EP1487303A1 - Chaise pliante compacte - Google Patents

Chaise pliante compacte

Info

Publication number
EP1487303A1
EP1487303A1 EP03710616A EP03710616A EP1487303A1 EP 1487303 A1 EP1487303 A1 EP 1487303A1 EP 03710616 A EP03710616 A EP 03710616A EP 03710616 A EP03710616 A EP 03710616A EP 1487303 A1 EP1487303 A1 EP 1487303A1
Authority
EP
European Patent Office
Prior art keywords
pivotally connected
backrest
sitting base
rear legs
legs
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Withdrawn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
EP03710616A
Other languages
German (de)
English (en)
Other versions
EP1487303A4 (fr
Inventor
Shing Chi Tsang
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 EP1487303A1 publication Critical patent/EP1487303A1/fr
Publication of EP1487303A4 publication Critical patent/EP1487303A4/fr
Withdrawn legal-status Critical Current

Links

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
    • A47C4/08—Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/14—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs
    • A47C4/16—Folding 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
    • 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
    • A47C4/08—Folding chairs with inflexible seats having a frame made of wood or plastics
    • A47C4/10—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe
    • A47C4/14—Folding chairs with inflexible seats having a frame made of wood or plastics with legs pivotably connected to seat or underframe with cross legs

Definitions

  • the present invention relates to a folding chair that has an improved folding manner for easy transport and with less space of storage in the said folded position.
  • folding chairs are devised and utilized for the purpose of providing a seat that folds up for easy storage and transport. It is basically consist of familiar, expected and obvious structural configurations, notwithstanding the myriad of designs encompassed by the most prior art which have been developed for the fulfillment of countless objectives and requirements.
  • It is therefore an object of the present invention is to provide all the advantages of the prior art folding chairs and none of the disadvantages. It is the general object of the present invention is to provide compact folding chair to facilitate transport and storage of the folding chair.
  • Still another object of the present invention is to provide locking element where the chair will lock automatically once the chair is in opened out position.
  • the opened out position which is extremely stable and eliminates the possibility of collapsing when the chair is being placed into such position of use.
  • the further object of the present invention is to provide improved multi position chair having an adjustable inclined backrest to enable user to adjust desirable position according to their comfortability.
  • the preferred embodiment of present invention essentially comprises of a sitting base being pivotally connected to the backrest by a plurality of connecting means and supported by a plurality of legs.
  • the said legs consist of a pair of rear legs and a set of front legs, whereby the upper end of the front legs are connected to the said sitting seat by connecting means.
  • a sliding bar is place to connect the said backrest and said rear legs by a plurality of connecting means in order to the said backrest to be rested on the said rear legs.
  • the opening and closing of the chair is governed by a tie bar which link the lower part of the said backrest and said front legs, wherein to prevent the said backrest from expanding to further unstable position.
  • a set of blocks is placed between the said sliding bar and the said tie bar in order to parallel the connecting of the said backrest to the said front legs.
  • the said two pair of legs, sitting base, backrest, tie bars, sliding bars and blocks can be brought together thereby producing an extremely compact folded position to the chair for less space during transport and storage.
  • the said chair is locked automatically when in opened position by a locking mechanism comprises of a locking bar which is mounted on the underside of the said sitting base.
  • the locking must be manually moved into release position in order to unlock and fold the chair.
  • the alternative embodiment of the present invention comprises of a backrest, whereby the said backrest is cut into two to form an upper portion and a lower portion, and connected by a bracket having at least two holes in order to provide inclined position for the said upper portion of backrest; and a sitting seat base being pivotally connected to the said lower portion of backrest by a plurality of connecting means and supported by a plurality of legs.
  • the said legs consist of a pair of rear legs and a pair of front legs.
  • a pair of armrests is pivotally connected to the said upper portion, wherein the said each armrest having a track with plurality of stoppers at the lower side of the said armrest.
  • the said rear legs is pivotally connected to the front end side of the said sitting base by connecting means and to the said lower portion of backrest by a set of sliding bars with connecting means.
  • the said pair of front legs is pivotally connected to the front end side of the said sitting base with connection means.
  • the upper end side of the said front leg is attached with a connector, whereby the said connector is served as a guide element to slide within the said track to enable the user to adjust positions in relation of comfortability to the horizontal plane or the seat of the chair.
  • a first set of sliding bars is pivotally connected at the lower end side of said backrest and to the said rear legs in order to slide the backrest to rest on the said rear legs when in open out position.
  • a second set of sliding bars is pivotally connected at the front end side of the said sitting base and to the second set of tie bars.
  • a first set of level blocks is mounted at the first set of the said sliding bars with connecting means.
  • a second set of level blocks is mounted at the said rear legs with connecting means. Both sets of the said level blocks are used to provide parallel level for the connection of two components.
  • a first set of tie bars is pivotally connected to the said front legs and to the first set of the said block; so as to keep the said backrest resting on the said rear legs when in open out position.
  • a second set of tie bars is pivotally connected to the second set of the said sliding bars and to the first set of said block in order to provide stability of the said sitting base in open out position.
