Abstract: An installation unit for installation to a rail of a window curtain assembly includes an elongate rack and multiple slots are defined through the rack. Multiple sliding members are connected to the rack. The sliding members are installed to the rail of the window curtain assembly. By removing the rack from the sliding members, the sliding members are remained in the rail of the window curtain assembly. The installation of the sliding members to the rail is easy and quick.

Abstract: A cord-winding assembly of a window blind includes a first spool and a second spool. The first spool has a first axis extending in an axial direction. A plurality of first grooves is formed on an outer periphery of the first spool. The first grooves are parallel to each other. Each of the plurality of first grooves has a circumferential length different from other first grooves. The second spool has a second axis extending in the axial direction. The first and second axes are parallel to each other. A plurality of second grooves is formed on an outer periphery of the second spool. The second grooves are parallel to each other.

Abstract: An improved roman blind includes a shade and a plurality of horizontal support bars mounted along the shade. Each of the support bars has a guide dimensioned to receive a lifting ribbon. The blind includes a lift mechanism to raise and lower the lifting ribbon. An adjustable mounting element mounted to the second end of the lifting ribbon is also provided; the adjustable mounting element including first and second elongated members having opposite first and second ends. The opposite ends of the elongated members are configured to couple the elongated members together and clamp an end of the ribbon between the elongated members, a portion of the ribbon adjacent the second end being wrapped around the coupled elongated members. The adjustable mounting element further includes an elongated lock member which prevents the ribbon from unwrapping off the elongated members, the elongated lock member being mounted to a lowermost support bar.

Abstract: A hollow built-in blind includes two glass plates, an annular spacer cooperating with the glass plates to define a receiving space, and a blind disposed in the receiving space and including a lower rail, a plurality of slats, and two pull cords connected to the lower rail. A transmission unit includes a transmission shaft, a winding mechanism disposed on the shaft, and a belt pulley fixed to one end of the shaft. A drive unit is located at one lateral end of the blind and includes a guide wheel spaced apart from the belt pulley, an internal control device operable to move upward and downward in the receiving space, and a timing belt looped over the belt pulley and the guide wheel and having two opposite ends connected to the internal control device to form a closed loop.

Abstract: A coupling module of a covering includes an elongated main member, a coupling device, and an adjusting unit. The elongated main member has an axial direction and a radial direction, and has a stop wall at one end thereof. The coupling device is movably connected to the main member, and the adjusting unit is connected to the coupling device to move the coupling device between a first position and a second position, wherein the coupling device is moved in a direction parallel to the radial direction, and a distance between the coupling device and the stop wall when the coupling device is at the first position is shorter than that between coupling device and the stop wall when the coupling device is at the second position.

Abstract: A curtain assembly comprises a rotatable drive element wherein at least one helical guide structure is formed on, or into, the outer surface of the drive element. A drive attachment element having a structure that communicates with the helical guide structure to move the drive attachment element axially along the drive element when the drive element is rotated. Specific embodiments incorporate either a manual or motor-driven rotation assembly for rotating the drive element. Further specific embodiments involve a helical guide structure that comprises a helical groove and a structure that comprises a tooth that engages with the helical groove.

Abstract: The invention relates to a lifting door comprising a movable door leaf formed by slats pivotally connected to each other and building-mounted frames. On the latter lateral guides for the door leaf having a vertical section and a lintel section, as well as a frame seal, which in the closed condition of the lifting door closes a gap between the door leaf and a section of the frames facing the door opening. The vertical sections of the guides are mounted on the frames so as to be displaceable perpendicularly to the plane of the door leaf and fixed in the direction of movement of the door leaf. The invention further relates to a frame and a guide as well as a corresponding method.

Abstract: A motorized roller shade includes a shade tube, including an outer surface upon which a shade is attached, an inner surface defining an inner cavity and two end portions, a motor/controller unit, disposed within the shade tube inner cavity and mechanically coupled to the shade tube inner surface, including a support shaft configured to attach to a mounting bracket, and a DC motor having an output shaft coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to the mounting bracket. A wireless receiver is coupled to the motor/controller unit to receive wireless signals and an antenna is arranged on or in at least one of the two end portions.

Abstract: A motorizable tilt shade system includes a header system where the header system includes an integral header attachment connection. At least one cord spool is provided within the header system and is connected with at least one suspension cord. A shade is suspended from the at least one suspension cord and a tilt cord pulley is connected with the at least one cord spool. A tilt cord is connected with the tilt cord pulley and with the shade such that the tilt cord and tilt cord pulley cooperate to tilt the shade. A drive shaft receiver is connected with the tilt cord pulley such that movement of the drive shaft receiver moves the tilt cord pulley. A counterbalance assembly including a negative gradient spring is connected to the drive shaft thereby providing an approximately constant tension on the tilt cord pulley.

Abstract: A single control input is realized with the use of a combination slat angle adjustment and window covering opening lift set structure which may be operated by a single wand. A three segment relative control logic is realized which includes movement within in the middle segment that controls the angle of the slats, and movement to and beyond the position where the slats are maximally angled in one direction results in at least one of opening (raising) or closing (lowering) of the slat set by “winding up” a lift cord set which may operate on the interior or exterior of the slat set.

