EP2910146B1 - Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell - Google Patents

Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell Download PDF

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Publication number
EP2910146B1
EP2910146B1 EP14156346.0A EP14156346A EP2910146B1 EP 2910146 B1 EP2910146 B1 EP 2910146B1 EP 14156346 A EP14156346 A EP 14156346A EP 2910146 B1 EP2910146 B1 EP 2910146B1
Authority
EP
European Patent Office
Prior art keywords
threaded bushing
locking element
furniture
support column
operating position
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.)
Active
Application number
EP14156346.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2910146A1 (de
Inventor
Detlef Kessler
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.)
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Original Assignee
VS Vereinigte Spezialmobelfabriken GmbH and Co KG
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 VS Vereinigte Spezialmobelfabriken GmbH and Co KG filed Critical VS Vereinigte Spezialmobelfabriken GmbH and Co KG
Priority to EP14156346.0A priority Critical patent/EP2910146B1/de
Priority to NO14156346A priority patent/NO2910146T3/no
Priority to PL14156346T priority patent/PL2910146T3/pl
Priority to AU2015200196A priority patent/AU2015200196B2/en
Priority to US14/629,962 priority patent/US9254041B2/en
Publication of EP2910146A1 publication Critical patent/EP2910146A1/de
Application granted granted Critical
Publication of EP2910146B1 publication Critical patent/EP2910146B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A47C7/5062—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type rectilinearly
    • A47C7/5064—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type rectilinearly in vertical direction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation

Definitions

  • the invention relates to a furniture frame, in particular a chair or table frame, with a support column and an attached foot ring and a chair or table furniture with such a chair or table frame.
  • Conventional swivel chairs have a central, substantially vertically extending, optionally adjustable support column with a longitudinal axis, which is mounted on a foot (frame) and which carries a seat with (or without) backrest.
  • a foot frame
  • a seat with (or without) backrest.
  • the foot ring can also be referred to as a climbing aid, footrest ring or footrest.
  • the DE 12 82 882 A a swivel chair with a support shaft and a cross-base, wherein a foot ring is provided directly and thus at a fixed predetermined height at the cross-base.
  • a foot ring which is height-adjustable mounted on a support column, the height adjustment of the foot ring independently from a possibly provided height adjustment of the support column, so that the furniture (especially seating or table furniture) can be better adapted to the personal needs and comfort needs of a user.
  • the furniture frame of the invention is intended to allow in particular a user-friendly height adjustment of the foot ring to a support column of the furniture frame.
  • the furniture frame of the invention comprises a supporting column, which has a longitudinal axis, a foot ring and a fastening device with which the foot ring is adjustably mounted on the support column in the axial direction, on.
  • the fastening device has a first threaded bush, which is arranged coaxially to the support column and rotatably connected to the support column and having an external thread, and a second threaded bush, which is arranged coaxially to the support column and rotatably connected to the base ring and having an internal thread, on.
  • the internal thread of the second threaded bushing engages the external thread of the first threaded bushing, and the second threaded bushing is rotatable about the first threaded bushing by at least one revolution so that the second threaded bushing can be moved relative to the first threaded bushing in the axial direction.
  • the fastening device has a locking element which is movable between a first operating position and a second operating position, wherein the locking element in the first operating position prevents relative movement between the first threaded bushing and the second threaded bushing and in the second operating position a relative movement between the first threaded bushing and the second threaded bushing releases, wherein the first threaded bushing has on its outer side a first longitudinal groove, in which a clamping block of the Feststeflelements engages in its first operating position, and the locking element is biased in its first operating position.
  • the foot ring can be freely positioned, for example by the user of the furniture frame, on the support column and thus optimally adapted to the needs of the user.
  • the height positioning of the foot ring is done even in the case of a length-adjustable support column regardless of the adjustment of the support column itself.
  • the furniture frame of the invention thus has a very user-friendly positioning option for the footrest attached to the support column.
