EP2617324B1 - Dispositif de guidage de chaise avec plateau basculant - Google Patents

Dispositif de guidage de chaise avec plateau basculant Download PDF

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Publication number
EP2617324B1
EP2617324B1 EP13000017.7A EP13000017A EP2617324B1 EP 2617324 B1 EP2617324 B1 EP 2617324B1 EP 13000017 A EP13000017 A EP 13000017A EP 2617324 B1 EP2617324 B1 EP 2617324B1
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EP
European Patent Office
Prior art keywords
chair
guiding device
tilting plate
housing
spring element
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Application number
EP13000017.7A
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German (de)
English (en)
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EP2617324A1 (fr
Inventor
Josef Trendelkamp
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Individual
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Individual
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    • 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
    • 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
    • A47C1/12—Theatre, auditorium, or similar 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
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs

Definitions

  • a chair guide device of the type mentioned is in DE 10 2010 032 265 A1 have been disclosed by the applicant.
  • the rail guide is arranged in an inclined plane, which has a constant angle of inclination relative to the bottom of the housing, so that the chair seat and thus the chair in the end position is always located higher than in the initial position.
  • the position of the chair can be fixed by means of a holding device holding the carriage.
  • the chair guide itself is rigidly mounted in the oblique plane, so that the displacement of occupied with a person chair can always be done only along the oblique trajectory predetermined thereby.
  • a chair guide with a mounted on an oblique plane rail guide in which the chair receptacle is associated with a braking device by means of which the chair is durable in an adjustable travel position. Also in this device, the oblique trajectory is rigidly fixed.
  • the disclosed braking device is also a complex assembly with complex, additional parts such as spring, cylinder and, magnets. Furthermore, the carriage can not be moved without resistance when the chair is occupied.
  • the object of the invention is therefore to develop a generic chair guide device without the use of a braking device in which the chair carrying the carriage not only automatically returns the unoccupied chair to a predetermined starting position, but also ensures that a person sitting on the chair can move the chair back and forth without having to overcome the downhill caused by an oblique chair guide downgrade force and can hold without continuous force application by the user at each point of the travel.
  • the object of the invention is therefore to develop a generic chair guide device in which the chair carrying the carriage not only automatically returns the unoccupied chair to a predetermined starting position, but also ensures that a person sitting on the chair back and forth can move without having to overcome the downhill caused by an oblique chair guide downhill force while pushing up. Furthermore, it should be possible for the user to maintain the selected chair position at each point of the travel, without this being permanent to apply an opposing force directed against the slope force or to operate a brake device.
  • the tilting plate may also be integrated in the housing or form the bottom of the housing. It is essential that the rail guide is not rigidly arranged but is movable about an axis of rotation. The axis of rotation is preferably directed perpendicular to a defined by the start and end position travel of the carriage.
  • a spring element conceived in the widest sense or another means, for example, but also an eccentric, can be used.
  • the latter can be set in motion, for example via a belt drive.
  • the spring element is preferably as a compression spring arranged between the tilting plate and the bottom.
  • the spring element can also be arranged as a compression spring between the Kippplattenverinrung and a housing cover or integrated into the housing support.
  • the chair guide device allows a nearly resistance-free sliding of the seated person burdened chair, since no height difference is overcome. Furthermore, it is not necessary in this chair guide device that the seated person is supported with his feet on the ground or an additional brake or holding device operated to hold the chair in the desired position.
  • a mechanical spring for example a spiral or disc spring
  • other spring elements such as gas springs, as well as any other resilient or sode elements are conceivable.
  • the bias of the spring is adjustable to suit a setting device. The preloading force should be selected so that the tilting plate is raised in an empty chair in each position of the chair seat between the initial position and the end position and the chair is moved back to the starting position at the low end of the travel path.
  • the spring element can be mounted directly on the bottom of the housing or in an adapted seat.
  • the seat of the spring element may for example be attached to the bottom of the housing Ring element be.
  • the housing is cuboid and flattened so that it can be installed like a building board in the floor.
  • the housing may be provided for installation in the base plate of an office chair or a relax chair.
  • the slide guide is preferably equipped with a ball-bearing, the friction resistance reducing linear guide.
  • the chair guide device is optionally provided with a releasable, holding the carriage locking, with which the carriage can be held in an arbitrary selectable position within the travel.
  • This may be, for example, at least one magnet which is mounted, for example, on the carriage and cooperates with a magnet attached to the housing and so can hold the carriage.
  • the transmission of the magnetic holding force is preferably non-contact.
  • an electromagnet is provided so that, for example in an emergency room in a conference room with many chairs according to the invention, if necessary, with a holding device fixed chairs centrally (manually and automatically eg via fire alarm system, etc.) can be solved via a central switching device. All tilting plates then take their inclination, so that the chairs go to their original position and escape routes are released.
  • the penetration-proof slot cover can be designed for example in the form of a solid link belt of metal or plastic links.
