Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent
1996-12-12
1998-03-03
Porol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
160 32, E06B 908
Patent
active
057224765
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention is related to a reversible slatted shutter which is structured in specific parts to allow cleaning from the same side, as for instance from inside the house in which the shutter is installed. The main parts providing this new concept consist of lateral rails or guides fitted in the shutter box and along which the slatted shutter runs in a labyrinthian manner designed to present both faces toward the same side according to the rolling/unrolling direction.
BACKGROUND OF THE INVENTION
At present, the cleaning of building shutters can only be accomplished from the inside, unless the worker or cleaning person is lowered externally down the facade, which is obviously dangerous and requires means not normally available to the users or citizens. Another way of cleaning the external face of the shutter is to dismount the shutter box lid to enable cleaning through the opening. With this system or procedure, regardless of the complexity involved in mounting and dismounting the shutter box lid, cleaning is not done effectively.
As a result of this, the external face of the shutters usually reveal dirt which is difficult to clean.
SUMMARY OF THE INVENTION
The slatted shutter of the invention solves this problem on the basis of a shutter assembly and guide mechanism which allows both sides of the shutter to be exposed toward the interior of the house, thereby allowing the shutter to be easily and comfortably cleaned.
More specifically, the slatted shutter of the invention is formed by a series of hollow slats on the ends of which are installed respective caps which carry respective pairs of wheels which slide along corresponding lateral guides provided on the sides of the window hollow, which guides extend upward in a kind of spiral which, on being traversed by the slatted shutter, makes the face of the shutter facing the outside at the inlet of the spiral to face the inside at the outlet, and vice versa.
The pairs of caps with their sliding wheels fitted at the end of each slat provide a means of traction for the slats and consequently the slatted shutter, said traction being achieved as a result of the fact that the teeth of a pinion which rotates integrally with the slatted shutter's general axis come between the wheel axes, said pinion engaging another pinion driven from a rolling traction belt pulley, which belt is fitted with a conventional tension device at its lower end.
Said slatted shutter includes alternatives for several of its elements, involving a series of improvements over the basic slatted shutter providing increased functional efficiency and proper guiding of the shutter.
One of the improvements affects the slats themselves, so that according to the invention the intermediate slats, namely all the slats in the slatted shutter save for the end (upper and lower) slats, present three cavities or compartments, one of said end cavities being open longitudinally for engagement between adjacent slats in view that each slat's opposite longitudinal edge presents a hook-shaped extension which is lodged in and hooked onto the open cavity at the opposite edge, said engagement being effective in that it prevents the slats from becoming disengaged and nonetheless allows each slat to tilt in respect to the adjacent slats to allow for the direction changes imposed along their movement over the labyrinthian guides.
Into both the remaining end tubular compartments or cavities in each slat, respective protrusions pertaining to a flat part adhered to the end of each slat are coupled by insertion, said part being provided with cylindrical, mutually equidistant sprockets which provide the sliding means for the slats and consequently for the slatted shutter, which sprockets also provide the means of meshing with the teeth of the corresponding pinions for the traction and guiding of the slats.
The end slatted shutter slats (upper and lower) finish in a closed curved shape, establishing a rounded edge which facilitates the sliding of the slatted shutter in both directions.
Another im
REFERENCES:
patent: 705553 (1902-07-01), Blake
patent: 1665028 (1928-04-01), Halvorsen
patent: 3516469 (1970-06-01), McDonald
patent: 4683932 (1987-08-01), Bubendorff
patent: 4889381 (1989-12-01), Tamblyn et al.
patent: 5484007 (1996-01-01), Rejc
patent: 5586592 (1996-12-01), McGregor
Lujan-Sanchez Francisco
Martin-Gomez Emiliano
Ceraper S.L.
Porol David M.
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