EP3403535A1 - Accoudoir, en particulier pour une chaise de bureau - Google Patents

Accoudoir, en particulier pour une chaise de bureau Download PDF

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Publication number
EP3403535A1
EP3403535A1 EP18000451.7A EP18000451A EP3403535A1 EP 3403535 A1 EP3403535 A1 EP 3403535A1 EP 18000451 A EP18000451 A EP 18000451A EP 3403535 A1 EP3403535 A1 EP 3403535A1
Authority
EP
European Patent Office
Prior art keywords
armrest
rotation
column
armauflagenträger
support
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
EP18000451.7A
Other languages
German (de)
English (en)
Other versions
EP3403535B1 (fr
Inventor
Hermann Bock
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.)
Bock 1 GmbH and Co KG
Original Assignee
Bock 1 GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bock 1 GmbH and Co KG filed Critical Bock 1 GmbH and Co KG
Publication of EP3403535A1 publication Critical patent/EP3403535A1/fr
Application granted granted Critical
Publication of EP3403535B1 publication Critical patent/EP3403535B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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
    • 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
    • A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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
    • 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
    • A47C1/0308—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable by rotation
    • 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
    • A47C7/54—Supports for the arms
    • 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
    • A47C7/54—Supports for the arms
    • A47C7/541—Supports for the arms of adjustable type
    • 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
    • A47C9/02—Office stools not provided for in main groups A47C1/00, A47C3/00 or A47C7/00; Workshop stools

