EP3087873A1 - Dispositif de suspension de lattes réglables - Google Patents

Dispositif de suspension de lattes réglables Download PDF

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Publication number
EP3087873A1
EP3087873A1 EP15165564.4A EP15165564A EP3087873A1 EP 3087873 A1 EP3087873 A1 EP 3087873A1 EP 15165564 A EP15165564 A EP 15165564A EP 3087873 A1 EP3087873 A1 EP 3087873A1
Authority
EP
European Patent Office
Prior art keywords
spring element
suspension device
spring
top part
abutment surface
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
EP15165564.4A
Other languages
German (de)
English (en)
Other versions
EP3087873B1 (fr
Inventor
Thomas Vanderbeke
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.)
Bekina NV
Original Assignee
Bekina NV
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 Bekina NV filed Critical Bekina NV
Priority to EP15165564.4A priority Critical patent/EP3087873B1/fr
Priority to ES15165564T priority patent/ES2899723T3/es
Publication of EP3087873A1 publication Critical patent/EP3087873A1/fr
Application granted granted Critical
Publication of EP3087873B1 publication Critical patent/EP3087873B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/067—Slat supports adjustable, e.g. in height or elasticity

Definitions

  • the present invention concerns a suspension device for supporting slats of a bedding, in particular a suspension device with an adjustable spring characteristic.
  • Adjustable suspension devices for holding slats of a bedding are known from example given EP1649786 and US20130334746 .
  • a suspension device comprising a base portion comprising slots for attachment to a bedding structure; a top portion for receiving slats therein; and a first spring element comprising two leaf springs extending from the base part to the top part.
  • a second spring element is provided on the base part of the suspension device and extends towards, but not until the top part, whereby the second spring element is configured as a bridge structure on the base part of the device and defines an abutment surface facing the top part of the device.
  • An adjustable member in the form of a notch is provided on the top part, whereby the notch protrudes from the top part in the direction of the abutment surface.
  • the notch In an non tensioned position, the notch is spaced away from the abutment surface but upon tensioning the device, the top part is pressed down, first only biased by the first spring element and upon contact with the abutment surface biased by both the first and second spring elements, thereby changing the spring characteristic.
  • a disadvantage of a suspension device according to EP1649786 is that the spring characteristic can only be varied by altering the distance over which the first spring elements are to be compressed before activation of the second spring element. As such no variation can be achieved from the first moment of compressing the spring, nor can the strength of the variation be altered.
  • Another disadvantage of this suspension device is that when the notch impacts on the abutment surface, a noise is generated which is highly unwanted in the bedding industry.
  • the suspension device comprises a base portion comprising slots for attachment to a bedding structure; a top portion for receiving slats therein; and first and second spring elements comprising extending from the base part to the top part.
  • the second spring element is provided fixed to the base part of the suspension device and comprises a free end that is movably mounted in a guide in the top part, such that upon movement of the free end of the second spring element in the guide, the shape of the second spring element is altered and the spring characteristic is altered.
  • the suspension device according to US20130334746 allows varying the spring characteristic from the first compression of the suspension device, it has the inconvenient that the free end of the second spring element tends to move in the slot during use, thereby altering the spring characteristic unintentionally.
  • Another disadvantage is that when moving the free end to an extreme position as shown in figure 33C of US201 30334746 , results in the second spring element having a major portion extending perpendicularly in view of the base and top parts of the spring element, thereby limiting the distance over which the suspension device can be compressed.
  • the present invention meets the above market needs by providing a suspension device for supporting a mattress comprising:
  • the second spring element is preferably fastened to the base part and to the top part of the device preventing release of the second spring element without use of tools or destroying the suspension device.
  • the first spring element preferably comprises a coil spring and more preferably two coil springs whereby the second spring element is positioned between the first and second coil springs of the first spring element.
  • the base part, first spring element and top part are manufactured in a single piece and even more preferred that the base part, first spring element, second spring element and top part are manufactured in a single piece.
  • the first spring element may be manufactured in a first material while the second spring element is manufactured in a second material different than the first material.
