Abstract: A control structure of a door lock contains: a body, a slide plate, a clutch assembly, a head, a clutch assembly, and a guider. The body includes a chamber, a receiving groove, a motor, a drive gear, a trench, and a resilient element. The slide plate includes a holder, a trough, a lever, a lock cylinder, and a first connection orifice. The clutch assembly is received in the slide plate and includes a first annular ring, a second annular ring, and a third annular ring. The second annular ring includes two first cutouts, two second cutouts, and two recessed portions. The head includes a defining groove, a second connection orifice, and two bosses. The guider rotatably is fixed in the chamber and includes a space and at least two spiral indentations formed on an outer wall of the guider.

Abstract: A door lock system comprising a first rotary configured to control extension and retraction of the deadbolt via a primary cam mechanism; a second rotary control configured to control extension and retraction of the latch; and a link configured to retract the deadbolt in response to operation of the second rotary control when the latch is retracted by the second rotary control. The link is configured to move along a linear path normal to the movement of the deadbolt and the door latch and to contact the primary cam mechanism upon the link movement to affect deadbolt retraction and extension. A lever may be used to retract the latch in response to rotation of the first rotary control in a first rotational direction when the deadbolt is retracted by the first rotary control.

Abstract: A fastener system for securing a panel to a frame comprises one or more rotating fasteners installed in the perimeter edge of the panel. In operation, one or more cam surfaces of the fastener engage receiving surfaces of a receiver on the frame such that, upon rotation of each fastener, the panel is drawn toward the frame. In some embodiments, the panel is moved in a first direction parallel to the panel and a second direction perpendicular to the panel or in a composite diagonal direction inclined relative to the panel. The fastener system may facilitate compression of seals disposed along the perimeter edge of the panel and between a side of the panel and rabbet ledge of the frame and may further facilitate removal and maintenance of the panel.

Abstract: An interconnection assembly includes a chassis, and cam plates that are rotatably coupled to the chassis to pivot about a plurality of rotational axises. An upper cam plate is operatively coupled to a deadbolt. The upper cam plate has a cam surface. A lower cam plate is rotatably coupled to the chassis to pivot about a second rotational axis. The lower cam plate is operatively coupled to an interior latch bolt handle. The lower cam plate has a cam slot. A linkage bar is rotatably coupled to the chassis to pivot about a pivot axis. The linkage bar has a first linkage portion having a first cam follower configured to operatively engage the cam surface of the upper cam plate and has a second linkage portion having a second cam follower operatively received in the cam slot of the lower cam plate.

Abstract: The disclosure relates to a magnetic-actuation latch device. The magnetic-actuation latch device includes a housing, a latch element, a sliding plate, an elastic component, a rotating element and a limitation element. A lateral opening of the housing spatially corresponds a first magnetic block mounted on a fixed component. When a second magnetic block of the latch element is aligned to the first magnetic block, an actuation force is generated to drive the latch element to pass through the lateral opening and engage with the fixed component. The elastic component is connected between the sliding plate and the housing. When the rotating element is rotated by an external force, the sliding plate is driven to misalign the second magnetic block from the first magnetic block, and the latch element does not pass through the lateral opening. The limitation element is pivotally connected to the housing for blocking the rotating element.

Abstract: A door deadbolt device that can prevent a door from opening operates independently from the lockset installed on the door. The device is easily locked from the inside of the room with a one-handed motion using an insertable tool or key which may be carried separately or stored out of the reach of small children or unauthorized persons. The bolt is positioned so as to be pushed into a locking position under the tension of a spring, thereby easily and securely bolting the door. The present invention further allows the user to rapidly unbolt the door from inside the room also with a one-handed single motion. Optionally, the device can also be unbolted from the outside with a special tool.

