Abstract: A hazard avoidance system for a machine includes a profile monitoring device configured to determine a profile created by the machine, a position detection module configured to determine a position of the machine on the worksite and a controller communicably coupled to the profile monitoring device and the position detection module. The controller is configured to receive the profile determined by the profile monitoring device, receive the position of the machine, determine the profile as a hazard if the gradient of the profile is above a certain gradient and determine the location of the hazard and transmit location of the hazard and initiate preventive action in a second machine operating in proximity to the machine on the worksite.

Abstract: A detachment sensor detects attachment and detachment of a water discharger to and from a retainer. An object sensor detects presence of an object. A controller causes water discharge triggered by detection of an object by the object sensor while the water discharger is attached to the retainer and suppresses water discharge triggered by detection of an object by the object sensor while the water discharger is detached from the retainer. The controller suppresses water discharge triggered by detection of an object by the object sensor after attachment of the water discharger to the retainer until a non-detection state of an object by the object sensor continues for a predetermined period of time.

Abstract: A jet regulator (1) is provided including a jet regulator housing having an interior in which there is provided a perforated plate (5) with a plurality of throughflow holes (6) for dividing up the water that flows through, of which at least one of the throughflow holes (6), at least in an outflow-side hole portion, widens in a tapered or conical or stepped manner toward an outflow side. On the outflow side of the perforated plate (5) and at a distance therefrom, there is provided an encircling impingement chamfer (19) which narrows a clear housing cross section in a region of the impingement chamfer progressively in the flow direction.

Abstract: The present invention relates to a decorative ceramic or vitreous sink customized with unique designs, themes, logos, pictures, stamps, etc and the manufacturing method of the same. The decorative ceramic or vitreous sink can be used as a personalized fixture in home or as a medium for advertisement and commercialization by way of descriptive images and logos imprinted on the surface of the sink. The material is heated at 200° F. for two hours first, then at 300° F. for two hours and finally at 300 to 400° F. for two hours.

Abstract: A pressure plunger which consists of a hollow lower tube inserted into a clogged toilet or drain causing no significant displacement, of fluid. After the lower tube's compressible end is fixedly attached to a fluid channel, the actuator cylinder may be inserted into the lower tube to create pressure downward and upward to remove blockage. Unlike other designs this plunger consists of two separate sections, each integrally formed, which function together without assembly or disassembly. Vents near the top of the lower tube allow in air to release vacuum pressure when pulling near the top of the lower tube prohibiting fluid being pulled to the top of the lower tube. The lack of assembly and disassembly is also significantly different regarding cleaning and sanitizing. The upper actuator tube can be pulled out and cleaned on the outside and the lower tube can be easily cleaned from either end.

Abstract: The present invention is directed to a toilet that includes a slanted fill tube with an optical proximity sensor positioned on or within the inner surface of the fill tube. The optical proximity sensor includes an incoherent light source and a photodiode. The optical proximity sensor as disclosed herein detects small changes in volumes added to a toilet bowl. Consequently, small volumes of excrement that are deposited in the toilet bowl by a user may be detected with greater accuracy. In some embodiments, information about the volume of urine or feces deposited into the toilet bowl is recorded and calculated by a processor. Other sensors, including a toilet bowl water level sensor and a gas sensor may collect data in combination with the optical proximity sensor to provide more complete information about the user's health.

Abstract: The toilet ventilation apparatus is mounted within a toilet. The toilet ventilation apparatus is an exhaust fan system that draws air from the tank of the toilet into a piped conduit that discharges the directly into the DWV that by passes the gas trap. The toilet ventilation apparatus comprises an intake pipe, an exhaust fan, an intake valve, an exhaust hose, and a control. The exhaust fan and the control are mounted in the intake pipe. The intake valve is mounted on an end of the intake pipe.

Abstract: A helical drain for a toilet is disclosed. The present invention relates to a novel toilet drain configuration. Specifically, the novel toilet drain configuration comprises a helical loop trapway. The drain of the present invention exits the toilet bowl and forms a substantially vertical tubular loop running generally parallel to the width of the bowl or stool, or perpendicular to the longitudinal axis of the bowl or stool, before being connected to a sewer. The drain of the present invention functions like a P-trap syphon in removing the contents of the bowl. The diameter of the looped tubular portion of the drain may vary by approximately 20 percent or less in the direction of the sewer connection. Sensors may be placed on the drain to monitor drain contents, fluid levels, and drain performance. The drain may be fitted with valves to control the flow of fluids and gases through the drain.

