WO2014009147A1 - Dispositif de siège - Google Patents

Dispositif de siège Download PDF

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Publication number
WO2014009147A1
WO2014009147A1 PCT/EP2013/063291 EP2013063291W WO2014009147A1 WO 2014009147 A1 WO2014009147 A1 WO 2014009147A1 EP 2013063291 W EP2013063291 W EP 2013063291W WO 2014009147 A1 WO2014009147 A1 WO 2014009147A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
desk
seat structure
base frame
axis
Prior art date
Application number
PCT/EP2013/063291
Other languages
German (de)
English (en)
Inventor
Sabine BÜHRER
Original Assignee
Eb-Invent Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eb-Invent Gmbh filed Critical Eb-Invent Gmbh
Priority to US14/413,493 priority Critical patent/US20150196123A1/en
Priority to EP13737809.7A priority patent/EP2872007B1/fr
Publication of WO2014009147A1 publication Critical patent/WO2014009147A1/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
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation
    • 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
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or 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
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • A47C1/0347—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest characterised by the backrest-seat unit or back-rest slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0257—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame slidingly movable in the base frame, e.g. by rollers
    • 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
    • A47C7/002—Chair or stool bases
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
    • 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
    • A47C7/002—Chair or stool bases
    • A47C7/006—Chair or stool bases with castors
    • 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
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • 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
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A47C7/5062—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type rectilinearly
    • 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
    • A47C7/54—Supports for the arms

