• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    ABSTRACT Disclosed is a chair (1) comprising a chair seat (2) comprising aplurality of chair frame receiving units (10). The chair further comprises a chairframe (3) comprising a number of Iongitudinal elements. Each of the receivingunits (10) has a receiving means (12) in which a respective one of the Iongitudinalelements of the chair frame (3) is received. Further, each of the plurality of chairframe receiving units (10) further has snap Iocking means. The chair (1) furthercomprises a plurality of snap-in |ids (20) being in Iocking engagement withrespective of the plurality of receiving units (10) thereby Iocking the chair frame (3)between the plurality of receiving units (10) and the plurality of snap-in |ids (20).The snap Iocking means and the snap-in |ids (20) are arranged in such a way thatwhen the snap-in |ids are moved into Iocking engagement with its respective snapIocking means, the snap-in |ids are moved substantially perpendicular to the principal plane of its respective chair frame receiving unit. (Fig. 2)
    公开号:SE1451630A1
    申请号:SE1451630
    申请日:2014-12-22
    公开日:2016-06-23
    发明作者:Davidsson Dennis；Bondéus Martin
    申请人:Kinnarps Ab；
    IPC主号:
    专利说明:

    [1] [0001] The present disclosure relates generally to a chair having a chair seatand a chair frame, a set of chair parts to be assembled into a chair and amethod for assembling a chair comprising a chair seat and a chair frame.
    [2] [0002] lt is well-known to produce seats and frames for any kind of chairs, suchas chairs with or without backs, stools etc. separately and thereafter to assemblethe separately made seat and frame. The seat and frame are then normallycoupled or interconnected by fastening means riveting, bolting or screwing usingrivets, bolts or screws passing through holes in the seat and the frame. Such aproduction and assembly method requires a rather large assembly effort andpossibly assembly equipment such as riveting machines, screw driving machinesetc. For this reason, prior art chairs may be pre-assembled during the productionprocess so that they are ready to use when they arrive at a place where they areto be used. However, pre-assembled chairs are rather bulky and therefore take up lots of storage and transport space.
    [3] [0003] Prior art chair US3393941 present a chair where a chair seat and a chairframe can be assembled without using fastening means such as screws. The seatof this chair has assembly means of plastics 2c, 2d, 2e formed during molding ofthe seat. The assembly means are shaped according to the shape of the frame tobe inserted into the assembly means. The assembly means 2e is a resilientclamping member. Due to the elasticity of the plastic material, the clampingmember is pressed by force onto the frame member and thus provides a clampingaction on this member. Such an assembly means does however not ensure stableand safe coupling, especially not over time. Further, such an assembly means isonly applicable to a certain frame size. lf a different frame size is used, a differentchair seat has to be made.
    [4] [0004] Prior art patents EP1284113 and EP2555656 present other chairs wherea chair seat and a chair frame can be assembled without using fastening meanssuch as screws. Here the frame is provided with coupling means for slidingengagement with complimentary shaped coupling means arranged on anunderside of the seat, wherein the sliding engagement takes place substantiallyparallel to the plane of the seat surface. For being able to interconnect the frameto the seat, a rather long straight frame part bearing against the seat surface isneeded, since more than the length of the coupling means of the frame added withthe length of the complimentary coupling means would be needed for being able toslide the coupling means onto each other.
    [5] [0005] Consequently, there is a need for a different solution for assembling chairseat to chair frame without needing screws or similar for the interconnection, whichsolution can be used also for frames having a short frame length adapted to bearagainst the seat surface, resulting in more degrees of freedom when designingframes. Also, the assembly solution needs to ensure safe and stable couplingbetween seat and frame.
    [6] [0006] lt is an object of the invention to address at least some of the problemsand issues outlined above. There is another object to achieve a quick and stablecoupling between a chair seat and a chair frame. lt is possible to achieve theseobjects and others by using a chair, a set of chair parts and a method as defined inthe attached independent claims.
    [7] [0007] According to an aspect of the invention, a chair 1 is provided comprisinga chair seat 2 comprising a plurality of chair frame receiving units 10, and a chairframe 3 comprising a number of longitudinal elements. Each of the plurality ofchair frame receiving units 10 has a receiving means 12 in which a respective oneof the longitudinal elements of the chair frame 3 is received. Each of the plurality ofchairframe receiving units 10 further has snap locking means 14a,14b. The chair 1 further comprises a plurality of snap-in lids 20 being in locking engagement withrespective of the plurality of snap locking means 14a, 14b thereby locking the chair frame 3 between the plurality of receiving units 10 and the plurality of snap-in |ids20. The snap Iocking means 14a, 14b and the snap-in |ids 20 are arranged in sucha way that when the snap-in |ids were moved into Iocking engagement with itsrespective snap Iocking means, the snap-in |ids were moved substantially perpendicular to the principal plane of its respective chair frame receiving unit.
