EP2393402A1 - Chariot d'entraînement pour rideau coulissant - Google Patents
Chariot d'entraînement pour rideau coulissantInfo
- Publication number
- EP2393402A1 EP2393402A1 EP10708297A EP10708297A EP2393402A1 EP 2393402 A1 EP2393402 A1 EP 2393402A1 EP 10708297 A EP10708297 A EP 10708297A EP 10708297 A EP10708297 A EP 10708297A EP 2393402 A1 EP2393402 A1 EP 2393402A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carriage
- trolley
- parts
- wheels
- articulation
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H15/00—Runners or gliders for supporting curtains on rails or rods
- A47H15/02—Runners
-
- 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
-
- 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
- A47H2001/045—Curtain rails being curved
Definitions
- the invention relates to the field of solar protection or closure systems, and in particular that of sliding curtains.
- These curtains are generally fixed on a set of several pads, mounted on a pair of carrying wheels and comprising a curtain attachment element, which can move along a rail.
- a carriage is driven along the rail by means of a belt or cord under a manual actuation action or under the action of an electromechanical actuator.
- the movement of the carriage causes the movement of the different pads, either by means of the curtain itself, or by cords connecting the first pad to the carriage and each pad to the next.
- each curtain is driven by a carriage.
- the carriage also allows for the connection between the two ends of the belt, the latter thus forming an endless drive element between two drive pulleys.
- Motorized curtains are commonly used in hotel rooms or conference centers, ie in places often designed by architects with a sought-after aesthetic.
- the curtains are mounted in front of non-planar openings and / or themselves follow a curve to satisfy the aesthetics of the place.
- GB-A-735305 discloses an articulated carriage adapted to pass curves of the rail.
- the carriage is made from a flexible strip on which are mounted plates equipped with vertical and horizontal wheels.
- the carriage is thus able to roll along a V-rail on a plurality of wheels, while accepting distortions in a plane perpendicular to its longitudinal axis, for the passage of the curves of the rail.
- the curtain is also mounted on single pads with a single pair of wheels on the same axis perpendicular to the rail.
- the various subassemblies of the carriage can be articulated by hinges.
- the GB-A-735305 does not give additional details on this construction.
- JP-A-04 079916 discloses a linear type motorization system in which a curtain drive carriage is also composed of several subassemblies articulated by means of hinges.
- articulated carriages are particularly interesting for use on curved rails. However they may lack rigidity for the passage of rectilinear portions of the rail, which may cause significant friction if the carriage bends or twists when it is not necessary. Furthermore, the state of the art does not provide for adapting the carriage according to the configuration of the rail or the length and tension of its drive belt.
- the invention therefore proposes to remedy the aforementioned problems and to provide a trolley structure meeting the technical and modularity requirements sought in the field of sliding curtain driving.
- the carriage according to the invention comprises a trolley part called said front trolley, and a second trolley part, called a rear trolley, the two trolley parts being able to move along a rail thanks to carrying wheels and which are connected by a piece of articulation.
- This carriage is characterized in that it comprises means for mounting the hinge piece in at least two positions with respect to one of the first and second parts of the carriage.
- the distance between the parts of the carriage can be adjusted, in particular as a function of the length of the drive belt of the carriage, which allows in particular to adjust the tension of this belt.
- the total length of the carriage is variable depending on its mounting environment and the various constituent parts of the carriage can be mounted at varying distances from each other.
- a rigid body of the first part of the carriage ensures the transmission of drive forces without creating misalignment with respect to the rail and the articulated mounting of the components of the carriage allows the passage of curvatures of the rail.
- a first means of articulation of the carriage comprises a support of at least one of the carrying wheels of the front carriage, pivotally mounted relative to the carriage, about an axis perpendicular to the axis of rotation of the wheel.
- at least one trolley portion comprises at least one second wheel which rotates about a fixed axis relative to the rigid body, and ensuring the stability of the carriage vis-à-vis the rail.
