Abstract: A magnetic gate latch has a multiplicity of permanent magnets arranged on a pair of disks with half of the magnets in mutual attraction and half of the magnets in mutual repulsion. These magnetic forces are used to brake and close a gate or door. One of the disks is made axially movable with respect to the other so as to assume mutual repulsion in one position and mutual attraction in a second position. The movable disk is attached to a gate or door closing member and the other disk is attached to the closing structure post or jamb. Magnetic forces in the repulsion position are used in the invention to reverse the movable disk from a mutual repulsion position to a mutual attraction position.

Abstract: A fastener module suitable for a foldable electronic apparatus with a first body and a second body pivotally jointed with each other is provided. The module includes a first fastener, a second fastener, a control circuit, and a magnetic element. The first fastener is disposed in the first body and has magnetic susceptibility. The second fastener is disposed in the second body and suitable for being fastened with the first fastener. The control circuit is disposed in the foldable electronic apparatus. The magnetic element is disposed in the foldable electronic apparatus, and is coupled to the control circuit. The magnetic element is controlled by the control circuit to determine whether to exert a magnetic force on the first fastener for driving the first fastener to be fastened with the second fastener.

Abstract: A storage bag system has a bag body and pockets spaced on the bag body. Each pocket has a pouch and a flap with respective peripheral edges defining an opening into the pocket when the peripheral edges are spaced from each other. For closing the opening when the peripheral edges are adjacent each other, the peripheral edges have a first flexible continuous magnetic strip extending along the peripheral edge of each pouch and a second flexible continuous magnetic strip extending along the peripheral edge of each flap. The magnetic strips are aligned to attract one another as the pouch and flap are moved into their connected position and to then pull the peripheral edges into compressive contact. Pulls are connected to each flap for being grasped to pull the flap and its peripheral edge to the open position.

Abstract: An example pull assembly includes a knob that defines an axis and a cover moveable between an installed position adjacent the knob and an uninstalled position further from the knob than the installed position. A magnet holds the cover in the installed position. A cam extends from the cover, the knob, or both. The cam urges the cover from the installed position to the uninstalled position when the cover is rotated relative the knob about the axis.

Abstract: A magnetic closure assembly for inset cabinet doors, the assembly including a magnet, preferably a rare earth magnet embedded in a bore in the cabinet door and overlayed with a resilient cushion element or damper which is interposed between the rare earth magnet and a strike plate or armature depending from the rear face of the cabinet frame.

Abstract: A closure retention and release mechanism (14) comprises a body (22) having spaced apart first and second portions (28, 30) of ferrous material, a magnet (24) having north and south poles (40,42) mounted between said portions (28, 30) and actuation means operable to move the magnet (24) relative to said portions (28, 30), wherein the magnet (24) is movable between a first position where each pole (40, 42) of the magnet (24) is located fully in a respective portion (28, 30) of the body (22) and a second position where each pole (40, 42) is not located fully in a respective portion (28, 30) of the body (22).

Abstract: The invention is directed at a door set assembly comprising a latch portion; a first magnetic material, located within the latch portion; a strike plate, the strike plate including a plate portion and a latch receiving portion; a second magnetic material, located within the latch receiving portion, the second magnetic material having a polarity opposite the first magnetic material; wherein when a door is closed, the magnets attract each other thereby pulling the latch portion into the latch receiving portion to secure the door closed. The door set assembly can also include a cushioned portion which fits within the latch receiving portion.

Abstract: An anti-theft security device has a case having a front case and a rear case pivotably connected to each other and receiving information storage media in a space formed between the front case and the rear case, a hub formed at a center of an inner surface of one of the front and rear cases and to which the information storage media is detachably fixed, a separation prevention member inserted into the case through a side of the case and passing through the hub across over the information storage media fixed to the hub to prevent the information storage media from being separated from the hub, and a locking device selectively inserted along an insertion passage formed at a side of the case to prevent the separation prevention member from being separated from the case and to lock the case. According to the anti-theft security device, it is certainly possible to maintain the locked state of the case.

Abstract: A magnetic fastening system for connecting a first member against a second member. The system includes a first flexible magnet longitudinally associated with at least a portion of an edge of the first member and a second flexible magnet longitudinally associated with at least a portion of an edge of the second member. The first and second flexible magnets are aligned to attract one another as the first and second members are moved into their connected position to then pull the first and second members into connecting contact.

