Abstract: A window blind window blind includes a winding roller rollably mounted a window to lift or lower a roll-up piece, a blind curtain disposed forwardly of the roll-up piece and having elongate loop members, and a plurality of modular clip devices. Each loop member defines a lengthwise hole, and has an anchoring head portion having an access slot, marginal and gripped regions disposed at two sides of the lengthwise hole. Each clip device includes a grip body and a holding tongue. The grip body has loop-side and roll-up piece-side gaps to form a middle gripping finger portion, and internal and external gripping finger portions. The internal gripping finger portion and he holding tongue are placed in the lengthwise hole by virtue of inserting through the access slot to abut against the gripped and marginal regions, respectively. The roller-up piece is snugly engageable in the roll-up piece-side gap.

Abstract: A bottom bar apparatus for a door curtain includes a bottom bar mountable on a lower end of the curtain and two bar connectors for slidably connecting opposite ends of the bar to guide members mounted along sides of the door opening. The apparatus includes two pivot mechanisms each joining a respective one of the bar connectors to a respective end of the bar. Each mechanism includes a pivot shaft and a shaft receiver into which the shaft extends. One of the shaft and the receiver is connected to a respective one of the bar connectors and the other is mounted on the bottom bar. At least one stop device is arranged to limit pivotal movement of the bar and each is mounted on one of the group consisting of the pivot mechanism and the bar connector. Pivotal movement of the shaft is restricted when the curtain is subject to windload.

Abstract: Barrier systems and associated methods, including vapor and/or fire barrier systems, are disclosed herein. One aspect of the invention is directed toward a barrier system that includes a barrier coupled to a spool. The barrier is positioned to be wound onto and off of the spool as the barrier moves between a deployed position and a retracted position by a drive assembly. The system further includes a control system coupled to the drive assembly and configured to command operation of the drive assembly. The system still further includes a sensor operably coupled to the control system and positioned to sense barrier position as the barrier moves between the deployed and the retracted positions.

Abstract: An electric projector screen is revealed. A linkage member is sleeved in a winding tube in a fixed seat and a locator is fixed on the winding tube. An interlock pipe mounted with a connection part therein is arranged between the linkage member and the locator. The interlock pipe and the connection part are corresponding to each other for location. An output end of a motor in the interlock pipe is connected to the connection part while the other end of the motor is arranged with a fastening plate. The cover has limit holes corresponding to the locator so that the locator is pressed tightly by stoppers passing through the limit holes. Thus the screen fabric is located and limited during motor maintenance and replacement and damages caused by sudden opening of the screen fabric are prevented. The motor maintenance and replacement become easier and more convenient.

Abstract: A winding device includes a seat unit, a rotation unit, and a winding rod unit. The seat unit includes a tube seat that has an open end and that defines an accommodating space, and a front cover that covers the open end of the tube seat. The tube seat has a side wall, a tube wall, and a sleeving axle that extends horizontally from the side wall and that is spaced apart from the tube wall. The rotation unit includes a vertical wheel component having a vertical wheel portion and a vertical axle portion, and a horizontal wheel component having a horizontal wheel portion and a sleeving tube portion. A top portion of the winding rod unit is connected to the vertical axle portion. The winding rod unit may be manipulated to rotate the vertical wheel component, such that the horizontal wheel component is driven to rotate.

Abstract: A roller shade assembly for a shade made from a relatively heavy and/or stiff material is described. The roller shade assembly includes a cylindrical member that is attached to the shade. A control mechanism rotates the cylindrical member for winding the shade upon the cylindrical member. Thus, winding the cylindrical member in one direction causes the shade to retract, while unwinding the cylindrical member in an opposite direction causes the shade to extend. In order to maintain the shade in alignment as the shade is retracted and extended, the roller shade assembly includes a pair of opposing retaining members that may have a disc-like shape. The retaining members may be positioned adjacent to the vertical edges of the shade and have an effective diameter larger than the diameter of the shade when fully wound and retracted. In one embodiment, the roller shade assembly can further include fixed edge guides for further maintaining the shade in alignment.