Definitions

  • the invention relates to an armrest, in particular for an office chair.
  • Adjustable armrests are known from the prior art. As a rule, they have a rotary, longitudinal and / or transverse adjustment mechanism. Armrests with a particularly large number of individual adjustment options, however, are usually of a complicated construction and have a great many interacting construction elements.
  • An object of the present invention is to improve the handling of an armrest.
  • the armrest should be individually and very variable adjustable.
  • the armrest according to the invention comprises a preferably height-adjustable armrest column, an arm support carrier mounted on the armrest column and rotatable about a first axis of rotation, and rotatable about a second axis of rotation and linearly displaceable relative to the arm support carrier, the two axes of rotation being spaced apart are.
  • a first core idea of the invention is thus to combine two rotational movements about spaced apart rotary axes with a linear displacement. As a result, can be provided with particularly simple means an individual and particularly variable adjustable armrest.
  • embodiments of the invention have been found in which the two axes of rotation are not arranged coaxially to each other and / or in which the two axes of rotation are parallel to each other, that is not to each other or against each other are pivoted, and / or in which the two axes of rotation are arranged vertically, in particular so that the rotations of Armauflagenisme and Armauflage done in horizontally lying planes, and / or in which the two axes of rotation horizontally spaced apart, so not only vertically but also horizontally offset from one another.
  • the first axis of rotation connects a first, in particular rear, region of the armrest carrier to the armrest column and the second axis of rotation connects the armrest to a second, in particular front, region of the armrest carrier second area is spaced from the first area.
  • the information "back / front” or “up / down” or “vertical / horizontal”, etc., always refer to the normal state of use of the office chair with the chair standing on a horizontal floor.
  • Armauflagenieri and armrest are preferably designed such that they are independently rotatable about the respective axes of rotation.
  • the rotatability of a component is in other words independent of the rotation or the rotational position of the other component.
  • the linear displaceability of the armrest regardless of the rotation or the rotational position of the armrest or Armauflageniss.
  • limiting means for limiting the range of rotation of the armrest and / or the rotary area of the armrest support are provided according to a second core idea of the invention in a preferred embodiment of the invention. These limiting means are designed such that rotational and / or linear movements of the components, which lead to an undesirable, unsafe or unfruitable position of the armrest, can not be adjusted.
  • an embodiment of the invention has been found in which it is possible for the user of the chair by means of a switching mechanism, optionally to set different functional states of the armrest.
  • the switching mechanism is then designed for switching between at least two functional states of the armrest and / or the armrest carrier, wherein each functional state allows or predetermines a certain range of rotation and / or a certain number of rotational positions of the armrest and / or the armrest carrier.
  • the limiting means for limiting the range of rotation of the armrest and / or the rotational range of the Armauflagenizis are combined with a switching mechanism, this switching mechanism is preferably used to select different rotation ranges and / or for switching between these rotation ranges.
  • This rotation functionality of the armrest can be set user-specifically in a very user-friendly manner.
  • a preferably manually operable actuating element is provided according to a further embodiment of the invention, in particular in the form of a pushbutton.
  • the actuator is arranged on or in the Armauflagenmai that it is not operable in all positions of the Armauflagenizis and / or the armrest, especially if the actuator is only accessible and operable when the Armrest support and / or the armrest have a certain rotational position and / or when the armrest has a certain displacement position.
  • An unintentional actuation the actuating element is prevented in one embodiment of the invention in that the actuating element is only accessible when the armrest is in a maximum displaced displacement position.
  • the defined rotation range in the first functional state is at most 90 °.
  • the range of rotation of the armrest support can be limited, measures can be implemented which improve the usability of the armrest.
  • the rotation can be limited for safety reasons, eg. B. too strong screwing the armrest inwards, d. H. in the direction of the body of the chair user, to avoid and / or over-tightening of the armrest to the outside, i. from the body of the chair user away, for example, during standing, restrict.
  • the defined rotational position of the Armauflagenizis in the second functional state is preferably a single rotational position, ie the Armauflagenieri can not rotate in the second functional state, for example, to limit the number of adjustable Armauflagen tooen for safety reasons. Leaving the range of rotation of the first functional state and blocking the rotation of the armrest support in the second Functional state, for example, is advantageous if the armrest is to be brought into a well-defined starting position, for example, to produce a desired parallelism of the attached to both sides of the office chair armrests.
  • the defined rotational position, in which the armrest support is fixed to the armrest column in the second functional state is outside the defined range of rotation of the first functional state.
  • the armrest 1 comprises a height-adjustable, in particular telescopically constructed armrest column 2, which at its upper end with a bearing head concludes.
  • an actuating lever 4 is provided, which projects through an open towards the outside opening of the armrest column 2.
  • the armrest column 2 can be fastened to the base of the office chair (not shown) by means of a armrest carrier 5 which leads out horizontally at its lower foot end.
  • the armrest 1 comprises a arranged on the bearing head 3 of the armrest column 2, about a first, vertical axis of rotation 6 in a first direction of rotation 7 rotatable Armillerlagenong 8.
  • the armrest 1 comprises a mounted on the Armauflagenmé 8 Armauflage 9, which is a second, vertical Rotary axis 10 in a first direction of rotation 11 rotatable by 360 ° and relative to the Armauflagenmé 8 in a direction of displacement 12 along the Armauflagenlteilsraum 13 is linearly displaceable.
  • the armrest column 2 thus carries the armrest support 8, while the armrest support 8 in turn carries the armrest 9.
  • the first ("rear") axis of rotation 6 connects a rear portion 14 of the armrest support 8 with the armrest column 2 and the second ("front") axis of rotation 10 connects the armrest 9 with a front portion 15 of the Armauflagenitatis eighth
  • cooperating connecting means are provided for the linear displacement of the underside 16 of the armrest 9 and 8 on the top 17 of the Armauflagenmés. More specifically, the linear displacement of the armrest 9 along a provided on the bottom 16 of the armrest 9, extending in Armauflagenlteilscardi 13 groove 18 which forms with suitable, engaging in the groove 18 connecting elements (not shown) of the Armauflageniss 8 a linear sliding guide. These connecting elements are preferably direct above the second axis of rotation 10 arranged construction elements.
  • the displacement movement is preferably carried out using an actuatable without a trigger button latching mechanism, for example, in the groove 18 suitable latching steps (not shown) are provided which cooperate with a latching element (not shown) of the Armauflagenitatis 8.
