EP0958765A2 - Support de bras, notamment pour chaises de bureau et chaises tournantes - Google Patents

Support de bras, notamment pour chaises de bureau et chaises tournantes Download PDF

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Publication number
EP0958765A2
EP0958765A2 EP99109655A EP99109655A EP0958765A2 EP 0958765 A2 EP0958765 A2 EP 0958765A2 EP 99109655 A EP99109655 A EP 99109655A EP 99109655 A EP99109655 A EP 99109655A EP 0958765 A2 EP0958765 A2 EP 0958765A2
Authority
EP
European Patent Office
Prior art keywords
armrest
locking
latching
support plate
plate
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
Application number
EP99109655A
Other languages
German (de)
English (en)
Other versions
EP0958765A3 (fr
EP0958765B1 (fr
Inventor
Udo Feldotto
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.)
Froli Kunststoffwerk Heinrich Fromme OHG
Original Assignee
Froli Kunststoffwerk Heinrich Fromme OHG
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
Priority claimed from DE29809099U external-priority patent/DE29809099U1/de
Priority claimed from DE29901666U external-priority patent/DE29901666U1/de
Application filed by Froli Kunststoffwerk Heinrich Fromme OHG filed Critical Froli Kunststoffwerk Heinrich Fromme OHG
Publication of EP0958765A2 publication Critical patent/EP0958765A2/fr
Publication of EP0958765A3 publication Critical patent/EP0958765A3/fr
Application granted granted Critical
Publication of EP0958765B1 publication Critical patent/EP0958765B1/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests

Definitions

  • the invention relates to an armrest for chairs or armchairs, accordingly the preamble of the main claim.
  • Office or swivel chairs often point approximately at right angles to the backrest arranged armrests, with one assigned to the backrest rear pole and a front pole with an armrest support are attached to the seat frame. It is known to such armrests training height adjustable so that the user of the chair the Height of the armrests can be adjusted according to his wishes.
  • the position of the armrests in relation to the back of the chair not adjustable in the horizontal plane, which means that the Armrests is specified. Change of position - possibly due to changing positions of the arm with the working hand as a result of a constant Switch from keyboard to mouse in a computer workstation - does not allow this arrangement.
  • the technical problem of Invention is seen in developing such an armrest so that they avoid these disadvantages more easily and economically can be manufactured and used safely.
  • the armrest is on an upper end plate of the armrest support swiveled in the horizontal plane, which as form-fitting from a lower shell with lower plate and an upper shell with Upholstery is assembled hollow body.
  • Around To achieve pivotability is in the hollow body with the arm support connected, frame-fixed link provided, opposite the the armrest is pivotable.
  • the inside of the hollow body Armrest provided a fastening clip, the two ends interacting with the front and rear holding means, against the upper end plate of the armrest support are pulled, which is thus is rigid and opposite the hollow body of the armrest is pivoted.
  • a support plate provided with the lower shell or the upper shell is connected and moved.
  • a moving crossbar can be used as a means of fixing the pivoting be provided which cooperates with a nose fixed to the frame.
  • the fastening clip overlaps one on the inside the cross plate provided and becomes elastic deformed and preloaded. This creates a friction, the Counteracts forces unintentional swiveling.
  • the amount of friction can be adjusted by adjusting the height of the fastening clip the cross bar so that the desired pivoting is achieved with the intended force; this setting can be done with little effort between the top cover plate washers and fastening clip.
  • the cross bar is at least in the middle with one, preferably also off-center provided with further corresponding formations with which a detent is reached.
  • the rest stops are advantageous trained that even small forces are enough to disengage.
  • the Cross bar is advantageously provided on the inside of the lower shell, while the fastening clip has the nose. Unlatching takes place, for example, by lifting the fastening clip or lowering the cross bar. In addition to unlatching through elastic deformation of nose or cross bar, can also be one of externally operable rotary or a sliding wedge can be provided disengagement or disengagement of the clamp or unlatching allowed.
  • a triggerable locking slide is provided, which with its Actuation button protrudes from the armrest support, and by means of the operation button can be operated. The actuating slide is advantageous trained and arranged so that he can rest in peace Locked position is locked, and unlocked only when actuated and then releases the swivel lock.
  • the nose is advantageous here as in the head of the armrest wearer inserted, basically vertical Movable locking slide formed, the actuation button below the upper end plate of the armrest support is.
  • This locking slide can be advantageous in its guidance can also be tilted, it can be locked in the lower position, in which the armrest is released for pivoting.
  • the armrest is also advantageous in the direction of its longitudinal extension slidable.
  • the opening for the rear holding means as an elongated hole extending in the longitudinal direction of the armrest is formed.
  • the circular arc-shaped slot of the recess for the front Holding means is designed as an approximately rectangular opening, the Depth in the direction of the length of the armrest of size corresponds to the longitudinal displacement and its width at right angles to it limits the swivel angle of the armrest.
  • This elastic Reset element is advantageous in the area of the rear holding means intended. It is preferred as an elastic bearing with a elastic member, for example a return spring, formed.
  • one with the inside of the lower shell Fastening clip pressed against the lower plate of the lower shell Insert plate provided that can be moved relative to the fixed insert plate is.
  • This is so in the hollow body of the armrest arranged that this is shifted in the longitudinal direction relative to the support plate can be, the support plate at least in its edge areas is positively guided between the upper and lower shell.
  • This allows the armrest to be moved approximately at a right angle direction extending to the backrest.
  • the lower shell points to this Leadership means that with corresponding leadership means the insert plate cooperate, and which advantageously as tongue and groove interlocking grooves and strips are formed, wherein it does not matter which of the parts the groove and which the has spring-like strips.
  • the fixation means that fix the set position can for an adjustment to a new position can be unlocked.
  • This is beneficial manually operable means are provided, for example clamping means, their jaws by spring force or by elastic preload pressed against a friction surface, prevent unintentional shifting.
  • Another possibility is provided by means of rest, where one Latch engages in provided recesses, the Latch is advantageously provided on a button that acts as a lever is formed, the lever arm represents the actuating element, the is operated against spring force or against elastic bias.
  • the lever as one or two arms Lever both have corresponding lever arms on.
  • a shift in steps is possible with a click; as a clamping means trained fixation means enable stepless movement.
  • the armrest support is in the armrest stand telescopic and with both with the Armrest stand as well as interacting with the armrest support Provide locking devices - for example according to DE 295 02 429.
  • a release device for unlocking the height adjustment provided with a control linkage with a control curve, via which the slide from a rest position into a released position Position is movable, and wherein control button / control linkage with elastic return means are provided.
  • elastic Return means a tension or a compression spring is provided; this Spring is stored in a groove in the armrest support; she participates a control linkage provided on the armrest support.
  • a button at the top of the control linkage Actuation the control linkage is moved so that one on one Control cam sliding spool with in one in one in the Armrest support provided locking opening engaging locking lug withdrawn and the detent is canceled.
  • the armrest support By lifting the catch, the armrest support can be placed in the armrest stand moves and the height of the armrest by pushing or pulling out can be changed according to wishes (what height adjustments not excluded by known embodiments).
  • the two-shell design of the armrest of the armrest allows a simple assembly: the shells are with corresponding, Provide form-fitting collars, locking or screwing means ensure their cohesion.
  • the cavity created by this inside the armrest allows the swivel to be accommodated and / or parts that enable displacement.
  • the lower and upper shell are designed as plastic injection molded parts, it goes without saying that the other parts, such as insert plate, fastening clip, support plate and / or button or locking slide can also be designed as plastic parts can.
  • the armrest according to the invention consists of the armrest 1 with a the back pole facing the back of the chair or armchair 6.1 and a front pole facing away from the backrest 6.2 an arm support bracket 2 is attached, the free side in a Stand sleeve 4.1 of an armrest stand 4 is introduced and the in turn by means of a cantilever 4.2 (Fig. 10) to a base of a swivel chair, not shown or the like is applicable.
  • the upper end of this armrest support 2 forms the end plate 5 on which the armrest 1 is placed is.