Abstract: A pick-up type utility vehicle with an expandable cargo bed, comprises a front seat, a rear seat; the cargo bed, and a screen separating between the rear seat and the cargo bed, on the chassis, the pick-up type utility vehicle further comprising an operating part for moving the screen, and a movement mechanism moving the screen toward the front and back direction by operation of the operating part.

Abstract: A pick-up style utility vehicle according to the present invention has a front seat, a rear seat, a cargo bed expandable forward, and a screen shield arranged at the front end of the cargo bed. The cargo bed is position changeable between an expanded state and a non-expanded state. A winding device for the screen shield is provided on a front panel. The screen shield is made of a net material having flexibility, for example. One end of the screen shield is windably supported by the winding device. The other end of the screen shield has an engaging portion. A first engaged portion for a non-expanded position and a second engaged portion for an expanded position are provided in the cabin frame.

Abstract: Embodiments disclosed herein include a cordless architectural passage covering system, apparatus and method for making the same. The covering may include a support member, a roller attached to the support member, a first material having a proximal portion secured to the roller, whereby the first material can be wound about the roller or unwound therefrom, a second material having a proximal portion secured to the support member and a distal portion secured to a distal portion of the first material, and at least one guide member attached to the second material, whereby the at least one guide member guides the second material about the first material as the first material is wound about the roller or unwound therefrom.

Abstract: A system for operating and positioning a roller shade may include a roller shade clutch and an idler which are mounted to a bracket for attachment to a structure. The bracket may include a mounting plate and a wall or ceiling engaging member mounted to the mounting plate. The roller shade clutch or idler may be releasably coupled to attachment member of the bracket by a locking device. The locking device may comprise an insert having a body portion, a first end that is configured to be secured within a recess formed in a rear facing surface of the clutch, and a second end that is configured to remain extending at least partially beyond the rear surface of the clutch and to be secured by engagement with a slot formed in the bracket.

Abstract: A roll screen control member is revealed. The roll screen control member consists of a sprocket wheel, a chain protection cover, a sprocket support, a cover spring, a splined bush and a central pin. The splined bush is mounted with a roll screen tube while the central pin includes a central pin head with a plurality of cutting surfaces. After the central pin being locked into the sprocket support, each cutting surface of the central pin is corresponding to each cutting surface on the sprocket support. When a chain is pulled, due to the precise locking between the central pin and the sprocket support, splined bush is moved along with the cover spring so as to drive the roll screen tube to rotate along with the movement and further control extension or retraction of the roll screen.

Abstract: A retractable high-reflectivity wall provides improved lighting conditions for growing plants. The wall is retractable, so that it does not get in the way when the user wishes to work in the grow area. The wall can also be retracted so that it is easier to move, carry, reposition, resize, and/or remove as needed. The wall may be implemented as a sheet including a reflective surface adhered or otherwise mounted onto a flexible backing such as a vinyl surface for additional support/reinforcement. The resulting flexible reflective wall is mounted onto a roller assembly which allows the wall to be extended or retracted. A support bar can be affixed to the roller assembly via brackets or other hardware. The entire apparatus can be suspended from or affixed to a ceiling, wall, fixture, or other object, or it can be supported by a stand or other assembly.

Abstract: A counterbalance system for a rollup door system having a drum in which the counterbalance provides a counter force acting at a distance from the center of rotation of the drum. The counter force is variable in both direction and magnitude at various angular positions of the drum.

Abstract: There is provided a roll-up shade apparatus which can ensure a larger open dimension of a shade. The roll-up shade apparatus comprises a pair of first wire drums which travel and rotate in a wire wind-up direction or a wire feed direction when the shade is moved in the open direction or the closing direction, a pair of second wire drums which are coupled to a retractor so as to be rotatable together with the retractor, and which are rotatably provided at both sides of the retractor coaxially therewith so that a wire wind-up direction becomes opposite to a shade wind-up direction of the retractor, and a pair of wires suspended between the respective first and second wire drums so that the second wire drums rotate in a wire feed direction or in a wire wind-up direction when the first wire drums rotate in the wire wind-up direction or in the wire feed direction, respectively.

