Abstract: A panel structure including structural members connected together by a friction stir welding process. The structure includes a plurality of cross members, wherein each of the plurality of cross members is parallel to the other cross members in the plurality of cross members and wherein at least one of the plurality of cross members. An end cap member is positioned orthogonally to each of the plurality of cross members and connected to an end of each of the plurality of cross members. The end cap member includes a plurality of flanges, and each of the plurality of flanges includes a chamfered portion that fits within an opening at the end of one of the plurality of cross members.

Abstract: A method for producing a mechanical locking system for a first panel and a second panel. The method includes providing a tongue, including a first locking surface, at a first edge of the first panel, forming a tongue groove, including a second locking surface, at a second edge of the second panel, the first locking surface and second locking surface are configured to cooperate for locking the first edge to the second edge in a first direction, providing a first guiding surface at the first edge and a second guiding surface at the second edge, wherein the first guiding surface cooperates with the second guiding surface during an assembling of the first edge and the second edge, and working of the first guiding surface and/or the second guiding surface to reduce the coefficient of friction between the first guiding surface and the second guiding surface and/or a surface roughness.

Abstract: The present invention relates to a panel and method for manufacturing panels for wall or floor coverings, comprising two or more thermoplastic layers including at least one thermoplastic substrate layer and at least one top layer comprising at least a decor layer, a print layer and a transparent wear layer, and wherein both said thermoplastic substrate layer and said top layer are provided with a reinforcement layer, wherein said transparent wear layer is provided with a relief.

Abstract: A rough-in box used during the construction of buildings having poured concrete flooring, such as multi-story high-rise buildings. The rough-in box may be used to retain an opening in the floor through which plumbing and mechanical components may be installed after concrete has been poured around the device and hardens into a slab. The present invention also relates to a method comprising the steps of assembling the side walls of a box, placing a lid made of a material stronger than that of the side walls and capable of supporting a weight of 2,000 pounds, placing the box over a hole on the floor, and pouring concrete to form a floor around the box. The box will remain in place providing an accessible penetration through the flooring with space for plumbing connections and a flush surface with the floor over which pallet jacks and workers may travel without obstruction.

Abstract: A binding machine includes a wire feeding unit which feeds a wire, a curl guide which curls the fed wire around an object to be bound, a binding unit including a twisting shaft provided to be rotatable around an axis, a gripping part provided at one end of the twisting shaft and a drive unit provided to the other end of the twisting shaft, a control unit which controls the drive unit, and a binding machine main body which accommodates therein the binding unit and the control unit. When an inside of the binding machine main body is divided by a virtual plane perpendicular to the axis to be partitioned into a first space in which the gripping part is accommodated and a second space in which the drive unit is accommodated, the control unit is arranged in the second space in which the drive unit is accommodated.

Abstract: A lifting anchor assembly that is configured to be embedded in a tilt-up concrete structure includes an anchor member that has a central portion configured to engage a lift apparatus and a pair of legs that extend downward from the central portion. A lower portion of each of the pair of legs includes a curved section configured to engage within a concrete structure during its forming process. A spacer may be selected to attach at an end portion of each the pair of legs, where the spacers each extend downward from the anchor member and rest on a floor surface of a concrete form to support the anchor member at a desired spacing from the floor and upright within the concrete structure that is cast in the concrete form.

Abstract: A refillable combination patching compound dispenser and applicator has a generally cone-shaped container having a normally open end through which patching compound is introduced, a closed end terminating in a tip, a dispensing aperture disposed through the side-wall of container, proximate the tip, and a disc-shaped applicator having a center opening in communication with the dispensing aperture through which patching compound is dispensed. The apparatus is ergonomically shaped to fit easily in the palm of the user's hand and includes a fingertip rest opposite the dispensing aperture to facilitate application of patching compound in any direction over the substrate surface.

