Class / Patent application number | Description | Number of patent applications / Date published |
160170000 |
Drum or roller wound strand
| 31 |
1601681P0 |
Power operating means
| 19 |
1601681V0 |
Vertical type
| 15 |
160173000 |
Units and subcombinations thereof
| 12 |
160172000 |
With side guides | 5 |
20100065227 | WINDOW BLIND APPARATUSES, SYSTEMS AND/OR METHODS - A window blind apparatus having a first magnetically active track, a second magnetically active track, a first rod, a second rod, a first magnet located at the first end of the first rod, and a second magnet located at the second end of the first rod, a third magnet located at the first end of the second rod, a fourth magnet located at the second end of the second rod, and a window covering material adapted to be disposed between the first rod and the second rod, wherein the apparatus is adapted to be used to wholly or partially cover the window over which it is mounted. | 03-18-2010 |
20110203744 | Venetian Blind - An adjustable Venetian blind includes head and bottom rail units and a slat unit. The head rail unit includes a first head rail having an engaging end, a second head rail connected telescopically to the engaging end, and a positioning member locking releasably the first head rail to the second head rail. The slat unit has a plurality of horizontal slats interconnected by first and second ladder cords. Each of the slats includes a first slat segment and a second slat segment having an end portion superposed on an end portion of the first slat segment. The bottom rail unit has a first bottom rail and a second bottom rail connected telescopically to the first bottom rail. | 08-25-2011 |
20140246156 | CORD MANAGEMENT FOR A WINDOW COVERING - The present invention relates to cord management systems for window coverings. More particularly, the present invention relates to various structures and features to lift and/or tilt Venetian-type horizontal blind slats. | 09-04-2014 |
20080236766 | WINDOW COVERING - In a window treatment having vertical blind elements individually suspended from associated hanger elements, each of the vertical blind elements being connected by a connecting panel, an improved hanger is disclosed. The improved hanger includes a hanger body and a bonding portion located near a lower portion of the hanger body. The bonding portion is configured to receive the vertical blind element. Also included is an aperture for hanging the window treatment, the aperture being located near an upper portion of the hanger body, the aperture being spaced at a position substantially at a center of gravity of the vertical blind element with the connecting panel. | 10-02-2008 |
20080251218 | Storable wind storm shutter system (for window and door openings on residential and commercial buildings) - Attachments to a building aperture frame alongside door or window openings. The attachments are comprised of two vertical channels, one horizontal channel, one vertical motion limiter bracket and multiple connector tubes (the number of which is dependent on the height of the opening which is being protected. The two vertical channels are of sufficient length to be at least two inches taller than the opening which is being protected. One vertical channel is mounted on each side of the channel to be protected. The horizontal channel is of such length that it will span the horizontal distance between the two mounted vertical channels. The vertical motion limiter bracket is mounted on the structure centered above the opening that is being protected. The connector tubes are used to connect horizontal wood slats, the other ends of which will rest in the vertical channels. The slats will be stacked one upon another. The bottom slat will rest in the horizontal channel. The top horizontal slat will be limited by the vertical motion limit bracket. The connector tubes will each connect to the tube below it for additional stability. No connector tubes need be used for narrow window openings. The assembled pieces together form a storm shutter system. Major elements of the system can be disassembled and easily stored until needed. Alternative installation utilizes H-channel in place of the connector tubes. | 10-16-2008 |
20100065227 | WINDOW BLIND APPARATUSES, SYSTEMS AND/OR METHODS - A window blind apparatus having a first magnetically active track, a second magnetically active track, a first rod, a second rod, a first magnet located at the first end of the first rod, and a second magnet located at the second end of the first rod, a third magnet located at the first end of the second rod, a fourth magnet located at the second end of the second rod, and a window covering material adapted to be disposed between the first rod and the second rod, wherein the apparatus is adapted to be used to wholly or partially cover the window over which it is mounted. | 03-18-2010 |
20110203744 | Venetian Blind - An adjustable Venetian blind includes head and bottom rail units and a slat unit. The head rail unit includes a first head rail having an engaging end, a second head rail connected telescopically to the engaging end, and a positioning member locking releasably the first head rail to the second head rail. The slat unit has a plurality of horizontal slats interconnected by first and second ladder cords. Each of the slats includes a first slat segment and a second slat segment having an end portion superposed on an end portion of the first slat segment. The bottom rail unit has a first bottom rail and a second bottom rail connected telescopically to the first bottom rail. | 08-25-2011 |
