den Stützabschnitt für den Kopf und/oder Hals (33) ausüben, wenn sie aufeinander zu, oder alternativ voneinander weg, gedrückt werden, wobei die Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) eine Vorrichtung (43) zum Zusammen- oder Auseinanderschieben der Backen (65, 165, 465) umfasst, die vorzugsweise mit nur einer Hand betätigt werden kann.
  11. Haltungsvorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Vorrichtung (43) zum Schieben der Backen (65, 165, 465) eine Schraube (67, 167, 467) umfasst, die in eine Mutter (68, 468) eingesetzt ist, wobei die Schraube (67, 167, 467) oder die Mutter (68, 468) durch eine Hebelvorrichtung (86) gedreht wird, die einen Hebel (88) mit einer ersten Wirkstellung, in der er sich drehen kann und dadurch die Mutter (68) oder die Schraube (67, 167) in Drehung versetzt, und einer zweiten Wirkstellung umfasst, in der er sich unabhängig von der Mutter (68) und von der Schraube (67, 167) frei drehen kann.
  12. Haltungsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Schraube (67, 167, 467) auch als Drehzapfen (77) wirkt, um den sich der Stützabschnitt für den Kopf und/oder den Hals (33) dreht, wenn sich die Verriegelungs- und Entriegelungsvorrichtung (35, 135, 435) in einer entriegelten Anordnung befindet.
  13. Haltungsvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Stützabschnitt für den Kopf und/oder den Hals (33) mindestens einen Führungsschaft (37, 467) umfasst, der gegenüber den Backen (65, 465) gleiten kann, wenn sich die Verriegelungs- und Entriegelungsvorrichtung (35, 135, 465) in einer entriegelten Anordnung befindet, wobei der mindestens eine Führungsschaft (37, 437) einen Längsschlitz (76, 476) aufweist, in dem die Schraube (67, 467) läuft.
  14. Haltungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die zwei Führungen (40, 340) parallel zueinander sind und dass jede einen Schlitz (58) umfasst, der dem Schlitz (58) der anderen Führung (40, 340) zugewandt ist.
  15. Haltungsvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass jede Führung (40, 340) einen Hohlraum (50, 350) zum Aufnehmen eines Stuhlabschnitts (42, 342) umfasst, wobei der Hohlraum (50, 350) zwei entgegengesetzte Enden (52, 53) in der Richtung des Einführens und Herausziehens des Stuhlabschnitts (42, 342) aufweist, wobei beide Enden (52, 53) für den Durchgang des Stuhlabschnitts (42) offen sind oder eines der zwei Enden (53) ein Verschlusselement (55) umfasst, das dazu vorgesehen ist, in Anlage an dem in den Hohlraum (50, 350) eingeführten Stuhlabschnitt (42, 342) zu kommen.
EP20110152619 2010-02-01 2011-01-28 Haltungsvorrichtung für Stühle Not-in-force EP2353451B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRN2010A000002A IT1398192B1 (it) 2010-02-01 2010-02-01 Dispositivo posturale per sedie e sedia posturale comprendente tale dispositivo

Publications (2)

Publication Number Publication Date
EP2353451A1 EP2353451A1 (de) 2011-08-10
EP2353451B1 true EP2353451B1 (de) 2013-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110152619 Not-in-force EP2353451B1 (de) 2010-02-01 2011-01-28 Haltungsvorrichtung für Stühle

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EP (1) EP2353451B1 (de)
ES (1) ES2436456T3 (de)
IT (1) IT1398192B1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US398893A (en) * 1889-03-05 Head-rest
US1576915A (en) * 1923-03-03 1926-03-16 Koenigkramer Frank Headrest apparatus
US3730589A (en) * 1971-12-09 1973-05-01 Avco Corp Head or back support for wheelchair
US5690387A (en) * 1996-10-28 1997-11-25 Sarti; Ronnie A. Removable headrest for chairs
US5897167A (en) * 1997-11-20 1999-04-27 Keith; Lendon V. Detachable adjustable height headrest for a folding chair
JP4584643B2 (ja) * 2004-07-16 2010-11-24 株式会社ユーキ・トレーディング 車椅子用の後付けヘッドレスト支持機構

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ITRN20100002A1 (it) 2011-08-02
IT1398192B1 (it) 2013-02-14
EP2353451A1 (de) 2011-08-10
ES2436456T3 (es) 2014-01-02

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