EP3366161A1 - Siège dynamique actif - Google Patents

Siège dynamique actif Download PDF

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Publication number
EP3366161A1
EP3366161A1 EP17201475.5A EP17201475A EP3366161A1 EP 3366161 A1 EP3366161 A1 EP 3366161A1 EP 17201475 A EP17201475 A EP 17201475A EP 3366161 A1 EP3366161 A1 EP 3366161A1
Authority
EP
European Patent Office
Prior art keywords
chair
bracket
support frame
seat
active
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
EP17201475.5A
Other languages
German (de)
English (en)
Other versions
EP3366161B1 (fr
Inventor
Andreas Ostwald
Dietlind Walger-Hutter
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.)
Aeris GmbH
Original Assignee
Aeris 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 Aeris GmbH filed Critical Aeris GmbH
Priority to EP19160568.2A priority Critical patent/EP3516991B1/fr
Publication of EP3366161A1 publication Critical patent/EP3366161A1/fr
Application granted granted Critical
Publication of EP3366161B1 publication Critical patent/EP3366161B1/fr
Active 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
    • 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
    • A47C3/0252—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame connected only by an elastic member positioned between seat and base frame
    • 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
    • A47C3/021—Rocking chairs having elastic frames
    • A47C3/023—Rocking chairs having elastic frames made of tubular material
    • 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
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • 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

