EP2113622A2 - Unité de fonctionnement pour fenêtre articulée inférieure - Google Patents

Unité de fonctionnement pour fenêtre articulée inférieure Download PDF

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Publication number
EP2113622A2
EP2113622A2 EP09159008A EP09159008A EP2113622A2 EP 2113622 A2 EP2113622 A2 EP 2113622A2 EP 09159008 A EP09159008 A EP 09159008A EP 09159008 A EP09159008 A EP 09159008A EP 2113622 A2 EP2113622 A2 EP 2113622A2
Authority
EP
European Patent Office
Prior art keywords
mobile frame
drive
slide shoe
frame
fixed frame
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Withdrawn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
EP09159008A
Other languages
German (de)
English (en)
Other versions
EP2113622A3 (fr
Inventor
Marco Lambertini
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.)
GSG International SpA
Original Assignee
GSG International 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 GSG International SpA filed Critical GSG International SpA
Publication of EP2113622A2 publication Critical patent/EP2113622A2/fr
Publication of EP2113622A3 publication Critical patent/EP2113622A3/fr
Withdrawn legal-status Critical Current

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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
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/24—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member
    • E05C17/28—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member with braking, clamping or securing means at the connection to the guide member

Definitions

  • This invention relates to an operating unit for bottom-hung windows, in particular bottom-hung windows whose frames are made of metal, PVC or the like, wood - PVC, etc.
  • bottom-hung windows are used extensively because they meet a wide range of requirements in buildings of all kinds (residential, schools, hospitals, factories and so on).
  • Windows of this kind are installed in the parts of a building that are not easy to reach as, for example, is the case of transom windows or fanlights (usually above a door) or that are situated very high up (as, for example, in factory buildings) and are opened preferably using a suitable operator or other tool with hooking means at its top end.
  • a window of this kind has two hinge points between the mobile frame and the fixed frame, on the bottom horizontal edge, a single point by which the mobile frame is closed, usually on the top horizontal edge, as well as two arms for retaining the mobile frame and hinged between the two respective uprights of the mobile frame and of the fixed frame.
  • the single closing point which is usually located half way along the width of the window frame, consists of a well known device which those familiar with the trade refer to as "latch".
  • the latch is basically a fastening element, consisting of a pin mounted on suitable supporting means (plates) attached to the mobile frame, and a striker element attached to the fixed frame.
  • the striker element (usually an inclined surface) is normally coaxial with the latch pin which can slide axially (in both directions, thanks to a spring) towards an engagement slot located at the innermost end of the striker element.
  • the outermost end of the latch has a ring handle that can be operated by hand or engaged by a hook or operator.
  • the user can release the closing element which, in this example, is the latch pin, from the engagement slot so that gravity causes the mobile frame to be tilted towards the inside of the room where it is installed.
  • the user pushes the mobile frame towards the fixed frame until the pin springs into the slot.
  • the single joining point makes it difficult to close the window satisfactorily because, amongst other things, windows of this kind usually have irregular proportions (very wide and low, very narrow and tall, depending on requirements) and thus the single closing point, which is usually positioned, as mentioned above, half way along the window, cannot provide an efficient seal or sufficient guarantee of security for the entire window.
  • the single closing point offers little resistance to would-be burglars and applies insufficient pressure on the weather strips, especially at the corners furthest away from it, providing an ineffective weather seal (as well as low insulation against noise).
  • the Applicant devised a solution (see also European patent EP 1.707.720 ) where the controlling means comprise operating means (a sliding rod) positioned on the mobile crosspiece and have two or more elements (pins) for closing the mobile frame against the fixed frame, these closing elements being spaced far apart and being able to be securely coupled to each other by means of strikers located on the fixed crosspiece.
  • the controlling means comprise operating means (a sliding rod) positioned on the mobile crosspiece and have two or more elements (pins) for closing the mobile frame against the fixed frame, these closing elements being spaced far apart and being able to be securely coupled to each other by means of strikers located on the fixed crosspiece.
  • cam means are provided to act on the operating means to actuate the mobile frame in such a way that the window is moved automatically from the open to the closed configuration.
  • the bottom-hung window is installed at a height where it can easily be reached and is thus exposed to a high risk of burglary (as for example in the case of cellar windows or groups of windows in public premises at the low storeys which by law cannot have side-hung sashes that swing open).
  • the level of security required is higher than that offered by bottom-hung windows with at least two closing points: in particular, it would be necessary to provide two or more additional closing points along the uprights of the frame, away from the upper crosspiece.
  • This invention therefore has for an aim to overcome the above mentioned disadvantages by providing an operating unit for bottom-hung windows with which it is possible to obtain a plurality of closing points, even close to the bottom crosspieces, whether retaining arms are fitted or not.
  • a window operating unit in particular, an operating unit for bottom-hung windows, comprising the technical characteristics described in one or more of the appended claims.
  • these windows 1 are hinged along the bottom so that they can be opened by tilting towards the inside of the room where they are installed.
  • Windows 1 of this kind essentially comprise the following main elements: a mobile frame 2 and a fixed frame 3; control means 4; at least one retaining arm 5; and an operating unit 6.
  • the mobile frame 2 and the fixed frame 3 are hinged to each other along a respective first (bottom) crosspiece 2a, 3a by means of one or more hinges CR.
  • the mobile frame and the fixed frame 2, 3 each have a respective longitudinal groove C2 and C3 in which operating accessories, extending perimetrically, can be fastened.
  • the control means 4 act on the mobile and fixed frames 2, 3 to enable the window 1 to be moved to an open configuration, where at least one second crosspiece 2b of the mobile frame 2 is away from the respective second crosspiece 3b of the fixed frame 3 (see Figure 2 ), and a closed configuration, where the mobile crosspiece 2b is in contact with the fixed crosspiece 3b (see Figure 1 ).
