Abstract: A roll-up door including a flexible curtain having a front surface, a back surface, a first end coupled to a shaft, a second end opposite the first end, and first and second side edges extending between the first end and the second end, the flexible curtain being moveable between a retracted position wherein the flexible curtain is coiled around the shaft and a deployed position wherein the flexible curtain is uncoiled from the shaft. A first retention band is mounted along at least a portion of the first side edge of the flexible curtain, the first retention band including an inner surface at least partially facing towards the flexible curtain, an outer surface opposite the inner surface, a fixed edge attached to the flexible curtain generally parallel to the first side edge, and a free edge opposite the fixed edge and movable relative to the fixed edge.

Abstract: A wheelchair shielding device for shielding a wheelchair user from one or more of precipitation and sunlight includes a framework and a canopy. The framework is mountable to a frame of a wheelchair so that the framework extends upwardly from a rear of the wheelchair. The canopy is hingedly engaged to an upper end of the framework and is selectively positionable in a stowed configuration and a deployed configuration. In the stowed configuration, the canopy is substantially parallel to and in abutment with the framework. In the deployed configuration, the canopy extends above a seat of the wheelchair and shields a user positioned upon the seat from one or more of precipitation and sunlight.

Abstract: A window includes a window frame and a screen mounting assembly. The window frame is formed with two rail slots. The screen mounting assembly is adapted to be connected to a window screen and includes a roller unit, a sliding unit and an interconnecting unit. The roller unit includes a roller seat. The sliding unit is slidable along the rail slots and defines an engaging groove. The interconnecting unit is operable between a disengaging state where the interconnecting unit is connected to the roller seat, and an engaging state where the interconnecting unit is separated from the roller seat and inserted into the engaging groove so as to engage the sliding unit, such that movement of the sliding unit along the rail slots results in winding and unwinding of the window screen.

Abstract: The system provides a roller shade apparatus that can be affixed to any of a plurality of infant and toddler carriers (including strollers, playpens, car seats, rockers, and the like). A pair of adjustable clips allow for the roller shade to be mounted on carriers of a variety of widths. Once in place, the shade can be unrolled to the desired length and an adjustable cord with clamp (with Velcro™ backing pad) can be affixed to the body of the carrier to secure the shade in place. This allows the apparatus to be used in a variety of carriers with variable dimensions. The apparatus provides easy adjustment to various carrier designs with the use of ball joint swivels, spring clamps and an adjustable length cord.

Abstract: An improvement in a rolling shutter assembly for covering an opening of a structure defined by a top wall, a bottom wall and oppositely disposed side walls. The rolling shutter assembly includes a shutter housing, a shutter support member rotatably disposed within the shutter housing, a shutter coupled to the shutter support member, the shutter comprising a plurality of individual slats and a plurality of hinges interconnecting the slats, and a pair of side tracks. The shutter rolls between a rolled position wherein the shutter is rolled onto the shutter support member and an unrolled position wherein the shutter covers the opening and the ends of the slats are disposed within the channels of the corresponding side tracks. The improvement comprises a support frame having top, bottom and side rails mounted to the walls defining the opening with the side tracks each mounted to a corresponding one of the side rails of the support frame.

Abstract: A screen assembly for a window comprising a screen supported by an elongate support member adapted to be mounted in an upper region of the window opening, a pair of mounting brackets being provided for attachment to respective sides of the window opening adjacent the top face of the window opening, each end of the elongate support member having means for engaging a respective mounting bracket, whereby the mounting brackets may be attached the sides of a window opening such that the support member may be engaged onto the mounting brackets to mount the support member in the window opening.

Abstract: An air containment system includes a plurality of panel assemblies configured to be arranged in side-to-side relation to form a ceiling. In one embodiment, each panel assembly includes a flexible panel having a first end, a second opposite end, a first side and a second opposite side, a first end connector configured to secure the first end of the flexible panel to one of a rack and a wall, and a second end connector configured to secure the second end of the flexible panel to one of a rack and a wall. Other embodiments of the air containment system and related methods are further disclosed.

