EP2180810A1 - Pendel-hocker - Google Patents
Pendel-hockerInfo
- Publication number
- EP2180810A1 EP2180810A1 EP08785636A EP08785636A EP2180810A1 EP 2180810 A1 EP2180810 A1 EP 2180810A1 EP 08785636 A EP08785636 A EP 08785636A EP 08785636 A EP08785636 A EP 08785636A EP 2180810 A1 EP2180810 A1 EP 2180810A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- seat
- receptacle
- active dynamic
- seat device
- 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.)
- Withdrawn
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
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- 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 invention relates to an active-dynamic seat device comprising a seat part, a foot part and between the seat part and the foot part in the unloaded state substantially vertically arranged intermediate part having at least one spring, which is arranged in the power flow of the seat weight to a vertical rocking movement of the seat part allow, and with a tilting bearing comprehensive pendulum device in which the lower end of the intermediate part is tilt and reset held on the foot part.
- Seating furniture is equipped in most cases with appropriately designed seating surfaces and backrests in an anatomically most favorable position, so that the body, in particular the back, is supported.
- Such chairs are often perceived as comfortable, but have the distinct disadvantage that the body is only passive, ie the back muscles are barely bean- Sprucht and the discs experienced a permanent pressure load. With prolonged use of these seating devices, this can lead to degeneration of the back muscles and wear of the intervertebral discs. Health damage and pain in the back and hip area are a frequent consequence of static or passive sitting.
- Such an active dynamic seat device is known for example from DE 42 44 657 C2.
- a generic seat device which consists of a foot part, an intermediate piece connected to the foot part and a rigidly connected to the spacer seat part, wherein the intermediate piece is held by means of an elastically deformable connecting element in an opening of the foot part in each lateral direction tilted and in unloaded state is returned to its neutral position, wherein the connecting element is annular and the connecting element at the adjoining the intermediate piece surface has a ring-shaped phase, in which a arranged on the intermediate piece, vertically adjustable ring with a shape adapted to the phase pressed.
- different restoring forces of the connecting element can be adjusted with the vertical position of the ring.
- a pendulum bearing is described, which is arranged between the column and the foot part.
- the self-aligning bearing is designed as a vibrating metal and consists of a substantially tubular upper part, the upper end of which serves for the splined connection, a lower part which is fixedly attached to an arm of the foot part and an elastic material arranged between upper part and lower part.
- the lower part surrounds the upper part cup-shaped, wherein the elastic material is arranged not only between the end faces but also between the side walls.
- the upper part and the lower part are connected to one another via a screw, wherein a co-operating with the screw tensioning the pendulum bearing, and thus the restoring force can be adjusted.
- a further elastic element is arranged between the head of the screw and the upper part, which makes the behavior of the self-aligning bearing softer and more comfortable.
- This arrangement is disadvantageous from a variety of individual components, which requires complex manufacturing processes such as casting, punching and / or bending process and requires a large installation effort.
- the movable by means of a handwheel spring element is preferably formed as a spring basket.
- the spring element may also be designed as a plate spring and engage substantially at a free end of the lower end of the intermediate part.
- a particularly low restoring force can be achieved in that the spring cage can also be used rotated through 180 °, wherein the ends of the springs of the spring cage are higher up and thus allow a slight lateral deflection of the seat and intermediate part. This can be advantageous, for example, for particularly light children or adolescents.
- the deflection width of the intermediate part can also be limited by means of the spring element or spring cage in order to obtain the pendulum option of the seat device in the anatomically sensible frame.
- the pendulum device comprises a tilting bearing, which is preferably formed of an inner ring, an outer ring and an elastic material arranged therebetween, such as silicone or rubber. This allows a lateral tilting of the seat part and the intermediate part relative to the vertically remaining foot part. Depending on the choice of elastic material, the resistance for deflection or tilting can additionally be influenced.
- the inner ring of metal and conically tapering down, so that a trained as a receptacle standpipe or telescopic tube can be inserted into this.
- the tilting bearing With a laterally acting force on the seat part, the tilting bearing can tilt in the corresponding direction, wherein the elastic material arranged between the rings is squeezed and thus can cause the described restoring action in connection with the spring element. It is particularly advantageous that in a deflection, the restoring force is achieved by an interaction of the tilting bearing with the spaced-apart spring element.