Definitions

  • the invention relates to a desk-seat device comprising a base frame with a base and a seat structure with a seat and a backrest.
  • desk-seat devices are referred to in the context of the application seat devices in which a height of the seat, dimensions and the like is optimized for use at a desk.
  • Such desk-seat devices are referred to in the context of the application as office work chair or short office chair. Requirements for such seating devices are specified for example in DIN EN 1335.
  • a desk-seat device comprising a base frame with a base and a seat structure with a seat and a backrest, wherein a pivot mechanism is provided, by means of which the seat structure on the base frame about a horizontal pivot axis between a working and a lying position is mounted, and wherein the pivot axis is arranged with respect to the base frame stationary above the seat at least approximately in the region of a center of gravity of the seat structure together with a designated person using the seat structure.
  • the seat device In the working position, the seat device can be used without restrictions at a desk. A pivoting movement is possible at least between the working and the lying position. In one embodiment, pivoting into any intermediate position is also possible. Due to the arrangement of the pivot axis in the center of gravity, no torques due to gravity act on the seat structure. The position of the seat structure is thus stable in any pivoting position of the seat structure about the pivot axis, also referred to as tilting position. This makes it possible to elaborate - -
  • Disable locking mechanisms In one embodiment, however, additional locking mechanisms for fixing the seat structure are provided in a desired tilt position.
  • a pivoting movement of the seat structure is possible with little effort, for example by support on an armrest of the seat device.
  • the pivoting movement is therefore initiated and executed manually in one embodiment by a user.
  • at least one drive and / or a brake is provided to pivot the seat structure and / or to lock in a certain position.
  • the pivoting position over the maximum positions, d. H. Beyond the working position and / or the lying position, is prevented in advantageous embodiments by attacks. Due to the arrangement of the pivot axis above the seat, overturning of the seat structure is reliably prevented even in the event of a failure of the brakes and / or without limitation.
  • the pivoting movement about the pivot axis lying at least approximately in the center of gravity also leads to a feeling of relaxation in the case of a pivoting movement in the case of a person using the seat device.
  • the base comprises rollers by means of which the seat device can be moved.
  • the seat structure and the base frame are connected vertically adjustable, for example by means of a gas spring device.
  • a pivoting movement between - - The working and lying position no displacement of the pivot axis relative to the base frame, despite a height adjustment of the seat structure is spoken relative to the base frame of a fixed pivot axis.
  • a tilt mechanism for a dynamic sitting in the working position is provided between the seat device and the base frame.
  • the center of gravity of the seat structure is almost the same for a large number of potential users.
  • balancing weights are provided in one embodiment.
  • the seat structure comprises a seat structure support.
  • the seat support serves as a holding device for the seat and the backrest.
  • the seat surface and / or the backrest is adjustable relative to the pivot axis and mounted in at least two different positions fixed to the seat structure support. Due to the adjustability of the seat and / or the backrest relative to the pivot axis an adjustment of the seat device for a particular application by shifting the center of gravity in the pivot axis is possible.
  • the seat surface and the backrest are connected to the seat surface for a transmission of an adjustment movement of the backrest.
  • the seat and the backrest are rigidly connected.
  • a “rigid connection” a mechanical connection is referred to, in which the components ideally no - -
  • the seat and the backrest are elastically connected, so that over a small, definable angle range, a relative movement between the seat and the backrest is possible.
  • a compensation movement is possible.
  • the seat and the backrest are rigidly connected to prevent a relative movement between the seat and backrest upon pivoting about the pivot axis and thus a displacement of the center of gravity during pivoting ,
  • the rigid connection is effected in one embodiment by a suitable device automatically during the pivoting movement about the pivot axis.
  • the parts are connected manually by a user. It is provided in one embodiment that only after a rigid connection of the parts a pivoting movement is released about the pivot axis.
  • the swivel mechanism comprises two support elements assigned to the base frame, arranged laterally of the seat structure, and two rockers associated with the seat structure and pivotably mounted on the support elements.
  • a "mechanical connection of the rockers with parts of the seat structure, in particular with the seat structure support, as well as a one-piece design of the rockers with parts of the seat structure, in particular with the seat structure support are referred to as the" seat structure assigned " two side armrests assigned to the base frame are provided, the armrests acting as support elements to which the rockers are pivotably articulated.
