EP2833759B1 - Dispositif dans un siège et siège - Google Patents

Dispositif dans un siège et siège Download PDF

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Publication number
EP2833759B1
EP2833759B1 EP12715001.9A EP12715001A EP2833759B1 EP 2833759 B1 EP2833759 B1 EP 2833759B1 EP 12715001 A EP12715001 A EP 12715001A EP 2833759 B1 EP2833759 B1 EP 2833759B1
Authority
EP
European Patent Office
Prior art keywords
damping element
housing
weight
chair
joint
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.)
Not-in-force
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EP12715001.9A
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German (de)
English (en)
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EP2833759A1 (fr
Inventor
Jürgen RIECK
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Individual
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Individual
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Publication of EP2833759A1 publication Critical patent/EP2833759A1/fr
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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
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • 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 device for a chair according to the preamble of patent claim 1 and a chair with a corresponding device.
  • Office chairs with tilting behavior back and forth have long been known.
  • chairs In order to allow a dynamic sitting in which the seat at least partially follows the body movements of the seated person, chairs have been developed in which the seat can tilt in different directions under the action of force.
  • a tilt control mechanism is provided between the seat surface and the stem of a gas spring.
  • the tilt control mechanism includes a receiving sleeve on the underside of the seat from which the shaft is received. There is a clearance between the receiving sleeve and the shaft, so that the receiving sleeve can tilt relative to the shaft by means of a ball joint.
  • an elastic ring is arranged concentrically around the shaft, which holds the receiving sleeve and thus the seat in a rest position.
  • the rubber ring In an inclination of the seat, the rubber ring is compressed by the pressure of the receiving sleeve, so that a restoring force is created, which counteracts the inclination.
  • the rubber ring along the shaft, or within the receiving sleeve can be adjusted.
  • the distance between the rubber ring and ball joint and thus also the strength of the force acting on the ring at a tilt of the seat changes.
  • a rotary sleeve is provided around the receiving sleeve, which is rotated about the receiving sleeve, but can not be moved on this.
  • a bolt is fixed, which projects through an elongated opening in the receiving sleeve into a helical guide groove on the inside of the rotating sleeve. Upon rotation of the rotary sleeve, the bolt is displaced within the guide groove, whereby the rubber ring along the axis of the receiving sleeve is adjusted.
  • the DE 10 2006 021 439 A1 discloses an office chair and a hinge device therefor. It is provided in a housing therein and relative to this pivotally and rotatably mounted clapper element, which is guided in a damping element.
  • the damping element is arranged vertically adjustable within the housing.
  • WO 2011/144660 A1 On the part of the applicant were in the WO 2011/144660 A1 already explained various versions of tilting devices, in which the tilting behavior can be adapted to the needs of the person sitting on the chair manually to improve the seating comfort.
  • the WO 2011/144660 the applicant is fully referenced.
  • the chair described therein has a damping element, with which the resistance of a tilting movement or tilting movement can be adjusted via a joint, ie it dampens the movements depending on its position. Often this is also referred to as adjusting the hardness.
  • the office chair In particular, in office chairs that are used by several people alternately, for example, in part-time workplaces, the office chair must be adjusted each time to their needs and in particular to their body weight. If this is not done, the office chair can not fulfill its functions satisfactorily.
  • so-called pendulum chairs which allow so-called active sitting, any effect is lost if the chair is set too hard, so that a pendulum movement is difficult or impossible.
  • To set the chair must be at least in squat position usually go and you have to bend under the chair. It turned out in practice that most of the chair users are too comfortable for this and it seems to them to spend too much effort.
  • Object of the present invention is to allow automatic adjustment of at least one so-called seat mechanism of a chair by gravity.
  • the hardness settings of the chair should automatically adapt to the body weight of the person sitting on it.
  • At least one of the objects is achieved by a device for a chair according to claim 1 and a chair according to claim 15.
  • Advantageous embodiments and further embodiments are the subject of the dependent claims.
  • the invention can be used both in stool-like chairs and chairs with backrests.
  • the device for a chair on a damping element and a support column on which the damping element is arranged It is movable along the longitudinal extent of the support column. Furthermore, the device has a joint. About this joint a movement of a surface is possible, for example, the seat of a chair. The distance between the damping element and the joint determines the degree of damping of the movement of the surface. Accordingly, the degree of damping is adjustable by changing this distance.
