EP3164555A1 - Adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents - Google Patents
Adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agentsInfo
- Publication number
- EP3164555A1 EP3164555A1 EP15753162.5A EP15753162A EP3164555A1 EP 3164555 A1 EP3164555 A1 EP 3164555A1 EP 15753162 A EP15753162 A EP 15753162A EP 3164555 A1 EP3164555 A1 EP 3164555A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- louvers
- folding
- rain
- sun
- rays
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
- E04F10/08—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae
- E04F10/10—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae collapsible or extensible; metallic Florentine blinds; awnings with movable parts such as louvres
Definitions
- the present invention relates to the field of shading structures used to obtain an adequate covering and protection from the sun and from the rain.
- the model relates to a mechanism for actuating adjustable covering louvers used in shading structures, which may be folded, when needed, by means of a pantograph mechanism.
- an arbor is a modular structure consisting of a plurality of elements assembled so as to guarantee shaded zones in external environments and covering to protect from the rain.
- Conventional arbors generally consists of at least two vertical pillars, if the arbor leans by one side on a wall, or of a plurality of pillars in all the other cases, and of at least two longitudinal beams and two transversal beams which confer rigidity to the structure and which work as resting elements of the covering, which may consist either of a sunshade or of a series of adjustable louvers.
- the known arbors are provided with a device substantially consisting of a lever which allows to orient the louvers constituting the covering as a function of the atmospheric conditions in order to determine a greater or lesser exposure to the sun's rays or to the atmospheric elements and guarantee a greater ventilation to the zone under the arbor.
- the known arbors with fixed louver covering do not allow a full exposure of the zone underneath because of the impossibility to fold the adjustable louvers, unlike the coverage formed by a retractable sunshade.
- louver actuating and folding mechanisms have a series of drawbacks, which include high structural complexity, consequent high production cost and high number of components needed for operation.
- louver actuating and folding mechanisms require a higher number of maintenance operations because of the high number of components needed for operation.
- Object of the present model is to provide an adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents, which has greater simplicity of construction and operation with respect to the folding mechanisms of known type.
- a further object of the present model is to provide an adjustable louvers folding and rotating mechanism which has a low number of mechanical elements needed to obtain the rotation of the louvers about their axis and which allows the movement in order to fold the louvers themselves on one side of the arbor.
- Another object is to provide an adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents, which allows to fold the louvers and to adjust the tilt of the louvers when the covering is fully extended.
- a last object of the present model is to provide an adjustable louvers folding and rotation mechanism, which requires a lower number of maintenance interventions with respect to the mechanisms used in the coverings of known type.
- adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents of the present model, of which a preferred embodiment which does not limit further developments of the field of the model is described below with the help of drawings which illustrate the following figures:
- Figure 1 is an exploded axonometric view of the adjustable louvers folding and rotation mechanism
- Figure 2 is an axonometric view of the mechanism with the adjustable louvers in step of full extension
- Figure 3 is an axonometric view of the mechanism with the louvers folded.
- the adjustable louvers folding and rotation mechanism comprises a guiding section bar 1.
- a guiding section bar 1 has a longitudinal groove lb with a substantially cylindrical, partially open section which is pronounced of a "C" shape, for housing an involute worm 2, and a longitudinal groove la, the object of which is to work as a rail for the sliding of a plurality of carriages 6.
- the guiding section bar 1 may be made by means of an extrusion or press bending process of welded metal sheets. Furthermore, the cross section of such a section bar 1 must have appropriate width and shape to guarantee mechanical strength to bending, torsion and cutting stresses. Said shape may be tubular, rectangular, polygonal or single wall.
- the mechanism may further comprise a plurality of rods 3, each of which is hinged by means of a pin 7, to other rods 3 ' , 3 " at the ends 3a and 3b. Furthermore, each rod 3, by means of a pin 4, is hinged in turn to a further rod 3" ' at its middle line 3 c.
- a structure 8 known as "pantograph”. Such a pantograph 8 is constrained to the guiding section bar 1 , and moves in direction parallel to the guiding section bar 1 determining the extension or retraction of the covering louvers (not shown) which will be connected to it at the pin 4.