Abstract: An electronic power tool device includes an electronic processor, a communication interface in communication with the electronic processor, and a wake-up sensor configured to generate a wake signal for activating the communication interface and the electronic processor responsive to a stimulus. The communication interface is configured to receive a first electronic message that includes an activation state and transmit the first received electronic message to the electronic processor. The electronic processor is configured to control the activation state of the electronic power tool device to allow or prevent operation of the electronic power tool device based on the first received electronic message.

Abstract: A latchset comprises a latch cam hub configured to rotate on a door handle tailpiece, a first and optionally also a second projection extending radially outward from the hub, a sliding actuator comprising an elongated body and a first tooth, and a spring that resists retraction of the sliding actuator and urges the first projection against the first tooth. The latch cam is operative to retract the sliding actuator when a coupled door handle is rotated in only one rotational direction, such that rotation of the coupled door handle in the opposite rotational direction is inoperative to retract the sliding actuator. The hub is configured to be rotated by 90° during installation to set the latch cam to operate in an oppositely handed door. The latch cam prevents lost motion in eight door configurations.

Abstract: The dual lock system can have a primary lock having a first bolt, a first external access control interface, a handle on an internal face of the door, a first mechanism to control the retraction of the first bolt based on either one of the first external access control interface and the handle, the first mechanism having an actuator which is moveable vertically in response to the activation of the handle; a secondary lock having a second bolt, a second external access control interface, a second mechanism to control the retraction of the second bolt based on the second external access control interface, the second mechanism having a rotary shaft linked to the retraction of the second bolt; a connecting element connected to transfer the vertical movement of the actuator to a rotary movement of the rotary shaft, wherein both the first bolt and the second bolt are retracted upon activation of the handle.

Abstract: A double latch lockset, or its kit form, generally includes first and second retractable latches connected by a drive assembly. The first retractable latch may be activated by a first inside and/or outside actuator, and the second retractable latch may be activated by a second inside and/or outside actuator that activates the second retractable latch (such as a deadbolt) independently of the first retractable latch. Movement of the first inside and/or outside actuator in a first direction simultaneously retracts the first and second retractable latches, and movement of the first inside and/or outside actuator in a second direction locks the second retractable latch. The first inside and outside actuators may be configured to move in the second direction without retracting the first retractable latch.

Abstract: An exemplary lock cylinder includes a shell, a plug positioned in the shell, and a locking assembly. The locking assembly is configured to prevent rotation of the plug when no key is inserted, and to permit rotation of the plug upon insertion of any of a plurality of keys having different bitting profiles. The locking assembly may further be configured to prevent key extraction when the plug is in a rotated position.

Abstract: Electronic door stop devices, an electronic door stop remote broadcast device, and a visual lockdown notification and alert device are disclosed. The electronic door stop devices include a sound-activated remote release electronic door stop that automatically detects a particular sound and releases a propped open door and a silent broadcast signal-activated electronic door stop that provides automatic closing of propped open doors, by both silent broadcast signal and particular sound detection. The electronic door stop remote broadcast device broadcasts a wireless data signal to multiple silent broadcast signal-activated electronic door stops to automatically and concurrently release any doors propped open by the silent broadcast signal-activated electronic door stops. The visual lockdown notification and alert device flashes an LED visual alert in silent mode or sound-activated.

Abstract: Disclosed herein is a mechanism (30) for a lockset (10). The mechanism (30) comprises a latchbolt retractor (22) that is rotationally actuatable. The mechanism (30) comprises a rotationally mounted handle coupler (36). The rotationally mounted handle coupler (36) is rotatable by a rotation of a handle (12) when coupled thereto and comprises an adaptor receiver (46) for receiving any one of a plurality of adaptors (48,52,54). The rotationally mounted handle coupler is configured to engage with at least one of the plurality of adaptors (48,52), but not all of the plurality of adaptors (54), for transmission of the rotation of the handle (12) to a latchbolt retractor actuator (22).