  • control element 4 is, as mentioned, a kind of handle 4 mounted on the second, upper crosspiece 2b.
  • the retaining arm 5 there are usually two of these arms 5, 5' designed to keep the mobile frame 2 in the open configuration (a sort of limit stop).
  • each arm is connected to the mobile frame 2 and to the fixed frame 3 at the respective first uprights 2c, 3c and 2d, 3d and through respective first and second retaining elements 5a, 5b inserted in the grooves C2 and C3.
  • the operating unit 6 comprises a rod 7 connected to the control handle 4, slidably mounted in the groove C2 of the mobile frame 2 and having at least two elements 8, 9 for closing the mobile frame 2 on the fixed frame 3. These two elements 8, 9 (for example bosses) can be securely coupled to respective strikers 10, 11 located on the fixed frame 3.
  • the rod 7, with the bosses 8, 9 and the strikers 10 and 11 may be located, respectively, on the second mobile crosspiece 2b (the rod 7 and the bosses 8, 9) and on the second fixed crosspiece 3b (the striker means 10, 11).
  • the operating unit 6 also comprises at least one corner transmission element 12 and at least one drive 13 located on the first upright 2c.
  • corner transmission element 12 is associated with the mobile frame 2 and is connected at one end to the rod 7 and at the other, to the drive 13.
  • the transmission element 12 may be equipped with a rigid corner frame by which it is fitted in the groove C2 and with a flexible steel strip slidably housed in the rigid frame and having means for fastening it to the rod 7 at one end and to the drive 13 at the other, to enable transmission of motion.
  • the drive 13 allows connection with a rod segment 14 slidably mounted on the first upright 2c of the mobile frame 2 and equipped with at least one further closing element 15 (boss) that can be coupled to a respective striker 16: both are mounted near the first crosspiece 2a, that is to say, at the end of the first upright 2c and are similar in structure to the bosses 8, 9 and strikers 10 and 11 described above.
  • the drive 13 also has a portion 13a that is slidably engaged in a slideway 17 made in the first retaining element 5a of the arm 5.
  • the first retaining element of the arm 5 is in the form of a slide shoe 18 slidably associated with the groove C2 and equipped with the longitudinal slideway 17 which is open at the bottom end and in which the portion 13a of the drive 13 is slidable.
  • the drive 13 has two ends equipped with respective means 19 and 20 for fastening it to the transmission element 12 and to the rod segment 14, and a central portion joining the two ends, in the form of the strip 13a, smaller in thickness and width and slidable in the longitudinal slideway 17 of the slide shoe 18.
  • the drive 13 may be connected at the top to a further rod segment 14a which is in turn connected to the corner transmission element 12 in order to provide a further closing point at the top of the first upright 2c.
  • the slide shoe 18 and the portion 13a of the drive 13 are slidable relative to each other.
  • This relative movement occurs substantially at different moments: when the window 1 is set to the open or closed configuration using the handle, it is the drive 13 that moves relative to the slide shoe 18 (see arrow F13) whereas during the tilting movement of the mobile frame 2 towards or away from the fixed frame, it is the slide shoe 18 that slides along the portion 13a (see arrow F18).
  • a block 25 superposed along the portion 13a of the drive 13, partly housed in the groove C2, adjustable along the portion 13a of the drive 13 and designed to define a limit stop element for the slide shoe 18 as mobile frame 2 passes from the closed to the open configuration.
  • the block 25 has an open-ended groove 25a at the bottom of it, slidably engaged by the portion 13a of the drive 13 to prevent interference with its operating movement.
  • this has friction adjusting means 21 acting on the slide shoe 18 itself designed to enable the slide shoe 18 to slide more or less easily in the groove C2 when the mobile frame 2 is opened and closed.
  • the adjustment means 21 comprise a grub screw 22 screwed into a hole 23 made at one end of the slide shoe 18.
  • the grub screw 22 faces and acts on a central opening or slot 24 which separates two top surfaces 18a, 18b of the slide shoe 18: in this way, depending on the extent to which the grub screw 22 is screwed in or out, the two surfaces are moved further apart or closer together so as to increase or decrease contact of the slide shoe 18 with the sides of the groove C2, thus increasing or decreasing the friction of the slide shoe 18 when it slides.
  • Figure 9 shows how this technical feature of the drive 13 allows the window 1 to be configured according to a further constructional architecture.
  • the control element 4 may be in the form of a customary cremone handle 4m mounted on the first upright 2c of the window 1.
  • the handle 4m is connected, through respective transmission means 4r (for example, a known drive fin connected between two strikers located on the rod segment 14), to the rod segment 14 which, as mentioned, is in turn connected to the drive 13.
  • transmission means 4r for example, a known drive fin connected between two strikers located on the rod segment 14
  • the grip 4p of the handle 4m may be turned to stable end configurations corresponding to the open and closed end configurations of the window 1, applying the control movement directly to the rod segment 14 (see arrows F4m, Figure 9 ) which in turn transmits the control movement to the drive 13 and, hence, to the corner transmission element 12 which therefore also drives the rod 7 provided with the other closing elements of the window 1.
  • the handle 4m is mounted on the first upright 2c at a point below the point where the retaining arm 5 or 5' is connected to the first upright 2c relative to the hinged crosspieces 2a, 3a of the mobile and fixed frames 2 and 3.
  • An operating unit made as described above fully achieves the aforementioned aims thanks to a drive which bypasses the slide shoe of the retaining arm and in such a way as to enable operation of a closing point at a position close to the window hinge point.
  • This feature makes it possible to increase the number of closing points on the bottom-hung window without having to replace or change the components of the window and, above all, without having to vary the structure of the window and of its drive mechanism: the security of the bottom-hung window as a whole is thus considerably increased.
  • the presence of the drive makes it possible to fit a traditional handle on the upright of the window frame at a convenient position for the user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Paper (AREA)
EP09159008A 2008-04-30 2009-04-29 Unité de fonctionnement pour fenêtre articulée inférieure Withdrawn EP2113622A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20080276 ITBO20080276A1 (it) 2008-04-30 2008-04-30 Gruppo di manovra per infissi con apertura a vasistas.

