EP1258209A2 - Mécanisme de réglage pour un accoudoir d'une chaise - Google Patents

Mécanisme de réglage pour un accoudoir d'une chaise Download PDF

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Publication number
EP1258209A2
EP1258209A2 EP02010848A EP02010848A EP1258209A2 EP 1258209 A2 EP1258209 A2 EP 1258209A2 EP 02010848 A EP02010848 A EP 02010848A EP 02010848 A EP02010848 A EP 02010848A EP 1258209 A2 EP1258209 A2 EP 1258209A2
Authority
EP
European Patent Office
Prior art keywords
adjustment
locking
armrest
cartridge
sword
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
EP02010848A
Other languages
German (de)
English (en)
Other versions
EP1258209B1 (fr
EP1258209A3 (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
Application filed by Froli Kunststoffwerk Heinrich Fromme OHG filed Critical Froli Kunststoffwerk Heinrich Fromme OHG
Publication of EP1258209A2 publication Critical patent/EP1258209A2/fr
Publication of EP1258209A3 publication Critical patent/EP1258209A3/fr
Application granted granted Critical
Publication of EP1258209B1 publication Critical patent/EP1258209B1/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
    • A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
    • A47C1/0305—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction by peg-and-notch or pawl-and-ratchet mechanism

Definitions

  • the invention relates to an adjustment mechanism for a a frame to be adjusted, the one with the one to be adjusted Part is connected to the receiving sleeve provided frame-fixed approach is adjustable compared to this, a locking mechanism is provided for gradual adjustment is; it also relates to an armrest for seating, which is based on an armrest support is arranged with a substantially horizontal mounting bracket on the seat or seat support is attachable, and one extending substantially vertically Approach, this approach of a receiving sleeve, on which the armrest is arranged, in particular with arm pads, is overlapped, and with the armrest over the approach over a locking mechanism is gradually adjustable.
  • an adjustment mechanism for a gradual Adjustment especially for a gradual height adjustment of Seating armrests are proposed that are versatile and easily adaptable to the different circumstances that economically producible, and which can be used safely, in particular is to provide an armrest with such an adjustment mechanism can be specified.
  • the approach is at least partially as Tube trained.
  • An adjustment cartridge is in this tube or in this tube part with a hollow interior essentially positive used and fixed to the frame.
  • Positive locking can be done in an advantageous design on the outside the adjustable cartridge or its shells, ribs and / or strips to be put on; on the one hand, this training ensures the form fit, on the other hand, it allows considerable material savings, which enables more economical production.
  • the hollow one The interior of the adjustable cartridge positively increases with that adjusting part connected adjustment sword so that it is opposite the vertical cartridge can be moved.
  • the gradual The locking mechanism provided is within the adjustment cartridge arranged, and is, inserted into the adjustment cartridge, from this is included in the whole.
  • the adjustment cartridge is on the Lower part fixed and in turn provided with an internal cavity, into that with the object to be adjusted relative to the lower part - For example, the armrest of a piece of seating furniture - connected Immersed adjustment sword.
  • the adjustment cartridge is in one piece educated.
  • the adjustment sword is pre-assembled in the interior Cavity inserted and fixed with an inserted brick.
  • the adjustment cartridge is designed as a double-shell insert.
  • the adjustment cartridge shows or one of their shells, the locking shell, on the inside of each other spaced short transverse grooves as recesses, which with the The locking mechanism of the locking mechanism interact in such a way that the adjustment of the adjustment sword locked in the adjustment cartridge without triggering unlocked and released so that the adjustment is possible becomes.
  • the locking body engages in one of the latching openings forming short transverse grooves in the one-piece adjustment cartridge or on the inside of the locking shell and thus blocks an adjustment.
  • the release button is pressed, the release rod moves Locking body withdrawn from the locking opening via the inclined guide and the lock between the adjustment cartridge and adjustment sword is lifted.
  • the adjustment sword has a mounting plate at its free end to attach to the adjustable part to which an insert follows with a guide groove and guided therein Firing bar. This is at the upper end of the adjustment sword free end of this release rod is brought out and with a release button Mistake. with which the connected release rod to unlock the locking mechanism can be moved for adjustment.
