EP0348274A1 - Fauteuil repliable à positions multiples réglables en inclinaison de dossier et en niveau d'assise - Google Patents

Fauteuil repliable à positions multiples réglables en inclinaison de dossier et en niveau d'assise Download PDF

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Publication number
EP0348274A1
EP0348274A1 EP89401662A EP89401662A EP0348274A1 EP 0348274 A1 EP0348274 A1 EP 0348274A1 EP 89401662 A EP89401662 A EP 89401662A EP 89401662 A EP89401662 A EP 89401662A EP 0348274 A1 EP0348274 A1 EP 0348274A1
Authority
EP
European Patent Office
Prior art keywords
seat
rack
finger
backrest
compass
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Withdrawn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
EP89401662A
Other languages
German (de)
English (en)
French (fr)
Inventor
Marc Ollat
Norbert Kleinklaus
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.)
Grosfillex SAS
Original Assignee
Grosfillex SAS
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 Grosfillex SAS filed Critical Grosfillex SAS
Publication of EP0348274A1 publication Critical patent/EP0348274A1/fr
Withdrawn legal-status Critical Current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
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/026Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • A47C1/0265Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism positioned under the arm-rests
    • 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
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/028Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair
    • A47C1/029Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair by changing the length or the inclination of the legs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20Chairs or stools with vertically-adjustable seats
    • A47C3/36Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
    • 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
    • A47C4/08Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/14Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs
    • A47C4/16Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs of adjustable type