  • Figure 1 is a side view of the folding chair according to the preferred embodiment of the present invention in its open condition.
  • Figure 2 is a front view of the sitting base.
  • Figure 3 illustrates the locking mechanism with the locking bar in its locking position.
  • Figure 4 illustrates the locking mechanism with the locking bar in its release position.
  • Figure 5 is a side view of the folding chair according to the preferred embodiment of the present invention in its folded condition.
  • Figure 6 is a side view of the folding chair according to the alternative embodiment of the present invention in its open condition.
  • Figure 7 is a side view of the folding chair according to the alternative embodiment of the present invention in its folded condition.
  • Figure 1 shows the compact folding chair of the preferred embodiment.
  • the sitting base (2) being pivotally connected to the backrest (1) with inclined surface at the lower end with connection means (10) which could be nuts and bolt assemblies, fasteners, screws, snaps, clamps, clips or other such equivalents that could be used to secure one surface to another.
  • a pair of inclined rear legs (3) is pivotally connected to the front end side of the said sitting base (2) with connecting means (11) , whereby the said inclined surface of the said backrest (1) is rested on the said rear legs (3) when in open out position.
  • a pair of inclined front legs (4) is pivotally connected to the front end side of the said sitting base (2) with connecting means (11) .
  • a set of sliding bars (7) wherein one end of the said sliding bar (7) is pivotally connected at the lower end side of the said backrest (1) with connecting means (6) and the other end is pivotally connected to the said rear legs (3) with connecting means (8) to enable the said backrest (1) to be rested on the said rear legs (3) when in open out position.
  • a set of level blocks (5) is mounted at the said sliding bars
  • FIGs 2,3 and 4 show the said sitting base (2) and a locking bar (14).
  • the locking mechanism in this embodiment comprises a locking bar (14) extending laterally across the width of the said sitting base (2) and mounted on the underside of the said sitting base (2) .
  • the said locking bar (14) is loosely located in substantially triangular-shape recesses (15) and biased into the locking position shown in Figure 3 under the action of gravity, as represented by the arrow (13) .
  • the user In order to close the chair, the user must temporarily dislodge the said locking bar (14) by moving the said locking bar (14) into release position, as shown by the arrow (16) in Figure 4.
  • the user In order to close the chair, the user must temporarily dislodge the locking bar (14) from the said recesses (15) by moving the said locking bar (14) into the release position.
  • the said front legs (4) are then free to move to close the chair. Once the said front legs (4) have passed the locking bar (14), the latter will drop back under the action of gravity. The chair is now in folded position with the size of the said backrest (1) and the said rear legs (3) from the side view as shown in Figure 5.
  • a backrest (17) comprises of upper portion (17a) and lower portion (17b) having inclined surface at the lower end which are connected by a bracket (24) having at least two holes.
  • the said upper portion (17a) is connected to the said bracket (24) by connecting means (28) and the said lower portion (17b) is connected to the said bracket (21) by connecting means (29) .
  • a pair of ulti position armrest (18) having a track (22) at the bottom surface of the said armrest (18) is connected to the lower end side of the said upper portion (17a) by connecting means (27) .
  • a pair of inclined rear legs (20) is pivotally connected to the front end side of the said sitting base (18) with connecting means (33) , whereby the said inclined surface of the said lower portion (17b) is rested on the said rear legs
  • the said connector (23) is pivotally connected to the front end side of the said sitting base (18) with connecting means (33) .
  • the upper end side of the said front leg is attached with a connector (23) , whereby the said connector (23) is served as a guide element to slide within the said track (22) so as to enables each armrest (18) to pull forward and push backward when the chair is in its open out position.
  • the said track (22) having plurality of stopper which cooperates with the said connector (23) to enable user to have various of backrest desired inclined position by simply adjust the both armrest.
  • Two sets of sliding bars, two sets of tie bars and two sets of level blocks are used in the preferred embodiment.
  • First set of sliding bars (26) wherein one end of the said first set of sliding bar (26) is pivotally connected at the lower end side of the said lower portion (17b) with connecting means (31) and the other end is pivotally connected to the said rear legs (20) with connecting means (32) to enable the said lower portion (17b) to be rested on the said rear legs (20) when in open out position.
  • Second set of sliding bars (35) wherein one end of the said second set of sliding bar (26) is pivotally connected at the front end side of the said sitting base (18) with connecting means (33) and the other end is pivotally connected the first set of tie bars (36) with connecting means (38).
  • First set of level blocks (39) is mounted at the said first set of sliding bars (26) with connecting means (31) at the same position with the said sliding bars (26) and the said lower portion (17b) to parallel the level between the said first set of sliding bars (26) and the second set of tie bars (36) .
  • the said first set of tie bars (36) wherein one end of the said first set of tie bar (36) is pivotally connected at the lower end side of the said lower portion (17b) with connecting means (31) and the other end is pivotally connected to the said second set of sliding bars (35) .
  • Second set of the said tie bars (25) wherein one end of the said second set of tie bar (25) is pivotally connected at the said front legs (21) with connecting means (34) and the other end is pivotally connected at the said lower portion (17b) with connecting means (38) in order to provide stable condition and avoid collapse of the chair.
  • the locking mechanism of the alternative embodiment is the same as the preferred embodiment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

