WO2009116033A1 - Meuble et son mécanisme de fixation - Google Patents

Meuble et son mécanisme de fixation Download PDF

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Publication number
WO2009116033A1
WO2009116033A1 PCT/IL2009/000297 IL2009000297W WO2009116033A1 WO 2009116033 A1 WO2009116033 A1 WO 2009116033A1 IL 2009000297 W IL2009000297 W IL 2009000297W WO 2009116033 A1 WO2009116033 A1 WO 2009116033A1
Authority
WO
WIPO (PCT)
Prior art keywords
attachment
fastening
fastening arrangement
attachment element
frame
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
PCT/IL2009/000297
Other languages
English (en)
Inventor
Efraim Haimoff
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.)
Keter Plastic Ltd
Original Assignee
Keter Plastic Ltd
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 Keter Plastic Ltd filed Critical Keter Plastic Ltd
Publication of WO2009116033A1 publication Critical patent/WO2009116033A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/02—Upholstery attaching means
    • A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/06—Special adaptation of seat upholstery or fabric for attachment to tubular chairs
    • 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
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • 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
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/26—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using snap-action elements

Definitions

  • This invention relates to articles of furniture, and in particular to arrangements for attaching and tensioning support portions of furniture to a frame thereof.
  • Articles of furniture in particular those designed to bear upon them a person and/or an object, are often made with a support portion (i.e., for supporting the person and/or object) attached to a frame. Many different means have been designed for performing this attachment.
  • US 3,512,834 discloses a chair formed of aluminum or similar material for a frame member, and ends of webbing strips or lengths are retained in an operative position by either a single retaining member cooperating with and securing an end of each strip of flexible webbing material or a single retaining member cooperating with and simultaneously securing all of the ends of the webbing material strips to an aluminum frame member.
  • US 5,015,034 discloses an upholstery system for a vehicle accessory including a substrate with a U-shaped channel adjacent an edge and including a Hp extending from one wall.
  • a trim member includes spaced locking tabs which underlie the lip for compressibly holding an edge of upholstery material in the channel.
  • pins in the trim ring extend through the material and into apertures in an outer flange of the channel.
  • the locking tabs are formed on the substrate and the trim member includes interengaging locking slots.
  • US 5,662,383 discloses a chair assembly including a frame defining a channel and a deflectable wall, a retainer receivable by the channel and engageable with the deflectable wall, and a web of fabric located in the channel and engageable with the retainer.
  • US 6,540,950 discloses an attachment structure for a load bearing fabric.
  • the attachment structure includes an expandable carrier secured to an unstretched load bearing fabric.
  • the carrier and fabric are stretched together to desired shape and secured to a support frame.
  • US 5,338,091 discloses webbing attached to a furniture frame by a hem and welting, which are laid in a channel and locked in with a strip that is slipped under the webbing and into the channel. This arrangement also holds the locking strip in place. The strip is removable so the the channel. This arrangement also holds the locking strip in place. The strip is removable so the webbing can be cleaned or replaced.
  • the channel can be formed by welding flexible stock to a steel frame of any shape.
  • US 2001/0030453 discloses a backrest for a chair comprising a frame, a membrane, and a back support member.
  • the membrane at least a portion of which is transparent, is attached to the frame and has a first body-contacting surface and an opposite second surface.
  • the back support member is attached to the frame and has a support surface. At least a portion of the support surface contacts the second surface of the membrane, and at least a portion of the back support member is visible through the membrane from the first body-contacting surface thereof.
  • a backrest for a chair comprising a frame having a pair of side members, wherein each of the side members has a lower section and an upper section.
  • the upper section extends rearwardly and outwardly from the lower section so as to form a bowed section therewith.
  • a flexible membrane is attached to and extends between the side members, and has a bowed section corresponding to the bowed section of the side members.
  • the membrane has a first body-contacting surface and an opposite second surface.
  • an article of furniture comprising a frame, at least one support portion attached thereto, and a plurality of attachment mechanisms therebetween, each of the attachment mechanisms comprising a first attachment element fixed to one of the frame and support portion, and a second attachment element fixed to the other of the frame and support portion at a position corresponding to that of the first attachment element, the second attachment element being designed to restrain the first attachment element at a desired position relative thereto so as to resist disengagement of the first attachment element therefrom.
  • the article may be designed such that:
  • the first attachment element comprises a longitudinally extending fastening member comprising a first fastening arrangement
  • the second attachment element comprises a receiving aperture designed to receive therein the fastening member, and a second fastening arrangement; the first and second fastening arrangements being mutually configured for the restraining.
  • the second fastening arrangement may be at least partially disposed within the receiving aperture.
  • the first fastening arrangement may comprise a plurality of longitudinally spaced first engagement elements, with the second fastening arrangement comprising at least one second engagement element, the first and second engagement elements being mutually configured for the restraining.
  • Each of the first engagement elements may be formed as a saw-tooth, with a leading surface thereof being formed at an first angle with respect to the fastening member, and a trailing surface being formed at a second angle substantially perpendicular thereto; the second engagement element being formed as a saw-tooth, with a leading surface thereof, configured to face the leading surface of the first engagement element, being formed at an angle corresponding to the first angle.
