Abstract: The invention concerns a powered rolling shutter whereof the stator of the motor is connected to a fixed support via elastic means (R1, R2) for stopping the shutter in high and low abutment when the resisting torque exceeds a selected value, consisting of two springs (R1, R2) compressed by the stator rotation. The travel distance (12) before one of the springs (R2) is compressed is greater than the travel distance (11) before the other spring (R1) is compressed. The compression is ensured by a mobile element (12) also actuating a switch (18). The travels (c1, c2) required for actuating the switch can be inverted. The motor can be mounted on the left or on the right with a differentiated resisting torque for stopping in high abutment and low abutment.

Abstract: A motorized shade control system is described in which electrostatic charges, generated by a shade fabric being reeled on to and off of a roller are conducted to and grounded by the shaft of a remote drive motor. The drive motor is ultraquiet, and includes a worm gear drive and single-stage reduction gear assembly which delivers about 0.010 to 0.005 horsepower, with motor output shaft rotational velocity limited to no more than about 30RPM. The motor is mounted within a two-part housing and is clamped between elastomeric acoustic dampers connected between pedestals extending from opposite interior wall surfaces to opposite sides of the motor. An H-bridge drive circuit powers the motor under the control of a microprocessor which can be addressed by an infrared remote transmitter or by a wall mount control. Soft start and soft stop circuits are employed to further reduce noise.

Abstract: The invention relates to a stove for cooking food with a viewing window, and a viewing window for household appliances, such as cooking stoves or ovens, which window can be mounted in a wall of the housing of the stove for cooking food or the household appliance such as a cooking stove or oven, and which window is comprised of at least two transparent panes arranged at a distance from one another, whereby between the two transparent panes there is contemplated a screen, or blind, which covers, or closes, the viewing area, and which screen is adjustable from the exterior of the appliance.

Abstract: A door operator unit for opening and closing an upward acting or horizontally moveable door includes a drive motor connected to a speed reduction differential planetary gear drive mechanism having a drive unit output shaft for connection to further door drive mechanism. An electromagnetic brake is interposed the motor output shaft and the planetary gear drive mechanism and is releasable when energized to allow rotation of the motor output shaft and the drive unit output shaft. A first ring gear of the planetary gear drive mechanism is normally held stationary by a release block and is operable in response to disengagement of the release block to permit rotation of the drive unit output shaft when the brake in engaged to allow manual opening and closing of the door by way of an auxiliary or manual drive shaft connected through a gear train to the ring gear.

Abstract: An automobile rear window shade 9 having a windup roller (15) rotatably seated in a housing (13) in the automobile. The windup roller (15) is pre-stressed in the wind-up direction of the window shade web (17) by a spring (16). Two pivot levers (19, 21), which are pivotably seated on the housing (13), are provided for unrolling the window shade web (17). Couplings (31) between the pivot levers (19, 21) and a gear motor (29) are provided for operating the pivot levers (19, 21). The couplings (31) are flexible over sections of their length, and to prevent kinking of the flexible sections kink-protection structures 44 are provided.

Abstract: A door operator unit includes a drive motor connected to a speed reduction differential planetary gear drive mechanism having a drive unit output shaft for connection to a further door drive mechanism. An electromagnetic brake is interposed between the motor output shaft and the planetary gear drive mechanism and is releasable when energized to allow rotation of the motor output shaft and the drive unit output shaft. A first ring gear of the planetary gear drive mechanism is normally held stationary by a release block and is operable in response to disengagement of the release block to permit rotation of the drive unit output shaft when the brake in engaged to allow manual opening and closing of the door. A torque limiting clutch may be interposed the operator unit output shaft and a second ring gear of the differential planetary gear drive mechanism.

Abstract: A projection screen system is provided that is configured to mount to a structure. The projection screen system includes a housing, a roller, a screen, and a motor positioned to rotate the roller to raise and lower the screen. The projection screen system further includes a coupling configured to couple the motor to the electrical supply of the structure.

