Abstract: An electronic assembly includes an electronic device and an external device. The electronic device includes a main body and a fixing base. The main body includes a first opening. The fixing base includes an upper cover, a cam, a first spring, a button, a second spring, a pedestal, a first retractable hook and a second retractable hook. The first retractable hook includes a first inclined protrusion structure. The second retractable hook includes a second inclined protrusion structure. The external device includes a bracket. The bracket includes a first insertion piece and a second insertion piece. The first insertion piece includes a seventh opening. The second insertion piece includes an eighth opening. The first insertion piece and the second insertion piece are penetrated through the first opening. The first inclined protrusion structure is inserted into the seventh opening. The second inclined protrusion structure is inserted into the eighth opening.

Abstract: An armrest folding mechanism is pivotally connected to an armrest and a first connecting rod of a connecting seat for folding the armrest with the retraction of the second connecting rod relative to the first connecting rod. The mechanism includes a locking member including a locking end, a connecting end, and a first rack part located between them. The locking end is releasably fitted to the armrest, and a first toothed structure is arranged on the first rack part. A pushing member includes a pushing end, a second rack part, and a second toothed structure being correspondingly arranged on the second rack part relative to the first toothed structure. An elastic element with a first end is connected to the connecting end, and a second end abuts the connecting seat. Additionally, a driving gear engages with the first and second toothed structures to cause folding of the armrest.

Abstract: A latching device for a door includes an actuator, a first rod, a second rod, a transom latch, and a side latch having a hook latch head. The actuator may include a rod holder including a lockout configured to inhibit disengagement of a rod from the rod holder. The side latch may be a mortise latch which may include a channel configured to receive a nut for alignment during installation. When installed in an associated door, the latching device may withstand multiple impacts from windborne objects or pressures induced by high winds.

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 gear arrangement is configured to apply rotational movement of the first torque blade to the second torque blade.

Abstract: A multi-point locking set, comprising an engagement member attached to a first end of an actuator plate and configured to move the actuator plate in a vertical direction, a locking member attached to a second end of the actuator plate and attached to a first moving plate and a second moving plate, wherein the locking member pivots between a retracted position and an extended position when the actuator plate moves in the vertical direction, and wherein the first moving plate and the second moving plate move in a vertical direction when the locking member pivots between the retracted position and the extended position.

Abstract: Actuator apparatus and related methods for use with vehicle locks are disclosed. A disclosed locking system for a vehicle includes a movable component of the vehicle and a lock operatively coupled to the movable component. The locking system also includes an actuator assembly. The actuator assembly includes a housing coupled to a vehicle body, an actuator supported by the housing, and a linkage mechanism connecting the actuator to the lock. The locking system also includes an input device supported by the housing. Activation of the input device causes the actuator to change a state of the lock.

Abstract: The present invention is directed to a door lock assembly for use with a door, comprising a movable locking assembly disposed within a recess formed in an edge of a door panel having one or more movable wedge shaped locking elements disposable between a locked position and an unlocked position, a drive assembly operatively coupled to the movable locking assembly for moving the movable locking elements between the locked and unlocked positions, and a latch assembly configured for coupling the door to a door frame and operable independently of the movable locking assembly.

Abstract: A locking device for a cover of a storage compartment in a motor vehicle has at least one bolt element that is displaceable by an actuating handle and, in the locked state, engages in a first storage compartment recess for fixing the cover in a closed position. At least one securing bolt engages in a second storage compartment recess and is actuable via the bolt element so that it only extends out of the second recess if the bolt element already is extended out of the first recess and which thereby secures the cover against undesirably opening in the event of accident-induced accelerations. Increased safety standards can thereby be obtained.

Abstract: A key includes a blade having an axially-extending window formed by an opening through a thickness of the blade between two opposite faces thereof, and a set of rollers mounted in series along the window, with each roller being freely rotatable around a spindle fixed transversely across the window in a width direction of the blade. The key may be a security key designed to cooperate with a pin tumbler cylinder.

Abstract: A lock mechanism for an inactive door includes a housing configured to receive a locking element from an active door lock. A slide is movably received in the housing and includes a drive bar connection element, wherein when the slide is in an unlocked position, the drive bar connection element is located in a path of travel of the deadbolt, and wherein when the slide is in a locked position, the drive bar connection element is located outside the path of travel of the deadbolt. At least one drive bar at least partially received in the housing and is connected to the drive bar connection element. The drive bar is actuated by an actuator located remote from the housing. A blocking element located within the housing, wherein the blocking element prevents movement of the slide from the locked position to the unlocked position.