  • the second threaded bushing is thereby rotatable about the first threaded bushing by at least one revolution, preferably by several (i.e. two, three, four or more) revolutions.
  • the number of possible circulations depends on the number of adjustable use positions in different height positions and the maximum displacement dimension in the axial direction or determines these sizes.
  • a circulation is to be understood in this context as a complete 360 ° rotation.
  • a furniture element on which a user of the furniture can park his feet or support can be referred to as an ascent, footrest or footrest, for example.
  • foot ring this is not necessarily designed annular and does not necessarily circumferentially around the entire support column around.
  • the foot ring can optionally extend only over one or more sectors or secants of a ring shape and / or have an arcuate, a single or multiple curved or a substantially rectilinear shape.
  • the locking element With the help of the locking element, the height adjustment of the foot ring on the support column by the user in a simple way - depending on the operating position of the Locking element - blocked or released.
  • the locking element thus contributes to the user-friendliness of the furniture frame of the invention.
  • the furniture frame preferably has exactly one support column.
  • the support column is preferably arranged and mounted substantially centrally on a furniture foot.
  • the rotatability of the foot ring relative to the support column is achieved in the furniture frame according to the invention by the first and second threaded bush, so that the support column can basically have any cross-sectional shape, it is preferably configured in cross-section substantially circular, square or rectangular.
  • the support column may be substantially solid or at least partially hollow.
  • the support column is preferably made of a metallic material or a high-strength plastic material.
  • the support column of the furniture frame can have a fixed length or be designed adjustable in length.
  • a length-adjustable support column preferably has a gas spring with a cylinder and a piston rod.
  • the foot ring is preferably adjustably mounted in the axial direction in the region of the fixed part of the supporting column (for example cylinder of the gas spring).
  • the longitudinal axis of the support column preferably extends substantially vertically (relative to a substantially horizontal bottom surface on which the furniture frame stands).
  • the axial direction in this context denotes a direction substantially co-linear or parallel to the longitudinal axis of the support column, and the radial direction in this context denotes a direction substantially perpendicular to the longitudinal axis of the support column.
  • the threaded bushes preferably each have a substantially tubular basic shape. They are arranged coaxially to the support column, ie their longitudinal axes coincide with the longitudinal axis of the support column.
  • the first threaded bushing preferably has a substantially (circular) outer circumference and the second threaded bushing preferably has a substantially (circular) inner circumference.
  • the first threaded bush has an external thread on its outer side, and the inside of the first threaded bush is with the Outside of the support column rotatably connected.
  • the second threaded bushing has an internal thread on its inside, and the outside of the second threaded bushing is preferably non-rotatably connected to the inside of a hub of the foot ring.
  • the hub is preferably formed integrally with the foot ring or rotatably connected thereto.
  • the second threaded bushing is preferably arranged substantially coaxially with the first threaded bushing.
  • the second threaded bushing preferably encloses the first threaded bush substantially in its entirety.
  • the (first and / or second) threaded bushing is preferably formed in one or more parts, and this in the circumferential direction and / or in the axial direction ..
  • the first threaded bushing extends in the axial direction preferably over a large part of the length of the support column or the fixed part the length-adjustable support column.
  • the second threaded bushing is preferably designed to be shorter in the axial direction than the first threaded bushing.
  • the threaded bushes are preferably made of a plastic material.
  • the external thread of the first threaded bushing and / or the internal thread of the second threaded bushing are preferably designed as a trapezoidal thread, particularly preferably as a double-threaded trapezoidal thread.
  • the advantage can preferably be achieved that the forces are derived on a mechanical load of the foot ring (especially in a one-sided or asymmetrical load) on the thread of the threaded bushes on the (stably trained) support column.
  • a non-rotatable connection or arrangement between two components designates a construction in which the two components can not be non-destructively rotated relative to each other.
