Device with flexible shutter

1. Flexible shutter system combined with a drive system in such a way as to permit the shutter ( 1 ) to move vertically between a closed position and an open position, said shutter ( 1 ) being intended to close an opening ( 5 ) or other aperture,

wherein the shutter ( 1 ) has at least one area of low resistance ( 11 ), to allow at least one access aperture to be created when the shutter ( 1 ) is broken at the location of said area of low resistance ( 11 ),

wherein the area of low resistance ( 11 ) contains at least two tapes ( 42 , 43 ) which are engageable with each other by least one slider ( 49 , 50 , 51 ),

whereby at least one point of commencement ( 44 ) of breakage of the area of low resistance ( 11 ) is provided where the tapes ( 42 , 43 ) cannot interlock over a certain part of their length.

2. System in accordance with claim 1 , characterized by the fact that the aforesaid area of low resistance ( 11 ) extends essentially vertically from the lower edge ( 4 ) of the shutter ( 1 ).

3. System in accordance with claim 1 , characterized by the fact that the shutter ( 1 ) has a zone of low resistance ( 14 ) which extends approximately horizontally between the side edges ( 2 , 3 ) of the shutter ( 1 ).

4. System in accordance with claim 1 , characterized by the fact that the above-mentioned area of low resistance ( 11 ) is formed by a cutout in the shutter ( 1 ) of which the edges ( 15 , 16 ) are connected in detachable way.

5. System in accordance with claim 4 , characterized by the fact that the edges ( 15 , 16 ) of the area of low resistance ( 11 ) overlap at least partially.

6. System in accordance with claim 1 , characterized by the fact that the area of low resistance ( 11 ) contains at least one closure ( 39 , 40 , 41 ) comprising said two tapes which are fitted with teeth ( 42 , 43 ) and which can engage in each other by said at least one slider ( 49 , 50 , 51 ), said closure ( 39 , 40 , 41 ) extending substantially in the direction of said area of low resistance ( 11 ).

7. System in accordance with claim 6 , characterized by the fact that the zip ( 39 , 40 , 41 ) is provided with the at least one point of commencement ( 44 ).

8. System in accordance with claim 1 , characterized by the fact that systems are provided to place the slider ( 49 , 50 , 51 ) in its parked position so that the tapes of the closure ( 39 , 40 , 41 ) can be separated in their entirety.

9. System in accordance with claim 1 , characterize by the fact that detection systems are provided to allow detection of whether the area of low resistance ( 11 ) has been broken, said detection systems combining with the drive system in order to prevent the shutter ( 1 ) from moving if it is broken at the location of the area of low resistance ( 11 ).

10. System in accordance with claim 9 , wherein the aforementioned detection systems include an electrical circuit ( 23 ) connected to the drive system ( 10 ) which is broken if the shutter ( 1 ) is broken at the location of the area of low resistance ( 11 ).

11. System in accordance with claim 10 , characterized by the fact that the aforementioned electrical circuit ( 23 ) has at least one contact ( 24 ) containing an electrical conductor on each of the edges ( 15 , 16 ) of the area of low resistance ( 11 ), the electrical conductor on one edge ( 15 , 16 ) making contact with the electrical conductor on the other edge ( 16 , 15 ), when said edges ( 15 , 16 ) are connected, said contact being opened if the shutter ( 1 ) is broken at the location of the area of low resistance.

12. System in accordance with claim 11 , characterized by the fact that the aforesaid electrical circuit ( 23 ) contains several contacts ( 24 ) which are connected in series.

13. System in accordance with claim 11 , characterized by the fact that the aforementioned contact ( 24 ) is formed by a press-stud ( 17 ) consisting of a button ( 26 ) connected to one of the edges of the area of low resistance ( 11 ) and a stud ( 26 ) connected to the other edge of the area of low resistance.

14. System in accordance with claim 9 , characterized by the fact that the detection systems include an electronic eye allowing detection of whether part of the shutter ( 1 ) is located outside the plane of the shutter ( 1 ) or whether an obstruction is present in the vicinity of the shutter ( 1 ).

15. System in accordance with claim 1 , characterized by the fact that automatic closure systems are provided, allowing automatic closure of the aforementioned access aperture.

16. System in accordance with claim 1 , characterized by the fact that the shutter has at least one stiffener ( 37 , 38 ), extending approximately across the direction of movement of the shutter ( 1 ) between the area of low resistance ( 11 ) and at least one side edge ( 2 , 3 ) of the shutter ( 1 ).

