EP2817471A1 - Dispositif d'enroulement et déroulement d'une bande de matière sur et à partir d'un arbre - Google Patents

Dispositif d'enroulement et déroulement d'une bande de matière sur et à partir d'un arbre

Info

Publication number
EP2817471A1
EP2817471A1 EP13706431.7A EP13706431A EP2817471A1 EP 2817471 A1 EP2817471 A1 EP 2817471A1 EP 13706431 A EP13706431 A EP 13706431A EP 2817471 A1 EP2817471 A1 EP 2817471A1
Authority
EP
European Patent Office
Prior art keywords
shaft
material web
torque
rotation
additional
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
Application number
EP13706431.7A
Other languages
German (de)
English (en)
Other versions
EP2817471B1 (fr
EP2817471B8 (fr
Inventor
Peter Lang
Florian AULINGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shadesign & Co KG GmbH
Original Assignee
Shadesign & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shadesign & Co KG GmbH filed Critical Shadesign & Co KG GmbH
Publication of EP2817471A1 publication Critical patent/EP2817471A1/fr
Publication of EP2817471B1 publication Critical patent/EP2817471B1/fr
Application granted granted Critical
Publication of EP2817471B8 publication Critical patent/EP2817471B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/44—Rollers therefor; Fastening roller blinds to rollers
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/64—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor with lowerable roller
    • 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
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • 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
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0648—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the roller tube
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B2009/405—Two rollers