  • the first angle may be less that 40°, in particular about 30°.
  • the second attachment element may comprise a disengagement mechanism configured to release the first and second fastening arrangements from one another to facilitate disengagement of the first attachment element therefrom.
  • the disengagement mechanism may comprise a spring element adapted to bias the second fastening arrangement toward the first fastening arrangement when the fastening member is received within the receiving aperture so as to facilitate the restraining, and to allow the second fastening arrangement to be selectively displaced away from the first fastening arrangement to facilitate the disengagement.
  • the disengagement mechanism is formed as a cantilevered member, which may constitute the spring element, the second fastening arrangement being formed thereupon.
  • the disengagement mechanism may further comprise a spring disposed below (i.e., on the side opposite that of the second fastening arrangement) the cantilevered member.
  • the first and second attachment elements may be made of a plastic material. At least one of the first and second attachment elements may be formed integrally with the frame and/or support portion.
  • At least one of the frame and support portion may comprise receptacles configured to receive one of the first and second attachment elements.
  • the frame may comprise at least one of each of the first and second attachment elements.
  • the article may be selected from the group comprising a chair (including chaise lounges, etc.], a sofa, a cot, a bed, and a table.
  • the support portion may be selected from the group comprising a backrest and a seat.
  • an attachment mechanism for connecting a frame and a support portion of an article of furniture comprising a first attachment element configured to be fixed to one of the frame and support portion, and a second attachment element configured to be fixed to the other of the frame and support portion at a position corresponding to that of the first attachment element, the second attachment element being designed to restrain the first attachment element at a desired position relative thereto so as to resist disengagement of the first attachment element therefrom.
  • the article may be designed such that:
  • the first attachment element comprises a longitudinally extending fastening member comprising a first fastening arrangement
  • the second attachment element comprises a receiving aperture designed to receive therein the fastening member, and a second fastening arrangement; the first and second fastening arrangements being mutually configured for the restraining.
  • the second fastening arrangement may be at least partially disposed within the receiving aperture.
  • the first fastening arrangement may comprise a plurality of longitudinally spaced first engagement elements, with the second fastening arrangement comprising at least one second engagement element, the first and second engagement elements being mutually configured for the restraining.
  • Each of the first engagement elements may be formed as a saw-tooth, with a leading surface thereof being formed at an first angle with respect to the fastening member, and a trailing surface being formed at a second angle substantially perpendicular thereto; the second engagement element being formed as a saw-tooth, with a leading surface thereof, configured to face the leading surface of the first engagement element, being formed at an angle corresponding to the first angle.
  • the first angle may be less that 40°, in particular about 30°.
  • the second attachment element may comprise a disengagement mechanism configured to release the first and second fastening arrangements from one another to facilitate disengagement of the first attachment element therefrom.
  • the disengagement mechanism may comprise a spring element adapted to bias the second fastening arrangement toward the first fastening arrangement when the fastening member is received within the receiving aperture so as to facilitate the restraining, and to allow the second fastening arrangement to be selectively displaced away from the first fastening arrangement to facilitate the disengagement.
  • the disengagement mechanism is formed as a cantilevered member, which may constitute the spring element, the second fastening arrangement being formed thereupon.
  • the disengagement mechanism may further comprise a spring disposed below (i.e., on the side opposite that of the second fastening arrangement) the cantilevered member.
  • the first and second attachment elements may be made of a plastic material.
  • At least one of the first and second attachment elements may be formed integrally with the frame and/or support portion.
  • Fig. IA is perspective view of an article of furniture according to the present invention
  • Fig. IB is a close-up bottom view of the interface between a frame and a support portion of the article of furniture illustrated in Fig. IA
  • Fig. 2 A is a bottom perspective view of a first attachment element and a top perspective view of a second attachment element of an attachment mechanism of the article of furniture illustrated in Figs. IA and IB;
  • Fig. 2B is a top perspective view of the first and second attachment elements illustrated in Fig. 2A engaged with one another;
  • Fig.3 is a partial cross-sectional view taken along line IH-III in Fig. 2B;
  • Figs. 4A and 4B are cross-sectional views taken along line IV-IV in Fig. 2A, according to different examples.
  • an article of furniture which is generally indicated at 10, comprising a frame 12 carrying one or more support portions 14 designed to support a person or object resting on the article.
  • the article 10 illustrated in Fig. IA is a chair, it will be appreciated that any similar article may be provided, for example a sofa, a cot, a bed, a table, etc., without deviating from the spirit and the scope of the present invention, mutatis mutandis.
  • a plurality of attachment mechanisms which are generally indicated at 16, fixed to the frame 12 and to corresponding locations on the support portion 14, and spanning therebetween. The attachment mechanisms 16 facilitate attachment of the frame 12 to the support portion 14, and also allow for providing a desired level of tension therebetween.
  • each of the attachment mechanisms 16 comprise a first attachment element 18, and a second attachment element 20, which is adapted to restrain the first attachment element at a desired position relative thereto, so as to resist disengagement of the first attachment element therefrom.
  • the plurality of attachment mechanisms 16 can be used to adjust the tension applied to the edges of the support portion 14, and thus be used to determine its tautness, etc, for example as per a user's requirements.
