EP1106111B1 - Dispositif de rappel pour une chaise, en particulier pour un tabouret de bar - Google Patents

Dispositif de rappel pour une chaise, en particulier pour un tabouret de bar Download PDF

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Publication number
EP1106111B1
EP1106111B1 EP00128276A EP00128276A EP1106111B1 EP 1106111 B1 EP1106111 B1 EP 1106111B1 EP 00128276 A EP00128276 A EP 00128276A EP 00128276 A EP00128276 A EP 00128276A EP 1106111 B1 EP1106111 B1 EP 1106111B1
Authority
EP
European Patent Office
Prior art keywords
return device
shaft
spring
foot
screw
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
EP00128276A
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German (de)
English (en)
Other versions
EP1106111A1 (fr
Inventor
Josef GLÖCKL
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1106111A1 publication Critical patent/EP1106111A1/fr
Application granted granted Critical
Publication of EP1106111B1 publication Critical patent/EP1106111B1/fr
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
    • A47C9/00—Stools for specified purposes
    • A47C9/007—High stools, e.g. bar stools
    • 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
    • A47C3/18—Chairs or stools with rotatable seat
    • 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
    • A47C3/22—Chairs or stools with vertically-adjustable seats with balancing device, e.g. by spring, by weight
    • 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
    • A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
    • 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
    • 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 a reset device for a seat device, and in particular relates to a reset device for a bar stool.
  • Bar stools are well known. However, they have the disadvantage that you sit on them very static. The back muscles relax on long evenings the user which leads to an unfavorable sitting position. On Most of the population does a sedentary job in the office during the day also contributes to the degeneration of the back muscles. Sit especially those People with already weakened back muscles even in the evening on static ones Bar stools, this usually leads to an unfavorable sitting posture and from it resulting back pain. Through a persistent, even load of the intervertebral discs these are extremely poorly supplied with blood, which is permanent Can result in back damage. When sitting on bar stools comes a disadvantage added that the legs hang diagonally down and therefore most users tend to form a hollow back. This sitting posture is considered uncomfortable perceived, the bar visitor supports himself on the bar, which in turn increases leads to a very one-sided load on the intervertebral disc.
  • Document WO-A-96 24 273 shows a reset device for a seat device, in particular for a bar stool, with an essentially cylindrical intermediate part of a substructure a seat part, which intermediate part can be tilted on a foot part and resettable held by the reset device is, the direct connection between the foot part and Intermediate part by means of a made of elastic material Rifle that is between both the side walls and the End walls is arranged takes place.
  • the intermediate part can be tilted and reset directly on the foot part is, the user always oscillates slightly back and forth. This keeps the back muscles also always slightly moving and the intervertebral disc is well supplied with blood.
  • the bar stool swings even with the smallest Movement in its longitudinal axis so that the back muscles are constantly in motion remains and also the intervertebral disc is not subjected to any static load.
  • the object of the invention is to improve this known seat device.
  • the foot part has a fixed shaft and the hinge point between the foot part and the intermediate part is at the upper end of the Shaft.
  • the fixed shaft ensures that the hinge point does not close far from the seat and thus the pendulum movement on a cheap Extent is limited.
  • the pendulum point were on the ground, the commute is too large for a bar stool and safe use by inexperienced users People no longer possible.
  • the height of the foot ring on the shaft is adjustable, which means that optimal coordination can be made to the user.
  • a preferred embodiment provides that the resilient intermediate part a central pillar and a spring structure, the power flow of the Seat weight, the central column and the spring construction are connected in series.
  • the height of the central column can be adjusted be formed without affecting the suspension about the longitudinal axis becomes.
  • the central Column and the spring structure are arranged concentrically and between the central pillar and the spring structure a bearing guide is formed.
