EP2244606A1 - Pied de chaise avec blocage du roulage - Google Patents

Pied de chaise avec blocage du roulage

Info

Publication number: EP2244606A1
Authority: EP; European Patent Office
Prior art keywords: chair; stopper; chair foot; foot according; seat
Prior art date: 2008-02-15
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

Application number

EP09710471A

Other languages

German (de)

English (en)

Other versions

EP2244606B1 (fr

Inventor

Martin Braun

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.)

Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

Original Assignee

Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

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.)

2008-02-15

Filing date

2009-02-13

Publication date

2010-11-03

2009-02-13 Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV

2010-11-03 Publication of EP2244606A1 publication Critical patent/EP2244606A1/fr

2011-09-07 Application granted granted Critical

2011-09-07 Publication of EP2244606B1 publication Critical patent/EP2244606B1/fr

Status Not-in-force legal-status Critical Current

2029-02-13 Anticipated expiration legal-status Critical

Links

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
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors

Definitions

the invention relates to a rollable chair foot, in particular for high chairs, which is secured against being rolled when climbing, but is freely rollable in the loaded state.
the chair foot according to the invention is used in roll-filled high chairs, preferably in the office area.
a high chair e.g., counter chair
a high chair is on
Swivel chair with raised seat as used in offices and in production.
a key feature of the high chair is the climbing aid (or frequentlyemployedStands composition).
every chair with a seat height> 650 mm has to be equipped with a climbing aid.
the feet of the user do not reach the ground level in normal sitting position.
High chairs are used, among other things, in sitting-standing workstations with a fixed worktop height. For reasons of accident prevention (ie rolling protection, stability) special requirements are made on high chairs in terms of the size of the base and the execution of BodenaufStands vom.
High chairs must have either chair glides (for use on carpeted floors) or loaded braked castors. A loaded braked roller brakes only in the loaded condition. As a result, rolling away of the high chair is prevented by slight impact before sitting down.
the chair foot according to the invention initially has a standing device with which it can be adjusted to a standing surface, for example the floor.
the Stand device where it is in contact with the stand surface, at least three rollers or sliders on. With wheels, therefore, the chair foot is rollable on the stand, with glides it is slidable.
Chair gliders are preferred for use on carpeted floors.
the chair foot according to the invention further has a seat holder on which a chair seat can be attached.
a seat holder may for example be a pillar which is arranged between the stand device and a seat.
a seat support can be used with the usual in office chairs devices such. a device forginanverstell- ability, suspension and / or damping, as well as various pivoting, tilting and rotating options be equipped.
the chair foot also has a braking device up, with which the chair is braked while climbing.
the braking effect should be independent of the loading condition of the chair seat, the seat holder or the stand device.
the braking device therefore has at least one stopper and at least one actuating device with which the stopper can be pressed against the base surface.
the stopper may be any element which is suitable, for example by frictional force in contact with the standing surface, to prevent displacement of the chair base in a direction parallel to the standing surface.
the actuating device can be connected to the stopper in a non-positive and / or cohesive connection, but it can also be connected indirectly to the stopper, for example via mechanical, hydraulic, or mechanical means.
the actuating device is movable relative to the seat holder and / or the standing device and / or a seat.
the actuating device is preferably a different and / or independent element from the standing device, the seat holder and / or the seat.
the relative mobility is preferably designed such that it is also movable in the case of a rigid stand device, seat holder or seat.
the stool foot at least one
Resetting element which is arranged so that it removes the stopper with unloaded actuator from the base and resets to an initial state. This restoring element ensures that the braking device is at
No load of the actuator is reset without additional effort in a non-braking starting position.
it can also be provided in addition to the return element Arret ists- opportunities that hold the stopper against the force of the return element in contact with the base, even if the actuator is not operated or relieved.
As a restoring element in particular springs, electrical see devices and / or hydraulic and / or pneumatic cylinders in question.
the chair foot according to the invention is preferably used in chairs which are constructed like conventional office chairs or high chairs.
the stand device is a base with at least three, preferably five, arms which are attached at their one end to a column perpendicular to the standing surface, and at their other ends each have a roller or a slider.
