Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47H—FURNISHINGS FOR WINDOWS OR DOORS
  • A47H5/00—Devices for drawing draperies, curtains, or the like
  • A47H5/02—Devices for opening and closing curtains
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47H—FURNISHINGS FOR WINDOWS OR DOORS
  • A47H1/00—Curtain suspension devices
  • A47H1/04—Curtain rails
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47H—FURNISHINGS FOR WINDOWS OR DOORS
  • A47H5/00—Devices for drawing draperies, curtains, or the like
  • A47H5/02—Devices for opening and closing curtains
  • A47H5/032—Devices with guiding means and draw cords
  • A47H5/0325—Devices with guiding means and draw cords using electrical or electronical drive, detecting or controlling means

Definitions

• Motorized trolley, moving assembly of a screen comprising such a trolley, occultation installation and method of putting into service of such an installation
• the invention relates to a motorized opening / closing of a curtain, this carriage being able to move along a rail or a rod.
• the invention also relates to a moving assembly of a curtain which comprises a carriage of the aforementioned type, and an occultation installation of an opening which comprises, inter alia, such a carriage.
• the invention finally relates to a method of implementing such an installation.
• This head carriage comprises guide wheels, generally at least two pairs of wheels, which roll on rolling tracks formed along a rail fixed near the upper edge of an opening to be concealed.
• JP-A-2005-095364 To incorporate in a carriage a friction wheel driven in rotation by an electric motor.
• the contact force between the friction wheel and a running surface on which it moves is adjustable, statically, thanks to a pressing means.
• DE-A-24 36 753 It is moreover known from DE-A-24 36 753 to generate a contact force between a friction wheel and a rail, taking into account the direction of movement.
• JP-A-9-327373 It is also known from JP-A-9-327373 to provide interchangeable rollers on a motorized carriage. These rollers are mounted on supports that normally remain in place on the carriage, making a loading operation of pebbles both long and delicate. In addition, the supports are supported on projecting ears on the front and rear of the truck, which increases the size of the truck in a front-rear direction.
• the invention more particularly intends to remedy by proposing a new motorized trolley that can easily be adapted to different geometries of support rails.
• the invention relates to a motorized opening / closing of a curtain, this carriage being adapted to move along a rail or a rod thanks to a friction wheel driven by an electric motor. and pivotally mounted in a housing which contains this electric motor, this housing being provided with at least two suspension members on the rail or the rod, which each comprise a support and / or a base element, as well as at least one roller pivoting about an axis, or a pad.
• the housing is equipped with a housing for the partial reception and reversible immobilization of each suspension member, so that the pivoting rollers where the sliders of the suspension members are mounted removably on the housing .
• the removable mounting of the suspension members on the housing makes it possible to mount the rollers or associated pads on the site of use of the carriage, when the rail or the rod with which the carriage is to cooperate is identified.
• This removable assembly allows, if necessary, to exchange these parts of the suspension members to adapt to the geometry of the rail or the rod.
• the suspension members are mounted in a housing formed in the housing, they can be located in the immediate vicinity of the friction wheel, which allows to accurately calibrate the friction force between the wheel and the rail or the rod .
• this method of mounting the supports of the suspension members on the housing makes it possible to give the carriage a satisfactory compactness in a front-to-back direction, as well as a good capacity for the passage of any curved regions of the rail or the rod. .
• such a carriage may incorporate one or more of the following features taken in any technically permissible combination:
• each suspension member is mounted, removably and by a rotational movement about an axis of rotation, in or opposite the housing formed in the housing and the carriage comprises immobilizing means, in rotation around the axis of rotation, the support or a support retaining member.
• these locking means make it possible to ensure that rollers equipping the support are generally aligned with a longitudinal axis of the carriage housing, which limits the risk of locking these rollers in curved regions of the rail or the rod.
• the support is immobilized in the corresponding housing by a bayonet mechanism.
• the support carries at least one pin and the housing of the housing comprises at least one groove for receiving the pin during the rotational movement, while the means for immobilizing the rotating support comprise a seat into which the groove opens and means for elastic load of the pin to and into the seat.
• Each suspension member is fixed on a base member mounted in the housing while the support is mounted by screwing itself or a retaining member on the base member.
• the means for immobilizing the rotating support comprise a locking member of the screwing / unscrewing of the support or the retaining element relative to the base member.
• the base member is movable in rotation, inside the housing, about an axis perpendicular to the axis of rotation of the support or the retaining member during its screwing.
• the carriage comprises means for adjusting a vertical distance between, on the one hand, an axis of rotation of a roller pivotally mounted on the support and, on the other hand, an axis of rotation of the friction wheel.
