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(11) | EP 3 470 612 A1 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | ROLLING SHUTTER DEVICE |
| (57) A rolling shutter (T) device (D), comprising rotating drum means (1) about which
said shutter (T) is capable of being wound, and container means (C) adapted to accommodate
them, said rotating drum means (1) having a slit (F) through which a free end (Ti)
of said rolling shutter (T) can protrude, said drum means (1) comprising at least
two rotating drums (2,3) arranged with parallel and spaced axes so as to define a
substantially elongate ring winding path (4) for said rolling shutter (T);
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DESCRIPTION
[0002] In particular, the present invention is advantageously used for the optimal and effective movement of unwinding / winding of rolling shutters or rolling shutters for the closing / opening of windows, French windows and the like of houses or buildings in general, to which the following description will make explicit reference without losing this in general.
[0003] In the field of building constructions, the use of roller shutters or rolling shutters adapted to close the open compartments formed on the walls and defining the windows and / or the French windows of the buildings is universally known.
[0004] In general, a roller shutter is normally fixed and collected wound around a tubular element or rotating drum mounted inside a box container, which is arranged and embedded in the wall, or part of the wall itself, in correspondence of a upper part of the window of a building and is provided with a lower slit through which a free end of this shutter is able to escape to be carried out by sliding downwards or upwards in order to close or open the space defining the window itself.
[0005] The movement of the shutter takes place through the manual operation of a drive belt connected to the drum on which the roller shutter is wound, or by the actuation of an unwinding / winding gearmotor mounted directly inside the said drum, or arranged externally.
[0007] Indeed, in the case of windows or French windows of large dimensions and extensions to allow the rooms inside the building to present an adequate brightness, it is necessary to use containers with a large overall dimensions in order to enclose the shutter when completely wound. , with the consequence of unsightly volumes and large portions of the wall, in particular facing inside the building or home, which must necessarily be provided for and used for the installation of the box itself.
[0008] The object of the present invention is to overcome the drawbacks of the prior art described above.
[0009] Another object of the present invention is that of obtaining an optimal and advantageous degree of brightness to the internal rooms of the building or dwelling.
[0010] Further characteristics of the invention and the advantages deriving therefrom will appear better evident from the claims below and from the following description made with reference to the figures of the attached drawings, which show a preferred but not limitative embodiment of the device in question, in which:
- Figure 1 represents the rolling shutter device in question in a schematic front view; is
- Figure 2 shows a side view in vertical section and with parts removed for clarity of the device of Figure 1.
[0011] With reference to the accompanying figures 1 and 2, D indicates globally a rolling shutter device T able to close the compartments formed on the walls and defining windows and / or windows for buildings or houses.
[0012] The device D comprises a box container C, within which the rolling shutter T is substantially arranged and which is provided with a bottom wall P provided with an open slot F through which a free end Ti of shutter T is able to slide to escape out of the box C.
[0013] A pair 1 of rotary drums 2 and 3, each of the same or different shape, with spaced apart axes parallel to each other around which the roller shutter T is, in use, substantially wrapped and collected defining a path 4 of winding / unwinding with an elongated conformation.
[0014] The drum 2 has, preferably but not limited to, a diameter greater than the diameter of the drum 3.
[0015] The two drums 2 and 3 are connected to each other by means of a pair 5 of transmission / entrainment belts 6 and 7 spaced from each other, with the drum 2 rotated, alternatively, clockwise or counterclockwise, by manual action or under the thrust of a geared motor (known and not shown) mounted, preferably but not limitedly, inside said drum 2, or by means of a traditional manual drive belt system applied to the drum 2, whereas the drum 3 is mounted in a idly way.
[0016] The shutter T is fixed, at an end Tf opposite the aforementioned free end Ti, to the belts 6 and 7 by means of suitable fixing means of various nature and material and generally indicated by M in Figure 2.