the angle between two adjacent arms as viewed from the column is preferably the same in each case, so that the greatest possible stability is ensured.
Said column serves as a seat holder, at the upper end of which the seat can be arranged.
the actuating device is advantageously arranged around the seat holder, so that it is equally easy to operate with rotatable seats in every position of the seat. It is preferably annular and / or flat. It is particularly advantageous if it is arranged at a height in which it can serve as a climbing aid. This is particularly useful in high chairs.
the actuating device designed in this way can be identical to the climbing aid or footrest surface required for highchairs. In this way, the braking device is automatically actuated when climbing the chair by the body weight of the user. Does the user have the
the brake device releases the chair, so that it is freely movable.
the deactivation of the locking function can be delayed for certain applications.
the stopper is preferably a flat, substantially plate-shaped locking punch, which is arranged centrally under the seat holder. It can also be a voluminous element that is flattened in order to create as large a knotakt Structure as possible. len. Its extension in the direction parallel to the standing surface is preferably smaller than the distance between the rollers or sliders relative to one another, so that the ram can be arranged between the rollers or sliders. That surface of the stopper, with which it is in contact with the standing surface in the actuated state, is preferably equipped with a material having a high coefficient of friction. When using gliders, the coefficient of friction of the stopper should be greater than that of the slider. Such materials can be eg hard rubber, PVC or various metal sheets (also corrugated).
the actuator and the stopper may be interconnected in a variety of ways.
Rods that run parallel to the seat holder.
indirect mechanisms such as hydraulic, pneumatic and / or electrical Kraftübertragungsmecha- mechanisms conceivable.
the said restoring element is particularly preferably a spring, which surrounds the standing device and connects between the connecting device, which connects the actuating device and stopper, and the standing device or a board of the seat mount. is ordered. When loading the actuator and thus movement of the brake device in the direction of the base, this spring is then compressed or stretched.
connection between the actuator and the stopper is a guide element, i. Socket, which is longitudinally displaceable relative to the standing device and / or the seat holder.
the transverse clearance between the chair column and the guide element is preferably small, so that the forces acting on the footrest surface or the actuating device are reliably transmitted to the stopper and the standing device.
tilting of the chair is prevented even in the case of an unfavorable introduction of force into the footrest surface or actuating device (that is, the amount of tilting is determined by the diameter of the base device or of the base of the foot).
a rotation of the guide element relative to the chair column is prevented.
Figure 1 is a conventional high chair
Figure 2 shows a chair foot according to the present invention.
FIG. 1 shows a conventional highchair.
This high chair has a seat 5, which is rotatably mounted on a pillar-shaped seat support 4.
the columnar seat support 4 stands on one Stand device having here five arms 7a, 7b, 7c, which run together under the column 4 at equal angles.
the arms 7a, 7b, 7c each have a roller 2a, 2b, 2c on which the chair is rollable.
High chair also has a climbing aid 3, which also serves as refStands simulation 3.
the climbing aid 3 is arranged in a ring around the pedestal 4 and connected by struts with this column in the center.
the climbing aid 3 is arranged at a height so that a user sitting on the seat 5 reaches the climbing aid 3 with his feet.
FIG. 2 now shows a chair foot according to the invention.
This chair base initially has a standing device 7, which has at least three arms 7a, 7b, 7c.
the arms 7a, 7b are fastened with their one end to a columnar seat holder 4 and have at their other end in each case a roller 2a, 2b, with which the standing device 7 stands on a standing surface 11.
the chair foot according to the invention also has an actuating device 3, which simultaneously serves as a climbing aid 3 and predominantlyaufStands Type 3.
This actuating device 3 is connected to the stopper 9 via guide elements 8 running parallel to the columnar seat holder 4.
the climbing aid 3, the guide elements 8 and the stopper 9 in the example shown together form the braking device.
the braking device is here movable in the direction parallel to the axis of the column 4, so that when the footrest surface 3 is loaded, the stopper 9 can be pressed against the standing surface 11.
the example shown play the contact surface 10 of the stopper 9 with the base 11 on a material with a particularly high coefficient of friction.
a seat column 4 encircling spring 6 is arranged, which is compressed when the brake device under load the climbing aid 3 in the direction of the base 11 is pressed. If the lifting aid 3 is relieved, the spring 6 presses the braking device in the direction away from the standing surface 11, so that the punch 9 is spaced from the standing surface 11.

