Abstract: The disclosure discloses a return device and a windproof roller shutter formed by the return device. The return device includes an end cover, wherein a sliding chute is arranged on the end cover, the sliding chute is arranged slantly, and a horizontal height of a first end of the sliding chute is larger than a horizontal height of a second end of the sliding chute; a sliding component, wherein the sliding component moves along the sliding chute; and a fixed plate mounted at one end of a reel pipe, wherein the sliding component is mounted on the fixed plate. The windproof roller shutter includes a reel pipe, a shutter body, a low rail, two side rails and two return devices.

Abstract: A flexible sunscreen is provided intended for use in a sunshade assembly of the type comprising a flexible sunscreen having a central part and two opposed inwardly folded longitudinal edge flaps connected to the central part by means of folding lines, and two opposed longitudinal guides for receiving therein and guiding corresponding ones of the inwardly folded longitudinal edge flaps of the flexible sunscreen, which guides are provided with locking members for engaging an outer end of the inwardly folded longitudinal edge flaps for preventing these edge flaps from moving out of the longitudinal guides. The central part of the flexible sunscreen mainly is manufactured from a first material with a first stiffness wherein of the inwardly folded longitudinal edge flaps and of the parts of the central part adjacent the edge flaps at least part is made of a second material with a second higher stiffness.

Abstract: A roller door system (100) particularly for opening and closing a doorway (120) defined in the wall of a lightweight structure (110) such as a marquee, hangar, field hospital, emergency shelter and the like. The door system comprises a rollable door (150) secured, in use, along one edge of the doorway (152); a roller (140) for rolling and unrolling the rollable door about the roller; an opening mechanism and a closing mechanism for controlling the deployment of the rollable door by translating the roller across the doorway; and reusable sealing means (135, 136, 155, 156) for sealing between the lateral margins of the rollable door and the doorway; characterized in that the rollable door comprises a plurality of collapsible hoses (165, 166) connected to a pressurized fluid power system (160, 161, 163) such that in use a positive pressure applied to the fluid power system causes the rollable door to unroll from the roller and controls the deployment of the rollable door.

Abstract: A charging apparatus for an electric vehicle, the electric vehicle is parked on a power transmission unit provided on the ground, a power receiving unit provided on a lower surface of a vehicle body of the electric vehicle is aligned with the power transmission unit, and the power receiving unit receives electric power energy aerially fed from the power transmission unit to charge a battery mounted on the electric vehicle in a non-contact manner, and the charging apparatus includes a shielding unit for shielding an operation surface of the power receiving unit from outside without hindering power transmission and receiving action. A rolling screen is preferable as the shielding unit.

Abstract: A screen assembly is configured to be removably secured to an architectural opening. The screen assembly includes a screen frame having a screen member coupled thereto. A latch mechanism includes a latch member movable relative to the screen frame from an engaged position to a disengaged position along a given linear axis. The latch assembly rotates about a pivot perpendicular to the linear axis to lock the latch assembly in the disengaged position.

Abstract: A window shade assembly includes a flexible shade material having a pair of non-beaded vertical edges positioned in a pair of opposed vertical side channels. A re-channeling system includes a lip to at least partially define a plane of the flexible shade material within the side channels, and a bottom rail irremovably and slidingly received in each side channel. The side channels can be two parts. A single resilient seal strip is used with the side channels to seal the flexible shade material. The seal strip can be an edge of the flexible wrapping material for the side channels.

Abstract: A door structure designed for use with a temporary shelter that has a frame and a material covering the frame with an opening for entry into and exit out of the temporary shelter, the door structure having first and second side members with at least one vertical groove formed therein, a roller extending across an upper portion of the opening, the roller being rotatably journaled at either end, a flexible fabric having one end secured to the roller and a second end having a weight secured thereto, a guide member extending outwardly from the flexible fabric fitting in the vertical groove of the side members, and a device connected to the roller to rotate the same, and clamp members to secure the door structure to the frame of the shelter.

Abstract: An air cargo container includes a base, two side walls, and a rear wall. The side walls each included a curved front edge. A retractable or roll-up door is located between the side walls. The door is extendible from an open position in which the door is retracted or rolled-up, to a closed position in which the door follows the curved front edges of the side walls and terminates at a position adjacent to the base. A support member is attached along the curved front edge of each of the side walls. The support members each include a channel for receiving a cable on a side edge of the retractable door. One or more levers on each support member are rotatable from an open position to a closed position in which the levers secure the cables within the channels in the support members.

