EP1284115B1 - Accoudoir pour chaises, notamment chaises de bureau - Google Patents

Accoudoir pour chaises, notamment chaises de bureau Download PDF

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Publication number
EP1284115B1
EP1284115B1 EP02017510A EP02017510A EP1284115B1 EP 1284115 B1 EP1284115 B1 EP 1284115B1 EP 02017510 A EP02017510 A EP 02017510A EP 02017510 A EP02017510 A EP 02017510A EP 1284115 B1 EP1284115 B1 EP 1284115B1
Authority
EP
European Patent Office
Prior art keywords
armrest
shell
insert
insert component
locking
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
EP02017510A
Other languages
German (de)
English (en)
Other versions
EP1284115A3 (fr
EP1284115A2 (fr
Inventor
Heinrich Fromme
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 DE20112915U external-priority patent/DE20112915U1/de
Priority claimed from DE20207375U external-priority patent/DE20207375U1/de
Application filed by Froli Kunststoffwerk Heinrich Fromme OHG filed Critical Froli Kunststoffwerk Heinrich Fromme OHG
Publication of EP1284115A2 publication Critical patent/EP1284115A2/fr
Publication of EP1284115A3 publication Critical patent/EP1284115A3/fr
Application granted granted Critical
Publication of EP1284115B1 publication Critical patent/EP1284115B1/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
    • A47C1/0307—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in horizontal direction

