EP0582818B1 - Stuhl, insbesondere Bürostuhl - Google Patents

Stuhl, insbesondere Bürostuhl Download PDF

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Publication number
EP0582818B1
EP0582818B1 EP93110163A EP93110163A EP0582818B1 EP 0582818 B1 EP0582818 B1 EP 0582818B1 EP 93110163 A EP93110163 A EP 93110163A EP 93110163 A EP93110163 A EP 93110163A EP 0582818 B1 EP0582818 B1 EP 0582818B1
Authority
EP
European Patent Office
Prior art keywords
load
bearing
spindle
bearing frame
frame according
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.)
Expired - Lifetime
Application number
EP93110163A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0582818A1 (de
Inventor
Hermann Locher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giroflex Entwicklungs AG
Original Assignee
Giroflex Entwicklungs AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Giroflex Entwicklungs AG filed Critical Giroflex Entwicklungs AG
Publication of EP0582818A1 publication Critical patent/EP0582818A1/de
Application granted granted Critical
Publication of EP0582818B1 publication Critical patent/EP0582818B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs
    • A47C1/03274—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil springs of torsion type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03283—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers

Definitions

  • the invention relates to a support frame for a chair according to the preamble of independent claims 1 and 2.
  • EP-A 0 485 868 is one in height and inclination adjustable office chair known which is an essentially from a seat support, a backrest support, a first and a second guide linkage formed support frame, which is arranged on a column and attached support body stored and together with the seat and Backrest support against the restoring force of a rotating and Torsion bar tiltable backwards and from a blocking and releasable gas pressure spring in any position is noticeable.
  • the invention has for its object a chair Generate generic type in this way and to improve that while maintaining the user dependent ergonomic requirements no lateral forces on the backwards and forwards oriented swivel movement compensating Transfer spring element and also a flawless, synchronous Movement is guaranteed.
  • the support frame 100 essentially comprises one Support and swivel device 80 for a seat support 1 and one that is operatively connected to it via a first articulation point 3, 3 ' Backrest support 2.
  • the backrest support 2 is over a Bearing device 30,30 'on the carrying and pivoting device 80 supported and about a horizontal axis X of the support and Swivel device pivotally mounted.
  • the one with two across Spring elements 40, 40 'arranged in the seat connection in operative connection standing support and swivel device 80 is with a appropriately designed holding device 10 on a attached schematically and only partially shown pedestal 5.
  • pedestal 5 is one for in the direction of the arrow Z and Z 'oriented height adjustment of the Support frame 100 provided spring element, which preferably designed as a gas pressure spring (not shown) is.
  • spring element which preferably designed as a gas pressure spring (not shown) is.
  • base designed as a 5-star base to be ordered.
  • the foot frame, not shown is preferred for mobility of the office chair with wheels Mistake.
  • the holding device 10 In the upper area of the pedestal 5, as shown in FIG. the holding device 10 and a clamping element 20 arranged. With the clamping element 20 is the restoring force both spring elements 40.40 'adjustable.
  • the clamping element 20 is on a pin 15 of the holding device 10 about an axis X 'of the pin 15 is pivotally mounted and by a threaded spindle 24 adjustable relative to the holding device 10.
  • the axis X ' is parallel to the axis X of the Carrying and pivoting device 80 arranged.
  • the one Handle 25 actuated threaded spindle 24 is not shown in FIG illustrated manner on a stop piece 19 of the holding device 10 supported.
  • the holding device 10 and that Clamping element 20 will be described later in connection with FIGS to 8 described in detail.
  • the one on the pedestal 5 is arranged Holding device 10 for receiving and storing the Carrying and pivoting device oriented transversely to the seat direction 80 trained.
  • On the carrying and swiveling device 80 are about in the backrest area on the first bearing device 30 and 30 'of the backrest support 2 and the hinged seat support 1 supported.
