ARMOURED ROLLER BLIND FOR WINDOWS AND THE LIKE

Abstract: A roller blind for closing windows and the like comprises a plurality of horizontal slats which run in vertical guides. The guides are provided with toothed rods preventing the slats from being raised.

Description: Description of the invention having as title: ARMOURED ROLLER BL IND FOR WINDOWS AND THE L I KE The common systems on the market for closing windows, shops, etc., carry out their task only through the lowering of the slats that slide up and down inside the "U" type side runner guides which make the forcing easy. In the name of Giovanetti Quinto, the Italian Patent N. 1187106 of December 16th 1987 has been granted, absorbed by the European Patent N. 0248837 registered on December 12th 1989 in the Central Patents Office, for a device that for the first time has anchored the slats of the mentioned roller blinds to the walls. Still in the name of Giovanetti Quinto the Italian Patent N. 1234471 of May 18th 1992 has been granted for the invention of an armoured roller blind with slats that can be spaced out between them. This invention adds in an autonomous way to the previous ones of the same author, creating a new roller blind (Fig. 1) which, together with the merit of being a very difficult to overcome barrier, has a comfortable passage of air and light and is of easy and cheap production. Furthermore, this invention changes the current technique to block the sliding of the blinds with bolts inserted in the slats, applying inside the side runner guides (17, 24) special rods (20) whose teeth (21) inserting themselves between the coupling pins (14, 15) of the slats to the guides (17, 24) stop them in the desired position. This way every slat of the rolling sheet creates an autonomous barrier. The roller blind uses steels fitting for every single necessity, its forcing requires special equipment, time, noise, all factors which exclude slapdash attacks of the thieves. The installing is not difficult since the roller blinds can be placed in the seats prepared for other rolling shutters. It can work both manually as well as with an electric engine. Mechanical device and working process. The slats (1) of the roller blind can be produced with extruded metal or sheet steel. They have a small central hole (5) to contain the sheating (7) with at the top a long neck (2) which ends with a hook (3) where wide horizontal windows are punched; at the bottom they have two parallel walls and one of them ends with a hook (4) for the neck seal (2) of the below slat. The slats can be produced in different dimensions and thicknesses according to the required protection. In the empty part of the slat (5) a steel sqare tube is inserted (Fig. 4 N. 7); its ends are cut screw for the screwing of the coupling pins (14, 15) to the side runner guides (17, 24). In the inner hole (8) of the tube, before the screwing of the pins, a cut-proof steel round (Fig. 3, 4 N. 9) is inserted; it fills up all the space between the mentioned pins and completes the sheating of the slat. In the cavity (6) of the first inferior slat, a metal profile with the same shape (10) is inserted with an external base as supporting plinth on the treshold. In the plinth (Fig. 3, 4 N. 10) one or more cylindrical pins (11) are screwed down; penetrating in the treshold they form an effective screwed connection. The slats are now being inserted one into the other to create the rolling sheet. At this moment the lateral plugs (12) are put on and the head pins (14, 15) are being screwed on; the neck (16) of the heads stops the plug (12) inside the slat (1). The runner guides containing the roller blinds consist of two types: 1 °) (Fig. 3, 5 N. 17) completely inserted into the wall for new buildings. 2°) (Fig. 3, 6 N. 24) partially outer for the installation inside the already exsisting runner guides. Both runner guides (17, 24) are strongly fixed to the lateral walls with screws (25), they have inside two opposing fins (18) for the seal of the pins' head (14, 15) and a circular cavity (19) for the vertical fitting of a cylindrical rod (20) whose teeth, (21) regularly spaced out when the rod is turned, inserts between the pins (14, 15) blocking the sliding of all the slats (1). The top of the toothed rod (20) is linked by a lever to the common command systems on the market, synchronized with the roll's commands for the rolling of the blind in order that the sliding can happen only after that the teeth (21) of the rod (20) have set free the pins stroke (14, 15). List of Reference Numbers: Metal slat. Neck of the slat with windows. Coupling hook of the slat. Space where the hook (3) is placed. Hole for the insertion of the sheating tube (7). Cavity for the neck of the slat (2). Steel sheating tube. Hole in the tube (7) for insertion of the steel round (9) and for the pins' screwing (14, 15). Tempered steel round. Supporting plinth to the treshold. Fixing cylinder in the treshold to be screwed on the plinth (10). Lateral plug for closing of the slat (1). Hole in the plug (12) for the pins' screwing (14, 15). Steel head pin for the inner runner guides (17). Steel head pin for the outer runner guides (24). Pin's neck. Side runner guide totally inserted in the wall. Seal fins of the pins' head (14, 15). Cavity for containing of the toothed bolt (20). Cylindrical rod of the bolt. Teeth of the bolt to block the pins' sliding (14, 15). Hole to connect the movement lever of the bolt. Nylon brush shaped buffers. Outer runner guide for insertion in the already existing guides. Screw to fix the runner guide to the wall.

