CN110087508A

CN110087508A - Chair

Info

Publication number: CN110087508A
Application number: CN201780077545.4A
Authority: CN
Inventors: S·迪茨; P·瓦格纳
Original assignee: Topstar GmbH
Current assignee: Topstar GmbH
Priority date: 2016-10-14
Filing date: 2017-10-13
Publication date: 2019-08-02
Also published as: EP3525627C0; WO2018069493A1; EP3525627A1; DE202016105769U1; EP3525627B1; DE202017006753U1

Abstract

The present invention relates to a kind of chair (10), it is with chassis (26) and seat (12), seat (12) has seat surface (14) and optional backrest (16), tilting gearing (42) is arranged between chassis (26) and seat (12), seat (12) is movably coupled to tilting gearing (42) by support construction (20), the part that tilting gearing (42) has shell (24) and support construction (20) extends in shell (24) is at least partly surrounded by elastic material (45), elastic material (45) is preferably mounted in more part enclosures (24).The invention further relates to the tilting gearings (42) for being used for chair (10).

Description

Chair

Technical field

The present invention relates to a kind of chairs, with chassis, seat and tilting gearing.

Background technique

Chair especially usually can usually be borrowed with backrest and the usual stool or chair having there are two handrail Help air spring and adjusts height of seat along vertical direction.In addition, office chair should be especially moveable, so as to surely Fixed and reinforcement muscle of back is to prevent back pain.Therefore, chair usually can be rotated around trunnion axis.

The pivot of this chair is usually related to following facts, that is, includes the entire seat surface work of backrest and handrail It can only pivot, i.e., usually be tilted backwards in one direction for rigid fixation structure.On the other hand, sideways banking motion is logical It often may or not be only limitted to the angle of very little.

In order to further improve the sitting comfort of user and in view of ergonomics, it is desirable to be able to around perpendicular to The more than one axis of vertical direction, preferably it is all it is conceivable that direction on make include optional backrest and handrail seat Chair rotation.

For example, 2 515 714 B1 of EP discloses a kind of chair with tilting gearing.The tilting gearing has a bullet Property body, the elastomer are strongly attached to a rigid plate in downside and top.The tilting gearing is mounted on the upper end of gas spring. Made according to the tilting gearing of 515 714 B1 of EP2 include optional backrest and optional handrail seat composition it is whole A structure can backward and at least side tilts.

Nonetheless, it is intended that backrest and seat surface can also move independently of one another, for example, change seat surface and backrest it Between angle.

Summary of the invention

Therefore, a kind of from the improved chair of ergonomics angle the task of the present invention is providing.Particularly, this hair Bright task is to provide chair, and wherein seat can move in all directions, and wherein seat different piece (such as The part of seat surface or seat and backrest) it can move independently of one another.In addition, task of the invention also resides in and provides one kind Chair, wherein seat can be rotated with relatively large tilt angle.

The task is solved by chair according to claim 1.Other advantages and features of the present invention are by appurtenance Benefit requires to obtain.

According to the present invention, chair includes chassis and seat, the seat have seat surface and optional backrest with And optional handrail.Tilting gearing is arranged between chassis and seat, and seat is movably coupled to institute by a support construction State tilting gearing.Tilting gearing has a shell, and a part for extending in the shell of the support construction at least partly by Elastic material surrounds.

Chair, which may be considered, not to be had backed stool, the chair of only one backrest or helps with backrest and two The chair of hand.For stool, seat only includes a seat surface, for chair, seat include seat surface and backrest and Optional handrail.Seat surface and backrest can be formed as two individual components, or be formed as single component, it is preferred that Ground, backrest can be moved relative to seat surface, especially can forwardly and rearwardly be pivoted.

The seat of chair is kept or is opened by support construction, and particularly the seat of chair is connected to the branch Support structure.Preferably, support construction is extended in different directions from tilting gearing, first then up to side, and in its end Place is connected to seat, especially at the different points at seat.Support construction is preferably limited in the end of its different directions For receiving the receiving plane at seat.Support construction is also possible to a part at seat, for example, if seat cushion and possible backrest It is opened on the bar for belong to seat structure.Preferably, the element of support construction is rod-shaped elements, such as is designed as aluminum pipe or steel Pipe.