Abstract: An architectural mesh hanging system having a hanger assembly including a hanger tube having a plurality of openings and an architectural mesh panel of predetermined size having an uppermost edge defined by a plurality of loops. The plurality of loops are positioned within the plurality of openings in the hanger tube and a retaining rod is disposed through the plurality of loops within an interior of the hanger tube, thereby preventing the plurality of loops from displacement out of the plurality of opening.

Abstract: In a screen device, to provide a screen device in which a roller pipe includes a revolving shaft 5 on which a coil spring 6 is wound integrated therein, connected to a rotator 52 rotatably disposed with respect to a stator 51 connected to a lower end of the revolving shaft, and is rotatably stored in a housing frame, the stator includes a plurality of radially arranged claws 53, holding portions 57 arranged radially on a lower surface portion of a cap member 55 which is detachably disposed at a lower end of the housing frame corresponding to the claws of the stator are disposed, the holding portions each have a holding space 58 for receiving the claw in the interior thereof, the holding space is opened outward at one end on the side of receiving the claw and closed at the other end to allow adjustment of initial winding of a coil spring integrated in a roller pipe and superior in opening-and-closing operability of a screen and manner it is retracted.

Abstract: A screen device including first rigid units (24) which constitute an upper slide guide frame portion (15) and second rigid units (17) which constitute a lower slide guide frame portion (16). The upper slide guide frame portion and the lower slide guide frame portion are retractable into the interior of a screen mounting frame (10). Wall portions (18) of the first rigid units are fitted in between the side wall portions of the second rigid units, and the upper slide guide frame portion intersects the lower slide guide frame portion in the interior of the screen mounting frame. Connection of the first rigid units can be released at an arbitrary position in the interior of the screen mounting frame when adjusting the length of the screen device (1), and the upper slide guide frame portion can be taken out from the screen mounting frame, so that an adjustment of the length in the field of installation is facilitated.

Abstract: Certain embodiments of the present invention provide an apparatus for closing off an opening above, below, or between electronic equipment in a rack. The rack includes a pair of equipment rails. The electronic equipment is mounted to the equipment rails. The apparatus includes a base, a roller shade, and a handle. The roller shade is rotatably connected to the base and includes a free end extending from the base when the roller shade is rotated. The handle is connected to the free end of the roller shade. The base is removably connected to the equipment rails at a first position. The handle is removably connected to the equipment rails at a second position spaced apart from the first position such that the free end of the roller shade is extended to close off the opening in the rack.

Abstract: A motor spring assembly for use in a sun shade assembly in a vehicle comprises a motor spring housing and a bracket integral with and extending from the housing. The assembly also comprises a cover arranged over one side of the housing and a motor spring arranged within the housing. The assembly further comprises a shaft in contact with the motor spring wherein the shaft rotates with respect to the housing. The assembly also includes a connector arranged over an end of the shaft. The motor spring assembly generally will be arranged and secured within a guide rail of a sun shade assembly thus allowing for a more robust and durable sun shade assembly within an automotive vehicle.

Abstract: A screening arrangement (1) has a top element (4) including a cover and two side rails (8, 9). The top element (4) is provided with a top rail (440) forming the front side of the top element and being connected to the cover of the top element (4). Side rails (8, 9) are adapted to be joined to the mitred ends of the top rail (440) by means a set of angular brackets cooperating with reception means in the back side of the top rail (440) and in the back side of the respective side rail (8, 9).

Abstract: A closure assembly to be installed in an opening for a building, said closure assembly comprising a frame for supporting a moveable closure member therewithin, said frame including top, bottom and side members, one of the members including a hollow pocket within the interior of said member and for receiving a spring biased roller assembly upon which a flexible material is accumulated, said flexible material being selected from a blind, a bug screen, a solar screen, or the like, the flexible material being movable between a fully retracted first position whereat the material is contained within the pocket to a fully extended second position whereat the material covers some or all of the opening of the building.