  • the rotationally fixed arrangement is preferably designed as a positive, non-positive and / or material connection between the components.
  • Such a connection is preferably by a deviating from the circular cross-sectional profile of at least one of the two components (eg by knurling or welded sheets), by gluing or welding of the two components, by a press fit between the two components, by shrinking the one component to the other Component (eg during cooling after a molding process of a component), by a one-piece design of the two components with each other, achieved by combinations of these measures or the like.
  • the locking element is a device which is suitable and arranged to be moved back and forth between a first operating position and a second operating position, preferably several times.
  • the locking element is in contact or in engagement with the first threaded bushing and with the second threaded bushing, at least in each case one of the two operating positions.
  • the locking element is preferably configured in one or more parts.
  • the locking element is preferably made of metal or plastic.
  • the furniture frame is particularly suitable for seating and table furniture, particularly preferred for chairs, swivel chairs and bar tables.
  • the furniture frame preferably has a furniture foot for supporting the support column.
  • the furniture foot is basically any stand device for the furniture frame or the furniture as a whole, it can be either designed as a mobile furniture foot (for example, with castors) or as a stationary furniture foot.
  • the locking element is biased in its first operating position. With this configuration, it can be preferably prevented that the foot ring is unintentionally adjusted in its height position, for example when the foot ring is loaded.
  • the locking element is preferably operatively connected to a spring element.
  • the fastening device further comprises an actuating element, which is operatively connected to the locking element in order to move the locking element between its first and second operating position can.
  • the actuator is preferably arranged freely accessible and operated by the user of the furniture frame.
  • the actuating element is guided or held on / in the foot ring or guided or held in a holding element fastened to the foot ring. If the locking element to be biased in its first operating position, the actuating element for this purpose preferably a spring element.
  • the locking element is held against rotation relative to the second threaded bush and movable relative to the first threaded bushing in the radial direction.
  • the first threaded bush has a first longitudinal groove and the locking element has a clamping block or is designed in the manner of a clamping block, which engages in the first operating position of the locking element in the first longitudinal groove of the first threaded bushing.
  • the engaging in the first longitudinal groove of the first threaded bushing clamping block may preferably a rotational movement of the second threaded bushing (and thus of the furniture element) in which the locking element is preferably held rotationally fixed to block the first threaded bushing (and thus to the support column).
  • the locking element has a mandrel, which engages in the second operating position of the locking element in the external thread of the first threaded bushing.
  • the first threaded bushing has a first longitudinal groove, in which a plurality of recesses spaced in the axial direction are formed
  • the locking element comprises a clamping block (or is designed in the manner of a clamping block), which in the first operating position of the locking element engages in the first longitudinal groove of the first threaded bush, and a mandrel, which engages in the first operating position of the locking element in one of the recesses in the first longitudinal groove of the first threaded bushing and engages in the second operating position of the locking element in the external thread of the first threaded bushing, on ,
  • At least one of the advantages can be achieved that the locking element during the relative rotational movement between the first and second threaded bushing in a desired position relative to the two threaded bushing remains, and that the demandingring in the first operating position of the locking element in safer the adjusted height position remains.
  • the first longitudinal groove is formed on the outside of the first threaded bushing and extends substantially parallel to the longitudinal axis of the support column.
  • the first longitudinal groove preferably intersects the spirally encircling thread groove of the external thread of the first threaded bushing several times.
  • the first longitudinal groove is preferably spaced from a furniture foot facing one end of the first threaded bushing and / or a remote from a furniture foot end of the first threaded bushing. With these spacings, stops for the movement of the second threaded bushing relative to the first threaded bushing in the axial direction upwards or downwards can be created in a simple manner.
  • the clamping block of the locking element preferably has, in the circumferential direction of the first threaded bushing, a width which is dimensioned slightly less than the width of the first longitudinal slot.
