EP0331974A1 - Meuble pliant avec support d'accoudoir - Google Patents

Meuble pliant avec support d'accoudoir Download PDF

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Publication number
EP0331974A1
EP0331974A1 EP89103076A EP89103076A EP0331974A1 EP 0331974 A1 EP0331974 A1 EP 0331974A1 EP 89103076 A EP89103076 A EP 89103076A EP 89103076 A EP89103076 A EP 89103076A EP 0331974 A1 EP0331974 A1 EP 0331974A1
Authority
EP
European Patent Office
Prior art keywords
sliding block
hinge
support
seat
joint
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.)
Ceased
Application number
EP89103076A
Other languages
German (de)
English (en)
Inventor
Hendrik Dekkers
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.)
HARTMAN GROEP BV
Original Assignee
HARTMAN GROEP BV
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 HARTMAN GROEP BV filed Critical HARTMAN GROEP BV
Publication of EP0331974A1 publication Critical patent/EP0331974A1/fr
Ceased 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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A47C7/543—Supports for the arms movable to inoperative position
    • 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
    • A47C1/024—Reclining 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
    • A47C1/026—Reclining 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
    • A47C1/0265—Reclining 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms

Definitions

  • the invention relates to a folding piece of furniture, consisting of a seat with a base, a backrest, two armrests which are articulated to the backrest above the seat, two support supports, each supporting an armrest from below, and two articulated connections, which in the rear area of the seat are mounted opposite each other and in each of which a spar end of the seat and the backrest and each support support come together and are held together via rotary connections.
  • the folding furniture as usual, has two armrests.
  • the above-mentioned folding furniture means those which are designed either as folding armchairs, benches or as folding beds. Armchairs, backrests and / or armrests can be upholstered.
  • the base frame can be foldable or not foldable. The latter has no relation to the invention.
  • a folding piece of furniture in which the articulated connection, in which a spar part of the seat, the backrest and a support come together, consists of the following parts: a hinge in which the spar parts of the seat and the backrest are connected to one another via a rotation angle comprising an outermost and a folded position, with a common axis, one of the above-mentioned spar parts carries a (preferably flat) joint head and the other spar part carries a joint socket that contacts one another, -
  • a sliding block that supports the armrest support and that is both rotatable and slidable with the Hinge is connected, the sliding block being provided with at least one sliding pin which projects into the area occupied by the joint head and socket, - With guide cutouts in the joint head and in the socket, which coincide with each other on different surfaces depending on the rotational position and form an adjustable guide for the sliding pin protruding into this guide, the sliding block being lockable in at least one position and rotatably arranged in at least one other position
  • folding furniture can be created which can be operated in a very simple manner.
  • the backrest and seat are at an angle of more than 90 ° to each other.
  • This angle is adjustable by the armrest, which lies on the support, is adjustable, for example with the aid of a locking bar, a clamp connection or the like, the inclination of the backrest being adjusted accordingly.
  • the chair is to be folded up, the backrest is folded down onto the seat and if the angle falls below 90 ° (or another, arbitrarily selected angle in this area), the support bracket snaps out of its resting position. It swings down towards the seat, maintaining the position of the bisector between the backrest and seat.
  • the backrest, seat, armrest and armrest support are essentially in one plane.
  • the support itself can also be rotated and is preferably pivoted manually into the desired position.
  • the "folding height" can be reduced further by a correspondingly adapted design of the parts, which can be done, for example, by special troughs which are formed in the seat surface and which accommodate the parts of the armrest and its support.
  • the sliding block which is displaceable relative to the hinge formed from two parts, preferably has an elongated hole guide into which a centrally arranged guide pin protrudes.
  • the sliding block can be moved in translation and rotation relative to the common hinge axis. In the locked position, the translatory movement is stopped and the rotational movement of the backrest and the seat is possible.
  • the sliding block is provided with two guide pins, which are located opposite one another relative to the hinge axis.
  • the sliding block works with only one or even with three or more such pins.
  • the arrangement of the hinge and sliding block is generally chosen so that the socket between the joint head and sliding block is arranged.
  • the joint socket can also be provided on the outside with a cover plate, so that the joint head is completely covered in the area of the hinge.
  • the aforementioned guide sections are essential to the invention. Depending on the size and arrangement of the pivot pins, these must be compatible with one another.
  • the guide cutouts provided for the joint socket are preferably designed such that they comprise two sections connected to one another, namely a radial and a peripheral section. In the radially extending section, the pin can slide back and forth during the translational movement, while the peripherally running sections allow a rotational movement.
  • the guide cutouts of the joint head are matched to these aforementioned cutouts.
  • the joint head preferably has two guide cutouts corresponding to the two guide pins, with which, in cooperation with the corresponding guide cutouts of the joint socket, the slide pin, when the backrest is adjusted to the seat when the adjustment angle falls below 90 °, initially slides out of the locked position into the centered rotational position and then into the direction of rotation of the backrest is taken.
  • the invention also relates to an insulated joint piece which consists of the cut-off spar parts of the seat, the backrest and one armrest each and which has at least the features of the aforementioned claim 1, but optionally also features of further claims can have.
  • the "folding sequence" of a folding piece of furniture 1 is shown schematically in FIGS. 1 to 3.
  • the folding furniture consists of a seat 2, a base 3, a backrest 4, two armrests 5, which are articulated above the seat 2 on the backrest 4, and two support supports 6, each supporting an armrest 5 from below.
  • the armrest 5, as is known per se, is provided on its underside with a locking bar or the like, so that the support bracket 6 can be locked in a certain position which can be changed by the user of the chair.