Definitions

  • the present invention relates to a folding chair with multiple positions adjustable in backrest tilt and seat level.
  • a known armchair of this type which the applicant operates, comprises on each side of the seat and the backrest: - a cross brace whose front and rear legs are connected to each other in their substantially middle part by a hinge pin, a seat, the front part of which is connected to the upper part of the rear foot by a hinge pin and the rear part of which is provided with a rack capable of cooperating with a finger projecting from the upper part of the front foot, - a compass, the rear branch of which is pivotally mounted about an articulation axis connecting the lower part of the backrest to the upper part of the front foot, an axis which is located above the finger of the front foot combined with the seat rack , and the front leg of which is connected to the seat by a hinge pin located between the rack thereof and its hinge pin of the front leg, - an armrest, the rear part of which is connected to an intermediate part of the backrest by a hinge pin and the front part is provided with a rack capable of cooperating with a finger projecting from the front arm of the seat
  • each compass In this known armchair, the rear branch of each compass is terminated by a hook which can be clipped elastically so that in the position in which the armchair is used, the hooks can pivot around the axis of articulation of the backrest on the front leg during the backrest tilt adjustment, the hooks must be removed when folding the chair. Furthermore, the fingers of the compass are trapped in the racks of the armrests in a stroke limited to the pivoting of the backrest.
  • folding the chair is relatively awkward and difficult to perform by a single person.
  • deployment it requires some learning and perfectly combined centering on both sides: in the selected notch on the five of each lateral rack for adjusting the seat level and in the selected notch on the four of each lateral rack for the backrest tilt adjustment.
  • This known armchair has a second drawback which results from its folding into a toad by bringing the backrest to the seat by flattening the cross brace, disengaging the hook of the rear branch of each compass and flattening each armrest on the front branch of the compass. corresponding.
  • the folded armchair is difficult to store for storage in a garden shed or a sales store, since due to its shape it is unstable on its support base and awkward to put in lateral support against other . More important from the economic point of view is that the storage capacity in a vehicle of these folded and wedged armchairs in parallelepipedic cardboard packaging is reduced: of the order of 5 to 6 armchairs per cubic meter. Consequently, the cost of transport is relatively high.
  • Kettler Another known chair is marketed by Kettler. Like the previous one, it includes: - a backrest and seat pivotally mounted one on the other, - a cross brace whose two feet, located on each side, are articulated relative to each other and connected to the seat; but the front foot is articulated to the rear part of the seat, while the rear foot has a protruding finger cooperating with an anterior lateral rack of the seat, - armrests articulated on the backrest and extending above the seat, each armrest being supported by an upright which, at the top, has a projecting finger cooperating with a front rack of the armrest considered and, at the bottom, East connected to the seat by a lockable pivot hub for different inclinations using a lever.
  • This chair is even more difficult than the previous one to fold by one person, because it would take three hands if it were not assisted. Furthermore, the tilting mechanism and its lever are relatively fragile and because they are subjected to intense stresses, they break frequently, making the use of the chair dangerous.
  • this chair also folds back into a toad, its storage is awkward and the loading capacity of a vehicle is reduced, leading to a relatively high transport cost.
  • a third known armchair is described in Italian patent application No. 5208 A / 82. It looks more like the first and indeed includes: - a backrest mounted to pivot on each side on a front leg which is articulated on a rear leg in order to constitute a cross brace, - a seat, the front part of which is articulated on each side of the corresponding rear foot and the rear part of which has on each side a rack cooperating with a projecting finger located at the top of the front foot, - armrests articulated on the backrest and extending above the seat, each armrest being supported by a compass, the two arms of which are hinged at the top relative to each other and connected by a finger to a front rack of the armrest in question, - A front arm of the compass having a constant length and a rear telescopic arm, the two parts of which are connected to each other by a push-lock allowing, when actuated, to vary the length of said arm during folding up the chair.