Definitions

  • the invention relates to a Wippmechanik for an active dynamic seating, in particular a seat or a chair to allow a rocking movement of the seat of the chair, and a seating, which is equipped with such a rocker mechanism.
  • Back and forth tiltable or movable seating devices and chairs are z. B. already known in the field of stand-up aids and have in the usual design, electrically assisted elements such as actuators, gas cylinder, Springs or other lifting devices. These are controlled by the user or another person and help the user of the furniture by reducing the effort and self-movement when leaving the sitting position. So far, such solutions have mostly been realized by means of sequences of movements over curves around a fixed axis of rotation. In order to maintain the mobility for elderly and restrained persons when getting up and sitting as far as possible, are mainly known products such as chairs, stand-alone support for chairs, o. ⁇ . Used.
  • From practice chairs are also known in which the seat can be tilted together with the backrest, for example, between a working position and a so-called relax position about a tilt axis backwards.
  • the tilting fittings required for this are often expensive and require a considerable height, so that such functional fittings are accepted, for example, on office chairs and similar function chairs, in the home or private sector, however, such functional fittings are often not desirable purely for aesthetic considerations.
  • Such seats offer no movement possibilities in the context of the present invention.
  • the starting point is to allow an active dynamic forward and backward movement and preferably also a movement in the lateral direction on the seat by the seat occupant.
  • a known difficulty is to achieve a coordination of the mobility between the seat and the backrest. It is Z. B. known to provide two relatively movable areas in the backrest by an upper portion of the backrest can be angled towards a lower portion to the rear.
  • a chair with a seat and a backrest, as well as with a base which carries the seat and the backrest, wherein the seat is tiltably mounted relative to the base frame about a horizontal tilting axis, and the backrest two relatively movable and stacked Having regions whose upper region is bendable about an also lying tilting axis relative to the lower region.
  • this solution serves the different adjustability of the tilting movement of the seat and the backrest, so that in particular depending on the body weight of the user, the Kippbewegige the seat and the Kippbewegige the backrest areas are possible, with an adjustment of the actuating forces for the tilting movements of the seat and the backrest are possible ,
  • the proposed tilt and adjustment mechanism is complex and complex, which leads to high costs for such a chair.
  • the invention further aims at a movement pattern which physiognomically corresponds to dynamic sitting most closely.
  • the invention is therefore based on the object to solve the above objects and to provide a chair with a tilt mechanism, which has the other features to be aesthetically pleasing, simple and inexpensive to manufacture and also sufficient stability for seat users with higher body weight in the Ensures movement.
  • a basic idea of the invention is to provide an elastically resilient rocking mechanism, on which a seat part is fastened, in order to enable actively dynamic movements of the seat occupant.
  • the rocker mechanism according to the invention is formed of oppositely arranged, preferably crossing lever arms, by means of which a rocking movement with the seat part forward and backward, and preferably also can take place laterally.
  • a rocker mechanism for a seat is provided for this purpose, as well as a seat with such a rocker mechanism.
  • this is formed with a support frame which carries the seat part with a seat surface, wherein the support frame is formed with the resilient rocker mechanism and thereby the seat part is spring-mounted on the support frame, so that rocking movements of the seat part can be performed.
  • the movement of the seat associated with such a rocking mechanism can be described as a rocking motion with a rotationally reciprocating axis of rotation.
  • the resilient rocking mechanism forms a first bracket comprising at least one lever arm, which is respectively connected to a rear part of the support frame and a second bracket with at least one lever arm, the or each of which is connected to a front part of the support frame, wherein the one or more lever arms of the first bracket substantially in a forward direction (obliquely upward), while the or the lever arms of the second bracket in extending in a substantially rearward direction (obliquely upward).
  • the seat part (or the underside of the seat part) is held on the resilient rocker mechanism so that the seat surface of a starting position both in a forward and backward tilted deflected position against the spring force of elastic Elements can be operated.
  • the front edge of the seat portion is moved downwardly while the rear edge of the seat portion remains at its relative height or is moved upwardly so that a backrest connected to the seat portion tilts forward.
  • the rear edge of the seat part is moved downwards while the rear edge of the seat part remains in its relative height position or is moved downwards so that a backrest connected to the seat part tilts backwards.
  • the elastic elements on which the lever arms are fixed elastically deformed.
  • elastically deformable discs or elastic spacer elements are attached to the brackets or the lever arms at the connection positions with the seat part and more preferably at the connection positions with a support frame or a carrier.
  • the elastic elements can also be formed from a plurality of separate elastic elements, which in a suitable arrangement one above the other at the attachment points or connection positions to the chair part and support frame out are attached.
  • the lever arms are thereby advantageously "sandwiched" surrounded by at least two elastically deformable elements. It is also advantageous if the pretension or the elasticity and / or spring property of the elastically deformable elements can be adjusted by means of an actuating device or adjusting device, so that this has an immediate effect on the movement characteristic of the rocking movement.
  • first and second bracket respectively attachment points are preferably mounted on or provided with elastic spacers on which the seat part is attached.
  • At least one of the bracket has two lever arms and the two lever arms of this bracket are connected by a connecting arm U-shaped with each other.
  • both brackets each have two lever arms and these are connected by a respective connecting arm U-shaped with each other.
  • a bracket projects through the U-shaped opening of the other bracket obliquely, so that the lever arms of the bracket cross over.