• the adjustment means comprise a screw for adjusting the position of at least one pin belonging to the bayonet mechanism relative to the support
• the adjustment means are formed by the connecting means screwed between the support and the base element.
• the carriage comprises means for adjusting the contact force between the friction wheel and the rail or the rod.
• the support is provided with at least one pin for cooperating with a groove in the corresponding housing housing, the pin is mounted with the possibility of movement relative to a portion of the support on which is mounted the roller, while the relative movement between the pin and the part of the support is possible against an elastic force exerted by a biasing means and that means are used to adjust the intensity of the elastic force.
• Each suspension member is equipped with at least one roller pivoting about an axis while a distance, measured parallel to a front-rear axis of the carriage, between, on the one hand, the axis of rotation of the roller and, on the other hand, an axis of rotation of the friction wheel is less than 2 times the diameter of this wheel, preferably at 1.5 times this diameter.
• the invention also makes it possible to take into account that, for aesthetic reasons, it may be desirable to suspend a curtain from a rod with a solid section, for example a rod with a solid circular section.
• a rod with a solid circular section for example a rod with a solid circular section.
• the known materials of JP-A-2005-095364, DE-A-24 36 763, WO-A-2012/004530 and JP-A-9-327373 are not suitable.
• the invention proposes an alternative solution to that of these documents, adapted to an occultation installation comprising a solid section rod.
• the invention relates to a motorized opening / closing carriage of a curtain, this carriage being able to move along a rod thanks to a friction wheel driven by an electric motor and pivotally mounted in a housing which contains the motor, this housing being provided with at least two suspension members to the rod.
• This carriage is characterized in that each suspension member comprises an annular element provided to surround the rod and which comprises a rotating roller, itself designed to roll against the rod, while the rotary roller is arranged, with respect to an axis. central of the annular element, opposite the housing.
• annular element allows to have the rotating roller of each suspension member on the top of the rod which then constitutes an upper rolling zone for the roller.
• such a carriage may incorporate one or more of the following features taken in any technically permissible combination:
• Each annular element comprises two plates intended to be arranged on either side of the rod and between which is mounted pivoting the roller
• Each plate is articulated on a support of the suspension member, about an axis perpendicular to an axis of rotation of the roller and generally parallel to a front-rear direction of the carriage.
• Each plate is of left shape, with its concavity turned towards the other plate of the same suspension member.
• the carriage comprises a curtain hooking member, this member being mounted on the two suspension members.
• the attachment member is mounted with the possibility of relative displacement on at least one of the suspension members.
• the attachment member is of elongate shape, extends generally in a front-rear direction of the carriage and comprises, at each of its ends, means for fastening the curtain.
• the invention also relates to a set of movement of a curtain along a rail or a rod, this assembly comprising:
• a housing containing an electric motor and on which is pivotally mounted a friction wheel, this housing being equipped with means for attaching the curtain
• each member of the first set comprising at least one rolling element or sliding on a track of the rail or the rod and each member of the first set being adapted to be removably mounted on the housing, with a distance between the axis of rotation of the friction wheel and a noticeable point of the rolling or sliding element, measured perpendicular to the track, equal to a first value for each member thereof.
• each member of this second set comprising at least one rolling or sliding element on the track of the rail or rod and each member of the second set being able to be removably mounted on the housing, in place of an element of the first set, while the geometry of the rolling or sliding element of the second set of elements is different from the geometry of the rolling element or sliding members of the first game or when the distance between the axis of rotation of the friction wheel and the remarkable point of the rolling or sliding element, measured parallel to the track, is equal, for each member of the second game, at a second value different from the first value.
• the invention further relates to an occultation installation of an opening comprising a rail or a rod, a motorized carriage and a curtain attached to this carriage motorized, this installation being characterized in that the carriage is as described above or belongs to a displacement assembly as mentioned above.
• each carriage of the suspension member comprises an annular element provided to surround the rod and which comprises a rotating roller, as envisaged above, it can be provided that the carriage rests, by the rotating rollers of its suspension members, on an upper rolling area of the rod.
• each rotating roller is preferably horizontal and perpendicular to a longitudinal axis of the rod.
• the invention relates to a method of commissioning an installation as mentioned above, this method comprising successive steps of: a) placing the curtain on the rod by engaging the rod in rings belonging to to or in solidarity with the curtain,
• Steps b) to e) are all subsequent to step a) and can be performed in a different order from that mentioned above.
• FIG. 1 is a schematic representation of a curtain installation incorporating a motorized trolley according to the invention
• FIG. 2 is a partial exploded perspective view of the carriage and the rail of the installation of FIG. 1,
• FIG. 3 is an exploded perspective view of the carriage shown in FIG. 2, without the curtain hooking tabs, in a moving assembly of a screen according to the invention.
