Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B7/00—Special arrangements or measures in connection with doors or windows
  • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
  • E06B7/08—Louvre doors, windows or grilles
  • E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
  • E06B7/086—Louvre doors, windows or grilles with rotatable lamellae interconnected for concurrent movement

Definitions

• the present invention relates to the building sector, in particular the closing of bay windows by means of louvered windows, and relates to a device for maneuvering louvers with assisted force.
• Louvered windows are windows provided with transparent or non-transparent parallel blades, overlapping by their longitudinal edges and mounted at their ends so as to pivot around a horizontal axis, these blades or louvers being actuated individually or in series by means of a corresponding operating device, lever, bevel gear or wheel and worm, to allow adjustment of air circulation and / or light penetration.
• the pivoting mounting of the louvers is generally carried out by means of devices cooperating with the ends of the blades forming the louvers and consisting of a gripping part of each end of the blades associated with a pivoting means in a corresponding bearing and by at least one element pivoting actuation of said blade.
• the gripping part of each end of the blades is constituted by a piece for receiving and holding said end of the blade, extending on either side of it, over all or part of its surface and possibly enclosing it.
• This gripping part of each end is connected to its pivoting means in the corresponding bearing by constitution in a single piece with the latter or by removable or final assembly, and the pivoting actuation element of the blade is in the form of 'A lever secured to one of the gripping parts of one end.
• pivoting mounting devices of the blinds certainly allow correct operation of the latter, however, they generally do not offer any flexibility of adaptation, for example to operating means.
• different in particular by modifying the connection between the grip part of the end of the blade cooperating with the corresponding pivoting actuating element, for example in the form of a lever.
• This has the consequence that a modification of a louver assembly, subsequent to installation, for example a change in arrangement of the actuating means, and therefore in the connection position of the latter on the actuating element in pivoting is impossible without additional adaptation work, the lever forming the pivoting actuating element being immutable indexed.
• the object of the present invention is to overcome these drawbacks by proposing a device for maneuvering louvers with assisted force allowing easy maneuvering of louvers whatever their number and dimensions, as well as easy adaptation of the louvers to different maneuvering devices. by modification of the assembly of its constituent elements.
• the shutter maneuvering device which comprises a means for centralized shutter control and a means for actuating the latter, these means being housed in a housing fixed in or on an upright of the shutter window , is characterized in that the actuating means of the louvers is provided with a device for compensating the weight of the blades constituting the louvers.
• FIG. 1 Figures 4 to 6 are views similar to that of Figure 1 of other alternative embodiments of the device;
• Figure 7 is a sectional view along BB of Figure 6;
• Figure 8 is a partial plan view in section of a pivoting louvered mounting device;
• Figure 9 is a sectional view along CC of Figure 8;
• FIG. 10 is a sectional view, along DD of FIG. 8, and
• FIG. 11 is a partial sectional view along EE of FIG. 9.
• Figures 1 and 2 of the accompanying drawings show, by way of example a louver operating device 1, which comprises a means 2 for centralized control of the louvers 1 and a means 3 for actuating the latter. These means 2 and 3 are housed in a housing 4 fixed in or on an upright 5 of the louvered window.
• the housing 4 is fixed in the amount 5, however, it can also be fixed on said amount 5 or offset, in particular for a remote control, depending on technical and / or aesthetic needs.
• the means 3 for actuating the blades constituting the louvers 1 is constituted, in known manner, by a rod 6 connecting the centralized control means 2 to individual levers 7 each secured to a pivot axis 8 of a louver blade 1.
• the means 3 for actuating the louvers 1 is provided with a device 10 for compensating the weight of the slats constituting the louvers 1.
• the operating forces of said louver blades can be limited to the only forces required to overcome the friction forces, so that the control means used can be very direct in action, that is to say without additional force reduction device.
• This device 10 for compensating the weight of the blades constituting the blinds 1 can be either in the form of a centralized device integrated by means of actuation of the blinds 1 (FIGS. 1 to 4), or in the form of a decentralized device acting at each louver blade 1 ( Figures 5 and 6).
• the device 10 is advantageously constituted by an elastic prestressing means 11 acting on a force transfer means and is actuated by the centralized control means 2, either directly, in the case of an embodiment in the form of a centralized compensation device ( Figures 1 to 4), either through the rod 6 of the means 3 for actuating the shutters 1, in the case of an embodiment in the form of a decentralized compensation device ( Figures 5 and 6).