    [8] [0008] Such a chair makes it possible to couple, or interconnect, a chair seat toa chair frame without using screws or similar fastening arrangements. Further,since the snapping engagement is achieved by a perpendicular movementtowards the chair seat, it is possible to attach chair frames with a relatively shortstraight part bearing against the chair seat to the chair seat, compared to prior artof EP1284113 and EP2555656 where a sliding movement has to be performed forengagement.
    [9] [0009] According to an embodiment, the snap Iocking means 14a, 14bcomprises two snaps arranged on opposite sides of the receiving means 12. Thesnap-in lid further comprises snapping edges 24a, 24b for co-operating withrespective of the snaps of the snap-Iocking means. By having one snappingarrangement with snapping edge 24a, 24b and snap 14a, 14b on each oppositeside of the receiving means 12, the chair frame will be securely held to the chairseat.
    [10] [00010] According to an embodiment, the snap Iocking means 14a, 14b has anelongated extension substantially parallel to an extension of the receiving means12 of the same receiving unit. Further, each snap-in lid 20 comprises guiding pins25a-d for guiding the movement of the snap-in lid into Iocking engagement with thesnap Iocking means so that when in the Iocking engagement the guiding pins arearranged at opposite ends of the elongated snap Iocking means. The guidingmeans both aids in guiding the snap-in lid into a correct Iocking engagement withthe snap Iocking means and also prevents a sliding movement of the snap-in lid inrelation to the chair frame receiving unit 10 when in the Iocking engagementposition. The latter is thanks to the position of the guiding pins at opposite ends of the elongated snap Iocking means.
    [11] [00011] According to another embodiment, each chair frame receiving unit 10 hasa guide pin stop 15a-d that co-operates with the guiding pins 25a-d of itsrespective snap-in lid so that the guiding pins are kept from being deformed. Theguide pin stops 15a, 15b prevent the guide pins 25a-d from flexing outwards, in adirection away from the receiving means 12, whereby the guide pins and inconsequence the whole lid is kept from being deformed over time.
    [12] [00012] According to an embodiment, each snap-in lid 20 comprises a ceiling 26equipped with a soft material 27 for receiving the chair frame. Thereby, a strongbut soft connection is achieved between the chair frame and the lid when the lid issnapped onto the chair frame receiving unit so that a chair frame has been lockedbetween the lid and the receiving unit. The risk for scratches or similar wounds onthe chair frame is lowered considerably. Further, tolerances in the chair framedimensions are taken up very well by the soft material.
    [13] [00013] According to another embodiment, each chair frame receiving unit 10and each snap-in lid 20 are made of reinforced rigid plastic, such as polypropylenereinforced with glass fiber.
    [14] [00014] According to another aspect, a set of chair parts is provided, the set ofchair parts supposed to be assembled into a chair. The set of chair partscomprises a chair seat 2 with a plurality of chair frame receiving units 10 and a firsttype 31 and a second type 32 of chair frames 3 of mutually different cross-sectional sizes, wherein each chair frame comprises a number of longitudinalelements. Each of the plurality of chair frame receiving units 10 has a receivingmeans 12 in which any of the first or second type of chair frame 31, 32 is to bereceived, each of the plurality of chair frame receiving units 10 further has snaplocking means 14a,14b. The set of chair parts further comprises a first type 20aand a second type 20b of snap-in lids 20 of mutually different sizes, adapted to bein locking engagement with respective of the plurality of snap locking means 14a,14b thereby locking one of the first type or the second type of chair frame 31, 32between the plurality of receiving units 10 and a plurality of lids of one of the firstor the second type of snap-in lids 20a, 20b. The snap locking means 14a, 14b andthe snap-in lids 20 are arranged in such a way that when the snap-in lids are moved into Iocking engagement with its respective snap Iocking means, the snap-in lids are moved substantially perpendicular to the principal plane of its respective chairframe receiving unit 10.
