EP0689784A1 - Ruhesessel - Google Patents

Ruhesessel Download PDF

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Publication number
EP0689784A1
EP0689784A1 EP95420168A EP95420168A EP0689784A1 EP 0689784 A1 EP0689784 A1 EP 0689784A1 EP 95420168 A EP95420168 A EP 95420168A EP 95420168 A EP95420168 A EP 95420168A EP 0689784 A1 EP0689784 A1 EP 0689784A1
Authority
EP
European Patent Office
Prior art keywords
legs
articulated
sliding
side members
yoke
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
EP95420168A
Other languages
English (en)
French (fr)
Other versions
EP0689784B1 (de
Inventor
Elie Papiernik
Yann Le Gal
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.)
Lafuma SA
Original Assignee
Lafuma SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9465035&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0689784(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lafuma SA filed Critical Lafuma SA
Publication of EP0689784A1 publication Critical patent/EP0689784A1/de
Application granted granted Critical
Publication of EP0689784B1 publication Critical patent/EP0689784B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C4/00Foldable, collapsible or dismountable chairs
    • A47C4/04Folding chairs with inflexible seats
    • A47C4/18Folding chairs with inflexible seats having a frame made of metal
    • A47C4/20Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
    • A47C4/24Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs
    • A47C4/26Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe with cross legs of adjustable type
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest

Definitions

  • the invention relates to a relaxation chair, more precisely of the type comprising a backrest and a legrest, reclining and folding for easy transport and storage.
  • This type of armchair is widely used for the exterior (garden, camping %) or as an auxiliary armchair. It is not useful to describe it in detail.
  • These armchairs generally consist of a base cooperating with three elements, namely a backrest, a seat and a legrest, on which a canvas is stretched.
  • the articulation mechanism causes the inclination of the backrest to cause a similar inclination for the footrest, so that the inclination in the lying position allows the legs to be raised for better comfort (see for example the document US- A-2 195 091).
  • the armrest is rigidly fixed to the base, and the transmission of movement between the backrest and the legrest is done by a sliding tube under the armrest, also sometimes called armrest. It follows that the armrest remains fixed whatever the inclination of the seat and does not accompany the user's arm in this inclination. This drawback detracts from comfort.
  • the commonly chosen mechanical joints are bulky, and the folding and unfolding maneuvers are difficult, especially by children, since they require numerous movements. They are even dangerous in the areas of articulation, responsible for pinching.
  • the upper end of the legs is integral with a sliding tube under the armrest, the position of which is adjusted by means of an adjustment screw.
  • this solution has the drawback of having the blocking member which is difficult to access and whose position relative to the user varies as a function of the inclination of the seat.
  • the actuation of the locking member cannot be done in the same movement as the inclination of the chair.
  • the invention overcomes these drawbacks. It is aimed at a folding relaxation chair of the type in question, which is easy to unfold and fold, even by children, which presents no risk of pinching and is easy to lock in position, and provides certain comfort.
  • the transmission of movement between the backrest and the legrest is effected by the deformation of the quadrilateral formed by the backrest, the legrest, the seat rails and the sliding rod of the armrest.
  • the entire base is fixed, in particular the sliding yoke and the yoke located at the rear of the side member, so that the armrest moves at the same time as the backrest, from which it follows that, unlike the state of the art, the armrest follows the tilting movement.
  • the combination of these characteristics contributes to a new and sought-after result, namely the translation of the armrests simultaneously with the inclination of the backrest and the legrest, which contributes to improving comfort.
  • the backrest frame is closed and ergonomically curved.
  • Figure 1 is a side view of the chair in the sitting position.
  • Figure 2 is a view of the same chair in the fully folded position.
  • Figure 3 is a detail view of the sliding member at the armrest.
  • Figure 4 is a detailed view of the articulation of the legrest with the armrests.
