EP2908697A1 - Seating having a pendulum column and safety device - Google Patents
Seating having a pendulum column and safety deviceInfo
- Publication number
- EP2908697A1 EP2908697A1 EP13722766.6A EP13722766A EP2908697A1 EP 2908697 A1 EP2908697 A1 EP 2908697A1 EP 13722766 A EP13722766 A EP 13722766A EP 2908697 A1 EP2908697 A1 EP 2908697A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pendulum
- seating furniture
- furniture according
- joint
- foot part
- 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.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims 2
- 239000013598 vector Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000002346 musculoskeletal system Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013605 shuttle vector Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
- A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
- A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
- A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects
Definitions
- the invention relates to an active dynamic seating furniture with a foot part, a seat and designed as a pillar deflectable pendulum column, which is connected by a pendulum joint, which opposes a deflection a restoring moment with the foot part, and on / on the seat resiliently angeord- is net, and with a arranged on the seat means for defining the backward direction, z.
- the musculoskeletal system requires and requires constant activity. He needs movement for a healthy development, and the maintenance of his function. Modern everyday life forces people to spend hours sitting. With an active dynamic seat opportunity, the user is provided with a three-dimensionally movable seating furniture for a dynamic and ergonomically sensible seating. By moving the body three-dimensionally while sitting, the user strengthens the back by constantly training the musculature and actively maintains intervertebral discs, tendons and joints.
- the user When sitting on such a seat, the user is always required, by balancing the balance on the resilient seat to keep the body constantly moving easily. As a result, the user takes a straight Posture, so that the discs experience a uniform load.
- the mobility of the seat always encourages the user to sit upright and change the posture so that the intervertebral discs remain loaded in parallel with alternating pressure points.
- a generic seating which has a rear part device on a foot part.
- This return device is formed of oscillating metal and consists of a tubular upper part, a lower part and an upper part and lower part disposed elastic material.
- the lower part which is fixedly attached to an arm of the foot part, surrounds the upper part cup-shaped, wherein the elastic material is arranged not only between the end sides, but also between the side walls.
- the upper part and the lower part are connected to one another via a screw, wherein the rear part device can be pretensioned via an adjusting nut cooperating with the screw and thus the restoring force can be adjusted.
- Such a stool can be equipped with a backrest. Then there is the need to limit the pendulum movement in at least one direction, in particular to the rear, so that when leaning back against the back of the user does not tilt unintentionally backwards.
- the invention is based on the Aufgeäbe to form a generic seating so on that unintentional reclining can not lead to the fall of the seating.
- This object is achieved in a generic piece of furniture in that the foot part of the chair is equipped with a safety device that sets a pendulum movement of the pendulum column backwards a higher resistance than the resistance of the restoring moment in the other directions.
- a safety device that sets a pendulum movement of the pendulum column backwards a higher resistance than the resistance of the restoring moment in the other directions.
- the safety device has a deflection limiter formed in the pendulum joint.
- the limitation of the deflection prevents the user's center of gravity from shifting beyond the support area of the base.
- This Auslenkungsbegrenzung is formed in the pendulum joint, costs for an additional support structure are avoided and the aesthetic appearance of the furniture is not affected.
- the pendulum joint has a consisting of an elastomeric pivot cup with elastic wall and elastic bottom, which is arranged in a rotatably mounted pot, wherein the pendulum column is provided at its lower end with a leg end, which received elastically in the pivot cup and the wall of the pivot cup in the region of the upper edge in the rear region has a radially inwardly projecting projection which has a lower compliance than a remainder formed bead on the inner circumference of the pivot cup, wherein the outer wall of the leg support on the projection and rests against the bead.
- a particularly advantageous embodiment provides that the projection protrudes into the interior of the joint cup in the form of a circular section and at the location of the circular section on the outside of the joint cup a detachable crescent-shaped insert stiffens the projection.
- the insert is inserted into a correspondingly shaped insert recess.
- the wall of the joint cup in the bottom region opposite the region with the projection has an extension into which engages a formed in the bottom region of the main leg end nose projection.
- the support leg end is formed with a closure plate on which an elastic tensioning element designed in the manner of a vibration metal is arranged.
- the clamping element has a fastening bolt which passes through aligned openings in the leg support, the cup and the pot and is screwed adjustably outside under the pot by means of a fastening nut.
- the fastening nut can be fixed to a hand wheel, so that an adjustment without tools is possible.