• FIG. 4 is a side view of a carriage housing in the direction of the arrow IV in FIG. 2, with partial cutaways
• FIG. 5 is a view similar to FIG. 2 for a carriage and an installation according to a second embodiment of the invention
• FIG. 6 is a partial diagrammatic representation in perspective of another curtain installation according to the invention and incorporating a motorized carriage according to a third embodiment of the invention
• FIG. 7 is an exploded perspective view of the carriage. motorized and the rod of the installation of Figure 6,
• FIG. 8 is a perspective view, at another angle, of a suspension member of the carriage of FIG. 7,
• FIG. 9 is a perspective view of the carriage of Figure 7 in place on the rod in a first configuration of use, the curtain being omitted for clarity of the drawing and
• Figure 10 is a view similar to Figure 9 when the carriage is in a second configuration of use.
• FIG. 1 illustrates a motorization system for a curtain 10 in an installation 1 for concealment of a not shown window.
• the curtain which forms an occultation screen, is suspended from trolleys of two types, 20 and 100, thanks to unrepresented hooks.
• Each carriage is equipped with guide wheels rolling on rolling tracks arranged along a rail 50 fixed near the upper edge of the window.
• the curtain 10 can move along the rail 50.
• the curtain 10 is hooked to a stop 30 fixed to the rail.
• the curtain 10 is attached to a motorized head carriage 100 whose structure is detailed in Figures 2 and following.
• the curtain 10 is composed of sections of fabric P1 1 to P16 corresponding to the fabric surface hanging between two support carriages 20 or between the carriage 100 and the nearest support carriage 20.
• the closing of the curtain 10 takes place by moving the curtain to the left in Figure 1, in the direction of the arrow F1. Its opening takes place by moving it to the right, in the direction of the arrow F2.
• the carriage 100 comprises a housing 101 made of plastics material inside which an engine is housed. 102, a gearbox 103 and a friction wheel 104 which protrudes from the housing 101 through an opening 105 formed in this housing and whose X104 is noted the axis of articulation relative to the housing 101.
• a set of batteries 106A and an electronic card 106B are housed in the housing 101 to supply and control the motor 102.
• the housing 101 is equipped with a front lug 107 and a rear lug 108 for hooking the movable upper end of the curtain 10. To this end, this end is equipped with not shown hooks which are engaged in openings 107A. , 107B and 108A formed respectively in the tabs 107 and 108.
• the tabs 107 and 108 are mounted by any appropriate means, for example by screwing or riveting, on the housing 101, in particular on a front or rear face of the housing.
• the housing 101 is suspended relative to the rail 50 by means of two suspension members 200A and 200B which are each equipped with two rollers 201A, 202A, respectively 201B, 202B.
• These rollers are provided for rolling respectively on two tracks 51 and 52 provided inside the rail 50, on either side of a longitudinal slot 53 for passage of two tabs 203A and 203B on which are mounted pivoting the rollers 201 A and 202A, 201 B and 202B, respectively about axes X200A and X200B which pass through the centers of the rollers which are remarkable points of these rollers and which are aligned on these axes.
• the centers of the rollers 201 A and 201 B are respectively marked CA and CB.
• Each tab 203A and 203B is equipped with a sole 204A respectively 204B bearing on the upper surface 101A of the housing 101.
• Note H 104 the height over which the function wheel protrudes upwards relative to the surface 101 A.
• HA is the height between the lower edge of the rollers 201 A and 202A and the surface
• HB is the height between the lower edge of the rollers 201 B and 202B and the surface 101 A.
• the heights HA and HB are equal.
• ⁇ and ⁇ denote the difference between the heights HA and H104, respectively HB and H 104.
• DA vertical distance, measured perpendicular to the tracks 51 and 52, between the axes X200A and X104.
• DB is the vertical distance between axes X200B and 104. In the example, these vertical distances are equal.
• the distance DA is equal to the vertical distance between the center CA and the axis X104.
• the distance DB is equal to the vertical distance between the center CB and the axis X104.
• the differences in height ⁇ and ⁇ define the passage volume of two wings 54 and 55 of the rail 50 whose upper surfaces respectively constitute the tracks 51 and 52.
• the lower surfaces 56 and 57 of the wings 54 and 55 together constitute a running surface for the wheel 104.
• it is necessary that the height differences ⁇ and ⁇ are greater than the vertical thicknesses e54 and e55 of the wings 54 and 55.
• the members 200A and 200B are removably mounted on the housing 101 so that they can be adapted to the geometry of the rail along which the carriage 100 must travel.
