EP1489945B1 - Ergonomisches sitzmodul und sitz mit einem solchen modul - Google Patents
Ergonomisches sitzmodul und sitz mit einem solchen modul Download PDFInfo
- Publication number
- EP1489945B1 EP1489945B1 EP03719045A EP03719045A EP1489945B1 EP 1489945 B1 EP1489945 B1 EP 1489945B1 EP 03719045 A EP03719045 A EP 03719045A EP 03719045 A EP03719045 A EP 03719045A EP 1489945 B1 EP1489945 B1 EP 1489945B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- pommel
- seating module
- plane
- module according
- 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.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims abstract description 23
- 210000003127 knee Anatomy 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 description 7
- 238000005339 levitation Methods 0.000 description 6
- 230000005802 health problem Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 3
- 210000001217 buttock Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 208000008930 Low Back Pain Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000397921 Turbellaria Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
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
-
- 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
-
- 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
- A47C7/28—Seat parts with tensioned springs, e.g. of flat type
- A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
-
- 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
- A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects
- A47C9/005—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects with forwardly inclined seat, e.g. with a knee-support
Definitions
- the present invention relates to seats, both those intended to be static, such as chairs, chairs or stools, etc to equip vehicles. It relates, more particularly, both an ergonomic seat module and a seat equipped with this module.
- the saddle In the static seats, the saddle is generally formed of a rigid material plate, which is optionally covered with a cushion. This saddle can be completed by a backrest and armrests. Certain seats, more particularly intended for persons working at an office, for example, by means of a computer, comprise articulations and elastic members making it possible to incline more or less the saddle and the backrest.
- the document GB-A-2176396 shows for example such a seat.
- the saddles of bicycles or motor-cycles generally comprise a rigid frame, comprising a pommel and a cantle, and a piece, generally triangular in shape connecting the pommel to the cantle and forming the support surface.
- This piece has a certain flexibility allowing adaptation to the position of the user, defined by the adjustment of the different parts of the vehicle.
- Saddles of this type have been arranged on fixed supports, in order to make static seats. If, in general, the comfort of a bicycle seat is not disputed, the application of the same principle to a fixed seat is unconvincing. it probably comes from the fact that, in a static situation, the user's organs, in contact with the saddle, remain fixed, while on a bicycle, they are in quasi-permanent movement.
- the object of the present invention is to provide a seat with an ergonomic saddle that practically forces the user to take a posture in which his levitation muscles are naturally and automatically solicited, thus avoiding health problems.
- the present invention also relates to a seat provided with a support in contact with the ground and a seat module as defined above, characterized in that the support comprises an arm extending towards the front and towards the top and carrying a crossbar forming a support to the knees of the user and padded to form a cushion.
- the seat module - or saddle - essentially comprises a frame 10, a fork-shaped frame 12, a hinge 14 connecting, in an articulated manner, the frame 10 and the fork 12, and an elastic membrane 16, visible only in Figures 3 and 4.
- the seat has a symmetrical structure with reference to a vertical plane passing through the lines II-II of Figures 1 and 3.
- the frame 10 has, in plan, the shape of a T, whose leg 18, placed in the axis 11-11, extends forward and is curved upwards to end by a knob 20.
- the arms 22 of the T perpendicular to the axis, have their ends 22a raised and pierced with a hole not visible in the drawing.
- the frame 10 has a central portion 24 provided with holes 24a for fixing the saddle on a support, as will be explained later.
- the fork 12 has, in plan, the shape of a U axis II-II. Its crossbar 26, slightly raised and curved, acts as a cantle and its two teeth 28 extend forward substantially to the knob 20, below him, a few centimeters.
- the tip of the cantle 26 is substantially at the same height as the knob 20, and that the fork 12 is inclined forwardly of an angle d about 10 ° to the ground.
- the teeth 28 of the fork are provided, substantially in their middle, a lug 30 extending downward, each adjacent to one end 22a of the frame and provided with a coaxial hole. Bearings engaged in these holes and rods, engaged in the bearings, form the hinge 14 which thus allows the fork 12 to pivot relative to the frame 10 about an axis A-A.
- the frame 10 and the fork 12 are made respectively of aluminum and steel.
- the membrane 16 may be made of any elastic material, for example PVC, in the form of fabric, as shown in FIGS. 3 and 4, or of film, of a piece or in strips.
- a first set of strips 16a connects the knob 20 to the cantle 26
- a second assembly 16b interconnects the two teeth 28, this second set covering the first
- a third assembly 16c connects the ends of the teeth 28 to the pommel 20.
- the saddle according to the invention may advantageously be completed by a pancake 32, forming a cushion, completely covering the membrane 16 and fixed thereto permanently or removably.