  • the lower plate points to this 13 of the lower shell 10, an opening 14 in the area of the rear Poles 6.1 and one towards the front pole 6.2 at a distance of which there is a recess which - in order to enable pivoting - Forms at least one arcuate elongated slot 17. So that the lower shell 10 about the axis of the rear holding means 15.1 given as a pivot axis pivotable through an angle by the length of the recess shown as slot 17 and the Distance from the swivel axis.
  • the armrest 1 is from the lower shell 10, on the upper shell 20 is put together.
  • the upper shell 20 consists of a cushion pad 21 with edge area 22, which protrudes a hollow forms, in which a locking insert 25 is inserted. This spills over the overturned edge region 22 of the cushion cover 21 overturns Edge area 26 of the locking insert 25.
  • the lower shell has an overturned edge region 12 and thus forms a shape a cave. Both edge areas 12 and 26 allow interacting a form-fitting assembly of the armrest 1 with a cavity, they have locking means - for example, as shown in FIG. 9, locking tongue receptacles 23 of the cushion pad 21 and locking tongues 27 engaging therein of the latching insert 25 - which, in cooperation, firmly connect the two.
  • Locking or screwing means such as the connecting screws 29, can also the two shells 10 and Hold 20.
  • the lower shell 10 is on the upper end plate 5 of the Arm support bracket 2 (only the upper part with its two vertical struts 4 and the cross strut 3 connecting these two is shown) put on; the lower part, not shown, is known Way with a spigot in a corresponding receptacle on Base of the chair inserted and fixed.
  • the holding means 15.1 and 15.2 are in sleeves 7.1 and 7.2 screwed onto the top of the end plate 5; whose height is such that the fastening clip 18 on the insert plate 30 rests, which acts as a bushing for the rear holding means 15.1 a hole and a curved slot for the front holding means 15.2 33 has.
  • the former is in the area of the elongated hole Opening 14, the latter in the area of the rectangle Recess 17 in the lower plate 13 of the lower shell 10, whereby the armrest even when the insert plate 30 is inserted pivot axis given by the axis of the rear holding means 15.1 is pivotable.
  • One also runs parallel to this elongated hole 33 curved cross bar 32 on which the fastening clip 18 rubbing slides. The friction can be set so that for the pivoting force required corresponds to the requirements.
  • the cross bar 32 with rest stops (not specified) provided with a provided under the fastening clip 18 Corresponding rest point 19 cooperates.
  • this insert plate 30 has a spring-like trained edges 31, which in guide grooves 11 on the inner sides the overturned edge regions 12 are guided.
  • the opening 14 in the lower plate 13th the lower shell 10 formed as an elongated hole, which thereby the displacement
  • their length is in the longitudinal direction of the armrest 1 corresponds at least to the length of the displacement path. This gives the recess 14 approximately the shape of a rectangle that the carried out front holding means 15.2 for pivoting and allow the necessary room to move.
  • This insert plate 30 further has a number of spaced apart Arranged locking openings 34 into which a locking lug 38 one for Unlocking provided button 35 engages.
  • This button 35 is with its axis 39 to the lower plate 13 of the lower shell 10 of the Armrest 1 articulated that the to disengage the latch 38 from one of the locking openings 34 necessary path is reached.
  • the button 36 will trigger lever 37 with the latch 38 moves so that the locking lug 38 out of that of the locking openings 34 of the insert plate 30 emerges and thus releases its displacement.
  • This actuation of the button 35 is carried out against elastic deformation the axle or the axle mount, this elastic deformation causes the reset. it goes without saying, even one separate spring to be provided.
  • the rear holding means forms 15.1 also the swivel, which is a pivoting of the armrest 1 in a horizontal plane, through a hole in the rear pole 6.1 facing end of a support plate 40 is.
  • the front holding means 15.2 is through an elongated hole 43 in the Carried plate 40, the circular arc formed the pivot angle of the armrest 1 limited in the horizontal plane.
  • the lower plate 13 of the lower shell 10 has corresponding openings, through which these two holding means 15.1 and 15.2 are guided.
  • the Openings 14 and 17 form a hole for the rear one circular slot for the front fastener 15.1 or 15.2.
  • the pivoting has changed of the armrest 1 without rest stops: the wind-up winch to have to perform his movements.
  • Stops also stop points to fix the armrest 1 can be provided in preferred pivoting angle.
  • the support plate 40 shorter than the inner length of the armrest cavity has upturned edges 40.1 which end in the two longitudinally Edge areas of the cavity are guided with positive locking.
  • the armrest 1 is opposite the (plate-fixed) support plate 40 slidable in the direction of its longitudinal extent.
  • the circular arc-shaped elongated hole to enable the displacement movement is now an approximately rectangular recess forms.
  • the armrest 1 with the front pole 6.2 becomes light raised, the locking lug 41 emerges from the corresponding one of the locking openings 28 off, a displacement of the armrest 1 with respect to Batten 40 is possible.
  • Figures 10 show an embodiment of the height adjustment for the armrest: here are armrest stand 4 and armrest support 2 provided with means for fixing a set altitude, the are shown here as locking means.
  • the armrest stand 4 are Locking openings 4.3 provided and on the armrest with a button 9 actuatable control linkage 8, which has a control curve 8.1, the one with in a guide opening 2.2 in the armrest support 2 guided, transverse locking slide 8.2 interacts.
  • the control linkage 8 is by means of the button arranged under the armrest 1 9 operated: If this is pressed, the control linkage 8 drawn.
  • a return spring 8.3 mounted in a spring groove 2.3 - shown here as a helically coiled tension spring, which with one end on the control linkage 8 and the other end on the Inside of a spring groove 2.3 receiving the return spring 8.3 is fixed - always presses the control linkage 8 in the rest position and the locking slide 8.2 in the locking position, so that the armrest is fixed in height.
  • the trigger button 9 is on the underside of the armrest 1, so that an interrupting work Reaching out is no longer necessary.
  • a lock is provided, provided by one in a locking groove 2.6 guided locking pin 4.4 (Fig. 8, 9, 10).
  • a releasable locking slide 48 projects with an actuation button 48.1 from the armrest support 2, which has a slot-like recess 2.4, and against which the locking slide 48 by means of a Spring 49 is supported.
  • the actuation button 48.1 is on its upper End with an upper nose 48.2 provided with recesses 43.2 the locking bar 43.1 cooperatively engages and thus engages Locking the pivoting causes.
  • a spring 49 presses the locking slide 48 against the locking bar 43.1 of the support plate 40 and falls when pivoting into one of the recesses 43.2, which causes another Swiveling the armrest 1 is locked.
  • a 48.3 lead between Actuation button 48.1 and upper nose 48.2 is designed that it cooperates with an edge 2.5 of the recess 2.4 engages under and so the locking slide 48 in the "unlocked” position holds.
  • this projection 48.3 pushed back and thus the locking slide 48 free the spring 49 can now push up.
  • the upper nose 48.2 of the locking slide 48 then abuts against those arranged on the underside of the support plate 40 Snap bar 43.1 and falls when the armrest is pivoted 1 under the action of spring 49 in one of the provided recesses 43.2 so that the armrest 1 in the associated position is fixed.
  • the center position is a position that is preferred for fixation.
  • To the To unlock it is sufficient to press the actuation button 48.1 in the Indent area of the projection 48.3.
  • the curvature of the actuation button 48.1 ensures that this resets so that the Projection 48.3 engages under the edge 2.5 of the recess 2.4 again and holds the locking slide 48 firmly in the "unlocked" position.
EP99109655A 1998-05-22 1999-05-15 Support de bras, notamment pour chaises de bureau et chaises tournantes Expired - Lifetime EP0958765B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29809099U DE29809099U1 (de) 1998-05-22 1998-05-22 Armstütze, insbesondere für Büro- und Drehstühle
DE29809099U 1998-05-22
DE29901666U DE29901666U1 (de) 1999-02-03 1999-02-03 Armstütze, insbesondere für Büro- und Drehstühle
DE29901666U 1999-02-03

