Matches 1 - 50 out of 82 1 2 >


Match Document Document Title
8182381 Drive arrangement  
A wheel turns about a fixed shaft to reel in or pay out an aperture closure member. A motor provides drive to the wheel through a belt. The motor is mounted on a slider plate which can slide...
8156993 Roll screen control member  
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...
8151859 Roller blind mounting system and parts therefor  
A roller blind mounting system including at least one roller, at least one telescopic end plug and at least two brackets. The telescopic end plug is engageable within an end-opening of one of said...
8146646 System and method for controlling multiple window coverings using a single manually manipulated control  
A window covering system used to adjust the position of window covers. Each cover hangs from a support that includes a roller. The covers are adjusted in position by the rotation of the roller. A...
8136569 Operating and mounting system for a window covering  
An operating unit (5) for operating a window covering. The operating unit (5) includes a housing (11), a rotatable drive pulley (13) having an axis of rotation and first and second mounting...
8025088 Dual roll blind system  
A dual roll blind system is able to adjust a light shading rate or extent and comprises a winding roll which includes a roll casing rotatably supported between both side plates of a ceiling...
7931069 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....
7900680 Head rail assembly  
A head rail or head rail assembly for an architectural closure, the head rail including an elongate front wall having left hand and right hand longitudinal ends and an elongate bottom wall having...
7810544 Door system  
A door system has an axis, a door attached at a first end to the axis for winding and unwinding upon the axis, and a tensioned member surrounding and partially engaging an outer layer of the door...
7677293 Centre-pin plug  
The invention relates to a plug for releasable engagement with the centre-pin of a roller blind control unit wherein engagement of the plug with the pin ensures that a tip of the center-pin engages...
7549458 Automatic movement ascent device gear of roll screen  
An automatic winding device of a roll screen is disclosed. A screen is automatically rolled up when a user pulls a ball chain down and the screen is automatically stopped when the user just...
7523777 Roman shade  
A roman shade comprises an operation box section for rotating a rotation gear as a driving ball chain (25) is pulled down; a rotation shaft (40) fitted into the rotation gear; a frame surrounding...
7497242 Window curtain pulling device  
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...
7451799 Self-locking device for blinds and shutters  
Which has the following essential elements: A drive shaft (1) joined to the rolling drum (23) of a blind (21), joined by means of a first freewheel mechanism (2) with a drive cylinder (4) which has...
7387150 Shade roller capable of bearing heavy load  
A shade roller has a seat, a loop hooked onto the seat, a side cover, a planet wheel engaged with the loop, a chain-retaining wheel secured in the side cover, a driving wheel engaged with the...
7353857 Chain stopper  
A ball chain stopper for inhibiting movement of ball chains used in window blinds and the like for moving the blinds between operative positions is adapted to be attached to intermediate chain...
7337825 System to open and close drapes  
An electric motor moves drapes on a carrier by a cord wound on a sheave attached to a shaft thereof. The motor is attached to a housing along with a second shaft. The second shaft has an arm on an...
7195052 Cord-driven rotator for driving roller of window blind  
A rotator, which is driven by an endless cord member to rotate, is used in a window blind for driving a roller of the window blind. The rotator includes a base having a shaft, a first clamping...
7137429 Modular framed covering for architectural openings  
A modular covering for architectural openings includes a peripheral frame that supports a plurality of rotatable elements that might support strips or sheets of flexible material or rigid slats....
7100668 Control units  
A control unit for use in a window blind head rail assembly includes a sprocket wheel, a chain guard housing, a sprocket support and wrap spring, a splined bush for engagement with a roller blind...
6983784 Control system for a vertical vane covering for architectural openings  
A control system for a vertical vane covering for an architectural opening includes a new and improved symmetric headrail having uniquely designed carriers for suspending individual vanes wherein...
6981539 Hardware and clutch mechanism for window treatment  
A window treatment support, such as a support for a cellular shade and other kinds of shades, includes a head rail, a clutch mounted on the head rail to support and operate a window treatment; and...
6971435 Raising and lowering mechanism, in particular for roller blinds  
The operation of a roller blind occurs via a ball cord and a pulley. The ball cord may be wound several turns around the pulley, in that oblong axial tracks have been provided in the pulley....
6955208 Sunshade operating rope with an operating directional indicator  
This device is related to an operating rope wound on a sprocket of clutch for operating a sunshade. When a user pulls the operating rope to either opening or closing direction, a shaft being...
6935401 Universal brackets for roller shade  
Generally speaking, in accordance with the invention, an improved window treatment system is provided. The system includes a head rail, a spring clutch disposed at one end of the head rail and an...
6843302 Shade operator  
An operator for a window or like shade serves to turn a shade roller to a new desired position as a result of a torque applied from a manually operable source, such as a chain operated wheel. The...