- connection between the rods 3, having the purpose of obtaining such a configuration, allows different points of the system to obtain the same movement.
- the first carriage 61 will be constrained at the end 11 of the profile 1 and the remaining part of the carriages 6, the pantograph 8 and the covering louvers can translate at the same time in the longitudinal direction of the section bar 1 by means of the connection obtained between the aforesaid components by the pantograph 8.
- the rods 3 are made of metal or different material and are appropriately dimensioned in order to withstand the stresses which derive from the actuation and folding of the adjustable louvers connected to said rods 3, as shown in figure 2 in which the louvers are in the fully extended configuration and in figure 3 in which the adjustable louvers are in the folded configuration.
- the connection between the pairs of rods 3 at the middle line 3 c is obtained by using a pin 4.
- Said pin 4 is constrained by one end 4a to the adjustable louvers (not shown) and by the other end 4b to a toothed wheel 5.
- the rotation of the worm 2 may be achieved by means of actuating means of electrical, mechanical pneumatic or hydraulic nature.
- Other members for reduction of number of revolutions, angular transmissions or other belt or chain systems may be used to obtain said rotation.
- the rotation of the toothed wheel 5 may be achieved by translating a rack placed in a corresponding groove on the guiding section bar 1.
- the extension and retraction movement of the pantograph 8 occurs in direction parallel to the guiding section bar 1.
- the rods 3 are also hinged by the ends 3a in contact with the guiding section bar 1 to the carriages 6.
- Said carriages 6 are constrained to slide in the longitudinal groove la of the guiding section bar 1 by means of anti-friction wheels 6a made of plastic material or steel.
- the translation of the carriages 6 in the groove la may be achieved by constraining the first carriage 62 to a belt 9, which may be actuated by an electric motor (not shown).
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Blinds (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Wrappers (AREA)
- Packaging Of Machine Parts And Wound Products (AREA)
Abstract
An adjustable louvers folding and rotation mechanism able to protect an area underneath the covering from sun's rays, rain or other atmospheric agents. The device comprises a plurality of louvers for covering an area underneath, which louvers are engaged by a plurality of rods (3), which are constrained in turn so as to make a pair of pantograph (8) mechanisms, the latter constrained to guiding section bars (1) by means of carriages (6). The device is characterized in that the guide section bars comprise a partially open longitudinal groove (1b) shaped so as to contain an involute worm (2), the axis of which is parallel to the longitudinal direction of development of said guiding section bar (1) and a longitudinal groove (1a) able to retain and allow the sliding of said carriages (6). The device is further characterized in that the ends (4a, 4b) of said louvers are constrained to an end of a pin (4), which constrains a pair of rods (3) at the middle line (3c), and is provided with a toothed wheel (5), which is adapted to mesh with the involute worm (2) when said pantograph (8) is in the fully extended configuration thus determining the rotation of the louvers.
Description
DESCRIPTION
ADJUSTABLE LOUVERS FOLDING AND ROTATION MECHANISM ABLE TO PROTECT FROM SUN'S RAYS, RAIN OR OTHER ATMOSPHERIC AGENTS
The present invention relates to the field of shading structures used to obtain an adequate covering and protection from the sun and from the rain. In detail, the model relates to a mechanism for actuating adjustable covering louvers used in shading structures, which may be folded, when needed, by means of a pantograph mechanism.
As known, an arbor is a modular structure consisting of a plurality of elements assembled so as to guarantee shaded zones in external environments and covering to protect from the rain. Conventional arbors generally consists of at least two vertical pillars, if the arbor leans by one side on a wall, or of a plurality of pillars in all the other cases, and of at least two longitudinal beams and two transversal beams which confer rigidity to the structure and which work as resting elements of the covering, which may consist either of a sunshade or of a series of adjustable louvers.
In the latter case, the known arbors are provided with a device substantially consisting of a lever which allows to orient the louvers constituting the covering as a function of the atmospheric conditions in order to determine a greater or lesser exposure to the sun's rays or to the atmospheric elements and guarantee a greater ventilation to the zone under the arbor.