- This slab may consist of a fabric envelope containing an elastic padding or formed of a gel.
- it is provided with a longitudinal groove 34 extending over the entire length of the cushion. In this way, the coccyx of the occupant of the saddle is not compressed, which improves its comfort and avoids certain damage, especially in the spine.
- FIG. 5 shows that the previously described seat module makes it possible to equip a seat formed with a support 36 which comprises, in known manner, a telescopic central column 38 and radially arranged feet 40, each provided with a wheel 42
- the column 38 carries, at its upper end, a seat module 44 according to the invention, which is fixed by its frame 10.
- Such a seat thus forming a stool, can advantageously be used by people working essentially in the "active" position, for example a dentist or a watchmaker. It can be completed, as shown on this figure, by a backrest 46 fixed to the trousseau 26 and allowing to take a position "passive".
- a transverse support bar 48 for the knees preferably padded and covered with a fabric or leather, so that the contact is pleasant .
- This bar is fixed to the support 36, permanently or removably, by means of an arm 50.
- the latter has a wheel 42 and is advantageously pivotally or slidingly connected to the support 36, so that it can be retracted. when the user must often leave his seat.
- the arm 50 is fixed to the support 36 in the vicinity of the feet 40, very close to the ground. In this way, it does not interfere with the movement when the user sits in or leaves the seat.
- the seat module 44 can be hingedly mounted on the column 38 by means of a conventional mechanism 52 of adjustable seat rocker which benefits an armrest 54.
- the fork 12 will accompany his movement, allowing him to adjust his posture in a process of self-levitation that helps strengthen the muscles of lift and tends to reduce the risk of health problems, as mentioned above.
- the fork 12 tilts backwards, so that it is in a posture for which all his musculature is at rest.
- This automatic adjustment provides optimal comfort due to the fact that the weight of the user is distributed very evenly over the buttocks and the back of the thighs.
- the seat according to the invention allows, in the "active" position, adjustments of the posture favoring the work of the muscles of auto-levitation, while in “passive” position, these muscles can relax .
- Both the seat module and the seat described above can be the subject of many variants. It is, for example, possible to provide adjusting members and, more particularly, stops (not shown) limiting, on both sides, the tilting movement of the fork 12 on the frame 10.
- the knob 20 can also be provided with means for modifying its position with reference to the frame 10. It is also possible to envisage an asymmetric structure, intended for a disabled user, either at the level of the wafer 32 or in the shape of the trumpet 26.
- the articulated connection, by the hinge 14, between the frame 10 and the fork 12, can be provided by means of a ball joint.
- the self-levitation mechanism will be carried out from front to back as well as from side.
- the position of the hinge 14 can also advantageously be adjustable in the front-rear directions, so that it is perfectly aligned with the ischions when the user is seated.
- the saddle 44 is advantageously fixed to the support 36 by its frame 10. It is also conceivable to secure the fixation by the cantle 26 itself.
- the spring function provided by the elastic membrane 16 may also be reinforced by springs arranged specifically for this purpose, for example torsion, traction or compression.
Landscapes
- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Switches With Compound Operations (AREA)
- Chairs Characterized By Structure (AREA)
- Push-Button Switches (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Claims (10)
- Sitzmodul für einen Sitz, dadurch gekennzeichnet, dass es Folgendes umfasst:- ein Gestell (10) mit einem Vorderzwiesel (20),- einen Rahmen (12), der über dem Gestell angeordnet und mit einem Hinterzwiesel (26) versehen ist, wobei das Gestell und der Rahmen eine Symmetrieebene darstellen,- Mittel zum Verbinden des Rahmens mit dem Gestell, die ein Gelenk (14) aufweisen, dank dessen der Rahmen (12) bezüglich des Gestells (10) um eine senkrecht zur Symmetrieebene verlaufende Achse kippen kann, und- einen Sitz, der den Rahmen (12) mit dem Vorderzwiesel (20) verbindet und aus einer elastischen Membran (16) besteht, deren Aufgabe darin besteht, eine Ruheposition des Rahmens (12) bezüglich des Gestells (10) zu definieren und danach zu streben, ihn in diese Position zurückzubringen, wenn ein Benutzer ihn in der einen oder der anderen Richtung zum Kippen gebracht hat.
- Sitzmodul nach Anspruch 1, dadurch gekennzeichnet, dass der Rahmen (12) in Ruheposition in einem Winkel von ungefähr 10° zum Fußboden nach vorne geneigt ist.
- Sitzmodul nach Anspruch 1, dadurch gekennzeichnet, dass das Gestell (10) in Draufsicht T-förmig ist, wobei sich der in der Symmetrieebene angeordnete Schenkel (18) nach vorne erstreckt, nach oben gebogen ist und in dem Vorderzwiesel (20) endet.