  • the the Adjustment cartridge accommodating the locking mechanism is therefore a guide for that adjustment sword inserted in it, which in turn is the trigger rod the locking mechanism contains and guides.
  • the locking mechanism is therefore only in the adjustment cartridge arranged and interacts with the adjustment sword. You can in their geometry simply to a geometry of any tubular Adapt the approach. This adjustment can either be done directly, or through an adapter insert, the inner cross section the adjustable cartridge and its outer cross-section the inner cross-section corresponds to the tubular approach. Because the locking mechanism the adjustment mechanism in its entirety inside the adjustment cartridge is arranged, the adjustable cartridge can be so practical adapted to any cross-sectional shape of a tubular or sleeve-shaped attachment be so that this arrangement can be used widely is. Since the adjustable cartridge accommodates the locking mechanism in such a way that Guides and snap-in openings only within the adjustable cartridge are arranged, pollution risks are prevented. The locking openings or locking recesses are inside the adjustment cartridge, they are not accessible from the outside, danger of crushing omitted.
  • the cartridge is provided with a circular cross-section so that they are in the tubular Approach can also be pivoted.
  • a blocking or Locking mechanism provided, in the simplest case a nose with Interlocking recesses interacts.
  • the locking mechanism is advantageous formed by a resilient latch and correspondingly arranged Locking grooves on the inner wall of the tubular extension and are provided on the outer wall of the adjustment cartridge.
  • the seating furniture has a substantially horizontal one extending fastening strap on the seat or seat support of the underframe armrest support fixed to the frame, which in one substantially vertically extending tubular extension transforms.
  • This approach is from one with the armrest with arm pads connected receiving sleeve overlapped.
  • the adjustment cartridge is arranged with the adjustment sword. They are Adjustable cartridge - about with a bolt - with the lower part and the Tab of the seat holder and the adjustment sword with the armrest like this connected that the locking mechanism between the receptacle and the approach is arranged. and so a vertical adjustment of the armrests without Tripping blocks.
  • the armrest is designed that further adjustment options are provided, such as in Depth or width or in their angular position.
  • At least the locking mechanism is as Plastic injection molded part. That is also advantageous Adjustable cartridge, one-piece or two-shell with the two shells, the probe shell and the locking shell, as plastic injection molded parts educated.
  • the adjustment sword is included in a further training Insert and release bar with release button as plastic injection molded parts educated. That way at least some or all parts of the adjustment mechanism economically as Plastic parts are injected and manufactured, whereby advantageous Polyamide-based plastics are used.
  • a powder coating can be provided.
  • the electrical conductivity of the coating required for the discharge of electrostatic charges is set accordingly by adding carbon fiber and / or steel fiber batch. This electrical conductivity is advantageously such that the specific resistance is below 10 5 ⁇ cm. This charge drain is particularly advantageous if, for example, electronic components have to be handled.
  • the armrest 10 consists of an armrest 11, possibly with a Pads are provided to improve the armrest.
  • This armrest is placed with its lower part 12 on a receiving sleeve 14 and firmly connected to this.
  • this receiving sleeve is the approach 17.1 of the lower part 17 introduced, which via a sleeve 18 (or with the screwable lower part 17 '(Fig. 2, 9) with the base of the chair is connected to the frame.
  • the adjustment sleeve slides during adjustment 14 on the lower part 17 up and down.
  • the receiving sleeve 14 is on provided at its lower end with a terminating insert 15, the inside Spring tongues 15.1, which the receiving sleeve 14 against the lower part 17 support and thus enable a largely play-free movement, which are also designed as raised spring tongues 15.2 and can be provided with locking lugs.
  • a terminating insert 15 the inside Spring tongues 15.1 which the receiving sleeve 14 against the lower part 17 support and thus enable a largely play-free movement, which are also designed as raised spring tongues 15.2 and can be provided with locking lugs.
  • Another version is an inner clamping ring 16 is provided which is low-friction and in allows substantial play-free adjustment.
  • tubular extension 17.1 is in a first embodiment a double-shell cartridge 20 used, the lower end formed as a fastening eye 23, by means of a fastening bolt 19 is firmly connected to approach 17.1.
  • a fastening bolt 19 is firmly connected to approach 17.1.
  • Compound results in the interior of both Shells a cavity into which an adjustment sword 30 is inserted.