  • This third known armchair has the same drawbacks as the second: inability for a single person to easily fold the armchair, fragility of the two lateral latches which could make the use of this armchair dangerous, storage inconveniently folded up chair and limited transport capacity.
  • the object of the present invention is to remedy the aforementioned drawbacks of known armchairs by making the folding of the armchair as well as its storage without packaging easy and easy, by considerably improving its robustness and by reducing the bulk of the folded and wrapped armchairs such that the storage capacity of transport vehicles is significantly increased, reducing the cost of transport in the same proportion.
  • the armchair of the invention is similar to the first known aforementioned armchair and comprises on each side of the seat and the backrest: - a cross brace whose front and rear legs are connected to each other in their substantially middle part by a hinge pin, a seat, the front part of which is connected to the upper part of the rear foot by a hinge pin and the rear part of which is provided with a rack capable of cooperating with a finger projecting from the upper part of the front foot, - a compass, the rear branch of which is pivotally mounted about an articulation axis connecting the lower part of the backrest to the upper part of the front foot, an axis which is located above the toe of the front foot and whose front branch is connected to the seat by a hinge pin, the two branches being connected to each other at their upper ends by a hinge pin, an armrest, the rear part of which is connected to an intermediate part of the backrest by a hinge pin and the front part is provided with a rack capable of cooperating with a finger projecting from
  • each rear rack of the seat opens above a guide element holding the finger of the corresponding front foot prisoner during the adjustments of the level of this seat, this element delimiting a rear passage towards the low for the finger so that the rack considered can be dislodged.
  • each armrest opens out above a guide element holding the finger of the corresponding compass trapped during the backrest tilt adjustments, these rack and guide element being extended rearwards by a slide allowing the finger to move back without escaping from the armrest considered during the folding of the chair.
  • the finger of the front foot cooperating with the rack of the seat, is located under the axis of articulation of this front foot with the backrest.
  • the compass finger cooperating with the rack of the armrest, is located on the front arm of this compass above its axis of articulation on the rear arm.
  • the hinge pin of the compass on the seat is located between the rack of the seat and the hinge pin of the latter on the rear leg.
  • the folding of the chair can be carried out very easily and effortlessly by a single person; it is carried out flat so that the size of this folded chair is very small; its storage in a garden shed, for example, is very easy by simply pressing against a wall; the loading capacity of such armchairs packed in a truck or other means of transport is significantly increased and the cost of transport thus reduced; moreover, this armchair has a very attractive aesthetic and remarkable comfort in any of its twenty positions; in moreover, the passage from one position to another is very convenient and does not require any learning; Finally, the chair is extremely robust and solid.
  • Figures 1 to 4 show that the chair has: a seat 1 whose lateral members 2 are integral with transverse slats 30, a backrest 4 whose lateral members 5 are integral with transverse slats 6, a base constituted by two lateral cross-pieces 7 possibly interconnected by cross braces not shown, each cross-over base comprising a front foot 8 and a rear foot 9, - side armrests 10, - compasses 11 for supporting these armrests and having two articulated branches, one front 12 and the other rear 13.
  • the lower end of the right member 5 of the backrest 4 and the upper end of the front leg 8 are extended by eyelets 14 and 15, respectively arranged side by side, and crossed by a hinge pin 16 .
  • the front 8 and rear 9 legs of the right frame cross 7 are connected to each other in their substantially middle part by a hinge pin 17 which passes through them.
  • An eyelet 18 extending the upper end of the rear foot 9 is applied against an ear 19 protruding under the front part of the right frame 2 of the seat 1, this eyelet 18 and this ear 19 being connected one to the another by a hinge pin 20 which passes through them.
  • the rear part of the right frame 2 of the seat 1 comprises a rack 21, five notches 22 of which open out above a substantially horizontal guide ramp 23.
  • the notches 22 of the rack 21 are capable of cooperating selectively with a finger 24 projecting from the inner face of the upper end of the right front foot 8 and into the cavity 25 delimited by said rack 21 and said ramp 23.
  • Finger 24 is located slightly under the hinge pin 16 of the front leg 8 on the backrest 4. This finger is trapped in the cavity 25 but the distance from this rack to this ramp is greater than the diameter of the finger so that by lifting the seat 1 and modification of the opening of the cross 7, it is possible to change the locking notch 22 and thus adjust the level of this seat.