• the member 200A comprises a rod 205A which is integral with the tab 203A and the sole 204A and which is equipped with two pins, only one of which is visible in the figures with the reference 206A.
• This pin is intended to be engaged in a groove 101 B formed in the housing 101 and which opens into a seat 101 C belonging to a bayonet locking system.
• Each of the pins 206A and equivalent is rigidly fixed on the rod 205A, preferably one-piece with it.
• the member 200B comprises a monobloc rod 205B with the tab 203B and the sole 204B.
• This rod is equipped with two pins of which only one is visible in Figure 3 with reference 206B.
• the rods 205A and 205B respectively constitute basic elements for the supports 208A and 208B.
• the tab 203A, the sole 204A and the rod 205A together form a one-piece support 208A for the rollers 201 A and 202A.
• the tab 203B, the sole 204B and the rod 205B together form a one-piece support 208B for the rollers 201 B and 202B.
• ZA and ZB respectively denote the longitudinal axes of rods 205A and 205B.
• the pin 206B is integral in rotation with the rod 205B and mounted with a possibility of sliding relative to this rod, parallel to the axis ZB, inside an oblong slot 207B formed in the rod 205B.
• the weight of the housing and / or the curtain causes the pin 206B down the oblong slot 207B. It is the same for the other pin of the member 200B which is not visible in the figures but which is diametrically opposed to the pin 206B with respect to the axis ZB.
• the pins 206B and equivalent are intended to be engaged in grooves 101D formed in the housing 101 and which open into corresponding seats 101E, in the context of a bayonet system.
• Two cylindrical housings 109A and 109B are formed in the housing 101 and intended to receive respectively the rods 205A and 205B.
• the mounting of the member 200A on the housing 101 takes place starting from a position where the support 208A is rotated 90 ° about the axis ZA with respect to the position shown in FIG. rod 205A in the housing 109A, in an axial movement relative to the axis ZA represented by the arrow F3 in FIG. 3, then the member 200A is rotated about this axis by 90 °, in the direction of the arrow F4 in Figure 3.
• the mounting of the member 200B on the housing 101 is the same way by inserting its support 208B in the housing 109B in a ZB translation axis and then rotating the support 90 ° around this axis, in the same direction as the arrow F4, with the pins 206B and equivalent which slide in the grooves 101 D and equivalent.
• a spring 301 A is housed at the bottom of the housing 109A and exerts by default on the rod 205A a F5A effort directed upwards, which blocks the pins 206A and equivalent in their seat 101 C corresponding.
• a spring 301 B is mounted at the bottom of the housing 109B and exerts on the rod 205B a force F5B which pushes the pins 206B and equivalent in the seat 101 E corresponding.
• the supports 208A and 208B are immobilized in rotation respectively about the axes ZA and ZB.
• the geometry of the pins, grooves and seats can be chosen so that, in this rotated locked configuration, the X200A and X200B axes are perpendicular to a front-rear axis AA 'of the carriage 100.
• the rollers 201 A, 202A , 201 B and 202B are parallel to this front-rear axis, which limits the risk of blocking the carriage 100 along the rail 50, including after many back and forth and / or cornering areas.
• the pin 206B is subjected to the action of a secondary spring 302 which pushes it in the same direction as the spring 301 B and which is housed inside the rod 205B, being tight by a grub screw 303B. Tightening the screw 303B in the rod 205B makes it possible to adjust the intensity of the elastic force F6 exerted by the spring 302 on the pins 206B and equivalent. Indeed, this effort is opposed to the weight of the housing and / or the curtain on the pin 206B.
• pins 206B and equivalent of the suspension member 200B are associated with means for adjusting their height.
• the pins of the two suspension members are adjustable.
• the rollers 201A, 202A, 201B and 202B are arranged, along the rail 50, at a relatively small distance from the contact zone between the wheel 104 and the surfaces. 56 and 57. It is thus possible to provide that the distances between the axes X200A and X104 or between the axes X200B and X104, measured parallel to the axis A-A ', when the axes X200A, X200B and X104 are parallel, are less than 2 times the diameter of the wheel 104, preferably 1.5 times this diameter.
• the support elements 200A and 200B are in the immediate vicinity of the wheel 104, which makes it possible to precisely calibrate the frictional force between this wheel and the rail and to give the carriage 100 good compactness in the forward direction -back. This facilitates the passage of any curved areas of the rail 50 by the carriage 100.
• a displacement assembly E may comprise not only the members 200A and 200B, which belong to a first set J1 of suspension members, but also two other members 200A ' and 200B ', which belong to a second set of suspension members J2 and for which heights HA' and HB 'defined as the heights HA and HB of the members 200A and 200B are greater than the heights HA and HB.