Claims: CLAIMS 1) Device for the accomplishment of an armoured roller blind which can be applied to windows and in the rooms of other premises, characterized by the inclusion of a metal slat with wide windows (Fig. 1, 2 N. 1) strengthened in its inner cavity (5) by a steel frame (Fig. 3, 4 N. 1, 7, 9), a slat linked by head pins (14, 15) to special runner guides (Fig. 3, 5, 6 N. 17, 24) fixed with screws (25) to the lateral walls and having inside toothed rods (20) which stop the sliding of every single slat (19 in the wanted position. 2) Metal slat (Fig.l, 2, 3 N. 1) according to claim N. 1, characterized by the fact that its particular profile made up by a central body (5) with a long superior neck (2) which ends as a hook (3) to join the hook (4) of the slat (1) above in the cavity of which it finds full reception, allows wide horizontal windows (Fig. 2 N. 2) and the insertion of a steel frame (Fig. 3, 4 N. 7, 9) in the central part (5). 3) Device according to claim N. 1, characterized by the fact that each slat (1) receives in its cavity (5) a steel tube of the same dimension (7) with a round hole (8) where a cut-proof steel round (Fig. 3, 4 N. 9) is inserted, the hole is threaded in the two ends for the screwing of the coupling pins (14, 15) of the slats (1) to the lateral runner guides (17, 24). 4) Device according to claim 1, characterized by the fact that the first inferior slat contacting the treshold, has inserted a metal profile (Fig.3, 4 N. 10) which occupies the whole groove (6) of the slat (1) and it incorporates with an expansion outside used as plinth, the hook ending part as (4) of the slat. 5) Device according to claim N. 1, characterized by the fact that each runner guide totally inserted in the lateral wall (Fig. 3, 5 N. 17) has an inner part marked by two opposing fins (18) for the seal of the head of the pins (14) and a semicircular groove (19) to contain a toothed cylindrical rod (Fig. 3 N. 20, 21, 22) used as bolt to stop the stroke of every single pin (14), has also a seat to place fixing screws (25) of the runner guide (17) to the wall. 6) Device according to claim N. 1, characterized by the fact that each runner guide (Fig. 3, 6 N. 24) for the installing inside the common "U" type runner guides already existing has a groove marked by two opposing fins (18) for the seal of the head of the pins (15) besides another semicircular groove (19) to contain a toothed cylindrical rod (Fig. 3 N. 20, 21, 22) used as bolt to stop the stroke of every single pin (15), it has also two outer fins to place the fixing screw (25) to the wall. 7) Device according to claim N. 1, characterized by the fact that each runner guide (Fig. 3 N. 17, 24) is equipped with a cylindrical rod (Fig. 3 N. 20) with a series of teeth (21) spaced out between them in corrispondence to the position of the coupling pins (14, 15) which are used to stop the sliding of the mentioned pins (14, 15) inside the runner guides (17, 24). 8) Device according to claim N. 1, characterized by the fact that each slat (1) has in its ends a metal plug (Fig. 3, 4 N. 12) used for the fixing of the armouring tube (7) and the regular alignment of the slats (1), the plug is blocked inside the slat (1) by the neck (16) of the pins (14, 15). 9) Relative profiles and accessory pieces created and used 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