Abstract: Disclosed herewith a modular integrated building and a construction method thereof. The building includes multiple prefabricated room units, each provided with reserved, exposed reinforcing bars at its top. A bottom of a load-bearing structure of the prefabricated room unit is embedded with grouting couple shafts. Reinforcing bars of the load-bearing structure and of the prefabricated room unit of a next floor are inserted in inner grouting chambers of the grouting couple shafts to connect two prefabricated room units of adjacent floors together. A cast-in-situ concrete interlayer is arranged for connecting adjacent prefabricated room units of a same floor together. The on-site workload is reduced significantly, the construction period is shortened greatly, and the construction is convenient and rapid.

Abstract: A foldable, portable fabric children's wading pool for installation in the ground and which has improved stability characteristics is provided. The pool includes a base region with a generally circular sheet of water-resistant woven fabric with a thread denier of between 400 denier and 600 denier, a stabilizer region comprising one or more sections of woven fabric with a thread denier of between 200 denier and 400 denier, where the stabilizer region is affixed to the outer edge of the base region, and with a number of sand anchors affixed to the stabilizer region. The pool is set up by digging a hole in the ground and forming berms along the edges of the hole. Then, the pool is unfolded and positioned such that the waterproof fabric base is in the hole, and the sand anchor section extends downwardly and outwardly from the edge of the sand berm.

Abstract: A bonding kit for use with a water-holding structure, the kit having a bonding conductor with a body portion configured to reside within a component attached to the water-holding structure. The bonding conductor includes an extension portion configured to extend outwardly from the component. The bonding kit includes a conductor fitting configured to attach to the extension portion of the bonding conductor and to attach to a conductive system of the water-holding structure, providing an electrical connection between the bonding conductor, or water therein, and the conductive system, the bonding conductor providing equipotential bonding for water contained in the water-holding structure.

Abstract: Disclosed herein are a steering system for a suction cleaning device, a locomotion system for a pool cleaner, and a turbine for use in an automatic cleaner. The steering system includes a fluid driven turbine that rotates a cam gear that is interconnected with a cam wheel for directing a drive pinion. The drive pinion is positionable in a plurality of positions to drive a nose cone that steers the suction cleaning device. The locomotion system includes first and second A-frame arms that respectively engage first and second bearings about first and second eccentrics of a turbine. Rotation of the turbine causes the first and second A-frame arms to rotate back and forth driving associated walking pod assemblies. The turbine includes a turbine rotor and a plurality of vanes connected to the turbine rotor. The plurality of vanes including lateral edges having lateral open regions to facilitate debris-removing efficiency.

Abstract: A pop-up cleaning head is connectable to a swimming pool pump and is mounted in a swimming pool inner surface. The head has a pressurized extended position and an unpressurized retracted position respectively when pressurized water from the pool pump is connected to, or disconnected from, the cleaning head. The head includes a spring tube having a lower section with a nozzle orifice for directing a high pressure water stream from the swimming pool pump along and adjacent the pool inner surface. The spring tube has an upper section forming a chamber with the lower section and has a vent orifice aligned with the nozzle orifice to permit the high-pressure water stream to emanate from the head through the vent orifice and entrain pool water. The upper section includes passageways communicating with the pool to admit pool water into the chamber to be entrained in the high-pressure water stream emanating from the nozzle.

Abstract: A new seismic isolation bearing assembly is disclosed. The assembly includes a first isolation bearing plate, a second isolation bearing plate, and a moveable bearing element disposed between the first and second isolation bearing plates, each of the first and second isolation plates comprises a solid material and a surface facing the other isolation plate comprising a polymeric material different from the solid material. The polymeric material is effective to enhance the operability of the assembly.

Abstract: A post holder for holding a post in place. The post holder includes: a casing including a hollow cylinder and a clamping flag defined by a cutout formed in the hollow cylinder; first and second brackets detachably secured to the casing; a cylindrical rod disposed between the first and second brackets and secured to the first and second brackets; and a levered cam disposed between the first and second brackets and having a shape of a comma that includes a tail and a circular disk. The circular disk has a hole that the cylindrical rod passes through, where the hole is offset from a center of the circular disk so that a level of a clamping force that the circular disk applies to the clamping flag changes as the levered cam rotates relative to the casing.