• the lower edges of the rollers 201 A ', 202A', 201 B 'and 202B' are further away from the housing 101 when the members 200A 'and 200B' are mounted on this housing only in the case where the members 200A and 200B mounted thereon.
• a vertical distance DA 'or DB' defined between the axis X104 and the centers CA 'and CB' or the axes X200A 'or X200B' of the members of the set J2, has a value greater than that of the distance DA or DB defined with the organs of the game J1.
• the members 200A 'and 200B' make it possible to roll the carriage 100 on a rail 50 whose wings 54 and 55 have thicknesses e54 and e55 greater than those of the rail represented in FIG. 2.
• the variation between the differences in height ⁇ and ⁇ of the suspension members of the sets J1 and J2 is obtained by playing only on the diameter ⁇ , ⁇ , ⁇ 'and ⁇ ' of the rollers or only on the value of the vertical distance DA, DA ', DB or DB'.
• the modification of the suspension members is intended to compensate for a different difference between the raceways 51 and 52 from one rail to another, by a different spacing between the two rollers of a suspension member.
• the suspension assembly shown in FIG. 3 may comprise more than two sets of two members 200A 200B, 200A '200B', depending on the geometry and / or the type of different rails with which the carriage 100 must be able to collaborate.
• the carriage 100 of the second embodiment comprises a plastic housing 101 in which are housed means for driving a friction wheel 104, these drive means comprising, inter alia, an electric motor not shown.
• the friction wheel 104 is intended to roll on two surfaces of bearing 56 and 57 formed by the lower surfaces of two wings 54 and 55 of a rail 50.
• the upper surfaces 51 and 52 of the wings 54 define, on either side of a longitudinal slot 53 of the rail 50, two tracks. for 201A, 202A, 201B and 202B rollers belonging to two suspension members 200A and 200B.
• suspension members each comprise a support or hub 212 and a base element 210 fixed to the housing 101, the support or hub 212 being able to be fixed by screwing on the base element 210.
• Each base element 210 is inserted partially into a housing provided for this purpose in the housing 101. Only one of these housings is visible in Figure 5, with reference 109B. The other housing is disposed on the opposite side of the housing 101 and has the same geometry.
• Each base element 210 is provided with a not shown bore which is traversed by a screw 21 1 which extends along an axis X21 1 parallel to the axis X104.
• the base elements 210 may or may not be pivotable about the axes X21 1, which may make it possible to make use of the technical teaching of WO-A-1. 2012/004530.
• the support or hub 212 of a suspension member 200A or 200B is removably mounted on the housing 201 by screwing the support or hub 212 on a threaded rod 216 which belongs to the corresponding base member 210.
• the support or hub 212 is provided with a thread for receiving the rod 216 of the associated base member 210, which allows the hubs 212 to be removably mounted on the base members 210, with rotation about an axis ZA or ZB, these axes respectively being a longitudinal axis of the base member 210 and the threaded rod 216 of the suspension member 200A and a longitudinal axis of the base member 210 and the threaded rod 216 of the suspension member 200B.
• the screwing movement of the support to the hub 212 of the suspension member 200A on the corresponding base member 210 is represented by the arrow F4 in FIG. 5. A movement of the same direction is used for the suspension member 200B.
• X200A and X200B the axes of rotation of the rollers of the suspension members 200A and 200B and CA and CB the centers of the rollers 201A and 201B.
• X104. the axis of rotation of the friction wheel 104.
• the vertical distance between the axes X200A and X104, or between the center CA and the axis X104, and DB the vertical distance are noted between the axes X200B and X104, or between the center CB and the axis X104. It is possible to vary the distances DA and DB by screwing more or less the hubs 212 on the base elements 210. Once the value of the distances DA and DB fixed by the screwing of the hubs 212, it is possible to immobilize these hubs in rotation with respect to the axes ZA and ZB, by means of screws headless blocking 213.
• the locking screws 213 constitute locking members of the hubs 212 rotated about the axes ZA and ZB, which makes it possible to give the rollers 201A, 202A, 201B and 202B a predefined orientation with respect to a front axis.
• Rear AA 'of the trolley 100
• supports 212 of different geometry and / or bearing rollers of different dimensions can be mounted on the base elements 210, which makes it possible to adjust the carriage 100 to the dimensions real rail 50 along which it must flow.
• a cradle 150 is provided to be mounted on the housing 101 having pads 155 and 156 engaged in the interior volume V50 of the rail 50.
• This cradle has two tabs 151 and 152 for hooking the upper part. curtain, equivalent to the tabs 107 and 108 of the first embodiment.
• an upper web 153 of the cradle 150 is pierced with three openings 1531, 1532 and 1533 respectively permitting the passage of the front suspension member 200A, the friction wheel 104 and the the rear suspension member 156.