Publications (3)

Publication Number Publication Date
EP0958765A2 true EP0958765A2 (fr) 1999-11-24
EP0958765A3 EP0958765A3 (fr) 2001-01-10
EP0958765B1 EP0958765B1 (fr) 2003-07-30

Family

ID=26061540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109655A Expired - Lifetime EP0958765B1 (fr) 1998-05-22 1999-05-15 Support de bras, notamment pour chaises de bureau et chaises tournantes

Country Status (7)

Country Link
EP (1) EP0958765B1 (fr)
AT (1) ATE245922T1 (fr)
DE (1) DE59906411D1 (fr)
DK (1) DK0958765T3 (fr)
ES (1) ES2205633T3 (fr)
HK (1) HK1026127A1 (fr)
PT (1) PT958765E (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258209A3 (fr) * 2001-05-16 2003-09-17 Froli Kunststoffwerk Heinrich Fromme OHG Mécanisme de réglage pour un accoudoir d'une chaise
EP1216632A3 (fr) * 2000-12-18 2003-11-05 Kinnarps Ab Accoudoir réglable
EP1362532A2 (fr) * 2002-05-14 2003-11-19 Formway Furniture Limited Ensemble accoudoir à hauteur réglable
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
EP1568297A1 (fr) * 2004-02-27 2005-08-31 Steelcase Development Corporation Chaise à accoudoir fonctionnel
WO2005117650A1 (fr) * 2004-05-26 2005-12-15 Imarc S.P.A. Support de dossiers/ accoudoir pour des sieges, en particulier des sieges de bureau
US7066546B2 (en) 2003-12-30 2006-06-27 Hni Technologies Inc. Horizontally adjustable chair armrest
US7234779B2 (en) 2005-04-08 2007-06-26 Steelcase Development Corporation Armrest with height adjustment mechanism
US7533939B2 (en) 2005-03-01 2009-05-19 Haworth, Inc. Arm assembly for a chair
US8235468B2 (en) 2005-03-01 2012-08-07 Haworth, Inc. Arm assembly for a chair
EP3202615A1 (fr) * 2016-02-03 2017-08-09 Grammer Ag Dispositif d'accoudoir