  • the spring construction advantageously has a dynamic and static spring mount between which a spring is clamped. Through this relative simple structure, it is possible to use a cheap standard part spring.
  • the central column is advantageously in the form of a spring column which is adjustable in length trained, e.g. a gas spring and has at least one vertical guideway which interacts with the warehouse management.
  • the bearing guide conveniently comprises a vertically spaced one two-part storage, preferably balls or rollers as bearing elements Find use.
  • the bearing elements are spring-loaded pressed against the guideway.
  • non-spring loaded Bearing elements are manufacturing inaccuracies in the pendulum and swinging movement very noticeable and have a great effect on active, dynamic sitting annoying.
  • the bearing elements are advantageously held in bearing element receptacles, the bearing element receptacles either via compression springs, or via an elastically deformable area, or via an elastic projection the bearing elements press on the guideway.
  • the compression springs or the elastic deformable area or the projections press the bearing elements radially Inside.
  • the guideway is advantageously designed as a tube, the first end of which the lower end of the spring column and its second end with the dynamic End of the spring holder is connected.
  • the guideway tube and the spring column which is preferably designed as a gas spring to arrange a plain bearing bush.
  • the spring column which is preferably designed as a gas spring to arrange a plain bearing bush.
  • the bearing guide is preferably arranged on a main leg base in which the spring mounts spring loaded and held radially displaceable are. Due to the spring-loaded bearing elements, dimensional inaccuracies balanced and there is thus an even, trouble-free and almost silent swinging around the longitudinal axis of the intermediate part.
  • the main leg body is preferably via a wedge connection on the shaft attachable to the foot section.
  • the distance between the dynamic and the static spring mount can be adjusted.
  • the pendulum stool can be opened by pretensioning the spring adjust the weight of the people, so that the seat does not sit down drops uncomfortably far or slightly.
  • This biasing mechanism is advantageous formed by a rotatable union nut on the main leg base, via which the spring is biased or relaxed by turning the union nut can be.
  • the reset device is conveniently a vibrating metal between the intermediate part and the foot section and can be adjusted via a handwheel in the restoring force can be set.
  • Fig. 1 shows a side view and a half section of a pendulum stool, consisting from a seat part 1, an intermediate part 3 and a foot part 2.
  • the intermediate part 3 has a central column 4 and a spring structure 5 and is on its lower end in the foot part 2 can be tilted and reset.
  • the central one Column 4 is designed as a height-adjustable spring column 10, usually as a gas spring.
  • the seat part 1 is firmly connected to the spring column 10 via a plug connection 22 and can by a bearing 23 at the lower end of the spring pillar 10 around rotate the longitudinal axis of this spring column.
  • the central column 4 further comprises a vertical guideway 11 which formed as a tube surrounding the spring column 10 and at the lower end with the Spring column 10 is rotatably connected via the bearing 23.
  • the central one is to achieve the desired active-dynamic sitting behavior Column 4 in the power flow, the spring construction 5 connected in series.
  • the spring structure 5 consists of a static spring mount 8, a spring 9 and a dynamic spring holder 7.
  • the dynamic spring holder 7 is firmly connected to the upper end of the guideway 11.
  • the Bearing guide 6 consists of two bearings in the illustrated embodiment 12, which is held in the upper holding part of a leg base body 15 are.
  • the main leg body 15 forms the lower end of the central column 4 and is attached to the construction of the foot part 2 via a wedge connection 16.
  • the main leg body 15 has an external thread in its lower region on which a union nut 17 is screwed, which at the same time as Pad for the spring 9 is used.
  • the spring 9 can be biased by the union nut 17 and thus the length by which the seat 1 sinks under load, be matched to the weight of the user.
  • the intermediate part 3 is connected to a reset device 21 via the wedge connection 16 attached to foot part 2.
  • the reset device 21 is designed as a vibrating metal and consists of a substantially tubular upper part 25, the upper End used for wedge connection 16 and a lower part 27 which is fixed to one Arm 31 of the foot part is attached.
  • a shaft 40 is attached to the lower part 27.
  • the shaft 40 is received on the underside within the lower part 27 and encompasses the upper part 25 in a cup shape between the upper side of the Shaft 40 and the upper part 25, an elastic material 26 is provided. This is arranged both between the end faces and between the side walls.