  • the clamping block of the locking element In the axial direction of the clamping block of the locking element is preferably sized larger than a width of the thread groove of the external thread of the first threaded bushing. Particularly preferably, the clamping block of the locking element in the axial direction is at least as large as a pitch of the external thread of the first threaded bushing dimensioned.
  • the recesses in the first longitudinal groove of the first threaded bushing are preferably each arranged in the course of the thread groove of the external thread of the first threaded bushing.
  • the recesses are provided in the first longitudinal groove at each passage of the thread groove or only every other or every third passage of the thread groove through the first longitudinal groove.
  • a securing device is on the first threaded bushing and / or the second threaded bushing provided which prevents movement of the second threaded bushing beyond an end of the first threaded bush facing away from the furniture foot.
  • This securing effect should in particular also be present for the locking element in its second operating position.
  • the securing device preferably has a securing ring, which is inserted into an annular groove at the upper end of the support column.
  • the first threaded bushing has at least one second longitudinal groove, with which the locking element can not be brought into engagement.
  • This at least one second longitudinal groove can be a material abrasion of the threaded bushes and the locking element (which is formed by the relative movements of the engaged components) automatically removed from the furniture frame out.
  • the mandrel of the locking member promotes in its second operating position the material abrasion along the thread groove of the external thread of the first threaded bush to the at least one second longitudinal groove of the first threaded bushing, through which it can then fall.
  • this is preferably arranged substantially diametrically opposite the first longitudinal groove.
  • the invention further relates to a chair furniture, which has a seat and a chair frame of the invention described above, wherein the support column of the chair frame carries the seat, either directly or through a seat support therebetween.
  • the invention also relates to a table furniture, which has a table top and a table frame of the invention described above, wherein the support column of the table frame carries the table top, either directly or via a table top mount in between. All mentioned above in connection with the furniture frame advantages, definitions and preferred developments apply in a corresponding manner for this table furniture.
  • Fig. 1 to 7 The invention will now be explained in more detail with reference to a furniture frame in the form of a chair frame for a swivel chair with a foot ring.
  • the invention is also applicable to other chair and table furniture.
  • the chair frame 10 has a furniture foot in the form of a base 12 with several castors 14 and mounted on the base 12 gas spring as height-adjustable support column 16. On this support column 16 by means of a seat support (not shown), for example, a seat with backrest are rotatably mounted.
  • the support column 16 has a substantially vertically extending longitudinal axis 17 and is mounted substantially centrally on the base 12.
  • the support column 16 forming gas spring has a fixed cylinder and a coaxial with this recorded therein piston rod.
  • the piston rod is hydropneumatically adjustable in the axial direction relative to the cylinder, so as to change the length of the support column 16 and thus the height of the seat.
  • a first cone 18 is provided, which is received in a corresponding recess in the base 12.
  • the first cone 18 is preferably used with a press fit in the base 12 and optionally additionally glued.
  • the cylinder of the gas spring or a support column of fixed length can be height-adjustable mounted in the base 12.
  • a second cone 20 is provided at the top, i. the base 12 remote from the end of the piston rod of the gas spring. This second cone 20 is used together with a threaded pin 21 or the like at the upper end of the piston rod of the gas spring of the assembly of the seat support for the seat.
  • a foot ring 24 having a plurality of struts 26 is attached by means of a fastener.
  • the fastening device is designed such that the foot ring 24 is mounted vertically adjustable in the region of the fixed part of the support column 16. The height adjustment of the foot ring 24 is done regardless of a height adjustment of the seat on the length adjustment of the support column 16. The user can optimally adapt the swivel chair to his / her needs, whereby the comfort of the user is increased.
  • the fastening device has a first threaded bush 22 made of plastic with an external thread 28.
  • the external thread is preferably configured as a double-threaded trapezoidal thread.
  • the first threaded bush 22 is pushed, for example, after its molding process in the still warm state on the support column 16 and then shrinks during cooling on the outer periphery of the support column 16 so that it is rotatably connected with this.