Abstract: An opening and closing device for an architectural rolling door is provided in which various parts of the device are assembled into a cylindrical-shaped casing with good work efficiency and without looseness. After a casing (6) is divided into upper and lower semi-cylindrical parts (9, 10) and various parts, such as an electric motor (12), of the device are assembled into the lower semi-cylindrical part (10), the upper semi-cylindrical part(9) is slidingly fitted into and assembled to the lower part (10) and flange portions (9c, 10d) on the upper and the lower parts (9, 10) in this state are clamped to each other and fixed in a state in which the casing (6) is made small in diameter.

Abstract: An auxiliary closure operating device for manually operating an intermediate shaft normally driven by a motor in order to displace a closure between open and closed positions thereof. The device comprises a manual actuator and a driving member adapted to be freely mounted on the intermediate shaft so as to form a compact auxiliary device. The driving member is axially displaceable along the intermediate shaft between a first position in which the driving member and the intermediate shaft are independently rotatable relative to one another and a second position in which the driving member is engaged with the intermediate shaft and the manual actuator to transmit a torque from the manual actuator to the intermediate shaft.

Abstract: To provide a sheet take-up device for a projection screen and the like, said device being capable of simplifying the device in structure by omitting a one-way clutch and reducing components in number and capable of smoothly drawing out and taking up a sheet.

Abstract: The device is meant to move the solar protection means from a first position, among at least two predetermined positions, toward a second position to adapt to a variation in sunshine. It comprises a logic (6) which breaks down movement from the first to the second position into a minimum of two steps separated by a time interval (T1). A command (STOP) activated by a user during said interval (T1) activates the following step and reduces the interval by a fraction. The activation of an order after the interval (T1) and during the operation of the following step increases the interval (T1) by a fraction. The control device is in this way capable of adapting to the behavior of the user.

Abstract: A cargo area divider for a vehicle is provided which can be automatically transferred into an operative position or a non-operative position by a motor drive. Monitors for locking mechanisms of the operative position serve to dynamically block a roller blind shaft for the divider. Also, it is provided to monitor a loading level of the cargo area and to trigger an automatic transfer of a divider net or a partition wall into the operating position in response to the loading level exceeding a predetermined amount.

Abstract: An apparatus and method for windlocking a curtain over an opening in a building is disclosed and claimed. The windlocking curtain can reside to the exterior or to the interior of the window, door or other opening and protects it from the intrusion of air, water or debris. In its upper position the windlocking curtain permits normal use of the opening and in its lower position it secures the opening. A flexible corrugated curtain has tension rods therethrough and the tension rods run in tracks on each side of the curtain and necessarily on each side of the opening. Interengagement of the tension rods with the tracks is accomplished by deformations in the rods that are referred to as interrupts. In one embodiment the rods are successively longer from top to bottom of the curtain and their interrupts matingly wedge with angled tracks to secure the curtain. In another embodiment the interrupts matingly engage parallel tracks upon the application of force due to wind, fluid (usually water or sea water) or debris.

Abstract: A rolling door drive assembly including a final drive unit for connection to a door, whereby the door may be rotated by the final drive unit about an axis to open and close the door, a motor, a drive between the final drive unit and the motor operatively engaged with the motor, one or more drive axes about which one or more components of the drive rotate to transfer drive from the motor to the final drive unit, an actuator to bring the drive to a first configuration at which the motor is engaged to drive the final drive unit through the drive and to bring the drive to a second configuration at which the motor is disengaged from driving the final drive unit, and a resilient spring for urging the drive into one of the configurations. The actuator includes a cam rotatable about a cam axis separate from the one or more drive axes. The cam acts to set the desired configuration of the drive.

Abstract: An apparatus and method for windlocking a curtain over an opening in a building is disclosed and claimed. The windlocking curtain resides to the exterior of the window, door or other opening and protects it from the intrusion of air, water or debris. In its upper position the windlocking curtain permits normal use of the opening and in its lower position it secures the opening. A flexible corrugated curtain has tension rods therethrough and the tension rods run in tracks on each side of the curtain and necessarily on each side of the opening. Interengagement of the tension rods with the tracks is accomplished by deformations in the rods that are referred to as interrupts. In one embodiment the rods are successively longer from top to bottom of the curtain and their interrupts matingly wedge with angled tracks to secure the curtain. In another embodiment the interrupts matingly engage parallel tracks upon the application of force due to wind, fluid (usually water or sea water) or debris.