Abstract: A flat screen television dust protector device featuring an elongated base configured to surround a top area of a flat screen television; at least one mounting bracket disposed on the top dust panel, the first side panel, or on the second side panel of the base, the mounting bracket functions to mount the base to a wall; and a support bar disposed on the top dust panel, the support bar extends downwardly and generally perpendicular to the top dust panel and generally parallel to the front panel, wherein at least on aperture is disposed in the support bar adapted to receive a screw, bolt, or nail, wherein the support bar functions to provide support for the base when the base is attached to the wall.

Abstract: An architectural covering arrangement having two side rails for mounting in parallel either side of a window pane and at least one movable end rail for mounting perpendicular to the side rails and extending from one side rail to the other side rail, the side rails having on respective faces to be mounted on a window pane, a two-layer fastening structure with one of the layers adhered to the respective side rail and the other of the two layers to be adhered to the window pane, the two layers being freely attachable and detachable from one another.

Abstract: A weight moving in a height direction interlocking with development and reception of a slide guide frame is provided, and the weight brakes reception of the slide guide frame owing to an increase in potential energy and promotes development of the slide guide frame owing to a decrease in potential energy, whereby an operating force is decreased, a feeling of operating a slide bar is made light, and the slide bar is decreased in sliding speed at the time of closing to achieve an improvement in safety.

Abstract: A horizontally extending screen door system having balancing cords that pull in a direction that opposes the force on a handle by the screen exerted by the wind up mechanism of the screen.

Abstract: A screen is made to be able to be changed in a state in which the screen is made to be detachable from a screen attaching frame portion, a first connector is arranged at one end extracted from the screen of screen tension members penetrating the screen at a plurality of portions in a length direction, the one end is connected to a vicinity of a free end of a slide guide frame portion, other end of a jump member extracted to a screen attaching side is arranged with a second connector, the first connector and the second connector are made to be attachable and detachable to and from each other, and the slide guide frame portion is extracted from inside of the screen attaching frame portion.

Abstract: A method for improving the operation safety of the smelt spout area of a recovery boiler, which smelt spout area comprises a working area (6), as well as smelt spouts (2) connected to the lower part of the boiler for directing the smelt from the boiler to a dissolving tank (4). In the method the smelt spouts (2) are separated from the working area (6) by a shielding wall (8, 10) arranged movable in relation to the smelt spouts. The invention also relates to a smelt spout area of a recovery boiler.

Abstract: The present invention is a retractable screen (22) and frame (24) assembly (20). The frame (24) includes a first track (32) and a second track (34) in spaced and parallel relationship to the first track (32). The retractable screen (22) includes a canister (36), a screen cloth (38), a control bar (40), a first glide (42), a second glide (44), and a biasing device (46). The biasing device (46) is disposed between a first end (52) of the control bar (40) and the first glide (42). The first glide (42) is inserted into the first track (32) and the second glide (44) is inserted into the second track (34). The glides (42, 44) slide along the respective tracks (32, 34) while the biasing device (46) biases the first end (52) of the control bar (40) with respect to the first track (32). The biasing provided by the biasing device (46) prevents the control bar (40) from binding with the tracks (32, 34) as the control bar (40) and the glides (42, 44) are slid along the tracks (32, 34).

Abstract: A flexible guide (1) for a mosquito net (100) of a type which is fixable to a window opening, comprising a plurality of rigid adjacent links (2a, 2b, 200), in which each link (2a, 2b 200) exhibits a pair of opposite flanks (5a, 5b, 205) which between them receive the mosquito net (100), and a connecting portion (6, 206) arranged transversally and fixed to the flanks (5a, 5b), each link (2a, 2b, 200) being provided with a seating (4, 204) for receiving a flexible strap element (3, 203) in order to form, with adjacently-situated links (2a, 2b), a single chain.