  • the abutment surface extends in a plane parallel to the plane wherein the series of slots or guide extends, whereby the distance D between the top part and the contacting point of the actuating member on the abutment surface is constant for several positions of the actuating member in the device.
  • Figure 1 shows a suspension device according to the present invention comprising a base part 1 comprising slots 2 for attachment to a bedding structure; a top part 3 comprising slots 4 for receiving slats therein; a spring element provided between the base 1 and the top part 3 for resiliently suspending the slats in view of the bedding structure, whereby the spring element comprises at least: a first spring element 5 extending between the base part 1 and the top part 3 of the device; and a second spring element 6 extending between the base part 1 and the top part 3 of the device; and an adjustable member 7 allowing adapting the spring characteristic of the suspension device.
  • the second spring element 6 comprises a first spring portion 6a fixed to the base part 1 and extending towards the top part 3; a second spring portion 6b fixed to the top part 3 and extending towards the base part 1 and a bridge portion 6c connecting the free ends of the first and second spring portions, whereby the first and second spring portions 6a&b are spaced apart in a direction Y perpendicular to the suspension direction Z.
  • the bridge portion 6c defines an abutment surface 8.
  • the adjustable member 7 extends through the top part 3 and is movable in a guide 9 or series of slots provided in the top part 3 and comprises an actuating member 10 that is in contact with the abutment surface, such that repositioning the adjustable member 7 in said guide 9 or series of slots changes the contact position of the actuating member 7 on the abutment surface 8, thereby varying the spring characteristic of the device.
  • the first spring portion 6a consists of a U-shaped resilient element extending -in a non tensioned state, ie when no load is applied on the device - from the base part 1 of the device on a level Z 0 upto a level Z 1 , where the first spring portion 6a extends into the bridge portion 6c.
  • the first spring portion is hereby oriented such that the U-shape extends in the Z-Y plane and the bridge portion extends one of the legs of the U-shape in that Z-Y plane.
  • the second spring element 6b comprises two wing-like structures 11 extending from the level Z 1 to a level Z 2 where it is connected to the top part 3 of the device.
  • the distance from Z 0 to Z 1 is smaller than the distance from Z 0 to Z 2 such that a void is defined between the free end of the first spring portion 6a that is connected to the bridge portion 6c of the second spring element and the top part 3 of the device.
  • the bridge portion 6c defines the abutment surface 8 that in this case faces the top part 3 of the device and extends on a level Z x in between the levels Z 0 and Z 2 .
  • the guide 9 or series of slots provided in the top part 3 of the device extend along the Y direction and hence make it possible to vary the position of the adjustable member and in particular the actuating member 10 in the Y direction.
  • the adjustable member 7 extends in the Z direction through the guide or slot from the level Z 2 to the level Z x where it contacts the abutment surface 8 of the bridge portion 6c.
  • the abutment surface can be defined on a surface of the bridge portion 6c facing the base part 1 of the device, in which case the actuating member 10 comprises a shaped part for contacting the abutment surface 8.
  • the first spring element 5 in this case comprises two coil springs both extending from the base part 1 to the top part 3 of the device, although the type of spring to be used is not limited to coil springs but can be of any desired type such as leaf springs, bulge springs or such.
  • the two springs of the first spring element 5 are preferably spaced apart in the X-direction and are position at opposed sides of the second spring element 6.
  • the device is preferably manufactured in a polymeric material selected from the group comprising: polyolefin, in particular polypropylene or polyethylene; polyester; block-copolymers such as ABS and or admixtures thereof.
  • a polymeric material selected from the group comprising: polyolefin, in particular polypropylene or polyethylene; polyester; block-copolymers such as ABS and or admixtures thereof.
  • the device is manufactured in one single piece, although in order to have more options in varying the spring characteristic of the device the first and second spring elements can be manufactured in different materials.
  • the second spring element is fixed to or unified with the remainder of the device such that it can not be removed or separated therefrom without the use of tools or destroying the device, the second spring element is not intended to be a easily removable part for altering the spring characteristic.
  • the actuating member 10 In assembled state, irrespective of the tension applied on the suspension device, the actuating member 10 contacts the abutment surface, and any compression of the suspension device due to an increase of load will be biased by the compression force of both the first and second spring elements 5&6. As illustrated in figure 4a-c , depending on the position of the actuating member on the bridge portion 6c of the second spring element 6, the spring characteristic or compression force of the suspension device can be altered.