  • the upper part 25, the shaft 40 and the lower part 27 are via a screw 29 connected to each other, with one interacting with the screw 29 Adjusting nut 28 prestressed the restoring device 21 and thus the restoring force can be adjusted.
  • Adjusting nut 28 prestressed the restoring device 21 and thus the restoring force can be adjusted.
  • FIG. 1 is another elastic between the head of the screw 29 and the upper part 25 Element 30 arranged, which the behavior of the reset device 21st designed softer and more comfortable.
  • a cuff 52 On the cylindrical outside of the shaft 40 is a cuff 52 Foot ring 50 attached.
  • the cuff 52 has a threaded bore with an adjusting screw 53, via which the foot ring 50 is locked on the shaft 40. By Loosen the set screw 53, the foot ring 50 in the area of the shaft 40 in the Height can be set.
  • the foot part 2 is generally designed as an almost closed ring, on which centrally via the arm 31, the reset device 21 and thus the intermediate part and the seat part are supported.
  • the arm 31 deforms elastically, so that the pendulum stool via a friction-promoting contact device 33 on lower end of the reset device 21 is pressed onto the floor.
  • Rollers or balls 34 are arranged in the annular base part 2 of the pendulum stool, which deflect into foot part 2 when loaded. It could also be roll or balls according to DIN standard are used, which in the spring-loaded state are locked, allow the pendulum stool to be moved under light loads and deflect into the foot section 2 when fully loaded.
  • Fig. 3 shows the section of the intermediate part in which the bearing guide 6 is arranged is.
  • the bearing guide 6 consists of two in the illustrated embodiment Bearings 12, which are held in the leg base body 15 and with the guide track 11 cooperate.
  • the bearings 12 have four per level on the circumference of the guideway 11 on bearing element 13, these bearing elements 13 can be designed either as rollers or as balls. (Please refer see also Fig. 4a).
  • the bearing element 13 formed as rollers, the roller axes on both sides in bearing element receptacles 18 are included.
  • These bearing element receptacles 18 are in the main leg body 15 held radially displaceable to a certain extent and in the direction of Guideway 11 spring loaded. There are two versions for spring loading shown.
  • the bearing element receptacles are supported 18 via compression springs 19 on one of the main leg bodies 15 surrounding pipe 37 and thus press the bearing elements 13 in the direction of Guideway 11.
  • the tube 37 is from above over the upper tubular area of the main leg body 15 and interacts with the main leg body 15 to fix bearings 12 together.
  • the bearing element receptacles 18 each have an elastic projection 20, which due to its elastic deformation likewise the bearing element receptacles 18 and thus the bearing element 13 against the Guideway 11 presses.
  • FIG. 4a shows a section through the bearing 12 already described in FIG. 3
  • 4b shows an enlarged detail from FIG. 4a
  • this embodiment variant represents the spring loading of the bearing elements 13 via compression springs 19, which are supported on the tube 37.
  • Fig. 5 shows an oblique view of the shaft 40 with the foot ring 50 attached
  • Shank 40 is essentially cylindrical and has at its lower End a paragraph 41. With its lower end, the shaft 40 can fit snugly be inserted into the lower part 37, so that there is an overall smooth cylindrical Outside surface results.
  • the Cup 40 cup-shaped for receiving the elastic material 26 and the Upper part 25 is formed.
  • the shaft 40 has a channel 42 for receiving the screw 29, which serves to bias and adjust the reset device 21.
  • the shaft 40 is usually designed as an aluminum die-cast part, with between the outer wall and the channel 40 additionally stiffening ribs 43 are provided could be.
  • the foot ring 50 is fitted over the collar 52 on the outer circumference of the shaft 40, which can be locked on the shaft 40 via the adjusting screw 53.
  • the foot ring 50 is connected to the cuff 52 via struts 51 and points in usually have a diameter of approx. 500 mm.
  • the shaft 40 is made of solid material as an aluminum turned part.
  • the shaft also has the Channel 42 for the screw 29 and the paragraph 41.
  • the shaft can be in different Lengths be formed. The fact that he easily in the lower part 27 can be inserted is an adjustment over the length of the shaft the bar stool height to the needs of the user easily possible. Only that Screw 29 must be adjusted to the length of the shaft.
  • the invention is not limited to the exemplary embodiment shown, but rather includes all bar stools, which an active dynamic sitting in the sense of the claim Allow 1.

