EP2083141A2 - Charnière cachée - Google Patents

Charnière cachée Download PDF

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Publication number
EP2083141A2
EP2083141A2 EP20090151441 EP09151441A EP2083141A2 EP 2083141 A2 EP2083141 A2 EP 2083141A2 EP 20090151441 EP20090151441 EP 20090151441 EP 09151441 A EP09151441 A EP 09151441A EP 2083141 A2 EP2083141 A2 EP 2083141A2
Authority
EP
European Patent Office
Prior art keywords
hinge
levers
pair
lever
wings
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.)
Withdrawn
Application number
EP20090151441
Other languages
German (de)
English (en)
Inventor
Luigi Ferraro
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.)
Nova-Ferr Srl
Original Assignee
Nova-Ferr Srl
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 Nova-Ferr Srl filed Critical Nova-Ferr Srl
Publication of EP2083141A2 publication Critical patent/EP2083141A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/18—Hinges with pins with two or more pins with sliding pins or guides
    • E05D3/186—Scissors hinges, with two crossing levers and five parallel pins

Definitions

  • the present invention relates to a concealed hinge.
  • a concealed hinge is a hinge that is completely embedded into the structure of the piece of furniture or the door/window on which it is mounted and therefore, contrary to the conventional "visible" hinges, it cannot be seen from the outside and the inside of the structure on which it is mounted.
  • the invention concerns a concealed hinge for iron or aluminium tubular members of the kind employed for making windows, doors and similar components.
  • Concealed hinges are employed when it is desired to avoid any additional bulk and when, for aesthetical reasons, it is preferred that the hinge cannot be seen with respect to the remaining parts of the structure on which it is mounted.
  • Such hinges are formed of two parts or wings, one of which is fastened to the door/window casing and the other is fastened to the door/window frame, so as to enable rotation of one wing relative to the other.
  • Patent publication EP 1538290 A in the name of the Applicant discloses a concealed hinge configured to limit the relative rotation of the wings to a predetermined angle.
  • the prior art hinge includes a curved guide in which a member connecting the wings slides. Thanks to such a configuration, the curved guide of the hinge, by limiting the sliding of the connecting member, is arranged to limit the rotation angle of the wings.
  • the present invention also concerns a concealed hinge assembly, as well as a method of manufacturing a concealed hinge.
  • the hinge includes a plurality of levers pivotally mounted so that they define a first and a second lever set, and a pair of wings each having a pair of slots and a pair of holes in which the first and second lever sets are alternately pivotally mounted.
  • the hinge slots are straight and allow the sliding of first ends of the first or the second lever set, which ends are suitably pivotally connected to one another and are retained in the slot.
  • the hinge wings are configured so that they are removably connected to suitable wing-retaining shells.
  • a concealed hinge assembly 10 according to the present invention comprises a first and a second outer shell 12a and 12b, respectively, and a concealed hinge 14.
  • Outer shells 12a and 12b, respectively, are preferably identical to each other and are arranged to be secured, in known manner, to tubular members for door/window casings.
  • the shells are secured to the tubular members by soldering, by means of fastening screws, rivets, etc.
  • each shell 12a and 12b has a prismatic shape, with rectangular cross section, and has a first, open end 21a and 21b, respectively, and a second end 22a and 22b, respectively, which for instance is partly closed by element bent to an L-shape.
  • Shells 12a and 12b are arranged to house the concealed hinge 14 according to the invention and they have, associated with their second end, a securing member 25a and 25b ( Figs. 1 , 2a , 2b , 3a, 3b ), respectively, for instance a threaded member configured to allow hinge 14 to be secured to the shells by means of suitable removable means 35a and 35b, respectively, for instance screws.
  • hinge 14 includes a first and a second end member 41a and 41b, respectively, which are preferably identical to each other and are shaped and sized so that they can be inserted into the respective shells 12a and 12b.
  • end members or inner shells 41a and 41b are for instance substantially U-shaped and, in use, they are inserted in mirror-like manner in the respective outer shells and are connected to each other by means of levers 42.
  • the levers are arranged to build hinge 14 in combination with the first end member (first U-shaped member) 41a and the second end member (second U-shaped member) 41b.
  • each U-shaped member 41a or 41b forms a wing of the hinge and has:
  • levers 42 have a leaf structure, with predetermined thickness; they are arranged, in use, to allow one lever to slide relative to another one, are identical to each other and have each three holes.
  • levers 42 have:
  • a first lever set 421 including e.g. three levers as shown in Fig. 1
  • holes 43 of the first lever ends are pivotally mounted on the first pin 53a of the first U-shaped member 41a
  • holes 44 of the second lever ends are pivotally mounted on the second pin 53b of the second U-shaped member 41b.
  • levers 42 in the first set are kept separate from one another in correspondence of the pins by means of suitable washers 49 having a thickness corresponding to that of levers 42.
  • a second lever set 422 including e.g. three levers as shown in Fig. 1 , is arranged in mirrored manner with respect to the first lever set and so that holes 43 of the first ends 53 are pivotally mounted on the second pin 54a of the second U-shaped member 41b, and holes 44 of the second ends are pivotally mounted on the second pin 54a of the first U-shaped member 41a.
  • levers 42 in the second set are kept separate from one another in correspondence of the pins by means of suitable washers 49 having a thickness corresponding to that of levers 42.
  • Both lever sets are pivotally connected to each other by means of central pin 55 thereby forming a lever pack.
  • the shape of the levers determines the rotation angle of the hinge wings, which angle, in accordance with the present exemplary embodiment, may take any value in the range 0° to 180°.
  • levers 42 are substantially C-shaped, with predetermined outer and inner profiles 42a and 42b.
  • outer profile 42a has such a size that it does not interfere with the sizes of shells 12a and 12b.
  • Inner profile 42b has such a size that it limits the maximum rotation angle of the wings or U-shaped members associated with hinge shells 12a and 12b: actually, as shown in Figs. 2a and 2b , showing a hinge with a maximum opening of 180°, and in Figs. 3a and 3b , showing a hinge with a maximum opening of 90°, the inner profile is configured to abut against the second pins 54a and/or 54b in fully opened conditions.
  • iron-based materials are preferably used.
  • outer and inner shells can be made of iron plate, steel plate and so on.
  • the levers, as well as the pins, can be made for instance of steel, stainless steel or other materials with high stiffness.
  • the washers can be made of iron plate, steel plate and so on.
  • assembling hinge 14 and hinge assembly 10 includes for instance the following steps:
  • the concealed hinge is wholly assembled and inserted into the shells.
  • Moving one of wings 41a and/or 41b of hinge 14 results in the first lever set rotating relative to the second lever set as long as the inner profiles of both lever sets, or the inner profile of at least one set, abut(s) against one of the second pivot pins 54a and/or 54b.
  • the first pivot pins 53a and 53b slide in the respective slot pair 43a and 43b thereby enabling the levers to come out from the shells.
  • the concealed hinge according to the invention is very solid and robust, since it comprises a plurality of levers arranged in facing relationship and mutually cooperating.
  • the load that can be supported depends to a great extent on the number and the size the levers mutually cooperating in the hinge.
  • the first and/or the second lever sets may comprise at least two levers, and preferably the first set comprises as many levers as the second set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)
EP20090151441 2008-01-28 2009-01-27 Charnière cachée Withdrawn EP2083141A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20080055 ITTO20080055A1 (it) 2008-01-28 2008-01-28 Cerniera a scomparsa