Abstract: Portable relaxation pod. The portable relaxation pod includes a foldable exterior housing with walls, front flaps configured to close at least partially and an interior ceiling. Interior panels have acoustic foam and corrugated plastic layers. The interior panels abut the ceiling and walls. The portable seating system of a foldable chair equipped with a massage cushion is placed inside the exterior housing. A relaxation system includes an eye mask, headphones connected to an audio player and a portable foot massager, which is placed outside of the exterior housing in front of the seating system.

Abstract: The present invention is directed to a tent shelter that is adapted for various uses, designs configurations and combinations, along with riggings and accessories. It includes a flat material for its main body having anchor points along its peripheral edges. An anchor apparatus (including a hole) can be coupled at the anchor points. It also includes anchor apparatuses used to couple the tent shelter to another tent shelter, tent shelter accessories or a fixed object using a paracord or other materials. It also includes different ridged, hinge and awning assemblies to support the tent. The assemblies can anchor, manipulate, adjust and support the tent. An awning assembly coupled to the pole rigging system can be coupled to a tent shelter when laid flat. A hinged rigging system can be adjusted and supported so that the tent can be manipulated into desirable shapes including a shape that folds into a container.

Abstract: An apparatus and method for dispensing and tensioning fence wire, the apparatus comprising a support frame extending along a longitudinal length between a front and a rear, the frame adapted to be moved along a path proximate to the fence to be formed and a rotational support adapted to rotatably support at least one reel of fence wire thereon, an adjustable tensioning unit adapted to be selectively secured to a fence wire and a drive unit wherein the drive unit is adapted to selectively control the tensioning unit to apply tension to the fence wire. The method comprising rotatably supporting at least one reel of fence wire on a rotational support, securing a first end of the fence wire to one of a plurality of fence posts and moving the frame along a path proximate to the fence to be formed, dispensing the fence wire along the path.

Abstract: Improvements handle for door closing is disclosed. The handle is rotatable from an outer housing that both protects the handle and provides a structural frame for mounting the handle to a pre-existing door. A typical installation is to place the handle closer to the hinge side of the door. This allows a user to require a shorter reach and pull to the door. Because opening a door for a wheelchair requires the door to almost be completely opened. The handle also has a rotation stop that prevents the handle from being rotated out of the housing more than 90 degrees. A retention and extending mechanism both holds the handle within the housing and slightly opens the handle for a user to grasp. The housing can be surface mount or flush mount. The handle can allow for weight bearing support of a user.

Abstract: A door handle cover adapted for engagement to a door handle on a vehicle, comprising an elongate panel having an upper lip along an upper longitudinal edge thereof and a lower lip along a lower longitudinal edge thereof, the upper lip comprising a generally hook-shaped member that defines an interior region adapted to grippingly engage an upper portion of the door handle, the lower lip comprising a generally hook-shaped member that defines an interior region adapted to grippingly engage a lower portion of the door handle, wherein upon engagement of the upper lip and lower lip on the on the door handle the cover is thereby firmly affixed to the door handle.

Abstract: A lockset (10) is actuable by pivoting a lever (14) about a longitudinal axis of the lockset (10) by rotating the lever (14) and by pushing or pulling on the lever (14). An actuator linked to the lever extends into a retractor assembly (33) of the lockset and is configured to actuate a retractor (40) to retract a latch bolt (550) in order to enable a corresponding door (22) to be opened. The latch bolt (550) has a blocking surface (560) that is configured to engage an edge of a door strike plate (45) in order to prevent the door (22) from opening. The blocking surface (560) is inclined relative to an axis of the latch bolt (550).

Abstract: A vehicle door includes a lock indicator assembly having an operable housing and an internal locking pin engaged with the operable housing and biased to a downward position within the operable housing, an interior door panel having a receptacle, wherein the operable housing is received within the receptacle and a lock rod operable to engage an underside of the operable housing and move the locking pin to an upward position.