- the seat, the pendulum column and the pendulum bearing are rotatably connected to each other, and the unit formed thereby is rotatably mounted relative to the foot part about the column axis S.
- the pot is provided at its upper opening with a radially outwardly extending, circumferential, designed as an upper bearing ring rim with downwardly directed bearing track.
- the latter interacts indirectly or indirectly with a lower bearing ring provided in the foot part with an upwardly directed bearing track, wherein the receiving pot is held on a receiving surface in the foot part by means of a threaded ring designed as a positioning ring, which permits rotation of the receiving pot.
- the adjusting ring which has a fine thread and which acts on the peripheral edge of the pot from above and rests on this in sliding contact, and on the lower bearing ring a measuring device according to the principle of a micrometer is formed.
- the storage finely dosed allow easy or difficult to turn.
- threaded holes G- ⁇ - G 8
- a securing ring for a cover and four through holes, and three downwardly directed pin which can cooperate with nine measuring holes in the lower bearing ring with all holes concentric and each having the same angular distance from each other the condition that a pin and a through hole in the cover ring on a common Radiation jet lie and that a measuring bore (M 1 ) symmetrically between two threaded holes (gi, g 2 ) is arranged.
- the projection in the joint area extends over a circumferential angle of approximately 45 ° and in the rest of the Umfags Scheme a circumferential bead on the wall of the pillar end A and this holds deflectable in the vertical position.
- the pivot cup has a sealing collar around its upper opening and below this a circumferential groove on the outer peripheral edge into which a holding rib formed on the inner peripheral edge of the cover ring is inserted.
- the device for defining the backward direction is a backrest.
- the means for defining the reverse direction may be the shape of the seat in the form of a saddle.
- Fig. 1 An inventive seating in front view, partially in
- FIG. 2 a shows a schematic plan view of the seating furniture from FIG. 1 with the vectoring scheme of the restoring moments drawn in, FIG.
- Fig. 2 b shows the vector scheme of the restoring moments shown in Fig. 2 a in an enlarged view
- FIG. 3 is a plan view of the foot part with pendulum column with a main axis A - A, a schematic representation of a section through the foot part with pendulum joint along the axis A - A in view from the side, with partially broken away areas,
- FIG. 4 an enlarged view of the detail A of FIG. 4, namely a) a representation of the pendulum joint of FIG. 4 in a vertical position in side view,
- f) is a perspective view of the section of Fig. 4, a schematic representation of a section through the foot part with pendulum joint in front view along the axis B - B, with partially broken away areas an enlarged view of the detail B of Fig. 6, namely a) a representation of the pendulum joint of FIG. 6 in a left-inclined pendulum position,
- FIG. 10 shows an isometric view of the receiving pot with bearing ring and securing threaded ring together with cover ring
- 1 1 is a plan view of the upper bearing ring
- Figure 12 is a plan view of the lower bearing ring.
- FIG 1 shows an active dynamic seating in front view and partly in section.
- active dynamic seating is distinguished by the fact that the seat springs up and down on one hand and can simultaneously execute pendulum movements in any direction.
- the illustrated active dynamic seating 1 consists of a foot part 2, a seat 3, a seat back fixed to the seat 6 and a pendulum column 4, wherein the pendulum column 4 is connected via a pendulum joint 5 with the foot part 2.
- the seat is mounted on a gas spring 50 and by means of the coil spring 51, which is supported on the one hand on the seat 3 and on the other hand indirectly on the foot part 2, up and down swingable.
- the pendulum column 4 can spatially shuttle.
- the seating 1 according to the invention is shown in top view, wherein in the middle of the surface of the seat 3, a schematic representation of a diagram is shown, which illustrates the possibility of deflection of the pendulum movement of the seat.
- the diagram is shown enlarged in Figure 2 b) and shows that along the axis A - A, in the direction forward, the largest pendulum motion and in exactly opposite direction to the rear pedaling movement goes to zero. Between the Pedel movement backward and the pendulum movement forward is a continuous increase in the extent of Pedelausschlags recognizable. In the direction of the axis B - B, which is perpendicular to A - A, pendulum movements are recognizably also possible, but their vector is kept smaller than that in the case of deflection to the front.
- FIG. 3 shows an embodiment of the foot part 2.
- the foot part 2 is a five-armed star, as commonly found in office chairs application.
- a star base instead of such a star base, other bottom plates are possible, for example, a round bottom plate or a base plate with edges in the form of a polygon.