- Sitzmodul nach Anspruch 3, dadurch gekennzeichnet, dass die Enden (22a) der Arme (22) des T aufgerichtet sind, um das Gelenk mit dem Gestell (10) zu bilden.
- Sitzmodul nach Anspruch 1, dadurch gekennzeichnet, dass der Rahmen (12) eine Gabel ist, die in Draufsicht U-förmig ist, wobei ihre Achse in der Symmetrieebene liegt, ihr aufgerichteter Quersteg (26) den Hinterzwiesel bildet und ihre beiden Zinken (28) sich im Wesentlichen bis zum Vorderzwiesel (20) unter diesem nach vorne erstrecken.
- Sitzmodul nach Anspruch 5, dadurch gekennzeichnet, dass die Membran (16) nach einer zur Symmetrieebene senkrechten Linie eine konvexe Tragfläche und nach einer in dieser Ebene liegenden Linie eine konkave Tragfläche bildet.
- Sitzmodul nach Anspruch 6, dadurch gekennzeichnet, dass die Membran (16)- zwischen dem Vorderzwiesel (20) und dem Hinterzwiesel (26),- zwischen den beiden Zinken (28) der Gabel (12) und- zwischen den Enden der Zinken (28) und dem Vorderzwiesel (20)befestigt ist.
- Sitzmodul nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Membran (16) mit einer das Kissen bildenden Platte (32) bedeckt ist.
- Sitzmodul nach Anspruch 8, dadurch gekennzeichnet, dass die Platte (32) eine Längsnut (34) aufweist, die einen Raum zur Aufnahme des Steißbeins des Benutzers bilden soll.
- Sitz mit einem Ständer (36) in Kontakt mit dem Fußboden und einem Sitzmodul (44) nach einem der Ansprüche 1 bis 9, das auf dem Ständer befestigt ist, dadurch gekennzeichnet, dass der Ständer einen Arm (50) aufweist, der sich nach vorne und oben erstreckt und eine Querstange (48) trägt, die eine Stütze für die Knie des Benutzers bildet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03719045A EP1489945B1 (de) | 2002-04-02 | 2003-03-14 | Ergonomisches sitzmodul und sitz mit einem solchen modul |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02405251A EP1350447A1 (de) | 2002-04-02 | 2002-04-02 | Ergonomisches Sitzmodul und Sitz versehen mit dergleichen |
EP02405251 | 2002-04-02 | ||
PCT/IB2003/001899 WO2003082057A1 (fr) | 2002-04-02 | 2003-03-14 | Module d'assise ergonomique et siege equipe d'un tel module |
EP03719045A EP1489945B1 (de) | 2002-04-02 | 2003-03-14 | Ergonomisches sitzmodul und sitz mit einem solchen modul |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1489945A1 EP1489945A1 (de) | 2004-12-29 |
EP1489945B1 true EP1489945B1 (de) | 2007-09-05 |
Family
ID=27838205
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02405251A Withdrawn EP1350447A1 (de) | 2002-04-02 | 2002-04-02 | Ergonomisches Sitzmodul und Sitz versehen mit dergleichen |
EP03719045A Expired - Lifetime EP1489945B1 (de) | 2002-04-02 | 2003-03-14 | Ergonomisches sitzmodul und sitz mit einem solchen modul |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02405251A Withdrawn EP1350447A1 (de) | 2002-04-02 | 2002-04-02 | Ergonomisches Sitzmodul und Sitz versehen mit dergleichen |
Country Status (8)
Country | Link |
---|---|
US (1) | US7287815B2 (de) |
EP (2) | EP1350447A1 (de) |
JP (1) | JP4332034B2 (de) |
AT (1) | ATE372073T1 (de) |
AU (1) | AU2003223073A1 (de) |
DE (1) | DE60316129T2 (de) |
ES (1) | ES2294274T3 (de) |
WO (1) | WO2003082057A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7396079B2 (en) * | 2005-03-08 | 2008-07-08 | Steelcase Inc. | Seating with shape-changing back support frame |
CA2743455C (en) * | 2007-12-31 | 2016-03-22 | Pr Sella B.V. | Pivotable seat |
NL2002388C2 (nl) * | 2007-12-31 | 2009-08-12 | Pr Sella B V | Instelbare rugleuning. |
DE102009009287A1 (de) * | 2009-02-17 | 2010-09-09 | Uhlenbrock, Christel | Sitzmöbel, insbesondere Bürodrehstuhl |
