EP3780997A1 - Einziehbarer sitz für hockposition - Google Patents

Einziehbarer sitz für hockposition

Info

Publication number
EP3780997A1
EP3780997A1 EP19716185.4A EP19716185A EP3780997A1 EP 3780997 A1 EP3780997 A1 EP 3780997A1 EP 19716185 A EP19716185 A EP 19716185A EP 3780997 A1 EP3780997 A1 EP 3780997A1
Authority
EP
European Patent Office
Prior art keywords
seat
rotation
module
axis
support leg
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.)
Granted
Application number
EP19716185.4A
Other languages
English (en)
French (fr)
Other versions
EP3780997B1 (de
Inventor
Bertrand GRAVLO
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL19716185T priority Critical patent/PL3780997T3/pl
Publication of EP3780997A1 publication Critical patent/EP3780997A1/de
Application granted granted Critical
Publication of EP3780997B1 publication Critical patent/EP3780997B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/18—Folding chairs with inflexible seats having a frame made of metal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/02—Office stools; Workshop stools
    • A47C9/025—Stools for standing or leaning against, e.g. in a semi-standing or half-seated position
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/02—Office stools; Workshop stools
    • A47C9/027—Stools for work at ground level
    • 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
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions

Definitions

  • the invention relates to a retractable seat for a sit-stand position.
  • the present invention provides a retractable seat, comprising a seat for receiving the buttocks of a user, including a support of the buttocks, the seat being configured to take alternately a position of use in which the seat is deployed so that the seat can support the buttocks of the user and a storage position in which the seat is retracted, the seat can not receive the buttocks of the user, including a support of the buttocks,
  • a first module movable in rotation in a vertical plane comprising longitudinal elements configured to form a deformable quadrilateral, the first module being articulated about at least a first axis of rotation mounted on a fixed support, configured so that in position of use at least two longitudinal elements are in surface contact blocking the rotation of the first module in at least one direction of rotation.
  • the seat also comprises a second mobile module rotating in the same vertical plane as the first module comprising a support leg configured to be in surface contact with the ground in the use position and a connecting rod fixed at a first end to the first module and at a second end to the support leg, the second module being configured so that in the use position the connecting rod and the support leg is in surface contact blocking the rotation of the second module in at least one direction of rotation.
  • a second mobile module rotating in the same vertical plane as the first module comprising a support leg configured to be in surface contact with the ground in the use position and a connecting rod fixed at a first end to the first module and at a second end to the support leg, the second module being configured so that in the use position the connecting rod and the support leg is in surface contact blocking the rotation of the second module in at least one direction of rotation.
  • the present invention has the advantage of providing a seat which allows the user to rest in a sitting-standing position easily behind his work station by unfolding the seat with advantageously a single rotational movement, while limiting the wheelbase and by allowing support including a horizontal component that can be majority. Indeed, because of the connection of the seat to a fixed point, whether a piece of furniture or a base, the support of the user does not have to be predominantly vertical at the risk of backing or tilting the seat. In addition, the seat does not require complicated assembly disassembly. Conversely, by a simple tilting, the first module and the second module pass from the use position to the storage position, thus allowing the user to move from the sitting-standing position to standing, to move or clear the station, simplifying the storage of the seat.
  • the seat comprises a spring element allowing a return to the storage position of the seat as soon as the removal of a support on the seat or to facilitate the maneuvering by reducing the effort.
  • the seat comprises a device for adjusting the height of the seat, so that the seat can be adapted to different users.
  • Another aspect of the present invention relates to a method of using a sit-stand comprising the following steps:
  • Deployment of the seat from a storage position to a position of use comprising tilting the first module in a vertical plane in a direction of rotation about at least one axis of rotation simultaneously with the tilting of the support leg in the same vertical plane about an axis of rotation until the support leg is in surface contact with the ground and that at least two longitudinal elements of the first module is in contact with one another so as to block the rotation of the first module in at least one direction of rotation and that the support leg and its connecting rod is in contact with one another so as to block the rotation of the second module in at least one direction of rotation.
  • FIGURES 1 to 2 are diagrammatic representations of two positions of the seat according to the invention in view of three quarters.
  • FIGURE 1 shows the retracted position of the seat.
  • FIGURE 2 shows the position of use of the seat.
  • Figure 3 illustrates a variant of the seat according to the invention.
  • the first module comprises a first longitudinal element and a second longitudinal element respectively fixed at their lower ends to the fixed support by a first axis of rotation and a second axis of rotation, the first and second axes of rotation being parallel.
