EP0531208B1 - Steharbeitssitz - Google Patents

Steharbeitssitz Download PDF

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Publication number
EP0531208B1
EP0531208B1 EP92402393A EP92402393A EP0531208B1 EP 0531208 B1 EP0531208 B1 EP 0531208B1 EP 92402393 A EP92402393 A EP 92402393A EP 92402393 A EP92402393 A EP 92402393A EP 0531208 B1 EP0531208 B1 EP 0531208B1
Authority
EP
European Patent Office
Prior art keywords
seat
rest
seat according
column
base
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
Application number
EP92402393A
Other languages
English (en)
French (fr)
Other versions
EP0531208A1 (de
Inventor
Jacques Morel
Guy Duprat
Laurent Elias
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.)
Biens (sarl) Ste
Original Assignee
Biens (sarl) Ste
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Filing date
Publication date
Application filed by Biens (sarl) Ste filed Critical Biens (sarl) Ste
Publication of EP0531208A1 publication Critical patent/EP0531208A1/de
Application granted granted Critical
Publication of EP0531208B1 publication Critical patent/EP0531208B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the present invention relates to a seat intended for standing work.
  • a seat for standing work comprising a flat seat surface extended by a basin support of convex shape; this seat is supported by a frame having either a central column provided with a star base with several branches, or an upright with two branches, arranged in "V" or "lambda”, and which are each provided with a horizontal cross member resting on the ground so that the seat user can rest his feet on the cross member located at the front.
  • a seat for standing work comprising a seat of particular shape providing both a buttock support rearward and a thigh support forward; in this last patent, several types of bases are proposed which are intended to receive this seat at the end of a vertical upright, or slightly inclined towards the front, which is bent at its lower part to join the middle zone of a "U" -shaped base, which is provided with a set of four rollers rolling on the ground to facilitate movement of the seat.
  • the "U" -shaped base fitted with its casters must be equipped, in order to be firmly held on the ground, with a rear spoiler preventing it from moving back when the user approaches the 'sitting, which is not enough to ensure correct safety; in addition, the "U” of the base has a generally angular, square or triangular shape, therefore having straight edges around which the seat can easily still tilt.
  • the present invention aims to remedy these drawbacks by proposing a seat intended for standing work, comprising a seat fixed to the upper end of a column inclined from bottom to top and from rear to front of the seat, said column being connected, by its lower end, in the central part of a horizontal base in the form of a horseshoe arch, or "horseshoe", and open towards the front of said seat so that the plumb of said seat is located just at or behind the virtual line joining the two ends of this same arc.
  • the arch of the base is an overstepped semi-circle, so that at the front of the base, this arc is slightly re-entrant.
  • the clearance provided under the seat by the inclination of the column and by the arched opening of the base allows not to clutter the area where the feet of the user rest. Furthermore, the fact that the base has no edge capable of materializing, on the ground, an axis of tilting of the seat, the latter is particularly stable. Safety against overturning is further improved by the judicious arrangement of the horizontal position of the seat supported by the inclined column. So the center gravity of the seat, which normally passes through the seat, is, according to the invention, perpendicular to the surface delimited on the ground by the arch of the base; any lateral instability of the seat is therefore immediately compensated for by a counterbalancing effect bringing the seat back to its normal equilibrium position. This same effect is also apparent for a tilting caused towards the front of the seat, in particular in the preferred configuration of the invention for which the arc of the circle forming the base is slightly greater than 180 °.
  • the base consists of a tube, normally round, bent in an arc of a circle with a diameter of about 50 cm, the two ends of said tube being spaced apart by a lesser distance. that said diameter and greater than the average spacing of the two feet of a person likely to use the seat, is normally 40 cm.
  • the two ends of the tube forming the seat base are provided with plugs of a non-slip material, offering resistance to sliding on the ground; if necessary, a set of additional non-slip pads are distributed under said tube.