- the foot part is with a
- FIG 4 is a schematic representation of a section along the line A-A in Figure 3 through the foot part 2 with pendulum joint 5 seen from the side with partially broken away areas.
- the pendulum column 3 has been shown in this figure only to the extent that its lower end, referred to as a leg end 13, is reproduced.
- the chair is equipped according to the invention with a safety device 7.
- the safety device 7 is formed in the pendulum joint as a deflection limiter 8, whose construction will be explained in more detail below.
- FIGS. 5 a) to f) show the pendulum joint 5 with the safety device 7 according to the invention.
- the Auslenkungsbegrenzung 8 has in the pendulum joint 5 on a pot 9, which is rotatably mounted in the central opening 102 of the foot part 2.
- a pot 9 which is rotatably mounted in the central opening 102 of the foot part 2.
- an existing of an elastomer hinge cup 10 is used, the elastic wall 1 1 and elastic bottom 12 abut the inner wall and the bottom of the pot 9.
- the pivot cup 10 of the leg end closure 13 is Jerusalem- taken and elastic.
- the elastomeric material of the articulated cup 10 is suitably configured with clearance 100 relative to the outer wall of the pedestal end 13 and has sufficient softness to allow pendulum movement 13 to be held by the pivotal cup 13 held in the articulation cup 10.
- the elastic material of the joint cup is displaced into the open spaces from which it wants to return to the rest position by applying a restoring moment.
- the wall 1 of the joint cup 10 is provided in the region 14 in the upper third of the cup with a circumferential, radially inwardly extending bead 151.
- the course of the compliance of this bead runs in this embodiment according to the vector diagram of Fig. 2 b) symmetrically to the main axis A-A.
- the plane in which the bead 151 extends is inclined downwardly in front from the horizontal.
- the inclination angle ⁇ is 12 degrees in the illustrated embodiment. Depending on the field of use, however, the angle of inclination ⁇ can be modified, so that the restoring torque, which counteracts a forward deflection, becomes stronger or weaker.
- the crescent shape achieves that the resiliency of the annular bead 151 is gradually increased from the exactly backward pendulum vector V P , where the deflection is substantially zero, to the forward deflection over a respective range of 180 ° on either side of the axis A - A increases continuously.
- an inwardly protruding additional projection in the form of a circular section 152 is formed in the course of the bead 151 in such a way that it runs in a straight line in the angular range ⁇ .
- the angle range ⁇ may also be varied so that the range in which the shuttle vector has only a small value extends over a wider rear area.
- the material thickness of the bead of the pivot cup 10 in the area over which the crescent-shaped insert 23 extends is of small wall thickness, namely approximately 2 mm. It increases in this embodiment over the circumference on both sides in each case to the axis B-B continuously and has in the 180 ° region in front of the axis line B - B of Fig. 2 b) on such a wall thickness that the vectors V Pn of the pendulum profile the diagram in Figure 2 b) result.
- the wall thickness in front of the axis B - B can increase continuously, but it can also remain constant, so that the pendulum deflections in the lateral area are not as strong as in the case of an embodiment with continuous increase in wall thickness.
- the pendulum behavior is supported by a special design of the bottom of the leg leg in accordance with a further embodiment of the inside in the lower region of the wall 1 1 and the bottom 12 of the joint cup 10.
- the region of the wall 1 1 of the joint cup 10, which lies opposite the region of the crescent-shaped insert 23, is equipped with a conical recess 18 in the interior of the cup.
- the recess 18 is a in the lower region of the leg end 13 of the recess opposite shaped nose projection 19 into it.
- the bottom 12 of the joint cup 10 is formed thinner in the region 20 under the insert 23 than in the region 21 under the recess 18.
- the thinner bottom portion 20 of the pivot cup 10 is located in the pot 9 on a bottom portion, the is formed on the underside with a serving as a support thickening.
- the leg support 13 is formed with a cover plate 25.
- An elastic tensioning element 26 designed in the manner of a vibrating metal is arranged on the latter, wherein the tensioning element has a fastening bolt 27 which passes through aligned openings 28 in the supporting leg end 13, the pivot cup 10 and the receiving pot 9 and can be adjusted externally under the receiving pot by means of a fastening nut 29 screwed, see also Fig. 6, 7 a) to 7c).
- the bottom is formed in the region 17 below the recess 18 thickened. In this area, the front part of the end plate presses in a forwardly directed pendulum movement, so that by the tendency of the material to return to its original position after its displacement by the forward pendulum motion, a further restoring moment is generated (see FIG. Fig. 5 c)).