  • the storage device 30 comprises one on the backrest support with means not shown 2 attached first tab 33 and one articulated related and with means not shown attached to the seat support 1 second tab 34.
  • the one bearing device 30 is arranged on the first tab 33 and attached lever 32 to one on the support and Swivel device 80 supported socket 31 (Fig.2) supported.
  • the other bearing device 30 ' (Fig.2) is analog formed and comprises the parts 31 ', 32', 33 'and 34'. in the The knee-side area is the seat support 1 on second bearing devices 75.75 'attached.
  • the bearing devices 75.75 ' essentially form a second joint point 4,4 'and are by means of articulated struts 46 and 46 'on the support and Swivel device 80 supported.
  • the support and pivoting device 80 has the horizontal and axis X oriented transversely to the seat direction, around which the individual related elements against the Resetting force of the spring elements 40, 40 'for a corresponding one Movement of the seat support 1 and the backrest support 2 are pivotable.
  • the restoring force is of the two spring elements designed as a coil spring 40.40 'adjustable by means of the clamping element 20.
  • this is one of the visible ones here
  • Spring elements 40 with one end 41 in a holding device 35 and with the other end 42 on a shoe-shaped Holding piece 23 of the clamping element 20 is arranged.
  • the Holding device 35 is on the one hand with a toggle lever 36 the carrying and pivoting device 80 mounted and on the other hand operatively connected to the lever 32 of the bearing device 30.
  • the Arrangement and attachment of the other spring element 40 ' the clamping element 20 and the associated second holding device 35 ' are designed analogously.
  • FIG 2 is the support frame 100 of the first embodiment (without seat and backrest support 1,2) with the carrying and Swivel device 80 shown in plan view, and one recognizes the stand 5 shown schematically arranged holding device 10 with the clamping element 20.
  • the holding device 10 is a substantially horizontal one Axis body 45 forming axis X arranged and supported, the axle body 45 preferably in two axle body sections 45 'and 45' 'is divided.
  • the strut 46,46' is arranged in each case and attached.
  • the holding device 10 and the two axle bodies 45 ', 45' 'and the two struts 46, 46' are not shown in more detail in shown non-rotatably, e.g. with each other connected and together form a structural unit.
  • each of the assigned Axle bodies 45 ', 45' 'penetrated and spaced apart arranged bushings 43,44 and 27,28 are mounted.
  • the bushings 43, which are mounted on the two axle bodies 45 ′, 45 ′′, 44 and 27, 28 are each formed with an and on the both side walls of the holding device 10 and on the Struts 46,46 'adjacent flange collar 43', 44 'and 27', 28 ' Mistake.
  • axles 45 ', 45' 'arranged sockets 27,28 and 43,44 are preferably made of suitable plastic with good sliding properties, made of PTFE, for example.
  • FIG. 2 the area of the struts 46 and 46 'arranged for the seat and backrest support 1 and 2 provided and from the parts 32, 33, 34 and 32 ', 33', 34 'formed storage devices 30 and 30', which by means of appropriately trained bearing bodies 31 and 31 'on the Bushings 44 and 28 are stored.
  • On the tabs 47.47 ' are the first operatively connected to the blocking device 65 and second lever system 50, 50 'mounted.
  • the lever system 50 comprises a first pair of toggle levers 51, 52, which is mounted with a first bolt 48 on the bracket 47 fastened to the strut 46.
  • a second pair of toggle levers 53, 54 is arranged on the first pair of toggle levers 51, 52 on a second bolt 49.
  • the second pair of toggle levers 53, 54 is mounted on a tab 57 of a slide piece 60 arranged at the front end of the strut 46 via a third bolt 56. As shown in FIG.
  • the slider 60 is arranged in an elongated hole 63 of the strut 46 and is displaceably guided in the strut 46 in the longitudinal direction denoted by the double arrow Y, Y '.
  • the slider 60 is held on the strut 46 with two correspondingly designed guide pieces 61, 62 held together by screw connections, not shown.
