Abstract: An adjustable door lock, for locking a misaligned or off-set door relative to support wall adjacent to the door, includes a catch plate, a catch having a channel wherein the catch is adjustably communicated with the catch plate, a support plate, and a locking bolt in communication with the support plate wherein the locking bolt is reciprocated along a first path traveling along the support plate and the channel. Advantageously, as the locking bolt ingresses the channel, the catch is automatically adjusted along a second path registered non-parallel to the first path such that the channel is automatically aligned with the first path.

Abstract: Container cover/door with high security locking system comprises a metal cover/door having a first through opening surrounded by a first metal sleeve or collar extending inwardly from the outer surface of the cover/door. Fixedly attached to the inner surface of the cover/door is a metal bracket having a second through opening surrounded by a second metal sleeve or collar that extends outwardly within the first collar. The locking system comprises a locking mechanism including a spring loaded latch contained within a housing mounted to an inner surface of the metal bracket, and a security pin having a pin head that is encased within the second collar with a close tolerance therebetween, and a pin shaft of a smaller diameter than the pin head that extends inwardly from the pin head through an opening in the locking mechanism.

Abstract: A bolt mechanism comprising a backing plate adapted to be mounted on a complementary surface of a flat panel, a bolt assembly housing attached to the backing plate, a sliding bolt assembly carried on the bolt assembly housing one end of which has a bolt mechanism adapted to engage and latch to a striker, a spring on the housing for keeping the end of the bolt extending out of the bolt assembly housing, the backing plate being adapted for attachment to and detachment from an actuator housing assembly.

Abstract: The present invention, in some embodiments thereof, provides a safety lock for enabling partial opening of a door. The safety lock includes: (i) a first lock member configured for being installed at an opening of a doorframe of the door, wherein the first lock member includes a movable element and at least one track for allowing the movable element to slide there through, wherein the movable element comprises an opening. (ii) a second lock member comprising a protruding section, wherein the protruding section is configured for being inserted into the opening of the first lock member, installed at the doorframe, for allowing thereby pulling of the movable element for allowing partial opening of the door and removing the protruding section from the opening for opening the door.

Abstract: A structure of the lockable door includes a door cover, a first sliding member, a fastening member, and a second sliding member. The door cover is hinged to a case, and can selectively cover an opening of the case. The first sliding member is inserted through the door cover, and can be slidably mounted on one side surface of the door cover. The fastening member is slidably mounted on the other side surface of the door cover, and has at least one protrusion. The first sliding member is inserted through the fastening member, and the first sliding member and the second sliding member are connected to each other. When the first sliding member is in a retaining position, the second sliding member moves to be on the protrusion, and the first sliding member presses the door cover towards the second sliding member, so as to enhance waterproofness.

Abstract: A cover is releasably secured to a fitting base. The fitting base includes a bottom and sidewalls with a top edge. The cover includes a top having a latch receiving area, a bottom opposite the top and a sliding latch. The sliding latch is positioned on the latch receiving area of the cover. The sliding latch includes a first end with a finger tab, a main body and a second end with locking feet. In the closed position, the sliding latch secures the cover to the cable fitting base.

Abstract: A system for preventing ingress of liquid into an opening in a computer casing may include a door rotatably connected to the computer casing, a layer of material adhered to the door and having a chamfered edge, a bar movably connected to the computer casing and operable for travel in a first direction or a second direction opposite the first direction and a spring having a first end connected to the bar and a second end connected to the computer casing for biasing the bar in the first direction of travel. Closing the door causes the layer of material to contact a recessed surface of the opening and deflect the chamfered edge to form a seal in the recessed opening. Moving the bar in the first direction retains the door relative to the computer to maintain the seal formed by the layer of material.

Abstract: A gate latch includes a bracket including a vertical backplate, a lower plate, and an upper plate. Each of the plates is attached to and extends in the same direction away from the backplate. Each of the plates includes first and second throughholes, in which the first throughhole of the lower plate is vertically aligned with the first throughhole of upper plate, and the second throughhole of lower plate is vertically aligned with the second throughhole of the upper plate. The latch includes a rigid bolt including first, second, and third elongate portions, with the first and third elongate portions being connected together, the second and third elongate portions being connected together, and the first and second elongate portions being parallel. The first elongate portion is movably positioned in the first throughholes of the upper and lower plates, and the second elongate portion is movably positioned in the second throughholes of the upper and lower plates.