20140246156 | CORD MANAGEMENT FOR A WINDOW COVERING - The present invention relates to cord management systems for window coverings. More particularly, the present invention relates to various structures and features to lift and/or tilt Venetian-type horizontal blind slats. | 09-04-2014 |
20080236766 | WINDOW COVERING - In a window treatment having vertical blind elements individually suspended from associated hanger elements, each of the vertical blind elements being connected by a connecting panel, an improved hanger is disclosed. The improved hanger includes a hanger body and a bonding portion located near a lower portion of the hanger body. The bonding portion is configured to receive the vertical blind element. Also included is an aperture for hanging the window treatment, the aperture being located near an upper portion of the hanger body, the aperture being spaced at a position substantially at a center of gravity of the vertical blind element with the connecting panel. | 10-02-2008 |
20080251218 | Storable wind storm shutter system (for window and door openings on residential and commercial buildings) - Attachments to a building aperture frame alongside door or window openings. The attachments are comprised of two vertical channels, one horizontal channel, one vertical motion limiter bracket and multiple connector tubes (the number of which is dependent on the height of the opening which is being protected. The two vertical channels are of sufficient length to be at least two inches taller than the opening which is being protected. One vertical channel is mounted on each side of the channel to be protected. The horizontal channel is of such length that it will span the horizontal distance between the two mounted vertical channels. The vertical motion limiter bracket is mounted on the structure centered above the opening that is being protected. The connector tubes are used to connect horizontal wood slats, the other ends of which will rest in the vertical channels. The slats will be stacked one upon another. The bottom slat will rest in the horizontal channel. The top horizontal slat will be limited by the vertical motion limit bracket. The connector tubes will each connect to the tube below it for additional stability. No connector tubes need be used for narrow window openings. The assembled pieces together form a storm shutter system. Major elements of the system can be disassembled and easily stored until needed. Alternative installation utilizes H-channel in place of the connector tubes. | 10-16-2008 |
160169000 |
Accumulated at stationary end | 1 |
20150376940 | ADJUSTMENT DEVICE FOR ADJUSTING DISTANCE OF OBSERVATION SPACE OF WINDOW BLINDS - A window blinds includes a head box, a top bar, a bottom bar and a blind body connected between the top and bottom bars. A first fixed seat and a second fixed seat are respectively located in the head box, each of the first and second fixed seats is cooperated with a movable seat and a spring which is connected between the first/second fixed seat and the head box. Two first cords are wrapped between the first fixed seat and the movable seat corresponding thereto, and are connected to the top bar. Two second cords are wrapped between the second fixed seat and the movable seat corresponding thereto, and extend through the head box, the blind body and are connected to the bottom bar. A stop member is connected to the two first cords and located between the positioning post and the first knot to adjust the size of the observation space. | 12-31-2015 |
Entries |
Document | Title | Date |
20080202703 | Daylighting system comprising light re-direction elements in a Venetian blind - A daylighting system comprising one or more light redirecting elements and a horizontal slat Venetian blind. The light redirecting elements are inserted between the slats of the Venetian blind and are supported between the slats and the outer strings of the Venetian blind. Each light redirecting element is a thin strip of reflective material formed into an angle section. The upper arm of the angle section reflects sunlight upwards through the Venetian blind and deeply into the interior of the building. The side arm of the angle section reflects sunlight back out of the window. The reflecting surface of an upper arm of a light redirecting element is treated to reflect light diffusely into a narrow angular range. The reflecting surface of a side arm of a light redirecting element is treated to reflect light diffusely into a wide angular range. The daylighting system is installed in the window of a building to redirect sunlight on to the ceiling of the building to improve natural illumination in the building. | 08-28-2008 |
20080245488 | SHUTTER-TYPE COVERING FOR ARCHITECTURAL OPENINGS - A Venetian-style window blind ( | 10-09-2008 |