Abstract: A collapsible awning assembly 10 fitted to the side of a caravan 11 and equipped with two anti-flap clamp assemblies 11 land 12. The awning assembly 10 comprises a fabric sheet material 13 which is stored on a roller 14 and held in its extended position by respective stays 15 at each end of the awning assembly. The clamp assemblies 11 and 12 are identical and are equipped at each end with transverse member attachment means 16 and 17 so that the clamp assemblies effectively form pole rafters extending rigidly between transverse members formed by the top surround of the caravan 18 and the brace 15 or the end portion of the roller 14 where the clamp assembly is attached at 17.

Abstract: Protecting coverings are provided for glass windows and the like. The protective coverings comprise a fiber reinforced polymeric fabric flexible enough to be rolled upon itself.

Abstract: An adjustable electric sunshade for an automobile has a hollow housing; two covers respectively provided on the both sides of the housing and each having a first ratchet formed therein; a winder provided in the housing and driven by a motor; two elbows pivotally mounted in the housing and each having a second ratchet opposing the first ratchet; two handles respectively pivotally mounted on fingers of the elbows extending out from the covers and each having a protrusion which can ensure the engagement of the first and second ratchets; two flexible arms respectively provided on the elbows; a curtain wound on the winder on one end and attached to the flexible arms on another end. The curtain can be extended by the flexible arms. Turning the handles to release the protrusions can disengage the first ratchet from the second ratchet, so that the elbows can be pivoted to adjust the curtain's angle. By this, the sunshade can be adapted to various rear windows.

Abstract: A preferred fenestration assembly includes a roll screen and a guide body presenting channels for receiving the respective side edges of the screen. During movement of the screen toward the closed position, the side edges are gripped between a shiftable gripper and gripping surfaces of the guide body. The gripping components are configured to release the side edges if excessive force is applied to the screen to prevent damage while retaining the side edges with a minimum level of force to withstand wind loading.

Abstract: Disclosed is an insulative window assembly that is easy to operate and attractive to the user. The insulative window assembly incorporates a blind and unique sealing frame. The sealing frame appears to be a window molding, while allowing the blind to be move along the sealing frame in order to seal a window space. A blind pull attached to the blind allows the blind to be positioned anywhere along the sealing frame.

Abstract: An Overhead rolling gate for a generally rectangular opening in a wall includes a generally horizontal frame portion at the top of the rectangular opening and two generally vertical portions at the lateral sides of the rectangular opening. A shaft is mounted substantially along the horizontal frame portion for rotation about a horizontal axis. A closure member is provided which has a length at least equal to the height of the rectangular opening and is capable of beg rolled up onto said shaft or spindle when in an open condition of the overhead gate and rolled down from the shaft or spindle to a closed position of the overhead gate to cover the rectangular opening. The closure member has a width selected to insure that the lateral ends of the closure member are guided by the vertical frame portions when the closure is rolled up unto or rolled down from the shaft or spindle.

Abstract: A window draft shield having at least one flexible window for preventing draft from infiltrating into a building. The window draft shield has at least one roller, each of the rollers having at least one flexible window mounted thereon and for dispensing and retracting each of the respective flexible windows; an exterior frame for supporting the rollers, the exterior frame having a plurality of locking clamps for locking the flexible windows into place and creating a seal between the flexible windows and the exterior frame when the flexible windows are dispensed; and a plurality of mating interior support frames adjoined to the exterior frame and for adjoining the window draft shield to a window casing.

Abstract: A roll-type screen assembly is provided with lateral guide rails adjacent the sides of an opening with a window or door. The guide rails guide the lateral edges of the screen and contain an inflatable tube along the length thereof. A small hand pump with a release valve is employed to releasably lock the edges of the screen.

Abstract: Channels having inward-opening grooves are mounted on the upright facing sides of a window frame below the roller of a conventional roll shade. Elongated sealing strips of resilient sheet material have their opposite edge portions rolled or folded inward into abutting relationship and are inserted into the channels. The opposite edge portions of each strip are biased together due to the inherent resiliency of the strip sheet material. The channels and strips capture the side margins of the body of the roll shade to seal the shade to the window frame.

