ARMOURED VENETIAN BLIND FOR WINDOWS OR THE LIKE

Abstract: A Venetian blind for closing windows or the like comprises a plurality of horizontal slats mounted in vertically-spaced relation, a tilting device for simultaneously tilting all the slats about their horizontal axes from horizontal positions to vertical positions, a raising device and a locking device preventing the slats from being raised. The plurality of slats are mounted on head pins received within channels located at opposite sides of the opening and guiding the movement of the head pins of the slats when the slats are tilted, raised and lowered.

Description: Description of the invention having as title: ARMOURED VENET IAN BL I ND FOR WI NDOWS OR THE L I KE At present the socalled Venetian blinds with strips that can be oriented and wrapped are useful only to regulate light and air without having any defensive force. The conceived device puts into effect for the first time a "Nenetian blind" that, together with the merit of allowing the best visibility and airing, is an effective defence. In fact, its slats, produced with steel strap of different thicknesses, are able to resist to breaking, lifting, cutting, perforation, preventing from intrusion in the premises. Mechanical device and working process. The Venetian blind, that can be applied anywhere, works with capstan control mechanisms with a flying rod and an electric engine already on the market that are inserted inside a box (Fig. 2 Ν. 1) applied at the ceiling and having on the outer face a steel veil (Fig.3 Ν. 2) covering the joint with the last slat while in the inner side it has a cap to access to the commands. On the lateral sides of the place where the Venetian blind is installed, suitable containing guides are fixed with screws (12) special guides which are made up by two parts, a fixed one and a mobile one (Fig. 4, 5) linked by a hinge (5) that on one side has a latch bolt with hooks (Fig. 7 Ν. 13) and on the other side it has plates with receiving holes for the hooks of the bolt. The guide opens when the bolt (13) is lifted and pushed towards outside by a lever inserted in its top (14) run by the commands placedut in the box (1 ), it closes when the command works in the opposite way. The fixed part of the guide (4) has two opposing fins (10) which mark the space (34) where the heads of the pins (30) are kept coupling the single slats (3). The mobile part of the guide (Fig. 5 N. 6) is milled to create notches (Fig. 3, 6 N. 7) used to regulate the inclination of the slats. The sections produced in the guide by the creation of the notches have holes that are closed with nylon plugs (32). The guides have two grooves (11) where nylon buffers for sealing the slats are inserted. The Venetian blind can assume three positions: A) Total closing. After the opening of the guides (Fig. 5) the slats (3) are placed vertically by the fillets (Fig. 8, 10, 11 N. 25, 27) and are blocked in this position by the closing of the guides (Fig. 2 N. 4) with the insertion of the bolts (13). B) Half closing. The opening of the guides sets the slats free allowing the commands to run the fillets (Fig. 8, 11, 13 N. 25, 27) and to place them in horizontal position. The subsequent closing of the guides with the bolt (13) stops all the slats inside the notches which have a horizontal base and an oblique upper part (Fig. 6 N. 7) to allow the inclination of the slats in the wanted angulation (Fig. 6, 11). C) Total opening. Once opened the guides the fillets (25, 27) place the slats in horizontal position (Fig, 1, 12, 13); then the capstan in the box (1) rolls up the two steel ropes (23) linked to the first slat pulling up all the other slats until they are gathered under the box (Fig. 3). As the total opening of the Venetian blind excludes the need of defense, the guides remain open in order to allow the immediate lowering of the slats. The slats of the Venetian blind are in mould metal and their ends are curved (15) for a perfect coupling and to prevent the penetration of the rain, in the lateral sides they have strengthening bends (16) to contain the supporting profiles of the inner sheating (Fig. 8, 9 N. 17, 18) that contains: the two heads of a curved sheet made of tempered steel (Fig 8, 9 N. 20) whose coins also support the walls of the slat, the cut-proof steel round (Fig. 8, 9 N. 