Abstract: A roller screen device includes a fixed sectional element (10) and a mobile sectional element (11) that is able to move parallel to the fixed sectional element inside a frame contained in which is a screen (13), the mobile sectional element (11) bearing a roller (12) inside it, wound on which is the screen (13), which, at the other end, is anchored to the fixed sectional element (10). Guide elements (14 and 24) for guiding the mobile sectional element (11) are positioned at the top and at the bottom of the screen (13) and fixed at one end to the mobile sectional element (11), while the other ends of the guide elements (14) slide into the fixed sectional element (10). Moreover provided is a system for tensioning the guides (14 and 24), which acts during the steps of opening and closing of the screen (13).

Abstract: The present invention broadly includes a screen assembly including a U-shaped channel, a plurality of channels, and a plurality of retainer clips. Each channel in the plurality of channels includes respective first and second walls forming an L-shape and a respective third wall hingedly connected to the respective first wall. The respective first, second, and third walls form a U-shape when the respective third wall is in a closed position. The plurality of channels are arranged to receive a screen frame when the respective third wall is in an open position and the plurality of channel elements is arranged to restrain the screen frame when the respective third wall is in the closed position. The plurality of retainer clips is arranged to releasably engage the plurality of channels to maintain the respective third wall in the closed position.

Abstract: A net guide for a wire screen, made to absorb an impact by causing connections of many guide pieces of a net guide formed by the connections of the guide pieces to have a stretchability. A net guide going in and out from a lower end of a movable frame in compliance with an opening/closing of a net to thereby guide a lower end of the net is constituted by connecting, by a wire, many guide pieces formed approximately like a U-letter by a bottom part and a standing wall part. The wire is inserted through through-holes of the guide pieces, and the guide pieces under a connected state are pressed by a coil spring giving a tension to the wire.

Abstract: A lateral pull wire screen with a net attached, between a first longitudinal frame member in a wire screen frame and a movable frame for an opening/closing operation, to be openable/closable by a lateral pull; a net guide guiding the lower end of the net goes in and out in compliance with the opening/closing of the net. The left/right convenience in the net opening/closing can be altered by the first longitudinal frame member and the movable frame, together with the net attached between them, having substantially upside/downside symmetrical shapes, and reversing them in their upsides/downsides without reversing their fronts and backs. Also, the net guide can be altered in its attachment position by, upon the upside/downside reversions, selectively attaching the net guide to attachment parts provided in both ends of the first longitudinal frame member fixing one end of the net guide.

Abstract: A window for absorbing sunlight heat in warm weather that otherwise would flow uncontrolled therethrough and discharging the sunlight heat to the atmosphere while permitting relatively unobstructed vision therethrough and passing the sunlight heat in cold weather therethrough for thermal warming. The window includes a frame, an inner pane, an outer pane, and a heat sink. The inner pane is pivotally mounted to the frame. The outer pane is affixed to the frame and spaced from the inner pane so as to form a space therebetween.

Abstract: A retractable screen device including a screen frame formed by upper and lower frame members and right and left side frames, each having a fixed cross section along its entire axis, and corner linking members linking the ends of the frame members and side frames together at four corners of the screen frame. One of a pair of corner linking members situated at the ends of the side frame carrying a screen winding shaft includes a winding mechanism that is movable into and out of the winding shaft to cause the winding shaft to wind a screen thereon with aid of an adjustable spring force, while the other corner linking member includes a stopper mechanism that is movable into and out of the winding shaft to define an adjustable limit to a degree of unwinding of the screen from the winding shaft.