Abstract: A sensing system senses whether or not a lock's bolt (140), e.g. deadbolt, is aligned with a hole (150) which the bolt is to engage in the locked state. In electronic locks, the bolt is not driven into the hole until the sensing system indicates that the bolt is aligned with the hole. Another sensing system senses the position of the bolt and/or a dead-latch bar (1310). This sensing system is spaced from the bolt's end engaging the hole in order not to interfere with the alignment sensing. The two sensing systems are used to determine whether the lock is locked or unlocked. A magnet system provides alignment assistance to align the bolt with the hole before the bolt is driven into the hole. Position encoding for lock and non-lock devices, and other features and embodiments are also provided.

Abstract: A locking device is provided for locking a container having sidewalls and at least one lid defining an open position and a closed position. The locking device may include an elongate lock member configured to engage the lid(s) and a lock housing that is associated with at least one of the sidewalls. The lock housing may be configured to at least partially receive the elongate lock member. The locking device may be designed to be installed on the container in the field, or the locking device may be integrally formed with the container. The lock housing may include a security element that is detectable by a security system to guard against theft of the container. In some cases, a security module is provided that releasably attaches to the lock housing to provide further alarm functionality.

Abstract: The invention relates to a window lock having a trigger and a bolt, the trigger being rotatable about an axis of rotation and the bolt being movable from a locked position to an unlocked position. The bolt also includes a first clip and a second clip and the trigger includes a stop and a ramp. The trigger rotates about the axis for engaging and disengaging the ramp and the stop with the first and second clips for moving the bolt between the locked and unlocked positions. The invention further relates to a window lock that automatically locks without user intervention.

Abstract: A mounting apparatus is secured to a front wall of an enclosure. A door is rotatably attached to the front wall. The front wall includes a first securing portion and a second securing portion. The mounting apparatus includes a sliding rail for being attached to the front wall and a mounting member slidably attached to the sliding rail. The mounting member includes a mounting portion for engaged with the first securing portion or the second securing portion. When the mounting portion is engaged with the first securing portion, the mounting member is engaged with the door, for preventing the door from rotating relative to the front wall; and when the mounting portion is engaged with the second securing portion, the mounting member is disengaged from the door, allowing the door to open. An electronic device enclosure with the mounting apparatus is further offered.

Abstract: A gate latch includes a bracket including a vertical backplate, a lower plate, and an upper plate. Each of the plates is attached to and extends in the same direction away from the backplate. Each of the plates includes first and second throughholes, in which the first throughhole of the lower plate is vertically aligned with the first throughhole of upper plate, and the second throughhole of lower plate is vertically aligned with the second throughhole of the upper plate. The latch includes a rigid bolt including first, second, and third elongate portions, with the first and third elongate portions being connected together, the second and third elongate portions being connected together, and the first and second elongate portions being parallel. The first elongate portion is movably positioned in the first throughholes of the upper and lower plates, and the second elongate portion is movably positioned in the second throughholes of the upper and lower plates.

Abstract: According to an aspect of the invention there is provided a latching mechanism for securing exterior panels, the mechanism comprising a security element moveable between a plurality of configurations and arranged such that when a first exterior panel is fitted in place: in a first configuration the security element engages a first fixed element to latch the first exterior panel in place; and in a second configuration the security element releases the first exterior panel and physically obstructs the fitting of a second exterior panel in place adjacent to the first exterior panel.

Abstract: A gate latch includes a bracket including a vertical backplate, a lower plate, and an upper plate. Each of the plates is attached to and extends in the same direction away from the backplate. Each of the plates includes first and second throughholes, in which the first throughhole of the lower plate is vertically aligned with the first throughhole of upper plate, and the second throughhole of lower plate is vertically aligned with the second throughhole of the upper plate. The latch includes a rigid bolt including first, second, and third elongate portions, with the first and third elongate portions being connected together, the second and third elongate portions being connected together, and the first and second elongate portions being parallel. The first elongate portion is movably positioned in the first throughholes, and the second elongate portion is movably positioned in the second throughholes.

Abstract: An electronic device includes: a housing provided with an opening that accommodates a component; a cover member that covers the opening; a projecting part that projects from an inside face of the housing; a slide knob slidably provided to a surface of the housing; and an elastic slide lock member that fixes the cover member to the housing, wherein the elastic slide lock member includes: a movement part that is coupled to the slide knob, moves together with the slide knob, and is provided with a fixing projection; a fixing part that is rotatably supported by the projecting part of the housing; and a coupling part that couples the movement part and the fixing part and is elastically deformable.