Abstract: A non-contact apparatus removes translational energy (slows movement) of a first magnetic assembly when it is moved through the magnetic field of a second magnet. The first magnetic assembly contains a magnet that can rotate, such as a diametrically magnetized cylindrical magnet in a cylindrical cavity. Rotation of the first magnet does work against a predetermined drag. The apparatus also forms a non-contact magnetic coupling that holds a predetermined relative position. The apparatus can be used as a door catch that slows down and quietly stops a door at a predetermined position.

Abstract: A lock for a household appliance, such as a tumble drier, a washing machine, a dishwasher or the like, has a movable retaining element. The movable retaining element is configured in the style of a slider for interaction with a locking bar located on a door, a lid, a hinged opening or the like of the household appliance. The lock has a two-state locking mechanism for the retaining element, such that the locking mechanism in a first state blocks the movement of the retaining element and in a second state frees the movement of the retaining element. The locking mechanism can be electromagnetically controlled between the two states.

Abstract: A latching device, which includes a lock frame mechanism fitted to a door and a corresponding latching mechanism fitted to a door frame. The lock frame mechanism is fixed to the inner side of the door, and is provided with a long locking arm able to horizontally swing, and the latching mechanism is provided with an extensible latch. When the latching device forms an unlatched state, the latch retracts to the side of the latching mechanism side, thereby achieving the effectiveness of preventing people from getting caught on a latch button when passing in and out and further giving an integrated aesthetic appearance to the door assembly.

Abstract: An assembly for securing an openable aperture closure member (11) in closed position relative to an aperture defined by a main frame (12), the aperture closure member (11) including a mechanically rotational means (24, 44, 54) for securing said closure member (11) to the frame (12), the assembly for securing comprising a push and/or pull actuation assembly (35) for easing the securing and/or releasing process for the aperture closure member, the actuation assembly including a handle bar (36) and at least one connecting member (37) which operably connects the handle bar (36) to the mechanical means (24, 44, 54); wherein the push and/or pull actuation assembly (35) is adapted to be translationally movable by an operator and the connecting member (37) is adapted to convert translational movement of the actuation assembly (35) into rotational forcing movement of the mechanically rotational means (24, 44, 54).

Abstract: A magnet latch applying magnetic force for opening and closing the upper and lower cases is provided. The magnet latch includes a push button, a sliding block, a magnet, a magnetic hook, and an elastic member. To close the upper and lower cases, one moves the push button to slide the sliding block to one side. The magnetic hook is attracted by the magnet to move upwards. Once the magnetic hook attaches to the magnet, the push button is released and the sliding block moves toward and holds the magnetic hook, so as to achieve the purpose of magnetic latching. On the other hand, to open the upper case, one moves the push button to slide the sliding block to the other side, thereby opening up the upper case. Due to the weakened magnetic force and its own gravity, the magnetic hook returns back into the lower case.

Abstract: A door exit device, security system, and method for implementing a delayed egress operating mode and an authorized access operating mode to control access through a door. In one embodiment, the exit device includes an egress enable mechanism including a latch retraction assembly operatively coupled between a push pad and a door latch. The latch retraction assembly retracts the door latch responsive to manual actuation of the push pad. The exit device further includes a delayed egress device having a latch retraction lock that is operatively coupled to the latch retraction assembly to prevent the latch retraction assembly from retracting the door latch coincident with an attempted manual actuation of the push pad. The exit device further includes an access enable device operatively coupled to actuate the latch retraction assembly in response to an authorized access signal.

Abstract: A powered door accessory system generally includes a powered door accessory assembly, a generator, and a power storage device. In an embodiment, the powered door accessory assembly includes an electric drive and a driven member operatively connected to the electric drive. The generator is in electrical communication with the electric drive of the powered door accessory assembly and the power storage device. A method for operating a door accessory assembly is also disclosed.

Abstract: An electric lock includes a manual operation mechanism and an electric control mechanism. The manual operation mechanism includes a rotary knob unit, a first attracting member mounted fixedly to the rotary knob unit, a key-operated lockset, and a lock-connecting rod connected to and rotatable by the rotary knob unit and the key-operated lockset. The electric control mechanism includes a power source unit, a clutch gear driven by the power source unit to rotate in two directions, and a second attracting member mounted fixedly to the clutch gear. When the clutch gear is driven by the power source unit to rotate to align the first and second attracting members with each other, a magnetic attraction force is generated between the first and second attracting members to allow for co-rotation of the rotary knob unit with the clutch gear.

