EP1008708A1 - Vorrichtung zur Steuerung der Bewegung eines Griffes für Tür- oder Fensterrahmen - Google Patents

Vorrichtung zur Steuerung der Bewegung eines Griffes für Tür- oder Fensterrahmen Download PDF

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Publication number
EP1008708A1
EP1008708A1 EP99117076A EP99117076A EP1008708A1 EP 1008708 A1 EP1008708 A1 EP 1008708A1 EP 99117076 A EP99117076 A EP 99117076A EP 99117076 A EP99117076 A EP 99117076A EP 1008708 A1 EP1008708 A1 EP 1008708A1
Authority
EP
European Patent Office
Prior art keywords
handle
pin
prismatic
casing
central
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Withdrawn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
EP99117076A
Other languages
English (en)
French (fr)
Inventor
Aimone Balbo Di Vinadio
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.)
ALUTEC Srl
Original Assignee
ALUTEC 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 ALUTEC Srl filed Critical ALUTEC Srl
Publication of EP1008708A1 publication Critical patent/EP1008708A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B3/00—Fastening knobs or handles to lock or latch parts
    • E05B3/06—Fastening knobs or handles to lock or latch parts by means arranged in or on the rose or escutcheon
    • E05B3/065—Fastening knobs or handles to lock or latch parts by means arranged in or on the rose or escutcheon with spring biasing means for moving the handle over a substantial distance, e.g. to its horizontal position
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings

Definitions

  • the present invention relates to a device for controlling the movement of handles for door and window frames, in which at least one handle is mounted to rotate together with a prismatic pin coupled to a bolt means, the device comprising a casing which can be secured to the leaf of the frame and which contains resilient thrust means acting against a thrust surface which is fixed for rotation with the prismatic pin in order to push the bolt means into a locking position when the handle is released.
  • rotatable handles for opening and closing door and window frames are fixed for rotation with a pin which brings about the opening or closing movement of a bolt, depending on the direction of rotation imparted to the handle.
  • the handle is normally associated with a resilient return element which tends to return the handle and the bolt to a closing position.
  • the return element When the handle is rotated downwards to open the door or window frame, the return element is loaded resiliently.
  • the resilient element automatically returns the bolt to the withdrawn or closing position and, at the same time, returns the handle to its initial rest position.
  • the above-mentioned opposing resilient element is generally accommodated in a casing mounted in the leaf of the door or window, and acts against an element which is unitary with the handle by the interposition of a piston guided slidably inside the above-mentioned casing.
  • the systems described above have a disadvantage owing to the fact that the resilient return element is weakened in the course of time because of the weight of the handle, especially in the case of handles produced from metal alloys, such as brass or a zinc-aluminium-magnesium alloy.
  • the resilient element thus loses the strength necessary to restore the rest position of the handle and the closing position of the bolt and therefore the lock becomes less efficient.
  • the handle acquires undesired play and adopts an inclined rest position instead of a horizontal rest position and therefore its opening travel becomes too short, conveying to the user an unpleasant impression of defectiveness.
  • the object of the present invention is to provide a return mechanism for handles that is capable of overcoming the disadvantages and limits of the prior art discussed above.
  • a device of the type specified above characterized in that it comprises a prismatic element rotatable inside the casing and having a central seat suitable for receiving the pin in order to rotate together therewith, and a plurality of flat outer surfaces, constituting a plurality of said thrust surfaces, suitable for cooperating with at least one of the resilient thrust means in order to give rise to a corresponding plurality of stable configurations in each of which the bolt means is in a locking position, and the handle is in one of a plurality of corresponding angularly spaced stable release positions.
  • a casing for containing the device according to the invention is generally indicated 10.
  • the casing 10 which is suitable for mounting on the leaf of a door or window in the region of the lock, is formed by joining two complementary half-shells advantageously produced by moulding plastics material, the half-shells being a main box-shaped body 10a and a cover 10b, which are connectable by means of a plurality of appendages 11 and corresponding locking seats 12.
  • the main body 10a is formed in such a manner that it has a recess in which can be seen a cylindrical central recessed region 14 communicating with two rectilinear and aligned recessed regions 15, 16 which are diametrically opposed relative to the central recessed region 14.
  • the half-shells 10a and 10b have respective circular central openings 13a, 13b which are coaxial with the central axis of rotation x of the handle, as will be described in more detail hereinafter.
  • the circular opening 13a is defined by an annular edge 17 having an inside diameter substantially smaller than that of the central recessed region 14.
  • the terms “inner”, “outer”, “axial”, “radial” and “transverse” should be interpreted with reference to the axis of rotation of the handle, unless otherwise indicated.
  • the central recessed region 14 is suitable for receiving in a rotatable manner a bush 18 which has an axial central hole 19 having a square cross-section; the outer side surface of the bush also has four substantially flat surfaces 20 which are arranged opposite one another in pairs to form a square having sides parallel to those of the central hole 19.
  • the flat surfaces 20 are connected to one another by rounded corner regions 21.
  • Respective sliders 22 are inserted in the rectilinear recessed regions 15, 16, in a manner slidable in the radial direction, and are resiliently urged in opposite directions against two opposite flat faces 20 of the bush 18 by the action of respective resilient thrust elements, such as, for example, springs 23 ( Figure 5) which exert a radial opposing action against walls 24 of the box-shaped body 10a.
  • respective resilient thrust elements such as, for example, springs 23 ( Figure 5) which exert a radial opposing action against walls 24 of the box-shaped body 10a.
  • the bush 18, the sliders 22 and the return springs 23 are mounted in the main body 10a, after which the casing 10 is closed by the cover 10b; the whole thus assembled is ready to be secured to the structure of the leaf of a door or window 25 in the region of a lock diagrammatically indicated 26 in Figure 3.
  • the pin 27 has dimensions matching those of the hole 19; ribs or other uneven regions 19' are preferably formed on the walls of the hole 19, whereby the pin fits with slight interference, for the purpose of cancelling the play.
  • the assembled casing 10 is then secured to the structure of the leaf 25 by means of securing elements 31 and can be covered by a snap-fitting outer covering element 32.
  • the end portions of the pin 27 are finally fixed for rotation with one or two handles 30, depending on the type of door or window frame, the handles being located one on each side of the leaf.
  • the device described above functions in the following manner.
  • the handle 30 In the position illustrated with a continuous line in Figure 4, the handle 30 is in a rest position, which corresponds to an extended or locking position of the bolt. In that position, the sliders 22 are in the most extended or central position, pushing against the flat faces 20 of the bush 18.
  • the pin 27 By rotating the handle either in the clockwise direction or in the anticlockwise direction, the pin 27 sets the bush 18 in rotation; as that movement is performed, the rounded corner regions 21 of the bush act as cam means, moving the sliders 22 away against the action of the resilient elements 23.
  • the lock is designed to unlock the bolt when the angle of rotation of the handle is close to 45°.
  • an opening angle of 45° (indicated 30' in Figure 4), which represents a state of instability, the resilient elements 23 continue to push on the faces 20 on which they acted in the initial rest state, and therefore they tend to bring about the return of the handle to its initial position when it is released.
  • the resilient elements 23, having in their turn passed over the corner regions 21, push on the other two faces 20, which are at right-angles to the initial faces, and they therefore tend to rotate the bush 18 and the handle 30 into another position of stability, rotated through 90° and indicated 30'' in Figure 4.
  • the device of the present invention can be applied to door and window frames having a handle on one ( Figure 6) or both sides, and to frames provided with sliding and/or tilting opening and closing systems (Figure 7).
  • the device of the present invention also enables practical advantages relating to transport and mounting operations to be obtained.
  • the handles are mounted last, and therefore the frames can be transported already provided with the casing but without the handle, and therefore they have a reduced transverse bulk and can be transported in larger numbers without the risk of damaging the handles and sheets of glass or other surfaces of the frame.
  • the absence of the handle at the moment of mounting the casing on the frame makes it possible to use screwdrivers without obstruction by the handle and without the risk of damaging it.
  • the handle which is the component most prone to damage, may advantageously be replaced without removing the casing, even when the door or window is closed.
  • the device may have a single thrust slider instead of a pair, as discussed in the illustrated preferred embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Endoscopes (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP99117076A 1998-12-11 1999-08-31 Vorrichtung zur Steuerung der Bewegung eines Griffes für Tür- oder Fensterrahmen Withdrawn EP1008708A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000288 IT1302755B1 (it) 1998-12-11 1998-12-11 Dispositivo per regolare la movimentazione di maniglie per serramenti
ITPD980288 1998-12-11