  • the further bracket has a holding portion consisting of two retaining arms with which the bracket is respectively connected to the front part of the support frame and a lever arm away from the holding portion, obliquely upward in one direction substantially extends to the rear part.
  • the support frame has four chair legs, which run obliquely from bottom to top (preferably form a pyramid shape) and the brackets are connected to the upper chair leg ends of the chair legs directly or indirectly with these.
  • An immediate connection can z. B. by a top chair legs connecting the top plate or H-shaped connection structure made of the mounting bolts or fasteners are attached to or with which the respective bracket are attached to their holding sections.
  • the one bracket protrudes obliquely high to the rear and the other bracket obliquely high to the front and the lever arms of the two brackets intersect between them.
  • the two brackets are fastened with their respective holding sections indirectly via elastically deformable bearings to connecting means, preferably using elastically deformable spacers on the support frame in each case in the region of the chair leg ends that the elastic properties for the Wippbewegige takes place at least partially or predominantly from the elastic deformability of the elastic spacers or elastically deformable spacer elements.
  • a lower elastically deformable support and an upper elastically deformable clamping disc are preferably provided at the respective attachment points, between which the holding portion of the respective bracket is clamped and that is, as it were, "sandwiched" clamped.
  • the attachment points for attaching the seat part are formed.
  • An end-side portion of the respective bracket is clamped between a seat part side elastically deformable spacer element and an elastically deformable clamping disc and indeed also “sandwiched".
  • the support frame and the rocking mechanism are integrally formed, preferably formed from a tube material.
  • the tubular frame thus obtained also has two u-shaped bracket.
  • the seat part is attached via elastically deformable bearing elements as described above.
  • FIG. 1 a first embodiment of a perspective view of a rocking mechanism 20 is shown and in the FIG. 2 a side view of an alternative rocking mechanism 20th
  • the rocking mechanism 20 is designed to be arranged or integrated on a support frame 10, as shown in FIG. 1 is shown.
  • a support frame 10 which supports the seat 2, wherein the support frame 10 is formed with a resilient rocking mechanism 20.
  • the seat 2 and the whole seat with the seat 2 is tiltably supported on the support frame 10 so that it can not be moved by a pendulum column.
  • the resilient rocker mechanism 20 comprises a first bracket 21 consisting of two lever arms 21 a, 21 b, which are each connected to a rear part 10 h of the support frame 10.
  • the rocking mechanism 20 has a second bracket 22 with a lever arm 22 a, which are connected to a front part 10 v of the support frame 10.
  • the two lever arms 21a, 21b of the first bracket 21 extend substantially in a forward direction
  • the lever arm 22a (or in the embodiment of FIGS Fig. 6 two lever arms 22a, 22b) of the second bracket 22 extend in a substantially rearward or opposite direction.
  • rear in the context of the present invention is meant in each case the area with respect to the chair on which the backrest or the rear chair legs are located while “front” defines the region correspondingly opposite the chair, as does this the figures emerge.
  • the active dynamic chair 1 is preferably configured such that the seat surface 2 on the resilient rocker mechanism 20 is so spring-movably held on the elastically deformable spacers 25, that the seat surface 2 from a starting position both in a forward and backward tilted deflected position against the spring force the elastically deformable spacers 25 can be actuated.
  • FIG. 1 and 2 a configuration is shown in which the two lever arms 21a, 21b of the first bracket 21 are connected by a connecting arm 21c, so that the bracket 21 is configured U-shaped.
  • FIG. 6 an alternative embodiment of a perspective view of a rocking mechanism 20 is shown, in which also the two lever arms 22a, 22b of the second bracket 22 are connected by a connecting arm 22c, so that the bracket 22 is also configured U-shaped.
  • the second bracket 22 has a holding portion 23 consisting of two support arms 23a, 23b, with which the bracket 22 is connected to the front part 10v of the support frame 10 and a lever arm 22a away from the holding portion 23, obliquely upward in one direction Substantially extends to the rear part 10h out.
  • bracket 21, 22 fastening points 24 are formed with elastically deformable spacers 25 to which on the one hand the seat part 2 is fixed and on the other hand, the compounds of the lever arms of the bracket 21, 22 produce.
  • the brackets 21, 22 may be formed integrally or alternatively in several pieces (eg, composed of three individual lever arms).
  • the support frame 10 in the embodiments shown on four chair legs 4, which extend obliquely from bottom to top.
  • the brackets 21, 22 are connected to the upper chair leg ends 4a of the chair legs 4 indirectly via Seabeinan everything 5 with these.
  • the rocking mechanism 20 is mounted on a central chair column 6, to which an otherwise known base 7 with rollers 8 connects.
  • the legs 4 of the base cross 7 also extend obliquely, as in the example FIG. 4 , In the FIG. 6 It can be seen how the chair leg connections 5 are an integral part of the bracket 20.
  • the two brackets 21, 22 are attached with their respective holding portions indirectly via connecting means 26 and using elastic spacers 25 on the support frame 2 in each case in the region of the chair leg ends 4a.
  • the support frame 2 after FIG. 2 is further connected to four chair legs 4, which extend obliquely from bottom to top and to the upper chair leg ends 4 a by means of a connecting plate 50 are interconnected.
  • the four chair leg connections 5 are formed directly in one piece.
  • the Seabeinan getting 5 are designed as cylindrical tubular elements in the open end of the chair leg ends 4 a of the chair legs 4 are inserted and secured. A particularly simple assembly can be achieved by a press fit, so that no mechanical connection materials are needed. Additionally or alternatively, an adhesive method may be used to provide a mechanical connection between the chair legs 4 and the chair leg connections 5.
  • FIGS. 7 and 8th Yet another alternative embodiment of the invention is shown in which the support frame 2 and the rocking mechanism 20 are integrally molded from a tube material.
  • the inventive concept is also realized by the two spring clips 21, 22, which in this embodiment also cross in an X-shaped Arrangement are designed.
  • the invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a number of variants is conceivable, which makes use of the illustrated solution even with fundamentally different types of use.
  • the respective previously described course and the orientation of the bracket can be exactly in the opposite or opposite direction or mirror image.