Abstract: The present invention is constructed such that in a sliding screen door in which a net is formed to be capable of expansion and contraction by being alternately folded back in a reverse direction, and is formed to be capable of freely opening and closing by horizontal pulling, a net guide for guiding the aforementioned net is formed to be able to form the net guide into a straight line-shape in a condition of being led out from a frame member, and a movement of a net-holding member that follows the net guide is made smooth, and many of the guiding elements form the net guide 12 for guiding the lower end of the net, which is moved out from and into an interior of a vertical frame member 6, from the lower end of the vertical frame member 6 that is attached to both ends of the net in an open and close direction in response to the open-and-close movement of the net, into an approximately U-shape composed of a bottom portion and rising wall portions, and are mutually and flexibly connected by means of inserting a

Abstract: A screen device including a screen guide that has a simple structure, stably operates, and, in a guided-out state, can be formed in a straight rail-like shape. A screen guide of the screen device includes a large number of guide pieces, each formed in an approximately U-shape by a bottom and standing walls respectively extending along the end of a screen and the external side surfaces of the screen, and having a structure in which passage holes are formed along the tops of the standing walls, two strings of wire members are exerted through the respective passage holes, and, when the screen guide is guided out along the end of the screen, the serial contact surfaces of the adjacent guide pieces abut against each other.

Abstract: A retractable screen assembly includes a canister and a pair of tracks spaced from each other and extending in a direction transverse to the canister. A slide component is slideably engaged with the pair of tracks and is moveable toward and away from the canister along the tracks. The screen is coupled with the canister and with the slide component. The screen is selectively retractable to and dispensable from the canister as the slide component moves toward and away from the canister. A biasing device is coupled to the screen for urging the screen toward the canister to retract the screen to the canister as the slide component moves toward the canister. A shock absorber is disposed between the slide component and the canister for counteracting the biasing device to dampen relative movement between the slide component and the canister as the slide component moves toward the canister.

Abstract: The present invention provides a simple-structured windable screen device provided with a locking element that can be unlocked both from the inside and the outside of a building.

Abstract: An apparatus for concealing a display of the flat panel type, and for supporting and extending the display to a viewing position. The apparatus includes a display cover that operates between a concealed position and a revealed position, and a display support that operates between a retracted position and an extended position. There is also a display support interlock that is coupled to disable operation of the display support when the display cover moves away from the revealed position, and a display cover interlock that is coupled to disable operation of the display cover when the display support moves away from the retracted position. A controller with a wireless remote is coupled to the components of the apparatus to enable remote operation thereof. A housing with decorative frame surrounds the flat panel display and presents a display opening. The display cover may be a fabric sheet that is furled from a motor driven roller within the display opening.

Abstract: Disclosed is a tambour door comprising a door leaf that can be rolled up. The door comprises a vertical roller frame for receiving the door leaf, a sliding bar, to which the rollable door leaf is fixed, and an upper horizontal guide rail, in which the sliding bar is displaceably mounted. The invention facilitates a particularly simple, space-saving, modular construction. The rear face or external face of the roller frame is fixed to a wall and the guide rail is configured as a floating guide rail, which is fixed on one side at least indirectly to the roller frame and on the other side in a fixing element that is fastened at least indirectly to a wall. The door can be used as a lavatory door, or in situations requiring privacy protection for a door opening that economizes on space as much as possible.

Abstract: An assembly for covering a building opening that provides a shaft positioned at one end of the building opening, a curtain carried by the shaft, and a locking mechanism at the opposed end of the building opening from the shaft that selectively holds the curtain in a locked position to cover the building opening. The assembly also includes an input for selectively rotating the shaft, and a linking assembly adapted to transfer the input to the shaft to selectively rotate the shaft, wherein the linking assembly includes a failsafe portion designed to fail upon a predetermined impact force on the curtain. An operator is also provided to allow controllable movement of the curtain between the various positions.

Abstract: The present invention provides a garage door screen storing system that is adapted for permanent mounting onto the exterior wall above a garage door. An aluminum steel cabinet with several advantages, including an electric moter being the power source that propels the main screen power rod which rotate the garage screen in and out of the screen storing units; It is equipped with devices that provide remote or manual activation for the screen and lighting of the designed light fixtures. The doors that closes at the bottom of the cabinet are adapted to rotate roller devices inside of metal tracks devices that are designed to contain the rollers as they are manipulating the screen guide landing rod in and out of the system. When the doors are opened to a vertical position, they served as retention tracks that are adapted to keep the garage screen nestled against the exterior walls of garage doors.

