EP0992645A1 - Automatic locking device for door or window wings - Google Patents
Automatic locking device for door or window wings Download PDFInfo
- Publication number
- EP0992645A1 EP0992645A1 EP99118027A EP99118027A EP0992645A1 EP 0992645 A1 EP0992645 A1 EP 0992645A1 EP 99118027 A EP99118027 A EP 99118027A EP 99118027 A EP99118027 A EP 99118027A EP 0992645 A1 EP0992645 A1 EP 0992645A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bolt
- slot
- enclosure
- collar
- tab
- 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- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C7/00—Fastening devices specially adapted for two wings
- E05C7/04—Fastening devices specially adapted for two wings for wings which abut when closed
-
- 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
- E05B15/10—Bolts of locks or night latches
- E05B15/101—Spring-retracted bolts
Definitions
- the aim of the present invention is to obviate the above-cited drawbacks of conventional devices, i.e., to provide an automatic-release device for closing door or window wings and the like which can be operated simply and accessed comfortably.
- the present automatic-release device for closing door or window wings and the like, characterized in that it comprises a locking bolt which is slideable inside an enclosure which is fixed in the stile of the sash of the wing and is insertable in a slot formed in the corresponding rail of the window, elastic means for retracting said bolt from said slot and manually-actuated retention means which are accommodated in a seat of said enclosure and are adapted to retain said bolt in a position for insertion in said slot and to allow its disengagement from said slot by means of said elastic retraction means.
- the walls of the seat 4 located above the partition 5 are crossed by a pivot 12 which acts as a fulcrum for a lever 13 for releasing the slider 6 and the bolt 7.
- the upper end of the lever 13 is pushed outward by a spring 14, while the lower end forms a tooth 15 which is actuated by the spring 14 against the end wall of the enclosure 2.
- the tooth 15 interferes with the tab 8 and prevents the slider 6 from rising due to the spring 16, so that the bolt 7 remains in the wing locking position.
- the element 19 is meant, as will become apparent hereinafter, to arm the spring meant to retract the bolt 18 from the position for locking in the closed configuration the wing on which it is fitted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
- The present invention relates to an automatic-release device for closing door or window wings and the like.
- Windows or doors with two wings are often provided with retractable bolts which allow to lock the fixed wing which is not provided with a handle, so as to provide an abutment for the closure of the movable wing.
- In conventional devices, the two wing locking bolts must be inserted and extracted by means of sliding or lever mechanisms which are very difficult to operate, since they require pushing or pulling forcefully small grips or cavities. Moreover, these devices are located proximate to the end of the wing and are therefore often located too high or too low for easy access.
- The aim of the present invention is to obviate the above-cited drawbacks of conventional devices, i.e., to provide an automatic-release device for closing door or window wings and the like which can be operated simply and accessed comfortably.
- Within the scope of this aim, an object of the present invention is to provide a device which is simple, relatively easy to provide in practice, safe in use, effective in operation and of relatively low cost.
- This aim, this object and others which will become apparent hereinafter are achieved by the present automatic-release device for closing door or window wings and the like, characterized in that it comprises a locking bolt which is slideable inside an enclosure which is fixed in the stile of the sash of the wing and is insertable in a slot formed in the corresponding rail of the window, elastic means for retracting said bolt from said slot and manually-actuated retention means which are accommodated in a seat of said enclosure and are adapted to retain said bolt in a position for insertion in said slot and to allow its disengagement from said slot by means of said elastic retraction means.
- Further characteristics and advantages of the present invention will become apparent from the following detailed description of two preferred embodiments thereof, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
- Figure 1 is a sectional view of a first embodiment of the invention with the bolt retracted;
- Figure 1a is a view of the abutment stile of the movable wing;
- Figure 2 is a side sectional view of the invention, with the bolt in the position for retaining the wing in the closed position;
- Figure 3 is a sectional front view of the bolt of Figure 2;
- Figure 4 is a front view of a second embodiment of the invention;
- Figure 5 is a sectional side view of the invention of Figure 4 in the wing release position;
- Figure 6 is a sectional side view of the invention of Figure 4 in a step preceding the position in which the wing is retained closed;
- Figure 7 is a sectional side view of the invention of Figure 4, in the position in which the wing is retained closed;
- Figure 8 is a sectional side view of the invention of Figure 4 after release has occurred.