The part that support construction extends in the shell is movably mounted in the elastic material in tilting gearing or elasticity On material.Preferably, support construction is installed in the shell in the following manner, even if itself or its each element is (preferably each other solely It can on the spot) be pivoted around any axis.It can also be tilted only around the axis of at least level of approximation, wherein with vertical axis at reaching 80 ° Angle mean that be at least level of approximation.Rotation around the axis of all at least level of approximation is preferably possible, that is, User can tilt in all directions.However, banking motion may be limited to the differing tilt angles on different directions, that is, If tilt angle is too high, tilting gearing can encounter backstop, stop element especially described below.In advantageous design In, its surface of part that support construction extends in the shell surrounds or is embedded in elasticity completely or at least over 80% by elastic material Material.

Advantageously, tilting gearing allow seat (including seat and backrest are as independently as possible) tilt forward and backward and It is tilted to the two sides of seated person.These banking motions can also occur simultaneously, that is, be combined with each other.

In an advantageous embodiment, it is drawn close at one or two point of each element of support construction in the shell, especially It is that they are connected or be connected to each other at this point with certain interval, each element is moved independently of one another.This tool It has the advantage that, i.e., when being sitting on chair, the mobility at seat increases, and thus can adapt to the adjusting at seat in user Ergonomics.

According to preferred embodiment, support construction has one or more elements, and seat is connected to tilting gearing and outside Seat surface is at least partly parallel in elastic material in shell.Preferably, being arranged essentially parallel to seat surface means member Part-is in the middle position-of seat and seat surface at 10 ° of angle and with vertical axis at the angle for being greater than 80 °.It is moving In the process, element can also be with horizontal plane (perpendicular to the plane of vertical axis) at maximum 25 ° of angle.Support construction preferably has Have and limits a receiving plane in the region at seat to receive the element at seat.Therefore, the element of support construction should be in difference There are at least three ends, it is therefore preferred to have four ends on direction.In the shell, element is preferably connected with certain interval each other It connects.By the way that element links together, prevent element from easily removing or skidding off from shell.

The shell of tilting gearing have the upper side and lower side, between at least keep an elastomer made of elastic material, And wherein at least one element of support construction is inserted between the upper side and lower side in shell and at least partly by elastic material In surrounding shell.Elastomer can be single-piece or multi-piece type.Elastomer can be by foam or filled with gel or microballoon etc. One or more bags be made.The essential characteristic of elastomer is elastically deformable.When at least one element of support construction moves When, elastomer elastically deformable is especially compressible, and applies restoring force on the support structure, to be returned among it Position.Elastomer from medial support its own against shell, so as to apply the restoring force.

After assembling chair, the top side and downside of shell are securely coupled with each other, or removably or non-dismountable Ground especially by screw, such as flat head screw, or by another rigid connection, such as plug connection, or is locked by material Fixed connection, such as welding, welding or gluing.Shell is made of metal, and especially aluminium or steel is but it is also possible to be solid plastic.Support Structure is installed in the elastomer, it is ensured that the high mobility of support construction.Which ensure that when being sitting on chair seat human body work Learn mobility.

Preferably, support construction extends in the shell part or support construction are in the region that it is surrounded by elastic material At least one element have elongated cross section.Elongated cross section particularly relates to the part that support construction extends in the shell At least there is elongated cross section in one section extended perpendicular to it.Elongated cross section prevents the element of support construction It is distorted in no resistance.On the contrary, the member in the elastic material of support construction being completely embedded in the region of elongated cross sections Part can overcome the elastic resistance of elastic material to distort.This enables seat to prolong inside the shell around the element with support construction The parallel axis rotation in the direction stretched.Preferably, the direction is at least substantially parallel to backrest, that is, includes with backrest at reaching 10 ° of angle.In other words, the support construction element in tilting gearing is preferably transverse direction, and when user tilts backwards, Support construction element rotates as described above.Cross section can be rectangle or ellipse.Furthermore it is possible to expect, cross section Region is substantially circular, and provides the other protrusion for offsetting element rotation.

According to one embodiment of present invention, elastic material has at least one groove, and an element of support construction holds It is contained in the groove.When elastomer is formed by elastic foam material, groove is set in the elastomer of the embodiment, the groove Preferably there is the shape with the element complementary of support construction.Groove preferably has surface element, and support construction is resisted against this On surface element.If elastomer design is pouch, for example, one or more lugs can be provided, the element of support construction can To be inserted.Each element of support construction keeps appropriate location in the shell by lug or groove.