  • the rear end of the right armrest 10 is connected to the corresponding frame 5 of the backrest 4 by a hinge pin 26 located above the axis 16.
  • the armrest 10 extends in a direction substantially parallel to the seat 1. Its front part delimits an internal rack 27 of which four notches 28 open above lateral guide ramps 29 by delimiting a cavity 30 in which is held a finger 31 supporting said armrest.
  • the rear branch 13 of the right compass 11 is pivotally mounted around the hinge pin 16 connecting the backrest 4 to the front leg 8.
  • the front leg 12 of this compass is connected to the right frame 2 of the seat 1 by a hinge pin 32 located between the axis 20 and the rack 21.
  • the two branches 12 and 13 of said compass are connected to each other at their upper ends by a hinge pin 33.
  • a bent extension 34 of the upper end of the front arm 12 of the compass extends between the ramps 29 of the right armrest 10 and enters the cavity 30 where the rack is located 27.
  • the extension 34 carries the finger 31 which protrudes on both sides above said ramps 29. The finger is therefore trapped in the cavity 30 and provides support for the armrest 10 by the compass 11 by cooperating with the selected notch 28 of the rack 27. To change the notch , simply lift the armrest and move it forwards or backwards, which has the effect of modifying the inclination of the backrest.
  • Figure 1 shows the chair adjusted for the high seat position.
  • the finger 24 of the front foot 8 is housed in the first notch 22 located at the front of the rack 21 of the seat 1, so that the spider 7 is raised to the maximum;
  • the finger 31 of the compass 11 is housed in the last notch 28 located at the rear of the rack 27 of the armrest 10, so that the backrest 4 is straightened as much as possible.
  • Figure 2 shows the chair adjusted for the low sitting position.
  • the finger 24 is housed in the last notch 22 located at the rear of the rack 21, so that the spider 7 is flattened to the maximum;
  • the finger 31 of the compass 11 is always housed in the last notch 28 located at the rear of the rack 27, so that the backrest 4 is straightened as much as possible although its slope is less steep than in the previous position.
  • Figure 3 shows the chair set for the low reclining position.
  • the finger 24 is housed in the last notch 22 located at the rear of the rack 21, so that the spider 7 is flattened to the maximum;
  • the finger 31 of the compass is now housed in the first notch 28 located at the front of the rack 27 of the armrest 10, so that the backrest 4 is lowered to the maximum and extends substantially in extension of the seat 1.
  • each rack 21 of the seat 1 can be disengaged from the finger 24 of the front foot 8.
  • the guide ramp 23 is interrupted and delimits a rear passage 35 which opens downwards and through which the finger 24 can be extracted, thereby releasing the seat 1 relative to the rear feet 9.
  • each armrest 10 is releasable relative to the finger 31 of the corresponding compass 11.
  • the rack 27 and the ramps 29 are extended by a slide 36 extending rearward.
  • the finger 31 can approach the axis 26 as much as desired for the folding of the chair described in the following.
  • the rack 27 can also be disengaged from the finger 31 as the rack 21 is relative to the finger 24.
  • Another way of defining the invention consists in considering on each side: the deformable triangle, the sides of which consist of the front leg 8, the rear leg 9 and the seat 1, while the vertices consist of the axes 17, 19 and the finger 24, - the deformable convex pentagon, the five sides of which consist of the seat 1, the front arm 12 of the compass, the armrest 10, the backrest 4 and the front leg 8, while the tops are formed by the axis 32, the finger 31, the axes 26, 16 and the finger 24, the rear branch 13 of the compass extending substantially diagonally between axes 16 and 33.
  • FIG. 5 A first alternative embodiment of the chair is illustrated in FIG. 5.
  • the finger 24 cooperating with the rack 21 of the seat 1 is a pin 37 extending coaxially projecting the articulation axis 16 connecting the backrest 4 at the front foot 8.
  • FIG. 6 A second variant embodiment of the chair is illustrated in FIG. 6. According to this variant, the hinge axis 32 of the lower end of the front branch 12 of the compass coincides with the hinge axis 20 of the seat 1 on the rear leg 9.
  • FIG. 7 A third alternative embodiment of the chair is illustrated in FIG. 7.
  • the hinge pin 33 of the arms 12 and 13 of the compass 11 constitutes the finger 31 cooperating with the rack 27 of the armrest.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP89401662A 1988-06-21 1989-06-14 Fauteuil repliable à positions multiples réglables en inclinaison de dossier et en niveau d'assise Withdrawn EP0348274A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8808319 1988-06-21
FR8808319A FR2632840B1 (fr) 1988-06-21 1988-06-21 Fauteuil repliable a positions multiples reglables en inclinaison de dossier et en niveau d'assise