Publications (1)

Publication Number Publication Date
EP1008708A1 true EP1008708A1 (de) 2000-06-14

Family

ID=11392389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117076A Withdrawn EP1008708A1 (de) 1998-12-11 1999-08-31 Vorrichtung zur Steuerung der Bewegung eines Griffes für Tür- oder Fensterrahmen

Country Status (2)

Country Link
EP (1) EP1008708A1 (de)
IT (1) IT1302755B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3402089A1 (de) * 1984-01-21 1985-08-01 Gebrüder Goldschmidt Baubeschläge GmbH, 5628 Heiligenhaus Beschlag fuer fenster oder tueren
DE8702724U1 (de) * 1987-02-21 1987-04-09 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf, De
DE9016080U1 (de) * 1990-11-26 1991-02-14 Schuering Gmbh & Co Fenstertechnologie Kg, 5000 Koeln, De
BE1008973A5 (nl) * 1994-12-13 1996-10-01 Parys Remi E Van Krukmechanisme voor ramen en deuren.
DE19614666A1 (de) * 1995-07-21 1997-01-23 Vbl Gmbh Baubeschlaege Einrichtung zur Betätigung von Türen, Fenstern oder dergleichen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3402089A1 (de) * 1984-01-21 1985-08-01 Gebrüder Goldschmidt Baubeschläge GmbH, 5628 Heiligenhaus Beschlag fuer fenster oder tueren
DE8702724U1 (de) * 1987-02-21 1987-04-09 Hoppe Gmbh & Co Kg, 3570 Stadtallendorf, De
DE9016080U1 (de) * 1990-11-26 1991-02-14 Schuering Gmbh & Co Fenstertechnologie Kg, 5000 Koeln, De
BE1008973A5 (nl) * 1994-12-13 1996-10-01 Parys Remi E Van Krukmechanisme voor ramen en deuren.
DE19614666A1 (de) * 1995-07-21 1997-01-23 Vbl Gmbh Baubeschlaege Einrichtung zur Betätigung von Türen, Fenstern oder dergleichen

Also Published As

Publication number Publication date
IT1302755B1 (it) 2000-09-29
ITPD980288A1 (it) 2000-06-11

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