  • the individual chain links which have a substantially flat upper side, are connected to the respective adjacent links via joints and can be deflected in a manner similar to the use of a belt around deflection rollers.
  • the slip resistance of the webbing is made differently, for example, by supporting elements which on the one hand support the webbing in the region of the slot from below and on the other hand evade when the chair is moved back and forth and the foot of the chair within the Langloch moves.
  • the evasion of the belt-bearing elements can be realized, for example, by the individual elements are laterally displaced from the chair foot and moved back after passing the chair foot by a spring to its original position.
  • a largely closed, cuboidal housing 10 comprising a rectangular base body 17 and a removable cover 11.
  • the main body 17 has a bottom 12 and four side walls 14.1, 14.2, 14.3, 14.4.
  • a slot 3 is cut, which preferably has a width of about 20 mm, from which a nozzle-shaped chair receptacle 4 protrudes.
  • the chair receptacle is connected to the carriage 5 with fastening elements 18, which are preferably screws.
  • the disassembly of the chair receptacle 4 and thus the disassembly of the entire chair is done by loosening the accessible from outside the housing 10 screws 18. It is advantageous that a disassembly of the carriage or even the rail guide is not required to remove all elements which lie above a tread surface 9 and thus can form triples with the chair removed.
  • the advantage of this design is that the chair leg can not be removed from the cone with usually necessary special tools. Slide and rail guide thus remain in their adjusted position. If the chair guide and chair are reinstalled if necessary, a readjustment of the carriage and chair guide is not required. This is particularly advantageous because any warranty claims of the user may depend on the maintenance of pre-adjusted factory settings.
  • the housing 10 is installed in a floor 7 such that the lid 11 is flush with the tread surface 9 of the floor.
  • the chair receptacle 4 is removably connected to a chair 1, so that the slot 3 after disassembly of the chair receptacle 4 by a replacement cover, not shown, which contains no slot can be closed.
  • FIGS. 3 and 4 shows that the chair holder 4 is arranged on a carriage 5, which in turn is movably mounted on a rail guide 6.1, 6.2.
  • the carriage can be moved from an initial position A to an end position E, resulting in a travel path V between these two positions.
  • the rail guide 6.1, 6.2 designed as a double rail is arranged on the longitudinal sides of a tilting plate 20.
  • the carriage 5 is provided with a ball-bearing linear guide, so that a very low rolling resistance is present.
  • the attachment of the two rails is preferably designed as a fixed bearing, for example by a non-positive Screw connection.
  • One side of the carriage 5 is designed as a floating bearing and can thus compensate for stresses caused, for example, by the effects of temperature fluctuations on the expansion behavior of the materials used for housing 10, rail guide 6.1, 6.2 and slide 5.
  • At the front and back side of the carriage 5 carries two buffers each 13.1, 13.2; 13.3, 13.4, which dampen the impact against a lying within the housing 10 stop 15 when reaching the respective end and initial position.
  • the position of the stop 15 is designed so that in the initial and final position, a slight gap 26 (see. Fig. 1 ) remains between the chair base and slot end and the chair base does not hit the slot end.
  • a webbing 16 (shown schematically; Fig. 3 ) wear.
  • the webbing 16 covers the slot 3 in each position of the carriage 5 along the slot 3 from.
  • the webbing 16 is preferably made of a non-elastic plastic web, wherein the two ends are connected to each other in the region of the "lower run".
  • the webbing 16 is tensioned with pulleys, which may be spring-loaded.
  • the webbing 16 has an opening which surrounds the chair seat 4.
  • the tilting plate 20 is connected at one end 25.1 to a rotary joint 22 (see FIG. FIGS. 3 and 4 ) is pivotally mounted and rests with its other end 25.2, which corresponds to the end position E of the chair seat 4, on a spring element 23.1.
  • the position of the spring element 23.1 can also be arranged shifted in the direction of the travel.
  • the background is that a short lever length results from a spring element 23.1 arranged close to the swivel joint 22.
  • the spring force FK must be sufficiently large, in order to be able to pivot the tilting plate 20 with the chair 1 by the angle ⁇ even with this selected spring position.
  • the weight force applied by one person must be sufficient to press the tilting plate 20 with chair 1 in the other extreme position, namely the initial position A down.
  • the swivel joint 22 is arranged with its axis of rotation 24 perpendicular to the longitudinal alignment of the rail guide 6.1, 6.2 or the tilting plate 20.
  • a spring element 23.1 a spiral spring is used, which is arranged between the tilting plate 20 and the bottom 12 and with a spring force FK (see. Fig. 4 ) largely perpendicular to a bottom 21 of the tilting plate 20 presses.
  • the housing 10 with the tilting plate 20, the spring element 23 and attached to the carriage 5 chair seat 4 together form a in Figures 2 . 3 and 4 shown chair guide device 100.
  • FIGS. 5a to 5d show schematically the movements of the chair seat 4 with and without burden by the chair user.
  • the Fig. 5a as well as the Figures 2 and 4 correspond to the unloaded chair 1, in an advanced chair position (starting position A of the chair seat 4).
  • the tilting plate 20 is located in an inclined position 30 relative to the horizontal bottom 12, which corresponds to an angle of inclination ⁇ of preferably 1 ° to 3 °.
  • the spring element 23.1 is held biased by the weight of the tilting plate 20 and the rail guide 6.1, 6.2 and the chair 1 arranged thereon.
  • the chair 1 In the front seat position (see. Fig. 5b ) the chair 1 is loaded by the seated person.
  • the spring element 23.1 is compressed by the tilting plate 20, which assumes a position 31 parallel to a horizontal plane EB.
  • the Fig. 5d shows a reset position, in which the unloaded chair 1, the tilting plate 20 swing up.
  • the inclined position of the tilting plate 20 drives the chair 1 to return to the starting position.
  • the carriage 5 moves back by gravity alone in the lower initial position A. This happens due to the released potential energy from the carriage 5 and chair 1.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Claims (14)