Abstract: The mounting and parallel guidance arrangement comprises a mounting bar (1) designed for releasable interconnection with the bottom bar of the screening device and having a through-going hollowness, two parallel guidance cords (2, 3), each being led through said mounting bar and comprising end parts which protrude from each end of the mounting bar, and installation brackets (4-7) for the free end of each of the end parts. The two installation brackets (4, 6; 5, 7) for a cord are meant to be fastened at the top of a first main frame or sash side member and at the bottom of the other main frame or sash side member opposite in relation to the first one, respectively. The releasable inter-connection of the mounting bar (1) with the bottom bar can be effected by means of clips.

Abstract: The instant invention is an apparatus for maintaining approximately constant tension of a curtain between a drive roller and a storage roller. The constant tension is achieved by pre-tensioning the curtain between the drive roller and the storage roller and then maintaining approximately the same amount of tension by rotating the reference to which one end of a spring is attached. The rotating reference is a shaft which is affixed to and rotates with a shaft gear. The other end of the spring is affixed to a cylindrical tube member, i.e., the storage roller, upon which the flexible curtain is stored. A motor driven gear drives a gear affixed to the drive roller. The gear affixed to the drive roller in turn drives idler gears which in turn drive the shaft gear. A method of using the apparatus is also disclosed.

Abstract: The present invention is directed to a modular roll-up partition assembly, such as a rolling protective shutter, implementing an improved mechanism for raising the partition in an emergency by disengaging a motor from a rolling shutter. The mechanism includes a cable that passes through an axial passage in a torsion spring. When the cable is pulled, the coupling mechanism is separated from the motor drive shaft, thereby disengaging the motor drive shaft from the shutter support member and permitting the torsion spring to quickly raise the rolling shutter.

Abstract: A rolling steel door, which includes a plurality of transverse rod members, a plurality of sleeves respectively sleeved onto the transverse rod members, a plurality of links respectively coupled to the transverse rod members to hold the transverse rod members in parallel, and a plurality of locating pins respectively fastened to the transverse rod members to stop the sleeves against the links, wherein the transverse rod members are hollow tubes; the links each comprise two coupling ends, two coupling holes respectively formed on the coupling ends and coupled to a respective transverse rod member, a reinforcing peripheral flange perpendicularly raised around the periphery thereof and the border of each coupling hole, and a neck on the middle.

Abstract: An electrically-driven closure apparatus for building includes a shutter curtain, a driving device for driving the shutter curtain to open and close an opening, a load detecting spring disposed between the driving device and a fixed member or the frame, and sensors for detecting the rotation of the driving device. The driving device is supported rotatably around the axis of the extending shaft in accordance with load variation. The load detecting spring is slidably fixed by a spring fixing member. Thus, the spring fixing member can be used also as an adjustment member for adjusting the spring constant.

Abstract: A roof window having an upper edge and a lower edge is provided with a shade assembly that has a flexible shade having a pair of opposite ends, a rotatable shaft attached to one of the shade ends, and a mount rotatably supporting the shaft at the lower window edge. A motor and spring unit attached to the shaft and to the other of the shade ends can wind the shade around the shaft in an open position of the assembly and unwind the shade from the shaft and pull it up along the window until the other shade end is at the upper edge in a closed position of the assembly. A pair of guides extend generally parallel to each other between the window edges. The one shade end is displaceable along the guides and respective cables attached to the one shade end extend along the guides. The shade assembly further has a stiff bar extending along the one shade edge and rollers on ends of the bar riding in the guides and attached to the cables.

Abstract: An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of said elongated reelable shade for supporting said reelable shade from a fixed support, an electrical drive motor having an output shaft for rotating said elongated reelable shade around its axis to selectively reel and unreel said shade, an electrical circuit for energizing and operating said motor, the electrical circuit including a controller coupled to and controlling the operation of said drive motor, and a coupler for removably coupling said output shaft of said motor to said first end of said elongated reelable shade, a single housing having said first bracket fixed thereto, said single housing containing and supporting said motor, said electrical circuit and said coupler, said coupler comprising an output driver which removably receives said first end of said shade with rotatable driving relationship.