  • An additional fixation can be achieved, for example, by knurling the support column 16 and / or welded-on metal sheets to prevent rotation and / or by an adhesive bond.
  • the first threaded bush 22 also has a first longitudinal groove 30 in its outer side, which extends substantially vertically and crosses the thread groove of the external thread 28 several times.
  • the first longitudinal groove 30 is spaced from the lower and the upper end of the first threaded bush 22, so that a first stop 30a and a second stop 30b are formed.
  • a plurality of depressions 31 are preferably formed in the first longitudinal groove 30. These recesses 31 are arranged one behind the other in the axial direction at a distance from one another. The recesses 31 are each in the course of (imaginary) thread groove of the external thread 28 positioned by the first longitudinal groove 30, in the embodiment shown only at each second intersection.
  • the first threaded bush 22 also has a second longitudinal groove 32 in its outer side.
  • This second longitudinal groove 32 is arranged substantially diametrically opposite the first longitudinal groove 30.
  • the second longitudinal groove 32 is dimensioned narrower in the circumferential direction of the first threaded bush 22 than the first longitudinal groove 30th
  • the fastening device for mounting the foot ring 24 also has a second threaded bush 34 made of plastic. This is rotatably received in a central hub 25 of the foot ring 24 to this.
  • a second threaded bush 34 made of plastic. This is rotatably received in a central hub 25 of the foot ring 24 to this.
  • at least one radially outwardly projecting locking lug 35 is provided on the lateral surface of the second threaded bushing 34, which can engage or snap into a corresponding recess 27 in the foot ring 24 or the hub 25 of the foot ring 24, as in Fig. 6C is illustrated.
  • the second threaded bushing 34 is thus arranged coaxially with the first threaded bushing 22 and the support column 16 and surrounds the first threaded bush 22 in full.
  • the second threaded bushing 34 is significantly shorter in the axial direction than the first threaded bushing 22.
  • the second threaded bushing 34 may be assembled from two half-shells to facilitate the assembly of the chair frame 10 and its attachment means for the foot ring 24, respectively.
  • the second threaded bush 34 On its inner side, the second threaded bush 34 has an internal thread 36 which engages with the external thread 28 of the first threaded bushing 28. In this way, the second threaded bush 34 can be rotated about the longitudinal axis 17 of the support column 16 relative to the first threaded bush 22. During this rotational movement, the second threaded bush 34 (and thus also the foot ring 24) in the axial direction relative to the first threaded bush 22 (and thus also to the support column 16).
  • the fastening device In order to fix the foot ring 24 in a desired height position and to prevent unintentional adjustment of the foot ring 24, the fastening device also has a locking element 38 (cf. Fig. 5 to 7 ).
  • the locking element 38 is made of high-strength plastic or metal and is formed substantially in the manner of a clamping block (alternatively: has a guide pin and a clamping block) and has a mandrel 38 a (see. Fig. 5D . 6A and 6B ). In the embodiment shown, the locking element 38 is integrally formed.
  • the mandrel 38 a of the locking element 38 is dimensioned so that it can engage both in the thread groove of the external thread 28 of the first threaded bushing 22 and in the recesses 31 in the first longitudinal groove 30 of the first threaded bush 22.
  • the clamping stone-like locking element 38 is dimensioned in the circumferential direction of the first threaded bush 22 such that it (with as little play) can engage in the first longitudinal groove 30 of the first threaded bushing 22, but not in the second longitudinal groove 32 of the first threaded bushing 22.
  • the clamping block may be slightly conical. In the axial direction, the clamping-stone-like locking element 38 extends over at least one pitch of the external thread 28 of the first threaded bushing 22 away.
  • the locking element 38 is received in a recess 40 of the second threaded bushing 34 so that it is in the radial direction between a first operating position ( Fig. 5C . 5D and 6A ) and a second operating position ( Fig. 5B and 6B ) can be moved. In the axial direction and in the circumferential direction, however, the locking element 38 is positioned stationary with respect to the second threaded bush 34.