Definitions

  • the present invention relates to a device for winding and unwinding of a material web on and from a shaft according to the preamble of claim 1.
  • Corresponding devices can serve as a shading device, visual protection device and / or delimiting device.
  • the material web is usually attached to a first attachment end to a support structure, for example to a window beam or to a wall.
  • a second attachment end opposite the first attachment end the material web is fastened to a circumference of the shaft in such a way that the material web moves on a central portion of the shaft as a function of the direction of rotation of the shaft by rotation about a rotation and symmetry axis Wave is rolled up and down.
  • the latter has at its two axial end regions in each case an edge section, wherein a respective tensioning cable is fastened to the respective enclosing of the edge sections.
  • the tension cables can be rolled up and down by rotating the shaft as a function of the direction of rotation on the respective edge sections.
  • the attachment of the material web on the circumference of the central portion of the shaft and the attachment of the tensioning cables to the embracing of the edge portions of the shaft are such that by rotating the shaft in a Abrollburnraum the shaft moves away from the support structure and thereby the material web from the central portion unwinding the shaft, wherein in this Abrollfox the shaft, the tension cables are rolled up on the respective edge portions of the shaft.
  • the shaft In an arrangement in which the web is to roll in the vertical direction of the shaft, the shaft is driven by the force acting on them gravity and rotated, causing the web to roll off the shaft.
  • the shaft is only insufficiently driven by the gravitational force acting on it, so that the shaft has to be turned manually or by a motor.
  • the radial distance between the surface material and the axis of rotation decreases with increasing rolling length.
  • the tension of the surface material would depend on the coasting length.
  • the edge regions of the shaft have such a conical shape that, regardless of the rolling length of the surface material, the radial distance between the tensioning cables and the axis of rotation is always identical to the radial distance of the surface material from the axis of rotation .
  • the shaft In a corresponding device known from the prior art, the shaft must be driven, for example, either manually or by a motor via a separate traction cable which is rotatably connected, for example, to an end face of the shaft in the region of its axis of rotation.
  • DE 681428 describes an engine for the rolling and winding device on roller blinds for window fronts in darkening devices, wherein the roller blind above the window in a terminal block attached and wound on a serving as a drop rod roll bar.
  • the roll bar is by a on him in a roller winding up and held at the top of the window run and a roller mounted on the roll bar and this by means of a winch roller winding up and unrolled.
  • the object of the present invention is to provide an improved device for winding and unwinding a material web onto and from a shaft which comprises fewer components, is easier to install, ensures sufficient tension of the material web independently of its coasting length and in particular in the case of an arrangement in which the material web is unrolled obliquely or horizontally from the shaft, the shaft is further reliably driven.
  • a first radial distance of the material web assigned to an arbitrary length of travel of the material web differs from the rotational axis of a second radial distance of the tensioning cable to the axis of rotation associated with this run-out length.
  • a first torque exerted on the shaft via the material web differs from a second torque exerted via the tensioning cables.
  • the first torque and the second torque are opposite in direction but have different absolute magnitudes because the first distance differs from the second distance. Consequently, a difference torque results, by means of which the shaft is driven.
  • the torque difference corresponds to the product of the applied force with the difference of the first radial distance and the second radial distance. This attacks in other words at the contact point of the material web with the circumference of the central portion of the shaft and causes rotation of the shaft.
  • the clamping Ropes on the one hand for tensioning the material web and for guiding the shaft and also serve to drive the shaft, thus for rolling or rolling the material web on or from the central portion of the shaft.
  • the device according to the invention comprises only three essential components, namely the material web, the shaft on which the material web is wound up or from which the material web is unwound, and two tensioning cables which can be rolled up and unrolled on the edge regions of the shaft.
  • the device according to the invention therefore has only a few components, so that their manufacture and their installation is particularly simple. Due to the small number of components beyond the error rate of the device according to the invention is reduced.
  • the tensioning cables are designed to be elastic and, in a tensioned state, exert a force directed away from the retaining structure on the shaft, so that the shaft is driven by means of the force exerted by the tensioning cables.
  • a corresponding design has the advantage that no separate Kraftausübe seen such as an electric motor or the like must be used so that the shaft is driven.
  • the device comprises an energy storage device operatively connected to the tensioning cables and exerting on the tensioning cables a force directed away from the support structure. As a result, the shaft can be driven by means of the force exerted by the force storage device.
  • the power storage device may for example consist of a tension spring or two tension springs or a plurality of tension springs.
  • the first distance of the material web to the axis of rotation associated with any run-out length of the material web is greater than the second distance of the tensioning cable associated with the coasting length to the axis of rotation.
  • An appropriate design ensures that the first torque exerted on the shaft via the material web is greater than the second torque exerted on the shaft via the tension cables.
  • the shaft is driven away from the support structure due to the torque difference between the first torque and the second torque by the force transmitted by the tension cables.