- Spaced in this context does not exclude a directly adjacent arrangement of tilting bearing and spring element, but implies that tilting bearing and spring element do not touch.
- the spring element can be firmly connected to the receptacle and the bias of the spring element by an additional Component, such as a sleeve, and a vertical movement of the handwheel be enabled.
- the additional component biases the spring element depending on the position of the handwheel stronger or weaker.
- the foot part can have individual struts, at the outer ends of which rollers or roller dummies can be arranged in order to be able to position the seat device either in space or firmly.
- the intermediate part of the seat device has a tube arranged on the seat part, which can be accommodated displaceably in a receptacle held on the foot part, the receptacle being able to be inserted into and held by the pendulum device.
- the receptacle is formed in a preferred embodiment as a standpipe or telescopic tube. In this way, a simple assembly of the individual components and a relative movement between the standpipe and the sliding tube is ensured.
- the standpipe on the outside on a thread which may be divided in one piece or in an upper or lower thread.
- the handwheel is preferably arranged at the lower end of the standpipe so that with it the spring element or the spring cage is adjustable.
- the handwheel has for this purpose advantageously vertical pins, so-called driver, which engage in the spring cage, wherein when rotating the handwheel, the spring cage rotates and changes its vertical position by sliding on the external thread of the standpipe.
- the present invention may be arranged to be movable in the vertical direction on the external thread of the standpipe, preferably in the upper portion, a dial, wherein the spring on the underside of the Setting wheel rises to change the spring preload by adjusting the height of the dial and thus adjust the vertical resilience of the seat part.
- the one-piece or the upper and lower threaded portion can be made useful both for the vertical adjustment of the handwheel and the Einstellra-, the dial is located above the handwheel. If the adjusting wheel is moved vertically upward by a rotary movement over the threaded portion, the biasing force of the spring can be increased to set a higher hardness of the springback of the seat portion.
- the power flow of the seat weight extends over the spring, which may be designed as a spiral spring and rests on the lower side on the dial.
- the free length of the coil spring can be shortened by a movement of the dial in upward movement, thereby further shortening the compression travel of the seat part.
- the spring adjoins the upper side on the sliding tube against a spring receiving, which is formed at the upper end of the sliding tube.
- the spring receptacle is integrated in the sliding tube, whereby the overall height structure of the seat device can be made particularly compact.
- the spring retainer forms the upper end of the sliding tube and is located directly below the seat part.
- the spring can hold the seat part to the outer standpipe, so that the seat apparatus can be lifted on the seat part without the inner slide pipe being led out of the outer standpipe.
- the spring receptacle as well as the dial have a wrap around to hold the spring in a form-fitting, or the spring is clamped in another way, welded or pressed in otherwise known manner.
- a sliding bushing is arranged between the outer standpipe or telescopic tube and the inner sliding tube.
- the sliding bush can be pressed into the outer standpipe, glued or fixed in other known ways.
- the sliding bush guides the inner sliding tube in the axial direction over the outer surface of the inner sliding tube and the inner surface of the outer upright tube, wherein the sliding bushing has a corresponding fit with respect to the inner sliding tube can.
- the slide bushing may be formed as a ball bush, wherein the ball bushing can perform both a rotational and an axial relative movement of the sliding tube relative to the standpipe.
- the ball socket is advantageously made of a plastic carrier with balls, wherein the ball receptacles are formed so that the outer and inner edges have a slightly smaller diameter.
- the balls can be clipped into the plastic carrier and rotatably arranged in the respective position.
- this embodiment of the ball bushings can be achieved by providing two layers, or, in an alternative production method, the shrinkage behavior of the plastic material is used as the ball bush to the effect that a smaller diameter is present at the outer edge of the ball mount.
- the ball bushing can also be made of a metallic material, wherein preferably a non-ferrous metal is used to form advantageous sliding properties with respect to the inner sliding tube.
- the inner sliding tube is preferably made of a ferretic metal.
- the ball bushing extends in the standpipe at least over a substantial part of the immersion depth of the inner sliding tube in order to accommodate tilting moments, which can be introduced through the seat part in the outer telescopic tube.
- a plate may be attached to the lower end of the slide tube. It is favorable that the plate extends in the interior of the standpipe over the diameter of the sliding tube and thus ensures a support on the slide bushing.