  • lever system 50 described above is shown in FIG the individual parts 48,49,51,52,55 and 56 partially in view shown.
  • the first pair of toggle levers 51, 52 of the first lever system 50 is further, as shown in Fig.2, with one end of a designed as a gas pressure spring 64 spring element operatively connected.
  • the gas pressure spring 64 has a piston rod 66 and one at the front end there attached mounting bracket 67, with which the gas pressure spring 64 with a fourth bolt 55 is operatively connected to the first pair of toggle levers 51, 52.
  • At the other The end of the gas pressure spring 64 is one in total 70 designated actuator with the bolt 55 'of opposite toggle lever pairs 51 ', 52' of the second lever system 50 'operatively connected.
  • the one toggle lever pair 51 '; 52' is one Bolt 55 'operatively connected to the actuator 70.
  • the other pair of toggle levers 53 '; 54' is via a bolt 56 ' connected to the tab 57 'of the slider 60'.
  • the two are operatively connected to the gas pressure spring 64 Lever systems 50; 50 'and the operatively connected to them the struts 46; 46 'arranged in the arrow direction Y; Y' Sliders 60; 60 'and bearing pins arranged thereon 58; 58 'are mirror images and are analogous to one another.
  • the two journals 58; 58 'are for receiving the second bearing device 75.75 '(Fig.1 and 3) for the seat support 1 provided.
  • the two journals 58; 58 ' form in essentially the second joint point 4,4 '.
  • the actuator 70 shown in Figure 2 for the Blocking device 65 comprises a tubular intermediate piece 72, which has one end on the gas pressure spring 64 and arranged at the other end on a connecting piece 69 is.
  • the connector 69 is on the bolt 55 'with the assigned second lever system 50 'operatively connected.
  • To the Intermediate piece 72 are a tab 71 and a tubular Intermediate piece 72 penetrating lever in the radial direction 74 arranged.
  • the lever 74 is at one on the intermediate piece 72 arranged bearing piece 73 in the direction of arrow 74 'relative pivotable to the tab 71.
  • the plunger 68 of the gas pressure spring 64 is by the actuators, not shown (Handle and Bowden cable) pivotable lever 74 to release or blocking the gas pressure spring 64 actuated.
  • Fig. 3 shows that corresponding to that shown in Fig. 2 Line III-III shown in sectional view support frame 100th with the carrying and swiveling device 80 of the first exemplary embodiment, and you can see the seat support 1, the over the hinge point 3 'operatively connected backrest support 2, the bearing device 30 'and the holding device 35' for the helical spring 40 'connected to it.
  • the storage device 30 ' includes the two fastening tabs 33 ', 34' and those on the tab 33 'and on the bearing body 31' arranged and fixed lever 32 '.
  • the holding device 35 ' has a toggle lever 36' on which one lever part 38 'a pipe section 8' and on the other lever part 37 ' a bearing piece 39 'is arranged.
  • the toggle lever 36' By means of the molded Bearing piece 39 'is the toggle lever 36' on the bearing body 31 ' pivoted about the horizontal axis X.
  • the one lever part 38 'of the toggle lever 36' is with an elongated hole 29 'and in the upper area with the pipe section 8 'into which one end 41 'of the coil spring 40' is inserted.
  • the Knee lever 36 ' is by means of a penetrating the slot 29' Screw connection 7 'with the lever 32' of the bearing device 30 'operatively connected.
  • FIG 4 shows in plan view and along the line IV-IV in Figure 3 the a holding device shown partially in section 35 ', which by means of the fastening screw 7' with the lever 32 'of the bearing device 30' is operatively connected. Still recognizes one arranged on one axle body 45 '' and with the collar 28 'resting on the strut 46' guide bush 28 and the bearing body 31 'with the lever attached to it 32 '. At a distance from the lever 32 'with the part 39' Part 31 'mounted toggle 36' arranged, on which Toggle lever 36 'that for receiving the end piece 41' of the coil spring 40 '(Fig.2) trained pipe section 8' is attached.
