EP0365012A1 - Klappstuhl - Google Patents

Klappstuhl Download PDF

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Publication number
EP0365012A1
EP0365012A1 EP89119429A EP89119429A EP0365012A1 EP 0365012 A1 EP0365012 A1 EP 0365012A1 EP 89119429 A EP89119429 A EP 89119429A EP 89119429 A EP89119429 A EP 89119429A EP 0365012 A1 EP0365012 A1 EP 0365012A1
Authority
EP
European Patent Office
Prior art keywords
folding chair
legs
armrests
support arms
chair according
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.)
Withdrawn
Application number
EP89119429A
Other languages
German (de)
English (en)
French (fr)
Inventor
Simon Desanta
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0365012A1 publication Critical patent/EP0365012A1/de
Withdrawn legal-status Critical Current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
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • A47C4/18—Folding chairs with inflexible seats having a frame made of metal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/04—Stackable chairs; Nesting chairs
    • A47C3/045—Stackable chairs; Nesting chairs with tipping-up seats

Definitions

  • the invention relates to a folding chair with a seat plate supported by legs, a backrest and armrests.
  • Folding chairs can be folded to save space, so that they are particularly suitable as a temporary seat that can be accommodated in a suitable place after use without excessive space requirements.
  • An important area of application for folding chairs is the seating of multi-purpose rooms or halls, where the type and scope of seating can change from one event to another. Since a large number of chairs may have to be stored in an adjoining room, it is not only important that the chairs can be stored as space-saving as possible, but also that the chairs are transported as easily as possible from the place of use to the storage room and back can.
  • the invention has for its object to provide a folding chair that can be folded in a space-saving manner with the same chairs in the folded state and is easy to transport.
  • This object is achieved in that only two front legs are provided, which are rigidly connected at the lower end with rearward-looking support arms, that the armrests with the upper end and the The seat plate is pivotally connected to the legs in a lower position, that the armrests and the seat plate are connected at the rear end via struts pivotably pivoted on both sides and that the pivoting movement of the parallelogram linkage formed by the legs, the armrests, the struts and the seat plate in the seating position is limited by stops.
  • the folding chair according to the invention If the folding chair according to the invention is to be folded, it only has to be pulled up on the backrest. This brings the seat plate, the armrests and the rear struts into a flat folded position and at the same time into the plane formed by the legs, so that an L-shaped structure consisting of a vertical and a horizontal surface is formed in side view. The chair is still stable in this position.
  • the L-shape offers the possibility of nesting the individual chairs into one another to save space.
  • Rollers are preferably attached to the lower end of the legs. These castors allow the folding chair or a number of folded folding chairs to be moved in the manner of a cart.
  • the rearward-facing support arms are preferably designed according to the principles of stackability. So they converge roughly backwards and their upper surface sinks backwards. You can also be designed as an L-profile open downwards and inwards. In this way, the folded chairs can be pushed together, as is the case with shopping trolleys in retail. When pushed together, the chairs can be stacked around the castors of the first chair and moved like a cart.
  • the backrest is preferably rigid with two by two connected to the rear end of the armrests, upwardly angled supports, which can be connected by a bulging backward arch.
  • This bracket can be used as a handle when moving one or more folded chairs.
  • the lower support arms are preferably connected at the rear end by a cross strut.
  • Another cross strut is located in the lower end of the legs, but above the height of the rearward-facing support arms, so that the above-described pushing together is not impeded.
  • a locking device is preferably provided, which locks the chairs in the folded-up position in an easily detachable manner.
  • Means for laterally connecting the chairs to a row of chairs can also be provided.
  • a chair according to the invention has two front legs 10, 12, from the lower ends of which support arms 14, 16 extend backwards on the floor.
  • the legs and support arms form a rigid, L-shaped unit. Rear legs are not provided.
  • the chair can therefore be designed as a so-called cantilever chair by using a suitable, elastic material.
  • a seat plate 18 is suspended between them, which can be pivoted about a horizontal axis 20 with respect to the legs. The pivoting movement is limited downwards in the essentially horizontal sitting position of the seat plate 18 by stops 22 on the legs 10, 12.
  • Armrests 24, 26 are attached to the upper end of the legs 10, 12 and can also be pivoted about a common horizontal axis 28.
  • the armrests 24, 26 are extended at the rear end by supports 30, 32 bent obliquely upwards, which receive a backrest 34.
  • the upper ends of the supports 30, 32 are connected to one another by a bracket 36 which is curved backwards and / or upwards.
  • FIG. 2 A comparison of FIG. 2 and FIG. 3 shows that the upper end region of the legs 10, 12, the armrests 24, 26, the struts 38, 40 and the seat plate 18 form a parallelogram linkage on both sides of the chair, which is lifted of the chair on the backrest 34 or collapses the bracket 36 in the manner indicated in Figure 3.
  • rollers 46, 48 At the lower ends of the legs 10, 12 there are rollers 46, 48 on both sides. If the chair is folded up into the flat position and locked in this position, it can be gripped on the bracket 36 and tilted slightly forward and then moved in the manner of a cart.
  • Figure 4 shows that the seat plate 18, the armrests 24, 26 and the struts 38, 40 slide into the plane defined by the legs 10, 12 when the chair is folded, so that a completely flat structure is formed.
  • the lower support arms 14, 16 are shaped and arranged in such a way that they enable the base frames formed by the support arms 14, 16 to be pushed together or stacked horizontally.
  • the support arms 14, 16 converge towards the rear at an acute angle according to FIG. Then the upper surface of the support arms 14, 16 is slightly beveled backwards, and finally the support arms 14, 16 have an L-shaped cross section with a vertical outer flange and a horizontal, upper flange. In this way, the support arms 14, 16 of the chair that follows when folded up always overlap the support arms 14, 16 of the previous chair from above and outside until they reach the minimum distance that can be seen in FIG.
  • FIG. 4 shows that the support arms 14, 16 are connected to one another by a cross strut 50 for stabilization at the rear end.
  • This cross strut does not hinder the pushing together, since the respective subsequent chair engages around the base frame formed from the support arms 14, 16 and the cross strut 50 from the outside and above.
  • a front cross member 52 between the lower end portions of the legs 10, 12 lies above the upper surface of the support arms 14, 16, so that this cross strut 52 passes over the support arms 14, 16 of the previous chairs when the chairs are pushed together.
  • the stack of chairs can be tilted slightly forwards around the rollers 46, 48 and moved as a cart.
  • One of the brackets 36 can be used as a handle.
  • latching devices for the sitting position and / or the folded-up position, which hold the chair in the respective position and can only be released with increased application of force or actuation of a trigger mechanism.

