EP1921238B1 - Dispositif push-pull magnétique d'encombrement de diagonale réduit pour meuble - Google Patents

Dispositif push-pull magnétique d'encombrement de diagonale réduit pour meuble Download PDF

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Publication number
EP1921238B1
EP1921238B1 EP07021769A EP07021769A EP1921238B1 EP 1921238 B1 EP1921238 B1 EP 1921238B1 EP 07021769 A EP07021769 A EP 07021769A EP 07021769 A EP07021769 A EP 07021769A EP 1921238 B1 EP1921238 B1 EP 1921238B1
Authority
EP
European Patent Office
Prior art keywords
pin
pusher
magnet
push
support
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.)
Expired - Fee Related
Application number
EP07021769A
Other languages
German (de)
English (en)
Other versions
EP1921238A1 (fr
Inventor
Carlo Migli
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.)
Agostino Ferrari SpA
Original Assignee
Agostino Ferrari SpA
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 Agostino Ferrari SpA filed Critical Agostino Ferrari SpA
Publication of EP1921238A1 publication Critical patent/EP1921238A1/fr
Application granted granted Critical
Publication of EP1921238B1 publication Critical patent/EP1921238B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/165—Devices holding the wing by magnetic or electromagnetic attraction released by pushing in the closing direction

Definitions

  • the present invention relates to a magnetic push-pull device of the type used in furniture to magnetically retain an opening part of the piece of furniture (generally a door) to the closed position until a manual thrust from the outside on the movable part releases a suitable spring pusher of the push-pull mechanism.
  • a suitable spring pusher of the push-pull mechanism is used to magnetically retain an opening part of the piece of furniture (generally a door) to the closed position until a manual thrust from the outside on the movable part releases a suitable spring pusher of the push-pull mechanism.
  • the pusher comes out of the device and pushes the furniture part to move away from the magnetic retainer.
  • a new pressure on the push-pull mechanism locks the pusher to the retracted position again.
  • Devices of this type have been proposed in the art and they are made for being embedded into a hole in the piece of furniture, the pusher emerging from one extremity through a toroidal magnet axially pierced with a hole.
  • the general aim of the present invention is to obviate the above mentioned drawbacks by providing a magnetic push-pull device of reduced cost, reduced transverse bulkiness, simple installation and great sturdiness.
  • a magnetic push-pull device for an opening part of a piece of furniture which at the front comprises a magnet and a thrust pin which is spring movable by a push-pull mechanism between a retracted position and a position at which it projects beyond the magnet, characterized in that the magnet and thrust pin are disposed in mutual side by side relationship and have complementary cross sections so that they together form a circumference.
  • a push-pull device for retaining to the closed position and opening by thrust, an opening part of a piece of furniture (a door, for example), not shown.
  • device 10 comprises a magnetic retainer 19 and a thrust pin 15 that is spring movable by means of a push-pull mechanism between a retracted position and a position at which it projects beyond the magnet.
  • Device 10 comprises an outer cylindrical housing 11 in which a support insert 12 on which a pusher 13 slides is axially received, said pusher being moved by a spring 14 so that it projects to the front of the cylinder with a thrust pin 15.
  • Spring 14 reacts between a rear portion of the support insert 12 forming a rear plug 16, and the rear portion of the pusher.
  • the push-pull mechanism comprises a cam path 17 formed in the support and into which an S-shaped pin element 18 is fitted, according to a known bistable mechanism.
  • the cam path forms a loop circuit for the pin element, with two stable positions at the extremities of the pusher stroke.
  • the first position (shown in Fig. 1 and Fig. 2 ) is that of the pusher emerging outwards, with the extremity of the S-shaped pin that after sliding within the cam path is now in a forward stable position 20 of the cam path.
  • the pusher In the other position, the pusher is retained with the free end of the pin 15 substantially close to the front end of the cylinder 11 so as to be slightly retracted relative to the front face of a magnetic element 19 disposed in side by side relationship with the pusher pin.
  • the S-shaped pin 18 In this position, the S-shaped pin 18 has its extremity within the cam path and is in a rear stable position 21 in the cam path. In this manner, when the thrust pin exerts a pressure towards the retracted position, the S-shaped pin alternately moves to one of the two stable end positions in the cam path, corresponding to the retracted or projecting positions of the thrust pin.
  • Fig. 3 Shown in Fig. 3 is the front face of the device.
  • Pin 15 of the pusher and magnet 19 are disposed in side by side relationship transversely of the movement axis of the pin and have complementary cross-section so as to form a circumference with each other.
  • the cost for manufacturing a magnet having a half-moon-shaped section is lower than that for a toroidal magnet.
  • Fig. 4 shown in Fig. 4 is the exploded view of device 10 with the parts disassembled.
  • the pusher step 22 stopping the outward pusher stroke by interfering with a corresponding step 23 on the inside of the front extremity of cylinder 11.
  • the same step 23 interferes with a step 24 of the magnet to stop the forward stroke thereof.
  • Assembling of the different parts of the device is very simple, since it is only necessary to mount pusher 13 on support 12, with suitable interposition of the S-shaped pin 18, insert spring 14 in place in seat 25 in the support and introduce all that into cylinder 11 from the back (with interposition of magnet 19) until the plug 16 stops against the rear extremity of the cylinder.
  • the support also constitutes a retainer for the magnet trapped between the support and edge 23.
  • the support can be locked in the cylinder in different ways. For instance, it can be glued, joined by ultrasonic welding, making them both of plastic material, or also merely pressure fitted therein.
  • the cylinder on its front extremity has an annular projecting edge 26 enabling stopping of the cylinder sinking into a suitable hole formed in the piece of furniture, said hole completely receiving the device, with minimum bulkiness, to make the magnet and pusher suitably project, so that they can conveniently act on the door of the piece of furniture. Therefore the device can be used in a built-in (embedded) condition with ease.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Wing Frames And Configurations (AREA)
  • Control Of Combustion (AREA)

