EP3019049A1 - Bloc-ressort - Google Patents

Bloc-ressort

Info

Publication number
EP3019049A1
EP3019049A1 EP14736834.4A EP14736834A EP3019049A1 EP 3019049 A1 EP3019049 A1 EP 3019049A1 EP 14736834 A EP14736834 A EP 14736834A EP 3019049 A1 EP3019049 A1 EP 3019049A1
Authority
EP
European Patent Office
Prior art keywords
springs
spring
row
spring core
core according
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
EP14736834.4A
Other languages
German (de)
English (en)
Other versions
EP3019049B1 (fr
Inventor
Wolfgang Grothaus
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.)
Agro Holding GmbH
Original Assignee
Agro Holding GmbH
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 Agro Holding GmbH filed Critical Agro Holding GmbH
Priority to PL14736834T priority Critical patent/PL3019049T3/pl
Publication of EP3019049A1 publication Critical patent/EP3019049A1/fr
Application granted granted Critical
Publication of EP3019049B1 publication Critical patent/EP3019049B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/07—Attaching, or interconnecting of, springs in spring inlays
    • 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
    • A47C7/24—Upholstered seats
    • 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
    • A47C7/34—Seat parts with springs in compression, e.g. coiled

Definitions

  • the invention relates to a spring core according to the preamble of claim 1.
  • Bonnell spring cores a plurality of springs are joined together in a row and connected to one another by helically wound wires which engage in end rings of the individual springs.
  • the invention has for its object to further develop a spring core of the generic type so that it is easier and cheaper to produce and different spring characteristics are easily adjustable. This object is achieved by a spring core with the features of claim 1.
  • Such a spring core can be varied without changing the spatial shape of the individual springs in its suspension behavior, as needed, wherein not only one spring core can be produced substantially without additional effort, which is different from another, but also spring cores with partially different suspension behavior.
  • Starting product are quasi identical individual springs, in which, in order to adjust the different suspension behavior, only a rotation of the individual springs, preferably made of a plurality of springs series. This leads to a change in the characteristic, since the shaped notch then occupies a different position.
  • This notch is formed by two legs which enclose an angle ⁇ 90 °.
  • the tip of the notch protrudes beyond the center of the formed ring.
  • the length of the lever arm formed by the legs and thus the load acting moment changes or the spring characteristic changes accordingly.
  • the connecting elements in particular in the form of rods can be positively attached to the springs.
  • the connecting elements in principle, however, is also an integral connection such as gluing welding or soldering.
  • this compound is less suitable for a series product, since it can only be produced with a relatively high outlay.
  • the springs of a row can be congruent to each other, ie, the notches of all springs are aligned so that the spring characteristic is changed altogether by turning the series.
  • this extension usually determining the width of the spring core.
  • other rows as mentioned, are twisted to change the spring characteristic.
  • all rows are attached to the end of a frame enclosing the spring core, for which purpose said rods can be used.
  • Each spring 3 is designed as a ring arranged upright in the direction of loading, consisting of an elastically deformable wire, with a notch 4 pointing in the contour progression.
  • the springs 3 are a spring row 1 , which are arranged parallel and distant from each other, by a rod 5, preferably also made of wire, connected to each other, for which purpose the wire of the spring 3 is looped in the sense of a node 6.
  • each node 6 is arranged in a recess of the spring 3, so that the rod 5 rests sunk.
  • rods 5 are provided on two mutually opposite sides, so that spring row 1 results in a stable construct.
  • the notch 4 is formed by two acute angles to each other legs 7, the apex of which lies outside the center of the circular arc-shaped spring 3 and that goes beyond this.
  • FIGS. 4b) and 4c) show springs 3 twisted around the imaginary central axis, with the resulting positions of the notches 4 and, with respect to the load B, a lever with a smaller action due to the position of the legs 7, FIG. 4c) reproduces the position in which the springs 3 have the greatest hardness.
  • the springs 3 are arranged so that they engage in the spaces formed between the individual springs 3 of the adjacent spring rows 1, so that there is a relatively closed bearing surface.

Landscapes

  • Springs (AREA)

Abstract

L'invention concerne un bloc-ressort, comprenant une pluralité de rangées de ressorts (1) agencées parallèlement les unes aux autres, chacune de ces rangées étant constituée d'une pluralité de ressorts individuels (3), raccordés les uns aux autres, ce bloc-ressort étant conçu de sorte que chaque ressort (3) se présente sous la forme d'un élément annulaire disposé sur la tranche dans le sens de sollicitation et constitué d'un fil métallique déformable élastiquement, comportant une encoche (4) orientée vers l'intérieur sur son contour.
EP14736834.4A 2013-07-09 2014-07-08 Bloc-ressort Not-in-force EP3019049B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14736834T PL3019049T3 (pl) 2013-07-09 2014-07-08 Rdzeń sprężynowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013107257.7A DE102013107257A1 (de) 2013-07-09 2013-07-09 Federkern
PCT/EP2014/064649 WO2015004155A1 (fr) 2013-07-09 2014-07-08 Bloc-ressort

Publications (2)

Publication Number Publication Date
EP3019049A1 true EP3019049A1 (fr) 2016-05-18
EP3019049B1 EP3019049B1 (fr) 2017-10-11

Family

ID=51162815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14736834.4A Not-in-force EP3019049B1 (fr) 2013-07-09 2014-07-08 Bloc-ressort

Country Status (5)

Country Link
US (1) US20160150892A1 (fr)
EP (1) EP3019049B1 (fr)
DE (1) DE102013107257A1 (fr)
PL (1) PL3019049T3 (fr)
WO (1) WO2015004155A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638254A (en) * 1970-05-15 1972-02-01 Uniroyal Inc Spring
US4675927A (en) * 1983-09-14 1987-06-30 Mizelle Ned W Bedding units and springs therefor
FR2856563A1 (fr) * 2003-06-27 2004-12-31 Onitis Sa Structure de suspension comportant des ressorts helicoidaux

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2015004155A1 *

Also Published As

Publication number Publication date
WO2015004155A1 (fr) 2015-01-15
EP3019049B1 (fr) 2017-10-11
DE102013107257A1 (de) 2015-01-15
US20160150892A1 (en) 2016-06-02
PL3019049T3 (pl) 2018-03-30

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