Abstract: The present invention relates to window or doorway shades or blinds assemblies. These assemblies contain top translucent portions for simultaneously allowing indoor occupants to receive natural outdoor light in a room while maintaining the privacy of a closed shade or blind. In addition, these assemblies may be customized with internal and external images, which may be removable or directly printed on the assemblies.

Abstract: A roller shade includes at least an upper rail, a lower rail, a shade assembly, an automatic winding assembly and an anchor seat. The automatic winding assembly and the anchor seat are installed on two sides of the upper rail. The automatic winding assembly has a first cap assembly and a first transmission unit hinged inside to perform transmission through an elastic element. The first transmission unit further has a stub shaft at another side to wedge in one side of an axle of the shade assembly. The anchor seat is wedged in another side of the axle of the shade assembly to form rotation. Through rotation of the automatic winding assembly, retraction and extension of the shade can be controlled to facilitate operation.

Abstract: A protection or shading system for a motor vehicle, in particular a wind deflector system for a convertible, with a base, a sheet-like structure entendable between an inoperative position and a functional position in an extension direction away from the base, a rigid end element fastened to the sheet-like structure, and an extension device fastened on one side to the base and on the other side to the end element. The extension device is designed so as to transfer the system from an inoperative state in which the sheet-like structure, the end element and the extension device are each in an inoperative position, into a functional state, in which the sheet-like structure, the end element and the extension device are each in a functional position.

Abstract: An interchangeable rolling blind device in which two interlocking grooves are provided in two control element lead-out apertures opposite to each other at both sides of a mounting seat. A control element guiding block is provided for the penetration of the control element. An insert portion corresponding to the interlocking groove is provided on the control element guiding block. When the mounting seat is secured at either end of blind frame, the insert portion of the control element guiding block is inserted into the interlocking groove of the control element lead-out aperture in the designated direction.

Abstract: An automated shade system that shades windows on different planes is disclosed. The automated shade system comprises a roller tube with shade material wound on the roller tube connected to a second roller tube with a second shade material wound on the second roller tube, wherein each roller tube is at an angle to the other. The roller tubes are connected by an off axis connector that transmits torque between the two roller tubes. The system has only one drive mechanism to operate the non coaxial roller tubes, whereas other shade systems would require separate drive mechanisms for each roller tube.

Abstract: The invention concerns a device with a curtain which can be rolled up and unrolled between a shut position and an open position, whereby this curtain (1) comprises a belt (2,3) on each of its faces, whereby each belt (2,3) has successive teeth (5,6) in the longitudinal direction, whereby these belts (2,3) are situated opposite one another in such a way that they can mesh when the curtain (1) is being rolled up. At least one of these belts (2,3) comprises teeth (5,6) having at least one recess (8,9) in which at least one protruding part (10,11) of the teeth (5,6) of the other belt (2,3) can engage in such a way that the two belts (2,3) can mesh and such that one of these belts (2,3) can push the other belt (2,3) in their longitudinal directions.

Abstract: A roller shade mounting system provides a tube-in-tube arrangement for reducing sagging of a roller tube windingly supporting a shade fabric. The mounting system includes a mounting tube received within a roller tube, and first and second annular drive rings located on an outer surface of the mounting tube. The drive rings are secured to the mounting tube and the roller tube secured to the drive rings such that rotation of the mounting tube results in rotation of the roller tube. Each drive ring is located at a distance from an end of the roller tube for limiting sagging deflection of the roller tube. The tube-in-tube arrangement provided by the mounting system provides controlled deflection for the roller tube without necessitating undesirably large increase in the diameter of the roller tube, which could create an undesirable appearance in many roller shade installations.

