Abstract: A body armor includes an armor plate, an electrical energy storage layer conforming to a surface of the armor plate, and a first electrical connector operably associated with the electrical energy storage layer. An armored garment includes a garment, an armor plate operably associated with the garment, an electrical energy storage layer conforming to a surface of the armor plate, and a first electrical connector operably associated with the electrical energy storage layer. A garment includes a body, a first pocket, and an electrical energy storage unit disposed in the first pocket.

Abstract: A wetsuit is provided with knee pads. Each knee pad comprises a ring of relatively stiffer elastic material extending around the kneecap of the wearer to provide compression around the kneecap of the wearer, and a central region of relatively less stiff elastic material that rests on the kneecap of the wearer. A compression strip extending along a region corresponding to the medial collateral ligament (MCL) of the wearer may also be provided. The wetsuit may provide enhanced proprioception feedback to a wearer in the subject region of the wearer.

Abstract: The invention relates to a piece of clothing, particularly for use in athletic activities such as jogging, skating, skiing, or the like, provided with pads in the regions of the outsides of joints, wherein the pads (1) are formed by ribs (4) located on the side oriented toward the skin (3) adjacent to each other and oriented substantially at right angles to the longitudinal axis of the piece of clothing, and the ribs (4) are decoupled from each other.

Abstract: The present invention relates to a signage system (10) comprising: a plurality of textile products (12) each comprising a flexible display device (16). For controlling the displays (16), the system further comprises a central unit (14, 24) adapted to emit at least one control signal, each of which being a sound signal or a light signal. To this end, each textile product further comprises means (20, 26) for detecting the control signal(s) emitted by the central unit (14, 24), and means (18) linked to the detection means (20, 26) and display (16) for controlling the display (16) in accordance with the detected control signal(s). The present invention also relates to a method, central units and uses of such for controlling a plurality of flexible display devices each comprised in a textile product.

Abstract: A sweatshirt is disclosed that has a main body with a front panel and a back panel. The front panel includes an inner surface and an outer surface. The back panel also includes an inner surface and an outer surface. A pair of pockets each having a slit is positioned on a lower edge of the front panel proximate the opening. At least one closure means extending along at least one closable portion of the pair of opposing edges includes a bottom zipper and a little zipper. The bottom zipper defines a first row teeth and a second row teeth extending along the pair of opposing edges in the front panel. The little zipper also defines a first row teeth and a second row teeth extending along the opposing edges of the pair of pockets, each being proximate the bottom zipper.

Abstract: The present invention discloses a garment that is designed to prevent a child in a car-seat from removing his or her arms from the shoulder straps that are part of the modern 5-point harness system found in most car-seats. The garment is configured like a jacket, through the front of which the shoulder straps are threaded, allowing for access to the front closure hasp of the harness and ensuring the closure hasp is across the upper chest, while comfortably restricting the child's movement out of the straps by virtue of the sleeves of the garment which are now made part of the harness system itself.

Abstract: The present invention relates to a locking device (2) for fixation of the position of an outer layers (4) relatively an inner layer (6) of a protective helmet (3), which protective helmet has a sliding layer (8) arranged between the outer layer and the inner layer, for facilitating displacement of the outer layer relatively the inner layer during an oblique impact towards the protective helmet. The locking device (2) comprises a layer-guiding member (10), that has an upper portion (12), which upper portion (12) is intended to be arranged in an opening (13) in the outer layer (4), and a resilient lower portion (16), extending from the upper portion (12), that in its free end (17) is arranged in connection to the inner layer (6). The present invention also relates to a protective helmet (3) comprising the locking device (2).

Abstract: The invention relates to a toilet seat with built in body weight meter, being connected to a bowl by hinge bearings and having force sensors and force transmitting elements on the lower side, wherein the force sensors are connected to a display. According to the invention the hinge bearings (3) comprise two bearing pins (6) perpendicular to the longitudinal axis of the toilet seat (2) and one bearing pin (8) parallel with the longitudinal axis of toilet seat (2) and the force transmitting elements (1) are independently adjustable in vertical and/or horizontal direction. The force transmitting elements (1) are adjustable in horizontal direction with eccentric wheels (15) and in vertical direction with washers (16) of different thicknesses. The force transmitting elements (1), and in several cases the eccentric wheels (15) as well, are at least partly covered with flexible protective caps (18).