- This stability is all the more important that, on the trolley part, can be fixed one or more hanging tabs of the curtain, whose offset creates a door overhang relative to the front carriage.
- This tab or these brackets are used to fix an edge of the curtain in front of the carriage, so as to cover the other curtain edge without daylight in the case of two curtain panels closing one towards the other.
- the carriage is made from two moving parts relative to each other in a direction perpendicular to the direction of movement of the carriage, so as to accept the curvature of the guide rail.
- the combination of the first mounting pivot of the wheel and the articulated connection between the two moving parts allows the passage of curved rail portions, including when the radius of curvature is small.
- a drive carriage may incorporate one or more of the following features taken in any technically permissible combination:
- the carriage comprises means for adjusting the mounting of the hinge piece for the different mounting positions.
- the articulation part is rigid and mounted with at least one degree of freedom on at least one of the carriage parts.
- the hinge piece is mounted without degree of freedom on one or each of the carriage parts.
- the hinge part comprises a folded first end forming a hinge with the first carriage part.
- the hinge part comprises at least a second folded end for mounting on the second carriage part.
- the second carriage part comprises a plurality of receiving housing of the second folded end of the workpiece.
- the hinge piece is mounted without degree of freedom on one or each of the first and second parts of the carriage.
- the carriage comprises two separate hinge means, of two different types, of the carriage components relative to a rigid body of the first part of the carriage.
- a first means of articulation of the carriage comprises a support of at least one of the carrying wheels of the first carriage part, pivotally mounted relative to the carriage, about an axis perpendicular to the axis of rotation of this wheel.
- the first carriage part carries two pairs of carrying wheels as well as two pairs of stabilizing wheels.
- the carriage comprises means for fixing the ends of a flexible drive link of the carriage respectively on the first and second parts of the carriage.
- the drive belt mounted at each end to different parts of the carriage, can be tensioned or relaxed depending on its length and the voltage required by the installation.
- the carriage responds to a dual problem: that of the passage of curvatures in the guide rail and that of the tension of the drive element such as a belt, from a single embodiment.
- the articulation axes of the articulation means are parallel and separated by a distance less than the distance between the two carriage parts.
- the carriage according to the invention makes it possible to solve a double constraint: an articulation of the carriage combined with a rigid and solid attachment of the two ends of the belt.
- the assembly of the various parts of the carriage is very simple, it does not require fragile parts linking different parts together.
- the assembly of the various parts of the trolley can be done on site, thus making it possible to configure the trolley for a right or left curvature of the rail.
- the assembly of the belt on at least one of the parts of the carriage can be done without stress outside the rail, the tension of the belt is achieved simply during assembly of the connecting piece.
- At least a first carriage portion is mounted on a plurality of wheel pairs, thereby ensuring the stability of the carriage portion, independently of other parts forming the carriage, that is to say the second carriage part and the hinge means. This stability is ensured in the longitudinal direction of displacement of the carriage, as well as in the perpendicular direction, along the axis of the wheels, due to the presence of a pair of wheels, each wheel of a pair being arranged on the side and on the other side of the longitudinal axis of the trolley.
- FIG. 1 is a partial schematic representation of a sliding curtain concealment installation comprising a drive carriage according to the invention
- FIG. 2 is a partial section along line M-II in FIG. 1;
- FIG. 3 is a perspective view of the drive carriage of the installation of FIG. 1,
- FIG. 4 is a perspective view, on a larger scale and at another angle, of a connecting piece belonging to the carriage of FIG. 3;
- FIG. 5 is a side view of a part of the carriage of FIG. 3,
- FIG. 6 is a perspective view similar to FIG. 3, when the carriage is in a second use configuration.
- FIG. 7 is a perspective view of a carriage according to a second embodiment of the invention and a portion of its drive belt.
- FIG. 1 is a partial diagrammatic view of an obscuration installation of a bay which comprises a curtain (not shown) and driven by a drive carriage 1 secured to two ends of a belt 12, itself driven. by a pulley not shown driven by an actuator, also not shown, such as an electric motor.