Abstract: A window covering for a window having a window casement, or other opening in a wall, such as a doorway or a case-less window opening, with an inside portion adjacent to the window and an outside portion adjacent to the inside portion, the outside portion having a left side portion and a right side portion is disclosed. The window covering comprising includes a support assembly configured and arranged to attach to an inside portion of a window casement and a window treatment suspended from the support assembly and overlapping at least a portion of a left side portion and a right side portion of an outside portion of the window casement whereby the window treatment covers the window.

Abstract: A handle assembly for adjusting a window treatment is disclosed. A wand is included and is configured and arranged to adjust a window treatment. The handle includes a grip on the wand, and has at least one engagement surface thereon. Further, the handle includes a cleat having at least one reciprocal mating surface configured and arranged to selectively interlock with the at least one engagement surface of the grip.

Abstract: A wall opening covering is disclosed. The covering includes a take up member attached to a support assembly. The take up member is rotatable in a first direction and a second direction and the support assembly is configured and arranged to fasten to a wall opening. A lifting member is retained by the take up member. A front panel is suspended in the wall opening and connected to the lifting member. The front panel is movable between a first position and a second position whereby rotation of the take up member in the first direction gathers the lifting member thereby drawing the front panel to the first position and rotation of the take up member in the second direction releases the lifting member thereby drawing the front panel to the second position. The wall opening covering may further include a transmission assembly driving the take up member.

Abstract: The invention concerns a gate with a section that is movable, along a preferably prescribed track that features a, for the most part, rectilinear running section, between a closed position and an open position, a controller that is designed for the purposes of controlling the gate section movement and for the generation of first control signals for preferably the purpose of stopping the gate section movement in the event of leaving the prescribed track, whereby associated with the controller is a transmitter arrangement for the purposes of generating two, three or more signals that run along approximately perpendicular to the prescribed track and approximately parallel to a, during the closing movement, preceding edge of the gate section as well as spread on sequentially arranged signal paths, in the direction of the gate section movement, whereby the signal paths during the course of the closing movement are chronologically sequentially interrupted and/or during the course of the opening movement are chronol

Abstract: A screen protecting assembly includes a pivot shaft, a curtain, two connecting bases and two rotating buttons. The curtain wraps around the pivot shaft. The connecting bases are connected to two opposite ends of the pivot shaft. Each rotating button has a first connecting portion and a second connecting portion. The first connecting portion engages the pivot shaft, and the second connecting portion is rotatably connected to the connecting base. When the rotating buttons are rotated in a first direction, the curtain unfolds to cover a screen of the electronic device. When the rotating buttons are rotated in a second direction counter the first direction, the curtain wraps around the pivot shaft again, so that the screen of the electronic device is exposed.

Abstract: The present application pertains to a system for adjusting the height of a covering, such as window or a wall covering formed of two or more covering segments that are axially aligned. The system includes a link that selectively transmits rotation between two adjacent coverage thereby allowing the two coverings to be controlled, e.g., raised or lowered, simultaneously. The link includes a clutch that allows one of the segments to be rotated with respect to the other so that the bottom end of one of the coverings can be adjusted and aligned horizontally independently of the other. Optionally, the clutch includes an internal member that provides a mechanical advantage while the one covering is adjusted.

Abstract: The invention discloses a privacy device applied in a display. The display includes a screen. The privacy device of the invention includes a privacy film and a driving member. The privacy film is used for covering the screen. The driving member is disposed around the screen and operatively connected to the privacy film for driving the privacy film to move relative to the screen; wherein, the driving member is capable of selectively driving the privacy device to completely cover the screen or completely reveal the screen.

Abstract: A method of controlling a motorized window treatment provides for continued operation of the motorized window treatment during an overload condition, a low-line condition, or an electrostatic discharge (ESD) event. The motorized window treatment is driven by an electronic drive unit having a motor, a motor drive circuit, a rotational position sensor, a controller, and a memory for storing the command. The controller stores the present position of the motorized window treatment in the memory each time the rotational position of the motor changes by a predetermined angle, such that a plurality of positions are stored in the memory. When the controller is reset due to an overload condition or ESD event, the controller recalls the desired position from the memory, determines the present position, and continues to drive the motor drive circuit in response to the command and the present position.