  • the inclination towards the rear of the column supporting the seat is not a hindrance as to the stability of the seat with respect to the forces which would tend to cause it to recede; we have even seen that, on a relatively smooth and tiled floor, the only two end caps of the base were sufficient to prevent any sliding.
  • the seat shown in the figures comprises, in accordance with the present invention, a seat 1 fixed to the upper end of a column 2, inclined from bottom to top and from rear to front of the seat, and supported, at its lower end , by a base or base 3, in the form of an arched circular arc.
  • this base 3 is formed by bending a tube of normally circular section, which is advantageously ballasted, and the two ends of which are provided with plugs 4 preferably made of an anti-slip material.
  • column 2 can vary by a few degrees around an average value of 20 degrees from the vertical, but this value is not imperative and depends, to a large extent, on two main dimensioning factors, know the diameter of the arch of the base 3 and the average height of the column 2, so that the vertical plumb of the seat 1 never exceeds the virtual line connecting the two plugs 4.
  • column 2 is provided with a telescopic adjustment means 5 for the height of the seat 1 which, at most, reaches 90 cm; the adjustment means 5, for example by gas spring, is controlled by a locking mechanism 6 known per se, in particular for professional chairs.
  • Figures 1 and 3 show respectively, schematically, the seat with the column 2 in the low position, the user leaning on the seat 1 with the knees bent, and the seat with the column 2 in the high position , the user with outstretched legs.
  • the seat 1 has the shape of a horizontal cylinder, rigidly fixed to the right of the column 2 so that said seat 1 is not orientable relative to the axis of said column 2; this avoids any misuse of the seat, which should normally be used for the forces to be exerted in the axis of column 2.
  • the cylinder forming the seat 1 may advantageously have a radius of 5 cm corresponding substantially to the mean curve described by the anterior face of the ischial bone; in this way, the support of the buttocks on the seat 1 may be entirely arbitrary, either very forward or very backward on said seat 1, the curvature of the latter corresponding in all cases to an anatomical position offering maximum user comfort.
  • This very neutral profile of the seat 1 is therefore particularly suitable for a seat intended for work in a standing position, for which it is well known that the postures of the users are very varied having regard to their muscle tone, to the length of their legs, and their state of fatigue.
  • the axis of the column 2 passes through a diameter of the seat 1, it is provided that the latter can be tilted forwards or backwards from this same axis, parallel to itself, this in order to provide an even finer adjustment to the user, in particular allowing him to position the cylinder of the seat 1 under his thighs.
  • the comfort of the seat 1 is also improved by the use, in its manufacture, of a firm material, although slightly flexible, providing support naturally adapted to the anatomy of the buttocks and the pelvis.
  • the width of the seat 1 is provided so that the user, once seated, can, if desired, put his hands on each side of his thighs.
  • the seat 1 is provided with a rear spoiler 7 providing some users with pelvis support.
  • This spoiler 7 can extend over the entire length of the seat 1 or only on its central part.
  • this spoiler 7, which can be connected continuously to the cylinder of the seat 1, is preferably hollowed out, that is to say it comprises two lateral arms 8 supporting, towards the rear of the seat (1), a basin support 9 can be flat, curved or, as shown in Figure 4, simply cylindrical; in the latter case, the diameter of the cylinder forming the pelvis support 9 is much less than that of the cylinder forming the seat 1.
  • the recess of the rear spoiler 7 is in particular intended to facilitate gripping of the seat, and also serves to delimit a bowl in which some users can more or less put their buttocks.
  • the seat according to the present invention is not only very safe but also considered to be very comfortable by the users who, due to its variable geometry, both in height and in seat inclination 1, their allow to choose a variable anatomical position corresponding to their build and their state of fatigue; in this regard, this variability in the possibilities of using the seat allows, in the event of significant muscle fatigue, to find an analgesic position almost immediately.