- the seat part has a seat plate, a seat cushion being arranged on the upper side and a lining on the underside.
- the seat cushion can extend over the diameter of the seat part and have a spherical or dome-shaped form.
- a panel On the underside of the seat plate, a panel may be arranged, which provides a privacy for at least a portion of the intermediate part.
- a gas spring is arranged in the intermediate part, wherein the gas spring extend vertically in the direction of the power flow within the spring and can be accommodated within the sliding tube.
- a trigger mechanism may be provided in the upper region of the standpipe, which is preferably arranged so that it is easy to operate ergonomically in any position, that is, in the stabilized state of the seat device.
- a height adjustment of the seat device can be conveniently achieved and thus adaptation to the different body sizes of the users can be achieved.
- a gas spring is that this inherently brings a certain spring action and thus can transmit the vertical spring possibility of the entire weight of the seat ends together with the coil spring.
- Fig. 1 is a side view of the active dynamic seating device according to the
- Fig. 2 is a side sectional view of the seat apparatus of Fig. 1 taken along the line B-B;
- Fig. 3 is a perspective view of the spring basket according to the invention.
- Fig. 5 is a sectional view of an alternative embodiment of the shuttle.
- the active dynamic seat device 1 is shown in a side view, comprising a seat part 2, an intermediate part 3 and a foot part 4.
- the seat part 2 has on the upper side a dome-shaped opening extending over the entire diameter.
- the foot part 4 comprises a pendulum device 16 and a plurality of radially outwardly extending struts 24, on which rollers 25 are arranged on the underside.
- the tube 13 and the spring 12 formed intermediate part 3 is arranged, which connects the seat part 2 with the foot part 4.
- the receptacle 14 is preferably as a standpipe or telescopic tube, the tube 13 is preferably formed as a sliding tube.
- the spring 12 surrounds a spring protection device 32 formed of transparent plastic, preferably polycarbonate.
- the foot part 4 has a pendulum device 16, by means of which the seat part 2 and the intermediate part 3 can be tilted or deflected in all directions with respect to a vertical arrangement in the unloaded state. In a deflection, the shuttle 16 generates a moment which acts to return the seat part 2 with the intermediate part 3 in the vertical starting position.
- the receptacle 14 is inserted centrally into the pusher device 16 and held thereon.
- a spring 12 which is received at its lower end by a dial 15 and at its upper end by a spring seat 10, a vertical rocking movement of the seat part 2 relative to the foot part 4 is ensured.
- the spring 12 is arranged in the power flow of the seat weight.
- FIG. 2 shows a sectional view of the active-dynamic seating device 1 from FIG. 1 along the line BB.
- the seat device 1 is variable via a gas spring 30 with respect to their overall height, so that people of different sizes can set a correspondingly correct seat height.
- the seat part 2 has a round seat plate 6, in the central region of the upper end of the gas spring 30 is received.
- the triggering device (not shown) of the gas spring 30 is preferably designed as a kind of lever and arranged in the region of the seat part 2.
- the seat plate 6 has a cone which is inserted into a corresponding recess in the tube 13. In this way, the minimum height of the seat device 1 can be made particularly low.
- the upper end of the tube 13 is formed as a kind of flange, the upper side as a stop for the seat plate 6 and the bottom serves as a spring retainer 10 for the spring 12.
- the arranged in the interior of the intermediate part 3 gas spring 30 extends vertically in the direction of the power flow within the spring 12 and is received in the tube 13. With the tube 13, the gas spring 30 is guided together in the receptacle 14 slidably.
- the gas compression spring 30 itself inherently has a certain spring action, which interacts with the spring 12.
- the state in Fig. 2 shows the gas spring in an extended state, so that the seat plate 6 is spaced from the spring retainer 10.
- the spring protection device 32 is formed from an upper and a lower cup 33, 34, wherein the upper cup 33 is fixed to the spring retainer 10 and the lower cup 34 to the dial 15.
- the cups 33, 34 have different diameters, preferably the lower cup 34 slides within the upper cup 33.
- the upper cup 33 slides within the lower cup 34.
- the cups 33, 34 overlap at least to a small extent in the vertical direction and thus form a reliable protection against bruising of fingers by the spring 12th
- a sliding bush 28 is disposed between the outer receptacle 14 and the inner sliding tube 13, which is formed in a preferred embodiment as a ball bushing.