  1. Dispositif de guidage de chaise (100) comprenant
    - un rail de guidage (6.1 , 6.2) s'étendant entre une position initiale (A) et une position finale (E) d'un support (4),
    - un chariot (5) logé mobile sur le rail de guidage (6.1, 6.2) et portant le support de chaise (4),
    - un boîtier (10) doté d'un corps de base (17) et d'un couvercle (11), ce dernier comportant un trou oblong (3) dans lequel est agencé mobile le support de chaise (4), caractérisé
    - en ce que le rail de guidage (6.1, 6.2) est disposé pivotant autour d'un axe de rotation (24),
    - en ce que le rail de guidage (6.1, 6.2) est agencé sur un plateau basculant (20) logé pivotant sur une articulation tournante (22) qui inclut l'axe de rotation (24),
    - en ce que le plateau basculant (20) incluant le rail de guidage (6.1, 6.2) est au moins pour partie enveloppé par le boîtier (10)
    - et en ce qu'il est prévu un moyen (23) permettant de faire pivoter le plateau basculant (20) selon un angle (α) par rapport à un plan horizontal (EB).
  2. Dispositif de guidage de chaise selon la revendication 1, caractérisé en ce que le plan horizontal (EB) est défini soit par un fond (12) du corps de base (17), soit par le couvercle (11).
  3. Dispositif de guidage de chaise selon la revendication 1, caractérisé en ce que le moyen de pivotement (23) est un ressort (23.1) ou un autre moyen, par exemple un excentrique.
  4. Dispositif de guidage de chaise selon la revendication 3, caractérisé
    - en ce que le ressort (23.1) exerce une force élastique (FK) supérieure au poids que les masses de la chaise (1), du plateau basculant (20) et du support de chaise (4) appliquent audit ressort, de sorte telle que lorsque la chaise est inoccupée, le plateau basculant (20) se trouve en position pivotée selon l'angle (α) par rapport au plan horizontal (EB) et ce quelle que soit la position de la chaise,
    - en ce que, lorsque le plateau basculant (20) est chargé, le ressort se trouve comprimé de sorte telle que ledit plateau basculant (20) adopte une position (31) horizontale parallèle au plan (EB)
    - et en ce que le ressort (23.1) appuie contre le plateau basculant (20) en exerçant une tension (FK) dirigée dans une large mesure perpendiculairement audit plateau (20).
  5. Dispositif de guidage de chaise selon la revendication 3 ou 4, caractérisé en ce que le ressort (23.1) est un ressort en spirale.
  6. Dispositif de guidage de chaise selon la revendication 3 ou 4, caractérisé en ce que le ressort (23.1) est un ressort à gaz.
  7. Dispositif de guidage de chaise selon la revendication 3 ou 4, caractérisé en ce que ressort (23.1) est réalisé en un matériau élastomère.
  8. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que le à ressort (23.1) est logé au niveau du fond (12) du boîtier (10).
  9. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que la position oblique (30) du plateau basculant (20) à l'état non chargé correspond à un angle d'inclinaison (α) compris entre 0 et 15 degrés, de préférence entre 1 et 3 degrés.
  10. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que le plateau basculant (20) est constitué du fond (12).
  11. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que le boîtier (10) est en forme de parallélépipède.
  12. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que le boîtier (10) est approprié pour être incorporé dans la plaque de pied d'une chaise de bureau ou d'un fauteuil relax.
  13. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que le couvercle (11) du boîtier (10), qui comporte un trou oblong (3), peut être remplacé par un couvercle sans trou oblong.
  14. Dispositif de guidage de chaise selon l'une quelconque des revendications précédentes, caractérisé en ce que les attaches mis en oeuvre pour fixer le support de chaise (4) sont accessibles de l'extérieur du boîtier (10).
EP13000017.7A 2012-01-19 2013-01-03 Dispositif de guidage de chaise avec plateau basculant Active EP2617324B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012100432A DE102012100432B3 (de) 2012-01-19 2012-01-19 Stuhlführungsvorrichtung mit Kippplatte

