Abstract: A slatted blind is configured such that the slats close create a light blocking blind. The slats may be supported by a tilt cord that comprises a low stretch strand or a low stretch cord may be attached to the tilt cord. The slats may be connected to the supporting tilt cord such that when the slat is rotated to a closed position the slat is suspended from the rung. The rung may have an effective diameter of less than approximately 14 mil. Recesses may be formed in the slat for receiving the rung when the slat is in a closed position. A bottom rail may have a thickness approximately equal to the thickness of the slats. A protrusion may be formed on the back of the slats such that the rung pushes on the protrusion to force the slat against an adjacent slat when the blind is closed.

Abstract: A window covering comprises slats suspended from a tilt cord such that the tilt cord may rotate the slats between an open position and a closed position. An elastic seal is provided on the slats to contact adjacent slats when the slats are in the closed position. A mechanism such as a spring or a magnet applies a closing force to the slats in the closed position separate from the tilt cord where the closing force moves the slats toward one another. An elastic seal is provided on the slats to contact adjacent slats when the slats are in the closed position.

Abstract: A shutter-blind system for windows is provided. The system includes a plurality of rotatable parallel louvers. Each louver is rotatable about an axis offset from its center of gravity. The system further includes a resisting member coupled to a louver located at a lower end of the plurality of louvers, the center of gravity of the louvers with the offset axis pulling against the resisting member to maintain tension in the collapsible linkages. All of the louvers of the plurality of louvers are rotated in a substantially matched rotation in response to rotation of the lower louver. All of the louvers are held in position in response to the force of gravity on the offset louvers acting against the resisting member.

Abstract: A window covering comprises slats suspended from a tilt cord such that the tilt cord may rotate the slats between an open position and a closed position. An elastic seal is provided on the slats to contact adjacent slats when the slats are in the closed position. A mechanism such as a spring or a magnet applies a closing force to the slats in the closed position separate from the tilt cord where the closing force moves the slats toward one another. An elastic seal is provided on the slats to contact adjacent slats when the slats are in the closed position.

Abstract: Systems and methods for pivoting a blind slat by manipulating one or more tilt cords of a set of blind slats to achieve superior blind closure. More particularly, the present invention relates to a window covering having a blind slat that is rotated clockwise or counter-clockwise by rotating a driving mechanism that is positioned in a horizontal orientation. The present invention further relates to a window covering system that achieves tilting of blind slats without requiring the traditional tilting components of standard Venetian-type blinds.

Abstract: Various systems and methods for tilting a horizontal blind slat. More particularly, the present invention relates to a window covering having a lower profile head rail than is traditionally used in the industry for use with Venetian-type horizontal blind slats.

Abstract: A device for adjusting a slat of a window blind including a housing, in which a plurality of frames, a rod, a plurality of transmission members, and a plurality of turning members are provided. The rod is meshed with a first rack of each transmission member, and the turning members are respectively meshed with a second rack of each transmission member. The first rack has a plurality of teeth in a line, and the first and the last teeth are shorter than the rest teeth. Furthermore, the first and the last teeth are designed for ratchet, so that the teeth of the rod will slide on and over the first or the last teeth when the user is overturning the rod to protect the teeth of the first rack of the transmission member.

Abstract: The invention relates to a tensioned Venetian blind system comprising a head rail (2) and a bottom rail, between which ladder cords extend, wherein slats are accommodated. In the rails tension cords (4) extend for fastening to a surface. Furthermore in the head rail (2) a tilt rod (7) extends for tilting the slats. In the head rail a tilt mechanism is arranged for adjusting the orientation of the slats by rotating the tilt rod. The tilt mechanism comprises a housing (11) having a passage for the tilt rod. The housing is arranged for guiding the tension cords.

