Abstract: A device (10) for controlling a flow of liquid, comprising a well (11) having an inlet tube (12) and an outlet opening (13), wherein the inlet tube (12) is arranged with an inlet opening (14) and a longitudinal axis (A), wherein the device further comprises a closing device (19) for at least partially closing the inlet opening (14), and a movable floating body (20), wherein the inlet tube (12) or the closing device (19) is operatively connected to the floating body (20) to control the closing of the inlet opening (14) by means of the closing device (19). The inlet opening (14) is arranged in an angle (a) to the outlet opening (13) of the well (11) to prevent a substantial part of the liquid from passing directly from the inlet opening (14) to the outlet opening (13) of the well (11). The invention also relates to a method for controlling a flow of liquid.

Abstract: A column shoe for securing building elements of concrete such as concrete columns to a base is provided. The column shoe includes a bolt housing, wherein the bolt housing includes a baseplate provided with a through bolt hole for an anchor bolt, and wherein the bolt housing includes an upper structure connected to the baseplate, and at least one attachment unit attached to the bolt housing for securing the column shoe and a building element together. The bolt housing is provided with at least one socket member for attaching an additional anchoring device such as a dowel or a bar to the column shoe in addition to at least one attachment unit and in addition to an anchor bolt.

Abstract: An Expandable Modular Information Technology (IT) Building Infrastructure (EMITBI) supports a large-scale modularly-constructed information handling system (LMIHS). The EMITBI includes: a base pad providing a fixed area of usable space on which one or more modular sub-components of the LMIHS can be placed; and a plurality of exterior walls extending vertically from an outer perimeter of the base pad and connected to a roof structure, the plurality of exterior walls and roof structure collectively providing an initial outer enclosure of the EMITBI, within which a first maximum number of modular IT components can be housed. The plurality of exterior walls includes at least one exterior wall that is constructed as a removable expansion wall (REW) that enables later expansion of the EMITBI to occur. The REW remains physically in place to shield the IT modules located within the first section of the EMITBI during construction of an adjoining expansion section.

Abstract: An arrangement includes a retainer and an insert. The insert has a pair of opposing walls. The opposing walls are spaced apart. The insert includes a cavity. The insert is partially received in a cavity in the retainer. The retainer arrangement can be used to retainably engage a barrier. At least a portion of an edge region of the barrier can be received in the cavity in the insert, and the barrier can pass through the spacing between the opposing walls of the insert.

Abstract: A sound damping wallboard and methods of forming a sound damping wallboard are disclosed. The sound damping wallboard comprises a gypsum layer with a gypsum surface having an encasing layer. The encasing layer is partially removed to expose the gypsum surface and form a gypsum surface portion and a first encasing layer portion on the gypsum layer. A sound damping layer is applied to the gypsum layer to cover at least part of the gypsum surface portion and the encasing layer portion.

Abstract: A sealing element for sealing a gap or joint between a support structure and a track is disclosed. The track includes a web and legs that extend vertically from the web. The sealing element includes a cover layer and an insulating strip disposed on the cover layer. The insulating strip includes a portion with a round, an oval, or a triangular cross-section.

Abstract: A flexible seat having a core formed from a plurality of laminar panels and each panel having a pair of oppositely directed major faces, said panels being inter-connected to provide a cellular structure upon movement of abutting faces away from each other, said panels being formed from a material having sufficient rigidity to provide rigidity to said core and weight bearing capacity as said seat when said core is expanded into said cellular structure upon extension of said core, a pair of vertically oriented supports located at opposite ends of said core, and said core is expanded when said supports are in abutment with one another to form a circular configuration of said seat.

Abstract: A framing structure includes elements that are integrally connected by a poured bonding core. The elements include a hollow-interior column having an opening in a wall that allows access to the interior and a beam having a cavity that is configured to receive a pourable bonding material. The beam is positioned with respect to the column such that the cavity is aligned with the opening. Flooring sections are supported by the beams.

Abstract: A purlin mounting system for use in a flat roof structure includes a purlin with a flat mounting wall and an upright wall extending perpendicularly from the mounting wall. First and second mounting shelves are attached to the upright wall and extend outwardly in opposite directions. Each mounting wall is positioned to receive an edge of a roof section thereon. The flat mounting wall and the upright wall define a vertical mounting channel extending from a lower surface of the flat mounting wall a distance less than the distance of the first and second mounting shelves from the mounting wall. A purlin positioning and mounting device is designed to be attached to a roof beam and includes a vertically extending support wall designed to extend upwardly from a supporting roof beam when attached to the supporting roof beam and to nest within the mounting channel.