Abstract: A motorized lavatory seat assembly has a motorization device for a lavatory seat assembly including at least one magnetic attraction unit moved by an actuator, separated by at least one wall supporting another unit of magnetic attraction connected to a seat assembly comprising a rotary base, which enables the lavatory seat and a lid to be moved from a horizontal position to at least a vertical position, and the actuator being activated by a control.

Abstract: The invention provided a drain plug system in which the top of the drain plug, or stopper is easily detached from the drain plug itself via a connector. The system further comprises a discrete and easily accessible generally tubular debris collector having a plurality of radial projections, where the collector may be placed about the upper stem of the drain plug. The radial projections may be arranged in one of numerous possible arrangements, and each of the projections may extend in one of multiple different lengths, with a maximum determined by the drain pipe size. With the present system, the user may easily access the debris collector and either clean it or replace it with a fresh one, discarding the used one, without needing to remove the drain plug from a basin drain.

Abstract: The invention relates to a toilet system (1) for installation in a vehicle, wherein the toilet system comprises the following components indicated: namely a base (2) which is to be fixed to the vehicle and has a top wall portion, also a toilet bowl (3) which is borne by the top wall portion of the base and has a top peripheral portion preferably bearing a toilet-seat ring (6), further a sewage-retention tank (15) which, in the use position, is arranged, at least in part, beneath the top wall portion, and additionally a guiding, retaining and coupling device which is configured such that the user—preferably from the outside of the vehicle—can pull the correspondingly formed sewage-retention tank out of its use position, in which it can be connected in a liquid-tight manner to the outflow of the toilet bowl (3), remove it from the vehicle and then replace it in said use position, wherein the toilet system (1) is configured such that, even after the base has been fixed to the vehicle, it is possible to make a se

Abstract: A method for constructing a concrete basin includes the steps of manufacturing concrete construction elements, transporting the construction elements to the construction site for the basin, joining the construction elements together to form a basin, and arranging covering on the inner side of the walls and bottom of the basin. The inner covering is arranged during the manufacture of the construction elements. The invention also relates to a basin manufactured with such a method and the elements to be used in the construction of such a basin. The basin can be a swimming pool basin or a pond basin. By first covering the construction elements on their inner side and then transporting them to the site and installing them the construction process can be better managed and the working time on site is shortened.

Abstract: A bathtub cushion has a mat sized and shaped to fit on a bottom of a bathtub. A cushion is coupled to and constrained by the mat. The cushion further comprises a plurality of separate and distinct cushions. The mat circumscribes the plurality of separate and distinct cushions. At least one attachment device is coupled to the mat to retain the mat on the bottom of the bathtub. The mat and the cushion include at least one aperture extending therethrough.

Abstract: A surround for use in a bath or a shower has a back and a side. The side has a protrusion extending therefrom. An open shelf attaches to either the back or the side. The protrusion at least partially restricts a view of the shelf.

Abstract: A shower curtain rod is a multiple-sectional rod composed of two supporting rods and at least one extension rod pivotally connected between the two supporting rods to allow a shower curtain sleeving and suspending thereon. Distal ends of the two supporting rods rotatably combine with pivotal hinge assemblies to mount on the walls respectively so that the extension rod is driven to different orientations by pushing and rotating one of the two supporting rods to selectively bend the shower curtain rod inward or outward to make the shower space variable with maximum benefit.

Abstract: A patient positioning apparatus including at least one dampened belt retractor, a base, a support column, at least one positioning arm on the support column capable of being positioned over a bed and having a buckle and strap capable of securing to a patient support connected to bed linens or other flexible member so that a patient can be partially or totally suspended when an adjustable bed is lowered or when the patient support is raised.

Abstract: A modular bed frame has ladder-like side frames with upper and lower side rails, and ladder-like end frames with upper and lower rails. The side and end frames telescopingly attach to the ends of upper and lower rounded corner rails on separate corner assemblies at the four corners of the assembled foundation. The rounded corner rails are rigidly supported as a unit by upright bracing members. The insides of the side frames carry tubular upright fittings for increasing vertical rigidity. These fittings support upwardly opening tubular sleeves that receive right angle corner connectors on the ends of spaced apart and parallel horizontal slats that traverse the bed frame from end to end when assembled by a user. Separate bed-elevating assemblies positioned at or near the corner connector assemblies elevate the assembled foundation above the floor.