  • the toggle lever 36 'provided with the elongated hole 29' is relative to the lever 32 'of the bearing device 30' adjustable and by the fastening screw 7 'in the required position noticeable (fixation).
  • FIG 5 is the holding device as a first embodiment 10 and the tensioning element 20 mounted thereon for the Support frame 100 shown in view and in Figure 6 in plan view.
  • the holding device 10 comprises one with a rear wall 11 and two side walls 11 ', 11' 'arranged thereon provided holding piece 12, two for receiving the column 5 with bores 6 and 6 'intermediate pieces 16 and 17 and a stop piece 19.
  • the two intermediate pieces 16, 17 are, as shown in Fig.6, in the front area a recess 9 and 9 'in sections 16', 16 '' and 17 ', 17' ' divided.
  • the rear wall 11 on which the side walls 11 ' and 11 ′′ are preferably formed in the shape of a circular arc (Fig.6).
  • the openings 18 and 18 ' are for receiving, preferably for positive Recording the axle body 45 ', 45' 'formed.
  • the preferred can be formed as a hollow body axle body 45 ', 45' ' for example, a profile cross section designed as a polygonal tube have what profile cross-section the openings 18, 18 'in the side walls 11 and 11' adapted accordingly are.
  • FIG. 7 shows the holding device 10 in a sectional view, and one recognizes the holding piece 12 with the rear wall 11 and one side wall 11 ''.
  • On the rear wall 11 are the two intermediate pieces penetrated by the bores 6, 6 ' 16 and 17 are arranged, which are preferably on the rear wall 11 are molded. In the front area they are through the gap 9.9 'separate spacers 16.17 according to the shape the axle body 45 inserted into the openings 18, 18 ' and 45 '.
  • the Axle body 45 ', 45' 'encompassing end pieces 16', 17 'and 16' ', 17' ' are, as shown in Fig.5, each by means of a Screw connection 59,59 'or the like compressed and held together. You can also see that between the Sidewalls 11 'and 11' 'arranged and not shown in Way attached stop piece 19 and the bearing pin 15 for the clamping device 20.
  • the clamping device 20 is partially in a sectional view shown, and you can see the one with a recess 22 'for the bearing pin 15 provided side part 21' Connecting web 26 with a threaded bore 26 'for the threaded spindle 24 (Fig.1) and in the front area on Side part 21 'attached holding piece 23' for the end piece 42 ' the coil spring 40 '(Fig.2).
  • the opposite side part 21 with the holding piece 23, as shown in FIG. formed analogously to the side part 21 '.
  • the support frame 100 described above ensures an exact transmission of, among other things, body weight the user's dependent pivoting movement on the spring elements.
  • the restoring force of the two coil springs 40, 40 ' can be done with relatively little effort on body weight of the user.
  • the movements are via the lever system 50.50 'straight to the gas pressure spring 64 transferred, causing the seals in the gas spring be burdened much less and more evenly.
  • the support frame 200 comprises a carrying and pivoting device 180, on which two in axial direction of the support and pivoting device 180 at a distance backrest supports 102, 102 'arranged to one another and two struts 146, 146 'are mounted.
  • the end on the backrest side is the one with bearing blocks 177, 177 ' provided seat bracket 101 on one of the bearing blocks 177, 177 ' penetrating connector 103 stored. That the two Backrest support 102, 102 'connecting part 103 with the two bearing blocks 177, 177 'roughly forms the backrest side Articulation points 3,3 '.
  • the two spring elements arranged transversely to the seat direction 140, 140 'operatively connected carrying and swiveling device 180 is formed by means of a housing Holding device 110 on a schematic and only partially Stand 105 shown arranged and attached.
  • the Restoring force of the two with one end in a bearing part 130,130 'held spring elements 140,140' is over a supported on the holding device 110 and with a threaded spindle 124 and a handwheel 125 in operative connection Clamping element 120 adjustable.