FR2973336A1 (fr) * | 2011-03-30 | 2012-10-05 | Expliseat Sas | Siege d'aeronef a dossier flexible |
JP6015717B2 (ja) | 2014-07-08 | 2016-10-26 | トヨタ自動車株式会社 | 車両用シート |
US20160066695A1 (en) * | 2014-09-05 | 2016-03-10 | Zenithen USA LLC d/b/a Z Company | Elastic belt chair rest part |
GB2530297B (en) * | 2014-09-18 | 2019-06-05 | Perch Dynamic Solutions Ltd | A chair back |
US10194750B2 (en) | 2015-04-13 | 2019-02-05 | Steelcase Inc. | Seating arrangement |
US11259637B2 (en) | 2015-04-13 | 2022-03-01 | Steelcase Inc. | Seating arrangement |
US10966527B2 (en) | 2017-06-09 | 2021-04-06 | Steelcase Inc. | Seating arrangement and method of construction |
JP6826043B2 (ja) | 2015-04-13 | 2021-02-03 | スティールケース インコーポレイテッド | 着座用構成体 |
US10383448B1 (en) | 2018-03-28 | 2019-08-20 | Haworth, Inc. | Forward tilt assembly for chair seat |
EP3927215A4 (de) | 2019-02-21 | 2023-03-15 | Steelcase Inc. | Körperstützanordnung und verfahren zur verwendung und montage davon |
US11357329B2 (en) | 2019-12-13 | 2022-06-14 | Steelcase Inc. | Body support assembly and methods for the use and assembly thereof |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4552404A (en) * | 1983-10-12 | 1985-11-12 | Congleton Jerome J | Neutral body posture chair |
NO161241C (no) * | 1985-02-18 | 1989-07-26 | Hans Chr Mengshoel | Anordning til bruk ved knelelignende sittestilling. |
GB8514889D0 (en) * | 1985-06-12 | 1985-07-17 | Mcdowall Ltd Wallace | Posture support chair |
NO175613C (no) | 1988-12-13 | 1994-11-09 | Peter Opsvik | Anordning ved en stol, f.eks. en kombi-stol |
US5542746A (en) * | 1994-03-17 | 1996-08-06 | Bujaryn; L. Walter | Variable posture component system seating device |
AUPM891294A0 (en) * | 1994-10-19 | 1994-11-10 | Dixon, Barry James | Improvements to chairs |
US5669669A (en) * | 1996-01-25 | 1997-09-23 | Usher; Gregory Jerome | Child's balance seat |
JPH1017289A (ja) * | 1996-03-21 | 1998-01-20 | Linde Ag | 作業機械のための運転座席 |
US6231125B1 (en) * | 1997-12-26 | 2001-05-15 | Ts Tech Co., Ltd. | Seat with resilient sheet-formed seat cushion |
US6113186A (en) * | 1999-05-21 | 2000-09-05 | Chromcraft/Revington Company | Multiple seat assembly I |
DE10009264A1 (de) * | 2000-02-26 | 2001-09-13 | Martin Woltermann | Stuhl mit Sitz, Rücken und Sitzträger bildender federnder Schale |
-
2002
- 2002-04-02 EP EP02405251A patent/EP1350447A1/de not_active Withdrawn
-
2003
- 2003-03-14 EP EP03719045A patent/EP1489945B1/de not_active Expired - Lifetime
- 2003-03-14 AU AU2003223073A patent/AU2003223073A1/en not_active Abandoned
- 2003-03-14 DE DE60316129T patent/DE60316129T2/de not_active Expired - Lifetime
- 2003-03-14 ES ES03719045T patent/ES2294274T3/es not_active Expired - Lifetime
- 2003-03-14 US US10/510,456 patent/US7287815B2/en not_active Expired - Fee Related
- 2003-03-14 JP JP2003579608A patent/JP4332034B2/ja not_active Expired - Fee Related
- 2003-03-14 AT AT03719045T patent/ATE372073T1/de not_active IP Right Cessation
- 2003-03-14 WO PCT/IB2003/001899 patent/WO2003082057A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
WO2003082057A1 (fr) | 2003-10-09 |
DE60316129T2 (de) | 2008-06-05 |
DE60316129D1 (de) | 2007-10-18 |
EP1350447A1 (de) | 2003-10-08 |
EP1489945A1 (de) | 2004-12-29 |
AU2003223073A1 (en) | 2003-10-13 |
US7287815B2 (en) | 2007-10-30 |
ATE372073T1 (de) | 2007-09-15 |
JP4332034B2 (ja) | 2009-09-16 |
ES2294274T3 (es) | 2008-04-01 |
JP2005521443A (ja) | 2005-07-21 |
US20050116527A1 (en) | 2005-06-02 |
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