Abstract: A louver turning mechanism and a hollow glass door or window with a built-in magnetically controllable louver, comprising a turn traction member, a turn transmission member and a slat turning member which are connected in turn, wherein the turn transmission member comprises a slat turning wheel and a joint interlocking mechanism which are used in cooperation, the joint interlocking mechanism is, at one end thereof, eccentrically fixedly connected to the slat turning wheel to drive it to rotate, and, at the other end thereof, connected to the turn traction member through a connecting push rod; the slat turning wheel is coaxially fixedly connected to a horizontal rotation shaft of the slat turning member is provided.

Abstract: Provided is a blind including a light-shielding sheet 20 having an internal space 22; a connecting string 30 which is received in the internal space 22; and an adjusting string 40 which is connected so as to alternately enclose an outer surface of the connecting string 30. Therefore, the blind has improved functionality and usability.

Abstract: A polygonal drum for controlling blind slats is pivotally connected with a control bar in a blind tilt mechanism for adjusting the angle of the blind slats or controlling opening/closing the blind slats. The polygonal drum includes an elongated equilateral polygonal drum body having multiple plane sidewalls with equal area. The plane sidewalls form the periphery of the elongated equilateral polygonal drum body for winding/unwinding a ladder string by equal length. Accordingly, the blind slats can be easily stably operated and adjusted without obstacle. The polygonal drum further includes multiple reinforcement ribs perpendicularly extending from inner faces of the plane sidewalls to integrally connect with a control bar passage. The reinforcement ribs serve to increase the strength of the polygonal drum so as to overcome the problem of deformation of the conventional control drum.

Abstract: An operating wand has a handle, an upper rod connected by an intermediate rod having one end pivotably attached to the upper end of the handle and the opposite end pivotably attached to the lower end of the upper rod. A sleeve slides along the upper rod between a first position and a second position. When in the first position the sleeve covers a portion of the upper rod, the handle, and the intermediate rod, keeping the handle, intermediate rod and upper rod in a co-linear alignment. When the sleeve is in the second position, the handle and intermediate rod are fully exposed allowing the intermediate rod to be moved relative to the handle and the upper rod so that the intermediate rod is normal to the handle and normal to the upper rod. With the sleeve in the second position the wand can be operated like a crank.

Abstract: The invention relates to blinds, components of blinds and assembly of blinds, and particularly to the tilt mechanism of a Venetian blind. The tilt mechanism includes a slider element to which the cords of the cord ladder are attached. The slider element has a base portion fixedly mounted in an aperture of the head rail, and a sliding portion. The ladder cords are routed through holes in the base portion, through a void between the sliding portion and the base portion and out of the ends of the slider element. The ends of the ladder cords are secured proximate respective ends of the sliding portion. The void is divided into separate chambers and the holes of the base portion communicate each with a respective chamber. A further hole and chamber may be provided to accommodate a lift cord. Tangling of the cords is eliminated, and the compact arrangement allows a slim and attractive head rail to be used.

Abstract: A tilter system for a window blind permits the slats of the blind to be tilted open or closed in a number of different configurations, including a double pitch configuration, depending on the routing of tilt cables or actuator cords.

Abstract: The present invention relates to a controlling shaft, and more particularly to a controlling shaft for controlling blind, comprising a transverse shaft and a plurality of shaft controlling unit provided on the transverse shaft in turn. Due to the connecting relationship between the plurality of shaft controlling units and the transverse shaft, when the transverse shaft rotates, the plurality of shaft controlling units can synchronously rotate with the transverse shaft. Each shaft controlling unit of the plurality of shaft controlling units comprises a plurality of rotating members. When the shaft controlling unit rotates with the transverse shaft, the rotating members of each shaft controlling unit move in different pace. With the synchronous movement of the shaft controlling units with the transverse shaft, the particular points on the outer side of respective plurality of rotating members of any shaft controlling unit at the same level move to different extents.

Abstract: A light-control assembly including a modular beam with a plurality of adjacent circular bores separated by web portions, at least two bearing members each having an annular ring dimensioned to fit within the bores with non-interfering flanges extending radially outwardly from the rings mounted in the bores, and a series of light-controlling members mounted in the bearing members.