Landscapes

  • Chairs Characterized By Structure (AREA)
EP89119429A 1988-10-21 1989-10-19 Klappstuhl Withdrawn EP0365012A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3835855 1988-10-21
DE3835855A DE3835855A1 (de) 1988-10-21 1988-10-21 Klappstuhl

Publications (1)

Publication Number Publication Date
EP0365012A1 true EP0365012A1 (de) 1990-04-25

Family

ID=6365606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89119429A Withdrawn EP0365012A1 (de) 1988-10-21 1989-10-19 Klappstuhl

Country Status (4)

Country Link
US (1) US5037116A (enrdf_load_stackoverflow)
EP (1) EP0365012A1 (enrdf_load_stackoverflow)
JP (1) JPH02159216A (enrdf_load_stackoverflow)
DE (1) DE3835855A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000021415A1 (de) 1998-10-13 2000-04-20 Protoned B.V. Klappstuhl
EP0995376A1 (de) 1998-10-22 2000-04-26 Protoned B.V. Stuhl mit Rückenlehne

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449220A (en) * 1994-02-02 1995-09-12 Taylor; Patricia G. Selectable height folding chair apparatus
WO1996019932A1 (fr) * 1994-12-27 1996-07-04 Kokuyo Co., Ltd. Chaise pliante
USD411928S (en) 1998-05-15 1999-07-13 Steelcase Inc. Chair
US6030037A (en) 1998-05-15 2000-02-29 Steelcase Inc. Horizontally nestable chair
US8198200B2 (en) 2004-03-29 2012-06-12 The Procter & Gamble Company Web materials having both plastic and elastic properties
US6890026B1 (en) * 2004-04-30 2005-05-10 Commercial Seating Products, Inc. Folding chair construction
US7237841B2 (en) 2004-06-10 2007-07-03 Steelcase Development Corporation Back construction with flexible lumbar
US7458637B2 (en) 2004-06-10 2008-12-02 Steelcase Inc. Back construction with flexible lumbar
US7422287B2 (en) 2005-03-08 2008-09-09 Steelcase Inc. Seating with shape-changing back support frame
USD536886S1 (en) * 2005-07-22 2007-02-20 Crazy Creek Products, Inc. Combination chair and folding table
EP1785069A1 (en) * 2005-11-10 2007-05-16 Pro-Cord S.P.A. Nestable chair
USD555377S1 (en) 2006-02-24 2007-11-20 Steelcase Development Corporation Seating unit
JP5987332B2 (ja) * 2012-02-02 2016-09-07 コクヨ株式会社 椅子
AR099780A1 (es) * 2015-03-18 2016-08-17 Rambaldo Juan Martín Silla plegable
JP7424613B2 (ja) * 2019-12-14 2024-01-30 中野 潤 椅子
US12383064B1 (en) * 2023-08-14 2025-08-12 Commerical Seating Products, Inc. Folding chair construction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1096684A (fr) * 1953-12-29 1955-06-23 Autocoussin Dura Siège, notamment fauteuil repliable
FR2392631A1 (fr) * 1977-05-31 1978-12-29 Gheorghiu Ion Siege
US4570994A (en) * 1982-12-17 1986-02-18 Charles Lowrey Foldable chair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874755A (en) * 1955-05-02 1959-02-24 Marion J Smith Nesting chairs
JPS5917315A (ja) * 1982-07-20 1984-01-28 アップリカ葛西株式会社 折りたたみ式椅子

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1096684A (fr) * 1953-12-29 1955-06-23 Autocoussin Dura Siège, notamment fauteuil repliable
FR2392631A1 (fr) * 1977-05-31 1978-12-29 Gheorghiu Ion Siege
US4570994A (en) * 1982-12-17 1986-02-18 Charles Lowrey Foldable chair

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000021415A1 (de) 1998-10-13 2000-04-20 Protoned B.V. Klappstuhl
EP0995376A1 (de) 1998-10-22 2000-04-26 Protoned B.V. Stuhl mit Rückenlehne
WO2000024294A1 (de) 1998-10-22 2000-05-04 Vitra Patente Ag Stuhl mit rückenlehne

Also Published As

Publication number Publication date
DE3835855C2 (enrdf_load_stackoverflow) 1992-04-30
US5037116A (en) 1991-08-06
JPH02159216A (ja) 1990-06-19
DE3835855A1 (de) 1990-04-26

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