Abstract: A latch structure is provided herein. The latch structure comprises a base, a plate, a rotating element, hooks, a magnetic element, springs, locating posts, a latch element, a pushing element, and screws. One side of the magnetic element is rotatable by the pin, and the other side is mounted with the spring and the locating post. When door is closed inwardly, the pushing element pushes the rotating element forwardly to push the magnetic element contacting with the latch element which are attracting due to the magnetic field. The hooks then engage with the connecting portions. When power is off, spring abuts the magnetic element to release the hook from the connecting portion. The benefit is that as long as the attract force of the magnetic field larger than the pressure of the spring, the hooks and the latch element are decided to engage or separate, increasing the load ability of the latch structure. It is therefore large load ability is acquired only required few attract force, decreasing costs.

Abstract: The invention discloses an engaging apparatus applied to equipment. The engaging apparatus includes an engaging device and a second magnetic member. The engaging device is movably disposed in a cover of the equipment, and includes a first magnetic member and an engaging member. The second magnetic member is also disposed in the cover and corresponds to the first magnetic member. The cover thereon defines a first position and a second position. When the engaging device is operated to move from the first position to the second position, a magnetic force generated between the second magnetic member and the first magnetic member assists in turning back the engaging device to the first position.

Abstract: A partition system is provided as well as an apparatus and method for securing movable partitions. In one embodiment, a movable partition, such as a folding door, includes a post member (e.g., a lead post) having a latching structure associated therewith. Another post member, such as associated with a wall or another movable partition, includes a latching structure configured to form a magnetic coupling with the first latching structure. One of the latching structures may be slidingly displaced relative to its associated post member so as to selectively bring the two latching members into or out of alignment with one another. When a magnetic coupling has been formed, relative displacement of the two latching structures results in the weakening, if not defeat, of the magnetic coupling so that the post members, and their associated partitions, may be displaced away from one another. Other latching structures are also disclosed.

Abstract: A child safety barrier with a door secured in a U-shaped frame has a locking device which cannot be operated by children. The locking device has an activation unit which, when receiving a signal from a signal generator, releases the locking device so that the door may be opened or closed, which, in one embodiment, must take place within 2-4 seconds of the point of time when the signal generator is activated. The activation device may be formed by a mechanical activation mechanism, while the signal generator may be a push-button, an electric voltage or a remote control using a connection of the type IR, Bluetooth or the like. In a preferred embodiment, the activation device is connected with a push/pull rod whose one end is connected with a relay, while its other end is connected with a movable post extending inside a column in the U-shaped frame to which the door is secured.

Abstract: An assembly with a ventilation arrangement for securing an openable aperture closure member (11) in closed position relative to an aperture defined by a main frame (12). The assembly further includes a compressible gasket disposed between the closure member (11) and the frame (12) defining the aperture. Each of the aperture closure member (11) and the main frame (12) includes a respective portion (20) of a magnetic means for securing said closure member (11) to the frame (12), wherein said magnetic means for securing includes a two magnetic that are magnetically attracted to one another One portion is disposed on the openable closure member and thus being adapted to be movable by an operator with the openable closure member alternately into a magnetically attractive closure position and a magnetically unattractive opening position, whilst the other portion is disposed on the main frame.

Abstract: A switch assembly (40) and a portable electronic device (100) are provided. The portable electronic device includes a body section (20), a cover section (10) rotatably connecting to the body section, and the switch assembly. The switch assembly includes a first magnetic component (43), a second magnetic component (45), and a movable magnetic component (47). The first magnetic component is mounted on the cover section. The second magnetic component is mounted on the body section, and attracts to the first magnetic component to maintain the portable electronic device at a closed position. The movable magnetic component is movably mounted on the body section, and repels both to the first and second magnetic. The movable magnetic component provides a repulsive force to repel the cover rotates outwards from the body section, when the magnetic component is driven to move close to the first and second magnetic components.

Abstract: A door closure device that comprises a mounting member having a top surface, a bottom surface, two side surfaces, a back surface and a front surface. The door closure device also includes at least one magnetic member mounted on the mounting member, such that it is recessed in the front surface of the mounting member. The device further includes at least one damping device mounted on the mounting member adjacent to the at least one magnetic member, wherein a portion of the at least one damping device protrudes from the front surface of the mounting member, past the at least one magnetic member on a front face thereof.