  • the tubular extension 17.1 a one-piece adjustment cartridge 25 used, the lower end with a guided through the socket 28 mounting bolt 19 with the Approach 17.1 is connected.
  • This adjustment cartridge 25 is selected in the 2 of outer rings 26.1, a latticework formed by outer rings 26.1 and outer ribs 26.2, so that a cage structure arises, but this does not exclude other forms of training.
  • the one-piece adjustment cartridge 25 also has one hollow interior, into which the adjustment sword 30 is inserted.
  • the adjustment sword 30 is formed by an insert 32, on the latter upper end of a mounting plate 31 is provided with which Adjustment sword 30 connected to the lower part 12 of the armrest 11 is.
  • This mounting plate 31 is advantageous with a recess 39 provided, for receiving the upper end of the (explained in more detail later) Trigger 40.
  • the lower end of this insert 32 is with a window 34 extending at right angles to the insert 32, that is intended for the locking mechanism.
  • This one-piece adjustable cartridge 25 or this two-shell, of a probe shell 21 and one Locking shell 22 formed adjustment cartridge 20 contains the entire, for a gradual adjustment necessary locking mechanism. With the one-piece Training it is advantageous if an inserted brick 27 the inserted adjustment sword 30 against being pulled out secures in the same way as that on the inside of the locking shell 22 dr two-shell embodiment provided stops 22.1.
  • the one-piece adjustment cartridge has the wall formed by the spaces between the outer rings 26.1 Breakthroughs that form the locking openings 29, At least this will in the adjustment range, the distances between the outer rings - for example through appropriate reinforcements, as can be seen in FIG. 9b - chosen so that it (almost) the locking body 45 of the locking mechanism can record without play.
  • the double-shell adjustable cartridge 20 is the stylus shell 21 with a continuous longitudinal groove 21.1 and Locking shell 22 provided with transverse grooves 24 which the locking body 45 as Serve rest stops.
  • the locking mechanism provided for gradual adjustment is by means of a linkage 40 triggered.
  • This is formed by a trigger bar 42, at the upper end of which a release button 41 is arranged.
  • This release rod 42 is in a guide groove 33 of the insert 32nd guided.
  • the lower end of the release rod 42 has an inclined guide 43 formed with a slope transverse to the locking shell 22 recess on.
  • a locking body 45 is mounted on the slope of the inclined guide 43 from the locking opening - either the breakthrough of the one-piece adjustment cartridge 25 or Locking shell 22 of the two-shell adjustment cartridge 20 - moved away can be.
  • the locking body 45 protrudes laterally above the inclined guide 43 and lies with its projections 45.1 in the window 34.
  • the release of the blocking body 45 in the interaction of Oblique guide 43 and window 34 forcibly in one direction at right angles moved to the adjustment sword 30. So the locking body 45 with the transverse grooves 24 cooperate inside the locking shell 22 and so to lock in one of the locking openings - the transverse grooves 24 or Detent openings 29 - immerse or lead out of them to unlock become.
  • the linkage of the adjustment mechanism is by means of a between the release rod 42 and insert 32 spring 46 held down; for this purpose the insert 32 has a nose as an abutment 32.1 for the spring 46 and the trigger rod 42 on a nose 42.1, the one end of the spring 46 receives.
  • the release rod held down 42 the locking body 45 against the inclined guide 43
  • Inner wall of the adjustment sword 20 or 25 pressed and engages in one of the locking points, locking openings 29 or transverse grooves 24, so that as a result of this intervention, a movement of the armrest 11 in the height direction is prevented.
  • the inclined guide moves 43 opposite the locking body 45, and lifts it out of the corresponding rest stop. Locking opening 29 or transverse grooves 24, so that the armrest can now be moved.
  • Tubular attachment 17.1 and adjusting cartridge 25 are advantageous equipped with a matching circular cross-section. So is a pivoting of the adjustment cartridge 25 within the approach 17.1 possible, and - since the armrest 11 with pad 12 with that in the adjustable cartridge adjustment sword 30 secured against rotation is connected - thus also a pivoting of the armrest 11 in essential horizontal plane.
  • the angular range for the possible pivoting is given by the angular range of the locking or latching means, the step by step from the distance of the locking grooves 17.2 or the locking calottes or ridges 27.1.
  • This is with one provided resiliently acting backing 27.2, for example with a molded elastomer.
  • the locking lug When swiveling, the locking lug is released pushed back out of the locking groove, the rubber-elastic backing 27.2 excited; when the next locking groove is reached, the locking bead becomes pressed into this.