The elastomer made of elastic material is arranged in the shell of tilting gearing, and thus elastomer is formed as one or more A part.Elastomer can one or more pouches (i.e. granular media etc.) by foam or filled with gel or microballoon be made. The essential characteristic of elastomer is elastically deformable.When support construction at least one element movement when, elastomer be it is deformable, It is especially compressible.

In some designs, elastomer is divided into the several segments with dual extension-compression modulus or Shore hardness.This means that Elastomer can be deformed in various degree at different points.Particularly, the border surface between each section is tied transverse to support The longitudinal of the element of structure extends.This allows to accurately adjust the resistance of the revolving part of support construction in a desired direction, That is, keeping inclination more easily or more difficult.In addition, if elastic element is divided into two parts in vertical direction, then be conducive to make Tilting gearing is made, so that during manufacture, the element of support construction can pass through before closing at the top and bottom of connection in shell It is inserted between half portion.

Preferably, elastomer include rubber, natural rubber, the plastics such as polyurethane of elastically deformable or filled with gel or The volume of granule medium, or by one of these materials or a variety of form.

According to one embodiment, at least one stop element is arranged inside the shell, to limit support construction along at least one The movement in direction.

Stop element is preferably located in the centre of shell, but stop element also can be set in side.Stop element can To form shell wall.In other embodiments, stop element is loosely arranged between each section of elastomer, that is, is unsecured to To shell.However, it is also possible to expect that stop element is fixed to shell.The part that support construction extends in the shell particularly and only Keep off element contact.In some embodiments, this element for being related to support construction has the part of elongated cross section, when seat pivot When turning, part rotation, the rotation is limited by stopping element.Stopping element, stopping element limitation branch can also be used The rod-shaped elements of support structure surround the pivoting action of the axis of the longitudinal direction transverse to rod-shaped elements.

Support construction preferably includes at least one rod-shaped elements, which is mounted in tilting gearing, at least base It is parallel to seat surface on this and supports seat surface and/or backrest, so that movable twelve Earthly Branches support them.Therefore, support construction Rod-shaped elements the seat of chair is extended to from tilting gearing, in particular at least one rod-shaped elements also opens connecing for seat It is closed flat face.

Support construction preferably has at least two rod-shaped elements, each rod-shaped elements respectively in tilting gearing guidance or Seat or backrest are supported by tilting gearing and therefrom.Therefore, there are four end, four ends for two rod-shaped elements tools Portion from tilting gearing extend to side and upwards and keep seat.It is contemplated that several ends of setting rod-shaped elements are to prop up Support seat or backrest.The both ends of rod-shaped elements particularly preferably keep seat and two backrests.Particularly, the both ends of rod-shaped elements Seat is kept, and the both ends of another rod-shaped elements keep backrest.It has the advantage that backrest and seat surface can be with those This is independently moved.The movement of rod-shaped elements is limited by the elastomer in stopping element and/or shell or is flexibly bounced.

Two rod-shaped elements preferably pass through tilting gearing and at least substantially guide in parallel with each other, and preferably each other It is separately mounted in the elastic material in shell.This means that rod-shaped elements can move independently of one another, especially rotate. Which improve the ergonomics of the chair of user.

The rod-shaped elements of support construction are preferably designed so that two parts, and wherein two parts are inserted into inclination dress from opposite side respectively In the shell set.In the shell, described two parts are preferably arranged to be intermeshed.Furthermore it is possible to expect, it is two-part rod-shaped Element is contacted with the stopping element being arranged within the casing.Since rod-shaped elements are designed as two parts, the mobility of support construction increases Add, this is conducive to the ergonomics of chair again in turn.

Preferably, two parts of rod-shaped elements are movably coupled with inside the shell each other.Term " movably connects Connect " mean rod-shaped elements with gap interlocking or each of have be connected to stopping element with gap.For example, gap is wrapped Include the rotation for reaching 30 ° relative to each other or reaching 20 °.Rod-shaped elements can for example be moved around its fixed point.

In addition, support construction or rod-shaped elements are preferably made of metal tube, especially steel or aluminium alloy.Support construction or Rod-shaped elements can also be made of carbon or thermosetting plastics or timber.Substantially, support construction is by can not or only can slight bullet Property deformation material be made.