-
- With particular reference to the above figures, the
reference numeral 1 generally designates an automatic-release device for closing door or window wings and the like according to the invention. - The device shown in Figures 1, 2 and 3 is designed to be fitted to the
stile 1a of what is usually the fixed wing and acts as an abutment for the movable wing. The device is conceived to be operated by means of a handle-controlled mechanism for opening the movable wing. The device is constituted by a case-shapedouter enclosure 2 which has a rectangular cross-section and is installed in a seat of the lower end of thestile 1a. Theenclosure 2 is provided with alower hole 3 and with a front face which is divided by apartition 5 into two openings through which access is gained to aseat 4 and to acavity 4a. - A
slider 6 is slideably contained in theenclosure 2 and comprises, at the upper end, atab 8 which is adjacent to the wall of theenclosure 2 and, at the lower end, a bolt 7 around which aspring 16 is arranged; the spring is locked between the rim of thehole 3 and a shoulder of theslider 6. At the opening 4b, through which access is gained to thecavity 4a, theslider 6 has a rectangular recess which accommodates a U-shapedmetallic reinforcement element 10 which is fixed by means of twoscrews 11 and forms a hollow 9. - The walls of the
seat 4 located above thepartition 5 are crossed by apivot 12 which acts as a fulcrum for alever 13 for releasing theslider 6 and the bolt 7. The upper end of thelever 13 is pushed outward by aspring 14, while the lower end forms atooth 15 which is actuated by thespring 14 against the end wall of theenclosure 2. When theslider 6 is in the lowered condition and the bolt 7 protrudes from thehole 3, thetooth 15 interferes with thetab 8 and prevents theslider 6 from rising due to thespring 16, so that the bolt 7 remains in the wing locking position. In order to release the fixed wing, lifting the bolt 7, it is sufficient to press on the upper arm of thelever 13 in contrast with the return action of thespring 14 so as to disengage thetooth 15 from thetab 8 and allow the upward movement of theslider 6 and of the bolt 7. The abutment of thereinforcement 10 against thepartition 5 ensures the stroke limit of theslider 6. - When closing the free wing, a pawl N fitted on the rod A connected to the actuation handle is inserted in the hollow 9, proximate to its lower edge.
- By operating the handle in order to lock the free wing, the pawl N descends, resting on the inner edge of the hollow 9, and pulls down the
slider 6, causing, simultaneously with the compression of thespring 16, the descent of the bolt 7 into the appropriately provided slot F provided on the lower rail of the window. When thetab 8 has descended below thetooth 15, said tooth, under the thrust of thespring 14, moves into abutment against the end wall of theenclosure 2 so as to prevent said tab and saidslider 6 from rising again and keep the bolt engaged in the slot F. - A second embodiment of the invention, designed in particular to lock the upper end of the fixed wing, is shown in Figures 4 to 8. In this embodiment, the
enclosure 2 is provided with anupper opening 3 and with aseat 4 which is open at the front and occupies the lower part of said enclosure. Theseat 4 is delimited, in an upward region, by atransverse wall 17 which is provided with a hole 17a in a central region and with a slit 17b adjacent to the internal wall of theenclosure 2. Thewall 17 closes, inside theenclosure 2, a cavity 2a which is open upward through theopening 3. Aclosure bolt 18, of the latch type having a trapezoidal cross-section, can slide vertically in the cavity 2a, protruding from theopening 3, and is flanked by a prism-shaped element 19 which has an identical cross-section and is slightly thicker and can slide independently of thebolt 18 and parallel thereto. A stem 20 is fixed to the internal end of theelement 19, passes through the cavity 2a and continues in theseat 4 through the hole 17a. - The
element 19 is meant, as will become apparent hereinafter, to arm the spring meant to retract thebolt 18 from the position for locking in the closed configuration the wing on which it is fitted. - A
tab 21 is driven through the slit 17b and is guided on the stem 20 with a U-shaped portion. The U-shaped portion comprises anend flap 22 and anintermediate flap 23, both of which are crossed by the stem 20 and are connected by abridge 24 which is parallel to the stem. - A collar is arranged on the stem 20 in the portion that lies between the
flaps elastic ring 25 which acts as an abutment for a spring 26 which acts by compression between thering 25 and theintermediate flap 23 so as to actuate thering 25 toward theend flap 22. - A gap remains between the