Abstract: A goods-handling door of the raisable type, the door comprising a flexible or hinged curtain, optionally having horizontal reinforcing bars and capable of being wound, folded concertina-like, or displaced above the door, the edges of the curtain sliding between the side walls of vertical slideways which are spaced substantially further apart than the thickness of the curtain, or of the reinforcing bars, if any, with thrust means being provided in each slideway for thrusting the edge of the curtain against one of the side walls of the slideway. Each thrust means is constituted by an elongate element, is resiliently held in a horizontal position by a resilient hinge disposed between one of the ends of the thrust means and one of the walls of the slideway, and is shorter than the spacing between the side walls of the slideway so as to leave a gap substantially equal to the thickness of the curtain or to the thickness of a reinforcing bar, if any.

Abstract: A spring powered roll type fiberglass window screen has side edges received in guide channels in which locking bars are pivotally and slidably received. In closing the screen, the locking bars are longitudinally slidable by a screen actuator which in turn causes the locking bars to be pivoted into engagement with the screen by action of a guide actuator tab engaging a cam surface on the locking bar. In opening the screen, the screen actuator moves the locking bar upwardly until it is pivoted out of engagement therewith by a guide cam surface on the guide channel whereupon the screen is free to move to a fully raised position, leaving behind the locking bar.

Abstract: A profile assembly is disclosed for the wedge-sealing of a sheet of flexible material, especially a window shade. It comprises a set of male and female extruded plastic profiles. The female profile is U-shaped and defines an open housing, one of its legs has, at its free end, a resilient sealing lip turned into the housing while the other leg has, also at its free end, a first wedging lip. The male profile is L-shaped and has a wedging branch and a base branch, the two making between them an inner angle of less than 90.degree.. Furthermore, the base branch includes, at the end away from the wedging branch, an upright arm having a second wedging lip on its face that looks toward the first wedging lip.

Abstract: A combined sun screen and storm window in the form of a vertical, generally rectangular frame having a flexible panel of sheet material retractably supported by a spring biased roller at the upper end of the frame and connected to a slide at its free end with a pair of guide strips being provided on the frame for each edge of the panel and slide with one of each pair of guide strips at the opposite side edges of the panel being movable toward and away from the other strip for clampingly engaging the side edges of the panel and slide. The strips are provided with weather stripping along the inner surfaces thereof to provide waterproof and substantial by air impervious construction to enable the panel to be used as a sun screen or storm window.

Abstract: A window shade sealing system is provided having a pair of vertically oriented side panels which capture the side edges of a shade as it is pulled down, and a pair of baffles mounted respectively at the top and bottom of the window frame to respectively seal off the shade roller, and the bottom shade slat, from the window so that cold air between the window and the shade, and air leaking around the window casement, is trapped and prevented from entering the building.

Abstract: An insulative window shade assembly of the roll-up type for windows or like openings comprises a flexible sheet of shade material essentially of the size in area of the window or other opening to be insulated. The flexible sheet of material in its inoperative position is contained in a header or casing mounted at the top of the opening and extending across the width of the opening. The casing contains a spring-actuated roller upon which the sheet of shade material is wound with the leading edge protruding through a longitudinal slot or opening in the casing. The system further provides two side guides or channels mounted at the sides of the window or opening, and in which the channels contain a pile fabric to seal the sides of the flexible sheet when unrolled to the operative or insulative position.

Abstract: This invention relates to an insulating device to be mounted at the inner side of an existing window and includes a plurality of spaced apart film curtains mounted on a roller at the top and having a rigid bar at the bottom adapted to run in channel shaped side tracks, with compressible sealing members in the track that are displaced by passage of the rigid bar and which then spring back to engage the marginal portions of the respective film curtains to press them against the side walls of the tracks to provide a sealed unit effectively sealing the side edges of the curtains against the circulation of air at these points.

Abstract: A window covering sealing structure (10) adapted to seal a rollable window covering (30) having a flexible covering member (32) with a side edge (33) to a window frame (12). The window covering sealing structure (10) has strips (36) of a flexible, resilient sheet material adapted to be folded back on itself into a folded configuration having a longitudinally extending fold (38). The window covering sealing structure (10) also includes means for retaining the strips (36) in the folded configuration and for fastening the strips (36) to selected surfaces (26) of the window frame (12) with the fold (38) extending over the side edges (33) of the window covering to hold the side edges (33) thereunder against the frame (12) in sealing relation.