Definitions

  • the invention relates to an armrest which is fastened in particular height-adjustable on a armrest support stand, and the two-shell formed a Armlerissa- and a -oberschale and an insert in a cavity between the two, wherein the upper shell in particular has a padded support for the arm, wherein in the shell of the armrest formed by Armlehnenober- and armrest lower shell Insert body is arranged, which is narrower compared to the width of the cavity, which is fixedly connected via means for fastening to the armrest stand, and which is fixedly connected via means for fastening to the armrest stand, wherein insert body and the means for fastening are designed such that the insert body in the shell remains sufficiently loose for its mobility.
  • Armrests for armchairs and chairs are known.
  • swivel chairs in offices are often equipped with such armrests, which are attached by means of an armrest stand to the seat support of the chair and protrude substantially horizontally from the backrest.
  • an armrest is provided, the top usually has a padding to a Forearm to give a more comfortable pad.
  • the armrest carrier may be formed so that the armrest is height adjustable; such armrests are made DE 299 01 666 or DE 298 09 099 known, the latter being pivotable in a substantially horizontal plane.
  • the US-A-5,641,203 discloses a further embodiment in which the assembled from an armrest upper shell and a -unterschale armrest in the shell has an insert which connected to the armrest support allows a longitudinal displacement and pivoting of the armrest.
  • the armrest is after US-A-5,876,097 built double-shelled and provided with an insert whose training allows pivoting.
  • Other armrests of this kind reveal the US-A-6,017,091 and the US-A-5415459 ,
  • this armrest forms a clamshell hollow body, which is positively assembled from an upper shell and a lower shell placed on the armrest stand and fixed to this with fastening means.
  • a rear attachment means acts as an axis of rotation and a front attachment means is guided in a curved slot which allow the pivoting, which is limited by the slot length.
  • a desired pivot position means for fixing the pivot position are provided.
  • a guided over a cross bar, elastically biased mounting bracket is provided, both of which are provided with corresponding locking means which allow fixation by snapping, the latching means of an adjusting device can be canceled.
  • this armrest design does not allow for horizontal level adjustment for adjusting the armrest position to the user's body constitution, which is moreover easily changeable with changing users.
  • the adjustment described there are limited because the locking means allow only limited adjustments.
  • the armrest with at least two fastening means, such as rivets, screws or the like., Which engage the insert body, screwed to the armrest carrier.
  • the lower shell corresponding to the position of the fastening means and cooperating with these mounting sleeve of the armrest stand two slots, which are aligned transversely to the longitudinal extent of the armrest and which are straight.
  • the insert body in the double-shell armrest is narrower than the transverse dimension of the insert body receiving cavity.
  • the armrest is displaced relative to this insert body, which is ensured by the slots.
  • the fastening means are formed so that when tightening this fastening means this enabling displacement-enabling lots remains, so that a lateral displacement is made possible.
  • the two-shell armrest thus fastened is thus laterally displaceable relative to the insert body - and thus also relative to the armrest stand.
  • a parallel displacement strips are provided in the bottom of the insert body receiving cavity of the lower shell, which engage in provided in the insert body lower part grooves.
  • the path of the armrest is limited inwardly or outwardly by the application of the insert body to one or the other of the lateral inner walls of the cavity in the armrest.
  • a latching device is provided which engages beyond the lateral limit stops for at least one middle position (advantageously, further latching positions are provided).
  • This latching device is advantageously formed by a latching body which engages in corresponding grooves.
  • This locking body - such as a ball or a cylinder - is resiliently mounted so that it can be dug out of a detent position with relatively little force, but incident in the next detent position by itself.
  • suspension are in principle all spring elements; a preferred spring storage is advantageously carried out via an elastomeric insert body with soft-elastic properties.
  • the insert body provided in the interior of the double-shell armrest is designed in two parts - it has an insert body lower part and an insert body upper part.
  • the top insert is attached to the armrest stand with two screws.
  • the cooperating with the upper body insert body bottom is connected to this by a hinge.
  • the upper insert body is pivotable relative to the frame-fixed lower insert body.
  • the insert body lower part is advantageously formed approximately X-shaped. His arms are doing so from that their expiring in straight legs ends can create one side of the inner walls of the insert body receiving cavity to limit the transverse displacement.
  • the two parts of the insert body are connected via the hinge. Since the upper insert part is arranged fixed to the frame by the screw connection to the armrest stand, the lower insert part is thus pivotable relative to the latter about the axis of the rotary joint. However, the insert body lower part is coupled via the engaging in its grooves strips on the inside of the lower shell with this - and thus with the entire double-shell armrest. A pivoting of the insert body lower part relative to the upper insert body thus has a total pivoting of the armrest result. Locking means between Armlehnenober- and armrest lower shell ensure that a once taken position is not left unintentionally, and that a desired position can be found again.