• the elastic prestressing means 11 advantageously consists of a fixed spring, in the housing 4 containing the centralized control means 2, in the case of an embodiment in the form of a centralized compensation device, or directly in the upright 5 of the window , one of the ends of this spring resting on a stop 12 of the housing 4 or against the corresponding face of the upright 5, in the case of an embodiment in the form of a decentralized compensation device, while the other end acts on the way to force transfer.
• the means 11 balances the torque exerted in each position of the blades 1.
• the spring constituting the elastic prestressing means 1 1 has a calibration corresponding to the balancing torque to be developed, respectively to maintain the louver blades 1 in all equilibrium positions, in the case of '' an embodiment in the form of a centralized compensation device, or to individually maintain each louver blade 1 in its different opening positions, in the case of an implementation in the form of a decentralized compensation device, the opening displacement force or closing being provided by the centralized control means 2, so that the control of the louver blades 1 is of the non-return type ensuring their blocking in all positions.
• an actuation of the louver blades 1, by means of the means 2 will only require developing on this means 2 a force corresponding to that corresponding to the friction forces in the different bearings.
• the force transfer means is in the form of an eccentric operating plate 13, pivotally guided in the housing 4, provided with a lug drive 14 and articulated on the rod 6 via a pin 16.
• the spring constituting the elastic prestressing means 11 acts on the force transfer means constituted by the eccentric operating plate 13, by means of a control lever 17 cooperating at its free end with the force transfer means by means of the drive lug 14 secured to the operating plate 13 and guided in a guide slot 18 of the lever 17.
• the eccentric operating plate 13 forming the force transfer means is pivotally driven about its axis of articulation in the housing 4, so that the rod 6 is moved downward and to the right, which corresponds to the trajectory of the drive lug 20 of the arm 7, according to FIGS. 1 and 4, in the direction of an opening blinds 1.
• Figure 4 of the accompanying drawings shows an alternative embodiment of the compensation device of the means 3 for actuating the blades forming the louvers 1, in which the force transfer means, constituted by the eccentric operating plate 13, is connected to articulation to the control lever 17 by means of a link 19.
• pivoting of the lever 17 will have the effect of a substantially linear movement of the link 19, causing a corresponding pivoting of the plate and a displacement in the same direction of the rod 6.
• FIGS. 5 and 6 of the accompanying drawings show two alternative embodiments of the invention, in which the device 10 for compensating the weight of the blades constituting the louvers 1 is decentralized and is constituted, for each louver 1, by an elastic prestressing means 11, in the form of a spring, and by a lever 7, integral with the corresponding pivot axis 8 of the louver blade 1, articulated by a drive lug 20 on the rod 6 and connected to articulation with the spring forming the elastic prestressing means 11 by means of a connecting rod 21.
• the lever 7, integral with the pivot axis 8 of the louver blade 1 is provided with several holes 22 intended to cooperate with a lug secured to the corresponding end of the connecting rod 21, these holes 22 extending radially from the pivot axis 8 of the louver blade 1 and offset from a straight line connecting the pivot axis 8 to the drive pin 20 of the lever 7.
• each lever 7 is pivotally driven around the axis 8 of the louver 1 and the traction exerted by the spring forming the elastic prestressing means 11 on the link 21 and on the lever 7 achieves a lifting torque of the corresponding louver blade, the actuation of the means 2 simply requiring the development of a force corresponding to the friction forces in the different mechanisms.
• the force necessary for the operation of the means 2 is identical, the torque developed by the spring then serving only to maintain the louver blade and avoiding any sudden movement due to the weight of the latter.
• the elastic prestressing means 11 provides the same effect.
• the means 2 for centralized control of the louver blades 1 is advantageously constituted by a sliding handle 23 guided in the housing 4 and acting on the control lever 17 cooperating with the actuation means 3 louvre blades 1 by means of a cam 24 cooperating with at least one roller 25 of a pivot plate 26 articulated on said lever 17 ( Figure 1).
• a vertical displacement of the handle 23 will cause a corresponding displacement of the pivot plate 26 and of the lever 17 along the curve of the cam 24, so that device 10 for compensating the weight of the blades constituting the louvers 1 will be actuated and that the rod 6 will be moved in the corresponding direction.
• a straight profile of the cam 24 at the end of travel ensures the locking of the blades forming the blinds 1 in the closed and open positions.
• FIG. 3 of the accompanying drawings shows another alternative embodiment of the invention, in which the means 2 for centralized control of the louver blades 1 is in the form of a rotating handle 27, guided on the housing 4 and cooperating with an axis maneuver 28 via a screw and nut connection, this operating axis 28 being connected to articulation with the lever 17 by means of a drive pin 29, the lever 17 being connected to its articulation in the housing 4 by a guide slot 3 '.