19) that is inserted in the profile (17) and is used also as axle-tree for the hinge of the central fillet (Fig. 8, 10 N. 25), the steel tube (Fig. 8, 9 N. 21) that is inserted in the profile (18) and that in its ends receives the cylinders (31) for the pins screwing (30) that couple the slats (3) to the lateral guides (4). The slats are linked by tempered stainless steel fillets (Fig. 8 N. 25, 26, 27) that synchronize their movements. A lateral fillet (Fig. 8 N. 26) links the basis of the slats to which some pins are fixed (30); these pins go trough its eyelet and the special spacer (Fig. 9 N. 26, 29). The other lateral fillet (27) is fixed with a screw to the plug (22) using a spacer (Fig. 9 N. 27, 28). For the large sized Venetian blinds, instead of this lateral fillet (27), central fillets (Fig. 8, 10, 13 N. 25) are applied; they also prevent from opening of the slats. The various pieces (3, 4, 5, 6, 17, 18, 19, 20, 21) are produced in long profiles then cut in the required sizes. In the ends of the steel tube (21) the cylinders (31) are inserted and then blocked with the punching of the tube above their notches or with electric welding. The tube (21) is inserted in the profile (18) while in the other supporting profile (17) the steel round is inserted (19). In the mentioned profiles (17, 18) now the heads of the curved sheet (20) are inserted. Now the pre-arranged inner sheating is inserted inside the slat (3) whose ends are closed with metal plugs (22) fixed with a screw (Fig. 9 N. 35). Now the slats are lined up on a table and the pins are inserted (30); after having put the overlapped eyelets of the fillets (26), the spacer (29), the plug (22), are screwed down in the cut screw groove of the cylinder (31) strongly linking all the parts (Fig. 9). The overlapping eyelets of the other fillet (Fig. 8, 9, 11 N. 27) are inserted in the spacer (28) and fixed with a screw to the plug (22). The eyelets of the lifting ropes are screwed down to the plugs of the first inferior slat (Fig. 9, 11 N. 23). If the central fillets (25) are applied instead of the lateral ones (27), in the slats already containing the inner sheating, but without the steel round (19), the notches (33) are made to receive the two parts of the fillets (25) that are then passed trough and joined by the steel round (19) inserted in the profile (17). The milling area (33) of the slats (3) is pointed out in figures N. 10 and 13 and has the same width of the fillet that it receives. After completing the composition of the slats (3) the heads of the pins (30) are inserted in the lateral guides (4), then the box (1) is applied, linking the bolts (13), the fillets (25, 26, 27) and the ropes (23) to the relating commands inside the box (1). After the installation of the Venetian blind in its premise, the guides (4) and the box (1) are fixed to the lateral walls and to the ceiling with strong screws. On the windows sill a small plinth is fixed (Fig.8 N. 24); it improves the linking of the first slat with the base. List of Reference Numbers: 1 Engine and commands box. 2 Covering veil. 3 Mobile slats of the Venetian blind. 4 Containing lateral runner guide. 5 Hinge with bolt. 6 Extendable part of the runner guide (4). 7 Slat inclination regulation notch (3). 8 Bolt's seat (13). 9 Plate with a hole to insert the bolt hook (13). 10 Tightness fins for the pins' heads (30). 11 Groove for nylon buffer. 12 Screws for fixing to the wall. 13 Bolt inserted into the hinge (5). 14 Hole for the bolt's operating lever. 15 Curve for covering of the slats' (3) connection and inserts' support (17, 18). 16 Lateral bend for slats' strenghtening. 17 Supporting profile for the higher inner sheating. 18 Supporting profile for the lower inner sheating. 19 Tempered steel round. 20 Tempered steel curved sheet. 21 Steel tube. 22 Lateral plug for slat closing (3). 23 Steel rope. 24 Plinth to be fixed to the treshold. 25 Central hinge fillet. 26 Lateral hinge fillet. 27 Lateral hinge fillet. 28 Spacer of the lateral fillet (27). 29 Spacer of the lateral fillet (26). 30 Head pin for slat (3) hooking to the runner guide (4). 31 Empty threaded cylinder to screw the pin (30). 32 Nylon plug for closing of the notch hole (7). 33 Space for the cracking of the slat (3) for fillet insertion (25). 34 Containing space for the pins' heads. 35 Plug fixing screw (22).