Abstract: An interconnected lock has adjustable offset spacing between latchbolt and deadbolt lock mechanisms, and a sliding pusher mechanism therebetween. The pusher mechanism is operable upon operation of an interior actuator to bear against the deadbolt lock mechanism and move the deadbolt along the second axis from the latched to the unlatched position at the same time that the operation of the interior actuator moves the latchbolt along the first axis from the latched to the unlatched position. The pusher mechanism includes an arm that bears against the deadbolt lock mechanism and may be retracted and extended between a first length and a second, longer length when changing offset spacing between the deadbolt and latchbolt. The arm is extendable from the first length to the second length without adding or removing any components thereof.

Abstract: In a door lock, a locking mechanism includes an outer wheel, an inner wheel disposed inside the outer wheel and operable to rotate relative to the outer wheel, a clutch member disposed in the inner wheel and normally biased to radially extend from the inner wheel into the outer wheel to interengage the inner and outer wheels, and an arm plate sleeved around the inner wheel. When the inner wheel rotates in a first direction, the arm plate is driven by the inner wheel to actuate the deadbolt. When the inner and outer wheels are interengaged, the inner wheel drives the outer wheel by rotating in a second direction. When the inner wheel disengages from the outer wheel, rotation of the inner wheel in the first or second direction is idle relative to the outer wheel.

Abstract: A latch assembly for a door includes automatically deployable deadbolt. When the door is closed and the latch engages a strike plate, the deadbolt automatically extends into a corresponding opening in a door jamb to secure the door.

Abstract: A deadbolt assembly with a latch assembly and a lock cylinder. The deadbolt assembly includes a first torque blade longitudinally extending along a first axis and a second torque blade longitudinally extending along a second axis. The second torque blade is operatively coupled with the latch assembly to actuate the bolt between the retracted position and the extended position. The deadbolt assembly includes a geared arrangement operatively coupling the first torque blade and the second torque blade. The geared arrangement is configured to apply rotational movement of the first torque blade to the second torque blade.

Abstract: An integrated circuit device is provided. The integrated circuit device may include a central processing unit (CPU) configured to operate in one of a plurality of modes and a wake-up control circuit configured to control the CPU. The wake-up control circuit may include a clock generator configured to generate an internal clock signal, a multiplexer configured to select a signal from among an external signal and the internal clock signal and to provide the CPU with the selected signal as an operating clock signal, and a controller configured to control the CPU and the clock generator based on the external signal.

Abstract: An electric door lock includes a lock device and an electric control device. The lock device includes a latch bolt, an inner cover seat, and a handle mechanism driving movement of the latch bolt. The inner cover seat has an inner cover having an inner receiving room, and a window that is communicated with the inner receiving room. The electric control device electrically controls the lock device, and includes a middle circuit board fixedly received in the inner receiving room, and an inner circuit board removably received in the inner receiving room, removably connected to the middle circuit board, corresponding to the window in position, and removable from the inner receiving room through the window.

Abstract: A door lock system comprising a first rotary configured to control extension and retraction of the deadbolt via a primary cam mechanism; a second rotary control configured to control extension and retraction of the latch; and a link configured to retract the deadbolt in response to operation of the second rotary control when the latch is retracted by the second rotary control. The link is configured to move along a linear path normal to the movement of the deadbolt and the door latch and to contact the primary cam mechanism upon the link movement to affect deadbolt retraction and extension. A lever may be used to retract the latch in response to rotation of the first rotary control in a first rotational direction when the deadbolt is retracted by the first rotary control.

Abstract: A lock structure includes a case, a first latch, a second latch, a transmission member, a transmission module, a swaying plate and a driving plate, wherein the transmission module is rotated to drive the swaying plate and the transmission member to perform swing action for making the swaying plate driving the first latch being hidden into the case. In addition, the driving plate moves upwardly by swing action of the transmission member, and the driving plate drives the second latch in operation for making the second latch being hidden into the case.