bridge 24 and the front wall of theenclosure 2 and astrip 27 is guided therein and rigidly coupled to thebolt 18 with its upper end. The lower end of thestrip 27 is folded at right angles so as to form aflap 28 which lies below theintermediate flap 23 of thetab 21, through which the stem 20 is guided. Aspring 29, which is less rigid than the spring 26, is interposed between theflap 28 and thewall 17. - In order to prevent the stem 20 from leaving the hole 17a and protruding upward by means of the action applied by the
springs 26 and 29, at the end of the stem that extends downward in theseat 4 there is a collar which is constituted by anelastic ring 30 for abutment against thewall 17. - In the inactive position, shown in Figure 5, the spring 26, by acting on the
intermediate flap 23 of thetab 21, keeps theother end flap 22 rested on thering 25, while thespring 29 acts against theflap 28 of thestrip 27 so that said strip, after abutting against theintermediate flap 23, moves the stem 20 upward up to the stroke limit determined by the abutment of thering 30 against thewall 17. - In this inactive position, which corresponds to the position in which the wing is open, the
bolt 18 and theelement 19 protrude from theupper hole 3 with their latch-shaped portion. - As in the previously described embodiment, the
seat 4 is crossed transversely by apivot 12 which acts as a fulcrum for alever 13 for releasing thebolt 18. The manner in which thelever 13 cooperates with thestrip 14 is similar to the manner already described in relation to thetooth 15 and thetab 8. - In order to use the device, in the upper horizontal rail of the window there is a slot F at the region where the
bolt 18 engages; the dimensions of said slot are such that it can receive only said bolt and leaves thearming element 19 rested against the surface of the rail adjacent to theslot 9. When the wing is open, thebolt 18 and theelement 19 protrude from theopening 3 due to the thrust of the spring 29 (see Figure 5). By closing the wing, thebolt 18 and theelement 19 strike, by means of the oblique face of their latch-shaped portion, the rail of the window and are actuated to retract into the cavity 2a. In this step (see Figure 6) bothsprings 26 and 29 are compressed. In particular, the spring 26, due to the retraction of the stem 20, remains compressed against theintermediate flap 23, since thetab 21 is prevented from sliding due to thetooth 15 against which it abuts. When it reaches the slot F (Figure 7), thebolt 18, pushed by thespring 29, enters said slot while theelement 19 remains retracted, keeping the spring 26 compressed (see Figure 7). In this configuration, thebolt 18 keeps the wing in the closed position. - In order to open the wing, the
lever 13 is pressed so that thetooth 15 disengages from thetab 21, which now, due to the spring 26, is pushed downward into theseat 4 inside the enclosure 2 (see Figure 8). - It should be noted that the movement of the
tab 21 and therefore the retraction of theelement 19 into the cavity 2a is allowed by the fact that the force applied by the spring 26 is greater than the force applied by thespring 29, so that the latter spring is compressed, causing the retraction of thestrip 27 and accordingly the disengagement of thebolt 18 from the slot F. At this point the wing is free and can be opened; thebolt 18 and theelement 19, after disengaging the slot F, are pushed outward by thespring 29, allowing thelever 13 to rearm for the subsequent engagement of thetooth 15 against thetab 21. The device therefore returns to the initial configuration of Figure 5. - It has thus been observed that the invention achieves the intended aim and object, and in particular that it provides an automatic-release closure device for door or window wings which can be actuated by simply pressing on the
lever 13. - The first embodiment of Figures 1 to 3 provides for a variation which allows to lock the
slider 6 even if the depth of the slot F is such as to permit only a partial penetration of the bolt 7 in the slot, so that thetooth 15 would be unable to surmount thetab 8 and move into a position for blocking theslider 6, or if the strokes of the pivot N do not correspond to a full rotation of the actuation handle. - This embodiment consists in providing, on the two sides of the
tab 8, a plurality of mutuallyopposite notches 31 which can be engaged by twoteeth 15 of thelever 13. - In this manner, the two
teeth 15 can engage the twonotches 31 that correspond to the stroke for inserting the bolt 7 in the slot F and lock theslider 6 at the level that corresponds to said stroke. - In practice, all the details may be replaced with other technically equivalent ones. Further, the materials employed, as well as the shapes and the dimensions, may be any according to the requirements without thereby abandoning the scope of the protection of the appended claims.