Abstract: An adjustable bed is provided having a mattress, a mattress support, and an attachment panel for removably attaching the mattress to the mattress support. The attachment panel can be disposed along at least a portion of at least one side of the mattress and extends below a bottom surface of the mattress. The attachment panel is attached to an underside of the mattress support.

Abstract: A play system for children, includes a playmat constructed and dimensioned so as to be foldable from a flat condition for normal use as a mat, to a folded condition defining a receptacle; and a plurality of play pieces for use on the playmat when in its flat condition, and adapted to be received within the receptacle defined by the playmat when in its folded condition. The playmat, and at least some of the play pieces, include mateable fastener elements for releasably retaining the play pieces on the playmat when in its flat condition. Fastener elements are located on the playmat at preselected locations thereon to thereby locate and stabilize the play pieces carrying mateable fastener elements at the preselected locations.

Abstract: The invention concerns a bedmaking system (1) for a bed (10) provided with a base mattress (11), the bed making system comprising a flexible topping mattress (12) for covering the base mattress; two fastening feet (5) for fastening the be system to the bed; an essentially U-shaped brace (2) defined by two parallel arms (3) and a bar (9) connecting one of the ends of the arms. The other ends of the arms are each mounted to a said fastening foot at a pivoting connection to be swingable around a common pivoting axis between a normal position and an assisting position. The bar of the brace extends along the first length edge (20) of the topping mattress and is mounted to said first length edge. The second length edge (21) of the topping mattress extends along the second length side of the base mattress. In the normal position, the bar of the brace extends along the first length side of the base mattress and the topping mattress lies flat on the base mattress.

Abstract: This invention is a child blanket that can be made from various type of material or fabric in color, patterns and texture. The blanket can vary in sizes and lengths. The unique invention allows the child to safely be put inside the enclosed blanket with an elastic band opening combined with Velcro securing under the arms for a snug fit. The safe enclosure will ensure a snug fit around the child to keep warm and also give a swaddled feeling of comfort to the child. The blanket has plenty of room for movement in the leg area and allows the child to comfortably reposition if needed. Since the opening is gathered by the elastic band and secured under the arms, the blanket provides a warm and safe solution for the child by decreasing the risk of SIDS. The blanket would not be able to cover the face or be pulled over the child's head, allowing for a safe resting period or sleep. The design is intended for newborns to 18 month old but not limited too.

Abstract: A duvet clamp is disclosed which enables a duvet to be readily fitted within a duvet cover. The clamp includes a frame that is configurable to receive a portion of a mattress, and at least one clamping arm for clamping the duvet and the duvet cover.

Abstract: A support surface includes a foam base layer including a foam bottom layer and a pair of foam side edges disposed adjacent sides of the foam bottom layer. The foam side edges are firmer than the foam bottom layer. A honeycomb material layer is disposed over the foam base layer, and a cover surrounds the foam base layer and the honeycomb material layer. The combination of foam and honeycomb material provides an effective support surface resulting in superior pressure relieving characteristics, resistance to bottoming out, good edge support, and reduced manufacturing costs.

Abstract: A mattress embodying a foam encasement surrounding individually wrapped coils and lacking a barrier separating upholstery layers from the coil assembly. Border material is affixed to sidewalls forming the foam encasement and the upholstery layer is tacked to a base of the foam encasement.

Abstract: In one embodiment, a mattress is constructed of a core having a first side and a second side. A padding layer is positioned at the first side of the core and has a contoured surface and a planar surface. A layer of individual fiberballs is disposed on the planar surface of the padding layer.

Abstract: A utility bar includes a shank portion for providing a grip, the shank portion including a first end and a second end, a substantially arch-shaped head portion extending from the first end of the shank portion, and a pry bar portion extending from the second end of the shank portion. Each of the head portion and the pry bar portion define a free end of the utility bar. The utility bar also includes a first facet including the free end of the head portion, a second facet extending from the first facet at an angle with respect to the first facet and positioned between the free end of the head portion and the shank portion, and a first fulcrum edge between the first and second facets for providing a first pivot point about which the utility bar is pivoted to provide leverage.