Abstract: A motorized sun-shade assembly has a sun-shade device and a drive device. The sun-shade device includes a housing, a horizontal roller mounted rotatably in the housing, a screen having a lower edge connected to the roller, and a stretching arm unit having an upper arm with an upper end connected to an upper edge of the screen, and a lower arm with a lower end that extends into the housing and that is pivoted to the housing. The drive device includes a motor coupled to the roller, and a drive switch connected electrically to the motor. The drive switch is operable so as to activate the motor to operate in one of a first mode, wherein the motor rotates the roller for moving the arm unit to a stretching position, and a second mode, wherein the motor rotates the roller for moving the arm unit to a retracting position.

Abstract: A counterbalance spring adjustment mechanism, particularly adapted for a rollup type upward-acting door which is supported between spaced apart wall brackets on a rotatable shaft. One end of the torsion spring is connected to a hub including a tubular hub member and a circumferential radially extending flange. The tubular hub member is disposed in a bore formed in one of the wall brackets and is retained in assembly therewith by a cylindrical collar. The door support shaft is disposed in a self-lubricating polymer bushing which is supported in the tubular hub member.

Abstract: An upper end of a flexible door or curtain is attached to an overhead support member while a lower portion of the curtain is disposed on and connected to an elongated horizontal tube along its length. A combination electric motor and gear box is connected to a first end of the tube for rotating the tube in a first direction for rolling the curtain onto the tube and raising the curtain and tube combination, or for rotating the tube in a second, opposed direction for unrolling the curtain from the tube and lowering the curtain and tube combination. Attached to the electric motor/gear box combination is a carriage or roller assembly which engages and rides on a generally vertical guide rail or runner during raising and lowering of the curtain. The engaging force between the roller assembly and the guide rail is adjustable to prevent binding of the curtain as it is rolled up onto or removed from the tube.

Abstract: A goods-handling door for opening and closing a bay in a wall, the door including a flexible curtain (1), said bay being closed off when the curtain is deployed, and open when the curtain is gathered up on an edge of the bay, the door including a rolling-up shaft on said edge of the bay for receiving said curtain, or straps serving to displace said curtain by folding it up, the rolling-up shaft being rotated by an electric motor, said curtain having an edge fixed to said shaft or in the vicinity of said shaft, and a displaceable free opposite edge, said door being characterized in that it includes a safety system including firstly at least one elongate element such as a strap that can be rolled up with the curtain or with the straps on said rolling-up shaft while one end of said strap is fixed substantially to the free edge of the curtain, and secondly signal-emitting means for emitting a signal when the tension of the strap (10) drops below a predetermined threshold.

Abstract: An external screening mechanism for a pivotable skylight window comprises a web of a screening material which is wound on a spring-biased roller and is connected with a bottom bar which is guided in side guide rails and connected via a cord drive with an unrolling drive unit. The side guide rails for the bottom bar run along the parts of the frame side portions situated above the axis of rotation and the parts of the sash side portions situated below the axis of rotation, and an essentially rod-shaped support arrangement is attached to and extends across the screening web and is led in the side guide rails so that, in a position of use for the screening mechanism, it is positioned at or close to the axis of rotation in parallel therewith. The device may be provided with an arrangement for retightening and smoothing the web in the fully drawn position and during rewinding.

Abstract: A projection screen system that may be installed in a building in stages to reduce the risk of damage to the projection screen. The system includes a housing in which is mounted a socket circuitable with a power supply of the building. An assembly of the system that may be attached to the housing at a later stage of building construction includes a motor with a power cord, a roller and a projection screen. The motor rotates the roller to unwind the projection screen from around the roller and thereby lower the projection screen. A first end of the power cord is circuited to the motor, and a second end of the power conduit includes a plug that mates with the socket to operatively circuit the motor to the building's power supply. The housing also includes longitudinally extending lipped projections along its top wall.