According to preferred embodiment, shell has the upper side and lower side, and optionally has side wall in two sides.These are not exhausted To necessary.They can be bent by the upper side and lower side and be formed against each other.In other two sides, the element quilt of support construction Guidance is into tilting gearing, in some embodiments without side wall；It is used for however, this can also provide herein and be provided with The opening of support construction.The upper and lower surface of shell need not continuous structure (therefore not being open), they be used as elastic material branch It supports and also can be configured to grid.Shell can be single-piece or multi-piece type, especially two-piece type.For example, if shell system Make as single-piece, then shell preferably has rotation axis, during assembly top side and downside can around the rotation axis relative to It is mutually rotating.For example, the upper side and lower side of shell is for example complimentary to one another, therefore the two if Shell structure is at two parts It can be engaged with each other.Preferably, top side and downside are in assembled state, especially closely tighten or rivet or is glued together Deng.

Shell is preferably made of non-deformable material, especially thermosetting plastics or metal or timber or carbon.It can not The shell of deformation provides fixed volume, wherein support construction or rod-shaped elements can on elastomer or between move.

Shelling machine is used to be mounted on the chassis with connection, especially have guiding piece for being engaged with chassis or Screw thread.Shell can be preferably mounted on compression spring device, allow tilting gearing and to make seat press by operation Contracting spring is vertically moving.

In one form, shell has the upper side and lower side, adjustably changes the distance between the upper side and lower side, thus Adjust the pretension of elastic material.Particularly, screw-nut connection is with making adjustments option.For example, by making nut and screw court It moves towards each other, thus it is possible to vary the distance between top side and downside.If the pretension of elastic material increases apart from reduction. On the other hand, if apart from increase, the pretension of elastic material reduces.This realizes the integral strength for adjusting tilting gearing (being more difficult or more easily tilt seat).

However, the invention further relates to a kind of tilting gearings for chair, it to be especially used for seat as described above Furniture, has shell, and a part that the support construction of chair extends in the shell is at least partly surrounded by elastic material.Root According to one embodiment of the present of invention, at least one elastomer made of elastic material is kept in the shell, and elastomer includes rubber Glue, natural rubber, the plastics of elastically deformable, such as polyurethane, or the volume filled with gel or granule medium.

Another kind form according to the present invention, elastomer are formed as one or more parts and/or are divided into different bullets The several segments of property modulus or Shore hardness.Shell preferably by not or only can the material of slight deformation be made, especially thermosetting property Plastics or metal or timber or carbon.

Detailed description of the invention

Other advantages and features of the present invention are obtained by the description to the preferred embodiment below with reference to attached drawing.It should manage Solution, each each embodiment shown in figure can have the feature that may be used in other embodiments, even if not clear Illustrate, is only excluded due to technical conditions or clearly.Detailed description of the invention:

Fig. 1 chair from the perspective view of side,

Fig. 2 according to the basiscopic perspective view of the chair of Fig. 1,

The different views of the shell of Fig. 3 a-c installation, respectively plan view (Fig. 3 a) side view different with two (Fig. 3 b With Fig. 3 c),

The decomposition view for the tilting gearing that Fig. 4 is designed according to the present invention,

The decomposition view of the tilting gearing of Fig. 5 another version according to the present invention, wherein support construction is partly outside Extend in shell,

The cross section of the tilting gearing of Fig. 6 another version according to the present invention, wherein support construction extends in the shell,

The decomposition view of the tilting gearing of Fig. 7 another version according to the present invention, wherein support construction is partly outside Extend in shell.

Specific embodiment

Fig. 1 shows the perspective view from the seat 10 of unilateral observation.As shown in Figure 1, seat 10 is the chair with seat 12 Son.Seat 12 has seat surface 14, backrest 16 and two handrails 18.Seat 12 is mounted in support construction 20, such as is passed through The combination that screw, adhesive or contracting set connect or pass through listed connection.As shown in Figure 1, support construction 20 has rod-shaped elements 22, Rod-shaped elements 22 extend between seat 12 and the shell 24 of tilting gearing 42.Rod-shaped elements 22 extend through tilting gearing 42 simultaneously And it movably and is elastically mounted in elastic material 45 there.Shell 24 is attached to chassis 26, and chassis 26 can be such as Compressed spring is accommodated, so that being possible along the height adjustment of vertical axes 28.Chassis 26 has foot 30, such as in cross, It stands on floor.