Abstract: A deadbolt latching mechanism for a door. Specifically, the mechanism relates to a fortified deadbolt latch providing fortification against attempted prying of a door against the locking mechanism. A fortified deadlock latch device configured to reversibly move between an extended locked and retracted unlocked position, the device comprising: a. a latch housing having a longitudinal axis; b. a latching assembly, the latching assembly slidably coupled to the latch housing along the longitudinal axis; c. a bolt assembly coupled to the latching assembly, the bolt defining a circumferential surface; d. a rocker hingedly coupled to the bolt assembly, the rocker having a proximal end and a distal end, wherein, the distal end is configured to protrude beyond the bolt assembly's circumferential area and engage a frame jamb box in the extended position; and e. a bolt sleeve or a face plate, operably coupled to the latch housing.

Abstract: The invention relates to a child safety latch for limiting movement of moveable elements, comprising a prong assembly secured to one element, and an anchor assembly secured to the other element for capturing the terminal end of said prong, said anchor assembly including a receiver to receive and capture said terminal end to stop movement relative movement of the elements by automatic engagement of the receiver of the anchor assembly with the terminal end, the prong assembly being movable by a user between a first position in which the terminal end is captured by the receiver preventing movement of one element with respect to the other element and a second position in which the terminal end is released from the receiver permitting relative movement of the respective elements.

Abstract: A lock assembly for an overhead door includes a lock bar and a spring clip receiver. The lock bar is configured to mount on and travel with the overhead door, and includes a track cover portion configured to encircle an overhead door guide track. The lock bar further includes a latch portion extending from the track cover portion. The spring clip receiver includes a spring clip configured to receive the latch portion of the lock bar, and a lock receiver having a pass-through hole for a lock shackle so that, when the overhead door is in a closed position, the lock shackle captures both the lock bar and the spring clip receiver to immobilize the overhead door. The lock assembly may further include an alignment bracket coupled to the lock bar defining an aperture configured to align with the pass-through hole in the lock receiver when the overhead door is in a closed position.

Abstract: In order to improve the release movement of a closure bracket assembly for retaining or raising a pivotable front flap of a motor vehicle from a normal position into a protection position, a closure bracket having a closure bolt and a closure bracket upper part is provided. The closure bolt is secured in a lock in the normal position and in the protection position. A front flap securing device can be secured on the front flap. A pivot shaft is arranged on the front flap securing device and about which the front flap securing device is pivotally mounted for raising purposes. A closure bracket holder is provided on which the closure bracket is held. The pivot shaft is arranged on the closure bracket holder and the closure bolt can be pivoted in the lock during raising.

Abstract: A motor vehicle door latch device that prevents a latch from being held in a half-latch position when a door opens and enables itself to be smaller. The door latch device comprises a latch that is pivotally mounted via a first shaft to engage with a striker; a pawl that can hold the latch in a full-latch or a half-latch position; a memory lever pivotally mounted via a third shaft not to overlap the latch or the pawl, the memory lever enables holding the pawl in a release position without the full-latch position or half-latch position when the pawl rotates in a releasing direction from the full-latch position; and a releasing portion enabling the pawl to rotate from the release position to the half-latch or full-latch position when the latch rotates from the full-latch position toward an open position to be in between the half-latch position and the open position.

Abstract: A vehicle lock device includes a base member, a latch, and a release lever. The base member includes a base groove, into which a striker is inserted. The latch includes a latch groove into which the striker is inserted. The latch is pivotal between a lock position, where the striker is fixed to the base groove, and an unlock position, where the striker is released from the base groove. The release lever is pivotal between a lock release position, where pivoting of the latch is permitted from the lock position to the unlock position, and a restriction position, where pivoting of the latch is restricted from the lock position to the unlock position. The release lever includes an engagement release member that contacts the latch when pivoted from the restriction position to the lock release position to pivot the latch from the lock position to the unlock position.

Abstract: For latching an equipment unit door of an equipment unit in a control center, an apparatus includes a latch pin, the unit socket, and a structure socket. The latch pin includes a latch shaft with a latch interface disposed on a pin proximal end and a latch wing disposed on a pin distal end. The latch pin rotates to one of an open position, a unit latch position, and a structure latch position. The unit socket passes the latch wing in the open position and obstructs the latch wing from moving in a proximal direction in the unit latch position. The structure socket passes the latch wing in the unit latch position and obstructs the latch wing from moving in the proximal direction in the structure latch position.