- The disclosures in Italian Utility Model Application No. BO98U000108 from which this application claims priority are incorporated herein by reference.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly, such reference signs do not have any limiting effect on the interpretation of each element identified by way of example by such reference signs.
Claims (6)
- An automatic-release device for closing door or window wings and the like, characterized in that it comprises:a locking bolt which is slideable inside an enclosure which is fixed in the stile of the sash of the wing and is insertable in a slot formed in a corresponding rail of the window;elastic means for retracting said bolt from said slot; andmanually-actuated retention means which are accommodated in a seat of said enclosure and are adapted to retain said bolt in a position for insertion in said slot and to allow its disengagement from said slot by means of said elastic retraction means.
- The device according to claim 1, characterized in that said bolt is cylindrical and rigidly coupled to a slider which is slideable in said enclosure and is provided with a front hollow which is engageable by a pawl which is rigidly coupled to a manually-operated actuation rod in order to move said bolt into the position for engaging said slot of said rail.
- The device according to claim 2, characterized in that said elastic means are constituted by a spring which is arranged around said bolt and acts between said bolt and said enclosure, so as to be compressed when the bolt engages in said slot and expand when the slider is released.
- The device according to claim 1, characterized in that said enclosure forms a seat, a cavity being provided which has an opening and is separated from said seat by a wall located opposite said opening, a bolt and an arming element being guided in said cavity and protruding from said opening, said bolt and said element being shaped like a trapezoidal latch, a stem being rigidly coupled to said element, being guided in a hole of said wall and having an end which extends into said seat, a first collar and a second collar being rigidly coupled to said stem, said first collar being rigidly coupled to said end and being suitable to abut against said wall in order to prevent said element from protruding from said cavity and said second collar being rigidly coupled to the portion of said stem that lies inside said cavity, a tab passing through said wall and being shaped so as to have an intermediate flap or portion and an end flap which are guided on said stem inside said cavity and on opposite sides with respect to said second collar, said end flap of said tab being interposed between said second collar and said element, said intermediate flap being interposed between said second collar and said wall, a strip being rigidly coupled to said bolt, lying within said cavity and having a flap which is guided on said stem between said wall and said intermediate flap, a first expansion spring being arranged on said stem between said flap and said wall and a second expansion spring being arranged between said intermediate flap and said second collar, said tab being controlled by said retention means.
- The device according to any one of claims 2 to 4, characterized in that said retention means are constituted by a lever which is pivoted in said seat and comprises a tooth which is suitable to abut against said slider or said tab in order to retain said bolt in the position for engaging said slot, said lever being manually actuatable in contrast with the action of a spring into a position for disengaging said slider or said tab so as to produce the retraction of said bolt into said enclosure by means of the action of said spring.