Abstract: A deadbolt lock assembly comprising a retractable and extendable deadbolt, a housing, an outside member movably mounted on the housing, the member being normally disconnected from the deadbolt, and an operator input device on the housing, the device connecting the member to the deadbolt in response to presentation of an appropriate credential, such that a force applied to the member by the operator is mechanically transmitted to the deadbolt to move the deadbolt.

Abstract: Provided is a door mortise lock that may improve product safety and user convenience by enabling a latch bolt operates to be unlocked after a dead bolt of the door mortise lock completely operates. To this end, the door mortise lock includes: a dead bolt driving unit that operates a dead bolt; a latch bolt driving unit that unlocks a latch bolt when a time interval passes after the dead bolt is unlocked by the dead bolt driving unit; and a connection unit that is disposed between the dead bolt driving unit and the latch bolt driving unit, and selectively operates the dead bolt driving unit and the latch bolt driving unit so that the dead bolt and the latch bolt are sequentially unlocked with a time interval.

Abstract: A lock structure of dual protection includes a lock core rotating shaft, swing rod, push rod, brake shoe and handle rotating shaft coupled pivotally to a door handle configure on a lock, wherein a first latch element is configured above the swing rod, and a second latch element at one side of the handle rotating shaft, allowing the first latch element and second latch element to be in respective connection with indoor and outdoor card readers through a control circuit. Whereby, the lock must be unlocked by swiping an access card outdoors or indoors while being locked, and a user is allowed to turn a door handle to unlock the lock indoors or outdoors by means of the motion of the first latch element of second latch element subjected to or released from magnetic suction while the access card is swiped so that the dual protection can be achieved.

Abstract: A multi-function door lock system, comprising in combination, a frame having opposite sides, and installable on a door openable between an interior space and an exterior space, a deadbolt and a door latch carried by the frame to move between retracted and extended positions, a first rotary control located at one level on the frame to control deadbolt movement between extended and retracted positions via primary cam mechanism, a second rotary control at another level on the frame to control latch movement between extended and retracted positions, via secondary cam mechanism, means operatively connected between said secondary cam mechanism and the primary cam mechanism to effect deadbolt movement as aforesaid, in response to operation of the second rotary control, as effected via rotary input to the second rotary control from only one side of the frame. Means is also provided to be responsive to reverse rotation of the first rotary control to effect latch retraction independently of deadbolt displacement.

Abstract: A door latch actuator includes a cage fixedly attached to a first surface and a torque plate coupled to the cage for rotation about a spindle axis. The torque plate includes a first engagement portion. An input member is rotatable about the spindle axis between a rest position and an actuated position. The input member has an actuator axis that is normal to the spindle axis. A spindle is coupled to the input member and includes a second engagement portion that is selectively engageable with the first engagement portion. The spindle is movable between an engaged position in which the torque plate holds the spindle and the input member in the rest position, and a disengaged position in which the spindle and the input member are movable with respect to the torque plate to change the orientation of the actuator axis when the input member is in the rest position.

Abstract: A lock assembly for a lever type handle is disclosed. In the lock assembly for the lever type handle according to an aspect to the invention, the lever type handle is for opening and closing a door by a rotation of a handle portion. The lock assembly includes a key module rotated by a key member, wherein the key module being positioned in the handle portion, a rotary shaft rotated by a rotation of the key module and locking or unlocking the door through a dead lock member, and a rotation transmitter for transmitting the rotation of the key module to the rotary shaft.

Abstract: A latch assembly is described. The latch assembly includes a casing. The latch assembly provides for the transfer of rotational force to translation plates. The rotational force drives translation plates and extends the translation plates from the latch assembly. A first translation plate is mechanically engaged to the casing. A second translation plate is mechanically engaged to the casing. The latch assembly includes a key assembly including a rotatable cam. A toggle cam is pivotally engaged to the casing via a pivot axle, and rotating the cam contacts the toggle cam to extend or retract both the first translation plate and the second translation plate from the casing.