Abstract: A tamper resistant lock is provided. The tamper resistant lock comprises a primary locking mechanism for locking and unlocking the tamper resistant lock with an appropriate key. A secondary locking mechanism is engaged and prevents unlocking when a sufficient force is applied to the tamper resistant lock. The force may be the result of driving a screwdriver into a keyway of the lock in an attempt to forcefully unlock the lock.

Abstract: A lock includes a housing, a cover, a lock cylinder holder, a lock cylinder, a cam, a resisting shaft, at least one latching block, and at least one first elastic member. The cover is secured to one end of the housing. A gap is formed between the cover and the housing. The lock cylinder holder is secured to the housing. The lock cylinder is rotatably mounted in the lock cylinder holder. The cam is received in the housing and secured to the lock cylinder. The resisting shaft is rotatably mounted in the housing and includes a frustum shaped end. The latching block is received in the gap. The latching block includes an inclined surface corresponding to the frustum shaped end. The first elastic member is configured to connect the latching block to the cover or the housing. An electronic device using the lock is also provided.

Abstract: An intuitively operable door locking arrangement and a method include, a lock-point arming input element that is connected directly to a handle-operated control element of the locking arrangement, rather than being connected directly to a lock-point of the door locking arrangement. The locking arrangement and method may be used in hinged single or multiple-panel installations, having single, and/or multiple lock-points, may allow keyless locking from outside, and may include a latching arrangement. In active door locking apparatuses, the lock-point is movable only through operation of the handle-operated control element. The lock point arming element is selectively moveable between an armed and a disarmed position thereof, and is configured and connected to the handle-operated control element in such a manner that the handle-operated control element may be used to move the lock-point to the locked position thereof only when the lock-point arming input element is in the armed position thereof.

Abstract: A lock assembly is provided which includes a lock mechanism with cover, and a pair of vertically movable locking rods. The lock mechanism is readily mountable to a liner of a cabinet door by a clamp member which permits initial clamping of the mechanism on an inner liner of the door, after which the inner liner is mounted to an outer finish panel. After assembly of the inner liner to the outer panel, the lock assembly is clamped in an aligned position in alignment with a corresponding lock aperture in the outer panel. The lock assembly further includes a fastener-free connector arrangement between a lock rack of the lock mechanism and the locking rods which is slidably driven thereby. A cover is snap fittingly mounted on the inner liner to guide the locking rod and prevent disengagement from the lock rack.

Abstract: To provide a storage container which can inhibit and prevent generation of dust due to the motions of an advancing and retracting element, whose door element can be formed with a reduced space and thickness and which can prevent contamination of the articles accommodated therein, the storage container includes a container body 1 for storing precision substrates, a door element 10 that opens and closes the front of container body 1 and a locking mechanism 20 for locking and unlocking door element 10 that covers container body 1.

Abstract: Disclosed herein are various exemplary mechanisms by which external forces applied to doors and their locking mechanisms are deflected or directed away from the critical components of the locking system thereby preserving the integrity of the locking system and preventing unauthorized entry. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.

Abstract: A lock and key mechanism comprising a sensor detecting friction between first and second nanostructured surfaces and a controller receiving output from the sensor and comparing same to stored values. Also a method for activating or deactivating a lock comprising providing a first nanostructured surface, causing a second nanostructured surface to frictionally interact with the first nanostructured surface, sensing the interaction with a sensor, the sensor producing an output signal, and via a controller comparing the sensor output signal to a reference signal.

Abstract: A locking system for integrating into an entry door having a vertical expanse and providing simultaneous multi-port locking along the vertical expanse of the entry door. The locking system includes a rod positioned along the vertical expanse of a length at least co-extensive with a plurality of deadbolt locks positioned within the entry door. A plurality of deadbolt locks that provided space along the vertical expanse and a plurality of swing arms, each swing arm pivotally connected to the rod on first end thereof and connected to a deadbolt lock on a second end thereof. An actuator is employed for shuttling between first and second positions of the rod causing the swing arms to simultaneously extend the deadbolt locks for locking the entry door and withdrawing the deadbolt locks for unlocking the entry door.

Abstract: A lock assembly that secures a door to an adjacent frame. The assembly includes an elongated base, a cam assembly mounted to the base including a housing, a lever, and a sliding member having a first end slidably connected to the lever and movable in a direction perpendicular to the base by rotation of the lever, an extension actuator having a proximal end movably connected to a second end of the sliding member, and a lock mechanism mounted to the elongated base and movable between unlocked and locked positions. The second end of the sliding member extends to a position within the housing upon full rotation of the lever. The extension actuator and base may permit modular addition of lock mechanisms at multiple locations.