Abstract: The present invention relates to a self-contained protection device (1, 1a-1b) for provisionally blocking a passage (10) such as a corridor, a door, or a window, characterized in that it includes at least one longitudinally-extendable bar (2, 2a-2b), preferably a telescopic bar, the extension thereof being actuatable by an actuator (3), said bar being capable of being removably locked in an extended configuration between two wall surfaces (10a, 10b) defining said passage, referred to as locking surfaces, said extendable bar supporting one or preferably a plurality of blocking member(s) (4) to form a protection screen (5, 5a, 5b) blocking said passage, in which said blocking member(s) is or are preferably removably fixed.

Abstract: A pleated wall covering system includes a bracket for hanging and pleating wall fabric. The bracket includes a plurality of longitudinally extending planar mounting portions and a plurality of longitudinally spaced u-shaped pleating portions interspaced between the mounting portions. In an illustrative embodiment, a receiver includes opposing upper and lower slots configured to receive the mounting portions of the bracket.

Abstract: A roller shade includes a light shielding sheet which can be rolled up in a roll shape, a roller and an electric motor for openably moving the light shielding sheet, guide belts connected to respective lower surfaces of side end parts of the light shielding sheet in a sheet width direction, and a pair of guide parts each having a guide space which receives a corresponding one of the side end parts of the light shielding sheet in the sheet width direction and a corresponding one of the guide belts, for guiding the side end part and the guide belt. In the roller shade, the light shielding sheet is prevented from being creased when the light shielding sheet moves in the width direction while being rolled or unrolled, due to lack of a tension of the light shielding sheet in the width direction.

Abstract: A hinge assembly connecting adjacent panels of an accordion shutter includes a hinge member having a pair of curved arms and a pair of panel connection members each having a pivot shaft. The pivot shafts are received within the corresponding curved arms and retained for rotation therein with the tips of the curved arms received in arm receiving channels of the panel connection members. The adjacent panels may be oriented at an angle of less than 180° with respect to each other when both panel connection members are rotated to positions wherein the tips of curved arms are engaged by the closed ends of the arm receiving channels. The base of the hinge member also has a pair of shoulders, and the adjacent panels are oriented approximately parallel when the panel connection members are rotated to positions wherein the panel connection members are engaged by the shoulders.

Abstract: A blind for a building opening, and having; an upper blind roller, located in an upper region of the head rail, a lower blind attachment located in a lower region of the head rail, an upper blind stored on the upper blind roller, a lower blind stored on the lower blind attachment, upper and lower blind control mechanism to operate the blinds and the upper blind roller being located with an upper axis along an upper plane in the head rail and the lower blind attachment is located on a lower axis along a lower plane within the head rail, the axes being displaced vertically from one another, and in which the upper blind depends down beside a predetermined side of the lower blind attachment, and in which the lower blind depends down alongside said upper blind, so as to provide a head rail having a slim, aesthetically pleasing profile.

Abstract: A bracket system for window dressing includes two brackets configured to be attached to an architectural member, such as a window well, a wall or a ceiling and receive the ends of window dressings. The brackets have edges adapted to receive a fascia designed to hide the window dressing. Preferably, the fascia has a front wall designed to snap onto the brackets and is sized so that it extends above the brackets to provide a neater and cleaner look. The fascia may be L-shaped with a vertical and a horizontal member and the brackets may be configured so that the horizontal member attaches either to the top or to the bottom of the brackets.

Abstract: An apparatus for accumulating one or more lift cords used to lift an architectural opening covering comprises a base portion and a front portion having a diameter larger than a diameter of the base portion. The base portion has an opening configured to receive a rod that rotates in a first direction when the one or more lift cords are actuated to raise the architectural opening covering. The apparatus also comprises an outer surface having a plurality of grooves configured to receive at least one of the one or more lift cords when the one or more lift cords are actuated to raise the architectural opening covering and to allow the at least one of the one or more lift cords to accumulate on one or more of the plurality of grooves next to itself rather than on top of itself.

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, and a drive system. 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 the drive assembly. The system further includes a clutch configured to resist movement of the barrier system unless directed by the drive system, and to release the barrier to allow manual egress when power to the drive system fails. The system further includes a latch configured to retain the barrier in a retracted position and to prevent the barrier from deploying when power fails and the clutch releases.

Abstract: A sunlight-shielding device includes two one-way clutches characterized by a short overall length, compact size, simple structure, and fewer parts for a sunlight-shielding device in which two shielding materials suspended from a head box can be switched using a single-loop up/down operation cord. Each one-way clutch includes has an input disk, input plate, top plate, and output drum provided on a center pin in a rotatable manner such that when the input plate rotates in a specified direction due to the rotation from the input disk, an engagement part of the top plate projects along a guide groove and engages with an engagement projection strip of the output drum, to transmit the rotation from the input disk to the output drum.

Abstract: A retractable flexible screen is attached to a retractable barrier assembly fitted into a bottom edge portion of a window sash portion of a window unit. The retractable barrier assembly is provided with a weather seal and a moisture draining means. A weather strip is provided along a bottom edge of the screen. The screen is maintained in a retracted position within the retractable barrier assembly until it is desired to employ the screen. To deploy the screen, it is extracted from the retractable barrier assembly and a bottom edge is anchored against a sill portion of the window unit, thereby causing the screen to be automatically extended each time the sash is raised.