  • the seat 2, the backrest 4 and the support support 6 each end in so-called spar parts 2 ', 4', 6 ', which are designed as parts of a joint.
  • the aforementioned spar parts 2, ', 4' 6 'therefore come together in a joint 7 at the rear end of the seat 2 and are held together with the aid of this joint via rotary connections.
  • the construction and function of the joint and the joint 7 will be explained in the following tert.
  • the spar parts 2 ', 4', 6 'and other parts of the joint can also form an insulated joint piece, which can also be used in other furniture if necessary. Such a joint piece should therefore also be considered in isolation as an invention in the context of this application.
  • the aforementioned joint or the folding chair described should be able to perform a movement which considerably simplifies the folding of the folding furniture.
  • the support support 6 is automatically released from its rest position below the spar support 5.
  • the arm support is held, for example, by the folding person.
  • the support support 6 also swivels in the direction of the seat and thereby assumes approximately the position of the bisector between the parts 4 and 2. In the end position, all parts are more or less in the same plane.
  • the foot frame 3 can also be folded, as is known in numerous embodiments.
  • FIG. 4 first shows the individual parts in an exploded view. From the spar parts 2 'and 4' of the seat or backrest, a hinge 9 is formed, in which the spar parts 2 ', 4' are connected to each other via an outermost and a retracted position comprising a rotation axis with a common axis 25.
  • One of the aforementioned spar parts (4 '), namely that of the backrest, is designed as a flat joint head 10.
  • the other spar part (2 ') carries a socket 11, wherein the joint head 10 and socket 11 contact each other ren.
  • the socket 11 is formed in the present case as a fork.
  • the outer part of the fork is a cover 12 and protects the hinge from contamination, inspection and interference. It is not essential to the invention.
  • the inner part of the fork therefore forms the actual socket 11.
  • the sliding block 14 has an elongated hole guide 15 in the center, into which a central guide pin 16 projects, which is centrally connected to the socket 11.
  • a screw 17 which can be screwed via a washer and nut 18, 18 ', the three parts 10, 11, 14 mentioned above are held rotatably on one another.
  • the sliding block 14 carries the spar part 6 'of the support.
  • a special locking between the parts 14 and 6 ' is provided, which will be explained with reference to Figures 7 and 8.
  • the folding mechanism it is only important at this point that the armrest support 6 or the spar part 6 'are connected to the sliding block 14.
  • the joint head 10 and the socket 11 are provided with guide cutouts 21, 22 and 19, 20 which coincide with one another on different surfaces, depending on the rotational position.
  • These guide cutouts result in two adjustable guides for two slide pins 23, 24 each protruding into these guides.
  • These slide pins 23, 24 protrude from the underside of the sliding block 14, have a quasi-cylindrical shape and are fixed connected to the sliding block 14. They lie relative to the common hinge axis 25 opposite and adjacent to slot guide 15.
  • the sliding block 14 can be locked in at least one position and rotatably arranged in at least one other position with respect to the hinge 9 or in the specific case with respect to the socket 11. These positions are forced by the adjustable guide in certain folding positions.
  • the socket is provided in the exemplary embodiment with two similarly shaped guide cutouts 19, 20, each of which comprises two interconnected sections 26, 26 ', namely a radial (26') and a peripheral (26) section.
  • the joint head 10 also has two guide cutouts 21, 22, with which, in cooperation with the guide cutouts 19, 20 of the joint socket 11, the sliding pins 23, 24 are positively guided toward the seat when the backrest 4 is adjusted.
  • FIGS. 5 and 6 show details of the hinge 9 together with the sliding block 14 in two essential positions.
  • the folding chair has a sitting position.
  • the spar parts 2 'and 4' of the seat and backrest enclose an angle greater than 90 ° with each other.
  • the sliding block 14 is moved into a locked position.
  • a stop 27 is provided on the joint head 10, which consists of two lateral cheeks 28, 28 ', in which a correspondingly shaped part of the sliding block 14, which has an approximately rectangular shape, slidably drives into it.
  • the sliding block 14 has a tongue 29 which, in the locked position, engages under a cross member 30 fastened to the joint head 10 belonging to the hinge 9 and is held by this cross member 30.
  • the two sliding pins 23, 24 lie in the radial sections 26 of the guide cutouts 19 and 20.
  • All of the above parts, except for the screws, can be made of plastic, this material having the advantage over metal that it has good sliding properties. Since the folding furniture is generally one that is supposed to be weatherproof, the rot resistance of the plastic parts is of great advantage.
  • the hinge 9 here the joint socket 11
  • the hinge 9 has an upstanding border 31 on part of its periphery, so that a rotating space is formed in which the correspondingly rounded support 6 is inserted and held during a rotary movement .
  • the circumferential angle of this border 31 is dimensioned such that there is always a firm hold during the entire, limited rotational movement of the sliding block 14 with the support support.
  • the parts 14, 11 and 10 have a compatible center hole which corresponds to the hinge axis 25.
  • the spar portion 6 'of the support bracket is shown.
  • the support support ends in a holding head 33, which is somewhat pronounced of an open-end wrench.
  • a sliding groove 35 which ends at a stop 36, is milled onto an essentially round disk 34, which can be fitted into the border 31.
  • the head of the bolt 17 is inserted into the sliding groove 35 when it is connected to the sliding block 14.
  • Over one step is another glide track 38 arranged on which the bottom 39 of the sliding block 14 can slide.
  • the sliding block 14 is equipped with two outer pairs of teeth 40, 40 ', which, with the exception of one position below a C-shaped fitting part 37, which is arranged above the slide 38.
  • sliding block 14 and support 6 allows both "tool-free” assembly and disassembly. This embodiment is therefore regarded as essential to the invention and particularly advantageous.
  • Figures 7 and 8 also show how the sliding block is designed from the pin side. Deviations from the described design are of course possible without leaving the scope of protection of the invention.
  • the spar parts 2 ', 4', 6 'and the parts 10, 11, 14 belonging to the joint 7 can also be produced separately and are only to be connected subsequently with correspondingly prepared parts 2, 4, 6.
  • one has an insulated joint piece which essentially also comprises all the elements essential to the invention which have been described and claimed above.
  • the invention therefore also includes such an isolated joint piece.