Abstract: A rimless toilet pan (20) including a forward end (F), a rearward end (R), a pan bowl (28), a flushing outlet (32), a flushing water inlet (30), an inwardly facing first sidewall (34), an inwardly facing second sidewall (37) and a flushing water flow splitter (38). The flushing outlet (32) is in fluid communication with the pan bowl (28). The flushing water inlet (30) is in fluid communication with the pan bowl (28). The inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). The substantially horizontal ledge (36) extends substantially around the bottom of the first sidewall (34). The inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). The flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b).

Abstract: The present invention is directed to a toilet that includes a liquid level sensor on the surface of a flush jet fill tube. The liquid level sensor is a noncontact electrical impedance sensor that is an electrical capacitor. The capacitor may be used alone or with other volume sensors to detect volume of materials added to a toilet bowl. Some embodiments include a processor which records data and provides reports that may be clinically useful to assess the user's health status. The temporal nature of the liquid level sensor measurements is particularly useful because urination or defecation may be measured over time. Not only are total volumes detected but rates at which waste is deposited into the toilet during the entire excretion event are detected. These measurements are particularly useful in assessing certain health conditions.

Abstract: A non-flushing urinal system with a large sealing and flow area using a bell-shaped valve with supporting ribs on its interior surface, which utilizes low “crack pressure,” or ease of initial opening to create for high flow rate and superior sealing.

Abstract: Drainage promoting fabrics having commercial applications (e.g., housewrap) are provided. The drainage promoting fabric, according to certain embodiments of the invention, includes a weather resistive barrier having an outer surface, and a three-dimensional, non-uniform or non-continuous meltblown layer positioned on the outer surface of the weather resistive barrier. The meltblown layer may comprise meltblown shot, meltblown ropes, or both.

Abstract: An insulation system for coupling to a building substrate comprising a plurality of insulation panels, bracket members and splice members. Each insulation panel includes a longitudinal slot. Each bracket member is formed from a polymer and includes an elongated body having a body wall, a first end wall and a second end wall. Upper and lower ribs extend from the body wall and are structurally configured to extend into the longitudinal slot of each of the plurality of insulation panels, and to elastically deform the longitudinal slot so as to effectively seal along a length thereof, defining a vapor barrier. A similar structure is on each splice member. The bracket members are positioned in a spaced apart relationship with insulation panels therebetween. The upper and lower ribs extend into corresponding ones of the longitudinal slots of the insulation panels, with splice members extending between adjacent adjacently abutting insulation panels.

Abstract: A loosefill insulation installation includes a loosefill insulation material made from fiberglass fibers. The loosefill insulation material unexpectedly has improved thermal performance, even through the amount of mineral oil applied to the fiberglass fibers is reduce. For example, the fiberglass fibers can be coated with a mineral oil in an amount that is between 0.1% and 0.6% of the weight of the fiberglass fibers, such as about 0.375%.

Abstract: Fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material. The fire-retardant material can be attached to compressible backer rods inserted within deflection gaps in the wall systems such that the fire-retardant material expands and seals gaps and/or areas between the tracks and wall components such as ceilings, floors, and drywall. Various assemblies and methods can be used to cover the deflection gap.

Abstract: An acoustic modulation system for a physical space, said system comprising: at least one acoustic panel, each of said at least one acoustic panel movably attached to a frame; a motor for moving said at least one panel relative to said frame, said motor mechanically connected to each of said at least one panels; a programmable controller, said controller operatively connected to said motor, said controller adapted to selectively engage said motor to move at least one panel of said at least one panel.

Abstract: A concrete form panel system and method includes a screen grid insulated concrete form panel for use in a wall system. The screen grid insulated concrete form panel includes a filled concrete thermal mass of the wall system located on an interior face of the wall system with expanded polystyrene insulation on an exterior side of the wall system, which results an enhanced thermal stability and isolation of an interior climate of a structure constructed utilizing the wall system.