Landscapes

Chairs Characterized By Structure (AREA)
Special Chairs (AREA)
Massaging Devices (AREA)
Finger-Pressure Massage (AREA)

EP09710471A 2008-02-15 2009-02-13 Pied de chaise avec blocage du roulage Not-in-force EP2244606B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102008009413A DE102008009413A1 (de)	2008-02-15	2008-02-15	Stuhlfuß mit Rollsperre
PCT/EP2009/001029 WO2009100926A1 (fr)	2008-02-15	2009-02-13	Pied de chaise avec blocage du roulage

Publications (2)

Publication Number	Publication Date
EP2244606A1 true EP2244606A1 (fr)	2010-11-03
EP2244606B1 EP2244606B1 (fr)	2011-09-07

Family

ID=40497630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09710471A Not-in-force EP2244606B1 (fr)	2008-02-15	2009-02-13	Pied de chaise avec blocage du roulage

Country Status (5)

Country	Link
EP (1)	EP2244606B1 (fr)
AT (1)	ATE523110T1 (fr)
DE (1)	DE102008009413A1 (fr)
DK (1)	DK2244606T3 (fr)
WO (1)	WO2009100926A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1037497C2 (nl) *	2009-11-25	2011-05-26	Gerardus Johannes Maria Pikker	Stoel.
WO2011137922A1 (fr)	2010-05-03	2011-11-10	Merck Patent Gmbh	Formulations et dispositifs électroniques
DE202013008612U1 (de)	2013-09-27	2013-10-16	Peter Peters	Fußstütze für einen Stuhl
GB2524961A (en) *	2014-04-07	2015-10-14	Alan Edmond Glaser	eLift400-movement lock with chair seat rotation
DE102015206766A1 (de)	2015-04-15	2016-10-20	Sedus Stoll Ag	Permanent gebremste Rollenvorrichtung für ein Sitz-, Liege- und/oder Transportmöbel, und ein Sitz-, Liege- und/oder Transportmöbel
EP3311703A1 (fr) *	2016-10-24	2018-04-25	Stabilus GmbH	Dispositif de réglage permettant d'actionner un frein et unité mobile, en particulier chaise
CN111616536A (zh) *	2020-05-07	2020-09-04	恒林家居股份有限公司	椅子及其摇摆椅脚
DE102021210905A1 (de)	2021-09-29	2023-03-30	Sedus Stoll Aktiengesellschaft	Stuhl, insbesondere Hochstuhl, mit zwei Zuständen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2590382A (en) *	1949-04-09	1952-03-25	Ludwig P Danielson	Stool
US2780277A (en) *	1952-06-27	1957-02-05	Ritter Co Inc	Vertically adjustable pedestal stool
DE3933815A1 (de) *	1989-10-10	1991-04-18	Manuel Dr Menzel	Arbeitsstuhl, insbesondere fuer zahnaerzte
DE9204271U1 (de) *	1992-03-30	1992-07-16	Jörg & Sohn GmbH, 8637 Ahorn	Vorrichtung zum Feststellen eines Arbeitssessels
DE19715147C2 (de) *	1997-04-11	2001-03-08	Erich Edlinger Kg	Arztstuhl
DE20121338U1 (de) *	2000-05-30	2002-10-02	Tepe, Rainald, 80634 München	Federweiche Stuhlfüsse/gewichtszentrierte Sitzmechanik
JP2002325652A (ja) *	2001-04-27	2002-11-12	Itoki Crebio Corp	椅子の足載せ装置

2008
- 2008-02-15 DE DE102008009413A patent/DE102008009413A1/de not_active Withdrawn
2009
- 2009-02-13 DK DK09710471.5T patent/DK2244606T3/da active
- 2009-02-13 WO PCT/EP2009/001029 patent/WO2009100926A1/fr not_active Ceased
- 2009-02-13 EP EP09710471A patent/EP2244606B1/fr not_active Not-in-force
- 2009-02-13 AT AT09710471T patent/ATE523110T1/de active

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009100926A1 *

Also Published As

Publication number	Publication date
DE102008009413A1 (de)	2009-08-20
WO2009100926A1 (fr)	2009-08-20
ATE523110T1 (de)	2011-09-15
DK2244606T3 (da)	2011-12-12
EP2244606B1 (fr)	2011-09-07

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Publication	Publication Date	Title
EP2244606B1 (fr)	2011-09-07	Pied de chaise avec blocage du roulage
DE69215966T2 (de)	1997-07-03	Kontrollmechanismus für Stühle
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