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR054400A0 (en) 2000-09-29 2000-10-26 Formway Furniture Limited A castor
CA2714892C (fr) 2007-03-13 2016-02-02 Hni Technologies Inc. Dispositif d'ajustement de bras de chaise
US8016360B2 (en) 2007-08-01 2011-09-13 Hni Technologies Inc. Adjustable arm rest for chair
ES2333768B1 (es) * 2009-07-21 2010-10-13 Actiu Berbegal Y Formas, S.A. Silla de oficina.
CN106455820A (zh) 2014-04-17 2017-02-22 Hni技术公司 扶手

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576351A (en) * 1984-06-15 1986-03-18 Brink T A Portable stroke victims arm rest
US5484187A (en) * 1994-04-11 1996-01-16 Doerner Products Ltd. Chair armrest adjustment mechanism
US5641203A (en) * 1995-06-07 1997-06-24 Herman Miller Inc. Adjustable arm rest assembly
EP0809957A2 (fr) * 1996-05-30 1997-12-03 GRAHL GmbH Chaise, notamment chaise tournante, avec appuis-bras

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576351A (en) * 1984-06-15 1986-03-18 Brink T A Portable stroke victims arm rest
US5484187A (en) * 1994-04-11 1996-01-16 Doerner Products Ltd. Chair armrest adjustment mechanism
US5641203A (en) * 1995-06-07 1997-06-24 Herman Miller Inc. Adjustable arm rest assembly
EP0809957A2 (fr) * 1996-05-30 1997-12-03 GRAHL GmbH Chaise, notamment chaise tournante, avec appuis-bras

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7798573B2 (en) 2000-09-28 2010-09-21 Formway Furniture Limited Reclinable chair
US6817667B2 (en) 2000-09-28 2004-11-16 Formway Furniture Limited Reclinable chair
US6802566B2 (en) 2000-09-28 2004-10-12 Formway Furniture Limited Arm assembly for a chair
EP1216632A3 (fr) * 2000-12-18 2003-11-05 Kinnarps Ab Accoudoir réglable
EP1258209A3 (fr) * 2001-05-16 2003-09-17 Froli Kunststoffwerk Heinrich Fromme OHG Mécanisme de réglage pour un accoudoir d'une chaise
EP1362532A2 (fr) * 2002-05-14 2003-11-19 Formway Furniture Limited Ensemble accoudoir à hauteur réglable
EP1362532A3 (fr) * 2002-05-14 2004-01-02 Formway Furniture Limited Ensemble accoudoir à hauteur réglable
US7066546B2 (en) 2003-12-30 2006-06-27 Hni Technologies Inc. Horizontally adjustable chair armrest
EP1568297A1 (fr) * 2004-02-27 2005-08-31 Steelcase Development Corporation Chaise à accoudoir fonctionnel
WO2005117650A1 (fr) * 2004-05-26 2005-12-15 Imarc S.P.A. Support de dossiers/ accoudoir pour des sieges, en particulier des sieges de bureau
US7819482B2 (en) 2004-05-26 2010-10-26 Imarc S.P.A. Armrest/backrest support bracket for chairs, in particular office chairs
US7533939B2 (en) 2005-03-01 2009-05-19 Haworth, Inc. Arm assembly for a chair
US7815259B2 (en) 2005-03-01 2010-10-19 Haworth, Inc. Arm assembly for a chair
US8235468B2 (en) 2005-03-01 2012-08-07 Haworth, Inc. Arm assembly for a chair
US7341313B2 (en) 2005-04-08 2008-03-11 Steelcase Development Corporation Adjustable armrest with motion control
US7234779B2 (en) 2005-04-08 2007-06-26 Steelcase Development Corporation Armrest with height adjustment mechanism
US10005377B2 (en) 2016-02-03 2018-06-26 Grammer Ag Armrest device
EP3202615A1 (fr) * 2016-02-03 2017-08-09 Grammer Ag Dispositif d'accoudoir

Also Published As

Publication number Publication date
ATE245922T1 (de) 2003-08-15
EP0958765A3 (fr) 2001-01-10
DK0958765T3 (da) 2003-11-17
EP0958765B1 (fr) 2003-07-30
PT958765E (pt) 2003-12-31
DE59906411D1 (de) 2003-09-04
ES2205633T3 (es) 2004-05-01
HK1026127A1 (en) 2000-12-08

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