Abstract: Rigidly foldable, foldable multi-body arrays or systems that may include three-dimensional bodies connected together by multiple hinges and reconfigurable between unfolded and folded configurations.

Abstract: Deck systems, deck system components making up the deck systems, and methods of assembling and disassembling deck system components and the deck systems are described herein. A box-frame can be assembled from box-frame-segments, angle clips, and fasteners. A box-frame can be supported by posts attached to the box-frame using post brackets and fasteners. Joist assemblies can be assembled using joist segments, joist spacers, and fasteners. Joist assemblies can be positioned within the box-frame. The joist assemblies can be secured to box-frame-segments or another joist assembly using roll-lock tabs and roll-lock tab receivers and locking tabs and locking tab retainers that are part of extrusions making up the box-frame-segments, joist spacers, or joist segments. Deck boards can be secured to the joist assemblies using deck screws or deck-clips. The post brackets can accommodate support posts below deck boards and railing posts extending above deck boards.

Abstract: A rooftop photovoltaic solar system is disclosed. The solar system comprises a plurality of photovoltaic modules forming a rooftop array, the rooftop array having at least one edge and a wind deflector positioned along the edge of the rooftop array, the wind deflector constrained in a first configuration by a fuse. In the first configuration the wind deflector comprises a deflecting portion adapted to deflect wind blowing on the rooftop above the rooftop array and a ventilation portion having a plurality of openings, the openings positioned to permit airflow under the rooftop array. The wind deflector assumes a second configuration upon release of the fuse. In the second configuration, the deflecting portion is elevated from the first configuration and the ventilation portion is positioned to permit less airflow through the plurality of openings than in the first configuration.

Abstract: A structure connection system is described that connects an exterior façade to an exterior framing. The structure connection system comprises a first section and a second section. The first section includes exterior sheathing, insulation sheathing and a plurality of batten plates. The exterior sheathing is adapted to connect to an exterior framing of an existing structure. The insulation sheathing is a thermal rigid insulation board sheathing. Each batten plate of the plurality of batten plates is a right angle elongate plate. Each batten plate has a first flat elongate leg and a second flat elongate leg. The second leg is inserted into the insulation sheathing and the first leg is positioned against the front planar surface of the insulation sheathing. Each batten plate of the plurality of batten plates is located in fixed spaced separation from the adjacent batten plate. A plurality of fasteners connect the first section into an integrated assembly.

Abstract: A decorative panel comprising at least a plate-shaped carrier and a decorative layer disposed thereon and which is characterized in that the plate-shaped carrier comprises at least partially a thermoplastic composition modified with an elastomer powder by means of melt blending, wherein the thermoplastic composition includes at least one thermoplastic matrix material and at least one fine-grained, cross-linked and powdery elastomer material incorporated into the matrix material. A method for producing the foregoing decorative panel comprising applying a decorative layer to the plate-shaped carrier.

Abstract: A tile for covering an area which interlocks with an adjacent tile includes a main body having a top surface and a bottom surface disposed opposite the top surface. The main body has at least a first lateral side and a second lateral side. The tile includes a plurality of spaced apart male connectors situated on the first lateral side, and a plurality of spaced apart female receptacles situated on the second lateral side. The tile further includes a plurality of spaced apart wedge-shaped projections and a plurality of spaced apart complementary-shaped slots. Each slot is situated on either the first lateral side or the second lateral side of the main body in between either adjacent male connectors or adjacent female receptacles. Similarly, each projection is situated either on the first lateral side or the second lateral side of the main body in between either adjacent female receptacles or adjacent male connectors.

Abstract: A wall trim finishing apparatus includes a base member having a bottom surface. The bottom surface is configured to mate with, and apply relatively even force to, at least one curve or crevice of a front surface of a piece of wall trim. The bottom surface may be configured to receive a piece of sandpaper or absorbent material between the bottom surface of the base member and the front surface of the wall trim. Sandpaper coupled to the bottom surface of the base member creates a sanding apparatus. The bottom surface may be divided into a first portion and a second portion by a channel defined therebetween that is configured to accumulate sanding residue generated when the bottom surface is mated to and moved along the front surface of the wall trim. Sand paper is adhesively adhered to both portions.