Abstract: A method for the antimicrobial finishing of synthetic fibers, in which an aqueous solution of an organic primer component (P), such as, for example, gallic acid, and, as antimicrobial component (K), at least one organic quaternary ammonium compound, and a metal salt component (M) are applied at the same time or at a different time to the fibers, permits permanent antimicrobial finishing.

Abstract: The present invention concerns the use of pigment and dye combinations for enhanced whiteness of fabrics during laundering.

Abstract: Compositions, articles and methods are provided for supplying fabric care benefits to clothing or fabrics in an automated washing machine and by manual washing. The fabric care compositions preferably have less than about 5% detergent surfactants, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. Similarly, the fabric care compositions preferably have less than about 5% fabric softener actives, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. The laundry articles can take a variety of forms in a variety of physical states all of which will rapidly dispense a unitized amount of one or more selected fabric care agents to a wash and/or rinse bath solution during the laundering process under a variety of conditions.

Abstract: A washing machine and a method of controlling the washing machine are provided. In the washing machine and the method of controlling the washing machine, a liquid detergent is automatically supplied into a washing tub, thereby improving user convenience. In addition, in the washing machine and the method of controlling the washing machine, a liquid detergent is supplied into the washing tub by water circulated by a circulation unit. Thus, no liquid detergent remains in a liquid detergent supply path, and the liquid detergent supply path can be prevented from being blocked due to the solidification of a liquid detergent.

Abstract: A hair dye composition containing a triazene dissociative direct dye represented by general formula (1): A—N=N—NH—B (1) wherein A and B are each a monocyclic or a bicyclic aromatic heterocyclic group that may have a substituent or a monocyclic or a bicyclic aryl group that may have a substituent and contain none of a carboxy group, a sulfo group and a quaternary ammonium group; and A and B each bind to a triazene-1,3-diyl group represented by —N=N—NH— via a carbon atom within A and B each. A and B may be the same or different.

Abstract: Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping.

Abstract: Disclosed is a boot shape keeper capable of holding a boot in a fixed shape, removing malodor from the insole of the boot by allowing the insole of the boot to be opened to outside air while the boot is held, and capable of adjusting the height to the shaft part of the boot. The boot shape keeper, which is inserted into a shaft part of a boot to keep a shape of the shaft part of a boot, includes a cylindrical body part made by forming a plastic sheet having a gas pre-encapsulated into a cylindrical shape, and at least one projecting part projecting downward from a lower end of the body part, wherein the body part has a fixed shape provided by the encapsulated gas, and the projecting part has a gas pre-encapsulated, and allows the gas to be fed into and out between the body part and the projecting part, so that the projecting part is elastically contractable up and down.

Abstract: Disclosed is a boot shape keeper capable of holding a boot in a fixed shape, removing malodor from the insole of the boot by allowing the insole of the boot to be opened to outside air while the boot is held. The boot shape keeper 1, which is inserted into a shaft part 21 of a boot to keep a shape of the shaft part 21 of a boot, includes a cylindrical body part 30 made by forming a plastic sheet 10 having a gas pre-encapsulated into a cylindrical shape, and a through hole 42b provided at a lower portion of a side wall surface of the body part 30, or a groove portion formed at a lower end of the side wall of the body part 30, wherein the body part 30 has a fixed shape provided by the encapsulated gas.

Abstract: A retractable ramp system mounts a slideable ramp between lateral rail members which extend the length of a truck chassis and a container mounted thereon. The ramp is slideably suspended from a guide rail running parallel to the lateral rail members by means of a carriage component, itself slideably mounted within the guide rail. It is readily and easily extended and retracted by one person. When positioned directly on a truck chassis, the rail system is located above the hydraulic, electrical, and other mechanical systems positioned within the well of the truck chassis, such that the ramp is slideably moveable over these system components without interfering with them or any other part of the truck chassis. The ramp system is conveniently used for loading and off-loading containers which rest on the truck chassis or which are elevated above the chassis.