  • the insert arranged in the armrest is fixed to the armrest carrier by means of a connecting piece which is guided by a window provided in the lower shell. After fixing the connector in the armrest carrier remains a lateral mobility of the insert enabling lots exist.
  • the relative to the width of the cavity narrower insertion piece has on the armrest upper shell or the armrest base side facing at least two substantially rectangular protruding locking lugs, which provided with on the inside of the lower or upper shell latching recesses interact as locking means. These locking recesses are arranged on the one, the locking lugs associated inner side in a plurality of spaced-apart distributed.
  • a latching means are provided on one of the sides of the insert and on the side of this associated side of the housing at least two substantially perpendicularly projecting locking lugs and cooperating with these detent recesses. It is initially irrelevant which of the inner sides of the locking recesses and which has the locking lugs. While the locking lugs are spaced apart on the one surface, the locking recesses are arranged distributed on the other surface associated with this surface areally. There is a large number of locking recesses on this page. In these latching means thus formed, the detents sit in one of the fitting recessed detent, whose arrangement is such that the distance between the detents and the distances of the detent recesses are compatible with each other. With this compatibility it is achieved that latching recesses are suitable for the locking lugs.
  • the latching lugs are arranged on the insert piece so that they face the lower part.
  • the locking lugs are directed from this side substantially at right angles to the lower part.
  • the lower part is provided with the locking recesses. These are extended over almost the entire inside of the lower part. Therefore, the insert can be moved in the depth direction and in the width direction, as well as pivoted in the armrest planes. This arrangement of the locking means thus allows all desired movements of the armrest.
  • the lower part of the armrest housing in the region of the connection of the armrest carrier with the insert is open.
  • This open window in a predetermined size of the range of motion is a danger because there is a squeezing opportunity for fingers.
  • a finger guard is advantageously provided, which is arranged so that the window is covered in the lower part by the finger guard.
  • Both link plates have link slots, which are at an angle to each other.
  • the first link plate have a guide slot aligned at right angles to the longitudinal extent of the armrest and cooperate with the second link plate, which is provided with a slot slot at an angle to the longitudinal extent of the armrest.
  • the width of the link slots is matched to the dimension of the neck.
  • the angle at which the link slot of the second link plate extends against the longitudinal extent of the armrest is advantageously in the range of 45 °.
  • the link plates are freely movable on the lower part in the direction of the longitudinal extension of the armrest. In this case, the lower part facing cam plate runs on this lower part, while the second cam plate runs on the first cam plate.
  • the appropriate surface treatment ensures a low-friction run. Also guides can be provided accordingly.
  • the armrest upper shell and the lower shell are advantageously designed as injection molded or molded plastic parts.
  • the padding of the armrest upper shell is advantageously foamed.
  • the two insert body parts are also plastic parts that are advantageously designed as injection molded parts, can be produced economically.
  • the armrest 10 is placed on an armrest support 1, whose lower part is tubular, has a cavity 2, in which a (not shown) armrest stand can optionally be introduced with a mechanism for height adjustment, and in turn on the underframe of the chair / armchair is attached.
  • the armrest 10 of the first kind itself is double-shelled with a Armlehnenunter- and a -oberschale 11, 16, the latter usually with padded armrest 3.
  • This armrest upper shell 16 and Armlehenunterschale 11 are formed so that when joining them together forms a cavity, the can still be divided with transverse walls 11.2, and in which an insert body 20 is inserted.
  • screws 17 are provided with which the insert body 20 arranged with a at the upper end of the armrest support 1, with corresponding threaded holes. Threaded sleeves or the like. provided retaining plate (not shown) is firmly connected. These screws 17 are guided by 12 provided in the armrest lower shell 11 slots that allow lateral displacement of the armrest 10.
  • the armrest upper shell 16 engages with its edge regions 16.1, the edge regions 11.1 of the armrest lower shell 11, so that both are positively and / or non-positively connected to each other.
  • the armrest 10 is also firmly connected to the armrest carrier 1.
  • transverse strips 14 To move the inside of the armrest lower shell 11 is provided with transverse strips 14.
  • the insert body 20 on the inside of the armrest lower shell 11 associated side transverse grooves 26 which allow cooperating with these transverse strips 14, the lateral displacement of the armrest 10 relative to the insert body 20 and thus with respect to the armrest support 1. With this lateral displacement, the width between the two armrests of a chair or a chair is tailored to the needs.
  • at least one of the transverse strips 14 is provided with spaced-apart recesses 14.1, engage in the arranged on the inside of the corresponding groove projections and thus mark the reached position.
  • the insert body 20 is in turn composed of an upper insert part 21 and an lower insert part 23.
  • the upper insert part 21 has an elongated base body which extends in the direction of the longitudinal extension of the armrest 10, and which is provided with a central opening 21.2 for receiving the cylindrical projection 27 of the insert body lower part 23.
  • the outer edge regions are provided with locking grooves 22.