  • the torque difference between the first torque and the second torque acts, so that the shaft is driven in such a way that it moves away from the holding structure due to this torque difference emotional .
  • the material web is always unrolled from the central portion of the shaft when the shaft is not fixed in position, which can be done for example by a fixing device.
  • the first distance of the material web to the axis of rotation associated with any length of roll-out of the material web may preferably be smaller than the second distance of the tensioning cable to the axis of rotation associated with this coasting length.
  • the torque difference between the first torque and the second torque at the point of contact of the tensioning cables acts on the circumference of the edge portions and causes a rotation of the shaft on the support structure.
  • the edge portions of the shaft are cylindrical.
  • a corresponding embodiment is particularly simple and inexpensive.
  • the two edge portions of the shaft are at least partially conical along their respective axial extent, and thus taper along their respective axial extent from a first diameter to a second diameter.
  • the first, larger diameter adjacent to the central portion of the shaft but may also be the other, the second, smaller diameter adjacent to the central portion of the shaft.
  • a tension of the material web can be maintained during the roll-up and roll-off movement of the shaft and a corresponding unwinding or unwinding of the material web since the diameter of the material changing with the roll-off length of the material web Material web due to the changing diameter of the Tensioning cables on the edge portions of the shaft is compensated.
  • the respective tensioning cables are rolled up on the respective edge sections of the shaft in the direction of the tapering of the edge sections.
  • the web either shorten the tension cables that exert a tensile force, and / or the power storage device, for example in the form of a tension spring shortens. Due to this shortening, the tensioning cables and / or the energy storage device exert a small force in accordance with Hooke's law.
  • the difference between the first distance of the web to the axis of rotation and the second distance of the tensioning cable to the axis of rotation increases with increasing, ie increasing Ausrollin the web. This ensures that the torque difference between the first torque and the second torque over the entire Ausrollin the material web substantially remains constant, so that the shaft is driven at a constant torque and thus the web is unrolled at a constant unwinding speed of the shaft.
  • the respective tensioning cables are unrolled from the respective edge portions of the shaft in the direction of thickening of the edge portions.
  • the difference between the second distance of the tensioning cable to the axis of rotation and the first distance of the material web to the rotational axis decreases, so that the torque difference over the entire Ausrollin the material web remains substantially constant.
  • the device preferably has a clamping device that is actively connected to the tensioning cables and / or the force-storing device for tensioning the tensioning points and / or the force-storing device.
  • a clamping device that is actively connected to the tensioning cables and / or the force-storing device for tensioning the tensioning points and / or the force-storing device.
  • the device further comprises a control element that is rotatably connected to a shaft end face of the shaft in the region of the axis of rotation and that can be configured, for example, as an operating cable or as an operating lever or as an operating chain.
  • the shaft can be acted upon manually and / or motor with a force.
  • the shaft can be displaced again by means of the operating element against the force exerted by the tensioning cables and / or by the force storage device into an initial position, so that the tensioning cables and / or the power storage device again be tense.
  • the device further comprises a supplementary shaft at the periphery of the first attachment end of the material web is fixed such that by rotating the additional shaft about an axis of rotation, the material web on a central portion of the additional shaft up and is unrolled.
  • the additional shaft has in its two axial end regions in each case an edge portion, on each of which an additional tensioning cable is fastened, wherein the additional tensioning cables can be wound up and down on the respective edge portions by rotation of the auxiliary shaft and can be fastened to the support structure.
  • a first radial distance of the material web to the axis of rotation of the additional shaft assigned to any length of roll-out of the material web differs from a second radial distance of the additional tensioning cable assigned to this rolling-out length to the axis of rotation of the central shaft, so that a first torque exerted on the additional shaft via the material web differs from a second torque exerted on the additional shaft via the additional tensioning cables in the direction and size such that the additional shaft is driven due to the torque difference between the first torque and the second torque by a force transmitted by the additional tensioning cables.
  • a shading surface or a privacy screen can be moved back and forth variably in space without the material web must be attached to the support structure and thus ends there.
  • a shading surface or screen may be created that appears to be out of contact with a mounting structure and thus appears to be three mounted in space.
  • FIG. 13 shows a front view and a top view of the device according to the invention a further embodiment comprising two shafts, on which the material web can be wound up, wherein the material web is unwound from the two shafts;
  • FIG. 14 shows the device shown in FIG. 13, in which the material web is largely wound on the two shafts.
  • FIG. 1 shows a cross section through a shaft 1, on whose circumference a second attachment end of a material web 2 is fastened.
  • the material web 2 is wound up on the shaft 1 and separates from the shaft at a tangential point on which the material web runs vertically upward in the orientation shown in FIG.
  • a tensioning cable 3 is attached to the circumference of the shaft 1 by one end of the tensioning cable 3 protrudes through an opening in the circumference of the shaft 1 and knotted together inside the shaft to a node 6, so that a Spannseilfix ist 7 results.