• the operation of the rotary handle 27 causes a linear displacement of the operating axis 28 and a corresponding pivoting of the lever 17, simultaneously with the actuation of the device 10 for compensating the weight of the blades constituting the louvers 1.
• FIGS. 5 and 6 show the application of the sliding 23 and rotating 27 handles to the embodiments of the device concerning the application to decentralized compensation.
• the constitution of the means 2 remains identical to that described above.
• the means 2 for centralized control of the louver blades 1 can also be formed in the form of a chain acting directly or indirectly on the control lever 17, this chain being guided, at the outlet of the housing 4 and / or of the upright 5 by idler rollers or the like.
• this can be achieved, for example, by means of a cam, an eccentric lever or the like.
• the means 2 for centralized control of the louver blades 1 can also be constituted by a motor, either of which the output shaft meshes with a pinion cooperating with the rod 6 connecting the individual levers 7 each secured to a pivot axis 8 of a louver blade 1, this rod 6 being provided with a corresponding rack, either whose output shaft is provided with a cam or a rod for actuating the control lever 17. Due to the compensation of the weight of the louver blades 1, a low-speed maneuvering motor power can be implemented, only the mechanical friction resistances being to be overcome.
• the means 2 for centralized control of the louver blades 1 can be provided with a device for connecting in parallel two means 3 for actuating the blades constituting the louvers 1 of windows with adjacent louvers, from a single housing 4, this device (not shown) being, for example, in the form of connecting spacers secured to the rods 6 of each window and passing through the corresponding uprights by grooves provided in the latter, or directly from axis to axis of at least one tribaly.
• This embodiment is also made possible by providing for the weight compensation of the blades.
• louver blades 1 in the form of two or more commands, each element of which is assigned to part of the louvered window and acts independently on the corresponding louvre blades.
• one part of the blades can, for example, be open, while the other will be closed or simply ajar.
• control means 2 can also consist of a crank (not shown) acting on the operating axis 28 connected to the lever 17 or directly on the lever 17.
• a crank acting on the operating axis 28 connected to the lever 17 or directly on the lever 17.
• Such means 2 in the form of a crank allows, for example, actuation of the shutters in the closing or opening direction by a small-scale rotation of the crank, namely a quarter turn or a half turn.
• each individual lever 7 to the pivot axis 8 of a louver blade 1 is achieved by l 'Intermediate of a mounting device, which comprises bearing means 30 each disposed in one end of a longitudinal housing 30' of a frame 31 for receiving the louver blade 1, and a means 32 for securing each lever 7 with the corresponding bearing means 30.
• the bearing means 30 are, in known manner, in the form of expandable or non-expandable parts, mounted in the corresponding ends of the frame 31 for receiving the louver blade 1 and fixed in the latter by gluing, by force fitting or by expansion under the effect of a mounting screw or the like forming the securing means 32.
• each bearing means 30 is provided, as an extension of its part penetrating into the end of the housing 30 ', with a shoulder 33 bearing on the corresponding end of the frame 31, this shoulder 33 being extended by a hollow indexing device 35 intended to cooperate with a means 34 corresponding to the lever 7 ( Figures 8 and 10).
• the hollow indexing device 35 and the means 34 are respectively in the form of a bore and a splined hub.
• the housing 30 'of the frame 31 is provided with an internal longitudinal rib 30 ", projecting on one of its walls and intended to cooperate, on the one hand, with a corresponding groove bearing means 30 and, on the other hand, with the securing means 32, in the form of a screw or the like (FIGS. 9 and 10).
• This embodiment results in the possibility, on the one hand, of 'indexing the bearing means 30, thus facilitating its mounting and, on the other hand, obtaining a partial meshing, by tapping, of the screw forming the means 32 with the upper face of the rib 30 ".
• the connection between the lever 7 and the louver blade 1 is further improved.
• this complementary locking means is in the form of a sliding locking plate 36, of length substantially equal to half the height of the bearing means 30 and guided in a slot 37 inclined with respect to the longitudinal axis of the bearing means 30, said slot extending in half of said bearing means 30 opposite to that comprising the groove cooperating with the rib 30 "of the housing 30 'of the frame 31 and the plate being provided in its edge facing the middle of the bearing means 30 of a small-diameter recess (not shown) intended to cooperate with an end point of the screw or the like forming the securing means 32.
• the additional locking means can also be constituted in the form of an independent elastically deformable attachment piece, for example with partially folded wings, deployable under traction or a pressure on the support body of these wings via the securing means 32.
• an independent elastically deformable attachment piece for example with partially folded wings, deployable under traction or a pressure on the support body of these wings via the securing means 32.