20080264575 | Window Blind System - A window blind system includes a top traverse supporter adapted for affixing to a top beam of a ceiling, and two shading arrangements downwardly extended from the top traverse supporter The first shading arrangement includes a base member, a plurality of slats, a first hanging system for spacedly and suspendedly supporting the slats and for controlling a tilt angle of each of the slats, and a first operating system for selectively lifting up the base member towards the top traverse supporter and unlifting the base member to drop downwardly away from the top traverse supporter. The second shading arrangement includes a second hanging system suspendedly support a predetermined set of the slats, so that by lifting up the second hanging system, the predetermined set of the slats are capable of being lifted for selectively allowing a light of desirable intensity passing through. | 10-30-2008 |
20080295977 | Control mechanism for slats of blinds - A control mechanism for a cordless blind includes a transmission unit, a scrolling unit and a tilt unit. The transmission unit has a transmission cable which is connected with a scrolling rod. The scrolling unit includes two scrolling cables which have respective one of two ends thereof wrapped to two ends of the rod, and the other end of each scrolling cables extends through the top rail, extends through parallel slats and is connected to a bottom rail. The tilt unit includes a tilt member with two tilt cables connected to two ends thereof the tilt member, the other end of the tilt cable extend through the top rail and are connected to the parallel slats. A tilt wand is used to rotate the tilt member to move the tilt cables moved upward and downward so as to tilt the slats. | 12-04-2008 |
20080314529 | VENETIAN BLIND FOR IRREGULARLY SHAPED WINDOW - A venetian blind for an irregularly shaped window, such as a palladian-style window with an arch shaped top, wherein the cord ladders supporting the blind slats are attached to pull-cords, suspended from attachment means fastened directly to the top of the window frame, and routed down through slat cord-slots to an operating mechanism in a base rail fastened to the bottom of the window frame. The blind slat lengths are trimmed to fit the window contour. | 12-25-2008 |
20090038762 | CORD FIXER FOR VENETIAN BLIND - A cord fixer for venetian blind includes a headrail, a bottomrail, a plurality of slats, and a plurality of lift cords extending from the headrail to the slats and terminating at bottomrail. At least one cord fixer applied for receipt of the lift cords and thusly, securing the lift cords within the corresponding bottomrail. The cord fixer has an upper surface facing to the slat and a bottom surface facing to the bottomrail, at least one fitting member being positioned on the bottom surface allowing the lift cords to wrap around. And a fitting groove is constructed at the end of the fitting member for receipt of the lift cords. Conveniently, one can flexibly adjust the position of the corresponding rails and lift cord length in accordance to the actual blind size by means of lift cords and fitting members. Without engaging a knot-making process during the blind assembly, the present invention has proven to further reduce overall cost of the manufacturing and assembling process of venetian blinds. | 02-12-2009 |
20090139666 | ADJUSTABLE BOTTOM RAIL FOR VENETIAN BLINDS AND USE OF ADJUSTMENT MEANS THEREFOR - Known bottom rails fulfil the requirements stiffness and adjustability at the time of installation, but a noted inequality in the load on the individual raising cord cannot be corrected without a complex dismantling of the bottom rail. According to the invention the bottom rail is suspended in clips ( | 06-04-2009 |
20090194240 | Operation wand assembly of curtains - A operation wand assembly of a curtain a curved connection member adapted to be connected to the lower rail of the curtain and having a top recess. A through hole is defined through the curved connection member and communicates with the top recess. An engaging member is received in the top recess and has a tubular portion engaged with the through hole of the curved connection member. The tubular portion includes an open bottom and two connection grooves are defined through a wall of the tubular portion. An operation wand has two radial rods extending from a top thereof and the top of the operation wand is removably inserted into the open bottom of the tubular portion. The two radial rods are engaged with the connection grooves. The operation wand can be hooked to a positioning member on a wall when not in use. | 08-06-2009 |
20090205788 | ACTIVE TENSION DEVICE FOR A WINDOW COVERING - A tension device that prevents a window covering from operating properly until the tension device is installed. The tension device incorporates a drive wheel, casing, anchoring arm and drive stud. The drive stud has two sections, one keyed and one cylindrical. Before the tension device is installed, the keyed section of the drive stud engages the drive wheel and the casing, thereby preventing them from rotating relative to each other. When the tension device is installed, the drive stud must be inserted into the anchoring arm causing the keyed section of the drive stud to disengage the drive wheel and thereby allow the drive wheel to rotate relative to the casing. | 08-20-2009 |