Abstract: A reversible door assembly for use in a panel wall system includes a door frame assembly having first and second door jamb assemblies which are adapted to receive vertical slider members in a channel disposed along a length of the door jamb assemblies. The slider members are vertically adjustable within the channels and may include hinge mechanism such that either door jamb assembly can hingedly support a door member therefrom. As one door jamb assembly supports the door member between open and closed positions, the opposite door jamb assembly includes a vertically adjustable latch striker plate for engaging a door latch mechanism.

Abstract: A locking device for locking a leaf of a leaf installation has first and second locking elements with respective first and latching elements. The second latching element is located at an end facing the first latching element and capable of a latching operative engagement with the first latching element. The second locking element is stationarily disposed relative to the leaf installation. The first locking element is disposed with regard to the leaf to move correspondingly to a movement of the leaf, so that the first locking element is moved translationally into a locking position towards the second locking element and away from the second locking element into an unlocking position. One of the locking elements has an activating element operable to allow for the latching operative engagement between the latching elements in a blocking position and to prevent the latching operative engagement in a release position.

Abstract: A locking mechanism for locking an outer shell includes a frame adapted to be stacked with an outer shell and having a through hole for extension of an engaging piece of the outer shell therethrough, a locking element disposed movably on the frame, and a release button disposed slidably on the frame. The locking element has a hook-engaging portion, and a contact portion opposite to the hook-engaging portion. The hook-engaging portion is extendable to the through hole for engaging releasably the engaging piece. The release button has one end abutting against the contact portion. The release button is operable to push the contact portion, which in turn moves the hook-engaging portion to disengage from the engaging piece.

Abstract: A latch mechanism for selectively fastening a dirt cup to a vacuum cleaner having a locking recess. The latch mechanism can include a latch member having a portion that is selectively received in the locking recess and a cam follower surface, and a latch actuator comprising at least one button with a cam surface that faces the cam follower surface. When the latch mechanism is actuated, the cam surface bears against the cam follower surface, which initiates vertical movement of the latch member relative to the latch actuator. The latch member is thereby moved from a latched position in which the portion of the latch member is received within the locking recess to an unlatched position in which the portion of the latch member is removed from the locking recess, thereby allowing the dirt cup to be removed from the vacuum cleaner.

Abstract: A locking device includes a body portion and a flange portion. The body portion is configured to slidably engage a horizontal portion of a door. The flange portion extends from an edge of the body portion such that the flange can engage at least a portion of a structure adjacent to the door.

Abstract: A seat latch for use in retaining a seat back or other element in a locked position. The seat latch may include a lifting element configured to lift a locking fork into locking engagement with a retaining hook. The lifting element may be a spring that experiences increased tension when the seat back is folded into an upright position. The increased tension can cause the spring to lock the seat back relative to the retaining hook.

Abstract: A latch which is suitable for latching a window in a closed and sealed position. The latch has latch furniture 10 adapted to fit into a window section S with minimal protrusion from the section. The furniture includes a sealing lever handle 17 and a latch release handle 16 located in a recess 15 in the latch furniture. The latch further includes a latch mechanism 11 adapted to engage with the latch furniture 10. The latch mechanism 11 has one or more latch bolts 65 operable by the latch release handle 16 and a latch pin 41 engageable with a striker assembly which is mounted to a section of a window frame. The latch pin 41 is coupled to the sealing lever 17 whereby operation of the sealing lever 17 moves the window section S into a sealing position relative to the striker assembly.

Abstract: An electronic device including a casing, a cover, a latching member, and a limiting member is provided. The casing has a space and a stopping portion on an inner wall of the casing and in the pace. The cover is detachably assembled to the casing for covering the space. The latching member on the inner wall of the casing and in the space has a body moving relative to the casing between a first position and a second position and a limiting portion with a limiting route. The stopping portion is in a moving path of the latching member. The limiting member is assembled to the casing and interferes with the limiting portion. When the limiting member interferes with the limiting portion, the body is limited at the first position and a third position between the first position and the second position relative to the casing.

Abstract: An improved slide bolt locking mechanism is capable of selectably releaseably fastening both overhead doors and swing doors to its surrounding door frame. A portion of the traditional slide bolt is replaced by a lighter actuating mechanism outwardly of the door-transom interface and a form fitting handle. The handle includes an alignable eye assembly capable of securement by a pad or combination lock.