    [15] [00015] According to an embodiment of the set of parts aspect, the first type 31 ofchair frame has a first cross-sectional radius r31 and the second type 32 of chairframe has a second cross-sectional radius r32 different from the first cross-sectional radius. Further, the first type of snap-in |id 20a has a ceiling 26a with aradius of curvature r1 adapted to the first cross-sectional radius r31 and with aheight h1 from bottom 27 to ceiling also adapted to the first cross-sectional radiusr31_ Further, the second type of snap-in |id 20b has a ceiling 26b with a radius ofcurvature rg adapted to the second cross-sectional radius rg; and with a height hgfrom bottom 27 to ceiling also adapted to the second cross-sectional radius r32. Byadapting the lids to different chair frame sizes in such a way, it is possible to usethe same type of chair frame receiving unit for many different sizes of chairframes. This makes it possible to produce only one type of chair seat forproduction of chairs that have different chair frame sizes which makes productionof chairs with different chair frame sizes more cost-efficient.
    [16] [00016] According to another aspect, a method is provided for assembling a chaircomprising a chair seat 2 having a plurality of chairframe receiving units 10. Thechair further comprises a chair frame 3 comprising a number of longitudinalelements, wherein each of the plurality of chair frame receiving units 10 has areceiving means 12 in which a respective of the longitudinal elements of the chairframe 3 is to be positioned and snap Iocking means 14 for Iocking engagementwith a snap-in |id 20. The method comprises positioning 41 the longitudinalelements 3a of the chair frame 3 into respective of the receiving means 12, andmoving 42 substantially perpendicular to a principal plane of each chair framereceiving unit, individual of a plurality of snap-in lids 20 into Iocking engagementwith individual of the plurality of receiving units 10, thereby Iocking the chair frame3 between the plurality of receiving units 10 and the plurality of snap-in lids 20.
    [17] [00017] Further possible features and benefits of this solution will become apparent from the detailed description below.
    [18] [00018] The solution will now be described in more detail by means of exemplary embodiments and with reference to the accompanying drawings, in which:
    [19] [00019] Fig. 1 is a perspective view of a chair according to an embodiment of the invenfion.
    [20] [00020] Fig. 2 is a perspective view of a set of chair parts about to be assembled into a chair, according to an embodiment.[00021] Fig. 3 is a close-up view of one receiving unit and one snap-in |id of fig. 2
    [22] [00022] Fig. 4 is a perspective side view of a receiving unit according to an embodiment.
    [23] [00023] Fig. 5 is a perspective view from below of a snap-in |id according to an embodiment.
    [24] [00024] Fig. 6 is a perspective view of a receiving unit and a snap-in |id insnapping connection, holding a frame in between them, where parts have beentaken away to reveal the inside of the connection.
    [25] [00025] Fig. 7 is a perspective view of three different types of snap-in lids according to an embodiment.
    [26] [00026] Fig. 8 is a perspective cross-sectional side view of the three differenttypes of snap-in lids and also cross-sections of three different types of chair frames.
    [27] [00027] Fig. 9 is a flow chart describing a method for assembling a chair according to the invention.
    [29] [00029] Fig. 1 shows a chair 1 according to an embodiment of the invention. Thechair has a chair seat 2. The chair seat 2 has a seating portion 2a and a backportion 2b, however, it is also possible that the chair only has a seating portion andno back portion. The seating portion defines a seat plane. The chair 1 further hasa chair frame 3, which comprises a number of longitudinal elements. The numberof longitudinal elements may have any cross-sectional shape but isadvantageously of a circular cross-sectional shape. The longitudinal elements maybe solid or of a tubular shape. The chair frame presents plurality of legs for restingon the ground when the chair is positioned so that it can be sat on. The chairframe may also have one or more, probably two upwards extending longitudinalelements for receiving the back portion. ln the embodiment of fig. 1 there are twolongitudinal elements 3a and 3b interconnected with a rectangular element 4.However, the chair frame may be made up from any number of longitudinal elements with or without interconnecting elements of any shape.