  • the armchair as presented in the seated position in FIG. 1, is made up of two sets having distinct functions, namely on the one hand, a base composed of two legs (35,36), articulated in (23) in the manner a trestle, and on the other hand, an assembly intended to receive a seated person and consisting of a backrest (1), a seat (2), a legrest (3), and two armrests (4).
  • the backrest (1) is a closed frame, generally rectangular in shape and slightly curved to match the curve of the back.
  • the seat rails (2) each consist of a metal tube, articulated rearwards at (22) on the vertical side of the backrest (1).
  • the articulation takes place near the lower end of the side of the backrest (1), by means of a conventional U-shaped yoke (22) the bottom of which accommodates the beam (2) and to which it is welded, and the branches of which support an axis which crosses the side of the backrest (1).
  • the position of these beams (2) is slightly inclined towards the rear.
  • the two armrests (4) are articulated respectively at (24) and (20) on the one hand in the backrest (1) and on the other hand, in the leg rest (3). They are substantially parallel to the side members (2).
  • Each armrest (4) comprises, under its lower face, a sliding rod (5) capable of being translated into the yoke (7) secured to the upper end of the front leg (36) of the base.
  • the leg rest is formed by a U-shaped frame connected to the seat rails (2) and to the armrests (4).
  • the articulation with the armrests (4) is done (see FIG. 4) by means of ball joints (20) connecting the ends of the armrests (4) and the ends of the legrest frame (3).
  • the connection between the legrest (3) and the side members (2) is made by means of a conventional yoke (21) and this at a height making it possible to respect the parallelism between the armrests (4) and the side members (2).
  • the base consists of two U-shaped legs (35,36).
  • the two ends of the rear leg include welded yokes (23) in which the upper part of the front leg (36) is articulated.
  • the front jamb (36) receives about halfway up a connecting rod (39) articulated around the rod (25) capable of pivoting in a vertical plane.
  • the other end of this connecting rod is articulated on the yoke (10).
  • the horizontal connecting parts of the legs (35,36) are equipped with non-slip pads (30,31).
  • the base and the seat have two contact points, namely on the one hand the yoke (10) and on the other hand, the sliding yoke (7).
  • the yoke (10) is integral with the seat spar (2) and allows the leg (35) to slide relative to this spar (2).
  • the sliding yoke (7) is fixed to the upper end of the front leg (36) of the base. It allows the armrest rod (5) to slide relative to the base.
  • the armrest (4) is connected to the leg rest (2) by a ball joint (20), a detail of which is presented in FIG. 4.
  • the sliding rod (5) is housed in the front end of the armrest (4 ).
  • This cylindrical end (50), of axis (51) perpendicular to the plane of symmetry of the chair, is extended towards the inside of the chair by another cylinder (52) of the same radius in receiving the upper end (53) of the legrest (3).
  • the pivoting between these two pivoting cylinders about the same axis can be ensured by a friction washer (54). In a variant, this washer (54) is eliminated.
  • This eccentric (8) is integral with the sliding yoke (7) and can pivot around an axis parallel to the sliding axis.
  • This eccentric (8) includes a hole with a diameter close to that of the sliding rod (5), but the center of which is slightly offset from the pivot axis.
  • the base remains fixed, and therefore the seat rails (2) are also stationary.
  • the two yokes (21) and (22) are therefore fixed points too.
  • the backrest and the legrest will therefore pivot around (21) and (22) following the front or rear movement of the rod (5) of the armrest.
  • the eccentric When sliding is authorized, that is to say when you want to change the inclination of the chair, the eccentric is pivoted so that the hole in the eccentric (8) is aligned with the sliding rod. Conversely, when you want to block the inclination and keep the chair in the chosen position, you rotate the eccentric (8) so that the hole no longer coincides with the sliding rod (5). In this way, the inner edge of the eccentric hole (8) comes into contact with the sliding rod (5) and by friction prevents it from sliding.
  • the unfolding of the chair is obtained by the reverse approach.
  • the armrest is integral with the backrest. In this way, the seated person can benefit from the support of the armrest whatever the inclination of the seat. In addition, access to the locking member (8) is easy, because it is directly located under the cover of the armrest (4).