Abstract: A pet cage door system including a door frame multiple insertion buckles protruding toward a side of door frame. The door frame has a door that rotates relative to the door frame, and the door has a door bolt that transversely slides relative to the door. A first end of the door bolt is inserted into one of the insertion buckles, and a second end of the door bolt is connected to a vertical bar that transversely moves relative to the door. An end portion of the vertical bar has a transverse bar. The transverse bar has a turning-back bar that extends from an end of the transverse bar that and curves to form a semi-circular portion. The turning-back bar then extends parallel to the transverse bar, is spaced from the transverse bar, and is adapted to engage a second one of the insertion buckles.

Abstract: A hinge module includes a first bracket, a second bracket, a pivot assembly, a pressing component and an adjusting structure. The first bracket has at least one first sliding slot. The first bracket and the second bracket are pivoted to each other by the pivot assembly, wherein the pivot assembly has a first sliding portion that is slidably disposed in the first sliding slot. The pressing component is connected to the first bracket and the first sliding portion. The adjusting structure is connected to the pressing component that presses the first sliding portion by the adjusting structure. When the first bracket and the second bracket rotate relative to each other, the first sliding portion slides along the first sliding slot, and the hinge module generates a torsional force by continuously pressing the first sliding portion by the pressing component. In addition, an electronic device including the hinge module is provided.

Abstract: Provided are a hinge capable of attaching a door side member having a recessed portion to receive an articulation joint in an end surface of a thin door such as a glass door and a hinge bracket. The hinge of the present invention includes a main body side member to be attached to a main body; and a door side member to be attached to a door, rotatably connected to the main body side member via an articulation joint and having a recessed portion to receive at least a part of the articulation joint. The door side member includes an outer shell portion, a first holding piece projecting from the outer shell portion, and a second holding piece for sandwiching the door with the first holding piece in a thickness direction of the door within a range of the outer shell portion in the thickness direction of the door.

Abstract: A slip resistant hinge system for doors and, in particular, frameless glass doors, is provided. The hinge includes a dovetail-shaped central raised portion that minimizes or prevents the possibility of the glass slipping when secured to the hinge. The dovetail-shaped central raised portion can be designed as part of the hinge or can be created by inserts positioned around the central raised portion of the hinge. In operation, a corresponding dovetail-shaped opening is cut into the door for receiving the hinge.

Abstract: A drive unit for closing a leaf of a door or a window comprises an energy accumulator for providing a closing force for closing the leaf, a damping device which counteracts the closing force and has an electric motor which can be operated as a generator and can be coupled to an actuating element of the drive unit, and a control device for controlling the electric motor. The control device is designed to determine a nominal path curve which indicates a position of the leaf or a closing speed of the leaf in dependence upon time, and to perform the control of the electric motor in order to damp the closing movement of the leaf on the basis of the established target path curve.

Abstract: A hydraulically damped actuator suitable for closing a hingedly connected closure system includes a tubular cylinder barrel, an energy storing mechanism for storing energy when the closure system is being opened and for restoring the energy to close the closure system, and a hydraulic damping mechanism for damping a closing movement of the closure system. The damping mechanism has a closed cylinder cavity that is partly formed by a collar that is integrally formed with the tubular cylinder barrel, a guiding element that is bolted to said collar and a piston that is irrotatably and slideably with respect to the tubular cylinder barrel coupled to said guiding element. The guiding element is fixedly positioned with respect to the tubular cylinder barrel, without needing a screw connection.

Abstract: A refrigerator includes a cabinet, a door, and a door opening device. The door opening device includes a motor and a pushing member configured to be withdrawn out by the motor to open the door. The pushing member includes a first rack configured to be driven by the motor and to push one of the cabinet or the door, and a second rack configured to be driven by the motor and slidably coupled to the first rack in which the second rack at least partially overlaps with the first rack. The first rack is configured to move relative to the second rack in a first direction to open the door to a first angle, and to move together with the second rack in the first direction to move the door to a second angle greater than the first angle.