Landscapes

• Engineering & Computer Science (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
• Blinds (AREA)
• Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=9497786

Family Applications (1)

Country Status (15)

Families Citing this family (2)

Family Cites Families (13)

• 1996
  • 1996-11-15 FR FR9614115A patent/FR2755996B1/fr not_active Expired - Fee Related
• 1997
  • 1997-11-06 AR ARP970105180A patent/AR009606A1/es unknown
  • 1997-11-10 MA MA24863A patent/MA24400A1/fr unknown
  • 1997-11-12 EG EG119197A patent/EG21361A/xx active
  • 1997-11-13 CA CA002271985A patent/CA2271985A1/fr not_active Abandoned
  • 1997-11-13 AU AU51253/98A patent/AU5125398A/en not_active Abandoned
  • 1997-11-13 WO PCT/FR1997/002044 patent/WO1998022688A1/fr not_active Application Discontinuation
  • 1997-11-13 BR BR9713064-8A patent/BR9713064A/pt not_active Application Discontinuation
  • 1997-11-13 EP EP97945923A patent/EP0956421A1/fr not_active Withdrawn
  • 1997-11-13 TN TNTNSN97174A patent/TNSN97174A1/fr unknown
  • 1997-11-13 IL IL12989897A patent/IL129898A0/xx unknown
  • 1997-11-13 TR TR1999/01079T patent/TR199901079T2/xx unknown
  • 1997-11-14 ZA ZA9710289A patent/ZA9710289B/xx unknown
  • 1997-11-17 US US08/958,713 patent/US6131335A/en not_active Expired - Fee Related
  • 1997-12-13 NZ NZ335834A patent/NZ335834A/en unknown

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events