  • the tensioning cable 3 and the material web 2 are arranged such that upon unrolling of the material web 2 from the shaft 1, the tensioning cable 3 is rolled up on the shaft 1.
  • FIGS. 1 and 2 show a schematic representation of the device according to the invention in a frontal view and in a plan view.
  • the material web 2 has a first attachment end 5, on which the material web 2 is attached to a support structure 8.
  • the support structure 8 may be, for example, a masonry or any other support structure.
  • a second fastening end 4 is fastened to the circumference of the shaft 1.
  • the material web 2 is completely rolled up in the illustration of Figure 3 on the shaft 1.
  • the shaft 1 has at its two axial end regions in each case an edge portion 10, which adjoin the central portion and at the respective surrounding each a tensioning cable 3 is attached.
  • the tension cables 3 are up by rolling the shaft 1 on the edge portions 10 and unrolled.
  • the other ends of the tensioning cables 3 are in turn fastened to a support structure 8 or to a tensioning device 9.
  • the tension cables 3 have a certain tension, so that when the material web 2 is rolled up or unrolled from the shaft 1, the shaft 1 is guided in its movement.
  • the shaft 1 moves away from the support structure 8.
  • the material web 2 is unrolled from the central portion of the shaft 1, and at the same time the tensioning cables 3 are rolled up on the respective edge portions 10 of the shaft 1.
  • FIG. 4 shows the device in which the material web 2 is partially unrolled from the central portion of the shaft 1.
  • a rolling of the material web 2 of the central portion of the shaft 1 is thus accompanied by a rolling up of the tensioning cables 3 on the edge portions 10 of the shaft 1.
  • the device further comprises a rotatably connected to a shaft end face 13 of the shaft 1 in the region of the axis of rotation control element 11, which may be configured, for example, as a control cable 11, control lever 11 or operating chain 11.
  • the shaft can be moved up and / or down, so that during a downward movement, the material web 2 from the central portion of the shaft 1 rolls, and at an upward movement of the shaft 1, the material web 2 on the central portion of Rolling up shaft 1.
  • FIG. 5 shows a section through a part of the central section and through an edge section 10 of the shaft 1 of the device in a state in which the material web 2 is largely rolled up on the shaft 1 and the tensioning cable 3 is largely unrolled from the edge section 10.
  • This state corresponds to the state of the device shown in FIG.
  • FIG. 6 shows the same region in cross-section as FIG. 5, wherein in FIG. 6 the material web 2 is for the most part unrolled from the shaft 1 and the tensioning cable 3 is largely rolled up on the edge section 10 of the shaft 1.
  • This state corresponds to the state shown in FIG.
  • edge section 10 of the shaft 1 extends along its axial primary recesses. kung is tapered and tapers along its axial extent from a first diameter to a second diameter.
  • This conical shape for the edge portion 10 has the purpose that the material web 2 always remains uniformly or approximately uniformly tensioned, regardless of a length L of rolling of the material web 2. Because during the unwinding of the material web 2, a first radial distance Rl of the material web 2 decreases to the axis of rotation of the shaft 1.
  • Figure 8 shows a schematic side view of the device according to the invention in a state in which the material web 2 is already partially unrolled from the central portion of the shaft 1.
  • the coasting length L of the material web which represents the length of the unrolled material web 2 from the holding structure 8 to the contact point of the material web 2 with the shaft 1, is approximately 50% of the maximum coasting length L in the state shown in FIG.
  • the tensioning cable 3 is partially rolled up in the state shown in Figure 8 on the circumference of the edge portion 10 of the shaft 1.
  • the tensioning cable 3 is deflected by a deflection device 22 and is connected to a force storage device 21 in the form of a tension spring 21.
  • the force storage device 21 itself in turn is connected to a holding structure 8.
  • the power storage device 21 exerts on the tension cables 3, a tensile force F. Due to the third Newton's law and the connection of the tensioning cable 3 with the material web 2 via the shaft 1, the support structure 8, with which the second attachment end 4 of the material web 2 is connected, exerts an opposing counterforce on the material web 2.
  • the counteracting force exerted by the support structure 8 is identical in magnitude to the tensile force F exerted on the tensioning cables 3 by the force storage device 21, but oriented in the opposite direction. It can be seen from FIG. 8 that a first radial distance Rl of the material web 2 to the axis of rotation of the shaft 1 is greater than a second radial distance R2 of the tensioning cables 3 to the axis of rotation of the shaft 1.
  • the differential torque acts on the point of the shaft 1 at which the material web 2 leaves the shaft 1.
  • FIG. 8 the material web 2 is aligned horizontally in an unrolled state. This represents an idealized state.
  • the shaft 1 sags a little, so that the angle enclosed by the material web 2 and the tensioning cables 3 is not 180 ° but includes a smaller angle.
  • the force ratios in a correspondingly sagging shaft 1 are identical to the force ratios described above.
  • the material web 2 is not oriented horizontally in an unwound state but is oriented obliquely, then not only the force F generated by the force storage device 21 acts on the shaft 1, but in addition also a downhill force. component of gravity, which in addition to a rolling of the web 2 of the shaft 1 contributes.
  • the force storage device 21 contracts, so that in the course of the rolling movement, the force exerted by the force storage device 21 becomes smaller as the length L of the material web 2 increases. Consequently, with a constant difference of the first radial distance Rl to the second radial distance R2, the shaft 1 would be pulled by the energy storage device 21 with increasing Auslaufin L slower towards the end position of the shaft 1.
  • the shape of the edge portions 10 can be adapted such that the difference between the first distance Rl of the material web 2 to the axis of rotation of the shaft 1 and the second Distance R2 of the tensioning cable 3 to the axis of rotation of the shaft 1 increases with increasing Ausrollin L of the web 2.