Abstract: A sliding screen frame for a closure assembly having an opening and an existing track for mounting a screen, the screen frame has framing sections with both inner and outer side edges, and a housing from which a screen is payed out and accumulated. The framing sections are adapted on the outer side edge to interfit with the existing track of the closure assembly to enable the sliding screen frame to slide across the opening of the closure assembly and the frame sections also being adapted on the inner side edge thereof to support and guide the free end of the screen between a fully payed out and a fully accumulated position. The screen frame has a mitreless corner connector for connecting adjacent framing sections without the need for mitre cuts thereof to establish continuity between the corner connector and the adjacent framing sections.

Abstract: A storm protector (20) to be attachable over a window (21) or other opening of a building (22) includes a header (26), a bottom sill (25) and side frames (23, 24) extending between the ends of the header (26) and the sill (25). The header (26) carries a tube (53) which has one end of a curtain assembly (27) attached thereto. The curtain assembly (27)is biased by a spring (54) to be normally coiled on the tube (53), but the curtain assembly (27) may be manually moved along the frames (23, 24) to the sill (25) to cover the window opening (21). A bar (31) is formed at the other end of the curtain assembly (27), and the bar (31) carries a guide and lock assembly (110) which rides in and can engage at least one of the side frames (23, 24) to guide and selectively hold the curtain assembly (27) at any selected position along the side frames (23, 24). A tensioning assembly (32) is positioned in the header (26) and, without disassembling the protector (20), it may be accessed to adjust the tension of the spring (54).

Abstract: The screening arrangement is meant for screening of a window which is built into a roof surface and comprises a flexible screening body with a bottom bar in connection with the free end of the bar. A top casing for the screening arrangement is placed at the top frame or sash member of the window and comprises a reception means, such as a roller. The screening arrangement comprises at least on rotatable connection which permits a displacement of the screening body to a position in which it forms an angle with the roof surface and is positioned within the end wall of the top casing. The reception means is situated essentially in the plane of the screening, the top casing having such a form that it follows the form of the window at the top frame or sash member.

Abstract: A decorative covering apparatus and method. A frame with an opening formed into it has a first roller that rotates about an axis. A flexible cover is arranged to loop between a first edge that is fixed relative to the frame and a second edge that is affixed to the first roller. A second roller is disposed at the apex of the loop in the flexible cover, and, a motor is coupled to rotate the first roller in a first direction and in a second direction. This action causes a furling and unfurling the flexible cover to reveal and conceal the opening. It also causes the second roller to traverse the opening in the frame. A decorative frame is attached to the frame. The decorative cover is adapted to conceal and reveal a wall mounted object located behind the opening in the frame, such as a flat panel television set. Control is implemented with a remote control receiver, which receives a control signal that is coupled to control the motor to rotate in an up and down direction.

Abstract: A storm curtain apparatus is disclosed and claimed which includes a curtain having a left side edge, a right side edge and a bottom. A curtain bar is affixed to the bottom of the curtain. End caps are affixed to each end of the curtain bar and strips are affixed to the side edges of the curtain. A supporting frame includes first and second side guides, a top support and a bottom support affixed to the side guides. Each of the side guides include a generally rectangularly shaped and longitudinally extending body. Each body of each side guide includes a longitudinally extending curtain track and slot and a longitudinally extending guide track and slot. The curtain is movable between a first, stored, position and a plurality of second, deployed, positions. The edges of the curtain with the strips affixed thereto reside in the curtain tracks and slots and the end caps partially reside in the guide slots.

Abstract: A retractable flexible screen for installation to a frame of a fenestration product, the frame having opposite pairs of frame members. The flexible screen extending and retracting across an opening in the fenestration product and including flexible screen material and a roller system upon which the screen material is unwound and wound. The roller system mounting to a pair of mounting brackets, each attachable to one of the pairs of frame members. A control bar connects to the screen material and moves along a pair of tracks each mountable to the same pair of frame members, the screen material extending from the roller system to one of the other pair of frame members. A gripper system mounts in the tracks and grips the screen material in a closed flexible screen. A spring tensioning system provides post-installation access to adjust the tension of a spring within the roller system.