Abstract: Assemblies and methods for a booster pump used in a pool cleaning/filtration system are provided. An exemplary booster pump assembly is adapted to increase the water pressure of water flow for use in a pool cleaning system. The booster pump includes a front housing defining a substantially circular geometry having an inlet positioned substantially in the center of the front housing and extending axially outward with respect to the front housing. The booster pump also includes an outlet extending substantially laterally with respect to the front housing. The front housing and the rear housing form an enclosure for positioning of an impeller. The inlet and the outlet are each coupled to conduits having substantially similar flow diameters, and the water passing through the outlet at an increased water pressure is sufficient to make operable a positive pressure pool cleaner. Advantageous support structures and drain plug configurations are also provided.

Abstract: A piezoelectric debris sensor and associated signal processor responsive to debris strikes enable an autonomous or non-autonomous cleaning device to detect the presence of debris and in response, to select a behavioral mode, operational condition or pattern of movement, such as spot coverage or the like. Multiple sensor channels (e.g., left and right) can be used to enable the detection or generation of differential left/right debris signals and thereby enable an autonomous device to steer in the direction of debris.

Abstract: A machine for cleaning the soles of shoes, in particular for personnel locks (entries) in hygienic exclusion areas such as clean rooms, includes a wiping grid (4) composed of grate bars (5) as well as a trough (2) which is arranged below the wiping grid (4) and inside which two rotatably driven roller brushes (3) are arranged that reach between the grate bars (5) of the wiping grid (4) with the top circumferential areas (3.1) thereof to wipe the soles of shoes. The machine is equipped with a wetting apparatus (7, 8) in the area of the trough (2) in order to apply water and liquid cleaners in order to clean soles of shoes and is also equipped with a liquid discharging device (15) at the bottom area of the trough (2). A cleaning device (12) for the roller brushes (3) and the interior of the trough is additionally arranged in the area of the trough (2) that automatically cleans the interior of the trough including the roller brushes.

Abstract: An electric-electronic toothbrush carries a brush driven to vibrate, and arranged to flow an electric current into a user's oral cavity for promoting removal of tooth plaque. The electric-electronic toothbrush has a shaft driven to vibrate along and/or about an axis of the shaft, and a battery supplying the electric current. The shaft is electrically conductive to flow the electric current into a brush electrode of a brush head. The shaft is electrically connected to the battery by way of an extendible electrically conductive coupler within the handle. The electrically conductive coupler has its one end secured to the shaft, and the other end to an electrically conductive member connected to one of poles of the battery, so as to absorb the vibration of the shaft. The handle is provided on its outer peripheral surface with a touch electrode.

Abstract: This invention relates to a mechanism for use in a device that comprises a system for collecting dirt and debris from a variety of floor and upholstery surfaces. In particular the mechanism lifts and directs unwanted debris particles to a waste reservoir for the purpose of cleaning and grooming floor surfaces. The debris collection mechanism can be, but is not limited to its use in a handle operated cordless motorized floor sweeper to collect and gather unwanted debris and dust. The device includes a head unit that incorporates two easily removable elongate cylindrical rotating cleaning bars that are driven such that they contra rotate, and are positioned close to one another at the forward region of the head unit. A removable debris reservoir, removable rechargeable power source and handle incorporating a device operation switch are also included.

Abstract: A cleaning apparatus capable of absorbing water present between an automobile door panel and a door window pane is provided. One embodiment of the cleaning apparatus includes a cleaning member and a handle member. The cleaning member comprises a longitudinal member and an absorbing member. The absorbing member is capable of wrapping around the longitudinal member. The cleaning member is capable of being inserted between the automobile door panel and the door window pane. The handle member is perpendicularly attached to the longitudinal member at an end portion of the longitudinal member. Further, the handle member facilitates a user to insert the cleaning member between the automobile door panel and the door window pane for enabling the absorbing member to absorb water therefrom.

Abstract: Methods and apparatuses for removing carbon deposits from pistons of internal combustion engines with water are disclosed that avoid disassembly or overhauling the engines. In one aspect, a manifold having at least one water inlet and an internal passageway network is connected to a water source for delivering water to the cylinders through the manifold. The disclosed cleaning apparatus may be installed on a vehicle or provided as original vehicle equipment and used during normal engine operations. A method for cleaning carbon deposits in an internal combustion engine and a modified manifold for delivering water to the cylinders of an engine are also disclosed.