• This design of the cradle is also compatible with the first embodiment, the suspension members being fixed by a bayonet system.
• each suspension member 200A, 200B, 200A ', 200B' comprises two rollers.
• these members may comprise only one roller which rolls on a single track of the rail 50.
• the suspension members can be equipped with sliding pads on the tracks 51 and 52.
• the distance DA or DB is defined from a remarkable point of the pad, such as its geometric center.
• These pads may, for example, have the shape of the pads 155 and 156 of the second embodiment.
• FIG. 6 illustrates a motorization system of a curtain 10 within a blind concealment installation 1 of a not shown window.
• the curtain 10 which forms an occultation screen, is suspended from a bead wire 50 'which is of solid circular section and which is rectilinear in the example of the figures.
• the rod may be curved, in particular to follow a curved wall in which is formed the opening to be hidden. Any other form of rod section could be envisaged, in particular polygonal or oval.
• the curtain 10 is provided with several rings or eyelets 12 whose inner diameter is greater than the diameter of the rod 50 ', which allows the curtain 10 to be mounted on the rod 50' by successively inserting the rod 50 'into the rings 12.
• FIG. 6 represents a front end of the curtain 10.
• the rear end of the curtain which is not visible in this figure, is integral with a fixed stop relative to the rod 50 '.
• the closing of the curtain takes place by moving the curtain to the right in Figure 6, in the direction of the arrow F'1. Its opening takes place by moving it to the left, in the direction of the arrow F'2.
• the curtain 10 is secured to a motorized head carriage 100 which comprises a plastic housing 101 inside which is partially housed a friction wheel 104. This exceeds the housing 101 through an opening 105 formed in the upper part of this housing.
• the casing encloses an electric motor 102 and a gearbox 103 which make it possible to drive the wheel 104 in rotation about a horizontal axis X104 in the configuration of use of the carriage 10.
• the motor 102 is supplied with electric current from batteries or batteries housed in the housing 1 10 and controlled by an electronic card also housed in this housing, these batteries and this card not being shown for clarity of the drawing.
• AA ' is an axis defining a front-rear direction of the carriage 100, that is to say a direction parallel to the arrows F'1 and F'2 in Figure 6 and along which the carriage 100 moves when the wheel 104 rotates.
• the axis X104 and the direction A-A ' are horizontal. They are always perpendicular to each other.
• the housing 1 10 is equipped with a front suspension member 120 and a rear suspension member 130 which extend upwardly from an upper surface 1 of the housing 101.
• the members 120 and 130 are identical and are described below alternately.
• the suspension member 120 comprises a base element 121 which is engaged in a housing 109A formed in the housing 101 and mounted in this housing by means of a screw 122.
• the base element 121 is identical to the base member 210 of the second embodiment and the mounting mode of the base member 121 in the housing 109A is similar to that used for the base members 210 in the second embodiment.
• the elements 121 and 210 may however be different.
• An annular element 123 is fixed on the base member 121 and defines an opening 0123 of sufficient size for the rod 50 'to pass through this annular element.
• annular element is an element that forms a closed loop around a central opening, without necessarily being circular or symmetrical in its revolution.
• the annular element may consist of straight elements connected to each other to form the closed loop, without necessarily one of them having a concave or convex shape.
• Y123 is a central axis of the annular element 120, including its opening 0123.
• Z121 is a longitudinal axis of the base element 121.
• the axes Z121 and Y123 are perpendicular to each other.
• the base element is mounted on the housing 101 with a possibility of rotation of limited amplitude, in the example less than or equal to 15 ° around the longitudinal axis X122 of the screw 122 in a forward direction from the vertical, the rotation being blocked in the other direction of rotation to form a stop.
• the rear suspension member 130 is identical to the front suspension member 120 and comprises a base member 131 whose longitudinal axis Z1 is noted and which is mounted on the housing 101 by means of a screw 132, with possibility of limited amplitude rotation around a longitudinal axis X132 of the screw 132, in a backward direction from the vertical.
• the X12, X122 and X132 axes are parallel.
• the rear suspension member 130 also comprises an annular element 133 which is formed of a support 134, two plates 135 and 136 and a roller 137 and whose central axis Y133 is noted.
• the plate 135 is articulated on the support 134 by means of a pin 138 engaged in a corresponding housing 1342 of the support 134.
• the plate 135 can thus pivot relative to the support 134 about a longitudinal axis Y138 of the pin 138.
• the plate 136 is identical to the plate 135 and is mounted on the support 134 by a pin 139 engaged in a corresponding housing 1344 of the support 134 which extends along a longitudinal axis Y139, which constitutes a pivot axis of the plate 136 relative to the support 134.