Abstract: A tool for dislodging grout from a joint between two adjacent planar surfaces, or for removing a strip of material from a masonry surface including, a generally elongate body having a lower portion dimensioned to fit at least partially within a channel created by a first cutting tip of a first blade or edge, the first cutting tip forwardly facing for impinging upon and dislodging material, a guide forward of said first blade or edge for controlling the depth to which said first blade or edge penetrates said grout or said masonry surface, and a front portion of said tool being curved upwardly, said front portion including a second blade or edge having a leading secondary cutting tip, whereby the rear of the tool may be pivoted upward about the leading edge of said tool to utilise said secondary cutting tip to dislodge said material without being inhibited or obstructed by said guide.

Abstract: The present invention is directed generally to building tools that are high quality, durable, and in some case lightweight. For example, a mastic flat box may made by forming multiple sections into a single integrated piece by, for example, an extrusion process so as to reduce manufacturing cost and increase the structural durability of the tool. The mastic flat box may be made in such a way as to allow for easier assembly, operation, and cleaning. Further, mastic flat box may be made, at least in part, using a material including magnesium to reduce the weight of the tool. Still further, mastic flat box may be made using one or more protective coatings for protecting various metals against corrosion, for example, using a high impact coating such as paint covered with a clear coat of lacquer.

Abstract: A saw horse may include a center beam, a first leg connected to the center beam, and a second leg connected to the center beam. The first leg may rotate and may traversely extend and retract to move between an open and a stowed position. The second leg may rotate and traversely extend and retract to move between the open and the stowed position. The saw horse may include a flexible axis biasing device to connect to the first leg. The saw horse may include a flexible axis biasing device to connect to the second leg.

Abstract: A concrete dispensing boom for stationary and mobile concrete pumps has a plurality of boom arms, connected to one another at joints, and a concrete conveying line consisting of a plurality of pipe segments preferably connected to one another in an articulated manner via pipe bends and rotary couplings. Said pipe segments run along the individual boom arms and are attached to these boom arms. At least one of the boom arms has a hollow chamber profile which has at least two hollow chambers separated from one another by a separating wall, at least one of which chambers is a closed chamber and one is open at the periphery. The pipe segment allocated to the boom arm concerned is disposed on the opening side outside, partially inside or inside the open hollow chamber.

Abstract: The mobile stage framework includes a plurality of spaced-apart column structures and a first and a second self-contained unit. Both units are separated from one another when the mobile stage framework is fully disassembled for transportation. The first unit includes an articulated floor structure and the second unit includes an articulated roof structure. Both structures are in an unfolded working position when the mobile stage framework is fully assembled and are in their folded transport position when the mobile stage framework is fully disassembled for transportation. A method of handling a mobile stage framework is also disclosed.

Abstract: A self-propelled cleaning apparatus for cleaning a submerged surface of a pool or tank includes a housing having a front portion as defined by the direction of movement of the apparatus when propelled by a water jet, an opposing rear portion and adjoining side portions defining the periphery of the apparatus, and a baseplate with at least one water inlet. Rotationally-mounted supports are coupled proximate the front and rear portions of the housing to enable movement of the apparatus over the submerged surface. A water pump is configured to draw water and debris from the pool through the inlet for filtering. A stationary directional discharge conduit is in fluid communication with the pump and has at least one discharge opening through which a pressurized stream of water forming the water jet is directionally discharged at an acute angle with respect to the surface over which the apparatus is moving.

Abstract: A trampoline cover for a trampoline having a safety net supported by a plurality of support poles including: a frame assembly comprising a peripheral frame portion of substantially planar form mountable to the upper end of the support poles and one or more transverse members intersecting the peripheral frame member at opposed points to extend across the peripheral frame member spaced from the plane of the peripheral frame member; a flexible sheet detachably attached to the frame assembly; a plurality of pockets at or near the edge of the flexible sheet for engaging with end portions of at least some of the support poles whereby the flexible sheet may be supported above the support poles and frame assembly; and attachment means adjacent each pocket for attaching the flexible sheet to a respective one of the support poles.

Abstract: A method and apparatus for enclosing a user is provided. The user is shielded from the ambient conditions existing outside a portable enclosure. The enclosure includes an insulation system. The insulation system includes a radiant barrier.