Abstract: Window unit (2) includes a window casing (4) having a plurality of flexible plastic sheets (6) mounted on spring rollers (30). Sheets (6) can be unrolled into an operative position where they are spaced in front of a transparent window panel to act as storm windows. Rectangular sealing frames (8) are movable in casing (4) between a first position in which the frames (8) are spaced apart to receive the plastic sheets (6) therebetween and a second position in which the frames (8) are pressed together to trap and seal the plastic sheets (6) therebetween. Frames (8) are movable manually by elongated shafts (50) which pass through key hole slot (56) in window casing (4).

Abstract: An improved window insulation system is provided which serves to establish a static air panel between the shade and the window pane. The system includes a valance which supports the spring biased shade rod about which the shade is rolled. The valance has a pivoted portion which can be moved away from the shade to facilitate its rolling and to reduce wear on the shade during the rolling operation. When the pivotal portion of the shade is secured in position, it establishes the position of the upper portion of the shade while securing means seal the upright and lower marginal edges of the shade to define the static air panel. To facilitate the rolling operation of the insulated shade, the shade, in one embodiment, includes a plurality of cross seams spaced by preselected distances to increase the shades flexibility.

Abstract: A protective cartridge mounted to a window frame has a retractable roll of blind material mounted therein. Loose steel tapes, not fastened to the blind material, are rolled with the blind material and space apart the convolutions of the rolled blind material. The blind material when extended is sandwiched between the steel tapes and magnetic strips fastened to tracks along the margins of the window frame to provide an airtight seal. The top of the blind is sealed against a rub strip portion of the cartridge and the lower portion of the extended blind material is sealed against a window sill to provide a trapped insulating air layer between the window and the blind when the blind is fully extended. Drag is bidirectionally exerted against the steel tapes to tension and position the tapes to lie flat against the blind when extended or to smoothly lie between convolutions of the rolled blind material. A combination centering guide and locking mechanism is provided at the lower end of the blind material.

Abstract: A storm window for sealing the entire interior surface of an existing window in a building. The storm window includes a flexible sheet which is extendably and retractably deployed from a shade roller mounted at the top of the existing window. A hinged cover member surrounds the roller and engages the top of the sheet to form an air tight seal therebetween. Hinged clamping members are mounted along the sides of the existing window and clampingly engage the side edges of the sheet when the sheet is in the full extended position to form an air tight seal. A drawbar is secured to the bottom edge of the sheet and has a sealing strip mounted to the bottom surface thereof to sealingly engage the window sill when the sheet is in the full extended position. The drawbar is biased into the sealing position by a boss which extends from the clamping member and engages a flange on the drawbar.

Abstract: A self-adjusting, self-storing rollaway inside storm window for use at conventional windows, which can be quickly put up and taken down as desired, includes a transparent flexible panel mounted on and constantly tensioned at the top end by a spring-retracting roller in the manner of a window shade and deployable over a self-adjusting spring biased extension rod securable between the sides of a window frame at the top, and at the bottom loop-affixed around a similar self-adjusting spring biased extension rod also securable between the sides of the window frame; a special shock cord deployed along each side of the panel between the upper and lower self-adjusting spring loaded rods biases the vertical edges of the panel in a direction for sealing against the window frame structure; intermediate disconnects are provided in the shock cord, and special ends on the self adjusting spring loaded rods adapt them for securance to window frame structures of different types.

Abstract: An assembly for securing a one-piece flexible pane within an opening defined by a frame is disclosed. The assembly includes parallel edge channel members which receive side boundary portions of the pane by compressively gripping the boundary portions between opposed base and arch portions of the channel members. End portions of the pane are secured on a roller and/or pane guide members having ribs which are received by resilient elongated base strips mounted on the frame.

Abstract: A complete window shade and sealing system is provided as a separate unit having peel-off adhesive permitting all portions of the system to be press-fitted onto an existing window frame, creating a completely sealed cover for the window when the shade is in its down position, preventing the entry of air, dust, radio-active fall-out, etc., and greatly reducing energy-sapping heat transfers occurring through the window by creating an air pocket.

Abstract: A tie-down system for holding the top and side edges of a shade to the top and sides of a window frame comprising a pair of brackets mounted to opposed upper corners of the window frame, a pair of clasps mounted to opposed lower corner of the window frame, a pair of swing arms pivoted to opposed lower corner of the frame for movement into and out of locking engagement with the clasps, and a flexible cord extending between the brackets and swing arms.