20090294077 | Easy access hanging structure for window origami panels - A curtain or other panel comprising a sheet of material having a plurality of fastener elements spaced along and adjacent the sheet perimeter to be attached to mating fastener elements respectively on a structural member for hanging one edge portion of the sheet from the structural member. The plurality of sheet fastener elements are positioned along and adjacent the sheet perimeter in a quantity and spacing over the entirety of the sheet perimeter to be attached to respective ones of the structural member fastener elements for hanging other edge portions of the sheet from the structural member so that the panel can be hung from the structural member in a variety of alternative origami-like patterns. | 12-03-2009 |
20100065226 | SELECTIVE TILTING FOR BLINDS - VARIABLE RADIUS WRAP DOUBLE PITCH - 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. | 03-18-2010 |
20100126675 | RETRACTABLE SHADE FOR COVERINGS FOR ARCHITECTURAL OPENINGS - A retractable cellular shade is illustrated in various embodiments to consist of a support structure that could assume numerous forms including cellular material, flexible sheets of material, tapes or ribbons, or flexible monofilaments or similar cords of natural or synthetic fibers with the support structure supporting a plurality of vanes or slats in various configurations and orientations. The movement of the vanes or slats is totally dependent upon movement of the support structure. The fabric so formed can be incorporated into a covering for architectural openings with the covering including a headrail with means for gathering the fabric material within the headrail. | 05-27-2010 |
20100206491 | VENETIAN BLIND WITH A THIN PROFILE LATTICED STRIP - The present invention provides a venetian blind with a thin profile latticed strip. The blind includes a bracket, several thin blades arranged under the bracket with threading holes, a blade regulator, and at least two narrow shaped and thin profile latticed strips extending from the bottom of the bracket. The strips each include a front and a rear strip body as well as a blade span connected transversely between front and rear strip bodies. The front and rear strip bodies are positioned correspondingly to the threading hole of the thin blade. When the thin blade is adjusted to a vertical light-shading angle, the threading hole of the thin blade can be fully blocked by the front and rear strip bodies. Due to the thin-profile structure of the latticed strip, when the thin blades are superimposed, a compact spacing among the thin blades can be kept. | 08-19-2010 |
20100212843 | COVERING FOR AN ARCHITECTURAL OPENING - The present invention relates to end stops for use in retractable coverings for architectural openings where the end stops have impact-absorbing means which are bi-directionally cushioning. The end stop will remain at a dedicated position even after being impacted. | 08-26-2010 |
20100243178 | Universal Polygonal Tilt Drum For Venetian Blinds - A ladder drum for adjusting and regulating the angular orientation and closure of horizontal slats of a venetian blind, of the type incorporating ladder cords or tape ladders, having a polygonal profiled structure comprising a series of planar sidewalls defining a substantially hollow interior. The number of sidewalls defining the polygonal structure is greater than four sidewalls, and less than or equal to twelve sidewalls, with each adjacent plane sidewall having an internal angular orientation in the range of 90° to 150°. To enhance the uniform closure of the slats of a horizontal blind, the polygonal ladder drum is more preferably in the form of an uneven hexagon that is formed from injection molded plastics. The opposing top and bottom sidewalls are greater in dimension than the mediate sidewalls, and have attachment means to insert various widths of ladder tape. The mediate sidewalls have at least two opposing access slots to insert and retain ladder cords in a counter balanced relation. | 09-30-2010 |
20100263805 | SLATS CONTROL SYSTEM FOR BLINDS - A slats control system for blinds includes a first control rope and a second control rope. Two respective first ends of the two control ropes are fixed to the control members corresponding thereto and the axis of the control member is located between the first control rope and the second control rope. Multiple odd-numbered slats and even-numbered slats are connected to the head box. Multiple connection ropes extend through the slats and are connected between the head box and a bottom bar. A first/second driving rope is transversely connected to an underside of the odd-numbered slat/even-numbered slat. The first/second control ropes are connected to the first/second driving ropes on each slat. When the control members are rotated by rotating a shaft, the first/second control rope and the second/first control rope are lifted and the lowered simultaneously. The odd-numbered slats and the even-numbered slats are rotated in opposite directions simultaneously. | 10-21-2010 |
20110017408 | Venetian Blinds With Magnetic Controller For Regulation - Magnetically actuated Venetian blinds may be positioned within a sealed double pane window. The blinds can be rotated or tilted, and lifted and lowered, by external battens. The blinds hang on a freely rotating bearing hollow pipe. Magnets on the bearing hollow pipe are magnetically engaged by magnets on an external regulating top batten. Gliding magnets along the batten engage magnets at the edges of the freely rotating bearing hollow pipe to rotate the slats through 180° of movement. One or both of the external regulating battens may be used to move the Venetian blind up or down by engagement of the batten magnets with the bottom section magnets. The Venetian blind may be positioned to shade any part of the window. | 01-27-2011 |