  • the two axes of rotation 6, 10 are not mutually pivoted or against each other and are not arranged coaxially with each other. Instead, they lie parallel to one another and are horizontally spaced apart from each other, so that they are placed not only vertically but also horizontally offset from one another. Since they are vertical, the rotations of Armauflagenisme 8 and Armauflage 9 take place in horizontal planes.
  • the armrest 9 In a normal position, see Fig. 1 to 5 , the armrest 9 is above the Armauflagenmik 8 such that overlap the central longitudinal axes 21, 22 of these components.
  • the central longitudinal axis 21 of the armrest 9 is predetermined due to the elongated shape of the armrest 9, while the course of the central longitudinal axis 22 of the Armauflageniss 8 by the position of the two axes of rotation 6, 10 is determined, through which extends this central longitudinal axis 22.
  • a first functional state of the rotary portion 23 of the Armauflagenthes 8 is limited in the case shown here exemplary 60 ° inwards and 30 ° outwards, so that the Armauflagena 8 within a defined range of rotation of plus 60 ° / minus 30 ° starting from the normal position is rotatable relative to the armrest column 2.
  • the Armauflagena 8 can be pivoted up to 60 ° to the outside and up to 30 ° inwards.
  • the pivotability within this range of rotation is preferably trigger button free. In other words, pivoting of the armrest support 8 within this rotation range 23 does not require a release button or the like.
  • the adjustment is done rasterized, which means that 8 cooperating locking elements are provided both on the armrest column 2 and on the Armauflagenmik that form an actuatable without a trigger button latching mechanism.
  • latching steps 24 are preferably provided, which cooperate with a latching element (not shown), wherein the latching element can be moved without actuation of a trigger button or the like against the resistance and deformation of a latching step to the next.
  • the latching steps 24 are provided on both sides with identical run-on slopes, so that both the outward and the return movement can be handled with equal effort.
  • the 360 ° rotation of the armrest 9 about the second axis of rotation 10 is preferably carried out taking defined locking positions, for which purpose at a suitable location on the Armauflagenitati 8 and the armrest 9 cooperating locking elements, including latching steps 25 are provided, the one without Shutter release button operable locking mechanism form.
  • a switching mechanism For switching between these two functional states of the Armauflagenlinis 8, a switching mechanism is provided.
  • a manually operable actuating element in the form of a pushbutton 27 is provided, by the actuation of a Drehwinkelbeskyr moved out of its locked position and thus the rotation angle limit is canceled.
  • a limiting block 29 arranged rotatably on the underside 28 of the arm support carrier 8 is moved on a circular path when the arm support carrier 8 rotates about the first axis of rotation 6, whose center is moved through the first axis of rotation 6 is determined, see Fig. 7 . 17 ,
  • the limiting block 29 abuts at one end of its movement path 30 on the first stop 31 provided in the bearing head 3 of the armrest column 2, fixedly connected to the bearing head 3 end stop 32, while at the other end of its trajectory 30 on the first stop surface 33rd a locking element 34, namely the Drehwinkelbegrenzers the switching mechanism abuts, see Fig. 6 ,
  • the arrangement of the end stop 32 on the one hand and the blocking element 34 on the other hand on the circular path of movement 30 thus defines the rotational region 23 of the delimiting block 29 and thus of the arm support carrier 8.
  • the blocking element 34 which is in both Fig. 6 as well as in Fig. 7 is located to illustrate the interaction of Armauflagenmoi 8 and bearing head 3, is against the spring force of a spring element 35 by pressing the push button 27 (in FIGS. 17 and 18 not shown) from its locking position down into the bearing head 3 of the armrest column 2 into movable, see Fig. 18 , whereby the blocking element 34 is removed from the movement path 30 of the limiting block 29.
  • the blocking element 34 is provided with a pressure plate 38, which is located in the installed state below the pushbutton 27 and can be acted upon by this.
  • the limiting block 29 can then be rotated on rotation of the arm support carrier 8 into a position beyond the blocking element 34, into a second turning region 26.
  • this second rotation portion 26 is formed such that after releasing the push button 27 and the spring-assisted return of the locking element 34 in the locked position of the limiting block 29 between the second stop 36 of the end stop 32 on the one hand and the second stop surface 37 of the locking member 34 on the other hand so is present that no rotation of the Armauflagenizis 8 about the first axis of rotation 6 is possible.
  • the armrest support 8 is locked in this state, see Fig. 18 ,
  • the limiting block 29 of the Armauflageniss 8 and the end stop 32 of the bearing head 2 and the movable by the push button 27 locking member 34 thus serve as limiting means in the context of the invention for limiting the rotational range of the Armauflageniss. 8
  • the actuating element in the form of the pushbutton 27 is arranged on the provided with a cover 19 top 17 of the Armauflagen obviouslys 8 in the region of the first axis of rotation 6, so that it is only accessible and operable when the Armauflagenany 8 and / or the armrest 9 a certain Have rotational position or when the armrest 9 has a certain displacement position.
  • the armrest 9 can not only be carried by an armrest support 8 pointing forward in the chair longitudinal direction, see Fig. 1 (Middle position) and Fig. 10 (Extremely forward moved position), but also an extreme rear position of the armrest 9 is possible when the Armauflagena 8 is rotated by 180 °, see Fig. 11 (not possible with the above-described rotation angle limit of Armauflagenitatis 8 of 90 °).
  • the armrest 9 can in any position, so in the in Fig. 5 shown front and in the in Fig. 12 shown center position, rotated arbitrarily by 360 °. That means that in Fig. 12 in the chair longitudinal direction pointing backwards wider end of the armrest 9 can also point forward.
  • a relatively far forward displacement position of the armrest 9 as in Fig. 13 is shown, the push-button 27 is accessible at the top 17 of the Armauflagenthes and can be operated.
  • the strictly in the chair longitudinal direction pointing, not softened by the normal position position of the armrest 9 can also be maintained when the Armauflagena 8 is pivoted inward, see Fig. 14 or when the armrest support 8 is pivoted outwardly, see Fig. 15 , The attached to both sides of the seat armrests 9 are then narrower or farther apart.
  • Fig. 16 is an unusual, strongly inwardly pivoted position of the armrest 9 with outwardly twisted Armauflagenieri 8 shown to illustrate the various adjustment possibilities of the armrest 1 according to the invention.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Rehabilitation Tools (AREA)
EP18000451.7A 2017-05-15 2018-05-14 Accoudoir, en particulier pour une chaise de bureau Active EP3403535B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017110492.5A DE102017110492A1 (de) 2017-05-15 2017-05-15 Armlehne, insbesondere für einen Bürostuhl

Publications (2)

Publication Number Publication Date
EP3403535A1 true EP3403535A1 (fr) 2018-11-21
EP3403535B1 EP3403535B1 (fr) 2019-12-04

Family

ID=62167087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18000451.7A Active EP3403535B1 (fr) 2017-05-15 2018-05-14 Accoudoir, en particulier pour une chaise de bureau

Country Status (4)

Country Link
US (1) US10537176B2 (fr)
EP (1) EP3403535B1 (fr)
CN (1) CN108851706B (fr)
DE (1) DE102017110492A1 (fr)

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EP3403535B1 (fr) 2019-12-04
US10537176B2 (en) 2020-01-21
US20180325261A1 (en) 2018-11-15
DE102017110492A1 (de) 2018-11-15
CN108851706B (zh) 2022-04-29
CN108851706A (zh) 2018-11-23

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