Abstract: A door lock includes a deadbolt and a latchbolt each movable between a thrown position and a retracted position, an inside lever operable to move the latchbolt between the thrown and retracted positions, and an outside lever configured in one of a locked and unlocked state in which the outside lever is operable to move the latchbolt between the thrown and retracted position. A thumbturn is coupled to the deadbolt and is movable between a first position in which the deadbolt is in the thrown position, the latchbolt is in the thrown position, and the outside lever is locked, a second position in which the deadbolt is in the retracted position, the latchbolt is in the thrown position, and the outside lever is locked, and a third position in which the deadbolt is in the retracted position, the latchbolt is in the thrown position, and the outside lever is unlocked.

Abstract: A lock includes a bolt having latching and unlatching positions, and a locking component having a locking position in which the bolt is prevented from moving from the latching position to the unlatching position, and an unlocking position in which the locking component does not prevent the bolt from moving. A lock cylinder includes a cam having unlocking and deadlocking positions. A deadlocking component has a disengaging position in which the deadlocking component does not prevent the locking component from moving from its locking position to its unlocking position; and when the locking component is in its locking position, an engaging position in which the deadlocking component prevents the locking component from moving. When the cam is in its unlocking position, the locking component is in its unlocking position and a deadlocking component is in its disengaging position, and conversely when the cylinder cam is in its deadlocking position.

Abstract: A locking system enabling selective handle turning direction to operate an unlocking mechanism is provided. The system comprises a handle, a gear rack driven linearly by rotation of the handle, and a plate removably coupled to the gear rack by a coupling means, wherein the plate moves in a first linear direction in response to handle rotation. When the coupling means is in a first position to couple the plate to the gear rack, a clockwise rotation of the handle displaces the plate in the first linear direction. When the coupling means is in a second position to couple the plate to the gear rack, a counter-clockwise rotation of the handle displaces the plate in the first linear direction. Movement of the plate in the first direction operates the unlocking mechanism.

Abstract: A mortise lock is provided with a reinforcing plate to enhance structural rigidity and robustness for resistance against external destructive pulling forces. The reinforcing plate is disposed in abutment with an exterior cover and a door panel, and is mounted on a mounting post of the exterior cover. The reinforcing plate has a notch to receive and engage a key lock. A securing plate may be disposed between and in abutment with the door panel and a main body of a torsional returning unit which is connected to an exterior handle to further increase structural rigidity.

Abstract: A lock assembly has a body, a latching device, a linking device and a locking mechanism. The linking device is connected to and driven by the latching device. The locking mechanism is moveably mounted in the body and has a bolt base, a pushing element, a lever element and a locking bolt. The bolt base is mounted slidably in the body. The locking bolt is slidably mounted on the bolt base and is driven to retract into or completely extends out from the body with the transmission of the pushing element and the lever element.

Abstract: An outer operational device (13) for a door lock includes cover (20) receiving a sliding block (511) and a handle (197) operatively connected to the sliding block (511). The sliding block (511) includes a sliding groove (525) having a horizontal section (528) slideably receiving a locking member (541). A driving member (44) is fixed to a connection member (595) in the cover (20) and is operatively connected to a latch (124). When the locking member (541) is in a first position, pivotal movement of the handle (197) drives the sliding block (511) to actuate the connection member (595) and the driving member (44) to retract the latch (124). When the locking member (541) is in the second position, the sliding block (511) is moved without actuating the connection member (595) when handle (197) is pivoted, and the latch (124) remains in the latching position.

Abstract: In combination, a door, two latches at an edge of the door, and door latch operating components at opposite sides of the door; displaceable structure in the door having a position blocking movement of the latches, first mechanism responsive to displacement of one of the components for displacing the structure from blocking position to allow movement of the latches, for door opening; and electrically operable actuating means for effecting displacement of the structure from blocking position to allow movement of the latches, for door opening.