  • the locking element 38 In the second operating position of the locking element 38, the locking element 38 is pulled outward in the radial direction, so that it rests externally on the external thread 28 of the first threaded bush 22 and its mandrel 38 a engages only in the thread groove of the external thread 28 of the first threaded bushing 22, so that a relative rotation between the first threaded bush 22 and the second threaded bush 34 is made possible.
  • the movement of the locking element 38 between the two operating positions can be adjusted by the user by means of a corresponding actuating element 42 (cf. Fig. 5D ), which is operatively connected to the locking element 38 via a lever 41 which is pivotable about an axis of rotation 41a oriented parallel to the longitudinal axis 17 of the support column 16.
  • the actuating element 42 is coupled to a spring element 43.
  • the actuator 42 is taken together with the lever 41 and the spring element 43 in the foot ring 24 (alternatively: in a molded or fixed to the foot ring holding member 44) and protected by a removable cover 44.
  • first the first threaded bushing 22 is shrunk onto the supporting column 16 and then the second threaded bush 34 is assembled around the first threaded bushing 22 on the supporting column 16 (cf. Fig. 7 ) and then inserted into the hub 25 of the foot ring 24 and locked (see. Fig. 6C ). Thereafter, the locking element 38, the actuator 42 with the spring element 43 and the lever 41 are inserted into the base ring 24 and the cavity of the foot ring 24 receiving these elements closed with a cover 44 (see. Fig. 5A and 7 ).
  • the second threaded bushing 34 can be inserted into the hub 25 of the foot ring 24 (possibly pressed un / or glued), then the locking element 38 inserted from the inside into the recess 40 of the second threaded bushing 34 and pushed outwards where it Finally, via the lever 41 can be connected to the actuator 42 before the foot ring 24 is closed with the cover 44. Only then is the first threaded bush 22 shrunk onto the support column 16. The support column 16 can then be screwed with the first threaded bushing 22 in the second threaded bushing 34. Finally, the support column 16 is set with the first cone 18 in the base 12.
  • the foot ring 24 At rest, the foot ring 24 is in any height position on the support column 16 of the pedestal 10 and the locking element 38 of the fastening device is biased in its second operating position. In this state, the foot ring 24 can be moved either in the axial direction, which is prevented by the interlocking threads 28, 36 of the two threaded bushings 22, 34 are still rotated about the support column 16, which by the first in the first longitudinal groove 30 of the first Threaded sleeve 22 engaging locking element 38 is prevented.
  • the fixation of the foot ring 24 in this state is reinforced by the engaging in one of the recesses 31 in the first longitudinal groove 30 mandrel 38 a of the locking element 38.
  • a user wants to change the height position of the foot ring 24, for example, to adapt to his / her height, so he presses the actuator 42 in the foot ring 24 to the locking element 38 via the lever 41 against the biasing force of the spring element 43 radially outward to move to his second operating position.
  • the locking element 38 is also pulled out of the first longitudinal groove 30 of the first threaded bush 22.
  • the second threaded bushing 34 can then be rotated relative to the first threaded bushing 22, wherein the mandrel 38a of the locking element 38 engages in the thread groove of the external thread 28 of the first threaded bush 22 (guide aid).
  • the user can basically release the actuator 42 again, the clamping block of the locking element 38 then sets on the external thread 28 of the first threaded bushing 22, since he with the second threaded bushing 34 is rotated away from the first longitudinal groove 30 in the first threaded bush 22.
  • the rotation of the foot ring 24 about the support column 16 can be continued until it reaches 360 °.
  • the locking element 38 engages due to the bias by the spring element 43 again in the first longitudinal groove 30 of the first threaded bushing 22 a.
  • the mandrel 38a of the locking element 38 engages in the recess 31 above or below (depending on the direction of rotation) of the recess of the previous height positioning.