Abstract: A device for darkening a cabin window, with a drive shaft (11) for moving a first shading member (6), which is guided in two guide rails (3, 4), for to and fro movement, wherein the drive shaft (11) and the guide rails (3, 4) are combined in a common mounting unit.

Abstract: A connector for a blind control mechanism including a cylinder rotatable relative to two or more different shafts, drive means connected to the cylinder and being operable to rotate the cylinder in either a blind extending direction or a blind retracting direction; at least two biasing means connected to the cylinder, each biasing means being responsive to rotation of the cylinder in a blind extending direction to store energy and being responsive to rotation of the cylinder in a blind retracting direction to release the stored energy and thereby apply a turning force to the cylinder, the turning force acting in the blind retraction direction. The connector having a body for coupling an end portion of one of the biasing means to one of the shaft portions and for coupling respective end portions of two adjacent the shafts together.

Abstract: The invention relates to a flexible shutter device, designed for closing a bay or other opening which cooperates with drive means which permit a displacementfo the flexible shutter between an open position and a closed position. The device comprises a drum which may turn about the axis thereof and about which the flexible shutter is wound in the open position thereof, forming a roll comprising turns made up of successive layers attaching one to the other and from which the flexible shutter can be unwound and pushed into the closed position thereof. Slides mounted on a fixed support provide guidance along the bay for the unwound part of the flexible shutter. Pressure or restriction elements (33, 50, 66) avoid buckling of the lateral edges (2,3) in the supported part thereof, extending between a first end (30) of the slides (4,5), nearest the roll and the roll.

Abstract: The invention relate to a flexible shutter device, designed for closing a bay (6), cooperating with drive means which permit the movement of the flexible shutter (1) between an open position and a closed position. The device comprises a drum (8) which may turn about the horizontal axis (11) thereof and about which the shutter is wound in the open position forming a roll of turns of successive layers of the shutter attaching one to the other and from which the flexible shutter can be unrolled and pushed into the closed position thereof. Suspension means for the drum comprise a suspension axis (13) parallel to the axis of rotation of the drum about which the rotational axis of the drum can oscillate. Contact elements (16, 36) exert a driving force on the roll essentially radial with relation to the drum.

Abstract: A control apparatus for positioning and counterbalancing an amount of flexible blind material wound onto or unwound from a rotatable shaft of a windable covering such as a blind. The apparatus includes a main body and a variable torque device, at least partially fitted within the main body, having means of achieving a variable torque to prevent rotation of the shaft due to a variable weight of blind material hanging from the shaft in any position between a wound position and an unwound position of the blind material defining full travel of the windable covering.

Abstract: A pleated roller shade system allows a thin flexible shade fabric, such as, for example, silk, to be wrapped around a roller tube. The system comprises a pleating bar mounted parallel to the roller tube and having a fabric-receiving opening that defines, for example, a serpentine path. The shade fabric is received through the fabric-receiving opening and is folded by the pleating bar, such that the shade fabric is wrapped around the roller tube in folds as the roller tube rotates. The shade fabric is neatly wrapped around the roller tube (i.e., bunching of the shade fabric is avoided) and is stored out-of-sight when rolled up.

Abstract: A high-speed door assembly has a shaft or drum having a longitudinal axis which is configured so that the longitudinal axis is parallel with a wall to which the door assembly is mounted. A flexible door panel is attached to the shaft or drum so as to be capable of being wound and unwound about the drum for selectively permitting and prohibiting access through an opening in the wall to which the door assembly is mounted, the door panel being wound on the shaft or drum in an orientation such that the door panel defines at least one vertical plane when unwound from the shaft or drum, the vertical plane being spaced further from the wall to which the door assembly is mounted than the longitudinal axis of the shaft or drum.