  • the surface also serves to receive the weight, which adjusted according to the present invention, the damping element, ie changed its distance from the joint.
  • a first means is provided which tows the damping element by applying weight to the surface and thus changes the distance between the damping element and the joint.
  • a second means is provided for effecting recovery of the damping element upon reduction or removal of the applied weight force.
  • the damping element Conversely, if a person weighing XZ kg sits on the same surface, the damping element will be displaced less far from the joint. By the first means consequently the damping element is towed a certain distance along the supporting column, whereby this distance depends on the weight force introduced on the surface.
  • the damping element In the case of an office chair according to the WO 2011/144660 A1 the damping element would be further removed from the joint at higher weight than at low weight.
  • the person sitting on the chair always finds it easy or difficult to operate the pendulum mechanism or the tilting mechanism of the chair by movements of his body. In heavier person is accordingly set the chair harder and lighter in accordance with less hard, subjectively, however, it seems every person equally easy to succeed in moving the chair in motion.
  • the second means serves to restore the damping element. If the person sitting in the chair is on or a part of the weight is taken away, for example by the person sitting on it laying a load or by a person sitting on a first person second person gets up, there is an at least partial recovery of the damping element in the direction of the starting position of a unloaded chair.
  • a spring As a second means, i. H. as a means for returning the damping element in reducing the applied weight, a spring, depending on the embodiment, a tension or a compression spring is preferably used.
  • a tension or a compression spring is preferably used.
  • an elastomeric element, a pneumatic or hydraulic system such as a gas spring, and similar damping systems may also be used.
  • a third means which adjusts the resistance of the towing movement over a certain distance of the weight.
  • a spring may be provided, which may also be identical to a spring as a second means.
  • the second and third means can, so to speak, be realized in one and the same spring.
  • a compression spring may be provided at the end of a support column over the joint, a compression spring. If the surface moves downward by seating a person or putting a load on the surface, d. H. towards the ground, so the compression spring is shortened.
  • a first means ie as a means which tows by applying gravitational force to the surface of the damping element, a driver which is in communication with the surface. For example, if a person sits down on the surface of the chair, it moves downwards, following gravity. The downward movement of the surface is converted by the associated with the damping element driver into a corresponding movement of the damping element.
  • the conversion can be done 1: 1, ie the distance by which the surface moves, and the distance by which the distance between the damping element and the joint changes, that is, around which the damping element is dragged, are identical.
  • a connection between the surface and connected to the damping element, in particular fastened thereto, driver via an intermediate element which may have housing or cage shape. It is referred to herein as the first housing.
  • a plurality of first drivers are provided, which are evenly distributed around the circumference of the damping element around, which prevents tilting of the damping element during movement or greatly reduces the risk of jamming.
  • a second housing which receives the joint and the support column and in which moves the damping element.
  • This second housing which may also be formed like a cage, serves to guide the damping element. Furthermore, slides on the outside of the first housing, so that the second housing offers the first housing a guide.
  • the second housing has a passage, for example a slot, for the first driver, in which passage the first driver can be moved. As a result, the length or the extent of the passage offers a stop for the mobility or mobility of the first driver and thus of the damping element. In the presented constellation of the first driver is thus firmly connected to the damping element and the first housing and moves in the passage of the second housing.
  • the third means provided as a friction surface on the second housing and / or on the inside of the first housing, the coefficient of friction over the height of the housing is different.
  • the sliding of the two housings against each other is made more difficult by the friction surface as a function of the coefficient of friction. If, for example, the friction coefficient of a friction surface mounted on the outer surface of the second housing increases as the distance from the joint increases, the resistance which the first housing slides over it will increase with increasing movement of the first housing.
  • a second driver which is also controlled by weight control actuated.
  • the second driver is also firmly connected to the first housing. The movement of the surface due to weight force moves the first housing and moves the two drivers with it. The first driver drags the damping element.
  • the second driver actuates the second and / or third means.
  • an embodiment provides that the second driver acts on a lever on which at least one spring is attached as a second and / or third means. The lever is actuated, whereby, for example, in the case of a tension spring, the spring is stretched or in the case of a compression spring, the spring is shortened. If the area is relieved or the weight reduced, the lever moves back accordingly to its original position and the spring is relieved.
  • the tilting behavior of the backrest is automatically adjustable weight-dependent.