Abstract: A magnetic self-latching device for a gate has a main body with handles on either side for operation or has an arrangement to be remotely actuated, for example electrically. A latching body has a high strength magnet usually provided at the bottom of a cavity which defines a latching shoulder. The latching body is adapted to be fixed to a gate post. The main body, with its housing, can be mounted on the gate frame and incorporates a latch pin which, in the door-closed position, is displaced by magnetic attraction to an extended latching position and against the biasing of a return spring. The gate cannot be opened until actuation of the mechanism occurs, for example by rotating a handle to retract the pin against the magnetic force; the gate can then be swung open. When the handle is released, the biasing spring retains the latch pin in a retracted position.

Abstract: A device for controlling a door, the device having: a body; an electromagnet arranged to generate a magnetic field for retaining the door; a coupling that couples the electromagnet to the body, the coupling being arranged to allow a movement of the electromagnet relative to the body; and a current supply that is arranged to supply the electromagnet with a current. The current supply is arranged to detect the movement of the electromagnetic and to cease supplying the current at a predetermined instant after detecting the movement of the electromagnet.

Abstract: A magnetic latch for removably latching a first member to a second member includes a magnet emitting a magnetic field carried by the first member and a magnetically attractive catch plate carried by the second member. A release mechanism is provided for moving the magnet relative to the catch plate from a first position in which the catch plate is strongly engaged with the magnetic field to a second position in which the catch plate is weakly engaged with the magnetic field. The release mechanism includes a lever, pivotally mounted to one of the first and second members and a biasing member carried by the other of the first and second members, the lever engaging the biasing member during pivoting of the lever. The release mechanism enables the magnetic engagement of the members to be broken with a relatively small applied force.

Abstract: A latch with dual rotary magnets is disclosed. The latch is particularly suited for releasably securing dual doors of a compartment in the closed position. Each rotary magnet holds in a closed position a magnetic insert attached to a respective door by magnetic attraction to secure both doors in the closed position relative to the compartment.

Abstract: An assembly for securing an openable aperture closure member (11) in closed position relative to an aperture defined by a main frame (12). The assembly further includes a compressible gasket disposed between the closure member (11) and the frame (12) defining the aperture. Each of the aperture closure member (11) and the main frame (12) includes a respective portion (20, 42) of a magnetic means for securing said closure member (11) to the frame (12), wherein said magnetic means for securing includes a magnetic field in one portion (20) and a magnetically attractive portion (42), one of the magnetic field portion and the magnetically attractive portion being disposed on the openable closure member and thus being adapted to be movable by an operator with the openable closure member alternately into a magnetically attractive closure position and a magnetically unattractive opening position.

Abstract: A system for deployment of a millimeter wave concealed object detection system is disclosed. In a particular embodiment, a storage container modified as a security check point includes an entry point disposed at a first end of the container and an exit point disposed at an opposing second end of the container. A detection area is disposed within the container and between the entry point and exit point. The detection area is isolated from the entry point and exit point so that an explosive blast is substantially contained within the detection area of the container. The system provides a standard platform for deployments of concealed object detection systems across extremely variable environments.

Abstract: A security tag holder is releasably clamped onto a garment. The holder includes first and second members coupled for relative pivotal movement about a pivot pin. The first member includes first clamping and locking regions at opposite sides of the pin, respectively. The second member includes second clamping and locking regions at opposite sides of the pin. The first locking region has a recess and a fixed magnet. The second locking region has a bore and a movable magnet movable between an unlocking position wherein the movable magnet is received in the bore and a locking position wherein the movable magnet is partly inserted into the recess and attracted to the fixed magnet. When the first and second members are urged against each other to clamp the garment, the movable magnet is moved from its unlocking to locking position to lock the first and second members against relative pivotal movement.

Abstract: Systems and apparatuses for a magnetically actuable locking mechanism and a security device having a magnetically actuable locking mechanism are disclosed.

Abstract: Systems and apparatuses for a security device having a cable (922) are disclosed.

Abstract: A magnetic latch assembly includes a first body, a second body, and a magnetic block and a magnetic latch. The magnetic block is movably disposed on the first body; therefore, it can be selectively moved close to or far away a first opening of the first body. The magnetic latch is disposed on the second body corresponding to a second opening of the second body. In addition, two ends of the magnetic latch form a hook portion and a tip portion, respectively. When the first body is close up against the second body and the magnetic block is moved close to the first opening, the magnetic block and the tip portion repel each other due to magnetic force so as to drive the magnetic latch rotating, so that the hook portion is moved and passing through the second opening and the first opening and hooked against the first body.