Publications (1)

Publication Number Publication Date
EP0348274A1 true EP0348274A1 (fr) 1989-12-27

Family

ID=9367539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89401662A Withdrawn EP0348274A1 (fr) 1988-06-21 1989-06-14 Fauteuil repliable à positions multiples réglables en inclinaison de dossier et en niveau d'assise

Country Status (8)

Country Link
US (1) US4890881A (ja)
EP (1) EP0348274A1 (ja)
JP (1) JPH02191412A (ja)
CA (1) CA1306177C (ja)
FI (1) FI892874A (ja)
FR (1) FR2632840B1 (ja)
NO (1) NO892547L (ja)
PT (1) PT90911A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0586350A1 (en) * 1992-07-27 1994-03-09 FAST S.p.A. Adjustable deck-chair spring positioning means
US6048029A (en) * 1999-02-24 2000-04-11 Percoco; Gloria P. Swivel beach chair
FR2797166A1 (fr) * 1999-08-05 2001-02-09 Mab Fauteuil reglable
WO2008001093A1 (en) * 2006-06-28 2008-01-03 Colin Tiffany Chair

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730495A (en) * 1996-05-28 1998-03-24 Sears Manufacturing Company Folding seat assembly
US6007150A (en) 1998-03-08 1999-12-28 Milsco Manufacturing Company Motorcycle seat with adjustable backrest
GB2357029B (en) * 1999-12-07 2002-03-13 Tsai Ting Sheng A structure of arm of a folding chair
DE20000612U1 (de) * 2000-01-15 2000-03-30 Frank Wolfgang Sitzmöbel
US6523890B1 (en) * 2000-12-29 2003-02-25 Norman C. Anderson Two-piece chair and table set
CN100388900C (zh) * 2003-11-21 2008-05-21 冷鹭浩 一种折叠椅的折叠结构
US6976733B1 (en) * 2004-12-07 2005-12-20 Bryant Park Restoration Corp. Folding chair with integral table
USD509970S1 (en) * 2005-01-21 2005-09-27 Adams Mfg. Corp. Folding chair
WO2010051665A1 (zh) * 2008-11-07 2010-05-14 Leng Luhao 一种折叠椅
US20110115269A1 (en) * 2009-11-18 2011-05-19 Roeder Barbara J Adirondack-style chair having improved comfort and support
USD801734S1 (en) 2014-12-01 2017-11-07 Retail Space Solutions Llc Shelf management parts
US10154739B2 (en) 2013-12-02 2018-12-18 Retail Space Solutions Llc Universal merchandiser and methods relating to same
USD733449S1 (en) 2014-07-17 2015-07-07 Adams Mfg. Corp. Adirondack chair
US8979185B1 (en) 2014-08-18 2015-03-17 Ray H. Redel Two-position folding chair
AR099780A1 (es) 2015-03-18 2016-08-17 Rambaldo Juan Martín Silla plegable
US10959540B2 (en) 2016-12-05 2021-03-30 Retail Space Solutions Llc Shelf management system, components thereof, and related methods
US20210153656A1 (en) * 2019-11-27 2021-05-27 Wyldly, LLC Folding chair
USD1005714S1 (en) * 2022-09-08 2023-11-28 Taizhou Sukk Technology Co., Ltd. Folding chair

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530438A1 (fr) * 1982-07-23 1984-01-27 Rovera Resine Srl Fauteuil pliant
DE8621958U1 (de) * 1986-01-20 1986-10-02 Rovera Resine S.r.l., Alanno, Pescara Sessel, Stuhl od.dgl.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US192284A (en) * 1877-06-19 Improvement in folding chairs
US552676A (en) * 1896-01-07 Computing beam-scale
US421018A (en) * 1890-02-11 Adjustable chair
US931864A (en) * 1908-10-09 1909-08-24 John T Hall Folding chair.
CH269125A (fr) * 1948-01-14 1950-06-30 Pansera David Chaise pliante.
FR1292210A (fr) * 1960-03-14 1962-05-04 Dispositif de sûreté du verrouillage, notamment, de sièges transformables et sièges munis de ce dispositif

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530438A1 (fr) * 1982-07-23 1984-01-27 Rovera Resine Srl Fauteuil pliant
DE8621958U1 (de) * 1986-01-20 1986-10-02 Rovera Resine S.r.l., Alanno, Pescara Sessel, Stuhl od.dgl.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0586350A1 (en) * 1992-07-27 1994-03-09 FAST S.p.A. Adjustable deck-chair spring positioning means
US6048029A (en) * 1999-02-24 2000-04-11 Percoco; Gloria P. Swivel beach chair
FR2797166A1 (fr) * 1999-08-05 2001-02-09 Mab Fauteuil reglable
WO2008001093A1 (en) * 2006-06-28 2008-01-03 Colin Tiffany Chair
GB2453299A (en) * 2006-06-28 2009-04-01 Colin Tiffany Chair

Also Published As

Publication number Publication date
FI892874A0 (fi) 1989-06-12
CA1306177C (en) 1992-08-11
NO892547L (no) 1989-12-22
FR2632840B1 (fr) 1990-11-16
FI892874A (fi) 1989-12-22
FR2632840A1 (fr) 1989-12-22
NO892547D0 (no) 1989-06-20
JPH02191412A (ja) 1990-07-27
US4890881A (en) 1990-01-02
PT90911A (pt) 1989-12-29

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