  • a fourth means is provided, which can be actuated by applying weight to the surface. It is connected to a backrest of the chair and causes a damping of a mobility of the backrest.
  • second, third and fourth means may be realized in a single spring.
  • the fourth means comprises a lever with a damping body.
  • the damping body is at least indirectly attached to the backrest.
  • the lever is actuated by a driver, which in turn is movable by applying the weight to the surface.
  • the second driver can be used.
  • it can also be provided a third driver.
  • a damping body a compression spring is preferably provided.
  • it may also be a tension spring or any other damping body, such as hydraulic or pneumatic spring, or an elastomeric element may be used.
  • a lever is provided, one end of which is provided with a first end of a tension spring whose second end is connected to the surface.
  • the other end of the lever is provided with the first end of a compression spring whose second end is connected to the backrest.
  • the lever is actuated by a second driver, wherein the driver is preferably attached to the first housing.
  • the lever itself is either mounted directly on the support column or, if present, on the second housing, which is not movable. If a person sits on the surface or if a weight is placed on it, the surface moves towards the ground. Parallel to this move the first housing and thus the second driver.
  • the surface is connected to the first housing via a base plate.
  • the base plate and the first housing are firmly connected.
  • the first surface is preferably mounted displaceably on the base plate.
  • the backrest is preferably mounted on the base plate. This design allows a displacement of the surface in relation to the backrest, which allows an adaptation of the chair to different seat depths.
  • a locking device such as a locking means, a friction clamp or a screw provided with which the device according to the invention can be determined. If the user of the chair has determined that he is sitting comfortably, he can use the locking device to fix the weight setting.
  • the locking device can engage, for example, on the first or second housing or on the damping element.
  • FIG. 1 shows a chair 80 according to the invention in a highly schematic representation.
  • the chair 80 has a surface 85, in the representation of FIG. 1 a seat. He also has a back 84 and two armrests 87.
  • the in FIG. 1 shown chair also has a headrest 88.
  • the chair stands with a stand device 81 on the ground.
  • the in FIG. 1 shown chair has rollers 82, as is typical for office swivel chairs. Of course, an embodiment without rollers is also included in the present invention.
  • a support column 4 is added in the standpipe 83.
  • the device 1 in addition to the support column 4, the device 1 according to the invention comprises a first housing 20, which is connected to the surface 85. The connection is made via the base plate 70. Furthermore, a lever 30 is provided whose function is determined by the Figures 3 ff. will be explained in more detail. Moreover, a tension spring 34 is provided, which fulfills the restoring and counterpressure function in the chair 80.
  • FIG. 1 and 2 shown chair 80 is a so-called pendulum chair, ie its surface 85 is tilted in relation to the standing device 81 in all sides, as indicated by the arrow 89.
  • the invention also includes a chair and the device 1 is also equally applicable in a corresponding chair that does not permit all-round tilting movement, but only, for example, a tilting movement in the direction of the backrest 84 and the seat front edge 86, ie a chair, in Vor -Back direction is movable.
  • FIG. 2 shows a part of the device 1 in a sectional view.
  • the support column 4 is added.
  • these are elements of a gas pressure spring 3.
  • an actuating element 2 is provided at the upper end 5 of the support column 4, that is, at the end 85 facing the surface.
  • a hinge 50 is attached at the upper end 5 of the support column 4, that is, at the end 85 facing the surface.
  • the support column 4 is slightly conical at its upper end 5. Accordingly, the joint 50 has a conical receptacle for receiving the support column 4.
  • the support column 4 enveloping a region is a damping element 60 is arranged.
  • a damping element 60 a rubber bearing is used in the illustrated embodiment.
  • the rubber bearing has metallic walls, in the interior of which an elastomer, in the present case a rubber, is vulcanized.
  • the damping element 60 is arranged very close to the joint 50 above the support column 4, ie with (small) distance d, the surface 85 can be tilted with less force.
  • the distance of the damping element 60 from the joint 50 is relatively large, represented by the (large) distance D.
  • the degree of damping is correspondingly high, so that a tilting movement is possible only with greater effort and accordingly with the same application of force for a tilting movement is the deflection angle ⁇ , ie, the angle between the longitudinal axis of the support column A T and the longitudinal axis of the joint A G , according to have a smaller value, as can be seen from a comparison of the in the FIGS. 2A and 2B entered deflection angle ⁇ results.