  • These locking grooves 22 correspond to the two locking strips 23. 1, which are arranged on both sides of the cylindrical projection 27 radially extending on the inner side of the insert body lower part 23 facing the upper insert part 21, and whose length corresponds at least to the lateral displacement path of the armrest 10.
  • This locking strips 23.1 cooperate with the locking grooves 22 so that a rotation of the arm 10 is made possible in predetermined by the distance of the locking grooves 22 steps.
  • the insert body lower part 23 is formed approximately "X" -shaped.
  • longitudinally directed arms 25 are attached to its middle part, which are bounded on their outer sides parallel to the longitudinal axis of the insert body lower part 23.
  • the middle part is provided with a cylindrical projection 27 which is inserted into the central opening 21.2 of the insert body upper part 21, the rotatability of which against the insert body lower part 23 is ensured.
  • a recess 28 is provided, in which a locking body 29 is inserted and spring-mounted by means of a spring body 29.1.
  • This locking body 29 acts with provided in the strips 14 of the armrest lower shell 11 Recesses 14.1 together as locking recesses.
  • the spring body ensures 29.1 that the locking body 29 with sufficient force in the locking recesses 14.1 occurs, but that the locking body 29 can be lifted for lateral displacement of the arm 10 with relatively little effort from the corresponding locking recess 14.1.
  • the second type of armrest 30 is usually provided with padded armrests 3 of the armrest upper shell 36, which is provided with lateral attacks 36.1. These attacks 36.1 cooperate with the armrest lower shell and take these - shown here as a plate-shaped armrest base 31 - on, as shown in Fig. 4 and 6 can be seen.
  • the armrest base 31 is connected by means of the screws 37 with the armrest upper shell 36. The distance can be maintained by sleeves in the upper armrest shell 36 or on the armrest base 31 or by trained as appropriate screws screws 37.
  • the armrest lower part 31 has - as in Fig.
  • detents 43 cooperate with the detent recesses 34 on the inside of the armrest base 31; the engagement of the detents 43 in these detent recesses 34 determine the position of the armrest 30, wherein the longitudinal groove 35 allows a quick recovery of the basic position.
  • the rhombic formation of the body 41 of the insert 40 of the second type makes it possible to move the armrest 30 of the second type both in the direction of its longitudinal extent and transversely thereto, as well as to rotate it in the horizontal plane.
  • the window 33 In order to achieve a sufficiently large range for the adjustability of this armrest 30 of the second kind, the window 33 must have a sufficient size, so that the risk of squeezing of fingers can not be excluded. Therefore, a finger guard is disposed between the insert 40 and the lower part 31, which prevents these dangers of crushing fingers.
  • a first, the window 33 covering gate plate 45 is provided on the inside of the lower part 31, which is guided lying on both sides of the window 33 guide strips 33.1 of these so that they can be freely moved back and forth in the direction of the longitudinal extent of the armrest 30 of the second kind.
  • This first link plate 45 has a slotted slot 45.1, through which the connecting piece 49 is guided.
  • this link plate 45 is held by the frame-fixed connector 49 and displaced relative to the armrest base 31 accordingly (see Fig. 3 - in Fig. 5, this first link plate 45 through the window 33 visible) ,
  • a second cam plate 48 is provided thereon, which is guided by laterally arranged, elevated side edges 46 of the first cam plate 45 and also in the direction of the longitudinal extent of this armrest 30 of the second type is movable.
  • the longitudinal movement of the second link plate is limited by end strips 47, with which the first link plate 45 is provided.
  • This second link plate 48 has a slotted slot 48.1, which is employed at an angle of about 45 ° relative to the direction of the longitudinal extent of the armrest 30, and through which the connecting piece 49 is also guided.
  • this second link plate 48 Upon movement of the armrest 30 of the second type, this second link plate 48 is also held by this connector 49, wherein a transverse movement over the slope of the cam slot 48.1 forces a longitudinal movement of the second cam plate 48.
  • the passage formed by the intersection of both cam slots 45.1 and 48.1 movement of the insert 49 follows, wherein the free, the passage permitting area is substantially reduced in size compared to the size of the window 33 and - in accordance with selected width of the guide slots 45.1 and 48.1 - essentially corresponds to the diameter of the connecting piece 49 - the window 33 is thereby covered. Crushing hazards are prevented.
  • provide terminal spacer bars 47 on the first cam plate 45 that a necessary for this free mobility of the second cam plate 48 distance between the first cam plate 45 and the bottom of the insert 40 of the second type is met.
  • the interaction shows the exploded view of the armrest 30 of the second kind with armrest upper shell 36 and armrest lower part 31 of the armrest 30 of the second kind, which is screwed by means of the guided through the screw holes 32 and fixed in the armrest upper part 36 screws 37 to the armrest upper shell 36.
  • the armrest upper shell 36 and the armrest lower part 31 which is provided with the nozzle-shaped connecting piece 49 insert 40 of the second type is arranged.
  • the window 33rd limits the range of motion.
  • the insert 40 is provided on both sides with locking lugs 43, to which the two ends of the rhombic insert 40 receptacles 42 have, in which the locking lugs 43 are inserted with their pin approaches 43.1.
  • These detents 43 cooperate with the detent recesses 34, which are distributed over almost the entire surface of the inside of the armrest lower part 31.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Special Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Hydrogenated Pyridines (AREA)