  • the pivot mechanism comprises at least two concentrically arranged sheet guides.
  • at least two concentrically arranged, closed circular guides or open sheet guides are provided.
  • the sheet guides are slidably mounted on rollers or counter-guides, so that the seat structure performs a pivoting movement about the axis, which is defined by the two centers.
  • the two sheet guides are associated with the seat structure and are slidably mounted in a counter guide associated with the base frame.
  • a course of the bending line of the two sheet guides is optimized for a pivoting movement.
  • the two sheet guides are designed for this purpose in one embodiment as circular arc guides.
  • the sheet guides on a bending line, which differs in sections from a circular path.
  • a force is increased at the beginning of a pivoting movement from the working position and / or from the lying position.
  • the seat structure is forced into the working position and / or into the lying position without external force.
  • the course of the bending line can be suitably selected by the person skilled in the art without difficulty, the center of gravity remaining at least approximately stationary.
  • the pivot mechanism comprises two hinge devices, each of which has at least one upper arm and a forearm articulated about an arm axis to the upper arm, wherein the upper arm is pivotally connected to the base frame about a base axis - -
  • Forearm is pivoted about an end axis to the seat structure, the base axis, the arm axis and the end axis of each hinge device intersect each other in each case a central point and the connecting line of the central points defines the pivot axis.
  • further arms are provided, which are rotatable about further arm axes that pass through the central point, wherein the forearm is not directly or directly hinged to the seat structure, but the seat structure between the two last arms of the two hinge devices, rotatable about whose two end axes is mounted.
  • Such a pivot mechanism allows pivoting about a not physically realized pivot axis.
  • the pivot mechanism is arranged offset to the pivot axis.
  • the swivel mechanism is arranged to save space below the seat, without this resulting in an impairment of the use in the working position.
  • the two joint devices are constructed symmetrically with respect to the plane of symmetry between the two central points. This is advantageous for ease of storage and construction during construction and maintenance, but this is not necessary. In advantageous embodiments, however, it is at least provided that the end axes extend in a common normal plane to the pivot axis and / or that the base axes lie in a common plane.
  • the seat structure comprises an adjustable between a use position and a stowage leg rest.
  • the leg or footrest allows the lower legs and / or feet to be stored in a lying position. In the use position, the leg rest is in one - -
  • the leg rest is angled with respect to the seat in the use position.
  • the leg rest is coupled in one embodiment with the pivot mechanism of the seat structure, so that when pivoting the seat structure in the lying position, the leg rest is adjusted to the use position.
  • the adjustment movements of the seat structure and the leg rest are not coupled, so that, for example, the leg rest can be brought into a working position even in the working position.
  • the leg rest is articulated pivotably on the seat structure.
  • the leg rest is articulated pivotably about an axis arranged at a front end of the seat surface.
  • pivoting takes place by means of a folding mechanism with a stopper element projecting downwards from the seat surface, which holds the leg rest against the force of gravity in a lying position in a lying position of the seat structure in a use position.
  • the legrest is slidably mounted and hinged in a drawer.
  • the leg rest is loaded by means of a constraining force, which causes it to fold down when the leg rest is pulled out of the drawer.
  • Fig. 1 is a perspective view of a desk-seat device according to a first embodiment
  • FIG. 2 is a perspective view of a support structure of the desk-chair apparatus of FIG. 1;
  • Fig. 3 is a side view of the desk-seat device of FIG.
  • FIG. 4 is a perspective view of a seat structure of the desk-seat device according to FIG. 1 with two rockers;
  • FIG. 5 is a perspective view of a desk-seat device according to a second embodiment
  • FIG. 6 is a side view of the desk-seat apparatus of FIG.
  • FIG. 7 shows a detail Z of the side view of the desk-seat apparatus according to FIG. 5;
  • FIG. 8 is a side view of a desk chair apparatus according to a third embodiment
  • FIG. 9 is a rear view of the desk-chair apparatus of FIG. 8; FIG. - -
  • FIG. 10 is a perspective view of the desk-chair apparatus of FIG. 8; FIG.
  • Fig. 1 1 shows a detail XI of the desk-seat apparatus according to Fig. 10;
  • FIG. 12 is a side view of a desk-seat device according to a fourth embodiment in a working position.
  • FIG. 13 is a side view of the desk chair apparatus of FIG.
  • FIG. 14 is a side view of the desk-seat apparatus of FIG.
  • FIG. 1 and 3 schematically show a desk-seat device 1 according to a first embodiment in a perspective view and a side view, respectively.
  • Figs. 2 and 4 show parts of the desk-chair apparatus 1 according to the first embodiment.
  • 5 and 6 show a perspective view and a side view of a desk-seat device 101 according to a second embodiment.
  • FIG. 7 shows a detail Z according to FIG. 5.
  • FIGS. 8 to 10 schematically show a desk-seat device 201 according to a third embodiment in a side view, a rear view and a perspective view, respectively.