- FIG. 5e shows a supporting leg end 13 with a flattening 153 and a groove 122.
- the supporting leg end 13 is provided with a flattening 153 complementary to the shape of the projection 15 in relation to the straight line 152 of the circular section projection 15 on its outer wall.
- Fig. 5 f is a perspective view of the section of Fig. 4 is shown. For clarity, the pot was not reproduced.
- a gudgeon-like upwardly projecting rib 22 is formed in the joint cup 10, which engages in a correspondingly shaped groove 122 in the bottom region of the support leg end 13 and the end plate 25. Due to the flattening 153 and the engagement of the rib 22 in the groove 122, a fixation of the pendulum column relative to the joint cup 10 is brought about after the onset of the leg end closure 13.
- Figures 6 and 7 a) to 7 c) show a schematic representation of a section through the foot part with pendulum joint in front view along the axis B - B, with partially broken away areas, wherein the Fig. 7 a) to 7 c) are an enlarged view of the detail B of FIG. 6, namely a representation of the pendulum joint differently inclined pendulum positions.
- the bottom 12 is over its entire width representation of the section along the axis B - B equipped with the thickening region 17, so that in each case a sufficient restoring force is provided.
- the bead 51 which is arranged in the upper region 14 of the joint cup, bears against the same pressure on both sides of the support leg end.
- FIG. 7 b) shows a representation of the pendulum joint 5 of Fig. 6 in a vertical position.
- the circumferential bead 151 as well as the projection 15 abut against the outer wall of the pillar end, so that distributed over its circumference in the rest position, the same holding forces are effective.
- the receiving pot 9 is provided at its upper opening 30 with a radially outwardly extending peripheral edge.
- the edge is formed as an upper bearing ring 32 and provided with a downwardly directed bearing web 33.
- a lower bearing ring 34 is received with upwardly directed bearing track 133 which cooperates via rolling means 24 (balls, rollers) with the upper bearing track 33.
- the lower bearing ring 34 lies on a radially inwardly directed circumferential shoulder 202, which is formed in the central opening 102 and on which a receiving surface 35 is formed.
- the bearing ring 34 has an L-shaped cross section, wherein the upstanding free leg on its radially inwardly directed wall with an internal thread is provided.
- the thread is designed as a fine thread.
- the horizontal leg of the L-shaped cross section has the upwardly directed bearing track 133.
- the receiving pot 9 is with the interposition of the rolling means 24 with its radially outwardly directed bearing rim - edge on the horizontal leg of the lower bearing ring 34.
- the screwed into the thread of the bearing ring 34 in adjusting ring 37 acts on the underside of the upper surface 31 rotating bearing ring 32 of the pot 9 from above and is on this in sliding contact.
- a bias voltage between the two bearing rings 32 and 34 is generated.
- the bearing ring 34 is screwed by means not shown screw connections preferably from below to the shoulder 202 of the central opening 102.
- the adjusting ring 37 is a part of a measuring device 35, which is designed according to the principle of a micrometer.
- the adjusting ring 37 eight threaded holes ⁇ G ⁇ - G 8 ) for the attachment of a cover 38.
- the cover ring 38 has four through holes 39 and three downwardly directed pins 40, which can cooperate with nine measuring bores (mi - m 9 ) in the lower bearing ring 34. All holes and the pins are concentric and symmetrical with respect to their angular spacing, with the proviso that a pin 40 and a through hole 39 in the cover are on a common radius beam.
- the cover ring 38 is screwed onto the adjusting ring 37 by means of screws 139 guided through the through bores.
- the adjusting ring 37 can be screwed by turning the cover 38 in the lower bearing ring.
- One of the measuring holes (mi) is arranged exactly symmetrically between two tapped holes (GL G 2 ); This configuration allows a precise bias on the rolling means 24, which allow a rotation of the pendulum joint in the foot part 2 between the bearing rings.
- a variant not shown, instead of the illustrated ball bearing and a sliding bearing can be used without the clamping device would have to be changed.
- the pivot cup 10 is provided with a sealing collar 43 around its upper opening 42 and below it with a groove 44 running around its outer circumference into which an inwardly aligned groove 44 formed on the inner circumferential edge of the cover ring 38 engages. te retaining rib 45 is inserted.
- the device for defining the backward direction is a backrest 46 in the exemplary embodiment described.
- the device for defining the reverse direction can also consist in that the shape of the seat has the shape of a saddle.