Abstract: A latch has a pair of oppositely acting latch bolts slidable on a housing that are engageable with latching formations on a strike. The housing has a pair of substantially parallel posts configured to shield portions of the latch bolts during insertion into and withdrawal from openings defined by the strike. A plug is turnable on the housing to slide the latch bolts toward and away from each other between latched and unlatched positions. In lockable embodiments of the latch, the plug may be provided with a keyway into which a key can be inserted and turned to move the latch bolts; and, in some embodiments, the latch bolts are retained in their latched positions when the key is removed.

Abstract: A multipoint lock including a locking mechanism adapted to selectively retract and extend at least one locking element relative to an elongate housing, wherein the locking mechanism includes an arm pivotally attached to a lock actuator and constrained to travel in a channel formed in a linkage device linked to the at least one locking element, and wherein in a first position of the lock actuator, the arm is at a first limit of travel in the channel and is pivoted in a first angular direction with respect to the lock actuator so as to be geometrically locked at the first limit of travel.

Abstract: A lock assembly that secures a door to an adjacent frame. The assembly includes an elongated base, a cam assembly mounted to the base including a housing, a lever, and a sliding member having a first end slidably connected to the lever and movable in a direction perpendicular to the base by rotation of the lever, an extension actuator having a proximal end movably connected to a second end of the sliding member, and a lock mechanism mounted to the elongated base and movable between unlocked and locked positions. The second end of the sliding member extends to a position within the housing upon full rotation of the lever. The extension actuator and base may permit modular addition of lock mechanisms at multiple locations.

Abstract: A lock assembly is provided which includes a lock mechanism with cover, and a pair of vertically movable locking rods. The lock mechanism is readily mountable to a liner of a cabinet door by a clamp member which permits initial clamping of the mechanism on an inner liner of the door, after which the inner liner is mounted to an outer finish panel. After assembly of the inner liner to the outer panel, the lock assembly is clamped in an aligned position in alignment with a corresponding lock aperture in the outer panel. The lock assembly further includes a fastener-free connector arrangement between a lock rack of the lock mechanism and the locking rods which is slidably driven thereby. A cover is snap fittingly mounted on the inner liner to guide the locking rod and prevent disengagement from the lock rack.

Abstract: A multifunctional vehicle lock including a cylinder lock comprising a rotatable tumbler, a coupling member rotationally linked to the tumbler, wherein rotation of the tumbler rotates the coupling member, a first vehicle locking element connected to the coupling member, and a second vehicle locking element connected to the coupling member, wherein rotation of the coupling member moves the first vehicle locking element in a translatory movement along a first axis and simultaneously moves the second vehicle locking element in a translatory movement along a second axis angled at a non-zero angle with respect to the first axis.

Abstract: A lockable case includes a base casing having two opposite first lateral walls, a top cover openably connected to the base casing, a slide block, and two slide bars disposed respectively on two opposite sides of the slide block. Each slide bar has an inner end, and a locking element to engage a corresponding first lateral wall. The slide block is disposed between the inner ends of the slide bars, and is movable between locking and unlocking positions that respectively prevents and permits inward movement of the slide bars. An actuating lever is connected pivotally to the slide block to move the slide block to the locking position. An elastic member is provided for biasing the slide block toward the unlocking position.

Abstract: A lock for installation on a pre-existing or new door is shown. The lock extends from the door through the hinge of the door and into the door frame and alternatively into the door frame and stud. This arrangement provides increased security and resistance against breaking in the door to gain unauthorized entry.

Abstract: A door locking device has several closing rods that cooperate with closing recesses or closing elements on the body of a cabinet and that may be moved by a lock from open positions into closed positions and vice-versa. The number of closing points can be increased by simple, commercially available locks and bolts, as pairs of closing rods form the push rods of at least two push rod locking devices and in that the push rod locks carry additional pinions that are mutually coupled by a coupling rod with teeth and can be moved in the same direction.

Abstract: A truck tailgate key-actuated locking mechanism is provided including a truck with a truck bed and a tailgate. At least one locking arm is pivotally mounted on the tailgate with a first orientation for allowing the opening of the tailgate and a second orientation for precluding the opening of the tailgate. A key assembly is adapted to receive a key. Such key assembly remains in communication with the locking arm for positioning the same in the first orientation upon the rotation of the key in a first direction and further for positioning the same in the second orientation upon the rotation of the key in a second direction.