Abstract: A drawer lock includes a housing with a cam received therein and the cam has a driving member. A deadlocking bolt in the housing has a driven member which is located so that it can be contacted by the driving member. A main bolt located in the housing and is driven by the cam. The main bolt has a stop portion which can be contacted by the driving member. The main bolt has an engaging stepped face. When the deadlocking bolt is pushed down responsive to closing the drawer, the driven member is engaged with the engaging stepped face by a bias force of a resilient member so that the drawer lock cannot be unlocked. When the cam rotates in one direction, the driving member contacts the stop portion to position the main bolt so that the drawer is not locked unintentionally.

Abstract: A deadbolt latch lock can mount to a door and secure a deadbolt latch in a locked position. The deadbolt latch lock can prevent a would-be intruder or thief from manipulating the deadbolt lock and turning the lock to unlock it. By retaining the latch in a locked position, there is no way to unlock the lock, even with the key, from outside of the home or business.

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: A structure for electrical locks comprises two rotational members, a latching assembly, and a controlling means. The two rotational members are respectively secured to two handles of a door. The latching assembly includes a cartridge, a sliding element, and a dividing rod. The dividing rod is fitted in the cartridge to define two lateral zones respectively corresponding to two recesses of the rotational members. The sliding member is slidably fitted in one of the lateral zones of the cartridge. The controlling means includes a pushing assembly and a solenoid. When the solenoid is de-energized, the pushing assembly can be moved forward to lock a respective handle. When the solenoid is energized, the pushing assembly can be moved back to free the respective handle. The structure can be easily applied in a door where one handle can be freely operated while the other handle can be electro-selectively operated.

Abstract: A door lock whose transmission mechanism is controlled by a key. It includes a pivotal part that drives a lock tongue to retract into or extend out of the housing. A vertical bar moves vertically to drive the auxiliary lock ensembles to open or close the lock. The vertical bar uses a horizontally shifting lock chip to control the lock. The lock chip is driven by a key via a lock core.

Abstract: In a lock drive train, the combination includes a pivoted lock bolt to be carried by a door, a casing, a rotary cylinder operatively rotatable during door opening or closing, a rack driven endwise in response to cylinder rotation, a gear rotatable by the driven rack, a pivoted lock dog driven by the gear, a bolt release lever, pivotable by the gear, between angular positions in which it is retained by the lock dog, the angular positions corresponding to extended and retracted positions of the bolt.

Abstract: A cylinder lock 1, including a housing 6 with an opening 7 for receiving a lock cylinder 12 with a radially protruding cam 17; a bolt 2 pivotally moveable between a retracted position and an extended position; a ring 15 including a radial opening 16 for engaging the lock cylinder cam 17; and a slider 20, coupled between the pivotally-mounted bolt 2 and the ring 15. The ring 15 also includes a toothed arc 18 for cooperating with a toothed rack 22 of the slider, and the slider including a recess 23 for engaging the lock cylinder cam 17. The ring 15 also has a raised flank 19 for cooperating with at least one stop of the slider.

Abstract: A combination door latch and deadbolt assembly that has first and second configurations for use with a door having a deadbolt aperture and a latchbolt aperture spaced by either a first vertical distance or a second vertical distance. The second vertical distance is less than the first vertical distance. In the first configuration, an insert slide is connected to an interconnect slide for vertical movement with the interconnect slide and the interconnect slide is operably connected to a deadbolt assembly via the insert slide. The insert slide and interconnect slide are movable vertically to move a deadbolt from an extended position to a retracted position in response to movement of an interior actuator from a first position to a second position. In the second configuration, the interconnect slide is operably connected to the deadbolt assembly without the insert slide.

Abstract: A mortise lock is provided with independently rotatable spindles and a highly accessible lock-handing selector. Also, a clutching mortise lock is provided that enables operative rotation in both directions to retract the latch.