Abstract: A zone object detection system including a passenger compartment. Also included is a door moveable between an opened position and a closed position. Further included is a first sensor monitoring a first zone outside of a plane of the door. Yet further included is a second sensor monitoring a second zone comprising at least one of the plane of the door and outside of the plane of the door. Also included is a controller in operative communication with the first sensor and the second sensor, the controller commanding a first modification of a door closing movement of the door if an object is detected in the first zone, the controller commanding a second modification of the door closing movement of the door if an object is detected in the second zone.

Abstract: A garage door security system includes a camera configured to capture images of vehicles that are in proximity of a garage door of a garage. A database stores identification information for a plurality of vehicles. The identification information includes at least one of make, model, color, license plate number. An image and data analytic controller analyzes the images of vehicles captured by the camera using the identification information for the plurality of vehicles stored in the local database in order to identify vehicles authorized to enter the garage. A motor control opens the garage door for vehicles authorized to enter the garage.

Abstract: A movable barrier operator system is provided that includes a moving-barrier imminent motion notification apparatus, a motor, a controller, and communication circuitry configured to communicate with a remote control. In response to the communication circuitry receiving a communication from the remote control, the controller causes the motor to change the state of the movable barrier and additionally operate the moving-barrier imminent motion notification apparatus upon a determination of the remote control being beyond a physical proximity of a location associated with the movable barrier operator system. Upon a determination that the remote control is within the physical proximity, the controller refrains from operation of the moving-barrier imminent motion notification apparatus.

Abstract: A protective device which includes a sealed container which is made from a material which breaks under the effect of a shock wave in excess of a predetermined magnitude and a substance inside the container that gives rise to a bank note traceability factor.

Abstract: A method of assembling a window includes positioning an insulating material in a frame thermal break defined by a middle portion of a frame intermediate a first side and a second side of the window. The method also includes connecting a cladding to the frame. The frame includes a first material visible on the first side of the window. The cladding includes a second material visible on the second side of the window. The method also includes connecting a first glass pane to a second glass pane to form an insulated glass unit and positioning the insulated glass unit in the frame. The method further includes aligning the frame thermal break and a pocket of the insulated glass unit such that a central plane of the pocket extends through a middle portion of the frame thermal break. The frame thermal break and the pocket define a continuous thermal break extending through the window.

Abstract: An apparatus and method for forming new and novel portions of a garage door panel. This includes forming at least one decoration into a steel plate section and bonding to it a unique foam core where a mirror image decoration is routed into the foam core to exactly match the decoration. In addition, an aluminum diamond plate sheet with a front surface and a rear surface is bonded to the rear of the foam core. The aluminum diamond plate sheet also includes a sheet of steel affixed to its rear surface which rear surface is bonded to the foam core so that magnetic decorations can be attached to the front of the aluminum diamond plate sheet.

Abstract: Exemplary implementations of a thermally-efficient slidable fenestration assembly are glass window systems or glass door systems having one or more sliding glass panels. The fenestration assemblies are adapted to be mounted in an architectural structure such as a building or house. Accessory channels in the fenestration framework may be provided to facilitate nail-fin, retro-fit or screen adaptors as means to attach the assembly to the surrounding architecture. Stiles, tracks and rails of the assembly are specifically configured to reduce heat transfer across the fenestration assembly, while simultaneously maintaining the structural integrity and durability of the overall assembly. Certain stile, track and rail components may comprise materials of relatively low conductivities. Preferred stile configurations include interlock elements arranged to reduce the assembly's vulnerability to tampering from a position outside of the fenestration.

Abstract: A ramp door closure apparatus is provided for recreational vehicles, having a recessed linear actuator both draw a cable from a mounting bracket on the ramp door adjacent to the RV opening, to raise and lower the ramp door, and then cam a locking pin fixed to the ramp door into a seal tight position after the ramp door is raised. Upon release of the locking pin from the cam when opening the door, an initial push is provided to facilitate downward rotation of the ramp door. The linear actuator is selectively detachable from the cable so as to allow manual raising and lowering of the ramp door from within the RV, by means of releasable pins accessed in the mounting structure.