Abstract: A multi point door lock device featuring a casing adapted to operatively engage the communicating components of the door lock. A removably engageable latch module slidably engages with the casing. A latch is reversibly engaged into the latch module with an allen screw and allows for user reversal to accommodate different door installations. The latch module also provides a switch for changing between first and second modes of operation to provide an external day latch function. The switching lever protrudes through the face plate on the side of the door.

Abstract: An electrically controlled door lock device with a lockset with an inside handle, an outside handle, a spring loaded continuous spindle, biased to maintained a lockset's latch in a projected position and connecting the lockset and the outside handle, a first half and a second half of a clutch connecting the continuous spindle and the inside handle with a spring maintaining the second half of the clutch in predetermined position relative to the first half of the clutch. There is also a mechanical means blocking the first half of the clutch from rotation and electromechanical means controlling the blocking means, the mechanical means built into the second half of the clutch, allowing the second half of the clutch a predetermined degree of free rotation before it engages with the first half of the clutch, the mechanical means built into second half of the clutch, mechanically inhibiting the blocking means.

Abstract: A roseless trim for a mortise or tubular lock includes through bolts on a bolt circle of less than one inch (25.4 mm). Spindle hubs with a curved slot allow at least one of the through bolts to pass through the spindle hubs. A tubular lock embodiment uses arms with a cutout. The arms function as through bolts when screws attach the arms to mounting plates on opposite sides of the door. Each handle is attached to a corresponding handle base with a bushing. The handle base and small diameter bolt circle cooperate to provide the appearance that the handle extends directly into the door without a rose, escutcheon or any other attachment structure at the base of the handle.

Abstract: In a damping mechanism for a pivot door arranged in a door frame, comprising a door fixture arranged in or on the door panel, a frame fixture arranged in or on the door frame, a damper arrangement arranged in the door fixture or the frame fixture and a damper arrangement counter part mounted in the frame fixture or in the door fixture, a damper arrangement with a brake catcher provided with a damper member includes a spring element which pulls the brake catcher into the fixture and the damper arrangement counter part includes at least one trigger element which is abutted by the brake catcher during closing of the door, so that the damper arrangement begins to dampen the pivot movement of the door as soon as a fixture part of the door comes into contact with a fixture part of the door frame.

Abstract: A mounting apparatus is secured to a front wall of an enclosure. A door is rotatably attached to the front wall. The front wall includes a first securing portion and a second securing portion. The mounting apparatus includes a sliding rail for being attached to the front wall and a mounting member slidably attached to the sliding rail. The mounting member includes a mounting portion for engaged with the first securing portion or the second securing portion. When the mounting portion is engaged with the first securing portion, the mounting member is engaged with the door, for preventing the door from rotating relative to the front wall; and when the mounting portion is engaged with the second securing portion, the mounting member is disengaged from the door, allowing the door to open. An electronic device enclosure with the mounting apparatus is further offered.

Abstract: A seal for use with a reciprocating rod in which a small diameter portion and a large diameter portion formed on the rod defining opposed walls. The seal has an inner diameter greater than the small diameter portion of the rod such that the seal is disengaged from the rod during reciprocating movement of the rod; but sealingly engages one of the opposed walls on the rod at first and second end positions of travel of the rod. In a specific implementation, the seal and the reciprocating rod are mounted on a vehicle fuel door housing for sealingly locking the fuel door in a closed position.

Abstract: A hook module of an electronic device is disclosed. The hook module includes a base and a hook body. The base includes two positioning pillars and a side board, and the hook body is located on the base with one end passing through the side board. The hook body includes two elastic arms located at two edges of the hook body, respectively, and each of the elastic arms includes an abutting portion. When the hook body is moved by force applied on it, the two abutting portions abut against the two positioning pillars. The two positioning pillars and the two abutting portions move relative to each other to make the two elastic arms deformed, and an elastic restoring force generated from the two elastic arms drives the hook body to restore.

Abstract: A security device for a sliding door or sliding window assembly comprising a base plate and a removably interlocking stop member. The base plate is securely fastened to the floor or window sill, respectively, in close proximity and along the path of movement of a sliding door or sliding window, by means of a plurality of openings for receiving screws. The stop member, while engagingly disposed in the interlocked, in use position, prevents the sliding door or sliding window from opening at all or past a predetermined point. The base plate and stop member are each formed having an interlocking means element, adapted to receive, matingly, the others interlocking means element. The stop member features a blocking element, which projects into the path of the sliding door or sliding window, while in the in use position. Removing the stop member allows normal movement of the sliding door or sliding window.