Abstract: A horizontally slatted blind for an opening, such as a window, has a plurality of slats suspended from points on their two ends. One such point is the rear corner, and the other is between the front and rear corners. The edges of the slats between the rear corners are provided with stiffeners, which makes the slats rigid and provides them with additional weight. The axes of rotation of the slats lies between the points of suspension, and the slats are balanced relative thereto because of the extra weight provided by the stiffeners.

Abstract: A ladder drum is mounted in a head rail of a Venetian blind for securing a ladder cord thereto, and includes a drum body installed on a tilt bar of the blind. An upper portion of the drum body is formed into an open-topped recess, which has two sidewalls interconnected by an end wall. A holder set is provided in the recess, such that a clearance is existed between the holder set and each of the sidewalls and a limiting space between the holder set and the end wall for receiving a securing element therein. The securing element is a rectangular frame has a rear end turnably received in the limiting space and a front end releasably engaged with a front side of the holder set to thereby firmly press two free ends of the ladder cord in the drum body against the two sidewalls of the recess.

Abstract: An improved Venetian blind type window covering having an open position and a closed position is provided. The window covering includes a plurality of panels suspended between a head rail and a bottom rail that provides a generally billowed appearance. A securement member and an adjustment member, in cooperation, are suitable for adjustably moving or tilting the plurality of blind panels to open and close the window covering. A tilting mechanism causes positional adjustment of the plurality of panels by raising and lowering at least the adjustment member.

Abstract: A window covering having a head rail and a plurality of rows suspended from the head rail by a securement cord member and at least one opening cord member is provided. Each of the plurality of rows is collapsible and includes a pair of opposed longitudinal regions. The distance between the opposed longitudinal regions is varied by moving the securement cord member, the opening cord member, or both. The rows are also tilted into an open or closed position by moving the securement cord member, the opening cord member, or both. A bottom rail may also be provided and suspended from the head rail such that the plurality of rows are located between the head rail and the bottom rail.

Abstract: A Venetian blind (1) with at least two vertically expanding ladder members (3). Each ladder member (3) comprises at least one vertical member (4), which by means of a plurality of vertically spaced ladder rungs (5, 11) is connected to at least one other vertical member (4). The Venetian blind further comprises a plurality of horizontally arranged cross slats (6) each being supported on each of the ladder members (3) by at least one of the ladder rungs (5) between the two vertical members (4). Each of the at least two ladder members (3) is carried in at least one of their ladder rungs (5, 11) by at least one carrier member.

Abstract: A window blinds includes a head box and a series of slats connected under the head box. An operating system is received in the head box. The operating system having a shaft rotatably and movably disposed in the head box. A first operating cord and a second operating cord respectively have a first end coiled on the shaft and a second end sequentially extending through the head box and the series of slats for adjusting a height of the slats. An adjusting device is mounted in the head box. The adjusting device includes a polygonal shaft disposed in the head box. Two adjusting cords respectively are connected to the polygonal shaft and have two opposite ends respectively sequentially connected to two opposite sides of each of the series of slats for adjusting an angle of each of the series of slats.

Abstract: An adjustable structure of a curtain for adjusting the angle of curtain blade comprises a winding tube disposed in an upper rail of a curtain, a pulling string for controlling the rise and fall of the curtain winds around the winding tube and is then passed through curtain blades. One end of the winding tube is disposed with a rubbing wheel for hanging the top end of a suspending string that is provided for insertion of the curtain blades. Thereby during the rise and fall of the curtain blades, the suspending string is pulled towards the rotating direction of the winding tube firstly, so that the angle of the curtain blades is adjusted.

Abstract: A blind and tilt mechanism therefore, adapted to be secured within a cut-out in a headrail, the tilt mechanism comprising a casing, adapted to accommodate a cog-wheel rotatable about a first axis. The casing comprising two counter-positioned tilter hook-receiving channels, each leading to the cog-wheel sized and shaped for receiving at least a portion of a rotatable tilter hook adapted to engage and rotate the cog-wheel. The tilter hook is designed for insertion into either one of the channels, thus being able to gain a left or right orientation.