  • the first attachment element 18 may be formed as a single integral element, and comprises a first anchoring portion 22 designed to anchor the first attachment element to the frame 12 of the article 10, and an fastening member 24 having a proximal end 24a attached to the anchoring portion and a distal end 24b opposite thereto, and extending longitudinally therefrom for fastening to the second attachment element 20.
  • the fastening member 24 is formed with a first fastening arrangement 26, which will be described herein below.
  • the fastening member comprises a gripping portion 25 at its distal end 24b, designed to facilitate gripping thereof by a user.
  • the gripping portion may be a through-going hole as illustrated, knurling, or any other appropriate design.
  • the second attachment element 20 is designed to be anchored to the support portion 14 of the article 10, and comprises a receiving aperture 28 which is designed to receive therein the fastening member 24 of the first attachment element 18 when inserted via an insertion opening 28a thereof.
  • the second attachment element 20 is provided with a second fastening arrangement 30, which will be described herein below, and which is at least partially disposed within the receiving aperture and located to as to engage the first fastening arrangement 26 when the fastening member 24 is received within the receiving aperture 28.
  • the first and second fastening arrangements 26, 30 are mutually configured to facilitate the restraining of the first attachment element 18 at a desired position relative to the second attachment element 20, so as to resist disengagement of the first attachment element therefrom as described above.
  • the first fastening arrangement 26 comprises a plurality of first engagement elements 32 longitudinally arranged on the fastening member 24 and longitudinally spaced from one another.
  • the second fastening arrangement 30 comprises at least one second engagement element 34 mutually configured for facilitating the restraining as described above.
  • the first and second engagement elements 32, 34 are formed as saw-teeth, i.e., protrusions having a generally triangular profile.
  • Each engagement element 32, 34 comprises a leading surface 36, 38 which is formed at an acute angle a (for example, below 40°, or more particularly 30°) to its respective fastening arrangement 26, 30, and a trailing surface 40, 42 which is formed at an angle ⁇ which is substantially perpendicular (for example exceeding about 80°) to its respective fastening arrangement.
  • the leading surfaces 36, 38 should be formed at similar angles to one another and disposed so as to face one another when the distal end 24b of the fastening member 24 is inserted into the insertion opening 28a of the receiving aperture 28.
  • the angle a should be chosen such that it when the distal end 24b of the fastening member 24 is inserted into the insertion opening 28a of the receiving aperture 28 and advanced distally therein, the first and second engagement elements 32, 34 easily slide past one another and do not substantially hinder the advancement.
  • the angle ⁇ should be chosen such that when the trailing surfaces 40, 42 of the first and second engagement elements 32, 34 bear upon one another, proximal movement of the fastening member 24 within the receiving aperture 28 is hindered. (It will be appreciated that while adjacent surfaces are illustrated in Fig. 3 as being separated by a small gap, this is done for illustrative purposes only, and in fact adjacent surfaces may contact and/or bear upon one another.)
  • the second attachment element 20 may further comprise a disengagement mechanism 44, configured to release the first and second fastening arrangements 26, 30 from one another in order to facilitate disengagement of the first attachment element 18 from the second attachment element.
  • the disengagement mechanism 44 may comprise a spring element, for example in the form of a cantilevered member 46, which carries the second fastening arrangement 30 thereupon, e.g., the second fastening arrangement may be formed on the cantilevered member.
  • the cantilevered member 46 is designed to bias the second fastening arrangement 30 toward the first fastening arrangement 26 when the fastening member 24 is received within the receiving aperture 28.
  • a separate spring 48 constituting the spring element, may be provided below the cantilevered member 46 (i.e., on a side opposite the second fastening arrangement 30), so as to bias the second fastening arrangement as described above.
  • the cantilevered member 46 does not have to exhibit any spring characteristics by itself, i.e., it need not be adapted to bias the second fastening arrangement 30 at all.
  • the cantilevered member may be hingedly attached to the second attachment element 20.
  • a spring 48 in the form of a helical spring is illustrated in Fig. 4B, it will be appreciated that any appropriate spring, e.g., a torsion or a volute spring, may be used without departing from the sprit and scope of the present invention, mutatis mutandis.
  • the fastening member 24 when the fastening member 24 is received within the receiving aperture 28, and restrained therein as described above, it may be released therefrom by activating the disengagement mechanism. Specifically, the cantilevered member 46 is displaced such that the second fastening arrangement 30 is displaced away from the first fastening arrangement 26, thus disengaging them from one another, and allowing the fastening member 24 to be advanced proximally within the receiving aperture 28.
  • the cantilevered member 46 When the cantilevered member 46 is released, it is biased back into its original position by the spring element (i.e., by the cantilevered member 46 by itself or by the spring 48) such that the second fastening arrangement 30 engages the first fastening arrangement 26, hindering the proximal advancement of the fastening member 24 within the receiving aperture 28.
  • the spring element i.e., by the cantilevered member 46 by itself or by the spring 48
  • the first and second attachment elements 18, 20 may be formed integrally with the frame 12 and support portion 14, respectively, or one or both may be formed separately therefrom. It will further be appreciated that within a single article 10, some of the first and/or second attachment elements 18, 20 may be formed separately from the frame 12 and support portion 14, and some may be formed integrally therewith.
  • the frame 12 and/or support portion 14 may be formed with appropriate receptacles (for example as indicated at 50 in Fig. IB) to receive therein its respective attachment element.
  • the attachment mechanisms 16 may be made of any appropriate material, for example plastic, which is semi-flexible, i.e., flexible enough to allow for the necessary manipulation to install and use it, and rigid enough so that it won't be easily displaced once installed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