• the plates 135 and 136 are respectively provided with ears 1352 and 1362 in which are formed orifices 1354 and 1364 for the passage of pins 138 and 139.
• each plate 135 and 136 is provided with a hole 1356, respectively 1366 for the passage of a screw 140 and a threaded rod 141, which makes it possible to mount the roller 137 between the plates 135 and 136 by screwing together the elements 140 and 141 through the plates and the roller, and leaving a possibility of rotation about the longitudinal axis X140 of the screw 40, this axis being parallel to the axis X1 12.
• the elements 131 and 134 are connected to each other by means of a screw 142 which extends generally along the longitudinal axis Z131 of the base element 131.
• the screw 142 is inserted into a central bore of the element 134, through which it passes right through, then it is engaged in a tapping of the element 131 centered on the axis Z131.
• the screw 142 is then rotated about the axis Z131, in the direction of the arrow F4 in FIG. 7, which has the effect of firmly assembling the elements 131 and 134 relative to one another. at the end of the screwing of the screw 142.
• the support 134 is removably mounted on the base element 131 thanks to the rotational movement F4 of the screw 142.
• the screw 142 may be more or less referred in the tapping of the base member 131. This allows the setting of micrometric pressure between the drive wheel 104 and the rod 50 ', by adjusting the distance between the element 131 and the assembly 133.
• a vertical distance DA can be defined, analogously to the first embodiment, between the axes X140 and X104. By adjusting the position of the screw 142, it is possible to adjust this vertical distance DA. A similar distance can be defined and adjusted similarly at the level of the suspension member 120.
• the elements 131 and 134 are locked in rotation, with respect to one another about the axis Z131, by a set screw 144 engaged in a tapping 143 visible in FIG. 8 between the two shafts 138 and 139.
• the pressure screw 144 thus makes it possible to immobilize the support 134 in rotation around the axis Z131, which makes it possible to impose the angular orientation of the axis X140 with respect to the direction A-A '.
• the pressure screw 144 allows the height adjustment of the support 134 relative to the screw 142 by bearing against a flange of the screw 142, visible in Figure 7, when the screw 142 is in place in the support 134 but not yet tight.
• each of the suspension members 120 and 130 As the pivoting amplitude of each of the suspension members 120 and 130, relative to the housing 101 and around the axis X122 or X132, is limited to a few degrees, the axes Y123, Y133, Y138 and Y139 remain parallel or generally parallel to the direction AA 'and the longitudinal axis Y50 of the rod 50' when the carriage is mounted on the rod.
• Each plate 135 or 136 is of left shape, with its concavity turned towards the other plate. This allows the plates 135 and 136 to surround the bead wire 50 ', respectively on the right and on the left when the carriage 100 moves forward, without contact with the bead wire 50' and while the lateral dimensions of the support 134 and the roller 137 remains relatively low, in practice less than the diameter of the rod 50 '.
• the member 120 also comprises a support 124, as well as two left plates 125 and 126, a roller 127 rotating about an axis X140 ', a screw 142' and a screw not visible in the figures.
• the rollers 127 and 137 are each arranged at the top of the annular elements 123 and 133, that is to say opposite the housing 1 10 relative to the axes X123 and X133.
• the two rollers 127 and 137 bear on a track or upper zone 56 of the rod 50 'which is shown in gray to facilitate its identification in Figure 7 and which allows the rolling of these rollers.
• the rollers have a concave external shape adapted to the radius of the rod 50 ', which allows a linear support between the rollers 127 and 137 and the zone 22.
• the rollers 127 and 137 then rotate around their axes of articulation, X140 and equivalent, in the annular elements 123 and 133, these axes of articulation being horizontal and perpendicular to the axis Y50.
• the rollers may be fixed and in the form of non-rotating pads, sliding on the rod.
• these pads have a slightly spherical shape on their sliding surface against the rod, to accept the inclination of the suspension members.
• the axes Z121 and Z131 are parallel and vertical, while the axes Y123, Y133, Y138 and Y139 are horizontal and parallel to the axis Y50, as shown in FIG.
• the carriage 100 also comprises a member 150 for fastening the curtain 50 '.
• This member comprises a flat rod 151 pierced with two oblong slots 1512 and 1514 whose largest dimension is parallel to a longitudinal axis Y151 of the rod 151.
• the member 150 also comprises two hooks 153 and 155 mounted at both ends of the rod 151.
• the axis Y151 is parallel or almost parallel to the direction A-A '.
• the hook 153 allows the attachment of the curtain 20 on the carriage 100, at the ring 12 closest to the front edge 14 of the curtain.