Abstract: Barrier systems and associated methods, including vapor and/or fire barrier systems, are disclosed herein. One aspect of the invention is directed toward a barrier system that includes a barrier coupled to a spool. The barrier is positioned to be wound onto and off of the spool as the barrier moves between a deployed position and a retracted position by a drive assembly. The system further includes a control system coupled to the drive assembly and configured to command operation of the drive assembly. The system still further includes a sensor operably coupled to the control system and positioned to sense barrier position as the barrier moves between the deployed and the retracted positions.

Abstract: A window shade apparatus that is configured to function in an aircraft. In one aspect, the shade apparatus has a frame defining an opening. The frame can vary in size and shape, as it is configured to substantially conform to an interior portion of the fuselage of an aircraft. The opening defined by the frame is, in one aspect, sized to substantially overlay at least one of the windows of the aircraft. Therefore, the frame substantially envelops the window and the opening permits viewing therethrough. The shade apparatus also has a shade that is configured to at least partially cover the opening and a drive mechanism to extend or retract the shade.

Abstract: An air curtain doorway defining an opening between at least two zones, including an air curtain having an air supply duct and an air return duct joined by a connecting duct. A frame having spaced apart jambs connected at the top by a header is configured to fit substantially within the opening of the air curtain. At least two roll-up doors in communication with the frame are configured to selectively insulate the at least first and second zones. A method of controlling a plurality of roll-up doors of an air curtain doorway comprises the steps of monitoring the output of at least a first sensor and a second sensor to sense approach of the doorway, applying logic to the output of the sensors, and controlling at least one of the doors based upon the result of the applied logic. The method can also include closing the roll-up doors while the air curtain is blowing, or turning off the air curtain and closing the roll-up doors.

Abstract: An apparatus, system, and method for combining a retractable shade with a drapery rod include an outer rod and an inner rod rotatably supported on an interior of the outer rod. A motive mechanism is supported on an interior of the outer rod external to the inner rod for rotating the inner rod relative to the outer rod. A fabric is coupled to the inner rod. The outer rod has a slot through which the fabric extends and retracts. When the blind is in a retracted condition, the drapery rod conceals the blind. Thus, the drapery rod is a monolithic combination drapery rod. The motive mechanism may include a motor. The blind may be moved by operation of the motor through a wired or wireless connection. A drapery may be movably supported on the outer rod. In another embodiment, a separate decorative drapery rod conceals a motorized drapery rod within.

Abstract: A roller shade includes at least an upper rail, a lower rail, a shade assembly, an automatic winding assembly and an anchor seat. The automatic winding assembly and the anchor seat are installed on two sides of the upper rail. The automatic winding assembly has a first cap assembly and a first transmission unit hinged inside to perform transmission through an elastic element. The first transmission unit further has a stub shaft at another side to wedge in one side of an axle of the shade assembly. The anchor seat is wedged in another side of the axle of the shade assembly to form rotation. Through rotation of the automatic winding assembly, retraction and extension of the shade can be controlled to facilitate operation.

Abstract: A window shade system comprising a roller tube, a top casing, and a shade having a first end engaged with the roller tube and a second end engaged with the top casing such that the shade forms a bight between its ends that separates the shade into a front portion and a back portion. A rod is disposed in the bight. A lift mechanism, typically a motor, rotates the roller tube and moves the shade between a raised position where the bight is adjacent the top casing and a lowered position where the bight is distanced from the top casing. When the shade is in the lowered position, the front portion of the shade comprises a decorative fabric layer and the back portion comprises a sound attenuating layer, such as a polymer film with filler material or mass loaded vinyl. The window shade system typically comprises side casings that have channels for receiving the side edges of the shade.

Abstract: A heat resistant curtain has a vent typically extending up from a bottom edge. At the vent, flaps of the curtain on either side of the vent have marginal overlaps. To these are stitched elevated temperature resistant hook and loop fastening tapes. These normally keep the vent closed. The curtain is provided with a bottom bar drawn up to close the head box when the curtain is not deployed. When the curtain is deployed, the bottom bar rests on the floor.