Although they can determine a good exposure of the part underneath to the sunlight, the known arbors with fixed louver covering do not allow a full exposure of the zone underneath because of the impossibility to fold the adjustable louvers, unlike the coverage formed by a retractable sunshade.
Furthermore, arbors with retractable louvers coverage are known, but in this type of structures the louvers are actuated and folded by means of complex chain or jointed arm mechanisms, the latter additionally consisting of a high number of mechanical components having the purpose of
obtaining the rotation of the adjustable louvers about an axis and the folding thereof in order to obtain a greater lighting and ventilation of the covered compartment.
Thus, the louver actuating and folding mechanisms have a series of drawbacks, which include high structural complexity, consequent high production cost and high number of components needed for operation.
Furthermore, the louver actuating and folding mechanisms require a higher number of maintenance operations because of the high number of components needed for operation.
Object of the present model is to provide an adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents, which has greater simplicity of construction and operation with respect to the folding mechanisms of known type.
A further object of the present model is to provide an adjustable louvers folding and rotating mechanism which has a low number of mechanical elements needed to obtain the rotation of the louvers about their axis and which allows the movement in order to fold the louvers themselves on one side of the arbor.
Another object is to provide an adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents, which allows to fold the louvers and to adjust the tilt of the louvers when the covering is fully extended.
A last object of the present model is to provide an adjustable louvers folding and rotation mechanism, which requires a lower number of maintenance interventions with respect to the mechanisms used in the coverings of known type.
These and other objects, which will be more apparent from the following description, are achieved by the adjustable louvers folding and rotation mechanism able to protect the zone underneath said adjustable louvers from sun's rays, rain or other atmospheric agents of the present model, of which
a preferred embodiment which does not limit further developments of the field of the model is described below with the help of drawings which illustrate the following figures:
Figure 1 is an exploded axonometric view of the adjustable louvers folding and rotation mechanism;
Figure 2 is an axonometric view of the mechanism with the adjustable louvers in step of full extension;
Figure 3 is an axonometric view of the mechanism with the louvers folded.
With reference to figure 1, the adjustable louvers folding and rotation mechanism comprises a guiding section bar 1. Such a guiding section bar 1 has a longitudinal groove lb with a substantially cylindrical, partially open section which is reminiscent of a "C" shape, for housing an involute worm 2, and a longitudinal groove la, the object of which is to work as a rail for the sliding of a plurality of carriages 6.
The guiding section bar 1 may be made by means of an extrusion or press bending process of welded metal sheets. Furthermore, the cross section of such a section bar 1 must have appropriate width and shape to guarantee mechanical strength to bending, torsion and cutting stresses. Said shape may be tubular, rectangular, polygonal or single wall.
With reference to figure 1, the mechanism may further comprise a plurality of rods 3, each of which is hinged by means of a pin 7, to other rods 3 ' , 3 " at the ends 3a and 3b. Furthermore, each rod 3, by means of a pin 4, is hinged in turn to a further rod 3" ' at its middle line 3 c. As shown in figure 2 and 3, the connection thus described between a plurality of pairs of rods 3 allows making a structure 8 known as "pantograph". Such a pantograph 8 is constrained to the guiding section bar 1 , and moves in direction parallel to the guiding section bar 1 determining the extension or retraction of the covering louvers (not shown) which will be connected to it at the pin 4.
The connection between the rods 3, having the purpose of obtaining such a configuration, allows different points of the system to obtain the same movement. In particular, the first carriage 61 will be constrained at the end 11 of the profile 1 and the remaining part of the carriages 6, the
pantograph 8 and the covering louvers can translate at the same time in the longitudinal direction of the section bar 1 by means of the connection obtained between the aforesaid components by the pantograph 8.