Abstract: A door lock system (20) comprising a door frame (22) mounted in an entry (24) of a building (26). An entrance door (28) is hinged at (30) along one side edge to the door frame (22). The entrance door (28) has a standard door lock unit (32) to engage with the door frame (22). A structure (34) is built into the entrance door (28), for engaging with the door frame (22) at a number of other locations thereabout, so that the entrance door (28) will be strengthened against a forced entry. An assemblage (36) is built into the entrance door (28), for retaining the engaging structure (34) to the door frame (22) in a releasing manner. When a person wants to open the entrance door (28) with the stand and a door lock unit (32), the retaining assemblage (36) must first be deactivated to allow the engaging structure (34) to disengage from the door frame (22).

Abstract: A three point lock mechanism includes a lower deadbolt which respectively engage the threshold and lintel of a door or other hinged panel, in addition to the central jamb deadbolt. The mechanism utilizes a conventional deadbolt lock set for the central jamb deadbolt, with a generally circular plate being attached to the lock set to rotate therewith when the lock is turned to lock or unlock the door. An upper and a lower deadbolt actuation rod extend from the plate, and serve to actuate respectively the upper and lower deadbolts of the system by a pivoting actuator at each deadbolt. The two rods are pivotally secured to the plate 135 degrees from one another, in order to provide an overcenter weight bias of the rods to urge the upper and lower deadbolts to a retracted position when retracted, and to an extended position when extended.

Abstract: A computer enclosure has a front bezel with two doors and a two-way lock mechanism controlling the locking of the doors. The swinging ends of the doors meet at a central portion of the bezel where the lock mechanism is located. The lock mechanism includes a guide plate located at the rear of the bezel having two guide channels that receive the bolts of the lock mechanism. A lock extends through the guide plate, and its rotatable barrel attaches to a cam plate at the rear of the bezel. The cam plate has two slots, each engaging one of the bolts. The bolts slide between withdrawn and extended positions in response to urging forces from the edges of the slots as the cam plate rotates in response to the turning of the lock, thus locking and unlocking the doors.

Abstract: This invention add bolts to a cylinder deadbolt lock, to provide extra security to an entrance door from external assault. Bolts added and the cylinder deadbolt lock are interlocked with an interface mechanism, which allow to move simultaneously, the bolts added and bolt of said cylinder deadbolt lock when the latter is actuated, to open or close, with a key from the external side of the door, or with thumb turn or key from the interior side of said door. Bolts added, lock top corner of said door to a clamp on horizontal top corner of door frame, and the bottom corner of said door to a hole in the floor. This device is installed externally on the interior side of said door, to resist a kicking from a force coming from the exterior side, and also for easy installation. This device can be installed on single or double doors.

Abstract: A door lock device that includes a lock body having a plurality of latch bolts, a key holder cylinder having one cylindrical key plug and lock lever for each latch bolt. The components are fastened together by two long shaft bolts from a lever body side, so locking and a releasing are available only by operation of keys or levers equal in number to the number of cylindrical key plugs or only by identical keys.

Abstract: A secure enclosure (10) for an automated banking machine includes a door (30). A bolt (38) is slidably mounted on the door and is moveable responsive to the condition of a lock. The bolt includes front portions (56) and back portions (58). In the extended position the bolt engages a latch (60) and an angle member (52) attached to the door. In the extended position, the front portions of the bolt extend through apertures (62), (78) in the latch and angle members respectively. The back portion of the bolt engages second bolt engaging portions (80). An opposed side of the door from the latch includes projecting portions (64). The projecting portions extend in pockets (64) when the door is in the closed position.

Abstract: A door locking mechanism is disclosed including a door locking member in communication with a lock-actuated bolt which selectively allows rotation of a rotatable actuator plate member. The rotating actuator plate member is attached to a rotatable handle and to a plurality of actuator bars which move locking bolts so as to selectively prevent opening of the door. The rotatable actuator plate member enables all of the actuators to be moved from a single location so that a plurality of cams, etc., are not needed to move locking bolts positioned about the perimeter of the door between open and locking positions. In an additional aspect of the invention, horizontally extending actuator bars are adjustably attached to elongate locking bars having a plurality of locking bolts attached thereto, so as to enable assembly of the locking structures of the door locking mechanism without assembly, and to enable interchangeability of parts.