Claims: CLAIMS 1) Device for the creation of a Venetian blind against forcing and intrusion that can be applied to windows or rooms of premises, characterized by the fact that it includes special metal slats (Fig. 8 N. 3) strenghtened inside by the various components of a steel strap (Fig. 8, 9 N. 17, 18, 19, 20, 21, 31); the slats (3) linked by head pins (30) to special lateral guides (Fig. 4 N. 4) that allow their anchoring, the inclination, the sliding; the slats (3), whose movements are synchronized by proper fillets (Fig. 8 N. 25, 26, 27) are provided with steel ropes (23) for their lifting. Everything is regulated by manual or electric commands that are in a box over the Venetian blind (1). 2) Slat in mould metal inside according to claim N. 1, characterized by the fact that its curved profile at the ends (15) with lateral grooves (16) creates a seat to contain various components for its sheating (Fig. 9) and it allows a perfect coupling between the slats (3). 3) Device according to claim N. 1, for the inner strap and the lateral closing of the slats (3), characterized by the fact that it has its components (Fig. 8 N. 17, 18, 19, 20, 21, 22, 31) fit for joining between them to create a single body with the slat (3) trough head pins (30) to the lateral guides of seal. (Fig 4 N. 4). 4) Device according to claim N. 1, characterized by the fact that the steel tube (21) receives and keeps in its ends the cylindrical inserts (31); in their cut screw cavity the head pins with neck (30) are screwed for the coupling of the slats (3) to the lateral guides (4). The block of the cylinder (31) in the tube (21) takes place by means of punching or electric welding. 5) Device according to claim N. 1, characterized by the fact that it has in the two ends some slats (3) or also in their body (Fig. 10 N. 33) stainless steel fillets wqith a particular shape (Fig. 8 N. 25, 26, 27) used for the synchronized movement of the slats (3) and to prevent the opening. These fillets are fixed to the slats with common screws and special pins (30) and proper spacers (28, 29). 6) Device according to claim N. 1, characterized by the fact that it has two lateral steel ropes (Fig. 9 N. 23) coupled to the first inferior slat (3) for the lifting or lowering of all the slats of this device (Fig. 11, 12, 13). 7) Device according to claim N. 1, characterized by the fact that it has two lateral guides (Fig. 4 N. 4); each of them is made up by two bodies (Fig. 5 N. 4, 6) joined between them trough an hinge (5). The first body is fixed to the lateral wall with screws (12) and has an inner groove (34) marked by two opposing fins (10) for the seal of the head of the pins (30). The second body (6) is mobile and used for the regulation and the fixing of the slats (3) in the horizontal, vertical and oblique position (Fig.l, 2, 6, 11). Both bodies have a groove (11) to insert nylon buffers. 8) Device according to claim N. 1, characterized by the fact that the mobile part (6) of the guide (4) has a separate cavity (7) that is partially removed with the milling to create notches (Fig. 3, 6 N. 7) that receive the slats (3) allowing the inclination according to the angulation given to these notches (7). The holes (7) produced in the guide (7) to create the notches are closed with nylon plugs (Fig. 6, 8 N. 32). 9) Device according to claim N. 1, characterized by the fact that the hinge (Fig. 5, 7 N. 5) of coupling of the two parts of the guide (4) has arranged on one side a bolt (Fig. 7 N. 13) made up by a vertical rod with various prominent hooks that go inside the corresponding holes of plates (9) welded on the other side of the hinge (5). The bolt (13) has its proper seamy top (14) for the linking to the movement commands that are in the box (1). All the profiles and accessory pieces concerned created or applied according to any of the above mentioned claims.

Inventors: GIOVANETTI QUINTO, GIOVANETTI, QUINTO
Applicants: GIOVANETTI QUINTO, GIOVANETTI, QUINTO
Application year: 1993
Main classification: E06B9
IPC codes: E06B9