    [30] [00030] Further, as shown in fig. 2 and in a close-up view in fig. 3, whenassembling the chair, the chair frame 3 is positioned in the receiving means 12 ofthe chair frame receiving units 10. Thereafter, a plurality of snap-in lids 20 arepositioned on top of a respective one of the receiving units 10. The snap-in lids aresnapped into snap locking means 14a, 14b for snapping engagement with thesnap-in lids to its respective receiving unit 10. Then the chair frame is positionedand securely held in place in between the receiving units and its respective snap-in lid. As clearly seen in fig. 3, when assembling the chair this way, a movementsubstantially perpendicular to the seat plane is performed. ln other words, amovement is performed that is substantially perpendicular to a principal plane ofeach chair frame receiving unit. The principal plane of each chair frame receivingunit is substantially parallel to the chair seat plane in the position where each chairframe receiving unit is fixed to the chair seat.
    [31] [00031] As seen in fig. 4, which shows the receiving unit 10 from a longitudinalside, the snap locking means 14a, 14b comprises two snaps arranged on oppositesides of the receiving means 12. The snap locking means 14a, 14b each has anelongated extension substantially parallel to an extension of the receiving means 12 (fig 2) in the longitudinal direction y-y.
    [32] [00032] Fig. 5 shows a snap-in lid 20 from below and fig. 6 shows a snap-in lid 20snapped into a receiving unit 10. The snap-in lid 20 comprises snapping edges24a, 24b for co-operating with respective of the snaps of the snap-locking means14a, 14b of the receiving unit 10. Fig. 6 shows how the snapping edges 24a, 24bare snapped over the snaps 14a, 14b when the snap-in lid is engaged with thereceiving unit, holding a longitudinal element of the frame 3 in between them. Eachsnap-in lid 20 further comprises guiding pins 25a-d for guiding the movement ofthe snap-in lid into locking engagement with the snap locking means 14a, 14b sothat when in the locking engagement the guiding pins are arranged at opposite ends of the elongated snap Iocking means, in their Iongitudinal extension direction,i.e. in the longitudinal extension direction of the receiving means 12 y-y. Theguiding pins have an elongated shape and extend substantially perpendicular tothe elongated extension of the snap Iocking means. Each snap-in |id 20 furthercomprises a ceiling 26 equipped with a soft material 27 for receiving the chairframe. The soft material may be a thermoplastic elastomer, TPE. AS shown in fig.6, the soft material may be inserted between harder protrusions from the rest ofthe material of the |id. Material. ln addition, or as an alternative, the roof 28 of thesnap-in |id may be equipped with a similar soft material, thereby providing astacking protection when stacking or piling chairs equipped with such anarrangement on top of each other.
    [33] [00033] Further, each chair frame receiving unit 10 has a guide pin stop 15a-d(fig. 6) that co-operates with the guiding pins 25a-d of its respective snap-in |id sothat the guiding pins are kept from being deformed. The guide pin stop 15a-15dmay be a ridge extending upwards from the chair seat. Thanks to this guide pinstop and to the receiving means 12 the guide pins are kept in position, not flexingin any direction.
    [34] [00034] Figures 7 and 8 show three different types of snap-in lids adapted todifferent sizes of chair frame Iongitudinal elements: a first type 20a, a second type20b and a third type 20c. The snap-in lids having different sizes of openings 29a,29b, 29c each opening adapted to a size or a size span of a chair frame cross-section. By adapting a radius of curvature of ceilings 26a, 26b, 26c of therespective type of snap-in |id and of a height from bottom to ceiling of therespective type of snap-in |id to the cross-sectional size of a respective type ofchair frame, it is possible to use the same type of chair frame receiving unit 10 formany different sizes of chair frame. As a result larger series of chair seats withchair frame receiving units can be made compared to if different types of receivingunits had to be used. ln order to function with one and the same receiving unit, thethree types of snap-in lids have the same distance between the snapping edges24a, 24b.
    [35] [00035] ln more detail for the example of fig. 8, the first type of snap-in lid 20a isadapted to a first type of chair frame 31 with a first cross-sectional radius r31. Forthis reason, the first type of snap-in lid 20a has a ceiling 26a with a radius ofcurvature r1 adapted to the first cross-sectional radius r31 and with a height h1 frombottom 27 to ceiling also adapted to the first cross-sectional radius r31. Further, thesecond type of snap-in lid 20b is adapted to a second type of chair frame 32 with asecond cross-sectional radius r32 greater than the first radius. For this reason, thesecond type of snap-in lid 20b has a ceiling 26b with a radius of curvature rgadapted to the second cross-sectional radius r32 and with a height hg from bottom27 to ceiling also adapted to the second cross-sectional radius r32. ln a similarway, the third type of snap-in lid 20c is adapted to a third type of chair frame 33with a third cross-sectional radius rss greater than both the first and the secondradius. For this reason, the third type of snap-in lid 20c has a ceiling 26c with aradius of curvature rg adapted to the third cross-sectional radius rss and with aheight hg from bottom 27 to ceiling also adapted to the first cross-sectional radiusr31. The bottom 27 of the snap-in lids is the part of the snap-in lid that is to bearagainst the principal plane of the chairframe receiving unit 10, when the lid issnapped into engagement with the snap locking means of the chair framereceiving unit. The bottom is marked with a dotted line in the third type 20c ofsnap-in lid of fig. 8. The ceiling of the snap-in lids is the inner side of the lid, at aportion of the inner side of the lid opposite the bottom of the lid. The embodimentabove has been shown with three different sizes of snap-in lids, a person skilled inthe art understands however that there might as well be only two different sizes or more than three different sizes.