- a rail 10 guides the trolley 1 in the opening and closing movements of the curtain R.
- the rail 10 has a substantially rectangular cross-section forming, on the bottom surface, guides 14 and 15 for the belt 12 folded over it and guides 16 and 17 for wheels of the carriage, and a longitudinal opening 18 for the passage of the body of the carriage itself.
- the carriage comprises two parts 20 and 21, respectively front and rear, assembled to one another by a connecting piece 22.
- the concepts "before” and “back” are conventions corresponding to the movement of the trolley 1 from right to left in Figure 1, being recalled here that the carriage can also move in the opposite direction along the rail 10.
- the first pair of wheels 25 is pivotally mounted relative to the body 20a of the front carriage 20 around a Z-axis 20 perpendicular to a longitudinal axis X20 of the carriage 20 before taken according to the carriage running direction before 20 along the rail 10.
- the Z axis 20 is substantially vertical when the carriage 1 is supported by the rail 10 which is horizontal.
- it is the second pair of wheels 26 which is pivotally mounted about an axis parallel to the axis Z 20 .
- the pair of pivotable wheels is mounted on a 2Od support, with the possibility of rotation about a Y-axis 20 perpendicular to the axis Z 2 o- 2Od
- the carrier is itself mounted on the body 20a rotatably around the Z axis 20 .
- the Y axis 2 so oa a variable orientation relative to the axis X 2 o
- the first pair of swivel wheels can thus pivot around the Z-axis 20 as shown by the double arrow F in Figure 3, and allow the operation of the trolley before along curved rails. This remains applicable (to the axis references close) in the case where the second pair of wheels is pivotally mounted.
- the body 20a of the front carriage 20 is rigid.
- the second pair of wheels 26 of the front carriage 20 allows, in combination with the first pair of wheels 25, to ensure the stability of the front carriage in the rail 10.
- the front carriage can be connected to a tab 100 hanging from the curtain, this tab extending cantilever relative to the body of the front carriage.
- the trace of the curtain is visible with the reference R.
- the tilting torque exerted on the trolley portion 20 may be important, particularly when added to the weight of the curtain R attached to the hook tab.
- the wheels of the second pair of wheels can then be in contact with the upper edge of the rail.
- the wheels of the second pair of wheels 26 are rotating about an axis perpendicular to Y'20 X20 and Z axes 20 and fixed relative to the body 20a.
- the front carriage 20 is connected to the second carriage portion 21, so-called
- the connecting piece 22 is in the form of a rigid part mounted on the one hand, on the front carriage 20, in a notch 20b provided for this purpose, and on the other hand, on the rear carriage 21, in at least one notch 21b.
- the body 21 of the rear carriage 21 is rigid and its wheels 27 are rotating about a fixed axis Y21 relative to this body.
- the bodies 20a and 21 has front and front carriages can be made of metal or rigid plastic material.
- FIG. 3 shows in perspective the constituent parts of the drive carriage 1 previously described. The pairs of wheels 25, 26 and 27 are visible.
- Figure 4 shows a side view of the connecting piece insulated from the rest of the carriage 1.
- This connecting piece is made of metal or rigid plastic material. It comprises a plane main sail 221, from which extends a first end 22a of the piece 22 folded and rounded. The insertion of this end 22a into the notch 20b of the front carriage forms a hinge-type articulation between the connecting piece 22 and the front carriage 20. In other words, thanks to this articulation, the piece 22 can pivoting relative to the body 20a about an axis parallel Z 22 to the axis Z 20 .
- the axes Z 2 o and Z 22 therefore constitute two axes of joints parallel to each other. These axes are perpendicular to the axes of rotation of the wheels 25 and 26 and a longitudinal axis of the carriage coincides with the axis X 2 o when the parts 20 and 21 are aligned.