Publications (1)

Publication Number Publication Date
EP2083141A2 true EP2083141A2 (fr) 2009-07-29

Family

ID=40290408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090151441 Withdrawn EP2083141A2 (fr) 2008-01-28 2009-01-27 Charnière cachée

Country Status (2)

Country Link
EP (1) EP2083141A2 (fr)
IT (1) ITTO20080055A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20100022A1 (it) * 2010-02-01 2011-08-02 Oikos Venezia Srl Cerniera per porte, portoni o ante a battente in genere, a scomparsa e a rotazione completa
EP2476833A1 (fr) * 2011-01-12 2012-07-18 Bartels Systembeschläge GmbH Charnière cachée

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20160764A1 (it) 2016-01-26 2017-07-26 Stefano Ficco Cerniera a scomparsa dotata di due assi di rotazione operanti in sequenza

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1538290A2 (fr) 2003-12-05 2005-06-08 Nova-Ferr S.r.l. Charnière cachée

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1538290A2 (fr) 2003-12-05 2005-06-08 Nova-Ferr S.r.l. Charnière cachée

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20100022A1 (it) * 2010-02-01 2011-08-02 Oikos Venezia Srl Cerniera per porte, portoni o ante a battente in genere, a scomparsa e a rotazione completa
EP2476833A1 (fr) * 2011-01-12 2012-07-18 Bartels Systembeschläge GmbH Charnière cachée

Also Published As

Publication number Publication date
ITTO20080055A1 (it) 2009-07-29

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