  • the damping element 60 is received in a second housing 40, which in turn in the first housing 20 (see. FIG. 1 ) is recorded. As based on the presentation of the Figures 3 ff., the first housing 20 slides over the second housing 40.
  • the damping element 60 has two drivers 61, which the damping element 60th hauling. About the driver 61, the damping element 60 along the support column 4, more precisely, its longitudinal axis A T , moves up and down. The damping element 60 moves in a gap, which is bounded by the second housing 40 on the one hand and the support column 4 on the other.
  • the drivers 61 are the first means that by applying weight G (see. FIG. 3 ) on the surface 85, the damping element 60 drags and so the distance D, d between the damping element 60 and joint 50 changes.
  • the damping element 60 is controlled according to weight-controlled. Consequently, a person sits on the surface 85, the damping element 60 is automatically, ie brought due to the weight of this person in a position above the support column 4, which corresponds to the body weight of the person. If the person has a relatively low body weight, the damping element 60 is not displaced over the support column 4 at all or only along a small path along the longitudinal axis A T. If the body weight is higher, then the distance of the damping element 60 to the joint 50 is increased over a certain amount. The distance d, D is in a specific relationship to the body weight of the person sitting on the chair 80.
  • the adjustment of the damping element 60 does not have to be done manually, ie by the damping element 60 is moved manually using, for example, levers or screws, but by sitting a person on the surface 85 via the first housing 20 and the driver 61, the damping element 60 towed and accordingly over a distance that is in proportion to the body weight of the person.
  • FIGS. 3 to 9, 1 and 12 show a device according to the invention or individual parts thereof in different views. Unless otherwise indicated, the following explanation refers, if appropriate, to all figures in which the element in question is depicted.
  • FIGS. 3A and 3B show a device 100 in the unloaded state or in a loaded with only a slight weight G state.
  • the device 100 has a surface 185, which is connected via a base plate 170 to a first housing 120.
  • a second housing 140 Housed in the first housing 120 is a second housing 140 and in turn accommodates a hinge 150 and a damping element 160 and a support column 104.
  • the first housing 120 slides coaxially over the second housing 140, more precisely over its outer surface 141, as indicated by the Arrow 189.
  • the up-down movement of the first housing 120 is converted into the corresponding up-down movement of the damping element 160.
  • the first driver 161 mounted in the damping element 160 moves in the opening 142 for the passage of the first driver 161 in the second housing 140, in the embodiment of FIG Figures 3 ff. shown Embodiments a slot.
  • the first driver is fixedly connected to the first housing 120. From a comparison in particular the FIGS. 3B and 4C It can be seen that the damping element 160 after applying a certain weight G on the seat surface 185 by a certain distance W (s. FIG. 4C ) has moved down.
  • a second driver 131 is actuated.
  • the second driver 131 is like the first driver 161 fixedly connected to the first housing 120. If the first housing 120 moves, the second driver 131 is also moved accordingly.
  • the second driver 131 presses on the lever 130. In this way, the lever 130 is deflected, as shown in the FIGS. 4 , The in the Figures 3 ff.
  • an L-shaped lever is provided, which is mounted about a horizontally arranged in the rest state parallel to the backrest pivot bearing 106.
  • the bore 110 is provided for this purpose as a receptacle.
  • an opening 127 is provided, into which the bearing 190 is inserted, so that the lever 130 can be mounted on the support column 104.
  • a tension spring 134 is connected to the first end 132 of the lever 130.
  • the tension spring 134 is a means for returning a damping element upon reduction of the applied weight G. If the surface 185 is relieved, i. H. taken away or reduced the weight G, the surface 185 moves accordingly upwards, d. H. against the weight G, and moves the first driver 161 and the second driver 131 also upwards.
  • the tension spring 134 supports this return movement, since it has a tendency to return from the extended state to the relaxed state.
  • the first end 135 of the tension spring 134 is connected to the base plate 170.
  • the opposite end, the second end 136 of the tension spring 134 is connected to the lever 130, more precisely with its first end 132.
  • an adjusting element 108 is provided to adjust the tensile force of the tension spring 134.
  • the tension spring 134 is at the same time a means which adapts the resistance of the dragging movement to a strength of the weight G correspondingly. It thus serves both to return the damping element 160 and to provide counter-pressure, ie it counteracts the movement of the surface 185 in the direction of the weight G.