    [36] [00036] According to another embodiment, shown in fig. 9, a method is providedfor assembling a chair according to any of the embodiments described above. Themethod comprises positioning 41 the number of longitudinal elements of the chairframe 3 into respective of the receiving means 12, and moving 42 substantiallyperpendicular to the principal plane of each chairframe receiving unit, individual ofthe plurality of snap-in lids 20 into locking engagement with individual of theplurality of receiving units 10, thereby locking the chair frame 3 between theplurality of receiving units 10 and the plurality of snap-in lids 20. 11
    [37] [00037] Although the description above contains a plurality of specificities, theseshould not be construed as Iimiting the scope of the concept described herein butas merely providing i|ustrations of some exemplifying embodiments of thedescribed concept. lt will be appreciated that the scope of the presently describedconcept fully encompasses other embodiments which may become obvious tothose skilled in the art, and that the scope of the presently described concept isaccordingly not to be limited. Reference to an element in the singular is notintended to mean "one and only one" unless explicitly so stated, but rather "one ormore." All structural and functional equivalents to the elements of the above-described embodiments that are known to those of ordinary skill in the art areexpressly incorporated herein by reference and are intended to be encompassedhereby. Moreover, it is not necessary for an apparatus or method to address eachand every problem sought to be solved by the presently described concept, for it to be encompassed hereby.
    权利要求:
    Claims (9)
    [1] 1. A chair (1) comprising: a chair seat (2) comprising a plurality of chair frame receiving units(10), and a chairframe (3) comprising a number of Iongitudinal elements,wherein each of the plurality of chair frame receiving units (10) has a receivingmeans (12) in which a respective one of the Iongitudinal elements of the chairframe (3) is received, characterized in that each of the plurality of chair framereceiving units (10) further has snap Iocking means (14a,14b), and thatthe chair (1) further comprises a plurality of snap-in |ids (20) being in Iockingengagement with respective of the plurality of snap Iocking means (14a, 14b)thereby Iocking the chair frame (3) between the plurality of receiving units (10) andthe plurality of snap-in |ids (20), wherein the snap Iocking means (14a, 14b) andthe snap-in |ids (20) are arranged in such a way that when the snap-in |ids weremoved into Iocking engagement with its respective snap Iocking means, the snap-in |ids were moved substantia|y perpendicuiar to the principal p|ane of its respective chair frame receiving unit.
    [2] 2. Chair according to c|aim 1, wherein the snap Iocking means (14a, 14b)comprises two snaps arranged on opposite sides of the receiving means (12), andthe snap-in |id comprises snapping edges (24a, 24b) for co-operating withrespective of the snaps of the snap-Iocking means.
    [3] 3. Chair according to c|aim 1 or 2, wherein the snap Iocking means (14a,14b) has an e|ongated extension substantia|y para|e| to an extension of thereceiving means (12) of the same receiving unit, and wherein each snap-in |id (20)further comprises guiding pins (25a-d) for guiding the movement of the snap-in |idinto Iocking engagement with the snap Iocking means so that when in the Iockingengagement the guiding pins are arranged at opposite ends of the e|ongated snap Iocking means. 13
    [4] 4. Chair according to claim 3, wherein each chair frame receiving unit (10)has a guide pin stop (15a-d) that co-operates with the guiding pins (25a-d) of itsrespective snap-in lid so that the guiding pins are kept from being deformed.
    [5] 5. Chair according to any of the preceding claims, wherein each snap-in lid(20) comprises a ceiling (26) equipped with a soft material (27) for receiving thechair frame.