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012110031.4A DE102012110031A1 (en) | 2012-10-19 | 2012-10-19 | Asymmetrical deflection with pivot bearing |
PCT/EP2013/060128 WO2014060121A1 (en) | 2012-10-19 | 2013-05-16 | Seating having a pendulum column and safety device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2908697A1 true EP2908697A1 (en) | 2015-08-26 |
EP2908697B1 EP2908697B1 (en) | 2019-05-08 |
Family
ID=48444394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13722766.6A Not-in-force EP2908697B1 (en) | 2012-10-19 | 2013-05-16 | Seating having a pendulum column and safety device |
Country Status (4)
Country | Link |
---|---|
US (1) | US9526341B2 (en) |
EP (1) | EP2908697B1 (en) |
DE (1) | DE102012110031A1 (en) |
WO (1) | WO2014060121A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9763520B1 (en) * | 2016-08-15 | 2017-09-19 | Oasychair Co., Ltd | Reclinable office chair |
US10034547B1 (en) * | 2017-03-03 | 2018-07-31 | Oasyschair Co., Ltd. | Reclinable office chair |
JP7091959B2 (en) * | 2018-09-12 | 2022-06-28 | トヨタ自動車株式会社 | Vehicle seat |
DE112020002777T5 (en) * | 2019-06-10 | 2022-03-03 | Inventor Group Gmbh | Tiltable stool |
US10966528B1 (en) * | 2019-08-08 | 2021-04-06 | Ronald B. Johnson | Spring stool |
KR102275811B1 (en) * | 2020-10-23 | 2021-07-09 | 체어마이스터 주식회사 | Tiltable chair |
RU2755119C1 (en) * | 2020-12-17 | 2021-09-13 | Юрий Семенович Андрианов | Office chair |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1814513U (en) | 1960-05-05 | 1960-07-07 | Fritz Dr Ing Drabert | SWING SEAT CHAIR. |
DE7531129U (en) * | 1975-10-02 | 1976-03-18 | Schuckmann, Alfred Von, 5657 Haan | WORK SEAT |
DE3612201C2 (en) | 1986-04-11 | 1995-04-06 | Roericht Hans Prof | Device for supporting the buttocks of standing people |
DE19504121A1 (en) * | 1995-02-08 | 1996-08-14 | Josef Gloeckl | Pendulum stool with contact device arranged centrally under the seat |
AUPN779996A0 (en) | 1996-01-30 | 1996-02-22 | Hibberd, Ronald Charles | Tilting chair |
DE19654500C1 (en) * | 1996-12-18 | 1998-03-12 | Ulrich Dipl Ing Huber | Adjustable furniture frame with triple axis movement for lying and sitting |
US6601818B1 (en) * | 2000-10-12 | 2003-08-05 | Lord Corporation | Tilting mount with integral flange |
US6997511B2 (en) * | 2004-04-09 | 2006-02-14 | Transfert Plus, S.E.C. | Seating device |
CA2488519A1 (en) | 2004-11-25 | 2006-05-25 | Keilhauer (Partnership) | Tilt and swivel chair and mechanism therefor |
US7547067B2 (en) * | 2004-12-01 | 2009-06-16 | Keilhauer (Partnership) | Tilt and swivel chair and mechanism therefor |
US8066624B1 (en) * | 2008-08-05 | 2011-11-29 | Stroup David K | Ergonomic exercise posture chair and method of using same |
DE102009019880A1 (en) * | 2009-05-06 | 2011-01-20 | Josef GLÖCKL | Mobile seating with a device for controlling a restoring force |
US8540314B2 (en) * | 2009-10-28 | 2013-09-24 | Products Of Tomorrow, Inc. | Flex chair |
US9226556B1 (en) * | 2014-11-06 | 2016-01-05 | Li-Sheng Chien | Foot base for assistive device |
-
2012
- 2012-10-19 DE DE102012110031.4A patent/DE102012110031A1/en not_active Withdrawn
-
2013
- 2013-05-16 WO PCT/EP2013/060128 patent/WO2014060121A1/en active Application Filing
- 2013-05-16 EP EP13722766.6A patent/EP2908697B1/en not_active Not-in-force
- 2013-05-16 US US14/433,836 patent/US9526341B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014060121A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014060121A1 (en) | 2014-04-24 |
US20150272331A1 (en) | 2015-10-01 |
US9526341B2 (en) | 2016-12-27 |
DE102012110031A1 (en) | 2014-04-24 |
EP2908697B1 (en) | 2019-05-08 |
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