- the components of the carriage 1 that are, on the one hand, the pair of wheels 25 and, on the other hand, the rear carriage 21 are hinged by the means 20d and 22 on the body 20 of the front carriage.
- At the other end of the web 221 of the connecting piece 22 are two tabs 22b and 22c folded at right angles to the web 221, so as to be able to penetrate into corresponding notches 21b and 21c of the rear carriage 21.
- a central and straight intermediate tab 22d extends in the extension of the web 221, between the tabs 22b and 22c.
- This leg has a 22e hole.
- this intermediate lug extends along the body 21a of the rear carriage 21 and can be fixed, for example by a screw passing through the hole 22e and engaged in a corresponding thread 21 d rear carriage 21.
- the part 22 forms a means of articulation between these parts of the carriage 1, insofar as the end 22a is articulated in the notch 20b.
- the first portion 20 and the second portion 21 of the carriage are spaced from each other by a distance d imposed by the connecting piece 22.
- the legs 22b and 22c are engaged in the notches 21b and 21c.
- the distance between the carriage portions 20 and 21 is reduced by a distance of, which corresponds to the distance between the centers of the notches 21b and 21b '.
- a second thread 21 d ' is provided, at the distance of the tapping 21 d, to receive a screw passing through the hole 22e when the tabs 22b and 22c are engaged in the notches 21 b' and 21 c '.
- This double position mounting system of the connecting piece 22 on the rear carriage 21 makes it possible to adjust the total length Li of the rectilinear carriage parallel to the direction of the rail 10, and in particular to adjust the distance between the hooked points. ends of the belt 12 on each trolley portion 20 or 21.
- the rear carriage 21 requires only one pair of wheels 27. It could however be equipped with two pairs of wheels, possibly including a pair swivel wheels, like the front cart.
- the use of two pairs of wheels on at least one of the parts 20 or 21 of the carriage 1 makes it possible to ensure the maximum stability, whatever the load carried, as well as to minimize the friction, in particular when the weight of the curtain is important.
- the use of flexible wheels, made of plastic or rubber-lined, for example, makes it possible to minimize the noise of the rolling on the rail 10.
- the rear carriage 21 carries a eyelet 30 for supporting the curtain.
- This eyelet 30 makes it possible to hang a portion of the curtain to the carriage 1 to drive it along the rail 10.
- the eyelet can be mounted in a manner known removably on the rear carriage 21.
- Various other types of supports could to be connected to the carriage 1 instead of the eyelet, for example a hook, a ring or any other attachment means adapted to the finish of the curtain.
- the connecting piece 22 itself can incorporate another degree of freedom in the connection with or between the parts 20 and 21 of the carriage.
- This additional degree of freedom may allow the compensation of variations in the height of the rail and / or add to the flexibility of the carriage to adjust to the curvatures of the rail (for example by the introduction of a hinge at the part level linkage itself) especially for small radius bends.
- This additional degree of freedom may be present only at one of the fixing areas of the connecting piece 22 on one of the parts 20 and 21 of the carriage.
- the notch 20b may be provided more extensive, for example in height that is to say parallel to the axis Z 2 o, it is necessary to receive the folded end 22a of the piece
- the connecting piece 22 can move slightly sloping in height relative to the front carriage 20 or vice versa.
- the part 22 can be mounted with a degree of freedom with respect to each of the parts 20 and 21 of the carriage 1.
- Figure 5 shows the rear carriage alone. This figure shows the following elements: the first pair of notches 21b, 21c intended to receive the folded tabs 22b and 22c of the connecting piece 22 in the first mounting position shown in FIG. 1 and the second pair of notches 21b 'and 21c' used to receive the tabs 22b and 22c in the second position shown in Figure 3, which allows to adjust the distance between the front carriage 20 and the rear carriage 21.
- more than two sets of notches can be provided, which makes it possible to use three or more mounting positions of the part 22 on the front carriage 21.
- a single notch could be provided if, correspondingly, the connecting piece 22 has only one folded tab, for example a central folded tab.