20110083816 | Safety blind assembly - A safety blind assembly has a rail, a shade, medium slats, a bottom slat, cords and a safety device. The shade is attached to a bottom edge of the rail. The medium slats and the bottom slat are separately mounted on the shade. The safety device has releasable rings and detachable connectors. The releasable rings are mounted on the medium slats and the detachable connectors are mounted on the bottom slat. The cords are mounted in the rail, pass through the releasable rings and are connected to the detachable connectors. When someone is wrapped with the cord and the cord is pulled outward from the shade, and the cord can be released from the releasable ring to loosen the cord to provide the first safety measure. If a pulling force of the cord exceeds a predetermined detach force, the detachable connectors detach to provide the second safety measure to avoid injury. | 04-14-2011 |
20110100564 | Adjustment apparatus for venetian blinds - An improvement to venetian blinds having a string ladder assembly for controlling the attitude of a first set of louvers. The improvement to the venetian blinds consisting of a means for selecting a subset of the first set of louvers wherein the means for selecting the subset comprises a second string ladder assembly which controls the attitude of the selected subset of louvers and additionally including means for selectively adjusting the attitude of the subset of louvers. | 05-05-2011 |
20110168338 | ACTIVE TENSION DEVICE FOR A WINDOW COVERING - A tension device that prevents a window covering from operating properly until the tension device is installed. The tension device incorporates a drive wheel, casing, anchoring arm and drive stud. The drive stud has two sections, one keyed and one cylindrical. Before the tension device is installed, the keyed section of the drive stud engages the drive wheel and the casing, thereby preventing them from rotating relative to each other. When the tension device is installed, the drive stud must be inserted into the anchoring arm causing the keyed section of the drive stud to disengage the drive wheel and thereby allow the drive wheel to rotate relative to the casing. | 07-14-2011 |
20110180220 | SHUTTER LATTICE - A lattice with lifting ring has a front strip and a rear strip arranged at interval, which are extended to define a top and a bottom. Multiple blade sustaining portions are linked between the front and rear strips at interval. A connecting and positioning portion is integrally formed on top of the front and rear strips. The connecting and positioning portion of a straight pattern eliminates the problem of cutting off several blade sustaining portions. A pair of lifting rings are integrally formed on the end of said connecting and positioning portion at top of the front and rear strips. A threading portion is formed on said lifting ring for positioning onto a preset retaining location of the existing shutter's rotary braking seat. When the lattice is assembled onto the rotary braking seat, the lifting rings can be used for sleeving onto the retaining location of the rotary braking seat. | 07-28-2011 |
20110214823 | Window Blind with Blind Controlling Arrangement - The window blind includes a plurality of blind elements spacedly supported between upper and lower supports and configured to have a plurality of stationary blinds and a plurality of adjustable blinds alternating with the stationary blinds, and a blind controlling arrangement including a first controlling cord set, a second controlling cord set, and a plurality of control members selectively coupling with the first controlling cord to retain the adjustable blinds in position in responsive to the first controlling cord. When the first controlling cord is pulled, only the adjustable blinds are upwardly lifted to adjust a relative distance between the stationary blind and adjustable blind, so as to adjust a light permitting range therebetween. | 09-08-2011 |
20120037322 | WINDOW BLIND CONTROL - Disclosed is a blind slat control device that includes a first blind string passageway and a second blind string passageway oppositely disposed from the first blind string passageway. The blind string passageways are operable for a blind string to fit at least partially within and pass therethrough. Both the first and second blind string passageways have an entry end and an exit end. The entry ends of the blind string passageways are spaced apart by a first distance that is greater than a second distance between the exit ends. With the blind slat control device inserted between two adjacent slats in a window blind, slats within one section of the window blind can be in a generally open position while slats in a different section of the window blind can be in a generally closed position. | 02-16-2012 |
