EP1150593A2 - Dynamische sitzvorrichtung - Google Patents
Dynamische sitzvorrichtungInfo
- Publication number
- EP1150593A2 EP1150593A2 EP00906272A EP00906272A EP1150593A2 EP 1150593 A2 EP1150593 A2 EP 1150593A2 EP 00906272 A EP00906272 A EP 00906272A EP 00906272 A EP00906272 A EP 00906272A EP 1150593 A2 EP1150593 A2 EP 1150593A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat part
- support element
- seat
- pivoting
- bearing
- 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
Links
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 mounted in a rigid frame
- A47C3/0255—Rocking chairs with seat, or seat and back-rest unit, elastically mounted in a rigid frame pivotally mounted in the base frame, e.g. swings
-
- 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
Definitions
- the present invention relates to a dynamic seat device according to the preamble of claim 1, as is known for example from DE 42 10 134 AI.
- a known dynamic seat device in which the seat part as the actual seat surface is held movable relative to the underlying support element, constantly forces the user to make slight movements to maintain an instant equilibrium position, with the result that - in orthopedic favorably - back muscles and intervertebral discs are kept in motion.
- a generic, dynamic seating aid in turn brings numerous detail problems that are uncomfortable in practical use, for example when the tilting movement is large and / or the tilting is equally large in and against the seat direction, and result in the user quickly adopting a so-called comfort position, which makes balancing easier for him, but at the same time is anatomically questionable.
- the dynamic seat devices known from the prior art have the disadvantage that they are structurally complex and thus prevent widespread use at low costs (and thus selling prices). Accordingly, it is an object of the present invention to improve a generic dynamic seating device with regard to its usage, in particular orthopedic, properties, but also with regard to its suitability for inexpensive, structurally simple manufacture.
- the seat part and the support element are first connected by a bearing element which is itself held by an elastic buffer element, in particular a foam rubber block or the like.
- the buffer element according to the invention also enables a structurally extremely simple construction as a holding means for the bearing element, because with suitable dimensioning of the buffer element with regard to its elasticity, size and A separate fastening of the bearing element is unnecessary; rather, the bearing element, for example in an incision or a recess in the buffer element, can be embedded simply and with little effort.
- a buffer element made of foam, rubber, horsehair or the like (preferably large-area, that is to say extending over a large part of the seat surface or the seat part) also makes it possible.
- elastic material the appropriate use of suitable bearing elements, and not just in the center of the buffer element or the seat part (which guarantees pivotability about any axis and an axis-specific limitation of the pivot stroke then to carry out via suitably fixed or manually used limiting means st), rod-shaped bearing elements, a plurality of individual bearing elements or the like arranged along an axis adjacent can also be used. be used to determine the axes of focus of a pivoting between the support element and the seat part.
- the elastic buffer element has a greater thickness than the height of an inserted bearing element, for example a rod
- such an arrangement enables, in addition to pivoting about the axis defined by the rod, additional slight tilting or pivoting movements along the axis (and thus around a second, vertical swivel axis with reduced swivel stroke) - a constructive advantage that has proven to be an orthopedically effective improvement of a traditional seat, which can only be swiveled about a fixed axis, in practice in particular.
- Another - mechanical - advantage of the provision of a second pivot axis according to the invention with a different (here: reduced) maximum pivot stroke (ie maximum pivot angle) is the low susceptibility to vibration breaks or the like. Material failure with frequent, impulsive loading, for example by heavy users.
- a larger swivel stroke is desired.
- This can be achieved by means of permanently provided blocking means or limiting means, which can preferably be adjusted manually, if necessary. It is also within the scope of the present invention to have a current one To fix the swivel position by means of suitable locks, as well as to take into account individual weights and the need for softer or tighter elastic behavior of the arrangement, for example by inserting additional spring or damping elements.
- a particular area of application of such a damping element is steaming a pivoting to the front in order to prevent the pelvis from tilting too quickly in the sitting direction.