Fig. 2 shows the lower perspective views according to the chair 10 of Fig. 1.Compared to Figure 1, it can be seen that having in Fig. 2 The support construction 20 of four parts of two rod-shaped elements 22 or rod-shaped elements is how to keep seat 12.Support construction 20 exists Extend in the region of seat surface 14 and backrest 16, seat surface 14 and backrest 16 are accommodated by them.This means that Each cross over of the rod-shaped elements 22 of support construction 20 is preferably directed towards for the surface of seat surface 14 and backrest 16 toward each other Inclined surface.In order to accommodate seat surface and/or backrest, support construction 20 can have other holding element 23 (especially It is the form for pipe or bar), it does not extend to shell 24 and extends between two rod-shaped elements 22.The end of handrail 18 and every One end of a rod-shaped elements 22 is engaged with each other, so that support construction 20 be made to combine and stablize.

Fig. 3 a-c shows the top view of the shell 24 in Fig. 3 a), figure b) and c) in closure side view. Shell 24 be substantially cuboid, and turning and/or side can be it is round and smooth.Preferably, shell has flat on it Case surface 32, be oppositely arranged with seat surface 14.The bottom surface 36 of shell is located at the opposite of case surface 32.Downside 36 With cylindrical portion 38.Cylindrical portion 38 is used as connector 40, for installing shell 24 to chassis 26 or installation On chassis 26, it is particularly wall-mounted in gas spring.Particularly, connector 40 has at least one guiding piece or at least one spiral shell Line, it may be connected to chassis 26 and/or downside 36.Shell 24 is a part of tilting gearing 42, enables seat 12 to side Face posteriorly or anteriorly tilts.There is no two opposite sides of side wall from shell as shown in Figure 3b, rod-shaped elements 22 extend outer Shell 24.

The exploded view of tilting gearing 42 is as shown in Figure 4.Tilting gearing 42 includes elastomer 44, according to Fig. 4, elastomer 44 Be formed as multiple portions, i.e. four parts.However, it is also possible to expect for elastomer 44 being integrally formed, or with top under Portion forms two parts.Elastomer 44 is preferably divisible into the several segments with dual extension-compression modulus or Shore hardness.Therefore, elastomer It can be deformed at difference with different extent of elasticity.This allows for support construction to be adjusted to be easier in a desired direction Or it rotates with being more difficult.Elastomer 44 is preferably made of elastic polyurethane, forms the elasticity for rod-shaped elements 22, i.e. portion Divide the support of surrender.Preferably, elastomer 44 is provided with the groove 46 for being used to support each element of structure.Preferably, backstop Element 48 is centrally disposed in shell 24.They are used as the retainer of the rod-shaped elements 22 extended in the shell, especially use In preventing seat from turning forward too much.Stop element 48 is made preferably of metal, such as steel or thermosetting material, feature It is that it is substantially stiff or can slight deformation.The upside 34 of shell 24 and downside 36 interlock, and each tool There is at least one to have the connector of through-hole 50.If upside 34 and downside 36 are fitted to each other, screw 52 can never side The side of wall is inserted into across through-hole 50, and upside 34 and downside 36 are connected to each other.

Fig. 5 shows the decomposition view of tilting gearing 42 or shell 24, where it can be seen that extending partly within the housing Support construction 20.Multi-section divides elastomer 44 to be arranged between upside 34 and downside 36, on the upside of the assembling 34 and downside 36 after, Upside 34 and downside 36 can be mutually offset or not be mutually offset.According to Fig. 5, the cloth between two sections that multi-section is divided to elastomer 44 It sets there are two stopping element 48, the retainer as rod-shaped elements 22.Rod-shaped elements 22 can rotate in shell 24, until it Contacted with stopping element 48 and movement of therefore stopping rotating.

Rod-shaped elements 22 have in shell 24 to be fixed to one another with gap.In the frame in the gap, rod-shaped elements 2 can be with It individually moves, i.e., moves independently of one another.In order to transmit gap and be fixed to one another two parts of each rod-shaped elements 22, They are pulled on trapped orbit 54 and are connected to admittedly such as by rigid connection such as nail joint, riveting, screw thread or screw On orbit determination road 54.However, this is primarily to prevent from loosening, two parts of each rod-shaped elements 22 for example reach between each other The slight torsion and rotation of 30 ° of relative angle should keep feasible, so that they still are able to move independently of one another.