Landscapes

  • Special Chairs (AREA)
  • Seats For Vehicles (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (14)

  1. Stuhl für das Arbeiten im Stehen mit einem am oberen Ende einer Säule (2) befestigten Sitz (1), wobei die Säule (2) von unten nach oben und relativ zum Sitz von hinten nach vorn geneigt und mit ihrem unteren Ende mit dem mittleren Bereich eines horizontalen Fußteils (3) verbunden ist, dadurch gekennzeichnet, daß das Fußteil hufeisenförmig gebogen und relativ zum Sitz nach vorn offen ausgebildet ist derart, daß der Sitz direkt über oder hinter der gedachten Linie steht, die die beiden Enden des Bogens miteinander verbindet.
  2. Stuhl nach Anspruch 1, dadurch gekennzeichnet, daß der Bogen des Fußteils (3) einen hufeisenförmigen Halbkreis bildet.
  3. Stuhl nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Fußteil (3) aus einem normalerweise runden, zu einem Kreisbogen mit einem Durchmesser von etwa 50 cm gebogenen Rohr besteht, wobei der Abstand zwischen den beiden Enden des Rohres geringer als der genannte Durchmesser, jedoch größer als der mittlere Abstand zwischen den beiden Beinen einer diesen Stuhl benutzenden Person ist.
  4. Stuhl nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß die beiden Endes des das Fußteil (3) des Stuhls bildenden Rohres mit vorzugsweise aus einem rutschhemmenden Material bestehenden Endstücken (4) versehen sind.
  5. Stuhl nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß an der Unterseite des das Fußteil (3) des Stuhls bildenden Rohres insgesamt rutschhemmende Beläge verteilt sind.
  6. Stuhl nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Säule (2) um etwa 20 Grad gegenüber der Vertikalen geneigt ist.
  7. Stuhl nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Säule (2) mit einer Teleskop-Verstelleinrichtung (5) zur Höhenverstellung des Sitzes (1) ausgestattet ist.
  8. Stuhl nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sitz (1) als horizontal verlaufendes zylinderförmiges Element ausgebildet ist, das oben auf der Säule (2) derart starr befestigt ist, daß es sich nicht um die Achse der Säule (2) drehen kann.
  9. Stuhl nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß der den Sitz (1) bildende Zylinder einen Radius von 5 cm aufweist, der im wesentlichen der mittleren Krümmung der Vorderfläche des Sitzbeins entspricht.
  10. Stuhl nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß der Sitz (1) parallel zu seiner Erstreckung relativ zur Achse der Säule (2) nach vorn oder nach hinten kippbar ist.
  11. Stuhl nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß der Sitz (1) einen hinteren Aufsatz (7) aufweist, der Benutzern als Beckenabstützung dienen kann.
  12. Stuhl nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß der hintere Aufsatz (7) eine Aussparung aufweist.
  13. Stuhl nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß der hintere Aufsatz (7) zwei seitliche Schenkel (8) aufweist, die relativ zum Sitz (1) nach hinten versetzt eine Beckenstütze (9) tragen.
  14. Stuhl nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß die Beckenstütze (9) des hinteren Aufsatzes (7) zylindrisch ausgebildet ist.
EP92402393A 1991-09-02 1992-09-02 Steharbeitssitz Expired - Lifetime EP0531208B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9110834A FR2680660B1 (fr) 1991-09-02 1991-09-02 Siege destine au travail debout.
FR9110834 1991-09-02
CA002088559A CA2088559A1 (fr) 1991-09-02 1993-02-01 Siege destine au travail debout

Publications (2)

Publication Number Publication Date
EP0531208A1 EP0531208A1 (de) 1993-03-10
EP0531208B1 true EP0531208B1 (de) 1997-01-02

Family

ID=25675863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402393A Expired - Lifetime EP0531208B1 (de) 1991-09-02 1992-09-02 Steharbeitssitz

Country Status (7)

Country Link
EP (1) EP0531208B1 (de)
AT (1) ATE146947T1 (de)
CA (1) CA2088559A1 (de)
DE (1) DE69216326T2 (de)
DK (1) DK0531208T3 (de)
ES (1) ES2097894T3 (de)
FR (1) FR2680660B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642008C2 (de) * 1996-10-11 2003-01-02 Josef Gloeckl Stehhilfe
DE102007038829B4 (de) 2007-08-16 2009-09-03 Stefan Zoell Vorrichtung zur Körperunterstützung und Verwendung der Vorrichtung in unterschiedlichen Tätigkeitsbereichen eines Benutzers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1417202A (fr) * 1964-09-21 1965-11-12 Siège tel que tabouret
US3414323A (en) * 1967-03-28 1968-12-03 Bernett W. Mitchum Foldable prop rest or seat
DE2837618C2 (de) * 1978-08-29 1983-06-01 F. Biedermann Gmbh & Co Kg, 7450 Hechingen Stehstützvorrichtung
ATE32420T1 (de) * 1983-04-29 1988-02-15 Peter Opsvik Stuetzanordnung.
DE8501655U1 (de) * 1985-01-23 1985-07-18 Schaub, Rolf Arno, 5000 Köln Stehhilfe
US4884842A (en) * 1988-08-08 1989-12-05 Sarah Finkelstein Body supporting chair

Also Published As

Publication number Publication date
DE69216326D1 (de) 1997-02-13
ES2097894T3 (es) 1997-04-16
CA2088559A1 (fr) 1994-08-02
DE69216326T2 (de) 1997-07-17
FR2680660A1 (fr) 1993-03-05
DK0531208T3 (da) 1997-06-30
FR2680660B1 (fr) 1993-12-03
ATE146947T1 (de) 1997-01-15
EP0531208A1 (de) 1993-03-10

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