  • the column 105 is in essentially analogous to that above in connection with Fig.1 Stand column 5 formed and with a not shown spring element (gas pressure spring) in the direction of arrow Z and Z 'adjustable in height.
  • FIG. 9 a gas pressure spring Spring element 164, which in the knee-side area by means of a fastening tab 167 and a bearing pin 174 on two at a distance from each other on the underside of the seat support 102 arranged bearing blocks 175, 175 '(Fig. 10) is. With the other end, the spring element 164 is like will be described later in connection with FIGS. 10 and 11, mounted on the holding device 110.
  • the Spring element 164 At the bottom of the Seat carrier 102 are two further apart arranged bearing blocks 176,176 'is provided, on which the In operative connection with one another via a connecting piece 158 standing struts 146,146 'are mounted.
  • the connector 158 essentially forms the knee joint 4,4 ', the bolt-shaped connecting piece 158 together with the two sliding pieces 160, 160 'each in the cross section of the profile approximately [-shaped and each with a recess 163, 163 'formed as an elongated hole Struts 146,146 'is guided.
  • the arrow direction Y or Y 'oriented sliding movement takes place at the pivoting movement of parts 101 and 102.
  • FIG. 10 shows the support frame 200 of the second exemplary embodiment (without seat and backrest support 101, 102) with the support and pivoting device 180 in a top view, and the holding device 110 arranged on the schematically illustrated stand column 105 and the tensioning device 120 can be seen
  • Holding device 110 is arranged an axis body 145 which essentially forms the horizontal axis X.
  • the axle body 145 is divided, for example, into two sections 145 ′ and 145 ′′, which are operatively connected to one another in the area of the holding device 110 by a coupling or connecting piece 144.
  • the axle body 145 or the two sections 145 ′, 145 ′′ consist, for example, of a hollow profile body having a polygonal cross section (FIG. 11).
  • the strut 146 and 146 ' is arranged and fastened to the outer ends of the axle bodies 145', 145 ''.
  • the holding device 110 with the two axle bodies 145 'and 145''and the two struts 146 and 146' are rotatably connected to each other in a manner not shown and together form a structural unit.
  • the bushings 150, 155 and 150 ', 155' have one each molded and on the two side walls of the holding device 110 and adjoining the struts 146, 146 ' Flange.
  • sockets 150.150 'and 155.155' are preferably made of suitable plastic with good sliding properties, made of PTFE, for example.
  • FIG. 10 in the area of the two Braces 146, 146 'arranged bearing elements 130, 130', which each with a first hub piece 131, 131 'for the assigned one Spring end piece 141.141 'and a second hub piece 132.132' and a rear wall connecting the hub pieces 133, 133 'are provided.
  • the individual bearing elements 130, 130 ' are with a penetrating the second hub pieces 132,132 ' Fasteners 148.148 '(rivet or screw connection) attached to the associated struts 146, 146 '.
  • the individual backrest supports 102, 102 ' by means of appropriately trained holding pieces 135, 135 'and Means not shown (screw connection) on the bearing elements 130, 130 'are attached and held.
  • the rod-shaped connecting piece 158 is also on the ends of the sliding pieces 160,160 'in the corresponding Recesses 163,163 'provided struts 146,146' slidably guided.
  • FIG. 10 shows a bearing piece 168 in the holding device 110 about the axis X 'of a bolt 168' pivotably mounted spring element 164, which of a Actuator 170 not shown solved and can be blocked.
  • the spring element 164 and the Actuating device 170 together form a so-called Blocking device 165 known per se In the area you can also see the piston rod 166 with the fastening tab 167, which with the bearing pin 174 to the two spaced-apart bearing blocks 175, 175 'is held.
  • FIG. 11 shows the holding device shown in sectional view 110 along the line XI-XI in Fig.10, and can be seen the blocking device 165 with the gas pressure spring arranged thereon 164 and a section of the with a gas pressure spring 105 'provided column 105.