  • the fixed support is integral with an external element, preferably a piece of furniture.
  • the fixed support is a base, in particular designed to receive the support of the feet of the user, in the context of use as a seat in free standing.
  • first longitudinal member and the second longitudinal member are interconnected at their upper ends by a rod.
  • the entire first module forms a deformable quadrilateral for deployment and retraction of the seat particularly easy and can advantageously also play the role of blocking element of the seat in the use position.
  • the support leg comprises a foot extending transversely and allowing the surface support of the leg on the ground.
  • the connecting rod is arranged in the upper part of the supporting leg remotely.
  • the rod is fixed at one end to the first longitudinal member by an axis of rotation and at its end opposite the support leg by an axis of rotation.
  • the support leg is fixed by an axis of rotation (a fourth axis of rotation) to the second longitudinal element of the first module.
  • the seat is mounted on a bracket comprising a cross member and a vertical upright, preferably slidably mounted in the second longitudinal element of the first module.
  • the vertical upright is configured to be rotatable relative to the second longitudinal element of the first module.
  • the seat comprises a device for adjusting the height of the seat.
  • the adjusting device comprises studs spaced along the length of the bracket.
  • the seat comprises a gripping member for gripping the seat by the user and the passage to the position of use of the seat.
  • the seat comprises a spring element allowing an automatic return to the storage position of the seat as soon as there is no effort on the seat.
  • the method of use comprises in the deployment of the seat, the gripping of the seat for driving the tilting of the first module and the support leg
  • the method of use comprises adjusting the height of the seat by sliding and rotation of the seat relative to the second longitudinal element of the first module.
  • the invention relates to a retractable seat, between a position of use and a storage position.
  • the seat is particularly intended for a user in a standing position.
  • Sit-stand position is understood to mean an intermediate position between standing and sitting, that is to say a standing position in which a portion of the weight of the user is transmitted by the support of his buttocks on a seated.
  • the invention can, however, also be used for a fully seated position. The difference will be the height of the seat relative to the ground: if it is high the seat will be intended for a sit-stand position if it is lower, the seat will be intended for a sitting position.
  • the seat according to the invention comprises a seat 1 advantageously mounted on a bracket 22 comprising a cross member 23 and a vertical upright 24. As shown in the figures, the seat 1 is a substantially flat surface configured to receive at least partially the buttocks of the user.
  • the seat is configured to take alternately a position of use and a storage position respectively illustrated in Figures 2 and 1. In the storage position, the seat is retracted, that is to say that the seat is arranged so as not to be able to receive the buttocks of a user.
  • the seat in the position of use, the seat is deployed, that is to say that the seat 1 is arranged to be able to receive the buttocks of a user, specifically the support of the buttocks. 'an user.
  • the retracted seat has a minimal size, preferably less than 20 cm.
  • clutter is meant the width of the seat in the retracted position.
  • the seat typically comprises a first module movable in rotation in a vertical plane around a fixed point comprising at least one axis of rotation 9-10.
  • the at least one axis of rotation 9-10 is arranged on a fixed support 2.
  • the fixed support 2 may be either a base or an external element such as a piece of furniture.
  • the fixed support 2 as indicated must be fixed and resist the tilting movement and the force transmitted by the support of the user on the seat 1.
  • the seat according to the invention is particularly advantageous because its establishment behind a workstation is fast, easy, without damage to the furniture.
  • the seat is either independent thanks to an independent base placed for example at the foot of the workstation of the user, or the seat is directly attached to the furniture of the workstation for example.
  • the first module comprises longitudinal elements 5-6, configured to form a deformable quadrilateral.
  • the first module comprises a first longitudinal element 5 and a second longitudinal element 6.
  • the first longitudinal element 5 and the second longitudinal element 6 are advantageously connected at their lower ends to the fixed support 2 and in the upper part by a connecting rod 7.
  • quadrilateral is thus formed by two longitudinal elements 5-6, the rod 7, and the fixed support 2.
  • Each longitudinal element 5-6 is rotatable about an axis of rotation 9-10 arranged on the fixed support 2.
  • the two axes of rotation 9-10 are parallel and extend perpendicular to the vertical plane in which the first module is movable.
  • the connecting rod 7 connects the first longitudinal element 5 and the second longitudinal element 6 by two joints each comprising an axis of rotation 11 - 12.
  • the two axes of rotation 11-12 are parallel and extend perpendicularly to the vertical plane in which the first module is mobile.
  • the distance between the two axes of rotation 11-12 is equal to or even less than the distance between the two axes of rotation 9-10
  • This arrangement makes it possible to have a stop of the rotation of the first module, by contact between the first longitudinal element 5 and the second longitudinal element 6.