Abstract: A system and method for a security glass system. The system includes a pane of glass and a security film adhered to the glass. A bracket has a glass coupler portion, a gap definer, and a support coupler. The glass coupler is adhered to the security film via an adhesive. The support coupler is adhered to the support via an adhesive. The result is a securement system which can withstand more blows than traditional glass.

Abstract: A conveyor belt for use in applying sealant to an elongated spacer frame and a method of use. The conveyor belt comprising a reversible belt rotatably attached to first and second pulleys. The reversible belt having a first perimeter length. The reversible belt is removably attached to the first and second pulleys. A first side and a second side of the replacement belt include first and second adhesive resistant materials. The first and second adhesive resistant materials are separated by an elastic support layer, wherein the first perimeter length is shorter than a second perimeter length measured about the rotation path of the first and second pulleys. The elastic support layer applies a force to first and second pulleys such that the reversible belt does not slip relative to the first and second pulleys.

Abstract: A revolving door comprising a wall or walls in which openings for inlet and outlet of persons and/or objects are provided, and rotatable door wings that during use are rotatable around an imaginary central vertical axis in a passage area surrounded by the wall or walls, wherein each of said door wings is provided with a slidable door wing part for extending and/or retracting the door wing of which it forms a part, wherein each of said door wings substantially comprises slidable door wing parts only so as to provide that the slidable door wing parts of any single door wing are selectable to be placed in at least two positions, a first position wherein said door wing parts are entirely adjacent or next to each other and wherein edges of said door wing parts are adjacent to the wall or walls, and wherein said door wing parts extend radially away from said wall or walls towards the imaginary central vertical axis, and a second position wherein said door wing parts are entirely adjacent or next open opening or to

Abstract: A frame assembly with strengthened corners is described. The frame assembly includes internal corner sets that squeeze or pull mitered or angled edges of frame sections together. The corner sets fit into openings at corners between adjacent frame sections. The frame assembly includes corner braces that snap lock over a corner between adjacent frame sections. The corner braces fit over exterior surfaces of the frame sections forming the frame assembly. The corner brace snaps into grooves in the exterior surfaces of the frame sections. The frame assembly includes a corner member that engages to an outer flange of joining frame sections. The corner member spans the corner between the joining frame sections.

Abstract: A window shade includes a reel coupled to a first control module and connected with a panel assembly, a lift actuator coupled to a second control module, and a switchable coupling mechanism. The panel assembly has an open state for light passage and a closed state blocking light passage. The first control module can drive the reel in rotation for winding and unwinding the panel assembly. The second control module can drive the lift actuator in rotation for switching the panel assembly to the open or closed state. The coupling mechanism has a coupling state in which it rotationally couples the lift actuator to the first control module, and an uncoupling state in which it rotationally uncouples the lift actuator from the first control module. The coupling mechanism is in the uncoupling state while the panel assembly is closed, and in the coupling state while the panel assembly is opened.

Abstract: A mounting system and method for security screens for use with double-hung windows and other windows having an integral screen track is disclosed. The mounting system and method according to the present invention reduces materials cost for manufacture of security screens while improving aesthetics of the installation and allowing installation to be accomplished from the interior side of the window, and permits installation of security screens either at the construction site or during window manufacture, while preserving the window manufacturer's warranty. Exemplary embodiments both with and without a subframe are described.

Abstract: A ladder with a guardrail is provided. The U-shaped guardrail has a center arm portion and two side arm portions. Each slot is provided through a side arm portion and has an elongated oval shape. Each hinge center bolt is disposed through a slot and engages a side arm portion to a hinge rotatably. The guardrail lock is disposed at the side arm portion, and the guardrail lock comprises first and second locks, a center rivet, a pair of stopper pins, and a torsion spring. The first or second lock has a guiding curve portion, a circular locking portion, and a through-hole. The center rivet is queued through the through-holes and fixes the first and second locks to the side arm portion rotatably and fixed to the side arm portion. The first and second locks receives and is locked to locking pins on top portions of the side rail.