[0017] The aforementioned transmission belts 6 and 7 can be of various types and materials, such as smooth or toothed belts, or smooth or toothed belts, or replaced by chain means or equivalent systems.
[0018] In order to allow the correct winding / unwinding of the shutter T, the transmission belts 6 and 7 can also be mounted on the drums 2 and 3.
[0019] On the same drums 2 and 3, preferably near their opposite side ends, at least one pair 8 of compensation rings 9 and 10 made of rubber, sponge or other elastic material is provided, arranged between them suitably spaced, to the precise and sole purpose of guaranteeing the optimal and effective winding / unwinding the shutter T on the aforementioned drums 2 and 3 during its movement during opening / closing of the window or French window.
[0020] Similarly, also on the aforementioned belts 6 and 7 compensating means can be mounted made of rubber, sponge or other resilient or yielding equivalent material. According to a preferred embodiment, not illustrated, such rings 9 and 10 are each mounted on a hollow tubular element, which in turn is free to rotate idly on the drum 2,3.
[0021] According to a further preferred embodiment also not shown, on the opposite ends of the components (slats) forming the shutter T are advantageously applied small appendages (plugs) protruding from the ends themselves and adapted to facilitate the support and the sliding of the aforementioned components of the shutter T.
[0022] As illustrated in Figure 2, the two drums 2 and 3 of the pair 1 are aligned on a vertical plane, with the drum 2 placed above the drum 3, the latter placed near the and above the slit F: in such a way the device D thus obtained is advantageously used in the case, for example, of buildings with high walls and mainly low thickness, so as to have the box C occupying a reduced overall size.
[0023] According to an alternative arrangement not shown, the pair 1 is aligned on a horizontal plane, with the drum 2 arranged adjacent to the drum 3, the latter placed near the and substantially above the slot. F: in this way, the device D thus obtained is advantageously used in the case of buildings with low walls and with a large thickness, so as to have also in this case the container C occupying a reduced size and able to make more space available to the brightness of the environment.
1. A rolling shutter (T) device (D), comprising rotating drum means (1) about which said
shutter (T) is capable of being wound, and container means (C) adapted to accommodate
them, said rotating drum means (1) having a slit (F) through which a free end (Ti)
of said rolling shutter (T) can protrude, said drum means (1) comprising at least two rotating drums (2,3) arranged with parallel and spaced axes so as to
define a substantially elongate ring winding path (4) for said rolling shutter (T);
characterized in that said drums (2,3) are provided with elastic compensating means (8,9, 10) for said
rolling shutter (T) defined by rings (9, 10) made of rubber, sponge or other elastic
or yielding material, disposed appropriately spaced each other on said drums (2,3)
so as to ensure effective movement of said shutter (T) and its proper winding on the
said drums (2,3).
2. A device according to claim 1, characterized in that said pair (1) of drums (2,3) are arranged with their axes aligned on vertical planes.
3. A device according to claim 1, characterized in that said pair (1) of drums (2,3) are arranged with their axes aligned on a horizontal
plane.
4. A device according to one or more of claims 1 to 3, characterized in that said drums (2,3) comprise a first rotating operating drum (2) connected to a second
drum (3) which can be idle rotated through transmission belt means (5, 6, 7) mounted
on said first and second drum (2,3) and secured to said rolling shutter (T)..
5. A device according to claim 4, characterized in that said transmission means (5, 6, 7) comprise belt or tape means or equivalent.
6. A device according to claim 5, characterized in that said belt or tape means can be toothed, smooth, rough, perforated, toothed, etc.
7. A device according to one or more of the claims from 4 to 6, characterized in that said first drum (2) is a motor driven rotary drum under the thrust of motor means,
or by manual action.
8. A device as claimed in any one claim 1 to 7, characterized in that said compensation means (8, 9,10) are provided fixed to tubular means, said tubular
means being idle rotating mounted on said drums (2,3).
9. A device according to one or more of the claims from 1 to 8, characterized in that said container means (C) are mounted in extractable manner on sliding guide means.