Claims (5)

  1. Dispositif push-pull magnétique pour une partie d'ouverture d'un meuble, dont l'avant comprend un aimant (19) et une tige de poussée (15) qui est mobile grâce à un ressort par un mécanisme push-pull (17, 18) entre une position rétractée et une position à laquelle il fait saillie au-delà de l'aimant, caractérisé en ce que l'aimant (19) et la tige de poussée (15) sont disposés en relation mutuelle côte à côte et ont des sections transversales complémentaires de sorte qu'ils forment conjointement une circonférence.
  2. Dispositif selon la revendication 1, caractérisé en ce que les sections transversales de la tige et de l'aimant constituent les deux moitiés de la circonférence.
  3. Dispositif selon la revendication 1, caractérisé en ce qu'il comprend un logement cylindrique (11) dans lequel un élément de support (12) est contenu qui s'étend axialement et sur lequel coulisse un poussoir (13) se terminant à l'avant avec la tige de poussée (15), un ressort de poussée (14) pour pousser le poussoir à la position à laquelle la tige (15) fait saillie étant présent entre le poussoir et le support, et le mécanisme push-pull étant intercalé entre le poussoir (13) et le support (12) dans l'interface coulissante.
  4. Dispositif selon la revendication 3, caractérisé en ce que le mécanisme push-pull comprend un trajet de came (17) formé latéralement dans le support et une broche en forme de S (18) dont une extrémité coulisse le long du trajet de came et l'autre extrémité est montée à pivotement sur le poussoir de sorte que quand la tige de poussée (15) est soumise à la pression vers sa position rétractée, la broche en forme de S (18) atteint alternativement l'une des deux positions d'extrémité stable (20, 21) dans le trajet de came (17) correspondant aux positions rétractée et en saillie de la tige de poussée (15).
  5. Dispositif selon la revendication 3, caractérisé en ce que le support (12) forme un bouchon (16) à son extrémité arrière, pour la fermeture arrière du logement cylindrique (11).
EP07021769A 2006-11-13 2007-11-09 Dispositif push-pull magnétique d'encombrement de diagonale réduit pour meuble Expired - Fee Related EP1921238B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000392U ITMI20060392U1 (it) 2006-11-13 2006-11-13 Dispositivo push-pull magnetico ad ingombro trasversale ridotto per mobili

Publications (2)

Publication Number Publication Date
EP1921238A1 EP1921238A1 (fr) 2008-05-14
EP1921238B1 true EP1921238B1 (fr) 2009-07-01

Family

ID=39106094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07021769A Expired - Fee Related EP1921238B1 (fr) 2006-11-13 2007-11-09 Dispositif push-pull magnétique d'encombrement de diagonale réduit pour meuble

Country Status (6)

Country Link
EP (1) EP1921238B1 (fr)
CN (1) CN101182745B (fr)
AT (1) ATE435354T1 (fr)
DE (1) DE602007001436D1 (fr)
ES (1) ES2329836T3 (fr)
IT (1) ITMI20060392U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467920A (en) * 2009-02-19 2010-08-25 Jonathan Stephen Prestwich Push button magnetic hold and release fastener
SI23681A (sl) * 2011-03-22 2012-09-28 Lama D.D. Dekani Potisno zaskočna naprava za odpiranje in držanje v zaprti poziciji odpiralne komponente pohištva
CN107975310A (zh) * 2016-10-25 2018-05-01 青岛海尔洗衣机有限公司 一种可调节行程的推弹按键
DE202021101398U1 (de) * 2021-03-18 2021-04-22 Christian Beck Push-Push-Öffnungshilfsmechanik für Möbel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249761A (en) * 1979-05-30 1981-02-10 Futaba Kinzoku Kogyo Kabushiki Kaisha Locking assembly for doors and the like of a box body
ITMI20041020A1 (it) * 2004-05-21 2004-08-21 Agostino Ferrari Spa Dispositivo di chiusura per mobili
DE202005006516U1 (de) * 2005-04-23 2006-08-24 MEPLA-WERKE LAUTENSCHLäGER GMBH & CO. KG Zuhaltevorrichtung

Also Published As

Publication number Publication date
EP1921238A1 (fr) 2008-05-14
CN101182745B (zh) 2011-05-11
ES2329836T3 (es) 2009-12-01
ITMI20060392U1 (it) 2008-05-14
ATE435354T1 (de) 2009-07-15
CN101182745A (zh) 2008-05-21
DE602007001436D1 (de) 2009-08-13

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