  • Fig. 1 1 shows a detail XI of the desk-seat device 201 according to FIGS. 8 to 10.
  • FIGS. 12 to 13 schematically show a desk chair apparatus 301 according to a fourth embodiment in three side views. - -
  • the desk-seat device 1, 101, 201, 301 have partially the same or similar components.
  • uniform reference numerals are used. In the following, these components will be described first.
  • the desk-seat devices 1, 101, 201 each comprise a base frame 2 with a base 20 and a seat structure 3 with a seat surface 30 and a backrest 31. At the base 20, rollers 21 are provided in the illustrated embodiments.
  • the desk-seat devices 1, 101, 201 each further comprise a pivoting mechanism 4, 104, 204, by means of which the seat structure 3 about a horizontal pivot axis I between a working position shown in Figs. 3, 6, 8 and 9 and one in FIG. 1, 5 and 10 shown lying position is pivotally mounted.
  • the pivot axis I is arranged in each case stationary relative to the base frame 2 above the seat surface 30, wherein a position of the pivot axis I is chosen so that the pivot axis I at least approximately in the region of a center of gravity of the seat structure 3 together with a person, not shown, the seat structure 3 is arranged.
  • the seat structure 3 comprises in the illustrated embodiments in each case a seat structure support 32 to which the seat surface 30 is attached.
  • the backrest 31 and the seat surface 30 are rigidly connected to each other in the illustrated embodiments by means of an angle 33.
  • the seat surface 30 is adjustably mounted on the seat structure support 32 in one embodiment. This makes it possible to move a center of gravity of the seat structure 3, taking into account a person using the seat structure, relative to the pivot axis I, so that the center of gravity comes to lie in the pivot axis I.
  • the desk-seat devices 1, 101, 201 shown in FIGS. 1 to 1 further comprise in each case a legrest 7 on which the lower legs or the feet of a user, not shown, can be placed in the lying position according to FIGS. 1, 5 and 10 ,
  • the legrest 7 is - as can be seen for example in Fig. 3, 6 or 8 - stowed in the working position in a position below the seat surface 30.
  • the leg rest 7 is displaceably mounted by means of two guide rail pairs 70, 71 relative to the seat surface 30 in a plane arranged at least approximately parallel to the seat surface.
  • a guide rail 70 is attached to the seat structure support 32.
  • the leg rest 7 is pivotally articulated.
  • An adjustment mechanism for the leg rest 7 further comprises a lever 72, on which a constraining force is applied by means of an element not shown in the figures. As a result of the constraining force, when the guide rails 71 are extended, the leg rest 7 is pivoted about the pivot axis 73 into the position shown in FIG. 1, which is angled relative to the seat surface 30.
  • the desk seat devices 301 shown in FIGS. 12 to 14 likewise comprise a leg rest 307 on which the lower legs or the feet of a user, not shown, can be placed in the lying position according to FIG.
  • the leg rest 307 is - as can be seen in Fig. 12 - in the working position in a position below the seat 30 stowed.
  • the leg rest 307 is extendable from the stowed position.
  • the legrest 307 is displaceably mounted by means of a pin 371 in a guide rail 370 mounted on the seat structure support 32 and in the extended position about the pin 371 - - swiveling.
  • the leg rest 307 is further associated with a folding mechanism 374.
  • the folding mechanism 374 comprises a stopper element 375 projecting downwards from the seat surface 30 and cooperating with a stop 376 arranged on the rear side of the leg rest 307.
  • the stopper element 375 is issued during pivoting of the seat structure 3, so that the leg rest 307 pivots about the pin 371.
  • pivot mechanisms 4, 104, 204 provided in the four exemplary embodiments are described below.
  • the swivel mechanism 4 comprises two support elements 40 arranged on the side of the seat structure 3 and assigned to the base frame 2, which are integrally formed as a U-shaped support structure 400 is trained.
  • the support structure 400 is shown in detail in FIG.
  • the U-shaped support structure 400 comprises a base 41 and two legs projecting from the base and acting as support elements 40. By means of the base 41, the support structure 400 with the base frame via screws 42 and a support plate 43 is firmly connected.
  • the support structure 400 is in the embodiment of FIG. 1 to 4 relative to the base 20 by means of a known gas pressure spring device 5 mounted vertically adjustable. On the support structure 400, two armrests 6 are fastened by means of screws 60 in the embodiment.
  • the pivoting mechanism 4 further comprises two rockers 44 which are associated with the seat structure 3 shown in detail in FIG. 4.
  • the rockers 44 are arranged pivotably about the pivot axis I on the support structure 400 by means of two pivot bearings 45.
  • the support structure 400 comprises a - -
  • Perforated ring for a connection of the wings. This makes it possible to arrange the rockers 44 in different positions on the support structure 400, so as to vary a position of the pivot axis I.
  • the illustrated support structure 400 comprises two stops 46, 47, by means of which a maximum movement of the seat structure 3 is limited relative to the base frame 2 in the illustrated embodiment.
  • a stop 47 which is arranged closer to the pivot axis I in the radial direction, interacts with the rocker 44 in order to prevent a pivoting movement beyond the lying position.