  • FIG. 9 A corresponding relationship is shown in FIG. 9, from which it can be seen that, as the length L of the material web 3 increases, the second radial distance R2 of the tensioning cable 3 drops more steeply to the axis of rotation than the first radial distance R1 of the material web 2 to the axis of rotation.
  • FIG. 8 shows a side view of the device according to the invention, in which the material web 2 is unrolled from the shaft 1 due to the exertion of force by the force storage device 21
  • FIG. 10 shows the device according to the invention in which the material web 2 is deformed due to the tensile force F exerted by the force storage device 21 is rolled up on the shaft 1.
  • the first distance Rl of the material web 2 to the axis of rotation must be smaller than the second radial distance R2 of the tensioning cable assigned to this length L to the rotation axis.
  • the first torque exerted via the material web 2 via the shaft 1 is smaller than the second torque exerted on the shaft 1 via the tensioning cables 3.
  • the scalar quantities of the first and second torques are shown symbolically with arrows of different sizes in FIG.
  • the direction of the respective arrows indicates the direction in which the respective torques drive the shaft 1. Due to the effect of the differential torque, the shaft 1 in the illustration of FIG.
  • the force storage device 21 is maximally tensioned when the material web 2 is completely unrolled from the shaft 1, ie when the shaft 1 is located on the rightmost in the illustration of FIG.
  • the force storage device 21 contracts and thus relaxes, the shaft 1 is moved in the direction of the second attachment end 4 of the material web 2 due to the resulting torque. Due to the contraction of the force storage device 21, as the length L of the material web 2 decreases, the force F exerted by the force storage device 21 is reduced.
  • the differential torque In order for the shaft 1 to be transferred from the force storage device 21 to its end position at a constant speed, the differential torque must however, be constant. In order to achieve this, as shown in FIG.
  • the difference between the second distance R2 of the tensioning cable 3 relative to the axis of rotation and the first distance R1 of the material web 2 to the axis of rotation may become smaller with increasing length L of the material web.
  • the torque difference over the entire Ausrollin L of the web 2 can be kept substantially constant, so that the rolling speed of the shaft 1 remains substantially constant.
  • FIG. 12 shows the device according to the invention in a schematic side view, wherein an energy storage device 21 is not shown in the device.
  • the tensioning cables 3 can be elastically formed, so that they themselves develop the tensile force F.
  • the device has a control element 11, which is connected in a rotationally movably connected manner to the shaft end face 13 of the shaft in the region of the axis of rotation
  • Form of an operating rope 11 includes.
  • the operating cable 11 is deflected by a control element deflection 26, so that the operating cable 11, after being deflected by the control element deflection 26, hangs vertically downwards.
  • the operating cable 11 or the operating element 11 does not necessarily have to be operated manually, but alternatively can also be driven by a motor.
  • Figure 13 shows an alternative embodiment of the device according to the invention in a state in which the material web 2 is completely rolled out.
  • the device comprises, in addition to the shaft 1, a supplementary shaft 15, on the circumference of which the first attachment end 5 of the material web 2 is fastened such that the material web 2 can be wound up and down on a central portion of the additional shaft 15 by rotating the additional shaft 15 about an axis of rotation ,
  • the additional shaft 15 in each case has an edge section 10, at the respective peripheries of which an additional tensioning cable 16 is fastened in each case.
  • the two additional tensioning cables 16 are located on the respective edge sections 10 of the additional shaft 15 by rotation up and unrolled and attached to the support structure 8.
  • the edge sections 10 of the additional shaft 15 are formed in the same way as the edge sections 10 of the shaft 1 in such a way that a first radial distance Rl of the material web 2 associated with any length L of the material web 2 is associated with the axis of rotation of the auxiliary shaft 15 of one of this rolling length L. second radial distance R2 of the additional tensioning cable 16 to the rotational axis of the additional shaft 15 is different.
  • a first torque exerted on the additional shaft 15 via the material web 2 differs from a second torque exerted via the additional tensioning cables 16 on the additional shaft 15 in the direction and magnitude, so that the additional shaft 15 due to the torque difference between the first torque and the second torque a force transmitted by means of the additional tensioning cables 16 is driven.
  • FIG. 14 shows the device shown in FIG. 13 in a state in which the material web 2 is partly rolled up on the shaft 1 and on the additional shaft 15.
  • Folg- lent the position of the rolled-up material web 2 in a certain range between the support structure 8 and the tensioning cable fastening device 9 is variable. It can be seen from FIGS. 13 and 14 that on an end face 13 of the auxiliary shaft in the region of the axis of rotation, an auxiliary operating element 20 is connected in a rotationally movable manner to the auxiliary shaft 15.
  • the operation and purpose of the auxiliary operating element 20 is identical to the functioning and purpose of the operating element 11, so that reference is made to the corresponding description made above.
  • the device according to the invention may comprise two deflection devices 22, by means of which the tensioning cables 3 and the additional tensioning cables 16 are deflected.
  • the tensioning cables 3 can be connected to one another and / or the additional tensioning cables 16 can be connected to one another. If the tensioning cables 3 and / or the additional tensioning cables 16 are deflected.
  • Tensioning cables 16 are elastic, the force necessary for the movement of the shaft 1 or the additional shaft 15 is applied by the tensioning cables 3 or by the additional tensioning cables 16 themselves.
  • a force-storing device 21 in the form of a tension spring with which the tensioning cables 3 or the additional tensioning cables 16 are respectively connected.
  • only a single tension spring per side is necessary.
  • the operating cable 11 can be fastened to the shaft 1, 15 between the material webs 2.