- a further preferred embodiment of the present invention provides for the seat part to be displaceable relative to the support element, in particular with respect to the direction of the seat, the seat part being able to assume various relative positions corresponding to predetermined locking positions.
- the present invention can be integrated in a variety of ways into existing seat devices, for example by fitting or fastening on static seats; alternatively, it is possible to provide the seat device according to the invention directly with feet or a frame, so that it itself becomes a chair. Depending on the application, it may also be useful to provide additional damping or elastic means on the base side (ie in the direction of an underlying support or a solid surface). Further advantages, features and details of the invention emerge from the following description of preferred exemplary embodiments and with reference to the drawings; these show in
- FIG. 2 a variant of the first embodiment according to FIG. 1;
- FIG. 3 shows a schematic side view of the dynamic seat device according to a second embodiment of the present invention.
- FIG. 12 different displacement positions of the dynamic seat device of the second embodiment according to FIG. 3;
- the dynamic seat device has a base plate 10 made of a solid material, such as wood, which on its upper side is covered with an elastic cushion layer 12, such as made of foam rubber or . Like. formed and covered with a coating, not shown, is provided.
- a user takes a seat on the cushion layer 12, the direction of his gaze (hereinafter also referred to as the seat direction) is indicated by the arrow 14 in FIG. 1 (but also applies to all other side views).
- An elastic buffer block 16 made of foam rubber is fastened underneath the base plate 10 and in turn rests on an underlying support plate 20 via an adhesive layer 18 (slip protection).
- attachment of the buffer block 16 is possible by means of lateral holding strips 22.
- a rod-shaped bearing element 24 with a circular or oval cross-section is embedded in the buffer block 16, as shown in the schematic illustration of FIG. 4, the bearing element 24, as can be seen in FIG. 1 or FIG. 4 made of pressure-resistant material (for example plastic or wood) is surrounded by the foam material of the buffer block 16 both in the lateral direction (ie on both sides of end faces of the bearing element 24) and with regard to a height of the buffer block 16 (vertical direction of FIG. 1).
- the bearing element 24 is, for example, in a (not shown in more detail) Section of the buffer block 16 is inserted and is thus held in the position shown in FIG. 1 or FIG. 4.
- the base plate 10 can be pivoted about the pivot axis determined by the bearing element 24, depending on the elasticity of the buffer block 16 and the geometry of the arrangement according to FIG 1 determined maximum swivel angle (which is typically around 15 °).
- the maximum swivel angle is additionally limited (or braked) against the seat direction 14 by a schematically shown locking element 26, preferably adjustable in at least one position, for example in the form of a transverse bar, so that Ease of use is increased and any risk of accidents can be reduced by swiveling the swivel back too much.
- FIGS. 1 to 3 show corresponding cross bars (alternatively: foam elements or the like) as grip protection 28 in the front and rear area in relation to the seat direction 14 in order to prevent accidental user intervention with the hands and jamming or buffer.
- the support plate 20 (which can alternatively also be omitted), the grip protection elements and / or the holding strip / s 22 can be attached to an underlying stand or carrying unit using suitable fixing means (not shown in the figures), such as openings for screw connections or the like , in particular also on a chair surface, so that conventional, non-dynamic seating furniture can be provided with the advantageous usability of the present dynamic seating device simply and with the least amount of effort and expense by the present invention. It is also possible, for example, to merely place the - elastic - adhesive or anti-slip layer 18 on an underlying surface, whereby by the adhesive effect of which can already be determined accordingly.
- base plate 20 shown schematically with suitable chair legs, feet or the like. to be provided, so that a dynamic seating furniture (as a single or multi-seater, possibly with arrangements pivotable separately from one another according to FIG. 1) can be created.
- FIGS. 1 and 4 show in the schematic bottom view (ie viewed from below on the base plate 10) different possibilities for realizing the bearing element 24: It is thus possible to use the axis-shaped configuration shown in FIGS. 1 and 4 to replace two or more spherical, cuboid or block-shaped bearing elements 30, 32 lying along an axis, whereby, according to a preferred development of the invention, by providing only one central bearing element 30, 32 in the in FIG. 7 and FIG 8 shows the pivotability of the arrangement according to the invention about only one axis (in particular a transverse axis to the seat direction, as shown in FIG. 1 or FIGS.