17. Flexible shutter system combined with a drive system in such a way as to permit the shutter ( 1 ) to move vertically between a closed position and an open position,

said shutter ( 1 ) being intended to close an opening ( 5 ) or other aperture,

wherein the shutter ( 1 ) has at least one area of low resistance ( 11 ), which, in the closed position, extends from a lower edge ( 4 ) of the shutter ( 1 ) to a certain height, on the latter, to allow at least one access aperture to be created when the shutter ( 1 ) is broken at the location of said area of low resistance ( 11 ),

wherein the area of low resistance ( 11 ) contains at least one zip having two tapes ( 42 , 43 ) and teeth which can engage in each other by a zip slider ( 49 , 50 , 51 );

wherein the zip ( 39 , 40 , 41 ) is provided with at least one point of commencement ( 44 ); and

wherein the teeth of at least one of said tapes ( 42 , 43 ) have been removed at least in part at the point of commencement ( 44 ).

18. Flexible shutter system combined with a drive system in such a way as to permit the shutter ( 1 ) to move vertically between a closed position and an open position,

said shutter ( 1 ) being intended to close an opening ( 5 ) or other aperture,

wherein the shutter ( 1 ) has at least one area of low resistance ( 11 ), which, in the closed position, extends from a lower edge ( 4 ) of the shutter ( 1 ) to a certain height on the latter, to allow at least one access aperture to be created when the shutter ( 1 ) is broken at the location of said area of low resistance ( 11 ),

wherein the area of low resistance ( 11 ) contains at least two tapes ( 42 , 43 ) which can engage in each other by at least one slider ( 49 , 50 , 51 );

wherein systems are provided to place the slider ( 49 , 50 , 51 ) in a parked position so that the tapes of the closure ( 39 , 40 , 41 ) can be separated in their entirety; and

wherein the teeth of one of said tapes ( 43 ) extends beyond the teeth of the other tape ( 42 ) so that the slider ( 49 , 50 , 51 ) can be placed in said parked position on the first tape ( 43 ).

19. Flexible shutter system combined with a drive system in such a way as to permit the shutter ( 1 ) to move vertically between a closed position and an open position,

said shutter ( 1 ) being intended to close an opening ( 5 ) or other aperture,

wherein the shutter ( 1 ) has at least one area of low resistance ( 11 ) , which, in the closed position, extends from a lower edge ( 4 ) of the shutter ( 1 ) to a certain height on the latter, to allow at least one access aperture to be created when the shutter ( 1 ) is broken at the location of said area of low resistance ( 11 ),

wherein the area of low resistance ( 11 ) contains at least two tapes ( 42 , 43 ) which can engage in each other by at least one slider ( 49 , 50 , 51 );

wherein an automatic closure systems are provided, allowing automatic closure of the access aperture; and

wherein the automatic closure system includes at least one elastic connection ( 31 , 32 ) connecting the edges ( 15 , 16 ) of the area of low resistance ( 11 ) in such a way as to return said edges ( 15 , 16 ) to the plane of the shutter ( 1 ).

20. Flexible shutter system combined with a drive system in such a way as to permit the shutter ( 1 ) to move vertically between a closed position and an open position,

said shutter ( 1 ) being intended to close an opening ( 5 ) or other aperture,

wherein the shutter ( 1 ) has at least one area of low resistance ( 11 ), which, in the closed position, extends from the lower edge ( 4 ) of the shutter ( 1 ) to a certain height on the latter, to allow at least one access aperture to be created when the shutter ( 1 ) is broken at the location of said area of low resistance ( 11 ),

wherein the area of low resistance ( 11 ) contains at least two tapes ( 42 , 43 ) which can engage in each other by at least one slider ( 49 , 50 , 51 );

wherein the shutter has at least one stiffener ( 37 , 38 ), extending approximately across the direction of movement of eth shutter ( 1 ) between the area of low resistance ( 11 ) and at least one side edge ( 2 , 3 ) of the shutter ( 1 ); and

wherein said stiffener ( 37 , 38 ) extending from one side edge ( 2 , 3 ) of the shutter ( 1 ) at the location of the area of low resistance ( 11 ) is connected to, but detachable from, a corresponding stiffener ( 37 , 38 ) extending to the other side edge ( 3 , 2 ) of the shutter ( 1 ).