  • the arrangement of the stops 46, 47 is merely exemplary and can be selected by a person skilled in the art.
  • the rockers 44 are fastened to the seat structure support 32 by means of a screw connection 34.
  • a support structure 400 with a perforated rim for connecting the rockers 44 it is conceivable to arrange the rockers in different positions on the seat structure support 32, so as to vary a position of the pivot axis I.
  • the swivel mechanism 104 shown in FIGS. 5 to 7 comprises two concentrically arranged bow guides 140, which are mechanically connected to the seat structure support 32 in the illustrated embodiment.
  • the sheet guides 140 are extended in the region of the backrest 31.
  • the bow guides 140 thus support the backrest 31. At the same time, an aesthetically pleasing structure is created.
  • FIG. 7 shows a detail Z according to FIG. 5.
  • the sheet guides 140 are each in a counter guide 141 with three - -
  • the counter guide 141 is associated with the base frame 2 and mounted on the base frame 2 by means of a bracket 143.
  • the bracket 143 is mounted vertically adjustable relative to the base 20 in advantageous embodiments.
  • the seat device 101 further comprises two armrests 6, which are also connected to the base frame 2 by means of side plates 61 and by means of the bracket 143.
  • the side plates 61 are used in the embodiment shown in FIGS. 5 to 7 as a housing for the counter-guides 141, wherein in the illustration of FIG. 5, the armrest 6 is shown offset from the counter guide 141, so that the counter guide 141 is visible.
  • the swivel mechanism 204 illustrated in FIGS. 8 to 10 comprises two joint devices 8, wherein a joint device 8 in FIG. 11 is shown in detail.
  • the joint devices 8 each comprise an upper arm 80 and a lower arm 81 pivotally connected to the upper arm 81.
  • the upper arm 80 and the lower arm 81 are pivotably connected to one another about a schematically illustrated arm axis 82.
  • the upper arm 80 is further articulated about a schematically illustrated base axis 83 on the base frame 2. More precisely, the upper arm 80 is attached to a bracket 243 associated with the base frame 2.
  • the lower arm 81 is pivoted about an end axis 84 to the seat structure 3, more specifically to the seat structure support 32.
  • the base axis 83, the arm axis 82 and the end axis 84 intersect each other in a schematically drawn central point 85.
  • a connecting line of the two central points 85 defines the pivot axis I.
  • the two hinge devices 8 are similar and symmetrical with respect to the drawn in Fig. 9 symmetry plane II between the central points 85 constructed. - -
  • the two hinge devices 8 allow pivotable about the pivot axis I storage, wherein the pivot mechanism 204 spaced from the pivot axis I is arranged. This makes it possible to arrange the components of the pivoting mechanism 204 below the seat surface 30 and objected to a region of use of the armrests 6. As a result, a risk of injury due to body parts of the user clamped in the area of the pivoting mechanism 204 is particularly low.
  • each hinge device comprises two arms, namely an upper arm 80 and a lower arm 81.
  • further “arms” are provided, which are each pivoted about a further axis, with all other axes passing through the central point 85. It is an advantage of such arrangements that it is possible to make the arms short and therefore cramped
  • more than two hinge devices 8 are provided, wherein a central point of the additional hinge devices lies in the pivot axis I.
  • the base axes 83 are arranged on the bracket 243 and thus arranged immovably to each other.
  • the two end axes 84 are arranged on the common seat structure support 32 and thus immovably to each other.
  • An orientation of the base axis 83, the arm axis 82 and the end axis 84 and a length of the upper arm 80 and / or the lower arm 81 are freely selectable within wide limits. This makes it possible to place the central points 85 in a targeted manner in dependence on, for example, a mass of the seat structure, only the lateral deflection, which takes place per angular unit, sets limits here. - -
  • the adjusting mechanism for the legrest 7 further comprises a blocking element 75.
  • the leg rest 7 is displaceably mounted relative to the seat surface 30 by means of the two guide rail pairs 70, 71, wherein a constraining force is applied to the leg rest 7, which forces the leg rest 7 into the extended use position.
  • the locking member 75 holds the leg rest 7 against the urging force in the stowed position. By loosening the locking element 75, the leg rest is extended semiautomatically.
  • the legrest 7 is designed in the embodiment shown in FIGS. 8 to 10 without padding, so that a particularly space-saving stowage is possible.
  • an adjusting movement between the working position and the lying position is done manually.
  • a user can be supported for this purpose, for example, on the armrests and initiate a pivoting movement in the reclining position by leaning back.
  • the pivoting mechanism comprises a drive or a plurality of drives. The drives are suitably selected according to the pivoting mechanism.
  • a timer with a wake-up function is provided, wherein after a defined period of time a user is woken up.
  • a constraining force is applied, by means of which a provision of the seat structure 3 from the lying position takes place in the working position.
  • the coercive force is applied in a development by a drive, in another embodiment by means of a spring, which is released after the expiration of the period of time.