  • the second end 133 of the lever 130 is connected to a compression spring 137, more specifically to the first end 138 thereof.
  • the second end 139 of the compression spring 137 is connected to the backrest 184.
  • the spring force of the compression spring 137 is adjustable via the adjusting element 109, in this case an adjusting screw.
  • the compression spring 137 is shortened, whereby the force is greater, which must be applied to deflect the backrest 184. If the backrest 184 deflected, ie inclined, it must be worked against the force of the compression spring 137.
  • the compression spring 137 is both a second means and a third means, i. it is both a means for restoring the damping element 160 upon reduction of the applied weight force (G) and a means which adjusts the drag resistance corresponding to a magnitude of the weight force (G).
  • the compression spring 137 is a fourth means in the sense of the claims, i. a means for damping the mobility of the backrest 184 relative to the surface 185.
  • lever 130 which may also be referred to as a spring lever, will be more fully understood.
  • lever 130 In supervision, it is U-shaped and engages around the first housing 120 around.
  • the first end 132 of the lever 130 points forwards, ie towards the front of the chair 80 (cf. FIG. 1 ).
  • 113 engage around the first housing 120 until they end in an L-shaped diffused second end 133 of the lever 130.
  • the connection with the bearing 190 takes place.
  • the compression spring 137 is connected.
  • the tension spring 134 which is usually provided in pairs, ie on each leg 112, 113 of the lever 130 is a respective tension spring 134 is provided to support the movement in the normal position (see. FIG. 3 Moreover, they function as a means that adjusts the drag resistance corresponding to a strength of the weight force. Moreover, a finer adjustment of the resistance and thus the damping of the tilting movement is achieved by the tension spring 134.
  • the automatic adjustment of the device 100 to the body weight of the person sitting on the surface 185 eliminates a manual adjustment of the mobility when the chair is used (compare chair 80 in FIG Fig. 1 ) by persons of different severity.
  • a setting of the chair on the body weight of the user is eliminated; only seat depth, seat height and possibly adjustments to the armrests and the backrest or from the headrests need to be made.
  • FIG. 5 shows a base plate 170.
  • the surface 185 is mounted over the central plate 171 and it is preferably slidably mounted on it, so that a seat depth adjustment can be made.
  • the central plate 171 at least one slot 172.
  • the first housing 120 is fixedly connected to the base plate 170, in the illustrated embodiment by four screws (see. FIG. 6 , in particular 6C), for which correspondingly four holes 121 are provided in the first housing 120.
  • the base plate 170 has two lateral legs 173 and 174, via the rear ends 175, 176 of the backrest 184 is connected (see. Figures 3 and 4 ).
  • FIG. 6 shows a first housing 120 in detail. With its first end 122 it is connected to the base plate 170, as explained above. In the region of the first end 122 is at least one bore 124 for the second driver 131 (see. FIG. 3 and 4 ). In the illustrated embodiment, the second driver 131 is provided twice, according to two holes 124 are attached. In this way, a second driver 131 presses on each leg 112, 113 of the lever 130. At the opposite end, the second end 123, more precisely in the region of the second end 123, there is at least one bore 125 for the attachment of the first driver 161 The illustrated embodiment, two first driver 161 are provided, correspondingly, two bores 125 are provided.
  • the inside 126 of the first housing 120 slides on the outside 141 of the second housing 140 (see FIG. Fig. 3B and Fig. 4C ).
  • FIG. 7 shows different views of the bearing 190, more specifically FIG. 7A shows a side view, FIG. 7B a supervision and FIG. 7C a bottom view.
  • the rounded central part 191 is fastened to the second housing 140, for which purpose two bores 192 ', 192 "are provided, and the lever 130 is fastened via two lateral bores 193 via the corresponding first bores 110 of the lever 130 (cf. FIG. 8 ).
  • a guide 194 is provided in the manner of a through hole, in which an adjusting element (not shown), in particular a cable, is guided for adjusting the seat height of the chair. The adjusting element engages on the actuating element 2 (see Fig. 2 ) at.
  • the second housing 140 has at least one opening 142, in the present embodiment a slot. Through the opening 142 of the first driver 161 engages.
  • the second housing 140 has at least one opening 142, in the present embodiment a slot. Through the opening 142 of the first driver 161 engages.