  • the contact between the two longitudinal elements 5-6 is advantageously made by surface contact 17 preventing the rotation of the first module in the direction of deployment of the seat.
  • the seat comprises a second module movable in rotation in the same vertical plane as the first module or in a vertical plane parallel about at least one axis of rotation 15.
  • the vertical planes in which the first module and the second module are mobile in rotation, are merged or parallel.
  • the second module comprises a support leg 3 connected to the first module.
  • the second module comprises a connecting rod 8.
  • the connecting rod 8 connects the first module, more precisely the longitudinal element 5, to the support leg 3.
  • the connecting rod 8 comprises two articulations allowing a mobility in rotation around two axes of rotation 13-14, respectively arranged at each of its ends.
  • the axis of rotation 13 of the connecting rod 8 coincides with the axis of rotation 11 of the rod 7.
  • the connecting rod 8 and the rod 7 have a common axis of rotation on the first rod. longitudinal element 5.
  • the rod 8 is arranged offset from the longitudinal axis of the support leg 3.
  • the support leg 3 comprises lugs 19 receiving a transverse axis constituting the axis of rotation 14 of the end This arrangement allows the second module to include a locking element in the position of use.
  • the seat comprises two second rotatable modules.
  • the second two modules are arranged symmetrically on either side of the first module.
  • headquarters support is improved, in particular by limiting the risks of torsional deformation of the modules.
  • the seat thus comprises two rods 8, 8 'two support legs 3,3' a foot 4.
  • the seat comprises two rods 7, 7 '.
  • Each link 7, 7 ' being arranged on either side of the first and second longitudinal elements 5 -6.
  • the support leg 3 is itself connected, advantageously by its upper end, to the first module, more precisely to the longitudinal element 6, by a hinge comprising an axis of rotation 15.
  • the second module is configured to be locked in rotation in the direction of deployment by a surface contact between the support leg 3 and the connecting rod 8.
  • the surface contact 17 between the two longitudinal elements 5-6 of the first module and advantageously the surface contact 18 between the support leg 3 and the connecting rod 8 prevent the seat from continuing to swing in the direction of deployment 26.
  • the rotation in the direction of retraction 27 is always possible.
  • the transfer of the weight of the user on the seat 1 on the first module and the second module promotes the surface contacts and thus the blocking position of use of the seat.
  • the axes of rotation 13-14 of the joints of the rod 8 are parallel to each other and perpendicular to the vertical plane in which the first and the second module are movable in rotation.
  • the axes of rotation 9 to 15 of the first and second modules are parallel to each other and perpendicular to the vertical plane in which said modules are rotatable.
  • the support leg 3 is intended to be in surface contact with the ground 16, in particular at the end of deployment of the seat.
  • the support leg comprises a foot 4 extending transversely to the lower end of the support leg 3 so as to be in surface contact with the ground 16.
  • the seat comprises two support legs 3 and 3 'fixed at their lower ends to a common foot 4.
  • the foot 4 is provided with a non-slip coating intended to promote contact with the ground 16 and thus the holding in position use, that is, deployed from the seat.
  • the weight of the user exerted on the seat 1 is transmitted to the first module and the second module.
  • the weight transmitted to the second module is taken by the support leg 3 and the foot 4.
  • the foot 4 is disposed vertically above the seat 1 and preferably behind the seat 1, that is to say, beyond the user when the user is in a sitting-standing position.
  • the seat comprises a spring element advantageously allowing automatic return of the use position to the storage position of the seat, or to assist the user in reducing the effort related to this movement.
  • the return force of the spring is configured to be less than the force exerted by the weight of the user on the seat 1.
  • the restoring force is advantageously greater than the weight of the seat in the deployed position.
  • the spring element is disposed between the first module and the fixed support 2, alternatively, the spring element can be arranged between the first module and the furniture of the workstation for example when the seat is secured to a piece of furniture.
  • the seat comprises a device for adjusting the height of the seat 1.
  • the device comprises studs 21 mounted transversely on the vertical upright 24 of the bracket 22.
  • the pads 21 are symmetrically arranged in pairs along the vertical upright 24.
  • the studs 21 may comprise numbers or be colored to facilitate the adjustment of the height.
  • the vertical upright 24 is configured to slide in the second longitudinal element 6.
  • the second longitudinal element 6 comprises an inner slide intended to receive the vertical upright 24 and the pads 21.
  • the vertical upright 24 is rotatable along its longitudinal axis.
  • the studs 21 and the slide are complementary so as to allow the sliding of the vertical upright 24 when the studs 21 are aligned with the end openings of the slides and conversely preventing the sliding of the vertical upright 24 when the pads 21 are not not aligned with the end openings of the slides.
  • the second longitudinal element 6 comprises at its upper end, a hood closing the slide and in which slides the vertical upright 24.
  • the cover comprises slots of complementary shape of the pads 21 so as to allow the sliding of the vertical upright 24 when the pads 21 are aligned with the slots and vice preventing the sliding of the vertical upright 24 when the pads 21 are not aligned with the slots.