Abstract: The present disclosure is related to a universally adjustable metal two bracket attachment system for metal fence posts to attach various types of fencing materials or fence sections is disclosed. The subject metal fence post attachment bolt and bracket system is simple and easy to install, is universally adjustable to round or square metal fences posts, by bolting onto the “off the shelf” non-adjustable fence post brackets. The subject brackets allow both full section metal fencing with the bracket mounted with the open end side ways, and three rail metal fencing with the bracket facing up.

Abstract: A fencing system that includes a plurality of fence rails extending between two fence posts. The fence rails may comprise a foamed material core that is enclosed by a weather resistant capping material. One or more hollow passageways may be formed in each of the fence rails to both reduce weight and to receive a metal reinforcing member. A plurality of fence pickets may be installed onto the fence rails using power driven fasteners, such as ring shank nails or staples.

Abstract: A knob structure of a glove box for a vehicle according to an exemplary embodiment of the present invention includes: a push-type knob unit which is coupled to a glove box by a first fixed hinge, and operated by being pushed; a pull-type knob unit which is coupled to the glove box by a second fixed hinge, and operated by being pulled; and a rod unit which is connected to the push-type knob unit and the pull-type knob unit, and converts rotational motion by an operation of the push-type knob unit or the pull-type knob unit into rectilinear motion so as to open and close the glove box.

Abstract: A paddle handle assembly includes a tray, a handle pivotally mounted to the tray, a spring for urging the handle toward an unactuated position with respect to the tray, and an arm integrally formed with the handle. The arm extends through the tray. A distal end of the arm includes a cable eye connector integrally formed with the arm for actuating a securing mechanism on a rear side of the tray.

Abstract: A snap fastener which secures a first thin wall with a through-opening. A base part includes a plate which overlaps the longitudinal edges of the through-opening. A head part is provided as a housing with fastening projections such as fastening cams or leaf spring devices having flexible fastening surfaces. The housing is snapped into the through-opening so that it grips only the first thin wall. Unlocking devices are provided in the housing, via which the push elements can be pulled back into the housing from the front, and the housing can be disengaged from the other thin wall (e.g., a wall support). The dimensions between (1) the holding area of the fastening projections and the push members, and (2) the supporting plane of the base part are selected in such a way that, when the push elements are pulled back, the fastening projections lie on the front panel with clearance.

Abstract: A lock cylinder generally including a shell, a plug positioned within the shell, a locking member, and a leaf spring. The plug includes an opening which is aligned with a recess formed in the shell. The locking member is configured to selectively prevent rotation of the plug with respect to the shell. The leaf spring is positioned in the opening and includes a first portion extending radially inward toward the keyway, and a second portion extending radially outward toward the recess. When a key is inserted, a tip of the second portion extends into the recess. When the plug is subsequently rotated, a tapered surface of the recess urges the tip radially inward and into contact with an inner surface of the shell.

Abstract: A security shield to cover a release mechanism for a motorized garage door opener provides an enclosure adapted for location around an overhead guide rail release mechanism and a blocking shield including a device for attaching the blocking shield and the enclosure to the connecting member.

Abstract: The invention relates to a padlock protector including a shackle protector. The shackle protector is composed from two parts. The parts are to be placed to the opposite sides of the shackle, and they are formed into the shape of the loop and surface of the shackle. The side edges of the parts are jigsaw puzzle edges in their shape.

Abstract: The present invention relates to a key (1), in particular for a motor vehicle, comprising: —a housing (3), —an insert (5, 7) mounted pivotally about a pivoting axis (A) and comprising a key-bit support (5) and a key bit (7), —a mechanism for deploying the insert (5, 7) mounted in said housing (3) and comprising: • a push button (19) axially received in a housing (21), and • an elastic return element (23) for the insert (5, 7), wherein a first end (23a) is connected to the insert (5, 7) at the support (5), said support (5) or said button (19) comprising two retaining lugs (39) ascending parallel to the pivoting axis (A) and positioned facing each other and symmetric relative to said pivoting axis (A), said retaining lugs (39) defining, on each side of the pivoting axis (A), a space (50) for the angular displacement of the first end (23a) or of the second end (23b) according to an angle of between 10° and 90°.