Abstract: A flexible partition includes a curtain secured to a support structure at its topped edge and a shaft secured to the curtain displaced from the top edge and extending across the curtain. A driver is coupled to the shaft to rotate the shaft, thereby rolling and unrolling the curtain. A carriage connected to one end of the driver cooperates with a guide to restrict the rotation of the first end of the driver. The guide is pivotally coupled at one end to the support structure to move between raised and lowered positions.

Abstract: An electrically-driven closure apparatus for building includes the following parts: a shutter curtain, a driving device for driving the shutter curtain to open and close an opening by forward and backward driving power of an electric motor, the driving device being rotationally displaceable forward and backward relative to a fixed part in accordance with load applied thereto; a forward load detecting spring disposed between the driving device and a fixed member or the frame, so as to produce force which resists forward rotational movement of the driving device; a backward load detecting spring disposed between the driving device and a fixed member or the frame, so as to produce force which resists backward rotational movement of the driving device; and sensors for detecting the rotational displacements of the driving device. Spring constants of the forward and backward load detecting springs are independently adjustable.

Abstract: An opening and closing device for use with a shutter system for protecting a building space, such as a slat-type roller blind for a window, includes a series of slats capable of sliding in two generally vertical, laterally positioned guides (4). The slats are hooked to each other by hooking systems (7), and include a male/female interlocking system along their length. The device can be used to lower or raise the shutter system to close or open the protected space, moving between a totally closed position and a partially or fully opened position. In the closed position, the lower slat rests against a horizontal surface and the slats are interlocked with one another along their length to form a continuous sheet. In the partially or fully opened position, the slats are disengaged and separated from each other by a space determined by the height of the hooking system (7).

Abstract: A rolling door drive and mounting assembly including: a chassis; a final drive unit mounted to the chassis for rotation about an axis of rotation for driven connection to a door for rolling the door about a door mounting axle; a motor and drive, together attached to the chassis for synchronous pivotal movement, the drive interconnecting the motor and final drive unit; and a remotely operated actuator to move the drive into a first position engaging the final drive unit and to move the drive into a second position disengaged with the final drive unit.

Abstract: An automatic window shade system is disclosed which can react to end points and obstructions through a torque sensing arrangement. This torque sensing can be accomplished through use of an electromagnetic interference device so that a change in torque is immediately detected and a modulation in operation of the shade can be effected. Rotating pitched disks elastically connected to each other can be used to act as the torque sensor for this an other applications. Multiple elastic elements can permit multiple location sensing as well as non-zero torque sensing and reaction.

Abstract: A garage door opening screened enclosure for preventing debris and pests from entering a garage through an open garage door opening. The garage door opening screened enclosure includes a garage structure with a garage door opening. A housing is coupled to the exterior of the garage structure and is positioned above the top of the garage door opening. The housing has an elongate lower slot extending along the top of the garage door opening. An elongate rod is rotatably mounted in the housing to permit free rotation about an axis of the rod. The top edge of a screen enclosure is coupled to the rod so that the screen enclosure downwardly depends from the rod through the lower slot of the housing. A pair of elongate guide rails are coupled to the exterior of the garage structure on either side of the garage door opening. Each of the guide rails has an elongate guide channel extending therealong.

Abstract: An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of said elongated reelable shade for supporting said reelable shade from a fixed support, an electrical drive motor having an output shaft for rotating said elongated reelable shade around its axis to selectively reel and unreel said shade, an electrical circuit for energizing and operating said motor, the electrical circuit including a controller coupled to and controlling the operation of said drive motor, and a coupler for removably coupling said output shaft of said motor to said first end of said elongated reelable shade, a single housing having said first bracket fixed thereto, said single housing containing and supporting said motor, said electrical circuit and said coupler, said coupler comprising an output driver which removably receives said first end of said shade with rotatable driving relationship.