  • the holding device 110 has a housing 111 with a housing cover 115. The parts 111 and 115 are secured by appropriate fastening screws (not shown) connected to each other.
  • the standing column 105 is in a bore of the housing 111, not designated arranged that into a recess 118 of the housing cover 115 protruding plunger 106 of the gas pressure spring 105 'for the assignment of an actuator, not shown is easily accessible.
  • the housing 111 has one as a whole 114 designated first head piece, which with a recess 112 is formed for mounting the axle body 145 is.
  • the housing cover 115 has one as a whole designated with 116 second head piece, which with a Recess 112 'designed to support the axle body 145 is.
  • the two correspond to each other in the head pieces 114 and 116 arranged recesses 112, 112 'form an in Longitudinal direction of the axle body 145 oriented and the outer Contour of the axle body 145 correspondingly adapted recess, which in the assembled state of parts 111 and 115 engages around the axle body 145 in a form-fitting manner.
  • the one from the is formed for both parts 145 ', 145' ' a hollow profile body with polygonal cross-section, preferably a hexagonal hollow profile body.
  • the connector 144 by means of which the two axle body parts 145 ' and 145 ′′ are preferably connected to one another in a coupling manner also designed as a polygonal hollow profile body.
  • a recess designated 109 as a whole is provided, which is delimited by side walls 113, 113 'and 117, 117' is.
  • the recess 109 is one with the piston rod 166 of the gas pressure spring 164 operatively connected bearing piece 168 arranged and by means of a bolt 168 'in the side walls stored.
  • FIG. 12 shows a sectional view along the line XII-XII in FIG Fig.10 a section of the support frame, and you can see the on Axle body 145 'arranged strut 146', which at its end piece 147 'analogous to that in the profile cross section as a hexagonal hollow profile body trained axle body 145 'is adapted.
  • the end piece 147 'of the strut 146' engages around the axle body 145 form-fitting.
  • the clamping element 120 is in a perspective view for the two coil springs 140 and 140 ', which one essentially a connecting web 126 with two laterally tabs 127, 127 'arranged thereon and one with the Threaded spindle 124 (not shown here) (FIG. 9) is engaged includes stationary handwheel 125.
  • the side parts 121, 121 ' are each with an arcuate recess 122, 122 '.
  • the recesses 122, 122 ' are corresponding the inner diameter of those provided in the bushings 155, 155 ' Grooves 153, 153 '(Fig. 10) adjusted.
  • a holding piece 123, 123 'bent outwards is formed, which holding pieces each as a counter bearing for the end pieces 142 and 142 'of the two coil springs 140, 140' (Fig. 10) serve.
  • the in the Holding device 110 arranged, with the struts 146 and 146 'positively connected and designed as a hexagon Axle body sections 145, 145 arranged in this way are that the two mutually corresponding edges K, K ', as shown schematically in Fig.12, an axis N-N for the inclined position of the backrest supports 102, 102 ' forms.
  • the support frames 100 or 200 are in the pillar 5 or 105 arranged gas pressure springs and in the seat direction or gas pressure spring 64 or 164 arranged transversely thereto for releasing or determination of the individual elements using Bowden tension members with an actuator, not shown connected.
  • the Bowden tension members, not shown, are in an advantageous manner by the as a hollow profile body trained axle body 45 or 145 or by one or both Axle body sections passed through.
  • the support frame 200 described above ensures also an exact transmission of, among other things, from Body weight of the user dependent pivoting movement the spring elements.
  • the movements the seat and backrest support are straight on the Gas spring 164 transferred so that the seals in the Gas spring significantly less and more evenly loaded will.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP93110163A 1992-07-16 1993-06-25 Stuhl, insbesondere Bürostuhl Expired - Lifetime EP0582818B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2251/92 1992-07-16
CH02251/92A CH690019A5 (de) 1992-07-16 1992-07-16 Traggestell für einen Stuhl, insbesondere für einen in der Höhe und Neigung verstellbaren Bürostuhl.