Abstract: A reprogrammable cylinder lock provides a lock system that allows a set of multiple keys with various lengths and cuts to work with a single cylinder lock to create multiple lock combinations. The reprogrammable lock comprises a cylinder core, a plurality of pin locks and a cylinder ring placed over the cylinder core in a first set position within a cylinder housing. The plurality of pin locks is configured such that it is initially nonrotatable. At least two different keys are provided. Upon inserting and rotating a first key into the cylinder core, the first key engages with a first lock combination so that the cylinder core is rotatable within the cylinder housing. Upon inserting and rotating subsequent keys into the cylinder core, the subsequent keys push the cylinder ring to subsequent set positions, create new lock combinations, and rotate the cylinder core within the cylinder housing.

Abstract: A door unlocking system includes a receiver adapted to detect wireless signals having a signal ID emitted by at least one mobile device to be carried by an authorized person; a microcontroller interfacing with the receiver, the microcontroller programmed to store a valid signal ID and compare the signal ID of the wireless signals to the valid signal ID; a lock operating mechanism interfacing with the microcontroller; and a door lock interfacing with the lock operating mechanism, the microcontroller programmed to unlock the door lock via the lock operating mechanism when the signal ID of the wireless signals corresponds to the valid signal ID. A door unlocking method is also disclosed.

Abstract: A lock assembly (10) including an orientation sensor (26) and at least one component operable in two modes (32). The orientation sensor (26) is adapted to indicate at least two orientations of the orientation sensor (26). The at least one component (32) is operable in a predetermined one of the at least two modes responsive to an indication of one of the at least two orientations from the orientation sensor (26) and is operable in a predetermined other of the at least two modes responsive to an indication of the other of the at least two orientations from the orientation sensor (26).

Abstract: A locking device includes an integrated circuit board specially shaped to fit the locking device and to bring a sensor on the circuit board adjacent to a moving lock component. The circuit board is preferably routed to form a convex shape that matches the locking device and provides printed circuit wiring to connect one or more sensors or other components to an external wiring harness, thereby reducing point-to-point wiring within the lock. Multiple different circuits may be provided on the same circuit board, which are automatically selected by the connectors used on different corresponding wiring harnesses and/or actuators. The design reduces assembly costs and allows rapid electrification of existing mechanical locking devices with minimal modification.

Abstract: A cabinet enclosure and locking system for a cabinet enclosure having an opening with a door or access panel utilizes a side mounting bracket that has a forward portion that projects from the enclosure and has an elongated slot. A locking strap member has opposite outer and inner ends, with the outer end being passing through the elongated slot and being angled at the outer end so that the locking strap member must be rotated during passage of the outer end through the elongated slot during insertion into the elongated slot. A staple assembly is used for receiving a shackle or lock pin of a pad lock and also for coupling to the locking strap member and locking the locking system in a locked condition.

Abstract: An apparatus for selectively securing at least a first zipper closure mechanism (25) and a second zipper closure mechanism (135) of a luggage case (100), may include a lock device (145) coupled to the luggage case (100). The lock device (14) includes a lock mechanism (158) operable between a locked and unlocked configuration, at least two securing recesses (151, 152, 153, 154) for releasable receipt of at least a portion of each of the respective first and second zipper closure mechanisms (125, 135), and at least one release member (160) for actuating the lock mechanism (158).

Abstract: A lockable tool box contains: a base, a top cover, a connection unit, and a locking unit. The connection unit is in connection with a first side of the base and a first side of the top cover. The locking unit includes a first fixing member, a second fixing member, a rotating seat, a movable cap, and a lock button. The first fixing member has an engaging slot and a retaining slot, wherein the retaining slot has a through orifice and a stop cliff; the second fixing member extends outwardly from the base, and the rotating seat is coupled with the second fixing member and is joined with the movable cap. The movable cap has an affix block and a trench, the lock button is slidably retained in the trench of and is moved between a locking position and an unlocking position, wherein the lock button has a protrusion.

Abstract: A bicycle locking device coupled to a bicycle and configured to prevent a wheel from turning. The device is configured with transceiver to communicated with a remote device to receive locking and unlocking indications and to transmit tampering indications to a remote device. The device can include an audible sound when tampering is detected.

Abstract: A hood latch release system for a vehicle. The hood latch release system may have a cable and a linkage. Deflection of the cable may actuate the linkage to unlatch the hood latch.

Abstract: A low release effort eccentric double ratchet, double pawl vehicle latch includes a ratchet, a primary pawl, an auxiliary ratchet and a secondary pawl. A drive mechanism including a gear cam wheel sequences movement of the secondary pawl to open and reset the latch. Upon reset, the drive mechanism actuates the auxiliary ratchet back to a closed state in a soft manner without using a hard stop; instead the latch has a cushioning spring that is used to softly stop the gear train during the reset absorbing motor energy and thus eliminating impact noise.