  • the first driver 161 provided in the in the Figures 3 ff. illustrated embodiment, two first driver 161 are present, so two openings 142 are correspondingly available.
  • the inside of the second housing 140 has an inwardly projecting shoulder 143, the z. B. can serve as a stop for the damping element 160.
  • the damping element 160 can be pushed to the stop on the shoulder 143 within the second housing 140 in the direction of the surface 185.
  • a joint receiving area 144 In the second housing 140, two areas are provided, a joint receiving area 144 and a receiving area for the damping element 145.
  • the two areas may be structurally distinguishable from each other, as in Fig. 9 represented by the one region has a smaller diameter than the other and a shoulder 143 is designed as a stop, or they can adjoin one another seamlessly.
  • the joint receiving portion 144 the joint 150 is received and in the receiving area for the damping element 145 the Damping element 160.
  • FIG. 10 shows an alternative embodiment of a second housing 240. It serves to receive a hemispherical joint (not shown) and correspondingly has a hinge receiving portion 244 with a convex surface portion 248, which adjoins a receiving portion for the damping element 245, in which a damping element (eg. the damping element 60, 160, 260, 360, 460 or 560) can be arranged.
  • the convex surface area 248 is formed as a hemisphere, which closes the second housing 240 upwards.
  • second housing 140 and with the same function also has the second housing 240 over the surface area 248 two holes 246, 247 on.
  • On the outer surface of the second housing 241 slides a first housing, such as a first housing 120.
  • a first housing such as a first housing 120.
  • an opening 242 is provided on the outer surface of the second housing 241 for reaching through at least one driver, such as the first driver 61 or 161.
  • FIG. 11 shows an embodiment of a joint 150. This is a so-called ball joint. It can be accommodated in a second housing 140, as shown in FIG Figs. 3-9 described. Alternatively to the in Fig. 11 shown ball joint, for example, a joint in the manner of a rubber sleeve can be used. In the FIG. 9 illustrated embodiment of a second housing 140 serves to receive a rubber bearing (indicated, for example, in Fig. 3A ).
  • the hinge 150 has a condyle 151 and an annular hinge support 152 which serves as a socket for the condyle 151 such that the condyle 151 is movably supported in the hinge support 152 in all directions.
  • the condyle 151 has a concave surface area 153 on its outer periphery.
  • the outer diameter of the joint mount 152 is matched to the inner diameter of the second housing 140, so that the joint mount 152 can be positively received in the housing 140, more precisely in its joint receiving area 144.
  • FIG. 12 shows an embodiment of a damping element 160. It has on its outer periphery an outer seal ring 162 and on its inner circumference an inner seal ring 163.
  • the slip rings 162 and 163 consist z. B. made of metal and z. B. with the elastic material 166, in particular a rubber between the two slip rings 162, 163 be vulcanized.
  • an elastic material z. B. Suitable springs As an alternative embodiment of an elastic material. B. Suitable springs.
  • two first driver 161 (see. Figs. 3 and 4 and Fig. 2 in relation to the damping element 60 and the two first drivers 61) can be connected to the damping element 160.
  • the dimensions of the outer and inner diameters of the damping element 160 are matched to the inner diameter of the second housing 140 and the outer diameter of the support column 104, so that the damping element 160 can be accommodated in the intermediate space between the second housing 140 and the support column 104.
  • the damping element 160 bears against both the inner surface 149 of the second housing 140 and on the outer surface 107 of the support column 104.
  • FIG. 13 shows four further embodiments of damping elements 260, 360, 460, 560, each in two views. While Fig. 12 shows an embodiment of a damping element 160 whose elastic properties are the same in all radial areas, show the Figs. 13 Designs that have partially different elastic properties from each other.
  • the damping elements 260, 360, 460, 560 are comparable to the damping element 160 and accordingly each have an outer sliding ring 262, 362, 462, 562, an inner sliding ring 263, 363, 463, 563 and bores 264, 265, 364 , 365, 464, 465, 564, 565 for receiving a driver (eg for receiving first drivers 61 or 161).
  • Elastic material 266, 366, 466, 566 is received between the slip rings 262, 263, 362, 363, 462, 463, 562, 563.
  • a damping element 260 is shown having four sectors 267a, 267b, 267c, and 267d each having different elastic properties, with the diagonally opposite sectors 267b and 267d having the same elastic properties.
  • damping elements 360 and 460 each have two sectors 367a, 367b and 467a, 467b with different elasticity.