  • a certain Force must be applied, the size of which depends on the formation of the elastic Deposit 27.2 and depends on the shape of the locking grooves, can be achieved in such a way that it is released Forces of the desired size are required.
  • Adjustable sword 30 can be used universally.
  • the one-piece Adjustment cartridge 25 or the two-shell adjustment cartridge 20 can inserted into each tubular lower part, and the adjustment sword 30 can be connected to any object, so that this Object can be gradually adjusted compared to the recording.
  • an armrest with in by its longitudinal extension given depth direction adjustable armrest 11 is in the lower part 12 of the armrest 11, a board 51 is arranged, the by means of the screws 52 (FIG. 13a) or the screws 54 (FIG. 13b) with the mounting plate forming the head of the adjustment sword 40 41 or under their inclusion with the head of the receiving sleeve 14 are connected.
  • the bottom 13 of the lower part 12 of the armrest 11 is thereby between this board and the head of the receiving sleeve 14 slidably mounted.
  • the adjustment sword 40 is inserted into the adjustment cartridge 30 is in turn located in the receiving sleeve 14.
  • the screws 52 or 54 are thereby through slots 13.1 pointing in the depth direction performed, provided in the bottom 13 of the lower part 12 of the armrest 11 are.
  • This is the board 51 on the mounting plate 41 of the adjustment sword 40 set so that armrest 11 with adjustment sword 40 can be moved if their altitude is to be changed.
  • Depth adjustment of the armrest 11 can now be moved because its lower part 12 opposite the (fixed to the frame) circuit board 51 is movable.
  • its head has screw domes 38, which in the Elongated holes 12.1 are guided, the height of the screw domes 38 a Prevent tensioning and allow perfect gliding.
  • locking means are between the bottom 13 of the lower part 12 of the armrest 11 is provided.
  • These are shown in a (only schematically indicated in FIG Receiving sleeve 14) embodiment formed in that the bottom 13 of the lower part 12 is provided with locking recesses 13.2 in the one arranged on the top of the head of the receiving sleeve 14 Resting dome 14.1 engages.
  • This advantageously shows - as already described - a rubber-elastic backing as a spring member, with to which the locking is ensured.
  • a force is now exerted in the direction of displacement that the Locking dome 14.1 which slide onto the sloping wall of the locking trough 13.2 leaves.
  • the locking dome 14.1 is pushed back and so the Detent connection released.
  • Board 51 provided with the locking cap 53, and - in the illustration raised intermediate floor 13 'of the lower part 12 of the armrest 11 has locking troughs 13.2 into which the locking cap 53 falls.
  • Board 51 it is advantageous if the board 51 as a result the curvature of the lower part 12 is biased so that the through the deformation caused by restoring forces causes the locking. It it goes without saying that each of the dome-shaped training courses, too can be used in the other arrangement.
  • FIGS. 14 and 15 There is a receiving sleeve attachment 60 inserted in FIGS. 14 and 15 in cooperation with the raised intermediate floor 13 'beyond Space in a further development between the fastening plate 31 the adjustment sword 30 and the lower part 12 of the armrest 11 means to be provided, which allow a width adjustment of the armrest.
  • Adjustment sword 30 with its mounting plate 31 between is movably clamped, with screw domes 38 (FIGS. 3, 4. 5) ensure the necessary distance. So the above is close described height adjustability given.
  • This receiving sleeve attachment 60 is designed such that a transverse guide insert 61 can be inserted.
  • This cross guide insert has guide grooves 62 provided on both sides, which correspond with corresponding Guide strips on the inside of the base of the receiving sleeve attachment 60 cooperating a guide at right angles to Force the armrest 11 to be longitudinal.
  • a recess is provided in the center of the transverse guide insert 61, which is provided with a locking pin 63 which - as already described - is provided with an elastic backing that it presses into one of the locking grooves that correspond to the locking bolt 63 on the inside of the bottom of the receiving sleeve attachment 60 are arranged, and with which the locking pin 63 cooperates.
  • the Movability is also ensured here by elongated holes that rectilinear guidance through the interaction of the guide grooves 62 with the guide rails.
  • An adjustment force exerted on the side causes that the locking pin 63 pressed into a locking groove 64 against that of the elastic backing force is pressed back, so that the locking is released, and the armrest approximately at right angles can be shifted to their length.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
EP02010848A 2001-05-16 2002-05-15 Mécanisme de réglage pour un accoudoir d'une chaise Expired - Lifetime EP1258209B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20108247U 2001-05-16
DE20108247U DE20108247U1 (de) 2001-05-16 2001-05-16 Verstellmechanismus insbesondere für eine Armlehne eines Sitzmöbel