Abstract: In an opening/closing operation device for a vehicle open/close door, a handle and a lever for transmitting an unlock operation force to a latch mechanism are turnably supported by an open/close door, and one end portion of the lever is brought into contact with a contact surface formed in the handle. In the contact surface, at least a portion to be in contact with the one end portion of the lever at an initial stage of the manipulation of the handle is formed in an inclined manner or curvedly: in a way that makes the portion situated more forward in a movement direction, in which the contact surface moves in response to the turn of the handle, as the portion comes closer to a rotary fulcrum of the lever in a direction along a plane orthogonal to the movement direction such that the portion intersects the plane.

Abstract: Disclosed are apparatus and methodology for fine tuning the fit and function of a cam lock used to secure an enclosure or similar. A cam lock is provided with a cam and a set of variously sized adjustment pads that may be individually secured at one end of the cam. The adjustment pads each differ in thickness, and are installable on the cam without the need of tools. The variously sized adjustment pads allow field installation and adjustment of the position of cam contact surfaces to easily and quickly adjust positioning for spacing variations due to manufacturing tolerances. Such customized installation provides improved security, reduced noise and rattle of the enclosure door, and a more professional aspect to the installation.

Abstract: A locking device is described including: a rotary motor; a worm drive arrangement including a worm and a gear; and a pivotally mounted bolt which is rotatable between a retracted position and an extended position; the motor is arranged to drive the worm to rotate the gear; as the gear rotates it cooperates with a cam formation associated with the bolt to move the bolt between the retracted and extended positions.

Abstract: A hinge structure including a fixing member, a rotating member and an extension member is provided. The rotating member is pivotally disposed on the fixing member, and the extension member is pivotally disposed on the rotating member, wherein the fixing member and the extension member are adapted to be fixed at two parts respectively. After the rotating member rotates relative to the fixing member along a rotating axial direction and the extension member rotates relative to the rotating member along the rotating axial direction, an included angle between the extension member and the fixing member presents an acute angle, so that the two parts are adapted to stand on a platform. The extension member and the fixing member are adapted to increase the included angle through an external force exerted towards the platform, until the included angle presents 180 degrees and the two parts construct a plane.

Abstract: The present invention relates to a door guide frame for guiding the sliding movement of a roller device which supports a sliding window and provides a sliding opening/closing operation and, more specifically, to a sliding window installation structure which: stably supports and moves a sliding window on a bottom surface and an upper surface on which the sliding window is installed; reduces an installation space by minimizing the size of a door guide frame and a roller device for supporting a heavy sliding window, thereby obtaining a wider open view when applied to a window; enables vertical stiffeners having an expanded cross section (cross section thicker than glass) for compensating a transverse bending rigidity of glass to be connected to both sides of the glass which constitutes the sliding window formed by including the glass that is supported by a roller; and enables the sliding window with the vertical stiffeners to be installed within the door guide frame in an integrated manner and the sliding window

Abstract: A horizontal pushed aluminum alloy window includes a first mounting member, and a second mounting member. The first mounting member includes a first mounting surface, and the second mounting member includes a second mounting surface. The first mounting member includes a first fixing plate, a first sliding plate, and a pair of opposite first anti-falling ribs extruding from the first fixing plate and the first sliding plate. The second mounting member includes a second fixing plate, a second sliding plate, and a pair of opposite second anti-falling ribs extruding from the second fixing plate and the second sliding plate. The first mounting surface, the first fixing plate, the first sliding plate, and the first anti-falling ribs surrounds a first connecting groove, and second mounting surface, the second fixing plate, the second sliding plate, and the second anti-falling ribs surrounds a second connecting groove.

Abstract: A device for opening and closing a pivoting wing, comprising: a stationary support intended to be attached to a fixed frame, a slide movable relative to the stationary support along a rectilinear direction between an open wing position and a closed and locked wing position, a pivoting arm articulated to the stationary support about an articulation axis, and having a distal end intended to be connected to the wing, a transmission mechanism associated with the slide and the arm, comprising an essentially L-shaped cam engaged by a control pin, the transmission mechanism being configured to transform the rectilinear movement of the slide along said rectilinear direction into a pivoting movement of the arm about said pivot axis.