- the two threads 21d and 21d ' are used for fixing the connecting piece 22 on the rear carriage 21 by means of a screw, in the two configurations provided by the pairs of notches.
- these threads are replaced by smooth holes and the screw passes through the body 21a of the carriage 21 from one side to cooperate with a nut reported against the face of the body 21 opposite to that visible in Figure 5.
- the pairs of notches 21b and 21c or 21b 'and 21c' may also be provided wider, parallel to the length of the carriage 1, necessary to accommodate the legs 22b and 22c, and the hole 22e of the leg central can be brought opposite an oblong hole on the rear carriage21. Thus, a fine adjustment of the position is possible for each mounting position.
- FIG. 5 also shows a fastening means 21f of one end of the belt 12.
- This fixing means 21f is not detailed but can cooperate with an intermediate piece holding one end of the belt 12 at the rear carriage, in a manner known per se.
- a corresponding fixing means 20f is also provided on the front carriage 20 to fix the other end of the belt 12. The invention has been shown with a single pair of swivel wheels
- one or more of the other pairs of wheels can pivot about an axis parallel to the Z axis 20 .
- the wheels 26 are pivotable about an axis Z '2O parallel to the Z axis 20 defined above.
- a support of the type of support 2Od can be used. In this case, d 2 oo distance between the hinge axes Z '20 and Z 22 is less than the distance d between the front and rear portions of the carriage.
- a support of the type of support 2Od can be used.
- the two hinge means of different types are a pivoting wheel support, and a hinge piece forming a connection between two carriage parts.
- the carriage 1 of this embodiment comprises a first portion 20, said front carriage and a second portion 21 said rear carriage.
- a connecting piece 22 is used to connect the parts 20 and 21.
- This connecting piece 22 is identical to that shown in Figure 4 and is in the form of a rigid part, a first end, which is not visible in Figure 7 but which is identical to that indicated by the reference 22a in Figure 4, is engaged in a notch 20b of the body 20a of the first portion 20 of the carriage.
- This partial insertion of the connecting piece 22 in the notch 20b forms a hinge type articulation between the parts 22 and 20a.
- the piece 22 is provided with two tabs 22b and 22c which can be selectively engaged in two sets of notches in the body 21a of the part 21.
- two notches 21 b 'and 21 c' are visible, in which are engaged the legs 22b and 22c, while another notch 21b is visible at a distance from the notch 21 b '.
- the pairs of notches 21b and equivalent, 21b 'and 21c' allow to mount the tab 22 in two positions relative to the body 21a, which allows to adjust the distance d between the bodies 20a and 21a parts 20 and 21.
- Part 21 of this embodiment is identical to that of the first embodiment and corresponds to the representation of FIG. 5.
- the portion 20 differs from that of the first embodiment in that the carrying wheels 25 and 26 are all mounted with their respective axes of articulation Y 2 o and Y ' 2O fixed relative to the trolley part before 20.
- load wheels 27 are pivotally mounted about a fixed axis Y 2 i relative to the rear carriage portion 21.
- the parts 20 and 21 are rigid, as in the first embodiment.
- the body 20a carries two series of two wheels 125 and 126 of which only the wheels 125 and 126 located on one side of the body 20a are fully visible in Figure 7, it being specified here that a similar wheel is mounted on the side of the body 20a that is not visible in Figure 7.
- the wheels 125 and 126 are rotatably mounted about axes Y120 and Y 'o 12 which are parallel to the axes Y 2 and Y o' o 2 and whose orientation is fixed relative to the body 20a.
- These wheels 125 and 126 serve to stabilize the carriage in the rail in the case where a heavy curtain is mounted on a hook tab extending cantilever relative to the carriage as shown in FIG. 6, with reference 100, for the first embodiment. If the truck tilts due to this overhang, the wheels 125 and 126 can keep the carriage in the axis and prevent fixed elements of the carriage rubbing on a portion of the rail.