Abstract: Sealing element (1) for sealing joint gaps between elements of a facade of element mode of construction, wherein the sealing element (1) comprises a connecting flange (2) for securing the sealing element (1) to the facade element, and one or more sealing lips (3).

Abstract: A method and an article of manufacture are disclosed for externally reinforcing various solid structures, such as columns, poles, piles, beams and the like, against buckling under compressive forces and loads. In various embodiments, a seamless multi-layer jacket is constructed around the structural member by wrapping a thin sheet of material around the structural member, as many times as needed, at a distance from the structural member. While maintaining the thin sheet of material wrapped around the structural member, a filler material will fill the annular space between the jacket and the structural member, wherein the structural member, the jacket, and the filler material cooperate to better resist the buckling of the structural member when subject to compressive forces and loads.

Abstract: To provide a prestressed concrete which can be used for non-primary structural members such as general building members by using a chemical stress induced by an expansive material and a mechanical stress induced by a rust-resistant wire together and achieving reduction in weight and suppression of cracking. A prestressed concrete for non-primary structural members is characterized in that a mechanical stress induced by a tensional material and a chemical stress induced by an expansive material for a concrete are introduced and that the tensional material is a rust-resistant continuous fiber reinforcing wire.

Abstract: A compressible foam closure for roof panels includes a core having an elongate body defining a longitudinal axis. The elongate body has at least two opposing sides and defines a thickness. A plurality of slits are formed in the core, into the thickness, extending from the at least two opposing sides toward the longitudinal axis. A thin, flexible, water impermeable skin covers the core. The slits can be formed fully through the core to form slices of the core that are stacked together.

Abstract: Provided herein is a sheet fixing frame, which is installed on a circumference of an installation subject and secures an end of a cover sheet for finishing an installation subject area, the sheet fixing frame including a fixing frame which has a fixing plate contacting the installation subject area, a fixing hook which is bent in one end of the fixing plate and to which an end of the cover sheet is coupled, and a supporting plate which is bent in a direction parallel to the fixing hook in another end of the fixing plate so as to provide a receiving space between the fixing hook and supports the cover sheet, wherein the fixing frame is placed on the circumference of the installation subject area; a fastening member which penetrates the fixing plate between the fixing hook and the supporting plate and is fastened to the installation subject area; and a supporting member which has a coupling to which the supporting plate of the fixing frame is inserted at its one end, and a supporter which supports the cover she

Abstract: A system for supporting exterior panels on a substrate of a building structure. The system has a plurality of polymeric bracket members, and each of the bracket members have at least one anchor section, at least one web section and at least one support section. The polymeric bracket members provide a thermal break from the exterior panel to the substrate of the building structure. A plurality of exterior cladding units are held in place by the bracket members. A plurality of vents are disposed between the panels and the exterior panels, and a plurality of vents are also disposed between the panels and the substrate, thereby forming a ventilation system.

Abstract: A precast panel with plastering-like appearance is provided. The panel is built from a wooden substrate on which at least a mineral layer is prebuilt. When affixed to a wall, the wooden panel gives a visual effect simulating plastering. The panel has advantages inherited from its wooden substrate such as lightweight, economical and easy transportation, while exhibiting exclusive and fishable feeling like plastering, thereby serving as a low-cost yet high-quality choice for consumers.

Abstract: A flooring deck system comprising a plurality of panels having at least two layers including a substantially rigid sheet layer of substantially inorganic material and a substantially rigid inorganic foam layer, the substantially rigid sheet layer having a flooring surface and a joining surface configured to attach to the substantially rigid inorganic foam layer, and the substantially rigid inorganic foam layer having a connecting surface configured to attach to the joining surface of the substantially rigid sheet layer, and an underside surface configured to contact a foundation floor, wherein the substantially rigid inorganic foam layer is configured to support both a static and live floor load gauged for a floor.

Abstract: The invention includes an access structure integration assembly and an integrated system using the assembly. An access structure integrated assembly includes at least one channeled structure and at least one joist socket slidingly engaged with the channeled structure. The channeled structure is configured to secure to a base structure, such as a suspended work platform system, and the joist socket is configured to secure to a second structure, such as a supported work platform system. An integrated system includes a base structure, a second structure and at least two integration assemblies, each assembly including a channeled structure secured to the base structure and a joist socket secured to the second structure and slidingly engaged with the channeled structure.