- The device according to claim 2, characterized in that said slider comprises a tab which extends into said seat and has a plurality of notches which can be engaged by said retention means in relation to the stroke of said bolt so as to lock said slider at a level that corresponds to said stroke.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO980108 IT244787Y1 (en) | 1998-10-06 | 1998-10-06 | AUTOMATIC RELEASE DEVICE FOR CLOSING DOORS. |
ITBO980108 | 1998-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0992645A1 true EP0992645A1 (en) | 2000-04-12 |
Family
ID=11342939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99118027A Withdrawn EP0992645A1 (en) | 1998-10-06 | 1999-09-21 | Automatic locking device for door or window wings |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0992645A1 (en) |
IT (1) | IT244787Y1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1362972A1 (en) * | 2002-05-17 | 2003-11-19 | Ferco International Ferrures et Serrures de Bâtiment Société par actions simplifiée | Lock fitting for a double-wing door, window or similar without central mullion |
FR2843156A1 (en) * | 2002-08-02 | 2004-02-06 | Plinval Jean De | Lock for gate, door or window has sliding cylindrical bolt with opening and closing projections with retractable wedge for latter |
WO2007009993A2 (en) * | 2005-07-20 | 2007-01-25 | New Art System S.R.L. | Safety frame for doors and windows |
FR2982305A1 (en) * | 2011-11-04 | 2013-05-10 | Map Massard | Lock for locking door leaf of e.g. door window, has thrust unit arranged on trajectory of control unit that is movable with respect to door leaf, and control unit movably arranged to move when door leaf is locked by user |
IT201900003521A1 (en) * | 2019-03-11 | 2020-09-11 | Pettiti Giuseppe Spa | LOCKING DEVICE FOR WINDOWS, IN PARTICULAR FOR SHUTTERS, WITH HINGED OR SLIDING DOORS |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2202916A (en) * | 1938-08-03 | 1940-06-04 | Marcel V Mussa | Catch |
DE3142959A1 (en) * | 1981-08-04 | 1983-03-10 | Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert | Espagnolette fastening without a panic function, especially for the standing wing of two-wing doors |
EP0626494A1 (en) * | 1993-05-24 | 1994-11-30 | Alcan France | Actuating device for automatic blocking of a window wing or the like |
EP0849425A1 (en) * | 1996-12-18 | 1998-06-24 | DORMA GmbH + Co. KG | Unlocking and locking device for a two wing door |
-
1998
- 1998-10-06 IT ITBO980108 patent/IT244787Y1/en active
-
1999
- 1999-09-21 EP EP99118027A patent/EP0992645A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2202916A (en) * | 1938-08-03 | 1940-06-04 | Marcel V Mussa | Catch |
DE3142959A1 (en) * | 1981-08-04 | 1983-03-10 | Scovill Sicherheitseinrichtungen Gmbh, 5620 Velbert | Espagnolette fastening without a panic function, especially for the standing wing of two-wing doors |
EP0626494A1 (en) * | 1993-05-24 | 1994-11-30 | Alcan France | Actuating device for automatic blocking of a window wing or the like |
EP0849425A1 (en) * | 1996-12-18 | 1998-06-24 | DORMA GmbH + Co. KG | Unlocking and locking device for a two wing door |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1362972A1 (en) * | 2002-05-17 | 2003-11-19 | Ferco International Ferrures et Serrures de Bâtiment Société par actions simplifiée | Lock fitting for a double-wing door, window or similar without central mullion |
FR2839739A1 (en) * | 2002-05-17 | 2003-11-21 | Ferco Int Usine Ferrures | LOCKING FITTING FOR DOOR, WINDOW OR OTHER WITH TWO LEAVES AND WITHOUT CENTER MOLDING |
FR2843156A1 (en) * | 2002-08-02 | 2004-02-06 | Plinval Jean De | Lock for gate, door or window has sliding cylindrical bolt with opening and closing projections with retractable wedge for latter |
WO2007009993A2 (en) * | 2005-07-20 | 2007-01-25 | New Art System S.R.L. | Safety frame for doors and windows |
WO2007009993A3 (en) * | 2005-07-20 | 2007-04-12 | New Art System S R L | Safety frame for doors and windows |
FR2982305A1 (en) * | 2011-11-04 | 2013-05-10 | Map Massard | Lock for locking door leaf of e.g. door window, has thrust unit arranged on trajectory of control unit that is movable with respect to door leaf, and control unit movably arranged to move when door leaf is locked by user |
IT201900003521A1 (en) * | 2019-03-11 | 2020-09-11 | Pettiti Giuseppe Spa | LOCKING DEVICE FOR WINDOWS, IN PARTICULAR FOR SHUTTERS, WITH HINGED OR SLIDING DOORS |
Also Published As
Publication number | Publication date |
---|---|
ITBO980108U1 (en) | 2000-04-06 |
IT244787Y1 (en) | 2002-03-14 |
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