  • the vertical upright 24 is slidable in the second longitudinal element 6 when the seat is in the retracted position.
  • the vertical upright 24 is locked in the second longitudinal member 6 when the seat is in the deployed position and the seat 1 is configured to receive the buttocks of the user.
  • the rotation of the vertical upright 24 along its longitudinal axis is controlled by two stops 20 disposed on the cover and coming into contact with the pads 21 to prevent rotation of the vertical upright 24 over more than 180 °.
  • the seat 1 can be used as in the position illustrated in Figure 2, that is to say that the seat 1 is between the first module and the second module, that is to say the same side that a fixed point such as the base 2 relative to the first module, it will say in the internal position.
  • the seat can be used in the so-called external position, that is to say that it is in a symmetrical position on the longitudinal element 6, with respect to FIG. 2; the seat 1 always supporting the user, positioned on the other side of the first module. Therefore, the seat 1 is configured to allow user support in both the internal and external positions.
  • the seat 1 In the position of use, the seat 1 is disposed substantially perpendicular to the vertical plane in which the first and the second module are movable.
  • the seat 1 In the storage position the seat 1 can remain in the same plane perpendicular to the vertical plane in which the first and the second module are movable or be folded parallel to said vertical plane as shown in Figure 1. This last position is advantageous when the seat is fixed on a piece of furniture so the seat 1 is applied on a side wall of the furniture.
  • the longitudinal elements 5 - 6, the rod 7, the support leg 3, the connecting rod 4 and the stem are circular section tubes without being limiting. Some may be of different sections such as including square.
  • the first module extends in the vertical plane in which it is rotatable.
  • the second module is mainly contained in a vertical plane identical to or parallel to that of the first module and in which it is rotatable, with the exception of the foot 4 which is parallel to the ground.
  • the seat has optimum ergonomics, allowing the user to move very easily and quickly from the sitting-standing position in support of the seat 1, to a standing position to move, without risk of being embarrassed by elements of the seat at the level of the legs.
  • the invention relates to a method of using the seat.
  • the method comprises the following steps, allowing the transition from the storage position to the use position by a deployment step and vice versa from the use position to the storage position, by a retraction step.
  • the step of deploying the seat comprises tilting the first module in a vertical plane in a direction of rotation said direction of deployment 26 around at least one axis of rotation. This tilting is illustrated by the arrow referenced A1 in FIG. 2.
  • the first module moves away from a vertical position in which the longitudinal elements 5-6 are close to a vertical position.
  • the method comprises the tilting of the second module in a vertical plane identical to or parallel to the vertical plane in which the first module switches. This tilting is illustrated by the arrow referenced A2 in Figure 2.
  • the support leg 3 deviates from the first module following a rotation about at least one axis of rotation 13-15.
  • Simultaneous tilts of the first of the second module are stopped when the two modules can no longer rotate around their axes of rotation, preferably according to the surface contact 17 between the two. longitudinal elements 5-6 of the first module and the surface contact 18 between the support leg 3 and the connecting rod 8.
  • the deployment step then comprises a step of positioning the seat, preferably comprising a step of adjusting the height of the seat 1.
  • the seat 1 is displaced by sliding of the vertical upright 24 of the seat. bracket 22, in the second longitudinal element 6. This sliding is illustrated by the arrow referenced B in Figure 2.
  • the locking position of the seat 1 is advantageously made by rotation of the seat 1 about its longitudinal axis . This movement is illustrated by the arrow referenced C in FIG.
  • the seat 1 comprises a handle 25 facilitating the deployment of the seat.
  • the method preferably comprises a step of retracting the seat from a use position to a storage position.
  • the seat comprises a spring element for automatic retraction
  • the fact that the user stops pressing the seat 1 is enough to engage the steps of retraction of the seat.
  • the step of retracting the seat comprises tilting the first module in a vertical plane in the direction of rotation said direction of retraction 27, around at least one axis of rotation.
  • This switch is the opposite of that referenced A1.
  • the first module is close to a vertical position in which the longitudinal elements 5 - 6 are close to a vertical position.
  • the method comprises the tilting of the second module in a vertical plane identical to or parallel to the vertical plane in which the first module switches. This tilting is the opposite of that illustrated by the arrow referenced A2 in Figure 2.
  • the support leg 3 is close to the first module following a rotation about at least one axis of rotation 13-15.
  • the retraction step then comprises a step of positioning the seat, preferably comprising a step of reducing the height of the seat 1.
  • the unlocking of the seat 1 is achieved advantageously by rotating the seat 1 about its longitudinal axis. This movement is the opposite of that illustrated by the arrow referenced C in Figure 2.
  • the seat 1 is moved by sliding of the vertical upright 24 of the bracket 22 in the second longitudinal member 6. This sliding is the opposite of that illustrated by the arrow referenced B in Figure 2.