Abstract: An operating device 10 for a window covering, comprising a telescopically extendable and retractable handle 12 and means for converting linear telescopic movement of the handle to rotational movement for moving the window covering. Preferably, the movement converting means includes a rack and pinion mechanism 22, 30 supported by a support member 14 of the operating device 10, one end of a rack 22 element of the rack and pinion mechanism being attached to a distal part of the telescopic handle 12, and a pinion gear 30 being provided on the support member 14 and drivable by the rack element 22.

Abstract: A drive device for moving a covering element for covering an opening in a motor vehicle, in particular a roller blind, a baggage space cover or a sunroof cover, is provided. The drive device comprising a drive, a guide means and a thrust element which is coupled to the drive, is guided in the guide means and is connectable to the covering element in order to move the covering element. The drive for driving the thrust element is coupled to the thrust element via a transmission means being subjected to tensile stress, wherein the transmission means extends at least in certain sections in the guide means.

Abstract: A winding wheel set for a curtain comprises a base and a roller, wherein the roller is rotatablely disposed on the base, in the base is formed an elongated slot for insertion of a string, thus making the string be wound on the roller comfortably, so as to prevent the former problem that the string is hard to be pulled because of the big bend. Additionally, on the roller are disposed two blocks for cooperating with the roller, so as to limit the string to be wound on the start position of the roller.

Abstract: A vehicle roller blind, in particular sunshield roller blind for motor vehicles is provided. The vehicle roller blind having a roller blind web which is connected to a thrust element, which is rigid in compression and/or bending-resistant, for tensioning the roller blind web, and having an adjusting device which actuates the thrust element, which is embodied in the manner of a single-strand cable window lifter and which is at least partially encapsulated together with the thrust element. The thrust element and the adjusting device are arranged in a housing which holds the thrust element and the adjusting device and which comprises a drive housing for the roller blind drive and a preferably tubular guide channel which holds the thrust element and the flexible traction means.

Abstract: A window curtain pulling device comprises a guide module, a pulling string wheel module, a rotary member module, a fixed casing, and a connecting component. A guide rod having a positioning ring passes through the rotary member module and latches the rotary member by a positioning ring. A pushing member coupled to the guide rod is latched with a fixed casing by a passing rod, such that an end of a pulling string at another side of a pulling string wheel module of the guide module is pulled to open a curtain, and another end of the pulling string is pulled once again. The rotary member includes a corresponding guide groove on one side and matches with a conical body of the pushing member, and the conical body is pushed by a slant of guide grooves of the coupling member pivotally coupled to the rotary member to rotate outward.

Abstract: The present invention relates to a shading device (1) of a light-permeable window, which comprises a canvas (10), which is movably mounted for displacement, and at least one transverse reinforcement (50), which is connected fixedly to the canvas (10). The invention is worthy of note in so far as each transverse reinforcement (50) has an inner receptacle (51) which, firstly, is open in the longitudinal direction via a gap (52), the width of which is smaller than that of the abovementioned inner receptacle (51), and, secondly, is suitable for accommodating a fold of the canvas (11), which fold is arranged in the transverse direction starting from the canvas (10) and is provided with a thickened part (12), the cross section of which is larger than the width of the abovementioned gap (12).

Abstract: A manual roller shade includes a clutch mechanism having a gear train transferring rotation of an input sprocket to rotation of an output member engaging a roller tube. The gear train includes a sun gear, planet gears supported by a carrier and engaging the sun gear, and a ring gear engaging the planet gears. According to one embodiment, the carrier does not rotate. The ratio between the diameters of the input sprocket and the roller tube is selected to offset mechanical advantage of the gear train to provide an effective gear train ratio of approximately 2:1. A drive chain guide system includes spaced guide wheels controlling where a drive chain is suspended from the manual shade. A roller shade mounting system includes a bracket receiving either an input assembly of the manual roller shade or a motor of a motorized roller shade to facilitate conversion.