Abstract: An expandable, mobile structure is capable of sustaining a retracted state and an expanded state, and may be capable of alternately using public utilities as a power supply, or a self-contained “off-grid” power supply. This allows for use of the mobile structure in a multitude of locations, which are not governed by the presence or absence of an available external power supply. The structure may operate in an “on-grid” power mode when in an expanded condition, and in an “off-grid” mode in a retracted condition. The structure includes a different number of zones within the structure in the retracted state as compared to the expanded state. A modular HVAC system provides a different flow path of air in the retracted state and the expanded state.

Abstract: A pool cover apparatus includes a sheet of corrugated polyethylene as a vapor barrier, where the sheet is wound onto a storage shaft when not in use. A drive shaft is disposed in a spaced-apart relationship with the storage shaft. When it is desired to deploy the sheet to cover the surface of a pool, the sheet passes over the drive shaft and the corrugations on the polyethylene sheet engage with the teeth on the drive shaft. Thus, as the drive shaft rotates, it causes the vapor barrier sheet to continue to move out and away from the shafts and cover the pool. Conversely, when it is desired to remove the sheet from the pool, the storage shaft is engaged, rotating in a manner that functions as a take-up reel and winds the vapor barrier sheet up on the shaft for storage.

Abstract: A pool return fitting assembly with a pool return body, a pool return cover with an opening aligned with the pool return body's opening. The outer surface of the pool return cover may include an uneven surface bordering the opening with barriers projecting out from the pool return cover away from the pool return body, the barriers separated by channels in fluid communication with the opening through the pool return cover. A fin is positioned within the opening of the pool return cover and tapers towards the interior surface of the pool return body as the fin extends farther away from the pool return cover.

Abstract: An inflatable pool is includes a floor drain having a drainage conduit and two sealing plug. The drainage conduit includes a midsection pipe having an oblong cross section, an inlet cap having a truncated profile, and an outlet cap that transitions from the oblong profile of the midsection to a cylindrical profile.

Abstract: A containers shelter is formed from a base array of 20 ft containers, having a sheltered inner area therebetween, and, from a second floor of 40 ft containers that are connected to the base array of containers and cover entirely the sheltered inner area. The containers are filled with a filling material. The base array comprises an entrance container having an inner opening that is transversely directed to an outer opening.

Abstract: Apparatus for allowing ventilation as usual for underground tunnels through a ventilation shaft opening to atmosphere yet preventing underground flooding from surface waters pouring through the grate, comprises an assembly that fits within the ventilation shaft and includes one or more panels held in an upright home position that allows ventilation as usual but is releasable to rotationally gravitate to a lower sealing position closing a passage between the ventilation shaft and atmosphere to prevent water from entering the underground tunnels. A panel position indicator moves from a hidden position to a visible position with lowering of the panels to visually signify that the panels are lowered and that flooding protection is activated.

Abstract: A calculus structure has a plurality of unit components and a plurality of joint components is provided. The unit components and the joint components are adapted to form a target structure. Each end of each of the joint components has an embedding construction or an embedded construction. Each of the unit components and the joint components has a bore therein for communication with each other. The bore is adapted to allow a cascading part to pass therethrough so that the unit components and the joint components are cascaded together by the cascading part, and the unit components and the joint components are movable relative to the cascading part so that the unit components and the joint components abut against each other in a cascading order to form the target structure.

Abstract: Systems, methods, and apparatus include a modular tent comprising an upper tent portion having a first base surface area, wherein the upper tent portion does not include a floor surface; and a base extension that includes a floor surface having a second base surface area, the second base surface area being larger than the first base surface area, wherein the base extension is removably secured to the upper tent portion, wherein the base extension, when secured to the upper tent portion, results in a base surface area of the modular tent increasing to the second base surface area.