Abstract: Disclosed is an overhead door lock with a mounting plate which mounts to a door header and has a locking aperture therein; a barricade with a bracket which fastens to a top of an overhead door and a faceplate affixed thereto, the faceplate having an aperture and a flange extending generally perpendicularly to the faceplate, the flange having an aperture; and a coupling sized to pass through the faceplate aperture and having a first end which affixes into the mounting plate locking aperture and a second end with an aperture positioned such that when the first end of the coupling is inserted through the faceplate aperture and affixed into the mounting plate locking aperture, the coupling aperture and the faceplate flange aperture are coaligned for inserting a locking device which prevents the overhead sliding door from being opened, either from the outside or inside.

Abstract: In a drive train between a door handle having a first axis of rotation and a rotary lock part carried on a door to have a second axis of rotation, the drive train accommodating to possible misalignment of those axes, the drive train including a carrier, a rack carried by the carrier, and movable in a first lateral direction in response to door handle rotation, a gear located to rotatably drive the rotary lock part in response to rack movement in the first lateral direction, relative to the carrier, and means to adjust the position of the rack in a second lateral direction, to compensate for mis-alignment of the first and second axes.

Abstract: A sterilization cassette has a slide latch system to secure the lid of the cassette to the body of the cassette. A finger tab on the outside of the cassette moves a latch arm on the inside of the cassette along a slot. A tension spring secures the position of latch components whether the latch is open or closed. Spacers between the cassette and latch parts facilitate smooth gliding action. The latch arm engages an angled bracket on the lid of the cassette. Alternating notch depths on instrument rails within the cassette work with opposing rails that likewise have alternating depths of notches to capture and hold instruments. This notch configuration causes the handles of adjacent instruments stowed in the cassette to stagger in height so that a clinician can access the handles of the stowed instruments.

Abstract: A door for mission critical enclosures, for example, cabinets containing sensitive items, such as electronics that may be exposed to high stress environments, for example shock and vibration. The door structure described provides improved mounting and lock features that can allow easy access while maintaining rigid structural needs and integrity. A door assembly for a cabinet generally includes a door that can be fitted directly, or indirectly, to an enclosure through an adapter frame. Generally, the door has fitting structures that operate as interlocking, tight fitting key sets. The fittings provide suitable detent features. An actuatable lock mechanism respectively locks and unlocks the door. The actuatable lock mechanism includes a ramped locking bolt that can engage a ramped surface of the cabinet or adapter frame to facilitate locking and unlocking of the door.

Abstract: A door lock with a bolt, wherein the bolt pieces of the dual-action bolt are prevented from turning away from each other as the bolt pieces have two projections (24, 26) arranged to cooperate with the inner surface (30) of the front plate. In relation to the support of the bolt piece on the shaft (29), one of the projections (26) is arranged on the opposite side in the axial direction compared to the other away-facing projection.

Abstract: A baby gate assembly which opens automatically only when detecting a designated person, by IR detection, RFID tagging or voice recognition. One or more IR detectors are mounted on a telescopic mast, enabling designation by height selection and the sensed signal compared with a datum or another IR facing in an opposite direct to provide signal operating reversible stepping motor to unlatch the gate. The control circuitry maintains the gate unlatched for sufficient time for the designated person to push open and walk through the gate in a hands free operation. A pedal release mechanism is also enabling unlatching during a power cut. The automatic and pedal unlatching mechanisms are linked for lost motion permitting independent operation.

Abstract: A latch, latching system and other components are disclosed that are particularly well suited for use with the heavy doors of armored military vehicles. Some component embodiments are usable in normal and emergency modes to provide access, entry, egress and rescue through vehicle door openings. Included among the disclosed components are latches having separate operating components that can be used to retract spring projected latch bolts and that usable advantageously in pairs and readily reconfigurable for use on left, right, front and rear doors of a vehicle at locations where door thicknesses differ. Also disclosed are operating linkages intended to extend exteriorly of door armor to turn shafts to operate latches situated interiorly of the door armor.

Abstract: An improved security system to prevent unwanted entrance through a hinged barrier, such as, but not limited to a door, is provided and comprises a member associated with the barrier, whether internal or eternal to the barrier, and adapted to extend from a first length to a second length. An actuation mechanism is coupled to the member and is adapted to extend the member from the first length to the second length and to contract the member from the second length to the first length. A receptacle is provided adjacent the barrier for receiving a portion of the member when the member is extended by the actuating mechanism. A hinge assembly is provided and is disposed substantially opposite the receptacle and adjacent the barrier and is coupled to another end of the member, such that when the member is actuated to the extended position, the member, receptacle and hinge assembly form a security system to prevent unwanted entrance through the barrier.