6792999 Tab release cord tension device  
A tensioning device for the cord loop of a window treatment apparatus includes a cord guide disposed in a housing, a biasing element such as a spring and a locking member that locks the cord guide...
6782938 Control and suspension system for a covering for architectural openings  
A control and suspension system for a retractable covering mounted on a rotating element includes an apparatus for mechanically limiting over-extensions of the covering and an apparatus for...
6749000 Safety device for cord-operated control system  
A cord-operated control system for a venetian blind, in which a housing, attached to the head rail, holds a first drive wheel that is operatively connected to a driven bind member that rotates in...
6739373 Lift control device for a roller shade  
A lift control device for a roller shade has a side cover, a roller, a chain retaining wheel, a chain and a follower spool. The side cover has an axle and multiple inner teeth. The roller is...
6540004 Fixing seat structure of rolling curtain  
Fixing seat structure of rolling curtain including a left fixing seat, a reel, a fabric curtain, a rotary unit, an engaging pivot member and a right fixing seat. The inner side of the left fixing...
6505668 Roller curtain with back rolling force  
Roller curtain with back rolling force, including: two end members; a locating mechanism connected with a first end member; a hollow reel positioned between the two end members with one end fitted...
6250359 Beaded chain for blinds  
A differentiated beaded chain is provided as an aid for rotating blind slats in a desired rotational direction. The differentiation is realized utilizing beads of differing sizes or textures along...
6164428 Wrap spring shade operator  
A shade positioning system which employs a wrap spring clutch system includes a shade operator, a shade roller, and an idle end bracket for supporting the shade roller when mounted. The shade...
6116325 Break away operating cord system for retractable coverings for architectural openings  
A break away operating cord system for retractable coverings for architectural openings such as windows, doors, arches or the like includes a mounting plate to which an operating cord is attached...
6085824 Control cord end security device  
A control cord end security device includes a base plate for mounting on a wall surface. A guide member is disposed on the base plate for slidably retaining an end loop of a cord of a window...
6048285 Bearing structure for vertical blinds and rollers shades  
An improved bearing mechanism works in conjunction with the control rod of a vertical blind system or a roller shade system to provide superior bearing and load handling capability. A conical bore...
6032716 Bottom stop mechanism for a window covering  
An inventive bottom stop mechanism uses one of the lift cords to operate. While the cord is unwinding from the shaft, the cord leaves the shaft along a line tangent to the shaft. As the last turn...
6029735 Clutch mechanism for manual roller door operation  
A clutch mechanism adapted to facilitate disengageable manual operation of a roller door or shutter comprising a chain pulley wheel journalled for rotation about the axis of a first shaft...
5975186 Roller blinds mountings  
The blind comprises a sheet wound on a tube which is supported at one end by a drive assembly and at the opposite end by an idle end mounting. The drive assembly is operated by a ball cord which is...
5927370 Release brake shade operator  
A release brake shade operator for a window covering has a stationary member, a movable member movable relative to the stationary member, and a hub which is movable relative to the stationary...
5899254 Garage screen  
A garage screen is provided including a screen assembly having a cylinder rotatably coupled adjacent to a top edge of a sliding garage door with a spool mounted thereon. A rope is included having a...
5845696 Chain and cord safety device for adjustable blinds  
A blind cord safety device for use in controlling an adjustable blind having a looped control cord and a looped control chain by enclosing the loops has housing within which are disposed a...
5803148 Operating device for a screening arrangement  
The operating device has an input shaft (20) which by one end is connected with a driving arrangement with a rotatable wheel (17) for receiving an endless cord (8), and which by the other end is...
5791393 Shade operator  
An operator for a window covering has a stationary member and a hub which is moveable relative to the stationary member when not restrained. Preferably these members are a tube or solid cylinder...
5718277 Roller blind  
The roller blind (100) detachably fastened to a winding axis (50) can be rolled up on to and unrolled from the winding axis with the aid of pull cords, in which case the pull cords (20, 120, 220)...
5669432 Automatic-locking mechanical drive construction  
An automatic-locking mechanical drive construction for raising and lowering a window covering, including a fixed cylindrical shaft, a rotary drive member mounted to rotate about an axis with...
5611386 Electric window blind  
An electric window blind comprises a driving member capable of being actuated by an action rod to cause the rotary wheels to engage the transmission wheels at the time when the power outage takes...
5542464 Roller blind with screen rolled up by a spring and rolled down by hand  
A clutch-brake type roll blind is provided with a wind-up spring for rolling up a screen on a tube and a weight bar free from a pulling string, being suitable for use with a tall window extending...
5507374 Clutch controlled roller shade mechanism with integral overrunning ratchet  
A bi-directional sprang clutch further including a ratchet and pawl so as to permit substantial torque to be transmitted to the shade roller only in one direction. In the other direction, the...
Matches 1 - 50 out of 82 1 2 >