Abstract

La présente invention concerne un dispositif d'enroulement et de déroulement d'une bande de matière (2) sur un arbre (1, 15). Le dispositif est caractérisé en ce qu'un premier écart radial (R1), associé à une longueur de déroulement (L) quelconque de la bande de matière (2), entre la bande de matière (2) et un axe de rotation de l'arbre (1, 15) est différent d'un deuxième écart radial (R2), associé à ladite longueur de déroulement (L), entre un câble tendeur (3, 16) et l'axe de rotation de l'arbre (1, 15), ce qui a pour effet qu'un premier couple exercé sur l'arbre (1, 15) par le biais de la bande de matière (2) présente une différence de direction et d'amplitude par rapport à un deuxième couple exercé sur l'arbre (1, 15) par le biais du câble tendeur (3, 16), de sorte que l'arbre (1, 15) est entraîné en raison de la différence de couple entre le premier couple et le deuxième couple par une force (F) transmise au moyen du câble tendeur (3, 16).
EP13706431.7A 2012-02-24 2013-02-21 Dispositif d'enroulement et déroulement d'une bande de matière sur et à partir d'un arbre Active EP2817471B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012003524.1A DE102012003524B4 (de) 2012-02-24 2012-02-24 Vorrichtung zum Auf- und Abrollen einer Materialbahn auf und von einer Welle
PCT/EP2013/000512 WO2013124067A1 (fr) 2012-02-24 2013-02-21 Dispositif d'enroulement et déroulement d'une bande de matière sur et à partir d'un arbre

Publications (3)

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EP2817471A1 true EP2817471A1 (fr) 2014-12-31
EP2817471B1 EP2817471B1 (fr) 2016-04-06
EP2817471B8 EP2817471B8 (fr) 2016-08-17

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US (1) US9447633B2 (fr)
EP (1) EP2817471B8 (fr)
JP (1) JP6162727B2 (fr)
CN (1) CN104136702B (fr)
AU (1) AU2013224382B2 (fr)
CA (1) CA2863560C (fr)
DE (1) DE102012003524B4 (fr)
ES (1) ES2574519T3 (fr)
RU (1) RU2603607C2 (fr)
WO (1) WO2013124067A1 (fr)

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US9528313B1 (en) * 2015-09-30 2016-12-27 Nathan Dhilan Arimilli Non-intrusive, adaptive tracking and shading device
JP7175754B2 (ja) * 2018-12-27 2022-11-21 株式会社ニチベイ ブラインド
KR102348742B1 (ko) * 2020-03-04 2022-01-07 (주)플렉시고 플렉시블 소재의 내구성 평가용 롤링장치 및 평가시스템
US11142947B1 (en) * 2021-05-11 2021-10-12 Nanyang Kunyuan Intelligent Technology Co., Ltd. Adjustable roller shades

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Also Published As

Publication number Publication date
RU2014138511A (ru) 2016-04-20
CA2863560C (fr) 2019-06-11
JP2015508134A (ja) 2015-03-16
AU2013224382A1 (en) 2014-08-28
CN104136702B (zh) 2016-03-30
US20150034261A1 (en) 2015-02-05
WO2013124067A1 (fr) 2013-08-29
CN104136702A (zh) 2014-11-05
AU2013224382B2 (en) 2016-11-17
DE102012003524A1 (de) 2013-08-29
ES2574519T3 (es) 2016-06-20
EP2817471B1 (fr) 2016-04-06
DE102012003524B4 (de) 2015-07-16
EP2817471B8 (fr) 2016-08-17
US9447633B2 (en) 2016-09-20
JP6162727B2 (ja) 2017-07-12
CA2863560A1 (fr) 2013-08-29
RU2603607C2 (ru) 2016-11-27

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