Abstract: An improved concealed screw handleset for a door is described. The handleset assembly has a handleset, a mounting plate, and a face plate. The handleset and mounting plate are fastened together on opposite sides of the door via one or more assembly screws. The assembly screws are inserted from the mounting plate side of the door and are not visible from the handleset side of the door. The faceplate mounts on the mounting plate via two threaded collars. The faceplate completely covers the mounting plate and the assembly screws. In this manner, the handleset assembly provides a concealed screw design that is very easy to assemble and install. In other aspects, the mounting plate has a rotatable stem for mounting a turn-piece. The stem has one or more catches to hold the turn-piece in different positions.

Abstract: A complex lock assembly structure comprises a body, a pressure-cylinder actuator, a door fastener and a mechanical lock. The front of the body has a frame. The pressure-cylinder actuator and the door fastener are disposed on and exposed from the back of the frame. The pressure-cylinder actuator and the door fastener actuate each other. The mechanical lock is disposed inside the frame on the front of the body and used to control and limit the movement of the door fastener.

Abstract: The present invention is directed to a lock arrangement where a cylinder type lock with a skirt can be correctly positioned and orientated in a door latch by the use of complementary profiles that enable insertion in only one position and thereby provide ease of use and confirmation that the lock has been correctly inserted and locked.

Abstract: Door sensor hardware is provided that automatically senses the orientation of a door. The door sensor hardware includes electronic circuitry and sensor(s). The sensor(s) determine a current orientation of a door (open, closed, ajar), recent movement, door swing speed, and door acceleration. The door sensor hardware is in communication with at least remote device. The remote device includes a user display to facilitate calibration of the door sensor hardware by a user. The remote device also provides the user with the door orientation as determined by the door sensor hardware.

Abstract: A padlock and cabinet lock fingerprint lockset includes a resetting component, a fingerprint setting switch and a PCBA control module. The fingerprint setting switch is connected to the signal input end of PCBA control module. The fingerprint module has a fingerprint resetting module and a fingerprint initial value setting module which are connected to the signal output end of PCBA control module respectively. The PCBA control module can activate the fingerprint resetting module and fingerprint initial value setting module when the fingerprint setting switch is activated. When the padlock or bolt is pressed down to touch the fingerprint setting switch, the fingerprint setting switch makes the PCBA control module generate a loop by line connection, so as to implement fingerprint initial value setting or fingerprint resetting. The probability of misoperation is low, preventing the failure in opening the fingerprint lock when a child mishandles the fingerprint lock.

Abstract: The invention relates to a transportable device for preventing a loss of a movable object, comprising a protective housing (2) for protecting the device (1), an electronic alarm device (35), which is arranged in the protective housing (2) and has an anti-theft alarm function, and fastening means (11) for detachably fastening the device (1) to the movable object, wherein the fastening means (11) comprise at least one wrap-around element (12; 46; 52; 59; 68) for wrapping around at least one part of the movable object and wherein the wrap-around elements (12; 46; 52; 59; 68) can be fixed by means of locking elements (19, 20, 21; 49, 50, 51; 55, 57, 58; 61, 63, 64, 65; 71, 72, 73), which are arranged in the protective housing (2), wherein the locking elements (19, 20, 21; 49, 50, 51; 55, 57, 58; 61, 63, 64, 65; 71, 72, 73) can be selectively opened and closed by means of a lock device (13) rigidly connected to the protective housing (2), and wherein additionally the protective housing (2) can be selectively opene

Abstract: An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.

Abstract: A closing device for closing door-leafs of doors or windows is disclosed which has a plate or rod body, associated with the frame which delimits a door-leaf and which is connectable to maneuvering means, and a closing member, which is fixed to the plate or rod body and adapted to be coupled with a corresponding abutment body fixable to the fixed framework of the door or window or to the frame which delimits another door-leaf of the door or window. The closing member has a shank which is fixable to the plate or rod body and a stud body which is coupled to the shank through coupling means which allow adjusting the position of the stud body along the longitudinal axis of the shank, wherein the stud body is adapted to be coupled with a corresponding seat in the abutment body.

Abstract: A latch assembly with a first mounting plate and a second mounting plate. The assembly includes a first latch holder extending from the first mounting plate. A second latch holder is provided that extends from the second mounting plate. The assembly includes a latch arm including a first portion and a second portion. The latch arm is movable between an unlatched position and a latched position and is selectively reversible to be pivotally connected to either the first latch holder or the second latch holder.