La présente invention concerne un meuble comprenant un cadre, au moins une partie support étant fixée à celui-ci, et une pluralité de mécanismes de fixation entre ceux-ci. Chacun des mécanismes de fixation comprend un premier élément de fixation fixé à un parmi le cadre et la partie support, et un second élément de fixation fixé à l’autre parmi le cadre et la partie support en une position correspondant à celle du premier élément de fixation. Le second élément de fixation est conçu pour retenir le premier élément de fixation en une position souhaitée par rapport à celui-ci de façon à résister à la libération du premier élément de fixation à partir de celle-ci.
PCT/IL2009/000297 2008-03-17 2009-03-16 Meuble et son mécanisme de fixation Ceased WO2009116033A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6461508P 2008-03-17 2008-03-17
US61/064,615 2008-03-17

Publications (1)

Publication Number Publication Date
WO2009116033A1 true WO2009116033A1 (fr) 2009-09-24

Family

ID=40933723

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2009/000297 Ceased WO2009116033A1 (fr) 2008-03-17 2009-03-16 Meuble et son mécanisme de fixation

Country Status (1)

Country Link
WO (1) WO2009116033A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH710131A1 (de) * 2014-09-19 2016-03-31 Sitag Ag Stuhlbespannung.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645120A (en) * 1925-09-17 1927-10-11 John W Sterbenz Panel-fastening means
US5459907A (en) * 1992-11-04 1995-10-24 Itw De France Annular fastening device
DE10112400A1 (de) * 2001-03-13 2002-10-02 Fraunhofer Ges Forschung Verfahren zum Polstern von Sitzkomponenten
DE20212183U1 (de) * 2002-08-07 2002-11-14 Werkzeug-Technik Schmitz GmbH, 53840 Troisdorf Zweiteiliger Kabelbinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645120A (en) * 1925-09-17 1927-10-11 John W Sterbenz Panel-fastening means
US5459907A (en) * 1992-11-04 1995-10-24 Itw De France Annular fastening device
DE10112400A1 (de) * 2001-03-13 2002-10-02 Fraunhofer Ges Forschung Verfahren zum Polstern von Sitzkomponenten
DE20212183U1 (de) * 2002-08-07 2002-11-14 Werkzeug-Technik Schmitz GmbH, 53840 Troisdorf Zweiteiliger Kabelbinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH710131A1 (de) * 2014-09-19 2016-03-31 Sitag Ag Stuhlbespannung.

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