Publications (2)

Publication Number Publication Date
EP2617324A1 EP2617324A1 (fr) 2013-07-24
EP2617324B1 true EP2617324B1 (fr) 2014-06-04

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Application Number Title Priority Date Filing Date
EP13000017.7A Active EP2617324B1 (fr) 2012-01-19 2013-01-03 Dispositif de guidage de chaise avec plateau basculant

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US (1) US20130187021A1 (fr)
EP (1) EP2617324B1 (fr)
DE (1) DE102012100432B3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013109727B3 (de) * 2013-09-05 2014-09-18 Josef Trendelkamp Trittsichere Stuhlführungsvorrichtung
EP3424366B1 (fr) * 2017-07-07 2020-09-23 goracon engineering GmbH Dispositif de support et de guidage mobile d'une chaise
DE102017012023B4 (de) 2017-12-22 2024-01-11 Gerd Fischer Vorrichtung zur Abstützung und zur beweglichen Führung eines Stuhles
US11077007B2 (en) * 2018-09-10 2021-08-03 Phillip Collie, JR. Personal care station employing mobile provider seat and fixed client seat
DE102019113297A1 (de) * 2019-05-20 2020-11-26 Josef Trendelkamp Führungsschienenfreie Stuhlführungsvorrichtung
DE102021132447A1 (de) 2021-12-17 2023-06-22 Josef Trendelkamp Stuhlbein und Stuhlführungsvorrichtung mit Stuhlbein

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198092A (en) * 1978-05-01 1980-04-15 Fmc Corporation Seat suspension system
DE3304747C1 (de) * 1983-02-11 1984-09-06 Deutsche Airbus GmbH, 8000 München Markierungseinrichtung für Sitzanordnungen
JP2961844B2 (ja) * 1990-09-05 1999-10-12 タカタ株式会社 ショルダーアジャスタ
US5222712A (en) * 1991-10-01 1993-06-29 Gregory Donald J Removably mounted chair and apparatus for removing it
WO2004021836A1 (fr) * 2002-08-21 2004-03-18 Gerhard Fischer Glissiere destinee a un siege pouvant etre deplace selon un mouvement de va-et-vient
DE20212768U1 (de) * 2002-08-21 2003-02-27 Fischer Gerhard Stuhlführung für einen hin- und herverfahrbaren Stuhl
JP3877671B2 (ja) * 2002-11-11 2007-02-07 株式会社クボタ 作業車の着座検出装置
DE202005005317U1 (de) * 2005-04-04 2005-09-01 Trendelkamp, Josef Stuhlführungsvorrichtung
DE202010006559U1 (de) * 2010-05-06 2011-10-05 Josef Trendelkamp Stuhlführungsvorrichtung mit einer Schienenführung
DE202011001821U1 (de) * 2011-01-21 2011-04-14 Goracon Engineering Gmbh Stuhlführung

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Publication number Publication date
EP2617324A1 (fr) 2013-07-24
US20130187021A1 (en) 2013-07-25
DE102012100432B3 (de) 2013-01-24

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