Landscapes

  • Springs (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP15165564.4A 2015-04-29 2015-04-29 Dispositif de suspension de lattes réglables Active EP3087873B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15165564.4A EP3087873B1 (fr) 2015-04-29 2015-04-29 Dispositif de suspension de lattes réglables
ES15165564T ES2899723T3 (es) 2015-04-29 2015-04-29 Dispositivo de suspensión de listones ajustable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15165564.4A EP3087873B1 (fr) 2015-04-29 2015-04-29 Dispositif de suspension de lattes réglables

Publications (2)

Publication Number Publication Date
EP3087873A1 true EP3087873A1 (fr) 2016-11-02
EP3087873B1 EP3087873B1 (fr) 2021-09-01

Family

ID=53008378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15165564.4A Active EP3087873B1 (fr) 2015-04-29 2015-04-29 Dispositif de suspension de lattes réglables

Country Status (2)

Country Link
EP (1) EP3087873B1 (fr)
ES (1) ES2899723T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3400841A1 (fr) * 2017-05-12 2018-11-14 Tournadre SA Standard Gum Element a raideur reglable pour meuble de couchage ou d'assise
US10932586B2 (en) 2017-05-12 2021-03-02 Tournadre Sa Standard Gum Stiffness adjustment device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1364600A1 (fr) * 2002-05-24 2003-11-26 Delahousse Et Fils Système de réglage de fermeté pour rotule de sommier
EP1649786A1 (fr) 2004-10-21 2006-04-26 Siegbert Hartmann Ferrure pour l'articulation de supports des lattes d'un sommier
EP1836934A1 (fr) * 2006-03-20 2007-09-26 Delahousse Et Fils Elément de suspension pour sommier ou siège du type à lattes ou multi-élémenments muni de moyens de réglage de fermeté
US20130334746A1 (en) 2012-05-23 2013-12-19 Tournadre Sa Standard Gum Suspension device for a bed base with adjustable stiffness

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2945195B1 (fr) * 2009-05-11 2015-08-21 Tournadre Sa Standard Gum Dispositif de suspension de latte comportant un embout et un organe raidisseur.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1364600A1 (fr) * 2002-05-24 2003-11-26 Delahousse Et Fils Système de réglage de fermeté pour rotule de sommier
EP1649786A1 (fr) 2004-10-21 2006-04-26 Siegbert Hartmann Ferrure pour l'articulation de supports des lattes d'un sommier
EP1836934A1 (fr) * 2006-03-20 2007-09-26 Delahousse Et Fils Elément de suspension pour sommier ou siège du type à lattes ou multi-élémenments muni de moyens de réglage de fermeté
US20130334746A1 (en) 2012-05-23 2013-12-19 Tournadre Sa Standard Gum Suspension device for a bed base with adjustable stiffness

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3400841A1 (fr) * 2017-05-12 2018-11-14 Tournadre SA Standard Gum Element a raideur reglable pour meuble de couchage ou d'assise
FR3066087A1 (fr) * 2017-05-12 2018-11-16 Tournadre Sa Standard Gum Element a raideur reglable pour meuble de couchage ou d'assise
US10722042B2 (en) 2017-05-12 2020-07-28 Tournadre Sa Standard Gum Element of adjustable stiffness for beds or seats
US10932586B2 (en) 2017-05-12 2021-03-02 Tournadre Sa Standard Gum Stiffness adjustment device

Also Published As

Publication number Publication date
ES2899723T3 (es) 2022-03-14
EP3087873B1 (fr) 2021-09-01

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