Abstract: A light regulation structure for slats of shades includes an upper rail, a check pulley and a pair of anchor pulleys on each of two sides on the bottom of the upper rail to be wound by a first and a second light regulation rope, and a plurality of transverse slats located beneath the upper rail. Each of the slats has a blade type fastening element on the left side and right side. The fastening element has a thread hole to be threaded through by the first or second light regulation rope. The fastening element has a retaining ring. By pulling the first and second light regulation ropes, the slats can be tilted to regulate light projection.

Abstract: In a method of making a window covering material a plurality of slats preferably made of fabric or plastic film, are provided. Each slat has opposite longitudinal edges and each longitudinal edge has a pocket with at least one transverse slot. There is one rail for each transverse slot in any selected slat. Each rail has a loop extending from the rail which loop is sized to fit within a selected transverse slot in a slat pocket. The fabric slats and the rails are positioned so that there is one loop in each transverse slot. Then a rod is inserted into each pocket of the fabric slat so that for each pocket the rod passes through the loop in each transverse slot of that pocket. If desired, one may attach a light screening flap to one or both longitudinal edges of the slats.

Abstract: Blind slats for door/window Venetian blinds include a door/window frame made up of a plurality of side brackets wherein the left and right side brackets are provided with a plurality of retaining holes disposed at the corresponding inner sides thereon respectively for blind slats to be mounted thereby, and a linkage rod is attached at the same side of the blind slats thereon. Each of the blind slats is formed of a flexible embodiment with a locating member attached at both shorter lateral sides thereon respectively to be registered with the retaining hole of the of the left/right side brackets thereof so as to attach the blind slat onto the door/window frame thereby. Via the flexibility thereof, each blind slat is capable of being pushed at both lateral sides thereof till slightly bent into an arc shape, permitting the locating members thereof to detach from the retaining holes of the left/right side brackets according to the deformation of the blind slat thereof.

Abstract: A ladder drum for a venetian blind, a venetian blind assembly utilizing a ladder drum and a method of assembling a venetian blind. The ladder drum includes pairs of slots for securing ladder lace cords. Each pair of slots includes a first slot that retains but does not grip the cord and a second slot for gripping the cord.

Abstract: A covering for an architectural opening in the form of a Venetian blind includes a plurality of supporting ladders for horizontally disposed but vertically spaced slats with the ladders including vertically extending spaced guide cords and interconnecting rungs at vertically spaced locations along the guide cords. The rungs support associated slats in a horizontal orientation and the slats are connected to the rungs so that when the guide cords are shifted vertically relative to each other causing the rungs to tilt, the slats are positively moved between a horizontal disposition and a substantially vertical disposition in which a light blocking seal between the slats is established.

Abstract: A fabric blind assembly. The assembly includes a headrail, a bottom rail suspended below the headrail, fabric blind slats arranged in parallel between the headrail and the bottom rail. Each fabric blind slat includes two opposite long sides and two rigid rod members respectively mounted in the long sides. Each rod member includes coupling portions. Braided ladders are connected between the headrail and the bottom rail at two sides of the fabric blind slats. Each braided ladder includes retaining members spaced apart from one another at a predetermined distance and respectively fastened to the coupling potions of the rod members to keep the fabric blind slats positioned between the headrail and the bottom rail and spaced apart from one another at the predetermined distance.

Abstract: A balanced tilt mechanism for use in a covering for an architectural opening includes an actuator cord having a weighted tassel that cooperates with a tapered bobbin in a tiltable headrail in the covering. A constant tension spring counterbalances the weighted actuator cord so the headrail can be easily tilted between open and opposite closed positions.