Publications (2)

Publication Number Publication Date
EP2113622A2 true EP2113622A2 (fr) 2009-11-04
EP2113622A3 EP2113622A3 (fr) 2012-02-29

Family

ID=40296690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09159008A Withdrawn EP2113622A3 (fr) 2008-04-30 2009-04-29 Unité de fonctionnement pour fenêtre articulée inférieure

Country Status (2)

Country Link
EP (1) EP2113622A3 (fr)
IT (1) ITBO20080276A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707720A1 (fr) 2005-03-14 2006-10-04 GSG International S.p.A. Ensemble de fenêtre articulée inférieure

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142558A1 (de) * 2001-08-30 2003-04-03 Roto Frank Ag Vorrichtung zur Begrenzung der Öffnungsweite eines dreh- und/oder kippbaren Flügels eines Fensters, einer Tür o. dgl.
DE7246258U (de) * 1972-12-18 1973-04-12 Siegenia Frank Kg Beschlag fuer aus metall- oder kunststoffprofilen gefertigte fenster und tueren od.dgl.
DE2639954C2 (de) * 1976-09-04 1982-05-06 Geze Gmbh, 7250 Leonberg Ausstellvorrichtung für Kippflügel von Fenstern oder Türen
DE7901009U1 (de) * 1979-01-16 1979-04-19 Wilh. Frank Gmbh, 7022 Leinfelden- Echterdingen Fluegelfeststeller fuer ein fenster, eine tuer o.dgl.
FR2520038A1 (fr) * 1982-01-20 1983-07-22 Ds Croisee Dispositif entrebailleur pour battant de porte ou de fenetre
DE19700829B4 (de) * 1997-01-13 2006-08-10 Geze Gmbh Beschlag für einen Kipp- oder Klappflügel
DE10162659A1 (de) * 2001-12-20 2003-07-03 Winkhaus Fa August Drehkippfenster

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707720A1 (fr) 2005-03-14 2006-10-04 GSG International S.p.A. Ensemble de fenêtre articulée inférieure

Also Published As

Publication number Publication date
ITBO20080276A1 (it) 2009-11-01
EP2113622A3 (fr) 2012-02-29

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