Claims (7)

  1. Accoudoir, qui est fixé, en particulier de manière réglable en hauteur, sur un montant d'accoudoir (1) et qui, formé par deux coques, comporte une coque inférieure d'accoudoir (11) et une coque supérieure d'accoudoir (16), ainsi qu'un corps intérieur (20) inséré dans une cavité (2) entre les deux coques,
    - la coque supérieure d'accoudoir (16) possédant en particulier un repose-bras (3) rembourré,
    - le corps intérieur (20), monté dans la cavité (2) formée par la coque supérieure d'accoudoir (16) et la coque inférieure d'accoudoir (11), étant formé par deux éléments partiels formant un élément de corps supérieur (21) et un élément de corps inférieur (23),
    - un élément partiel étant assemblé de manière fixe au montant d'accoudoir (1), par l'intermédiaire d'au moins deux vis de fixation (17) qui sont guidées à travers des trous oblongs (12) droits, réalisés dans la coque inférieure d'accoudoir (11) et sont orientés transversalement à la dimension longitudinale de l'accoudoir,
    - la coque inférieure d'accoudoir (11) pouvant, par rapport à l'élément partiel fixé contre le montant d'accoudoir (1), coulisser latéralement et pivoter par rapport à l'axe longitudinal de l'accoudoir une fois que les vis de fixation (17) sont serrées,
    caractérisé en ce que les deux éléments partiels, sous la forme de l'élément de corps supérieur (21) et de l'élément de corps inférieur (23), formant le corps intérieur (20) sont assemblés l'un à l'autre par une articulation rotative séparée, avec un axe de rotation (21.2, 27) vertical, laquelle est agencée entre les vis de fixation (17) et permet le pivotement de la coque inférieure d'accoudoir (11) et de la coque supérieure d'accoudoir (16) assemblée à cette dernière.
  2. Accoudoir selon la revendication 1, caractérisé en ce que l'élément de corps inférieur (23), sur le côté orienté vers la coque inférieure d'accoudoir (11), comporte au moins une rainure transversale (26), de préférence trois rainures transversales (26), sachant qu'au moins l'une des baguettes transversales (14), agencées sur la face intérieure de la coque inférieure d'accoudoir (11), s'engage dans la/les rainure(s) transversale(s) (26) correspondantes.
  3. Accoudoir selon la revendication 2, caractérisé par un dispositif de blocage, qui définit la possibilité de coulissement latéral de la coque inférieure d'accoudoir (11) et de la coque supérieure d'accoudoir (16) assemblée à celle-ci et bloque le réglage et qui est formée de préférence par un corps de blocage (29), qui est agencé dans la zone de la face inférieure du corps intérieur (20) et qui est logé de manière élastique dans un évidement (28), en forme de rainure orientée transversalement au sens longitudinal de l'accoudoir, et qui coopère avec au moins un évidement (14.1) formant un creux de blocage sur la face intérieure de la coque inférieure d'accoudoir (11).
  4. Accoudoir selon la revendication 3, caractérisé en ce que, pour former le corps de blocage (29), il est prévu un corps cylindrique, qui est logé de manière élastique, de préférence au moyen d'un corps élastique (29.1) en élastomère, dans l'évidement (28) en forme de rainure.
  5. Accoudoir selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de corps inférieur (23), sensiblement en forme de X, est muni d'une partie centrale et de bras (25) en porte-à-faux, partant de celle-ci et orientés dans le sens longitudinal, le contour extérieur des bras (25) correspondant au côté longitudinal du contour intérieur de la cavité dans la coque inférieure d'accoudoir (11).
  6. Accoudoir selon l'une quelconque des revendications 3 à 5, caractérisé en ce que l'élément de corps inférieur (23) comporte une saillie (27) cylindrique qui, pour former l'articulation rotative, est introduite dans un orifice (21.2) correspondant dans l'élément de corps supérieur (21), l'évidement (28) en forme de rainure recevant le corps de blocage (29) étant prévu au milieu dans l'élément de corps inférieur (23) en dessous de la saillie (27) cylindrique.
  7. Accoudoir selon l'une quelconque des revendications 1 à 6, caractérisé en ce que, pour bloquer le réglage obtenu par pivotement de la coque supérieure d'accoudoir (16) et de la coque inférieure d'accoudoir (11), il est prévu des arrêts de rotation, qui sont formés par des rainures d'arrêt (22), orientées dans le sens radial et prévues sur l'élément de corps supérieur (21) et par des baguettes d'arrêt (23.1) radiales, coopérant avec lesdites rainures d'arrêt et prévues sur la face de l'élément de corps inférieur (23), orientée vers l'élément de corps supérieur (21).
EP02017510A 2001-08-09 2002-08-06 Accoudoir pour chaises, notamment chaises de bureau Expired - Lifetime EP1284115B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20112915U 2001-08-09
DE20112915U DE20112915U1 (de) 2001-08-09 2001-08-09 Armlehne insbesondere für Drehstühle
DE20207375U 2002-05-10
DE20207375U DE20207375U1 (de) 2002-05-10 2002-05-10 Armstütze mit Verstellbarkeit in Tiefe, Weite und Winkel