  • the damping element 560 has three such sectors 567a, 567b, 567c.
  • the Figures 13D, 13F, 13H each show side views of the damping elements 360, 460, 560. It can be seen that the damping elements 360, 460, 560 have regions with different heights H, h.
  • the sector 367a or 467a of the damping element 360 and 460 is higher than the adjacent sector 367b and 467b, respectively.
  • the damping element 560 has three regions of different height and thus different elasticity: the sector 567c is higher than the sector 567b, which in turn is higher than the sector 567a.

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  • Chairs Characterized By Structure (AREA)

Claims (15)

  1. Dispositif (1, 100) pour une chaise (80)
    avec un élément amortisseur (60, 160, 260, 360, 460, 560),
    avec une colonne de support (4, 104) sur laquelle l'élément amortisseur (60, 160, 260, 360, 460, 560) est placé et le long de l'extension en longueur de laquelle l'élément amortisseur peut être déplacé
    et avec une articulation (50, 150),
    cependant qu'un degré d'amortissement d'un mouvement d'une surface (85, 185) qui sert à absorber une force de poids (G) peut être réglé par l'articulation (50, 150) par une modification d'une distance (d, D) entre l'élément amortisseur (60, 160, 260, 360, 460, 560) et l'articulation (50, 150),
    caractérisé en ce
    que l'élément amortisseur (60, 160, 260, 360, 460, 560) est déplaçable dans le dispositif (1, 100) en étant commandé par la force de poids,
    le dispositif (1, 100) présentant un premier moyen qui traîne l'élément amortisseur (60, 160, 260, 360, 460, 560) en appliquant la force de poids (G) sur la surface (85, 185) et modifiant ainsi la distance (d, D) entre l'élément amortisseur (60, 160, 260, 360, 460, 560) et l'articulation (50, 150) et
    un second moyen pour le rappel de l'élément amortisseur (60, 160, 260, 360, 460, 560) en réduisant la force de poids appliquée (G).
  2. Dispositif (1, 100) selon la revendication 1, caractérisé en ce qu'il est prévu un troisième moyen qui adapte la résistance du mouvement de traînée de manière correspondant à une puissance de la force de poids (G).
  3. Dispositif (1, 100) selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu comme second et/ou comme troisième moyen au moins un ressort (134, 137), en particulier un ressort de compression ou de traction.
  4. Dispositif (1, 100) selon l'une des revendications précédentes, caractérisé en ce que le premier moyen est au moins un premier entraîneur (61, 161), relié à l'élément amortisseur (60, 160, 260, 360, 460, 560), qui est en relation avec la surface (85, 185) pour absorber la force de poids (G), cependant qu'en particulier la force de poids (G) est introduite lorsqu'une personne s'assied sur la surface (85, 185).
  5. Dispositif (1, 100) selon la revendication 4, caractérisé en ce que la surface (85, 185) est reliée à un premier boîtier (20, 120) qui est en relation avec l'élément amortisseur (60, 160, 260, 360, 460, 560) par le premier entraîneur (61, 161).
  6. Dispositif (1, 100) selon la revendication 5, caractérisé en ce que l'élément amortisseur (60, 160, 260, 360, 460, 560) est placé entre la colonne de support (4, 104) et le premier boîtier (20, 120), en particulier cependant qu'un second boîtier (40, 140, 240) est prévu qui loge l'articulation (50, 150) et la colonne de support (4, 104) et au-dessus duquel le premier boîtier (20, 120) glisse, cependant que le second boîtier (40, 140, 240) présente au moins une ouverture (142, 242) pour le passage du premier entraîneur (61, 161).
  7. Dispositif (1, 100) selon l'une des revendications 2 à 6, caractérisé en ce qu'un second entraîneur (131) est prévu qui actionne le second moyen et/ou le troisième moyen, cependant que le second entraîneur (13) est mobile par l'application de la force de poids (G), en particulier cependant que le second entraîneur (G) agit, en étant commandé par la force de poids, sur un levier (30, 130) sur lequel au moins un ressort (134, 137) est fixé comme second et/ou troisième moyen et actionne celui-ci.
  8. Dispositif (1, 100) selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu un quatrième moyen qui peut être actionné par l'application de la force de poids (G) sur la surface (85, 185) et qui est relié à un dossier (84, 184) de la chaise (80), cependant que le quatrième moyen provoque un amortissement d'une mobilité du dossier (84, 184) par rapport à la surface (85, 185).