Abstract: A mini-blind apparatus is disclosed having a first horizontal slat and a second slat disposed spaced and parallel relative to the first slat. The apparatus includes a first tab having a first and a second end, the first end of the first tab being secured to a rearward edge of the first slat, the first tab defining a first and a second cage. The first cage is disposed between the first and the second end of the first tab and a first control has a first bead secured thereto for entrapment thereof within the first cage. The second cage is disposed between the first cage and the second end of the first tab. A second control has a first protuberance secured thereto for entrapment thereof within the second cage. A second tab has a first and a second extremity, the first extremity of the second tab being secured to a rear edge of the second slat, the second tab defining a first and a second recess. The first recess is disposed between the first and the second extremity of the second tab.

Abstract: An improved Venetian blind type window covering having an open position and a closed position is provided. When in a closed position, the window covering presents a face that conceals a securement member and an adjustment member. The window covering also includes a bottom rail, and a plurality of slats between the head rail and the bottom rail. The securement member and the adjustment member, in cooperation, are suitable for adjustably moving or tilting the plurality of blind slats to open and close the window covering. A blind slat tilting mechanism causes positional adjustment of the plurality of blind slats by raising and lowering at least the adjusting member.

Abstract: A covering for an architectural opening in the form of a Venetian blind includes a plurality of supporting ladders for horizontally disposed but vertically spaced slats with the ladders including vertically extending spaced guide cords and interconnecting rungs at vertically spaced locations along the guide cords. The rungs support associated slats in a horizontal orientation and the slats are connected to the rungs so that when the guide cords are shifted vertically relative to each other causing the rungs to tilt, the slats are positively moved between a horizontal disposition and a substantially vertical disposition in which a light blocking seal between the slats is established.

Abstract: The overlapping blind apparatus comprises first and second ladder strings which are biased by a top pulley in either clockwise or counter-clockwise directions. Bridging strings are provided in spaced, parallel relation between the first and second ladder strings. A first slat and a second slat are joined at one end to form a hinged set of overlapping blinds. Multiple sets of overlapping blinds are sized to cover a window opening. Louver strings are attached at one end to the center of the first slats, and at the opposite end to the second ladder string. When the top pulley is rotated counter-clockwise, the first slats are biased open. When the blinds are fully extended, the first slats rest against the bottom of the next adjacent lower slat, providing an overlap, which effectively blocks light leakage through the slats. When the top pulley is rotated clockwise, the upper and lower slats tilt, yet remain in a substantially closed, parallel alignment.

Abstract: A mini blind apparatus is disclosed. The apparatus includes a first slat having a first and a second end and a front and a rear edge. A second slat is disposed spaced and parallel relative to the the first slat, the second slat having a first and a second extremity and a front and a rear side. A control mechanism is connected to the slats for controlling movement of the slats. The spaced disposition of the slats is selectively controlled by the control mechanism. The control mechanism includes a supporting polyester tape connected to the slats.

Abstract: A universal head rail assembly includes a front wall and a back wall, wherein the front wall includes a first contour formed on an outer face thereof and the back wall includes a second contour formed on an outer face thereof. A reversible rotator assembly includes a tilt control wand coupled to a gear box configured to selectively rotate a rotator element. The reversible rotator assembly and the tilt control wand are in a first position when the first contour of the front wall is displayed and the reversible rotator assembly and the tilt control wand are in a second position when the second contour of the back wall is displayed. The gear box includes a first universal socket coupled to a gear train positioned on an opposed side of the head rail from a second universal socket that is coupled to the gear train.

Abstract: A drum is driven by cord ends, which are wrapped onto the drum. The drum sits in a housing with slotted openings which are opposite each other and in a plane which is substantially tangent to the surface of the drum. The cord ends exit the housing through said slotted openings such that, even if both ends of the cord are pulled at the same time, the force is directed so that it does not cause, or minimizes, deflection of the drum.