Abstract: Systems and methods are described for controlling a breakaway feature in a sliding door. The sliding door can be mounted in a doorway on a door hanger. The door is typically attached at one end using a hinge mechanism and maintained in planar alignment with the doorframe by a controllable mechanism such as an electromagnetic shear lock. An activation switch, such as a push-bar switch, initiates a delayed egress sequence that disengages the shear lock by controlling an energizing current in a magnet. When the shear lock is disengaged, the door can swing on the hinged mechanism. The delayed egress sequence can include one or more delays prior to disengaging the shear lock. Override signals can inhibit or force disengagement of the shear lock.

Abstract: A latch with dual rotary magnets is disclosed. The latch is particularly suited for releasably securing dual doors of a compartment in the closed position. Each rotary magnet holds in a closed position a magnetic insert attached to a respective door by magnetic attraction to secure both doors in the closed position relative to the compartment. Mechanical hook-like rotary pawls supplement the action of the magnets. In addition, the latch is provided with a safety feature that prevents the latch from opening in the event that the vehicle in which the latch is installed is involved in a collision.

Abstract: Electromagnetic lock includes a body, a retractable sliding bolt, and a movable plate structured and arranged to move the retractable sliding bolt and functioning as an armature of an electromagnet housed in the body. The movable plate is movable via two forces acting in the same direction and is structured and arranged to move the retractable sliding bolt to a protruding position. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: Provided is a locking mechanism for a flat display device. The locking unit for a single axis rotation flat display device in which an upper body and a lower body are coupled to each other by a rear main hinge, includes: a latch member movable on a guide disposed in the upper body, a locking hole formed in the latch member and a bent portion slantingly bent at a lower end of the latch member which is made of a ferromagnetic material. In a retracted state, the latch member is substantially disposed within the upper body, while in deployed state the latch member protrudes therefrom. A restoration member provides a restoration force to the latch member so as to urge it into its retracted state. A hook member hingedly coupled to the lower body. The hook member having a hook portion whose upper end engages the locking hole. a magnet is installed to or in proximity to the hook member under the hook portion.

Abstract: A closing and opening device for a furniture element which is mounted movably on an item of furniture comprising a lockable ejection device for moving the movable furniture element out of a closed end position into an open position and further comprising a magnetic retaining device for the movably mounted furniture element, said magnetic retaining device comprising at least two parts of which a first part is or can be arranged on the furniture body and the other part is or can be arranged on the movable furniture element and which exert a magnetic attraction force on each other at least in the closed position of the movable furniture element, wherein said first part of the retaining device, that is arranged on the furniture body, is mounted movably in the direction of the movable furniture element and is acted upon by a force storage means acting in the closing direction of the movable furniture element.

Abstract: Elements, couplers, systems, and methods for joining two or more trough members. A locking element for a coupler of a cable trough system includes a frame member including a shaft, a pawl member including first and second ends, and defining an aperture, the shaft of the frame member extending through the aperture so that the pawl member pivots on the shaft, and a member positioned to engage the first end of the pawl member to pivot the pawl member about the shaft into a locked position. When a force is applied to the first end in a direction opposite to that exerted by the member, the pawl member moves about the shaft into an unlocked position.

Abstract: A latch with dual rotary magnets is disclosed. The latch is particularly suited for releasably securing dual doors of a compartment in the closed position. Each rotary magnet helps secure in a closed position a respective door that is provided with a magnetic insert. Hook-like rotary pawls that rotate with the magnets provide for mechanical securing of the doors in the closed position. The latch is provided with a safety feature that makes the latch resistant to opening in the event that the vehicle in which the latch is installed is involved in a collision.

Abstract: A latch mechanism for fixing a top member to a base member of a foldable electronic device includes a magnet, a locking member, and a first resilient member. The magnet is for being mounted to the top member of the foldable electronic device. The locking member for being movably received in the base member of the foldable electronic device includes a hook at a top thereof that is made of magnetic material, for engaging with the magnet. The first resilient member is for being mounted between the base member of the foldable electronic device and the locking member.

Abstract: A magnetic latch assembly includes a first body, a second body, and a magnetic block and a magnetic latch. The magnetic block is movably disposed on the first body; therefore, it can be selectively moved close to or far away a first opening of the first body. The magnetic latch is disposed on the second body corresponding to a second opening of the second body. In addition, two ends of the magnetic latch form a hook portion and a tip portion, respectively. When the first body is close up against the second body and the magnetic block is moved close to the first opening, the magnetic block and the tip portion repel each other due to magnetic force so as to drive the magnetic latch rotating, so that the hook portion is moved and passing through the second opening and the first opening and hooked against the first body.