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
EP17201475.5A 2017-02-22 2017-11-14 Siège dynamique actif Active EP3366161B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19160568.2A EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017103651.2A DE102017103651A1 (de) 2017-02-22 2017-02-22 Aktivdynamisches Sitzmöbel

Related Child Applications (3)

Application Number Title Priority Date Filing Date
EP19160568.2A Division-Into EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif
EP19160568.2A Division EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif
EP19160568.2A Previously-Filed-Application EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif

Publications (2)

Publication Number Publication Date
EP3366161A1 true EP3366161A1 (fr) 2018-08-29
EP3366161B1 EP3366161B1 (fr) 2019-09-18

Family

ID=60320760

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19160568.2A Active EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif
EP17201475.5A Active EP3366161B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19160568.2A Active EP3516991B1 (fr) 2017-02-22 2017-11-14 Siège dynamique actif

Country Status (4)

Country Link
US (1) US10531739B2 (fr)
EP (2) EP3516991B1 (fr)
DE (1) DE102017103651A1 (fr)
DK (1) DK3366161T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD915096S1 (en) * 2019-12-05 2021-04-06 39F Usa Inc Chair
US11197548B2 (en) * 2019-12-16 2021-12-14 Allseating Corporation Reclining control system for a chair
DE102020103226A1 (de) 2020-02-07 2021-08-12 Aeris Gmbh Zweigeteilter Sitz
WO2024077008A1 (fr) * 2022-10-06 2024-04-11 Gci Outdoor Llc Chaise basculante compacte pouvant être rangée

Citations (4)

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US182845A (en) * 1876-10-03 Improvement in rocklngrchairs
US3690725A (en) * 1970-03-11 1972-09-12 Peter S Fletcher Rocking mount for chairs
DE202006005403U1 (de) * 2006-03-31 2006-06-08 Bacher-Tische M. + W. Bacher Gmbh Sitzmöbel
DE202011000805U1 (de) 2011-04-06 2011-09-05 hülsta-werke Hüls GmbH & Co KG Stuhl mit kipp- und torsionsbeweglicher Sitzfläche

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US164811A (en) * 1875-06-22 Improvement in spring-chairs
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US182845A (en) * 1876-10-03 Improvement in rocklngrchairs
US3690725A (en) * 1970-03-11 1972-09-12 Peter S Fletcher Rocking mount for chairs
DE202006005403U1 (de) * 2006-03-31 2006-06-08 Bacher-Tische M. + W. Bacher Gmbh Sitzmöbel
DE202011000805U1 (de) 2011-04-06 2011-09-05 hülsta-werke Hüls GmbH & Co KG Stuhl mit kipp- und torsionsbeweglicher Sitzfläche

Also Published As

Publication number Publication date
DE102017103651A1 (de) 2018-08-23
EP3366161B1 (fr) 2019-09-18
US10531739B2 (en) 2020-01-14
EP3516991B1 (fr) 2020-07-08
US20180235367A1 (en) 2018-08-23
DK3366161T3 (da) 2019-12-16
EP3516991A1 (fr) 2019-07-31

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