- the sliding bush 28 is fixed to the inner wall of the receptacle 14 and guides the pipe 13 with the gas spring 30 in the vertical and rotational direction over the outer surface of the inner tube 13 and the inner surface of the outer receptacle 14.
- the sliding bush 28 has a high accuracy of fit against the inner Tube 13 on.
- the tube 13 has an internal thread into which a plate 35 is screwed.
- the plate 35 additionally has a vertically upwardly directed section with an external thread.
- the outside diameter of the plate 35 is dimensioned so that it protrudes beyond the diameter of the tube 13 and thus allows a support or support on the sliding bush 28. This ensures that the tube 13 does not slide out of the receptacle 14 when the seat device 1 is lifted, for example on the seat part 2.
- the piston of the gas spring 30 is fixed by means of the plate 35.
- the receptacle 14 on the outside both an upper thread 18 and a lower thread 18 ', wherein the threads 18, 18' are spaced apart in the vertical direction.
- On the upper thread 18 a movable by turning in a vertical direction dial 15 is arranged, in which the lower part of the spring 12 is received so that the spring 12 is indirectly secured to the receptacle 14.
- a tensile force in the spring 12 can be introduced and the seat device 1 can be raised on the seat part 2, without the tube 13 is led out of the receptacle 14.
- the spring 12 is biased weaker.
- the spring 12 is designed for this purpose as a spiral spring. Due to the variable adjustment of the spring tension, the seat device 1 can be optimally adjusted for persons with different weights and at the same time prevents the seat part 2 and the tube 13 from deflecting to the floor.
- the setting wheel 15 has recesses ergonomically adapted to the human hand in order to ensure easy turning even of children.
- the dial 15 is also embodiments of the dial 15 as a kind of nut with polygonal or the like possible.
- the pendulum device 16 in the foot part 4 comprises a tilting bearing 19, which is formed from an inner ring 20, an outer ring 21 and an elastic material 22 arranged between them.
- the elastic material 22 preferably silicone, rubber or the like is used.
- the tilting bearing 1 forms at a deflection of the intermediate part 3 with the seat part 2 in its axial central region the fulcrum.
- the rings 20, 21 are preferably made of metal, wherein the inner ring 20 is tapered downwardly so that the receptacle 14 can be inserted and held in it.
- the pendulum device 16 further comprises a spring element 5, which is formed in the embodiment shown in FIG. 2 as a spring cage.
- the spring element 5 serves on the one hand to limit the deflection width of the intermediate part 3 with the seat part 2, on the other hand to adjust the restoring force.
- a hand wheel 17 By means of a hand wheel 17, the vertical position of the spring element 5 is changed, so that different restoring forces or restoring moments of the shuttle 16 are set for different sized and heavy users.
- the handwheel 17 is rotatably supported in the shuttle 16.
- the spring element 5 slides by rotation of the handwheel 17 on the lower thread 18 'on the receptacle 14 in the axial direction, whereby a rapid change of the return action can be achieved.
- the spring element 5 In a deflection of the intermediate part 3, the spring element 5 is pressed against the handwheel 17 and thus generates the restoring force.
- the handwheel 17 has upwardly directed pins 26, so-called drivers, with which the spring element 5 can be rotated together with the handwheel 17.
- the spring element 5 offers due to the different lever arms between the pivot point on the tilting bearing 19 and the spring element 5 at a position in the lower region on the thread 18 'a higher or at a position in the upper region on the thread 18' a lower restoring force.
- the handwheel 17 on a slip guard 27, which is a lateral movement of the Seating device 1 prevents oscillation or tilting.
- pendulum device 16 is preferably made of a plastic material
- the tilting bearing 19 and the spring element 5 cooperate and cause the desired variable restoring force for the intermediate part 3 and the seat part 2 in the direction of the vertical starting position, in which case also the deflection can be limited.
- Fig. 3 is designed as a spring basket spring element 5 is shown in a perspective view.
- the spring cage 5 is formed of a round spring ring 11 and the outside around the spring ring 11 guided around elastic spring arms 8.
- the spring ring 11 has distributed over its circumference holes 9, are passed through the arranged on the handwheel 17 pins 26 and by means of which the spring cage 5 can be rotated together with the handwheel 17.