Publications (3)

Publication Number Publication Date
EP1258209A2 true EP1258209A2 (fr) 2002-11-20
EP1258209A3 EP1258209A3 (fr) 2003-09-17
EP1258209B1 EP1258209B1 (fr) 2005-11-23

Family

ID=7956965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02010848A Expired - Lifetime EP1258209B1 (fr) 2001-05-16 2002-05-15 Mécanisme de réglage pour un accoudoir d'une chaise

Country Status (4)

Country Link
EP (1) EP1258209B1 (fr)
AT (1) ATE310428T1 (fr)
DE (1) DE20108247U1 (fr)
ES (1) ES2253475T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1424029A1 (fr) 2002-11-27 2004-06-02 Froli Kunststoffwerk Heinrich Fromme OHG Accoudoir, notamment pour chaise de bureau
EP1424030A1 (fr) 2002-11-27 2004-06-02 Froli Kunststoffwerk Heinrich Fromme OHG Accoudoir réglable en hauteur
US6974189B2 (en) 2003-12-30 2005-12-13 Hni Technologies Inc. Vertically adjustable chair armrest
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
GB2428186A (en) * 2005-07-05 2007-01-24 Aqualink Entpr Co Ltd Adjustable armrest assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20108247U1 (de) 2001-05-16 2002-06-20 FROLI Kunststoffwerk Heinrich Fromme oHG, 33758 Schloß Holte-Stukenbrock Verstellmechanismus insbesondere für eine Armlehne eines Sitzmöbel
DE102007060328A1 (de) 2007-12-12 2009-06-18 Sedus Stoll Ag Höhenverstellbare Armlehne
DE202010007975U1 (de) 2010-04-28 2010-10-14 Froli Kunststoffwerk Heinrich Fromme Ohg Armlehne für ein Sitzmöbel
DE102014202939A1 (de) * 2014-02-18 2015-09-03 Meyra Gmbh Rollstuhlseitenteil

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502429U1 (de) 1995-02-15 1995-11-02 Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock Armlehne für ein Sitzelement
DE20108247U1 (de) 2001-05-16 2002-06-20 FROLI Kunststoffwerk Heinrich Fromme oHG, 33758 Schloß Holte-Stukenbrock Verstellmechanismus insbesondere für eine Armlehne eines Sitzmöbel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5388892A (en) * 1993-04-02 1995-02-14 Tornero; Lino E. Mechanism for the relative positioning of telescoping members
US6053579A (en) * 1996-12-27 2000-04-25 Haworth, Inc. Height-Adjustable chair arm assembly having cam-type adjusting mechanism
ATE245922T1 (de) * 1998-05-22 2003-08-15 Froli Kunststoffwerk Fromme H Armstütze, insbesondere für büro- und drehstühle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29502429U1 (de) 1995-02-15 1995-11-02 Froli Kunststoffe Heinrich Fromme, 33758 Schloß Holte-Stukenbrock Armlehne für ein Sitzelement
DE20108247U1 (de) 2001-05-16 2002-06-20 FROLI Kunststoffwerk Heinrich Fromme oHG, 33758 Schloß Holte-Stukenbrock Verstellmechanismus insbesondere für eine Armlehne eines Sitzmöbel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1424029A1 (fr) 2002-11-27 2004-06-02 Froli Kunststoffwerk Heinrich Fromme OHG Accoudoir, notamment pour chaise de bureau
EP1424030A1 (fr) 2002-11-27 2004-06-02 Froli Kunststoffwerk Heinrich Fromme OHG Accoudoir réglable en hauteur
US6974189B2 (en) 2003-12-30 2005-12-13 Hni Technologies Inc. Vertically adjustable chair armrest
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
GB2428186A (en) * 2005-07-05 2007-01-24 Aqualink Entpr Co Ltd Adjustable armrest assembly
GB2428186B (en) * 2005-07-05 2009-12-30 Aqualink Entpr Co Ltd Adjustable armrest assembly

Also Published As

Publication number Publication date
ATE310428T1 (de) 2005-12-15
EP1258209B1 (fr) 2005-11-23
DE20108247U1 (de) 2002-06-20
EP1258209A3 (fr) 2003-09-17
ES2253475T3 (es) 2006-06-01

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