  9. Dispositif (1, 100) selon la revendication 8, caractérisé en ce que le quatrième moyen comprend un levier (30, 130) qui présente un corps d'amortissement, en particulier un ressort de compression (137), qui est à son tour fixé au dossier (84, 184) au moins indirectement, cependant que le levier (30, 130) peut être actionné par un second entraîneur (131) qui est mobile par l'application de la force de poids (G) sur la surface (85, 185).
  10. Dispositif (1, 100) selon l'une des revendications 2 à 6, caractérisé en ce que la surface (85, 185) est reliée au premier boîtier (20, 120) par une plaque de base (70, 170), cependant que la plaque de base (70, 170) et le premier boîtier (20, 120) sont reliés de manière fixe l'un à l'autre et en particulier cependant que la surface (85, 185) est positionnée déplaçable sur la plaque de base (70, 170).
  11. Dispositif (1, 100) selon la revendication 10 en relation avec la revendication 8 ou 9, caractérisé en ce que le dossier (84, 184) est articulé sur la plaque de base (70, 170) et que le second entraîneur (131) est prévu sur le premier boîtier (20, 120) ou la plaque de base (70, 170).
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'élément amortisseur (60, 160, 260, 360, 460, 560) est un élément en forme de disque avec du matériau élastique (166, 266, 366, 466, 566), cependant qu'en particulier le matériau élastique(166, 266, 366, 466, 566) est placé entre un anneau de glissement intérieur (163, 263, 363, 463, 563), en particulier en métal, et un anneau de glissement extérieur (162, 262, 362, 462, 562), en particulier en métal.
  13. Dispositif selon la revendication 12, caractérisé en ce que l'élément amortisseur (60, 160, 260, 360, 460, 560) est divisé en secteurs (267, 367, 467, 567), cependant que les secteurs présentent un matériau élastique (166, 266, 366, 466, 566) avec différentes propriétés élastiques et/ou différentes hauteurs (h, H).
  14. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'articulation (50, 150) est un joint à rotule ou un palier en caoutchouc.
  15. Chaise (80), en particulier chaise de bureau, avec un dispositif (1, 100) selon l'une des revendications précédentes.
EP12715001.9A 2012-04-02 2012-04-02 Dispositif dans un siège et siège Not-in-force EP2833759B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/055984 WO2013149646A1 (fr) 2012-04-02 2012-04-02 Dispositif dans un siège et siège

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EP2833759A1 EP2833759A1 (fr) 2015-02-11
EP2833759B1 true EP2833759B1 (fr) 2016-02-03

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EP12715001.9A Not-in-force EP2833759B1 (fr) 2012-04-02 2012-04-02 Dispositif dans un siège et siège

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EP (1) EP2833759B1 (fr)
WO (1) WO2013149646A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ20131007A3 (cs) 2013-12-16 2015-07-01 Peška-Židle A Křesla S.R.O. Zařízení pro balanční volitelné uspořádání sedáku židle
CZ2014205A3 (cs) * 2014-03-28 2015-05-20 Peška- Židle A Křesla S.R.O. Balanční uspořádání židle
CA3044170C (fr) * 2016-12-20 2022-03-29 Kokuyo Co., Ltd. Chaise
NO343925B1 (no) 2017-10-20 2019-07-08 Ekornes Asa Sittemodul
CN113229655B (zh) * 2021-04-22 2022-01-21 安吉德卡办公系统有限公司 一种椅座机构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29700437U1 (de) * 1996-07-23 1997-11-27 Fritz Becker KG, 33034 Brakel Bewegungsstuhl
US6209958B1 (en) 1998-10-23 2001-04-03 Haworth, Inc. Universal tilt mechanism for a chair
DE102006021439A1 (de) 2005-07-21 2007-02-22 Neubert, Frank, Dipl.-Designer Stuhl, insbesondere Bürostuhl und Gelenkvorrichtung für einen Stuhl
DE102010016989B4 (de) 2010-05-18 2014-02-13 Jürgen Rieck Kippvorrichtung zum Neigen einer Fläche, insbesondere einer Sitzfläche und Stuhl mit einer solchen Kippvorrichtung

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EP2833759A1 (fr) 2015-02-11

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