Publications (3)

Publication Number Publication Date
EP1284115A2 EP1284115A2 (fr) 2003-02-19
EP1284115A3 EP1284115A3 (fr) 2003-11-19
EP1284115B1 true EP1284115B1 (fr) 2007-09-26

Family

ID=26057133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017510A Expired - Lifetime EP1284115B1 (fr) 2001-08-09 2002-08-06 Accoudoir pour chaises, notamment chaises de bureau

Country Status (4)

Country Link
EP (1) EP1284115B1 (fr)
AT (1) ATE373977T1 (fr)
DE (1) DE50210958D1 (fr)
ES (1) ES2291400T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8967724B2 (en) 2012-09-20 2015-03-03 Steelcase Inc. Chair arm assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7234779B2 (en) 2005-04-08 2007-06-26 Steelcase Development Corporation Armrest with height adjustment mechanism
DE202007000037U1 (de) 2007-10-01 2008-11-13 Froli Kunststoffwerk Heinrich Fromme Ohg Armstütze insbesondere für Bürostühle
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5415459A (en) * 1993-06-08 1995-05-16 Hon Industries, Inc. Adjustable width arm rest
US5641203A (en) * 1995-06-07 1997-06-24 Herman Miller Inc. Adjustable arm rest assembly
DE29809099U1 (de) * 1998-05-22 1999-07-08 Froli Kunststoffe Heinrich Fro Armstütze, insbesondere für Büro- und Drehstühle
DE29901666U1 (de) * 1999-02-03 2000-03-16 Froli Kunststoffe Heinrich Fro Armstütze, insbesondere für Büro- und Drehstühle
US5876097A (en) * 1998-07-20 1999-03-02 Cao; Zi-Wen Adjustable armrest device
US6017091A (en) * 1999-03-04 2000-01-25 Cao; Zi-Wen Adjustable armrest assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8967724B2 (en) 2012-09-20 2015-03-03 Steelcase Inc. Chair arm assembly
US9028001B2 (en) 2012-09-20 2015-05-12 Steelcase Inc. Chair arm assembly
US9427085B2 (en) 2012-09-20 2016-08-30 Steelcase Inc. Chair arm assembly

Also Published As

Publication number Publication date
EP1284115A3 (fr) 2003-11-19
EP1284115A2 (fr) 2003-02-19
DE50210958D1 (de) 2007-11-08
ES2291400T3 (es) 2008-03-01
ATE373977T1 (de) 2007-10-15

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