Downside 36 has cylindrical portion 38.Extension 38 is used as connector 40, for installing shell 24 to chassis It 26 or is mounted on chassis 26.Particularly, there is connector 40 at least one may be coupled to the screw thread of chassis 26.

Tilting gearing 42 includes shell 24, elastomer 44, the rod-shaped elements 22 of support construction 20 and optional at least one A stable element 48.

Fig. 6 is shown along the cross section of tilting gearing 42, especially along the rod-shaped elements 22 for passing through shell and extending, here for Two-part pipe 22.Two parts of pipe 22 there is circular cross section outside the shell and at the center of shell to be flat and And it is pulled on the trapped orbit 54 of there and trapped orbit 54 is movably coupled to by rivet or screw 58.This company Connecing can also be generated by riveting or screw thread.It two parts of rod-shaped elements 22 for example can be along 58 around the pivot point of double-head arrow 60 inclinations, especially tilt independently of one another, and also with itself rotation.It is understood that independent pivot and torsion hair Life is in the frame in the gap of rod-shaped elements 22.

At the center of shell 24, rod-shaped elements 22 are contacted at least one stop element 48.Rod-shaped elements 22 are by elastomer 44 surround in the shell.In this example, this is divided into six sections 44a, 44b, 44c, 44d, 44e, 44f, can have difference Shore hardness.The distribution of Shore hardness is preferably with intermediate symmetry, that is, section 44a and 44f, 44b and 44e and 44c and 44d Respective Shore hardness having the same.Each section is generally divided into upper and lower part, surrounds rod-shaped elements 22.

Fig. 7 shows another decomposition view of tilting gearing 42 or shell 24, is similar to Fig. 5.However, in 34 He of upside Between downside 36, multi-section divides elastomer 44 to be formed as elastic half-shell 44, is not filled with the entire inside of shell 24, but only around Rod-shaped elements 22 are to ensure their resilient support.Here, stop element 48 also be disposed on more partial elastic half-shell 44' it Between, the stop part as rod-shaped elements 22.Rod-shaped elements 22 can rotate in shell 24, until they connect with stopping element 48 Touching and movement of therefore stopping rotating.

In addition, rod-shaped elements 22 have a cam 61, cam 61 it is fixed in a rotationally fixed manner according to the design and It is prominent between elastic half-shell 44'.The rotary motion of rod-shaped elements 22 can also pass through stop element 62, especially elastic bolster guide member Part 62 limits, and stop element 62 is especially clamped between upside 34 and downside 36, and cam 61 is against the stop element 62, The supporting cam wheel 61 when rod-shaped elements 22 rotate.If using elastic bolster guide element 62, these elastic bolster guide elements 62 can be with It is contacted in resting position with cam 61, elasticity is made to allow certain rotary motion and at the same time avoiding in the gap of resting position. Elastic bolster guide element 62 is pre-tensioner by cam 61 and elastic bolster guide element 62.

Rod-shaped elements 22 ' are preferably continuously formed, that is, are formed in shell 24 and (in rear portion, are shown in Fig. 7 Out) or rod-shaped elements 22 " are formed as separated (in front, showing in Fig. 7).Elastic half-shell 44 ' is preferably about rod-shaped Element 22 ', 22 " is arranged and hardens and be fixed in shell 24.They have the groove for cam 61.Equally herein, outside The downside 36 of shell 24 includes cylindrical portion 38.

Stop element 48 and elastic bolster guide element 62, are especially combined with cam 61 or trapped orbit 54, can be according to need It is combined with each other or is used alone, to adjust the mobility of tilting gearing 42 as needed.

Appended drawing reference:

10 chairs

12 seats

14 seat surfaces

16 backrests

18 handrails

20 support constructions

22 rod-shaped elements

23 holding elements

24 shells

26 chassis

28 vertical axises

30 feet

32 case surfaces

34 upsides

36 downsides

38 cylindrical portions

40 connectors

42 tilting gearings

44 elastomers

44' elasticity half-shell

45 elastic materials

46 grooves

48 stop elements

50 through-holes

52 screws

54 trapped orbits

56 double-head arrows

60 pivotal points

61 cams

62 elastic stopping elements

Claims

1. chair (10) has chassis (26) and seat (12), wherein seat (12) have seat surface (14) and optional Backrest (16), wherein tilting gearing (42) be arranged between chassis (26) and seat (12), seat (12) pass through support construction (20) tilting gearing (42) are movably connected to, which is characterized in that tilting gearing (42) has shell (24), and support construction (20) part extended in shell (24) is at least partly surrounded by elastic material (45).