- the spring cage 5 on the external thread 18' of the receptacle 14 can be moved axially.
- the spring arms 8 are pressed in the region in which the intermediate part 3 is moved in the direction of the circle center on the spring ring 11 and provide a restoring force in the direction of the starting position.
- the spring cage 5 can be used on both sides, that is also rotated by 180 °, in the handwheel 17, so that the spring arms 8 point downwards. This allows a particularly slight lateral deflection of the intermediate part 3 with the seat part 2, for example, for very light persons.
- a sliding bush according to the invention is shown as a ball bushing 28 in a perspective view.
- the ball bushing 28 has a plastic carrier 23, which is arranged side by side, in the longitudinal direction of the receptacle 14 extending portions 23 'is formed.
- Each section 23 ' has on top and bottom two vertically superimposed and spaced apart ball mounts 29 whose outer and inner edge has a smaller diameter than the balls (not shown), so that they can be clipped and in the thus fixed Condition are rotatably mounted.
- the ball bushing 28 is a metallic material or plastic used.
- the length of the ball bushing 28 in the vertical direction is dimensioned such that it extends at least over a substantial part of the immersion depth of the tube 13, so that tilting moments introduced into the receptacle by the seat part 2 can be accommodated.
- Fig. 5 is a sectional view of an alternative embodiment of the shuttle 16 is shown.
- the handwheel 17 has a thread, by means of which it is movable in the vertical direction by turning.
- the corresponding mating thread can be provided, for example, on the tilting bearing 19 or any other location on the shuttle 16.
- the spring element 5 is fixedly connected to the receptacle 14.
- a sleeve 31 is arranged on the bottom side, which extends at least over part of the circumference.
- the sleeve 31 is conical and presses with its oblique inner surface against the spring arms 8 of the spring element 5, so that a variable restoring force of the shuttle 16 is adjustable.
- the bias of the spring element 5 is greater than in a vertically lower position. Accordingly, the restoring force in the upper position is greater than in the lower.
Landscapes
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200720011750 DE202007011750U1 (de) | 2007-08-22 | 2007-08-22 | Pendel-Hocker |
PCT/EP2008/006825 WO2009024329A1 (de) | 2007-08-22 | 2008-08-20 | Pendel-hocker |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2180810A1 true EP2180810A1 (de) | 2010-05-05 |
Family
ID=38721616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08785636A Withdrawn EP2180810A1 (de) | 2007-08-22 | 2008-08-20 | Pendel-hocker |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2180810A1 (de) |
DE (1) | DE202007011750U1 (de) |
WO (1) | WO2009024329A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009019880A1 (de) | 2009-05-06 | 2011-01-20 | Josef GLÖCKL | Bewegliches Sitzmöbel mit einer Vorrichtung zum Steuern einer Rückstellkraft |
US8564657B2 (en) | 2009-05-29 | 2013-10-22 | Honda Research Institute Europe Gmbh | Object motion detection system based on combining 3D warping techniques and a proper object motion detection |
DE202015103255U1 (de) | 2015-06-20 | 2015-07-22 | Daniela Hipp | Stuhl mit einer durch eine Spiralfeder gehaltenen Sitzschale mit Kippbereichsbegrenzung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7531129U (de) * | 1975-10-02 | 1976-03-18 | Schuckmann, Alfred Von, 5657 Haan | Arbeits-sitz |
DE4244657C2 (de) * | 1992-03-27 | 1998-11-26 | Josef Gloeckl | Aktivdynamische Sitzvorrichtung |
DE29704478U1 (de) * | 1997-03-12 | 1997-04-24 | Ehinger Martin | Vorrichtung zur Betätigung eines Joystick |
DE102005005089A1 (de) * | 2005-02-03 | 2006-08-10 | Josef GLÖCKL | Tragelement für ein Sitzmöbel |
-
2007
- 2007-08-22 DE DE200720011750 patent/DE202007011750U1/de not_active Expired - Lifetime
-
2008
- 2008-08-20 EP EP08785636A patent/EP2180810A1/de not_active Withdrawn
- 2008-08-20 WO PCT/EP2008/006825 patent/WO2009024329A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009024329A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009024329A1 (de) | 2009-02-26 |
DE202007011750U1 (de) | 2007-11-22 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Inventor name: AERIS GMBH |
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