- FIG. 2 illustrates in the side view the cuboid shape of a bearing element 30, as is used, for example, in the configuration of FIGS. 5 and 7.
- FIG. 9 shows a special embodiment of the present invention: no separate bearing element is provided here, and the storage according to the invention is ensured by the buffer block 16 (which in this respect also assumes the function of the bearing element).
- a pivoting is not fixed on an axis, but the pivoting or tilting of the base plate 10 relative to the support plate 20 or to the holding strips 22 takes place in any manner determined by the buffer block 16 and its elasticity with a main movement axis set to the seat direction 14.
- a fixed locking element 26 limits a maximum swivel stroke
- balls or the like can be used instead of the cross-sectionally rectangular element shown .
- Elements, in particular also manually slidably mounted in the interior space 34 defined between base plate 10 and support plate 20 for varying the locking angle, may be provided, or it may be on base plate 10 and / or support plate 20 and / or a holding strip 22, preferably in the rear area
- a locking arrangement (not shown) which can be screwed in, folded in or swiveled in is provided, which if necessary is inserted into the interior 34 by a user in such a way that the maximum swiveling stroke can thereby be effectively limited.
- such a lifting or locking arrangement is also provided with an adjustment mechanism which enables the user to set a maximum locking angle of the pivotability.
- FIGS. 3 and 10 to 12 show a schematic side view of a further embodiment of the present invention, which illustrate the possibilities for a relative displacement between base plate 10 and retaining strips 22 (in addition or as an alternative to a support plate 20 not shown in the figures, analogously to FIG. 1) .
- the second embodiment is also to be understood in particular as a supplement to the pivotability explained with reference to FIGS. 1, 2, 4 to 9. As shown in FIGS.
- the shifting in the seat direction is achieved by an inverted U-shaped bracket arrangement 36 (alternatively: belt arrangement or the like) realized on a pair of retaining strips 22 on the side, which is laterally on both sides includes the buffer block 16 and extends with its closed middle part between the legs above the base plate 10, so that the bracket unit 36 with the buffer block 16 seated and the pair of retaining strips 22 on both sides between a position advanced in the direction of the seat (FIG. 11) and a position rearward in the direction of the seat (FIG 12) can be moved.
- an inverted U-shaped bracket arrangement 36 (alternatively: belt arrangement or the like) realized on a pair of retaining strips 22 on the side, which is laterally on both sides includes the buffer block 16 and extends with its closed middle part between the legs above the base plate 10, so that the bracket unit 36 with the buffer block 16 seated and the pair of retaining strips 22 on both sides between a position advanced in the direction of the seat (FIG. 11) and a position rearward in the direction of the seat (FI
- Fixing unit which, for example by fixing the bracket unit 36 (alternatively: belt unit or the like) on the base plate 10 at predetermined relative displacement positions, enables the locking or secure fixing of a use position set in the desired manner by displacement.
- FIGS. 13 to 18 shows a latching or fixing device that is particularly suitable in the context of the present invention:
- the buffer block 16 encloses a pair bearing blocks 38 arranged laterally on both sides, which are each designed to interact with a bracket 42 provided with locking grooves 40 on the base plate 10: as in FIGS. 13 (front locking position), FIG. 14 (rear locking position) and FIG.
- Fig. 17 shows in the schematic bottom view the arrangement of the latching arrangement embedded in the buffer block 16 consisting of bearing blocks 38 and Bugein 42
- Figs. 15, 16 illustrate a slightly modified variant:
- the buffer block 16 ' is related to that by the pivot axis de - Finished direction shortened so that the arrangement of the bearing block 38 and bracket 42 is laterally outside the buffer block 16.