• the hook 155 allows the curtain 10 to be attached to the carriage 100, at the level of the second ring 12, starting from the edge 14.
• Each of the plates 125, 126, 135 and 136 is equipped, on its face opposite to the other plate belonging to the same annular element, with a retaining tab of the rod 151.
• the tabs 1258 and 1358 of the plates 125 and 135 are visible in Figures 2 to 5 and they define a partial receiving volume of the rod 151, while screws 1259 and 1359 inserted into the threaded holes of the legs 1258 and 1358 respectively enter in the lights 1512 and 1514.
• the attachment member 150 is thus mounted on both the two suspension members 120 and 130, with a possibility of movement parallel to the axis Y151 given the oblong nature of the lights 1512 and 1514.
• the suspension member is also attached to the curtain, but without bearing the weight, to the extent that the curtain is suspended by its rings to the rod.
• the tab 1368 of the plate 136 is visible in Figure 3. Only two retaining tabs are sufficient to maintain a rod 151 on the two annular elements.
• one or the other of the suspension members 120 and 130 pivots around one of the axes X122 and X132.
• micrometric means such as the screw 142 are provided to adjust the position of the support 134 relative to the base member 131.
• other adjustment means more accessible to the installer could be set up, for example an adjustment wheel, which can be preset for different rod sections, or graduated.
• the carriage 100 is adapted to move effectively, without risk of slipping, the curtain 10 along the rod 20 which is full cross section.
• the internal elements of the housing 101 may be used in the context of an installation 1 comprising a rod such as the rod 50 'or in the context of an installation comprising a rail, as envisaged for the first two modes of realization or in WO-A-2012/004530, the supports 124 and 134 of the suspension members 120 and 130 are removably mounted on the housing 101. Indeed, it remains possible to disassemble the annular elements 123 and 133 relative to the base elements 121 and 131, by loosening the screws 142 and 144. Thus, it is possible for an installer to select a set of suitable suspension members to the geometry of the rod or rail, namely suspension members such as those referred to in the first two embodiments or suspension members such as those referred to in the third embodiment.
• the curtain 10 can be installed on the rod 50 'by engaging this rod successively in the rings 12.
• the carriage can be installed in the same way, by inserting the annular elements with the two curtain rings closest to the edge.
• the curtain is already completely mounted, it is possible to set up the carriage 100 without touching the mounting of the curtain.
• a temporary opening is then created in the annular element 133.
• the same procedure applies to the suspension member 120, creating a temporary opening in the annular element 123.
• the curtain 10 is then attached to the carriage 100 thanks to the hooks 153 and 155 of the member 150.
• the method is therefore quite advantageous in terms of practicality, since it allows the carriage to be mounted after the curtain has been mounted, which is not possible in the case of installations comprising a rail as envisaged in WO-A-0. 2012/004530.
• rings 12 are integrated in the curtain 10 in the manner of eyelets.
• This configuration makes it possible to mask the trolley as far as possible through the sections of the curtain, which provides an important aesthetic advantage.
• these rings may be provided in the form of tabs which extend above the curtain and which are integral therewith or separate rings fixed by clips to the curtain.
• the supports 212, 124 and 134 are not arranged inside the housings 109A and 109B but opposite them, that is to say aligned with them according to the direction of axes ZA, ZB, Z121, Z131.
• the suspension members 200A, 200B, 120 and 130 of these embodiments are arranged in the immediate vicinity of the friction wheel 104, which is favorable in terms of control of the friction force and the size of the carriage 10 in its forward-to-back direction, as explained with respect to the first embodiment.
• the distances between the axes X200A and X200C are less than 2 times the diameter of the wheel 104, preferably 1.5 times this diameter.
• the distance between the axes X140 'and X104 or between the axes X140 and 104 in the third embodiment are less than 2 times the diameter of the wheel 104, preferably 1.5 times this diameter.
• housing 101 of the second and third embodiments is the same, which is favorable in terms of supply and inventory management.
• the design of the cradle in the second mode of embodiment is compatible with suspension members fixed by a bayonet system, as described in the first embodiment.
• suspension members with annular elements such as those of the third embodiment can be reported on the carriage housing by a bayonet system as described in the first embodiment.
• the invention is advantageous in that it allows assembly / disassembly of the supports of the suspension members

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• 2013
  • 2013-02-27 CN CN201380020744.3A patent/CN104271008B/zh active Active
  • 2013-02-27 US US14/381,313 patent/US9532675B2/en active Active
  • 2013-02-27 EP EP13706987.8A patent/EP2827749B1/de active Active
  • 2013-02-27 WO PCT/EP2013/053953 patent/WO2013127870A2/fr not_active Ceased

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