Landscapes

  • 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 For Special Purposes, Such As Reclining Chairs (AREA)
EP89103076A 1988-03-10 1989-02-22 Meuble pliant avec support d'accoudoir Ceased EP0331974A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807959A DE3807959A1 (de) 1988-03-10 1988-03-10 Klappmoebel mit gestuetzter armauflage
DE3807959 1988-03-10

Publications (1)

Publication Number Publication Date
EP0331974A1 true EP0331974A1 (fr) 1989-09-13

Family

ID=6349384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103076A Ceased EP0331974A1 (fr) 1988-03-10 1989-02-22 Meuble pliant avec support d'accoudoir

Country Status (2)

Country Link
EP (1) EP0331974A1 (fr)
DE (1) DE3807959A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108497799A (zh) * 2018-04-02 2018-09-07 木帆洁 一种防摔折叠安全椅

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6634714B1 (en) * 2001-09-26 2003-10-21 Fisher Dynamics Corporation Sliding pin seat hinge assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR509970A (fr) * 1919-05-30 1920-11-24 Antoine Truffy Siège pliant
US4191419A (en) * 1978-10-26 1980-03-04 Kirkpatrick Michael F Hinge mechanism for folding chairs
DE3233534A1 (de) * 1981-09-11 1983-06-09 Reinhard 7320 Göppingen Regen Zusammenklappbares sitzmoebel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7915377U1 (de) * 1979-05-28 1979-09-13 Regen, Reinhard, 7320 Goeppingen Sitzmoebel in sessel- oder bankform mit in der hoehe veraenderbarer sitzflaeche und neigungsveraenderbarer rueckenlehne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR509970A (fr) * 1919-05-30 1920-11-24 Antoine Truffy Siège pliant
US4191419A (en) * 1978-10-26 1980-03-04 Kirkpatrick Michael F Hinge mechanism for folding chairs
DE3233534A1 (de) * 1981-09-11 1983-06-09 Reinhard 7320 Göppingen Regen Zusammenklappbares sitzmoebel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108497799A (zh) * 2018-04-02 2018-09-07 木帆洁 一种防摔折叠安全椅

Also Published As

Publication number Publication date
DE3807959A1 (de) 1989-09-21
DE3807959C2 (fr) 1990-05-10

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