Abstract: A motor drive for a rolling steel door which includes a motor and a speed reducer driven by the motor to take up/let off the rolling steel door. A brake disk is rotated with the motor shaft of the motor, a sprocket wheel is moved along an axle and forced by a spring into engagement with the brake disk to stop the motor shaft of the motor from rotation. An electromagnet is securely mounted on the axle and magnetized to attract the sprocket wheel for enabling the motor shaft of the motor to rotate freely upon starting of the motor. A lever operated by hand disengages the sprocket wheel from the brake disk. A control box is coupled to the power output shaft of the speed reducer to control the operation of the motor, wherein when the control box is controlled to start the motor, the electromagnet is magnetized to attract the sprocket wheel from the brake disk and enables the motor shaft of the motor to be freely rotated.

Abstract: A curtain guiding assembly for an industrial door is disclosed. The curtain guiding assembly is provided with a resilient member disposed adjacent the leading edge of a door curtain. The resilient member is substantially untensioned when no external force is applied to the door curtain and is adapted to at least partially conform to or at least partially deflect about encountered obstacles. The resilient member becomes tensioned upon application of an external force less than a first predetermined threshold and returns to its substantially untensioned state upon removal of the external force.

Abstract: A flexible curtain rollup door is driven between open and closed positions by an adjustable frequency AC electric drive motor including a controller which is operable to accelerate and decelerate the motor by supplying AC electrical power at variable frequencies over a predetermined time period and for operating the motor at selected speeds during a continuous run phase of operation. A programmable logic controller (PLC) is operably connected to the controller for the drive motor and is operable to receive signals from upper and lower door position sensors, door bottom edge bar breakout sensors, a door bottom edge bar contact sensor, area sensors on one or both sides of the door for detecting the presence of an object within certain areas adjacent the door opening and manually operable switches to control opening and closing movements of the door. A position sensor is connected to the motor and generates signals correlated with motor and curtain roll drum revolutions to provide backup door position signals.

Abstract: A protective roller screen assembly for helping prevent projectiles moving at a high velocity from passing through a window or doorway. The protective roller screen assembly includes a frame that has a pair of upright members, an upper cross member that extends between upper ends of the upright members, and a lower cross member that extends between lower ends of the upright members. Each of the upright members has inner and outer sides, front and back sides, and an interior that is defined between the sides. Each of the inner sides of the upright members has a guide slot extending therethrough between the upper and lower ends of the upright members. A screen extends downwardly from the upper cross member. Opposed side ends of the screen are slidably disposed in the guide slots of the upright members. The screen is positionable between an extended position and a retracted position. The bottom end of the screen is positioned towards the lower cross member when the screen is positioned in the extended position.

Abstract: A door operator comprising electric actuating motor; a reduction gear; manual transmission mechanism between the electric actuating motor and the reduction gear, the electric actuating motor and the manual transmission mechanism independently actuating the reduction gear; a proximal clutch with a proximal disc, which is mounted on a rotating shift of the manual transmission shaft; an end disc of the proximal clutch secured on the rotating shaft of manual transmission mechanism; and an electromagnet secured on a bearing seat inside a housing of the manual transmission mechanism, which is controllable to produce a magnetic effect for a pull chain disc sleeved on the bearing seat to move axially.

Abstract: A rolling device that is fixed to a laminar material and is capable of rolling and unrolling the laminar material arranged around a shaft of the device, the device including an arm normally extending from the shaft and freely rotatably connected to the shaft, the arm including a motor to rotate the shaft.

Abstract: An overhead door including a door panel vertically movable between a lowered position when the door is closed and a raised position when the door is open, and a motor drivingly connected to a lower end of the door panel to selectively drive the lower end of the door panel downwardly. The motor is drivingly connected to the lower end of the door panel to drive the door panel downwardly in response to actuation of the motor. Preferably, the connection includes a flexible drive element (e.g., an endless belt) driven by the motor and connected to the lower end of the door panel. A pivot member releasably connects the door panel to the guide member, and is pivotable relative to at least one of the door panel or the guide member in response to a force on the door panel. The pivot member includes a first pivot segment pivotally connected to the door panel and a second pivot segment pivotally connected to the guide member, the first and second pivot segments releasably engaging each other.