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
EP95420168A 1994-06-30 1995-06-27 Ruhesessel Expired - Lifetime EP0689784B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9408312A FR2721811B1 (fr) 1994-06-30 1994-06-30 Fauteuil de relaxation
FR9408312 1994-06-30

Publications (2)

Publication Number Publication Date
EP0689784A1 true EP0689784A1 (de) 1996-01-03
EP0689784B1 EP0689784B1 (de) 1997-12-29

Family

ID=9465035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95420168A Expired - Lifetime EP0689784B1 (de) 1994-06-30 1995-06-27 Ruhesessel

Country Status (7)

Country Link
US (1) US5570926A (de)
EP (1) EP0689784B1 (de)
JP (1) JP3625527B2 (de)
CA (1) CA2151699C (de)
DE (1) DE69501291T2 (de)
ES (1) ES2110823T3 (de)
FR (1) FR2721811B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU729958B1 (en) * 2000-04-17 2001-02-15 Ming-Tai Huang Pinch preventing mechanism for a collapsible chair
EP2292121A1 (de) 2009-09-03 2011-03-09 Thom H. v.d. Boon B.V. Klappstuhl
WO2014180325A1 (zh) * 2013-05-09 2014-11-13 Zou Jianhan 一种电动休闲躺椅

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2191904C (en) * 1996-12-03 2000-02-15 Lausan Chung Hsin Liu Rod member connector for a folding chair
US5913572A (en) * 1997-07-28 1999-06-22 Grimaldi; Camille M. Multi-roller beach chair
US5845969A (en) * 1997-07-28 1998-12-08 Grimaldi; Camille M. Rolling beach lounge chair
US6030032A (en) * 1999-01-19 2000-02-29 Shin Yen Enterprise Co., Ltd. Armrest for a chair
US6755463B2 (en) * 2002-03-04 2004-06-29 Gaetano Lardieri Portable reflexology chair
US6817661B2 (en) * 2002-11-20 2004-11-16 Edward Zheng Collapsible chair with sliding rigid armrest
US6692068B1 (en) * 2003-02-05 2004-02-17 Lai-Fu Tang Deck chair
US6902231B1 (en) * 2004-06-01 2005-06-07 Taiwan Shin Yeh Enterprise Co., Ltd. Collapsible chair
USD556468S1 (en) * 2004-06-08 2007-12-04 Lafuma S.A. Armchair frame
USD532621S1 (en) * 2004-07-29 2006-11-28 Kuan-Meng Lin Reclining chair
CN2726411Y (zh) * 2004-08-18 2005-09-21 刘宗信 一种折叠躺椅
CN1299620C (zh) * 2004-12-24 2007-02-14 崔忠民 多功能折叠式椅子
US7156456B1 (en) * 2006-08-22 2007-01-02 Chih-Liang Chen Foldable chair
US7628450B2 (en) * 2006-09-05 2009-12-08 The Coast Distribution System, Inc. Collapsible chair
US7950734B2 (en) * 2007-09-18 2011-05-31 Edward Zheng Recliner with locking mechanism
US20110018313A1 (en) * 2009-07-24 2011-01-27 Chuen-Jong Tseng Foldable chair frame
USD650601S1 (en) * 2010-01-14 2011-12-20 Lafuma S.A. Seat
USD672161S1 (en) * 2011-10-15 2012-12-11 Mcdowell Janet Chair
US8905471B2 (en) * 2012-10-19 2014-12-09 Cohesion Products, Llc Collapsible chair with table
USD773221S1 (en) * 2014-10-29 2016-12-06 FIMAX International Co., Ltd Collapsible chair
US20170055711A1 (en) * 2015-08-25 2017-03-02 Jgr Copa, Llc Folding Chair with Bulbous Chair Adjustment Mechanism
FR3058303B1 (fr) * 2016-11-10 2018-11-23 Lafuma Mobilier Sas Fauteuil pliable et inclinable
USD848755S1 (en) * 2017-10-03 2019-05-21 Bliss Hammocks Inc. Wheeled gravity free recliner
CN210471557U (zh) 2018-12-11 2020-05-08 浙江泰普森实业集团有限公司 一种折叠椅
US11185165B2 (en) * 2020-01-21 2021-11-30 Libin Chen Armchair
CN216702063U (zh) 2021-11-26 2022-06-10 浙江泰普森实业集团有限公司 一种椅架和具有该椅架的折叠椅
USD1098770S1 (en) * 2022-12-21 2025-10-21 Lost Winds Collective Pbc Chair
USD1098769S1 (en) * 2022-12-21 2025-10-21 Lost Winds Collective Pbc Chair with cover
US12207736B1 (en) * 2023-10-04 2025-01-28 Alexander Chan Seating apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2195091A (en) 1937-04-29 1940-03-26 Lorenz Anton Foldable reclining chair

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US388350A (en) * 1888-08-21 Chair
NL285079A (de) *
US532676A (en) * 1895-01-15 Portable dental chair
GB343519A (en) * 1929-11-20 1931-02-20 Taylor Bros Sandiacre Ltd Improvements in folding chairs and the like
CA325690A (en) * 1931-09-15 1932-09-06 Edward Taylor Herbert Folding chair
US2649138A (en) * 1948-11-02 1953-08-18 Rexart Metal Ind Inc Folding chair
GB693774A (en) * 1950-11-21 1953-07-08 Norman Colin Brown Improvements in or relating to foldable chairs
US2710645A (en) * 1951-03-09 1955-06-14 Norman P Martin Foldable reclining article of furniture
US3037811A (en) * 1957-11-20 1962-06-05 Telescope Folding Furniture Co Collapsible chair
US3094358A (en) * 1959-03-31 1963-06-18 Bunting Company Inc Separator means for webbing
US3099478A (en) * 1962-12-17 1963-07-30 Bunting Company Inc Folding contour chaise
US5464270A (en) * 1994-07-29 1995-11-07 Chang; I-Shan Stageless folding deck chair

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2195091A (en) 1937-04-29 1940-03-26 Lorenz Anton Foldable reclining chair

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU729958B1 (en) * 2000-04-17 2001-02-15 Ming-Tai Huang Pinch preventing mechanism for a collapsible chair
EP2292121A1 (de) 2009-09-03 2011-03-09 Thom H. v.d. Boon B.V. Klappstuhl
WO2014180325A1 (zh) * 2013-05-09 2014-11-13 Zou Jianhan 一种电动休闲躺椅
US9820578B2 (en) 2013-05-09 2017-11-21 Jianhan Zou Power leisure reclining chair

Also Published As

Publication number Publication date
JP3625527B2 (ja) 2005-03-02
FR2721811A1 (fr) 1996-01-05
EP0689784B1 (de) 1997-12-29
US5570926A (en) 1996-11-05
CA2151699C (fr) 2005-04-26
DE69501291D1 (de) 1998-02-05
ES2110823T3 (es) 1998-02-16
FR2721811B1 (fr) 1996-08-02
DE69501291T2 (de) 1998-04-16
CA2151699A1 (fr) 1995-12-31
JPH0838297A (ja) 1996-02-13

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