Landscapes

  • Special Chairs (AREA)
  • Seats For Vehicles (AREA)
EP19716185.4A 2018-04-19 2019-04-12 Einziehbarer sitz für hockposition Active EP3780997B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19716185T PL3780997T3 (pl) 2018-04-19 2019-04-12 Składane siedzisko do zajmowania pozycji półstojącej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853475A FR3080267B1 (fr) 2018-04-19 2018-04-19 Siege escamotable pour une position assis-debout
PCT/EP2019/059393 WO2019201760A1 (fr) 2018-04-19 2019-04-12 Siège escamotable pour une position assis-debout

Publications (2)

Publication Number Publication Date
EP3780997A1 true EP3780997A1 (de) 2021-02-24
EP3780997B1 EP3780997B1 (de) 2022-03-09

Family

ID=62948241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19716185.4A Active EP3780997B1 (de) 2018-04-19 2019-04-12 Einziehbarer sitz für hockposition

Country Status (12)

Country Link
US (1) US11382431B2 (de)
EP (1) EP3780997B1 (de)
KR (1) KR102689367B1 (de)
CN (1) CN112118772B (de)
AU (1) AU2019254379B2 (de)
CA (1) CA3096755A1 (de)
DK (1) DK3780997T3 (de)
ES (1) ES2915626T3 (de)
FR (1) FR3080267B1 (de)
PL (1) PL3780997T3 (de)
PT (1) PT3780997T (de)
WO (1) WO2019201760A1 (de)

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KR101486188B1 (ko) 2014-01-13 2015-01-26 인제대학교 산학협력단 회전접이식 적층형 벤치
FR3017787B1 (fr) 2014-02-25 2016-08-12 Prodergo Dispositif ergonomique de maintien en position debout ou assis-debout
FR3019019B1 (fr) 2014-03-25 2017-01-20 Prodergo Dispositif de maintien corporel en position debout ou assis-debout ou assis
FR3022443B1 (fr) 2014-06-20 2018-05-25 Mobiiuz Dispositif d'aide a la position debout ou assis-debout.
FR3023146B1 (fr) 2014-07-07 2018-11-09 Mobiiuz Socle avec repose-pieds, et dispositif de maintien corporel comportant ce socle
CN204670712U (zh) 2015-06-04 2015-09-30 四川农业大学 旋转桌凳柜
CN105064334A (zh) 2015-08-05 2015-11-18 上海盾构设计试验研究中心有限公司 一种钻孔灌注桩的施工方法
CN205548046U (zh) * 2016-03-30 2016-09-07 赵栋 收起时折叠紧凑的休闲椅
US10716405B2 (en) * 2018-05-02 2020-07-21 David Pearson Assistive device for standing tasks

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AU2019254379A1 (en) 2020-12-10
DK3780997T3 (da) 2022-06-13
KR102689367B1 (ko) 2024-07-30
PT3780997T (pt) 2022-06-02
PL3780997T3 (pl) 2022-06-27
CA3096755A1 (fr) 2019-10-24
FR3080267B1 (fr) 2020-04-24
KR20210005105A (ko) 2021-01-13
US11382431B2 (en) 2022-07-12
US20210161298A1 (en) 2021-06-03
FR3080267A1 (fr) 2019-10-25
CN112118772A (zh) 2020-12-22
WO2019201760A1 (fr) 2019-10-24
ES2915626T3 (es) 2022-06-24
AU2019254379B2 (en) 2025-02-06
CN112118772B (zh) 2024-03-29
EP3780997B1 (de) 2022-03-09

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