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0950794A FR2941857B1 (fr) | 2009-02-09 | 2009-02-09 | Chariot d'entrainement pour rideau coulissant |
PCT/FR2010/050197 WO2010089517A1 (fr) | 2009-02-09 | 2010-02-08 | Chariot d'entraînement pour rideau coulissant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2393402A1 true EP2393402A1 (fr) | 2011-12-14 |
EP2393402B1 EP2393402B1 (fr) | 2012-12-05 |
Family
ID=41017181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10708297A Not-in-force EP2393402B1 (fr) | 2009-02-09 | 2010-02-08 | Chariot d'entraînement pour rideau coulissant |
Country Status (6)
Country | Link |
---|---|
US (1) | US8418318B2 (fr) |
EP (1) | EP2393402B1 (fr) |
KR (1) | KR20110113742A (fr) |
CN (1) | CN102307499B (fr) |
FR (1) | FR2941857B1 (fr) |
WO (1) | WO2010089517A1 (fr) |
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FR2962317B1 (fr) * | 2010-07-06 | 2013-04-05 | Somfy Sas | Chariot de rideau motorise et installation d'occultation comprenant un tel chariot |
US20130160240A1 (en) * | 2011-12-23 | 2013-06-27 | Cavity Sliders Limited | Damping Assembly and Damping Mechanism Therefor |
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FR2987249B1 (fr) * | 2012-02-28 | 2015-05-15 | Somfy Sas | Chariot motorise et installation d'occultation comprenant un tel chariot |
US20160235238A1 (en) * | 2013-10-04 | 2016-08-18 | Matec Patent Trades Ug | Curtain glider |
KR101534740B1 (ko) * | 2013-12-26 | 2015-07-07 | 현대자동차 주식회사 | 다관절 슬라이더 장치 |
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RU2705802C2 (ru) | 2015-09-07 | 2019-11-12 | Икея Сапплай Аг | Диван-кровать и система скольжения для такого дивана-кровати |
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SE540785C2 (en) | 2017-03-03 | 2018-11-13 | Ikea Supply Ag | A furniture rotary system having reduced friction, and a piece of furniture comprising such system |
SE540465C2 (en) | 2017-03-03 | 2018-09-18 | Ikea Supply Ag | Furniture lubricant comprising a C10 to C28 alkane and a triglyceride |
AT519904B1 (de) * | 2017-05-11 | 2022-07-15 | Blum Gmbh Julius | Führungsschlitten zur verfahrbaren Lagerung eines Möbelteiles |
IT201800004273A1 (it) * | 2018-04-06 | 2019-10-06 | Carrello con elementi elastici di compensazione per la movimentazione di porte scorrevoli | |
TWI682748B (zh) * | 2018-10-31 | 2020-01-21 | 杉信實業股份有限公司 | 軸插式輪座結構 |
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-
2009
- 2009-02-09 FR FR0950794A patent/FR2941857B1/fr not_active Expired - Fee Related
-
2010
- 2010-02-08 US US13/148,441 patent/US8418318B2/en not_active Expired - Fee Related
- 2010-02-08 KR KR1020117018282A patent/KR20110113742A/ko not_active Application Discontinuation
- 2010-02-08 WO PCT/FR2010/050197 patent/WO2010089517A1/fr active Application Filing
- 2010-02-08 CN CN201080006952.4A patent/CN102307499B/zh not_active Expired - Fee Related
- 2010-02-08 EP EP10708297A patent/EP2393402B1/fr not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2010089517A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20120011681A1 (en) | 2012-01-19 |
CN102307499B (zh) | 2014-02-26 |
US8418318B2 (en) | 2013-04-16 |
KR20110113742A (ko) | 2011-10-18 |
EP2393402B1 (fr) | 2012-12-05 |
FR2941857B1 (fr) | 2013-12-20 |
FR2941857A1 (fr) | 2010-08-13 |
WO2010089517A1 (fr) | 2010-08-12 |
CN102307499A (zh) | 2012-01-04 |
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