Cette invention concerne une chaise pliante compacte comprenant d'une part une assise (19) rattachée pivotante à un dossier (17), l'assise et le dossier reposant sur deux ensembles de pieds (20, 21) et d'autre part un mécanisme de verrouillage (14, 15, 16). Un ensemble de blocs de niveau (39), une paire de barres coulissantes (26) et une paire de barres de raccordement (36) sont disposés de sorte que la chaise puisse être pliée de manière compacte. Dans un autre mode de réalisation, le dossier est divisé en deux parties (17a, 17b) et comprend des accoudoirs (18) équipés d'un rail (22) pourvu d'une pluralité de butoirs permettant de régler l'angle de la partie supérieure (17a) du dossier. Dans ce mode de réalisation, on utilise un second ensemble de blocs de niveau (37), de barres coulissantes (35) et de barres de raccordement (25).
EP03710616A 2002-03-12 2003-03-10 Chaise pliante compacte Withdrawn EP1487303A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
MY2000888 2002-03-12
MYPI20020888 2002-03-12
PCT/SG2003/000048 WO2003075717A1 (fr) 2002-03-12 2003-03-10 Chaise pliante compacte

Publications (2)

Publication Number Publication Date
EP1487303A1 true EP1487303A1 (fr) 2004-12-22
EP1487303A4 EP1487303A4 (fr) 2006-06-07

Family

ID=27800728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03710616A Withdrawn EP1487303A4 (fr) 2002-03-12 2003-03-10 Chaise pliante compacte

Country Status (6)

Country Link
US (1) US20050140182A1 (fr)
EP (1) EP1487303A4 (fr)
AU (1) AU2003214785B2 (fr)
CA (1) CA2479101A1 (fr)
NZ (1) NZ535669A (fr)
WO (1) WO2003075717A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101396210B (zh) * 2007-09-28 2011-06-08 冷鹭浩 一种折叠梯凳及折叠梯吧及折叠椅
CN104382407A (zh) * 2014-11-21 2015-03-04 广西大学 可折叠伸缩式座椅
CN104433402B (zh) * 2014-11-28 2017-08-15 叶佳 一种折叠坐具
US10588423B1 (en) * 2017-07-26 2020-03-17 Michelle Adkins Folding booster chair

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300201A (en) * 1927-11-08 1929-08-29 Nufold Furniture Company Folding chairs
GB654770A (en) * 1948-04-23 1951-06-27 Bertie Clayton A new or improved folding chair

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348633A (en) * 1944-05-09 Chair
US282273A (en) * 1883-07-31 Adam collignoisr
US1879487A (en) * 1930-03-06 1932-09-27 Rastetter William Charles Folding armchair
US1984699A (en) * 1930-07-16 1934-12-18 Rastetter William Charles Combination folding chair and table
US2072075A (en) * 1935-02-07 1937-02-23 Mahoney Chair Company Folding chair
US2618317A (en) * 1949-11-01 1952-11-18 Telescope Folding Furniture Co Folding chair
US2652882A (en) * 1950-11-14 1953-09-22 Kotler William Folding chair
US3075811A (en) * 1960-12-27 1963-01-29 Ashby Metal Forming Corp Concealed adjustment mechanisms for adjustable furniture
DE3607619A1 (de) * 1986-03-07 1987-09-17 Oswald Brunn Verstellvorrichtung fuer klappmoebel
DE60015290T2 (de) * 2000-02-28 2005-10-20 B.T. Furnishing Sdn Bhd, Tawau Klappstuhl

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300201A (en) * 1927-11-08 1929-08-29 Nufold Furniture Company Folding chairs
GB654770A (en) * 1948-04-23 1951-06-27 Bertie Clayton A new or improved folding chair

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03075717A1 *

Also Published As

Publication number Publication date
EP1487303A4 (fr) 2006-06-07
AU2003214785B2 (en) 2007-09-20
WO2003075717A1 (fr) 2003-09-18
US20050140182A1 (en) 2005-06-30
AU2003214785A1 (en) 2003-09-22
CA2479101A1 (fr) 2003-09-18
NZ535669A (en) 2006-02-24

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