    [6] 6. Chair according to any of the preceding claims, wherein each chairframe receiving unit (10) and each snap-in lid (20) are made of reinforced rigidplastic, such as polypropylene reinforced with glass fibre.
    [7] 7. Set of chair parts to be assembled into a chair comprising: a chair seat (2) comprising a plurality of chair frame receiving units(10): a first type (31) and a second type (32) of chair frame (3) of mutuallydifferent cross-sectional sizes, each chair frame comprising a number oflongitudinal elements,wherein each of the plurality of chair frame receiving units (10) has a receivingmeans (12) in which any of the first or second type of chair frame (31, 32) is to bereceived, each of the plurality of chair frame receiving units (10) further has snaplocking means (14a,14b), and a first type (20a) and a second type (20b) of snap-in lids (20) ofmutually different sizes, adapted to be in locking engagement with respective ofthe plurality of snap locking means (14a, 14b) thereby locking one of the first typeor the second type of chair frame (31, 32) between the plurality of receiving units(10) and a plurality of lids of one of the first or the second type of snap-in lids (20a,20b), wherein the snap locking means (14a, 14b) and the snap-in lids (20) arearranged in such a way that when the snap-in lids are moved into lockingengagement with its respective snap locking means, the snap-in lids are movedsubstantially perpendicular to the principal plane of its respective chair framereceiving unit (10). 14
    [8] 8. Set of chair parts according to claim 7, wherein the first type (31) ofchair frame has a first cross-sectional radius (r31) and the second type (32) of chairframe has a second cross-sectional radius (r32) different from the first cross-sectional radius, and wherein the first type of snap-in lid (20a) has a ceiling (26a)with a radius of curvature (r1) adapted to the first cross-sectional radius (r31) andwith a height (h1) from bottom (27) to ceiling also adapted to the first cross-sectional radius (r31), and the second type of snap-in lid (20b) has a ceiling (26b)with a radius of curvature (rg) adapted to the second cross-sectional radius (r32)and with a height (hg) from bottom (27) to ceiling also adapted to the second cross- sectional radius (r32).
    [9] 9. Method for assembling a chair comprising a chair seat (2) comprising aplurality of chair frame receiving units (10), the chair further comprising a chairframe (3) comprising a number of longitudinal elements, wherein each of theplurality of chair frame receiving units (10) has a receiving means (12) in which arespective of the longitudinal elements of the chair frame (3) is to be positionedand snap locking means (14) for locking engagement with a snap-in lid (20), themethod comprising: positioning (41) the longitudinal elements (3a) of the chairframe (3)into respective of the receiving means (12), moving (42) substantially perpendicular to a principal plane of eachchairframe receiving unit, individual of a plurality of snap-in lids (20) into lockingengagement with individual of the plurality of receiving units (10), thereby lockingthe chair frame (3) between the plurality of receiving units (10) and the plurality ofsnap-in lids (20).
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    同族专利:
    公开号 | 公开日
    EP3037018A1|2016-06-29|
    SE538529C2|2016-09-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR89705E|1966-02-07|1967-08-04|Grosfillex Freres|Shaped articles of plastics, suitable for use in particular as removable seats and backs, for chairs and other similar furniture|
    FR1494770A|1966-05-05|1967-09-15|So Ge Ma P|Detachable base seat|
    FR1505526A|1966-11-02|1967-12-15|Plaxico|Device for removable fixing of the top of a seat or other piece of furniture, on its base|
    GB1176032A|1967-03-10|1970-01-01|Dare Inglis Products Ltd|Articles of Furniture.|
    DE3609591C2|1986-03-21|1988-06-09|Grammer Sitzsysteme Gmbh, 8450 Amberg, De|
    SM200100015B|2001-08-09|2003-02-12|Arper Spa|Chair structure|
    DE602005027372D1|2005-12-23|2011-05-19|Steelcase Sa|Transverse locking of a pipe with a shell|
    IT1399531B1|2010-04-09|2013-04-19|Arper Spa|SEAT ELEMENT|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1451630A|SE538529C2|2014-12-22|2014-12-22|Chair, set of chair parts and method for interconnecting a chair seat to a chair frame|SE1451630A| SE538529C2|2014-12-22|2014-12-22|Chair, set of chair parts and method for interconnecting a chair seat to a chair frame|
    EP15201499.9A| EP3037018A1|2014-12-22|2015-12-21|Chair, set of chair parts and method for interconnecting a chair seat to a chair frame|
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