Abstract: The present anchor device provides a support for holding a security anchor within a hole, such as a grommet hole, formed through a work surface, such as a table top, a shelf, or other board or sheet. The security anchor has a loop for attaching a lock or receiving a cable lock wrapped about the loop and a cross member to prevent the withdrawal of the security anchor from the grommet hole. The anchor device has a cross member with a dipped portion that supports the loop of the security anchor. The present support device prevents the security anchor from falling down through the hole, while holding the loop of the securityanchor just within the hole and within easy grasp of the user.

Abstract: A vehicle door latch assembly for maintaining the vehicle door in a closed position including during an angled impact to the door latch of the vehicle. The latch assembly includes a catch, a pawl, and an actuator coupled to a door latch base. The catch is movable to and from a closed position wherein the catch is configured to grasp a portion of a striker coupled to the vehicle to maintain the door closed. The catch is also movable to and from an open position wherein the catch is configured to release the striker to allow the door to open. The pawl is configured to maintain the catch in the closed position until the door handle is actuated. The latch assembly includes a blocking plate including an extension member which is deformable during an impact to align with one of or both a pawl lifter and the pawl member to prevent their rotation and thereby maintain the latch assembly and the vehicle door in a latched position during such an impact.

Abstract: The invention relates to a lock (1) for an openable body section of a motor vehicle including: a lever (10) for opening said openable body section intended for allowing the opening of the openable body section; a locking means (12) configured to adopt an operative locking position in which said locking means (12) locks said opening lever (10) and an inoperative position in which said locking means (12) allows the movement of said lever (10); a resilient locking return means (14) configured so as to move said locking means (12) from the inoperative position to the operative locking position; and a triggering means (16) configured so as to adopt an inoperative position in which said triggering means (16) locks the locking means (12) in the inoperative position thereof and an operative unlocking position in which said trigger (16) releases said locking means (12) in order for the later to pass from the inoperative position to the operative locking position, the opening lever (10) including a driving means (11c)

Abstract: A door handle mounting device for a motor vehicle includes a door handle mount with a receiving space and a closing device attached to the door handle mount which is accommodated at least in part in the receiving space. The closing device includes a housing and a cylinder core rotatably supported in the housing and an actuator that is non-rotatably connected to the cylinder core for actuating a lock of the motor vehicle. A return element which exerts a return force on the actuator retains the actuator in its initial position or returns it thereto. The actuator is adapted to be rotated against the return force of the return element from the initial position and to an unlocking position or into a locking position. The return element is disposed lying radially surrounding the cylinder core and outside of the housing.

Abstract: A check and release mechanism for holding a door in a desired opened position against the force of a closing cylinder includes an operator rod moved with the door which rod has a latch element pivotally mounted to one side of the rod and is moved along a guide slot in a mechanism case, by opening movement of the door into an enlarged engagement chamber, and the leading end of the latch element engages a first fixed feature therein at the approximate location where it is desired to hold the door open. That engagement causes a slight tilting of the latch element and stops further opening advance of the door and operating rod. A slight retraction of the door and the operating rod caused a trailing end of the tilted latch element to engage a second fixed feature in the chamber which causes the latch element to tilt further in the same direction preventing further closing movement of the door.

Abstract: A three-dimensionally adjustable pivot set may support a pivotable element such as a door. A pivot set housing has an adjustable pivot hub adjustable in lateral dimensions by set screws passing through the housing, the set screws bearing against the pivot hub and being adapted to move the pivot hub in corresponding independent directions when turned. The pivot set is attached to a pivotable element by an adjustable-height assembly for adjustment in a third dimension.

Abstract: A concealed hinge for a turn-tilt window with a fixed frame and a leaf is provided with a scissor mechanism with a main arm having at a first end a hinge for fastening the concealed hinge to the top of the leaf, and is hingeably connected at a second end to a scissor hinge that is intended for the connection to the frame. The scissor hinge is composed of two scissor arms that are hingeable with respect to one another in such a way that the concealed hinge can be folded up. The main arm and the scissor arms extend above one another and parallel to one another in a horizontal direction. In the folded-up situation of the concealed hinge, when viewed vertically the main arm, with a section at the second end, is located above at least one of the scissor arms of the scissor hinge.