Abstract: A reversible mortise lock for a storm door has a body, a latchbolt and an operational set. The body has two sidewalls, an actuator and a lock body plate. The latchbolt is connected to the actuator between the sidewalls and the lock body plate and has a connecting rod, a bolt head and a first spring. The connecting rod is connected to the actuator. The bolt head is mounted on the connecting rod and extends to the lock body plate. The first spring is mounted around the connecting rod. The operating set is movably connected to the body and the latchbolt and has an engaging panel and a second spring. The engaging panel is movably mounted between the sidewalls, is mounted around and selectively engages the connecting rod and has multiple pushing levers, a through hole and an engaging protrusion. The second spring is mounted on the engaging panel.

Abstract: A locking paddle handle assembly for closures has a housing with a paddle handle pivotally mounted therein, a latch which latches and unlatches the closure upon rotation of the paddle handle, and an exterior key lock with a movable member that shifts between locked and unlocked positions. A deadbolt lock selectively engages the closure frame in the locked position to positively retain the closure closed. The deadbolt lock is operably connected with the movable key lock member, such that movement of the latter between the latched and unlatched positions contemporaneously shifts the deadbolt lock between the locked and unlocked positions. A remotely operable controller may be mounted either horizontally or vertically relative the handle assembly and is operably connected to a multi-armed lock cam to power shift the deadbolt lock between the locked and unlocked positions from a remote location.

Abstract: A locking paddle handle assembly for closures has a housing with a paddle handle pivotally mounted therein, a latch which latches and unlatches the closure upon rotation of the paddle handle, and a exterior key lock with a movable member that shifts between locked and unlocked positions. A latch lock selectively engages the latch, such that when the movable key lock member is in the locked position, the latch is retained in the latched position, wherein the closure cannot be opened. A deadbolt lock selectively engages the closure frame in the locked position to positively retain the closure closed. Both the latch lock and the deadbolt lock are operably connected with the movable key lock member, such that movement of the latter between the latched and unlatched positions contemporaneously shifts both the latch lock and the deadbolt lock between the locked and unlocked positions.

Abstract: A differential linkage attachment of handles includes a first handle ring and a second handle ring placed on right and left sides, respectively, and set in a rectangular dead bolt shifting block independently. An end of the second handle ring is encircled with a first slanted latch bolt shifting plate, and an end of the first handle ring is encircled with a second slanted latch bolt shifting plate. All of the five parts turn around on a center axis. When the second handle ring turns forward or clockwise, the rectangular dead bolt shifting block or the first slanted latch bolt shifting plate is linked to turn around on the center axis independently, and when the first handle ring turns clockwise, the rectangular dead bolt shifting block or the second slanted latch bolt shifting plate is linked to turn around on the center axis independently.

Abstract: A mortise lock is provided with a reinforcing plate to enhance structural rigidity and robustness for resistance against external destructive pulling forces. The reinforcing plate is disposed in abutment with an exterior cover and a door panel, and is mounted on a mounting post of the exterior cover. The reinforcing plate has a notch to receive and engage a key lock. A securing plate may be disposed between and in abutment with the door panel and a main body of a torsional returning unit which is connected to an exterior handle to further increase structural rigidity.

Abstract: A locking assembly for a door having an outer side, an inner side and a sidewall and has an exterior assembly, a cylinder and an interior assembly. The exterior assembly is mounted on the outer side of the door and has an outside mounting seat, a press-button, a transmitting device, a transmitting board, an engaging wheel and a rotating spindle. The cylinder is mounted in the exterior assembly and has a cylinder-transmitting panel. The multi-point latch is mounted in the sidewall of the door and is connected to the exterior assembly and the cylinder. The interior assembly is mounted on the inner side of the door, is connected to the exterior assembly and the cylinder and has an inside mounting seat, a operating handle, a switch, a linking device, a seat board, an inside reset spring and a switch mount.