Furthermore, the rods 3 are made of metal or different material and are appropriately dimensioned in order to withstand the stresses which derive from the actuation and folding of the adjustable louvers connected to said rods 3, as shown in figure 2 in which the louvers are in the fully extended configuration and in figure 3 in which the adjustable louvers are in the folded configuration. The connection between the pairs of rods 3 at the middle line 3 c is obtained by using a pin 4. Said pin 4 is constrained by one end 4a to the adjustable louvers (not shown) and by the other end 4b to a toothed wheel 5.
In such a manner, the contact and thus the meshing between the involute worm 2 and each of the toothed wheel 5 is achieved when the rods 3 are in the configuration in figure 2, consisting in the full extension of the pantograph 8, which corresponds to the full extension of the adjustable louvers so as to guarantee the covering of the zone underneath the arbor.
When the meshing between each toothed wheel 5 and the involute worm occurs, following the rotation of the involute worm 2, the rotation of the louvers is obtained about the axis of the pin 4 with the consequent opening/closing of the covering.
The rotation of the worm 2 may be achieved by means of actuating means of electrical, mechanical pneumatic or hydraulic nature. Other members for reduction of number of revolutions, angular transmissions or other belt or chain systems may be used to obtain said rotation.
In a different configuration, the rotation of the toothed wheel 5 may be achieved by translating a rack placed in a corresponding groove on the guiding section bar 1.
As shown in figure 3, the extension and retraction movement of the pantograph 8 occurs in direction parallel to the guiding section bar 1. The rods 3 are also hinged by the ends 3a in contact with the guiding section bar 1 to the carriages 6. Said carriages 6 are constrained to slide in the longitudinal groove la of the guiding section bar 1 by means of anti-friction wheels 6a made of
plastic material or steel. The translation of the carriages 6 in the groove la may be achieved by constraining the first carriage 62 to a belt 9, which may be actuated by an electric motor (not shown).
Claims
1. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents, comprising a plurality of louvers for covering an area underneath, said louvers being arranged parallel to one another between a pair of guiding section bars (1) perpendicular to said louvers, each of said louvers being able to rotate about a longitudinal axis thereof and said covering louvers being engaged to a plurality of rods (3) constrained to one another so as to form a pair of pantograph mechanisms (8), the latter being constrained to said guiding sections (1) by means of carriages (6) so as to be able to either extend or retract in direction parallel to the longitudinal development of said guiding sections (1) between a fully extended position of the louvers and a folding position of the louvers themselves, said mechanism being characterized in that said guiding sections (1) comprise a partially open longitudinal groove (lb) shaped so as to contain an involute worm (2), the axis of which is parallel to the longitudinal direction of development of said guiding section bars (1), and a longitudinal groove (la) able to retain and allow the sliding of the carriages (6) and parallel to said groove (lb) being characterized in that the ends of said louvers are constrained to an end (4a) of a pin (4), said pin (4) constituting a cylindrical hinge which constrains a pair of rods (3) at the middle line (3 c) and said pin (4) having on the other end (4b) a toothed wheel (5), the latter being suited to mesh with the involute worm (2) when said pantograph (8) is in fully extended configuration, the rotation of said involute worm (2) being able to obtain the rotation of the louvers about the axis of the pin (4)·
2. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to claim 1, characterized in that each pantograph mechanism (8) consists of a plurality of rods (3), each rod (3) being hinged by means of
cylindrical hinges (7) to other rods (3 '), (3 ' ') at the ends (3a) and (3b) and hinged by means of a pin (4) to a further rod (3"') at the middle line (3c) thereof.
3. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that the rods (3) are hinged to carriages (6) on the ends (3a) in contact with the guiding section bar (1).
4. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that the rotation of the involute worm (2) is achieved by means of actuating means of electric, mechanical, pneumatic or hydraulic nature.
5. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to claim 1 , characterized in that the carriages (6) are constrained to slide in the longitudinal groove (la) of the guiding section bar (1) by means of anti-friction wheels (6a).
6. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that the guiding section bar (1) has a tubular, rectangular, polygonal section or is of the type with one wall.
7. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that the rotation of said toothed wheel (5) is determined by the translation of a rack.
8. An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that the
first carriage (61) is constrained to the end (11) of the section bar (1), and the last carriage (62) is constrained to a belt (9) able to obtain the translation of the carriages (6) in the groove (la).
An adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents according to the preceding claims, characterized in that said belt (9) is actuated by an electric motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBA2014U000016U ITBA20140016U1 (en) | 2014-07-04 | 2014-07-04 | "MECHANISM OF PACKAGING AND ROTATION OF ADJUSTABLE SLATS TO PROTECT FROM SOLAR RAYS, RAIN OR OTHER ATMOSPHERIC AGENTS" |
| PCT/IB2015/001102 WO2016001739A1 (en) | 2014-07-04 | 2015-07-02 | Adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3164555A1 true EP3164555A1 (en) | 2017-05-10 |
Family
ID=53887149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15753162.5A Withdrawn EP3164555A1 (en) | 2014-07-04 | 2015-07-02 | Adjustable louvers folding and rotation mechanism able to protect from sun's rays, rain or other atmospheric agents |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170138057A1 (en) |
| EP (1) | EP3164555A1 (en) |
| IT (1) | ITBA20140016U1 (en) |
| WO (1) | WO2016001739A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590055A (en) * | 2018-03-08 | 2018-09-28 | 魏磊 | A kind of device for building window sunshade |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3049976B1 (en) * | 2016-04-12 | 2022-08-05 | Biossun | INSTALLATION FOR COVERING AND UNVEILING A SURFACE USING ATTACHED SELF-PROPELLED SWIVEL BLADES |
| US10094122B1 (en) * | 2017-06-06 | 2018-10-09 | Optimal Tasarim Uygulama Ve Yapi Sistemleri San. Ve Tic. Anomim Sirketi | Automatic wide angle panel roof |
| EP3707337B1 (en) * | 2017-10-30 | 2023-10-11 | Advanced Design Innovations Pty Ltd | Retractable roof/wall assembly |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3717195A (en) * | 1971-05-14 | 1973-02-20 | G Larranaga | Automatic metal louvered safety blind |
| US4330020A (en) * | 1977-08-24 | 1982-05-18 | Glynn Thomas J | Ventilating entry-proof window |
| JPS62140193U (en) * | 1986-02-26 | 1987-09-04 | ||
| US5865234A (en) * | 1996-08-12 | 1999-02-02 | Kabushiki Kaisha Nichibei | Vertical blind |
| IL154223A0 (en) * | 2003-01-30 | 2003-07-31 | Parma Shutter Technologies Ltd | Door shutter mechanism |
| US7681620B2 (en) * | 2003-01-30 | 2010-03-23 | Parma Shutter Technologies Ltd | Stacking mechanism |
| US8979622B2 (en) * | 2009-08-31 | 2015-03-17 | Daniel P. Casey | Louver system |
| JP5347902B2 (en) * | 2009-10-22 | 2013-11-20 | ヤマハ株式会社 | Sound processor |
| US8851142B2 (en) * | 2010-04-12 | 2014-10-07 | Jason T. Birkestrand | Vertical blind assembly |
| US9260913B2 (en) * | 2010-04-12 | 2016-02-16 | Jason T. Birkestrand | Vertical blind assembly |
| WO2013016761A1 (en) * | 2011-07-29 | 2013-02-07 | Advanced Design Innovations Pty Limited | A retractable louvre system |
| DK2850260T3 (en) * | 2013-06-07 | 2015-11-30 | Renson Sunprot Screens Nv | lamellar structure |
-
2014
- 2014-07-04 IT ITBA2014U000016U patent/ITBA20140016U1/en unknown
-
2015
- 2015-07-02 EP EP15753162.5A patent/EP3164555A1/en not_active Withdrawn
- 2015-07-02 WO PCT/IB2015/001102 patent/WO2016001739A1/en active Application Filing
- 2015-07-02 US US15/322,684 patent/US20170138057A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590055A (en) * | 2018-03-08 | 2018-09-28 | 魏磊 | A kind of device for building window sunshade |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170138057A1 (en) | 2017-05-18 |
| WO2016001739A1 (en) | 2016-01-07 |
| ITBA20140016U1 (en) | 2016-01-04 |
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