Abstract: A horizontal window blind apparatus having at least a first and a second slat disposed parallel and spaced relative to each other is disclosed. The apparatus includes a first tab which is secured to the first slat, the first tab defining a first opening and a second opening disposed between the first opening and the first slat. A second tab is secured to the second slat, the second tab being aligned relative to the first tab. The second tab defines a third opening and a fourth opening disposed between the third opening and the second slat. A first elongate control extends through the first and the third openings and a first locking device is provided for selectively locking the first control relative to the first tab. A second locking device is provided for selectively locking the first control relative to the second tab. A second elongate control extends through the second and the fourth openings. A third locking device selectively locks the second control relative to the first tab.

Abstract: A structure of a blind adjustment is operated by a rail and a shaft, and comprises a leading screw, a sliding seat, two confining parts, two adjustors and a housing. The leading screw is sleeved onto the shaft and having its two ends insert through connecting ends of the housing, respectively. The sliding seat and the confining parts are both threaded sleeved onto the leading screw and accommodating in the housing. The sliding seat will be linked by rotation of the leading screw to move whereas the two confining parts are designed to rotate without moving, thus upon one post of the sliding seat reaches to a protuberance of one of the confining part, the rotation of the sliding seat is blocked which then confines movement of the adjustor to adjust the height or angle of the blind.

Abstract: A venetian blind cord tilter, mounted in a head rail, that interfaces and drives a tilt rod, with the tilter itself having a wheel gear (20) to which lines are wound for rotating the tilt rod and subsequently slats held within ladders for opening and closing the blind. The wheel gear has a split wheel (22) which separates the lines that open and close the slats and an integral worm gear (26) is mounted on a shaft (24) to drive a separate helical gear (44) in which the tilt rod is inserted. The gears have an elevated start gear ratio to achieve a fast action when rotating the slats in the blind. A housing (50) retains the shaft and helical gear rotatably in place and provides for mounting the tilter within, a head rail (28). A cradle (58) is snapped into place beneath the housing and has a beveled projection (64) which is inserted into a square or rectangular hole in the bottom of the head rail (28) for mounting.

Abstract: A horizontal window blind apparatus is disclosed for selectively controlling light transfer through a window. The apparatus includes a frame disposed within the window and a tab movably connected to and supported by the frame, the tab having a first and a second end. A slat has a front and a rear edge, the rear edge of the slat being connected to the first end of the tab such that the slat is cantilevered from the tab. A further tab is movably connected to and supported by the frame, the further tab having a first and a second extremity. Also, a further slat is disposed parallel relative to the slat, the further slat having a further front and a further rear edge. The further rear edge of the further slat is connected to the first extremity of the further tab such that the further slat is cantilevered from the further tab.

Abstract: A universal head rail assembly includes a front wall and a back wall, wherein the front wall includes a first contour formed on an outer face thereof and the back wall includes a second contour formed on an outer face thereof. A reversible rotator assembly includes a tilt control wand coupled to a gear box configured to selectively rotate a rotator element. The reversible rotator assembly and the tilt control wand are in a first position when the first contour of the front wall is displayed and the reversible rotator assembly and the tilt control wand are in a second position when the second contour of the back wall is displayed. The gear box includes a first universal socket coupled to a gear train positioned on an opposed side of the head rail from a second universal socket that is coupled to the gear train.

Abstract: The present invention relates to lamellae for light deflection and for scattering radiation, particularly sun radiation. The lamellae comprise two portions wherein the first portion is graded like stairs. It serves for scattering sun radiation. The second portion is oriented towards the interior space and is preferably convexly arched ascending towards the interior space. Sun radiation impinging onto the second portion is deflected to the ceiling of the interior space and into the space depth. The tread-board and the second lamella portion are disposed at an angle &OHgr; relative to each other.

Abstract: The present invention relates to an improved structure of a driving mechanism for a venetian blind, wherein the frame body is provided with fixing seats having being mounted with blind slat control element. The control element is driven by a control shaft and a pulling cord is connected to the blind slats. A suspension cord passes through individual blind slat and combines with the base slat at the bottom of the blind slat such that the suspension cord can pull the base slat to close or open the individual blind slat.