20120097343 | VENETIAN BLIND SYSTEM - A blind system has a horizontally positioned tilt rail having a longitudinal axis and a plurality of slats suspended from the tilt rail via at least one connecting member. The tilt rail includes a reinforcing member and a tensioning member. The blind system also has a divided slat that is divided lengthwise into a first sub-slat and a second sub-slat and has a longitudinal axis with each of the first and second sub-slats configured to be movable with respect to each other so that when each of the plurality of slats are in an angular position with respect to the corresponding slat longitudinal axis that restricts at least a portion of light passing between the slats, either the first sub-slat or the second sub-slat has an angular position with respect to the divided slat longitudinal axis that is substantially the same as the angular position of each slat depending on a direction of rotation of the plurality of slats. | 04-26-2012 |
20120234506 | LIGHT BLOCKING SLATTED BLIND - 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. | 09-20-2012 |
20130240158 | BLIND STRUCTURE - A blind structure is formed by adhering plural soft materials and is expanded and collected vertically by using a cord. Each soft material is in a loop shape and the blind structure is formed by interconnecting two neighboring soft materials with an adhesive agent. Plural through-holes are provided between the two neighboring soft materials, allowing the cord to be transfixed into these through-holes. Accordingly, the vertical expansion and collection of the blind is controlled by the cord and the loop-shaped soft material can achieve a double-layered blind effect when being expanded. Moreover, the cord can be contained completely in the soft material to be hidden completely, thereby providing a blind that is provided with a better light shading effect and can be used more safely. | 09-19-2013 |
20130255891 | Window Blind without Using a Lift Cord - A window blind includes a retractable shading unit, a headrail connected with an upper end of the shading unit, a bottom rail connected with a lower end of the shading unit, at least one connecting cord extended through the shading unit and having a first end secured on the headrail and a second end secured on the bottom rail, a plurality of limit members mounted in the bottom rail, and a control unit mounted on the bottom rail. The second end of the connecting cord is provided with an elastic section having a length that is changed elastically to correspond to an expansion length of the shading unit. Thus, the elastic section of the connecting cord is extended or loosened when the shading unit is expanded or retracted to prevent from producing noise during movement of the shading unit. | 10-03-2013 |
20130306253 | Venetian Blind and Operating Device Thereof - A venetian blind operating device comprises a wand having a center hole and a slide slot. The slide slot runs through the wand in an axial direction and intersects the center hole. In addition, the operating device comprises a blind cord locking assembly locked in the center hole of the wand and coupled to a blind cord of a venetian blind. Further, the operating device comprises a control key surroundingly provided at a periphery of the wand, and a press key provided on the control key for disengaging the blind cord locking assembly from a locked state. The blind cord is hidden by being contained in the center hole of the wand. The press key, the control key and the blind cord locking assembly are cooperated to withdraw or draw the venetian blind. | 11-21-2013 |
20150075728 | HORIZONTAL BLIND AND METHOD FOR MANUFACTURING HORIZONTAL BLIND - A weft of each rung of a ladder cord is formed of two weft threads, an intersecting portion is formed in the weft threads, a slat is inserted between the intersecting portion and one of warp threads of the ladder cord, and a lifting and lowering cord is inserted between the weft threads at a location between the intersecting portion and another of the warp threads. | 03-19-2015 |
20150114576 | VENETIAN BLIND COMPRISING PAIRWISE INTERCONNECTED SLATS - A venetian blind comprises a plurality of pairs | 04-30-2015 |
20150136335 | WINDOW COVERING - A window covering includes a headrail, a bottom rail, a shading member, two pulley assemblies, and a cord. The shading member is between the headrail and the bottom rail. The pulley assemblies are received in the headrail, each of which has a frame and a pulley. The frame has an opening, and the pulley is connected to the frame. The cord is a woven Y-shaped cord, having a single control section and two lift sections. The cord runs over the pulleys of the pulley assemblies, the single control section extends out of the headrail to be operated by a user, and the lift sections extend out of the frames via the openings respectively to connect to the bottom rail through the shading member. | 05-21-2015 |
20150361716 | CORDLESS CURTAIN ASEMBLY - A cordless curtain assembly includes a head box, a control unit, a fixed part, a movable part, a spring, an operation cord and a bottom bar. The curtain body is connected between the head box and the bottom bar. The fixed part is fixed to the head box and the movable part is located between the fixed part and the spring which is connected between the movable part and a fixed member of the head box. The user pulls or pushes the bottom bar move the movable part and the spring so as to operate the operation cord to control the position of the curtain body. | 12-17-2015 |
20160153229 | Sequential control roller system for variable a pitch shutter | 06-02-2016 |
20180023339 | CORDLESS WINDOW COVERING | 01-25-2018 |