Abstract: One embodiment of an adjustable cleaning brush may include a handle and a head carried by an end portion of the handle. The head may include a base having a first surface, a second surface opposite to the first surface, and a neck pivotally interconnecting the head and the handle. The neck may be carried by the end portion of handle. The head may further include a plurality of bristles carried by the first surface of the base and a sponge member carried by the second surface of the base. The head may be movable to a plurality of angular positions with respect to the handle to permit the plurality of bristles and the sponge member to be adjusted for cleaning a surface.

Abstract: A Completely Portable Lightweight Handheld Window Cleaning Kit that can be store easily in any cleaning cart, in any cabinet, on any boat, in any travel trailer in any vehicle or any convenient location for use of any glass window at anytime. This windshield/window cleaning kit cleans the any windows any time. This Completely Portable Lightweight Handheld Window Cleaning Kit is made of a tooled molded plastic that can be any size or shape, or any color. The Window Cleaning Kit has workable cleaning tools housed within its housing unit. Encased within the housing unit will be a spray bottle for holding the cleaning solution, a squeegee for wipe off the water sprayed on the window and a towel to wipe off excess fluid from the windshield/windows.

Abstract: A brush head of a toothbrush has a head body and multiple hair assemblies. The head body has a mounting surface and multiple mounting holes defined in the mounting surface. The hair assemblies are mounted respectively in the mounting holes. Each hair assembly comprising at least one bundle of soft hairs and a bundle of hard hairs. The at least one bundle of soft hairs is mounted in a corresponding one of the mounting holes and has a hardness. The bundle of hard hairs is mounted in the corresponding mounting hole, is enclosed by the at least one bundle of soft hairs and has a hardness larger than that of the soft hairs.

Abstract: The present invention relates to a method of manufacturing a needle-shaped bristle having a short taper length. The method includes preparing a bundle of toothbrush bristles by mixing a polyester resin (a polyester resin other than a PTT resin) and a PTT resin in a ratio of 90˜40 to 10˜60 and spinning the mixture thereof; cutting the bundle of toothbrush bristles; and tapering the cut bundle of toothbrush bristles by immersing it into a chemical. According to the present invention, since needle-shaped bristles having a taper length of 6 mm or less can be efficiently obtained, the needle-shaped bristles can be implanted even in an anchorless toothbrush.

Abstract: A handheld vacuum cleaner including an inlet, an outlet, and a dust cup having an aperture. The dust cup is in fluid communication with the inlet and the outlet and is configured to retain debris collected by the handheld vacuum cleaner. A fan is configured to draw air through the inlet and the dust cup and to discharge air through the outlet. A door is adjacent to the dust cup and includes the inlet. The door is movable between an open position to allow a user to empty the debris collected within the dust cup through the aperture of the dust cup and a closed position to inhibit debris from being emptied through the aperture of the dust cup and to allow debris to be collected through the inlet and through the aperture of the dust cup. A biasing member configured to bias the door toward the open position.

Abstract: A cyclone dust-collecting apparatus is provided. The apparatus may includes a cyclone chamber configured to separate dust from air which is drawn in along with the dust, a dust receptacle configured to store the dust separated by the cyclone chamber, a transparent case configured to surround the cyclone chamber and the dust receptacle, and a colored guide unit configured to form a spiral passage so that a whirling air current is formed in the cyclone chamber.

Abstract: A grommet 1, which is configured to be attached to a hole 10a in a panel 10, includes a cylindrical body 2 having along its entire periphery a locking recess 3 that is locked into the hole 10a. Also, on an outer surface of the body 2, there is provided two first ribs 8 spaced from each other and extending from one end of the body 2 to the other end of the body 2, and two second ribs 7. These first ribs 8 are provided on one side with reference to a virtual plane that includes a central axis P and an alternate long and two short dashes line Q. The second ribs 7 are provided on the other side with reference to the virtual plane. Also, a width of the first rib 8 is larger than that of the second rib 7.

Abstract: A concealed door hinge for installation between a door edge and a door frame has two leaf assemblies that can be recessed in the door frame and in the door edge. Each assembly has a pair of longitudinally spaced housing ends each formed with a throughgoing screw-mounting hole for securing the housing end to the edge or frame and a hollow middle part extending longitudinally between and fixed to the housing ends. A swivel mechanism has at least two parts that interconnect the leaf assemblies.