  • this process can be repeated more often to achieve a greater height adjustment of the foot ring 24.
  • a complete rotation of the foot ring 24 by 360 ° causes, for example, a stroke of about 2 to 3 cm.
  • the mandrel 38a of the locking member 38 transports simultaneously abrasive material in the thread groove of the external thread 28 of the first threaded bushing 22 to the second longitudinal groove 32 of the first threaded bushing 22. In the second longitudinal groove 32, the material can then fall down and trickle down out of the chair frame 10. This measure counteracts excessive wear of the fastening device with its movable components.

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  • Chair Legs, Seat Parts, And Backrests (AREA)
EP14156346.0A 2014-02-24 2014-02-24 Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell Active EP2910146B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14156346.0A EP2910146B1 (de) 2014-02-24 2014-02-24 Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell
NO14156346A NO2910146T3 (pl) 2014-02-24 2014-02-24
PL14156346T PL2910146T3 (pl) 2014-02-24 2014-02-24 Podstawa mebla, zwłaszcza podstawa krzesła lub stołu, oraz krzesło lub stół mające taką podstawę mebla
AU2015200196A AU2015200196B2 (en) 2014-02-24 2015-01-16 Furniture frame, particularly a chair or a table frame, and chair or table comprising such a furniture frame
US14/629,962 US9254041B2 (en) 2014-02-24 2015-02-24 Furniture frame, particularly a chair or a table frame, and chair or table furniture containing such a furniture frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14156346.0A EP2910146B1 (de) 2014-02-24 2014-02-24 Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell

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EP2910146A1 EP2910146A1 (de) 2015-08-26
EP2910146B1 true EP2910146B1 (de) 2017-10-11

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EP14156346.0A Active EP2910146B1 (de) 2014-02-24 2014-02-24 Möbelgestell, insbesondere Stuhl- oder Tischgestell, und Stuhl- oder Tischmöbel mit einem solchen Möbelgestell

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US (1) US9254041B2 (pl)
EP (1) EP2910146B1 (pl)
AU (1) AU2015200196B2 (pl)
NO (1) NO2910146T3 (pl)
PL (1) PL2910146T3 (pl)

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US9706849B2 (en) * 2015-09-04 2017-07-18 Dongguan Kentec Office Seating Co., Ltd. Fastening structure for footrest ring of chair
US9578969B1 (en) * 2015-09-04 2017-02-28 Dongguan Kentec Office Seating Co., Ltd. Adjustable footrest ring for chair
USD797483S1 (en) * 2016-01-27 2017-09-19 Dongguan Kentec Office Seating Co., Ltd. Chair foot ring
US9961996B2 (en) * 2016-04-07 2018-05-08 Company Of Motion, Llc Table with storage rack
CN106175222B (zh) * 2016-09-30 2023-02-28 安吉金泰紧固件有限公司 一种折叠式五星脚
US20190083845A1 (en) * 2017-09-15 2019-03-21 Actervis Gmbh Exercise device
USD893903S1 (en) 2018-04-27 2020-08-25 Trendler, Inc. Bar stool base having wood legs
USD894624S1 (en) 2018-04-27 2020-09-01 Trendler, Inc. Counter stool base having wood legs
US11147380B2 (en) * 2019-05-01 2021-10-19 Yoav Suprun Adjustable stool
WO2020243669A1 (en) * 2019-05-30 2020-12-03 That Cat Camera Support, Llc Reconfigurable dolly
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Also Published As

Publication number Publication date
AU2015200196A1 (en) 2015-09-10
PL2910146T3 (pl) 2018-03-30
US20150238014A1 (en) 2015-08-27
US9254041B2 (en) 2016-02-09
NO2910146T3 (pl) 2018-03-10
EP2910146A1 (de) 2015-08-26
AU2015200196B2 (en) 2016-03-10

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