2. chair (10) according to claim 1, wherein the support construction (20) includes one or more elements (22), the seat (12) are connected to the tilting gearing (42) and the elastic material in shell (24) by the element (45) seat surface (14) extension is at least partly arranged essentially parallel in.

3. chair (10) according to claim 1 or 2, wherein the shell (24) of the tilting gearing (42) has There are the upper side and lower side (34,36), elasticity made of at least one elastic material (45) is maintained between described the upper side and lower side Body (44), and wherein at least one element (22) of support construction (20) is inserted into shell between the upper side and lower side (34,36) (24) it is surrounded in and at least partly in shell (24) by elastic material (45).

4. chair (10) according to any one of the preceding claims, wherein the support construction (20) is described outer At least one element (22) of the part or the support construction (20) that extend in shell (24) is surrounded at it by elastic material (45) Region at least part in have elongated section, and wherein at least one element (22) of support construction (20) in its quilt There is elongated section, elastic material (45) has at least one recessed in at least part in the region that elastic material (45) surrounds Slot (46) accommodates the element (22) of support construction (20) in each recess.

5. chair (10) according to any one of the preceding claims, wherein for limiting the support construction (20) At least one stop element (48,62) setting along the movement at least one direction is interior in the shell (24).

6. chair (10) according to any one of the preceding claims, wherein the support construction (20) has at least One rod-shaped elements (22), the rod-shaped elements (22) are mounted in the tilting gearing (42), are at least substantially parallel to described It seat surface (14) and supports seat surface (14) and/or backrest (16) and supports them to movable twelve Earthly Branches.

7. chair (10) according to any one of the preceding claims, wherein the support construction (20) has at least Two rod-shaped elements (22), at least two rod-shaped elements (22) guide or pass through respectively institute in the tilting gearing (42) It states tilting gearing (42) and supports the seat surface (14) or backrest (16) therefrom.

8. chair according to claim 7, wherein described two rod-shaped elements (22) are at least substantially parallel to each other Ground is directed across the tilting gearing (42), and is preferably mounted on the elastic material of the shell (24) independently of one another Expect in (45).

9. chair (10) according to any one of the preceding claims, wherein the support construction (20) includes rod-shaped Element (22), and the rod-shaped elements (22) are respectively configured to two parts, wherein described two parts respectively since opposite side, incline by insertion In the shell (24) of ramp (42).

10. chair (10) according to claim 9, two parts of the rod-shaped elements (22) are in the shell (24) Inside movably it is connected to each other.

11. chair (10) according to any one of the preceding claims, wherein the support construction (20) or described Rod-shaped elements (22) are made of metal tube, and wherein the shell (24) is formed as one or more parts, especially two parts.

12. chair (10) according to any one of the preceding claims, shell (24) design has for installing Connector (40) on the chassis (26), particularly have for fastening guiding piece or screw thread, especially for bottom Frame (26) engagement.

13. chair (10) according to any one of the preceding claims, wherein adjustment possibility is provided, to change The distance between the upper side and lower side (34,36) of the shell (24), and to adjust the pretension of the elastic material (45).

14. being used for the tilting gearing (42) of chair, with shell (24), wherein the support construction (20) of chair exists The part extended in shell (24) is at least partly surrounded by elastic material (45).

15. tilting gearing (42) according to claim 14, wherein at least one elasticity made of elastic material (45) Body (44,44') is maintained in shell (24), and elastomer (44,44') includes rubber, natural rubber, the modeling of elastically deformable Material, such as polyurethane, or the volume filled with gel or granular media.

16. tilting gearing (42) according to claim 14 or 15, wherein the elastomer (44,44') is formed as one Or multiple portions and/or it is divided into multiple sections with dual extension-compression modulus or Shore hardness.

17. tilting gearing described in any one of 4 to 16 (42) according to claim 1, wherein the shell (24) is by immutable Shape material is formed, especially thermosetting plastics or metal or timber or carbon.