Abstract: The present invention is a dual door release handle and related mechanisms for use with cabs of industrial vehicles that an operator may reach from outside of such a cab in order to fully release a door that has been propped open in order to close it. The dual door release handle of the present invention includes a latching mechanism having a handle mounted on the inside of the cab that extends into the doorway such that it may be reached through the open door of the cab by an operator who is located outside and/or below the cab. A linkage is provided between this handle and an operable device associated with the release mechanism inside the cab. The linkage is operatively attached to the handle and to the release mechanism such that turning the handle causes the linkage to move the release mechanism. Movement of the handle pulls the linkage and releases the holdback holding the open door against the side of the cab.

Abstract: A locking enclosure includes a base, a cover mounted on the base, and two locking members assembled on the cover. A plurality of supporting recesses and two supporting portions are defined in the base. A plurality of barbs are formed on the cover to match with the supporting recesses, and two elastic arms are assembled on the cover to engage with the supporting portions, whereby the cover is restricted to move relative to the base, and is secured on the base. The locking members each comprise a resisting portion abutting a corresponding elastic arm. The resisting portion can be operated to make the elastic arm disengage from the supporting portion, to remove the cover from the base.

Abstract: A locking apparatus uses a handle pivotally connected to a base to control the movement of a slide block slidablely accommodated in a base. The slide block includes a locking tongue. The locking tongue protrudes out of the base or retracts back into the base according to the movement of the slide block. Thus, the locking apparatus can lock the hard disk when the locking tongue protrudes out of the base and unlock the hard disk when the locking tongue retracts back into the base.

Abstract: A coupling structure couples first and second casing parts together. The first casing part is formed with a detachment hole. The coupling structure includes one resilient engaging hook projecting from the first casing part and a coupling member disposed between the first and second casing parts and formed with first and second engaging grooves. The resilient engaging hook hooks the first engaging groove in a right direction. The coupling member has a pushing element tending toward the detachment hole. One rigid engaging hook projects from the second casing part and engaging the second engaging groove in a left direction. Manually leftwise movement of the pushing element in the left direction results in simultaneous bending of the resilient engaging hook in the left direction so as to disengage the rigid engaging hook from the second engaging groove, thereby permitting removal of the second casing part from the first casing part.

Abstract: An enclosure includes a base, a cover mounted on the base, and two locking members assembled on the cover. A plurality of supporting recesses and two supporting portions are defined in the base. A plurality of barbs are formed on the cover to match with the supporting recesses. The locking members each include a securing portion movably assembled on a bottom of the cover, an operating portion mounted on a top of the cover and extending through the cover and connected to the securing portion, and a flexible member abutting against both the securing portion and the cover. The securing portion is engaged with a corresponding supporting portion to secure the cover on the base. The securing portion can be operated to disengage from the supporting portion to remove the cover from the base.

Abstract: A case locking device is provided. For example, an outer case and an inner case used for various types of electronic devices, such as set-top boxes (STB), are connected by a lock using a resilient force from an elastic material, such as a spring, so that the outer case and the inner case may be separated from each other using only a separately provided jig. Accordingly, the outer case and the inner case may be connected to each other more easily and any general user may be prevented from separating the case arbitrarily, thus making it possible to effectively prevent catastrophic failures from occurring at the electronic device due to a user's arbitrary manipulation.

Abstract: A mortise latchset has an improved leveraged cam assembly, completely internal to the latchset body, versatile enough to allow the door handles to be rotated in either direction to retract the latchbolt, and robust enough to independently bias each of two lever-type door handles toward a handle-centering position, even when one of the handles is being operated. The mortise latchset uses a pair of coaxially mounted cam followers independently leveraged by a cantilevered spring assembly. The cam followers are located between the operating cams and the latch retracting assembly, and each leveraged cam follower is operable to engage the latch retracting assembly to retract the latchbolt, while the other cam follower biases its operating cam in the handle-centering position.

Abstract: A mortise lock incorporating a modular powerpack with dual independent return mechanisms, one for the inside operator and one for the outside, using linear springs, and with a lockout feature for selective “locking out” of the return mechanisms to accommodate external operators with built-in powerpacks.

Abstract: A push-push type latch mechanism is disclosed, which includes a platform, a slide hook with an incline disposed on the platform, a spring disposed on the platform and connected to the slide hook, and at least one damping component disposed on the platform and touching the slide hook. An electronic device with the push-push type latch mechanism is also disclosed.