Abstract: A cover for a motor-vehicle storage space has a winder fixed at an inner end of the space and a cover sheet secured in the winder, having an outer edge, and displaceable between a position wound up at the winder and a position extending from the winder above the space with its free edge at an opposite outer end of the space. A pair of like spaced apart guides flank the space and each extend from the inner end to the outer end. Respective entrainment elements are displaceable along the guides between the inner and outer ends and are each connected to the outer edge. Respective drive motors are connected to the entrainment elements for displacing the entrainment elements outward from the inner end to the outer end and inward from the outer end to the inner end. At least one of the motors is of variable speed.

Abstract: A new automatic garage door screen for covering a garage door opening to let air through while still providing a barrier to insects and debris. The inventive device includes a flexible panel having a plurality of apertures therethrough extending between first and second surfaces of the panel. A storage housing mountable to the top of a garage door opening is also provided. An elongate roller is rotatably mounted in the interior of the storage housing with a motor included for rotating the roller. The top edge of the panel is coupled to the roller. A pair of elongate guide tracks are mountable to the sides of a garage door opening. Each guide track has an elongate side channel extending between the ends of the guide track. One of the side edges of the panel is inserted into the side channel of one of the guide tracks while the other side edge of the panel is inserted into the side channel of the other guide track.

Abstract: The present invention is directed to a modular roll-up partition assembly, such as a rolling protective shutter, implementing an improved mechanism for raising the partition in an emergency by disengaging a motor from a rolling shutter. The mechanism includes a cable that passes through an axial passage in a spring shaft to which a torsion spring is mounted. When the cable is pulled, the coupling mechanism is separated from the motor drive shaft, thereby disengaging the spring shaft from the motor drive shaft and permitting the torsion spring to quickly raise the rolling shutter.

Abstract: An electromechanical sun visor for a motor vehicle window includes a sun shade screen rolled onto a spring-loaded takeup roller and a roller housing attachable to the interior of the roof of the vehicle adjacent the window upper side. A rotatable shaft is driven in forward and backward directions with a bidirectional electric motor connected to the car battery to retract and extend the sun shade screen. Extreme positions of the screen are detected with microswitches that control shut off of the motor.

Abstract: The invention takes as its departure point a housing (10) for receiving electric drives (16, 18, 20), in particular garage-door drives, and/or the controls (24, 26) thereof, which housing exhibits at least two housing parts (12, 14). Provision is made on the housing parts for a latching device (34, 52, 68, 110) and guide elements (108, 112) for the reliable connection of the housing parts (12, 14) and for latching-in and retaining functional components (22, 28, 78) and/or circuit boards (24, 26) for the controls. Consequently, a structure with few individual parts and simple mounting and demounting is achieved.

Abstract: Apparatus for driving a roller-shutter door comprises a driving plate, a planetary-gearset, a stationary housing, and adjustable control means. The adjustable control means is mounted in the stationary housing for cooperating with the driving plate as well as the planetary-gearset for controlling the actuation of a motor whereby a roller-shutter door can be moved to a predetermined limit position. More especially, the adjustable control means is disposed to extend from the stationary housing such that the adjustable control means can be manually adjusted from outside of the stationary housing.

Abstract: An automobile rear windshield sunshade device includes a base, a moving unit having a case pivotally supported by the base, a motor and two gears engaging with each other and rotated by the motor. Two driving arms to are moved up and down by the two gears, to extend and retract a sunshade unit having a winding roller for winding a sunshade curtain. The upper end of the curtain is connected with a strip fixed with an elongated bar, which is raised up and down by the two driving arms. The case and the driving arms can be adjusted in their angle relative to the base to adapt to the angle of the rear windshield.

Abstract: An awning extension and retraction apparatus is disclosed. The apparatus is adaptable to being powered by an electrical motor if desired. Left and right support arms are carried by a low position on a supporting wall, and provide telescoping inner and outer support arms. These arms move from a vertical orientation when the awning is retracted, to an angular position when the awning is extended. Hinged left and right rafter arms are carried by an upper position on a supporting wall, and provide an inner rafter arm adjacent to the supporting wall, and an outer rafter arm connected to a roller tube supporting the awning fabric. The inner and outer rafter arms are connected at a mid-point by an elbow joint allowing them to extend from a folded position when the awning is retracted to an extended, locked position when the awning is extended.