Publications (2)

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EP0582818A1 EP0582818A1 (de) 1994-02-16
EP0582818B1 true EP0582818B1 (de) 1998-04-29

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EP93110163A Expired - Lifetime EP0582818B1 (de) 1992-07-16 1993-06-25 Stuhl, insbesondere Bürostuhl

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US (1) US5499861A (pt)
EP (1) EP0582818B1 (pt)
JP (1) JP3433299B2 (pt)
KR (1) KR100303247B1 (pt)
BR (1) BR9302874A (pt)
CH (1) CH690019A5 (pt)
DE (1) DE59308463D1 (pt)

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US5979984A (en) * 1997-10-24 1999-11-09 Steelcase Development Inc. Synchrotilt chair with forwardly movable seat
US6250715B1 (en) * 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
US6007150A (en) 1998-03-08 1999-12-28 Milsco Manufacturing Company Motorcycle seat with adjustable backrest
DE10026292C2 (de) * 1999-07-06 2003-03-20 Roeder Peter Stuhl
DE10026531C2 (de) * 2000-05-27 2002-06-13 Roeder Peter Stuhl
US6598936B1 (en) 2001-04-11 2003-07-29 Michael N. Klein Multi-task mid-pivot chair control mechanism
DE10200355A1 (de) * 2002-01-08 2003-07-17 Dauphin Friedrich W Gmbh Stuhl
DE10219478B4 (de) * 2002-04-30 2006-07-13 Klöber GmbH Stuhl mit vom Benutzergewicht abhängigen Kraftspeicher
US7226130B2 (en) * 2002-09-12 2007-06-05 Steelcase Development Corporation Seating with comfort surface
CH696379A5 (de) 2002-10-15 2007-05-31 Stoll Giroflex Ag Sitzmöbel.
US6742843B2 (en) * 2002-10-25 2004-06-01 Knoll, Inc. Cable control with overload protection device
EP1825780A1 (en) * 2006-02-24 2007-08-29 Ideassociates (IOM) Limited A hinge device for joining two objects in an articulated, spring-loaded manner
EP2086373B1 (en) 2006-10-23 2010-03-31 Ideassociates (IOM) Limited A synchronizing device for an office chair
MX2009008119A (es) 2007-01-29 2009-08-12 Miller Herman Inc Estructura para sentarse y metodos para el uso de la misma.
US8172324B2 (en) 2008-06-06 2012-05-08 Knoll, Inc. Preference control mechanism
WO2013177690A1 (en) * 2012-06-01 2013-12-05 Duke Aaron Chair and chair tilt control assembly
PL2892390T3 (pl) * 2012-09-05 2018-01-31 Godrej & Boyce Mfg Co Ltd Krzesło z regulowanym oparciem i siedzeniem
KR101504525B1 (ko) * 2014-06-02 2015-03-24 (주)퍼스트삼융 사무용 회전의자
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IT201800002761U1 (it) * 2018-06-14 2019-12-14 Poltroncina per ufficio con schienale e sedile mobili in sincronia.

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DE3930361C2 (de) * 1989-09-12 1993-11-04 Simon Desanta Stuhl, insbesondere buerostuhl
EP0485868A1 (de) * 1990-11-14 1992-05-20 Giroflex-Entwicklungs AG Stuhl, insbesondere Bürostuhl
DE4036381C1 (pt) * 1990-11-15 1991-08-14 Degussa Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
EP0582818A1 (de) 1994-02-16
JPH06154055A (ja) 1994-06-03
US5499861A (en) 1996-03-19
KR940001844A (ko) 1994-02-16
KR100303247B1 (ko) 2001-11-30
DE59308463D1 (de) 1998-06-04
CH690019A5 (de) 2000-03-31
JP3433299B2 (ja) 2003-08-04
BR9302874A (pt) 1994-02-22

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