- the buffer block 16 which, as an alternative to the described forms of realization made of foam, can also be made of other suitable elastic natural or synthetic materials, such as latex, horsehair or the like
- additional spring or buffer elements it is particularly preferred to add an additional buffer element in the form of a spiral spring, a block of elastic, to the buffer block in or against the seat direction 14 adjacent position Material or the like to assign, and more preferably to design such an element, which can also be viewed in particular as a damping element, with regard to its damping or buffering effect, as is the case with Spiral springs or the like by adjusting the spring travel. can be done.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
- Chairs Characterized By Structure (AREA)
- Vibration Prevention Devices (AREA)
- Support Of The Bearing (AREA)
Description
Claims
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29901774U DE29901774U1 (de) | 1999-02-02 | 1999-02-02 | Sitzvorrichtung zur Auflage auf einem Sitzmöbel |
| DE29901774U | 1999-02-02 | ||
| DE1999117414 DE19917414A1 (de) | 1999-04-17 | 1999-04-17 | Sitzvorrichtung |
| DE19917414 | 1999-04-17 | ||
| DE19933364 | 1999-07-19 | ||
| DE19933364 | 1999-07-19 | ||
| PCT/EP2000/000843 WO2000045675A2 (de) | 1999-02-02 | 2000-02-02 | Dynamische sitzvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1150593A2 true EP1150593A2 (de) | 2001-11-07 |
| EP1150593B1 EP1150593B1 (de) | 2004-04-14 |
Family
ID=27219097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00906272A Expired - Lifetime EP1150593B1 (de) | 1999-02-02 | 2000-02-02 | Dynamische sitzvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1150593B1 (de) |
| AT (1) | ATE264077T1 (de) |
| CA (1) | CA2361274C (de) |
| DE (2) | DE20001678U1 (de) |
| WO (1) | WO2000045675A2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10050249A1 (de) | 2000-10-11 | 2002-04-25 | Klaus Dieter Voss | Sitzvorrichtung zur Auflage auf einem Sitzmöbel |
| DE202011003055U1 (de) | 2011-02-22 | 2011-05-12 | Keller, Oliver | Dynamische Sitzvorrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035466A (en) * | 1989-04-03 | 1991-07-30 | Krueger International, Inc. | Ergonomic chair |
| US5024485A (en) * | 1990-07-05 | 1991-06-18 | Berg Joseph A | Front and back adjustable rocking seat support arrangement for seat having relatively adjustable sections |
| DE4210134C2 (de) | 1992-03-27 | 1996-02-08 | Josef Gloeckl | Aktivdynamische Sitzvorrichtung |
| AT398160B (de) * | 1992-06-10 | 1994-10-25 | Froschauer Hedwig | Arbeitssessel, insbesondere bürosessel |
| GB2281197A (en) * | 1993-07-24 | 1995-03-01 | Seminar Components | A reclining chair mechanism |
| US5769492A (en) * | 1996-12-10 | 1998-06-23 | Jensen; Robert J. | Back saver sport seat |
-
2000
- 2000-02-02 EP EP00906272A patent/EP1150593B1/de not_active Expired - Lifetime
- 2000-02-02 WO PCT/EP2000/000843 patent/WO2000045675A2/de not_active Ceased
- 2000-02-02 CA CA2361274A patent/CA2361274C/en not_active Expired - Fee Related
- 2000-02-02 AT AT00906272T patent/ATE264077T1/de active
- 2000-02-02 DE DE20001678U patent/DE20001678U1/de not_active Expired - Lifetime
- 2000-02-02 DE DE50006068T patent/DE50006068D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0045675A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50006068D1 (de) | 2004-05-19 |
| EP1150593B1 (de) | 2004-04-14 |
| CA2361274C (en) | 2010-09-28 |
| WO2000045675A3 (de) | 2001-03-29 |
| ATE264077T1 (de) | 2004-04-15 |
| DE20001678U1 (de) | 2000-07-06 |
| WO2000045675A2 (de) | 2000-08-10 |
| CA2361274A1 (en) | 2000-08-10 |
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