Abstract: A storm curtain apparatus is disclosed and claimed which includes a curtain having a left side edge, a right side edge and a bottom. A curtain bar is affixed to the bottom of the curtain. End caps are affixed to each end of the curtain bar and strips are affixed to the side edges of the curtain. A supporting frame includes first and second side guides, a top support and a bottom support affixed to the side guides. Each of the side guides include a generally rectangularly shaped and longitudinally extending body. Each body of each side guide includes a longitudinally extending curtain track and slot and a longitudinally extending guide track and slot. The curtain is movable between a first, stored, position and a plurality of second, deployed, positions. The edges of the curtain with the strips affixed thereto reside in the curtain tracks and slots and the end caps partially reside in the guide slots.

Abstract: A sliding screen frame for a closure assembly, the frame comprising framing sections assembled to form the screen frame, one of the frame sections being adapted to contain a roll out screen, the roll out screen being slidable between a fully extended position, whereat the screen is substantially payed out from the roll, and a fully retracted position; wherein the screen frame is free to slide in the closure assembly whether the roll screen is at the fully extended or the fully retracted position.

Abstract: An energy saving shade system for residential dwelling windows having dimensions that vary within a range of frame widths and a range of frame heights, and including a pair of end caps, each being insertable in sealing relation against the top surface and one of the side surfaces of the frame. A pair of side rails, each having a cross-section to define channel openings of a depth equal to at least one half the range of frame widths are securable in sealing relation to respective side surfaces of the frame. A pair of shade supporting plates are receivable in the respective end caps, each of the shade supporting plates being laterally adjustable throughout approximately one half the range of frame widths. An impermeable, transparent shade and a thermal insulating shade of widths within the range of frame widths are wound on rollers mountable between the shade supporting plates, and extendible for the range of frame heights from the roller to the sill.

Abstract: A retractable screen door for drawing a flexible screen panel across an opening, including a flexible screen wound around a spring biased take-up shaft, and guide rails for guiding the screen as it is moved across the opening. A unique latch mechanism is disclosed, said latch mechanism being located in the guide rails. Further, the screen may include an adjustable gear assembly for changing the tension on the spring. The retractable screen is optionally designed to have the appearance of a common door casing.

Abstract: A retractable screen door for drawing a flexible screen panel across an opening, including a flexible screen wound around a spring biased take-up shaft, and guide rails for guiding the screen as it is moved across the opening. A unique latch mechanism is disclosed, said latch mechanism being located in the guide rails. Further, the screen may include an adjustable gear assembly for changing the tension on the spring. The retractable screen is optionally designed to have the appearance of a common door casing.

Abstract: A retractable screen apparatus having an upper bracketing component and a lower bracketing component mounted to the upper and lower portions of an opening respectively. Each bracketing component has a connection portion that is connected to upper and lower connection regions of a substantially vertical screen dispenser. A handle attached to the screen of the screen dispenser displaces the screen to a retracted position where the upper and lower laterally extended edges of the screen are contained in slideways in the upper and lower bracketing components. A connection system employing a double threaded screw allows the apparatus to be retrofitted to existing door moldings having a regular shaped surfaces.

Abstract: A self-supporting construction frame, with two vertical portions; and two horizontal portions. In the construction frame, one of the two vertical portions is an anchor portion; and the two horizontal portions are detachably coupled to the two vertical portions. A method of using the construction frame for installation of doors and windows is also disclosed.

Abstract: A net guide 12 is guided along the lower end of an expandable net 4 folding in alternate directions counter to each other, made capable of opening/closing sideways is formed as a long member having a U-shaped cross-section including a shaking preventive section 12a and a bottom 12b. Concave notches 12c arranged at certain intervals are out in the shaking preventive section 12a.