Abstract

La présente invention concerne un dispositif de siège à tablette comprenant un châssis de base (2) comportant un pied de support (20) et une structure de siège (3) comportant une surface d'assise (30) et un dossier (31), selon lequel un mécanisme de pivotement (4, 104, 204) permet que la structure de siège (3) soit montée pivotant sur le châssis de base (2) autour d'un axe de pivotement (I) horizontal entre une position de travail et une position allongée, et selon lequel l'axe de pivotement (I) par rapport au châssis de base (2) est agencé de façon fixe au-dessus de la surface d'assise (30) au moins approximativement au niveau d'un centre de gravité de la structure de siège (3) et d'une personne utilisant la structure de siège (3) conformément à l'usage prévu.
PCT/EP2013/063291 2012-07-11 2013-06-25 Dispositif de siège WO2014009147A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/413,493 US20150196123A1 (en) 2012-07-11 2013-06-25 Seat device
EP13737809.7A EP2872007B1 (fr) 2012-07-11 2013-06-25 Dispositif de siège

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012212121.8 2012-07-11
DE102012212121.8A DE102012212121A1 (de) 2012-07-11 2012-07-11 Sitzvorrichtung

Publications (1)

Publication Number Publication Date
WO2014009147A1 true WO2014009147A1 (fr) 2014-01-16

Family

ID=48795557

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/063291 WO2014009147A1 (fr) 2012-07-11 2013-06-25 Dispositif de siège

Country Status (5)

Country Link
US (1) US20150196123A1 (fr)
EP (1) EP2872007B1 (fr)
DE (1) DE102012212121A1 (fr)
PL (1) PL2872007T3 (fr)
WO (1) WO2014009147A1 (fr)

Cited By (7)

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CN105983207A (zh) * 2015-02-16 2016-10-05 光昱金属有限公司 晃摆运动器材及其调整方法
EP3056183A3 (fr) * 2015-02-16 2016-11-09 Kuang Yu Metal Working Co., Ltd. Dispositif d'exercice et procédé de commande correspondant
WO2017206904A1 (fr) * 2016-06-02 2017-12-07 上海海雁医药科技有限公司 Inhibiteur de pi3k, sel pharmaceutiquement acceptable, forme polycristalline, et leur utilisation
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US10383448B1 (en) 2018-03-28 2019-08-20 Haworth, Inc. Forward tilt assembly for chair seat
US20220041087A1 (en) * 2019-06-25 2022-02-10 Yanfeng Adient Seating Co., Ltd. Inbuilt Seat Leg Support and Seat
US11596232B2 (en) 2019-04-16 2023-03-07 MillerKnoll, Inc. Chair for active engagement of user

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CN105983207A (zh) * 2015-02-16 2016-10-05 光昱金属有限公司 晃摆运动器材及其调整方法
EP3056183A3 (fr) * 2015-02-16 2016-11-09 Kuang Yu Metal Working Co., Ltd. Dispositif d'exercice et procédé de commande correspondant
CN105983207B (zh) * 2015-02-16 2019-01-04 光昱金属有限公司 晃摆运动器材及其调整方法
US10500434B2 (en) 2015-02-16 2019-12-10 Kuang Yu Metal Working Co., Ltd. Exercising device and operating method thereof
US10362874B2 (en) 2015-07-23 2019-07-30 Herman Miller, Inc. Seating device
WO2017206904A1 (fr) * 2016-06-02 2017-12-07 上海海雁医药科技有限公司 Inhibiteur de pi3k, sel pharmaceutiquement acceptable, forme polycristalline, et leur utilisation
US10544137B2 (en) 2016-06-02 2020-01-28 Shanghai Haiyan Pharmaceutical Technology Co., Ltd. PI3K inhibitor, and pharmaceutically acceptable salt, polycrystalline form, and application thereof
US10383448B1 (en) 2018-03-28 2019-08-20 Haworth, Inc. Forward tilt assembly for chair seat
US11596232B2 (en) 2019-04-16 2023-03-07 MillerKnoll, Inc. Chair for active engagement of user
US11805905B2 (en) 2019-04-16 2023-11-07 MillerKnoll, Inc. Chair for active engagement of user
US20220041087A1 (en) * 2019-06-25 2022-02-10 Yanfeng Adient Seating Co., Ltd. Inbuilt Seat Leg Support and Seat
US11679707B2 (en) * 2019-06-25 2023-06-20 Yanfeng Adient Seating Co., Ltd. Inbuilt seat leg support and seat

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EP2872007B1 (fr) 2016-09-21
EP2872007A1 (fr) 2015-05-20
DE102012212121A1 (de) 2014-01-16
US20150196123A1 (en) 2015-07-16
PL2872007T3 (pl) 2017-04-28

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