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  • Chairs Characterized By Structure (AREA)
  • Special Chairs (AREA)
  • Finger-Pressure Massage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Toilet Supplies (AREA)

Claims (9)

  1. Un dispositif de rappel pour un système de siège, en particulier pour un tabouret de bar, avec un élément intermédiaire (3) de forme essentiellement cylindrique de l'élément socle d'un système de siège,
    cet élément intermédiaire étant maintenu par le dispositif de rappel (21) en articulation avec un élément pied (2) de manière à pouvoir basculer et revenir en arrière,
    l'élément pied (2) présentant une tige statique (40), à l'extrémité supérieure de laquelle à proximité de l'élément siège le point d'articulation est situé entre l'élément pied et l'élément intermédiaire, limitant ainsi l'ampleur du mouvement pendulaire de l'élément siège,
    entre la tige statique (40) et l'extrémité supérieure (25) est prévu un matériau élastique (26),
    ce matériau élastique étant disposé tant entre les parois latérales que sur les surfaces frontales.
  2. Un dispositif de rappel selon la revendication 1,
    caractérisé en ce que, entre l'élément intermédiaire (3) et l'élément pied (2), est prévu le dispositif de rappel en forme de liaison caoutchouc-métal.
  3. Un dispositif de rappel selon l'une des revendications 1 à 2,
    caractérisé en ce que la force du dispositif de rappel (21) est réglable.
  4. Un dispositif de rappel selon l'une des revendications 1 à 3,
    caractérisé en ce que l'élément intermédiaire (3) est monté sur le dispositif de rappel (21) au moyen d'un raccord à clavette (16)
  5. Un dispositif de rappel selon la revendication 4,
    caractérisé en ce qu'une élément supérieur (25), en forme de tube essentiellement, du dispositif de rappel (21) fait fonction de raccord à clavette (16) par son extrémité supérieure, un élément inférieur (27) étant prévu pour se fixer dans un bras (31) de l'élément pied (2).
  6. Un dispositif de rappel selon la revendication 5,
    caractérisé en ce que la tige (40) est montée sur l'élément inférieur (27), l'extrémité inférieure de la tige (40) étant intégrée à l'intérieur de l'élément inférieur (27) et l'extrémité supérieure de la tige (40) formant coupelle sur l'élément supérieur (25).
  7. Un dispositif de rappel selon l'une des revendications 5 ou 6,
    caractérisé en ce que l'élément supérieur (25), la tige (40) et l'élément inférieur (27) sont solidarisés par une vis (29), l'écrou de réglage (28) en interaction avec cette vis (29) permettant la mise en précontrainte du dispositif de rappel (21).
  8. Un dispositif de rappel selon la revendication 7,
    caractérisé en ce que, entre la tête de la vis (29) et l'élément supérieur (25) se trouve un élément élastique (30) supplémentaire.
  9. Un dispositif de rappel selon l'une des revendications 1 à 8,
    caractérisé en ce qu'à l'extrémité terminale du dispositif de rappel (21) est prévu un dispositif à contact antidérapant (33) qui peut être mis en contact avec le sol.
EP00128276A 1997-06-02 1998-05-27 Dispositif de rappel pour une chaise, en particulier pour un tabouret de bar Expired - Lifetime EP1106111B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29709558U DE29709558U1 (de) 1997-06-02 1997-06-02 Barhocker
DE29709558U 1997-06-02
EP98109641A EP0882417B1 (fr) 1997-06-02 1998-05-27 Tabouret de bar

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP98109641A Division EP0882417B1 (fr) 1997-06-02 1998-05-27 Tabouret de bar

Publications (2)

Publication Number Publication Date
EP1106111A1 EP1106111A1 (fr) 2001-06-13
EP1106111B1 true EP1106111B1 (fr) 2004-11-24

Family

ID=8041033

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00128276A Expired - Lifetime EP1106111B1 (fr) 1997-06-02 1998-05-27 Dispositif de rappel pour une chaise, en particulier pour un tabouret de bar
EP98109641A Expired - Lifetime EP0882417B1 (fr) 1997-06-02 1998-05-27 Tabouret de bar

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98109641A Expired - Lifetime EP0882417B1 (fr) 1997-06-02 1998-05-27 Tabouret de bar

Country Status (5)

Country Link
US (1) US6003944A (fr)
EP (2) EP1106111B1 (fr)
JP (1) JP4237296B2 (fr)
DE (3) DE29709558U1 (fr)
NO (1) NO982453L (fr)

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WO2020233417A1 (fr) 2019-05-20 2020-11-26 恒林家居股份有限公司 Dispositif de chaise et sa base en forme d'étoile

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KR102275811B1 (ko) * 2020-10-23 2021-07-09 체어마이스터 주식회사 경동 의자
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Publication number Priority date Publication date Assignee Title
WO2020233417A1 (fr) 2019-05-20 2020-11-26 恒林家居股份有限公司 Dispositif de chaise et sa base en forme d'étoile

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US6003944A (en) 1999-12-21
NO982453D0 (no) 1998-05-28
NO982453L (no) 1998-12-03
EP0882417A2 (fr) 1998-12-09
EP0882417B1 (fr) 2003-07-30
EP0882417A3 (fr) 2000-04-19
EP1106111A1 (fr) 2001-06-13
DE29709558U1 (de) 1997-09-18
JP4237296B2 (ja) 2009-03-11
DE59812311D1 (de) 2004-12-30
DE59809130D1 (de) 2003-09-04
JPH11235A (ja) 1999-01-06

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