Abstract: A two-way fastening structure for a tablet PC comprises a mainframe, a cover body, a pusher, and a fastener. The mainframe has a fastening groove, and a magnetic element is provided adjacent to the fastening groove. The cover body has a bottom wall and a top wall opposite to the bottom wall. The bottom wall and the top wall respectively have a first opening and a second opening corresponding to the fastening groove. The pusher is slidably disposed within the cover body corresponding to the first opening and the second opening. The pusher is provided with an elastic element at one end, such that the pusher has a first position and a second position. When the cover body is turned to cover the mainframe, the magnetic element attracts the fastener, such that the fastener protrudes from the first opening or the second opening, and thereby snapping in the fastening groove.

Abstract: A latching mechanism comprising a hook connected to a first component. The hook has a first position disposed within the first component and a second position extending from the first component. The latching mechanism further comprising a receptacle disposed within a second component and engaged with the hook. A magnet is disposed within the second component and moves the hook from the first position to the second position as the second component is disposed in close proximity to the first component. A push-button release mechanism is disposed within the first component and moves the hook from the second position so as to disengage said hook from said receptacle.

Abstract: Disclosed herein is an opening and closing apparatus for mobile phones. The apparatus includes an electromagnet which is installed at a predetermined position in a main body, with a permanent magnet being provided in the electromagnet. A metal piece is installed at a predetermined position in a display body, which is foldably coupled to the main body, and generates attractive force between the metal piece and the permanent magnet of the electromagnet. The electromagnet generates magnetic force to offset the attractive force between the permanent magnet and the metal piece when external electricity is applied to the electromagnet. The apparatus also includes a coil spring which elastically biases the display body to open the display body when external electricity is applied to the electromagnet.

Abstract: A hook device includes a hook base, an attractive member, a slider and a hook. The hook base includes a containing chamber, in which the containing chamber has an opening. The attractive member is set in a sidewall of the containing chamber and is opposite to the opening. The slider is disposed within the containing chamber, in which the slider has a top surface. The hook is disposed in the containing chamber and is on the top surface of the slider, in which a magnetic attractive power is induced between the hook and the attractive member. The hook may further include a secondary hook base having a hook groove corresponding to the opening. A portion of the hook is removed out through the opening of the containing chamber and is clipped in the hook groove by pushing the slider.

Abstract: A doorstop includes a base secured to a floor; the base containing a buffer in relation to the direction of a door panel; a magnetic member being inserted into the center of the buffer; an elastic member being disposed to the inner end of the magnetic member; the elastic member enabling the buffer to engage in reciprocal compression; and when the door is opened, a door panel contacts the doorstop; impact applied by the door panel being absorbed and offset by a coil disposed to the inner end of the buffer; and the door panel being attracted to the magnetic member to prevent possible bouncing back by the door panel.

Abstract: A magnetic self-latching device for a gate has a main body with handles on either side for operation or has an arrangement to be remotely actuated, for example electrically. A latching body has a high strength magnet usually provided at the bottom of a cavity which defines a latching shoulder. The latching body is adapted to be fixed to a gate post. The main body, with its housing, can be mounted on the gate frame and incorporates a latch pin which, in the door-closed position, is displaced by magnetic attraction to an extended latching position and against the biasing of a return spring. The gate cannot be opened until actuation of the mechanism occurs, for example by rotating a handle to retract the pin against the magnetic force; the gate can then be swung open. When the handle is released, the biasing spring retains the latch pin in a retracted position.

Abstract: A latch structure is provided herein. The latch structure comprises a base, a plate, a rotating element, hooks, a magnetic element, springs, locating posts, a latch element, a pushing element, and screws. One side of the magnetic element is rotatable by the pin, and the other side is mounted with the spring and the locating post. When door is closed inwardly, the pushing element pushes the rotating element forwardly to push the magnetic element contacting with the latch element which are attracting due to the magnetic field. The hooks then engage with the connecting portions. When power is off, spring abuts the magnetic element to release the hook from the connecting portion. The benefit is that as long as the attract force of the magnetic field larger than the pressure of the spring, the hooks and the latch element are decided to engage or separate, increasing the load ability of the latch structure. It is therefore large load ability is acquired only required few attract force, decreasing costs.