Abstract: An improved lock system structured to secure a structure closure in a closed position, the lock system including a main housing with a surrounding wall structure, an open interior and opposing outlet ends, and a pair of opposing track members disposed within the open interior of the main housing, and each having a first end and a plurality of teeth along an interior surface thereof. The track members are disposed in spaced, confronting relation from one another such that the teeth on the interior surfaces thereof confront one another. Additionally, disposed between the teeth of the track members is a drive member, including a drive segment having a plurality of drive teeth around a perimeter thereof to engage the teeth on the track members, and at least one actuator segment to facilitate exterior rotation of the drive segment resulting in corresponding lateral movement of the track members towards and away from the opposing outlet ends of the main housing.

Abstract: A lock assembly for locking and unlocking a door comprising a lock bar moveable between a locked and unlocked position, three locks, each of which have lock arms moveable between a locked and an unlocked position, and a linkage connecting the lock arms to the lock bar. The linkage has a first operating configuration whereby the lock bar moves from its locked to its unlocked position in response to the movement of any pair of lock arms from their locked to their unlocked position. The linkage also has a second operating configuration whereby the lock bar moves from its locked to its unlocked position in response to either movement by a predetermined pair of lock arms from their locked to unlocked position or the movement of the third lock arm from its locked to unlocked position.

Abstract: A bolt construction for use in an espagnolette locking system for the multi-point locking of sashes is made up of a linking rod (16) and a locking pin (17), one or the other of which is of fixed length and the other of which may be any one of a plurality of different lengths, the rod and pin being adapted to be connected together with a snap fit in any one of a plurality of different positions, thereby allowing the length of the interconnecting rod and pin to be chosen to fit a particular size of sash. The construction also provides a bolt construction for use in an espagnolette locking system for multi-point locking of sashes, which bolt construction is formed for assembly within a rebate in a face of the sash by means of a snap fit within the rebate. The construction also extends to a sash fitted with two such bolt constructions.

Abstract: A locking mechanism for furniture unit is provided which utilizes a single component for translating rotary motion of a tumbler cylinder of a key lock into reciprocating, linear motion of a pair of opposing lock rods. The mechanism includes a base having a pair of linear guide channels which are defined by spaced sidewalls, a lock rod received in each of the linear guide channels, each of the lock rods having a radially extending projection engaging the sidewalls of one of the guide channels, a key lock, and an actuator which is attached to a drive shaft connected to the tumbler cylinder of the key lock. The actuator includes a pair of arcuate channels, each of which is at least partially defined by spaced camming surfaces which engage opposing sides of the projections on the lock rods, whereby rotation of the actuator in one direction retracts the rods to the unlocked position and rotation in the opposite direction extends the rods to the locked position.

Abstract: A lock assembly for locking and unlocking a door comprising a lock bar moveable between a locked and unlocked position, three locks, each of which have lock arms moveable between a locked and an unlocked position, and a linkage connecting the lock arms to the lock bar. The linkage has a first operating configuration whereby the lock bar moves from its locked to its unlocked position in response to the movement of any pair of lock arms from their locked to their unlocked position. The linkage also has a second operating configuration whereby the lock bar moves from its locked to its unlocked position in response to either movement by a predetermined pair of lock arms from their locked to unlocked position or the movement of the third lock arm from its locked to unlocked position.

Abstract: A lock for a sliding door has at least one locking bolt adapted in use to be moved between an open position and a locking position by activation of an operating member which rotates a pinion which engages a pair of drive racks to cause movement of the locking bolt generally parallel to the longitudinal axis of the bolt and in a direction parallel to a leading edge of a door in which the lock is mounted. The locking bolt is adapted when moved to its locking position to move into locking engagement with a staple-like keep mounted on a frame for the door when the door is in a closed position. A key operated deadlock facility prevents activation of the operating member. Preferably, the lock is also fitted with a safety mechanism so that it cannot be damaged if the door to which it is fitted is closed when the lock is in a locking position, and it is also possible to provide both an automatic latching and a panic feature on the lock.

Abstract: A door locking mechanism 8 is described having an espagnolette mechanism interconnecting longitudinally movable bolts 12 at the periphery of a door 4. The bolts 12 have individual deadlocking mechanisms that serve to prevent their own movement and via the espagnolette mechanism the movement of all the other parts of the door locking mechanism 8. The bolts 12 are deadlocked by the action of a bush 26 fitted within a slot 24 in the bolts 12 and applying a transverse force thereto. The deadlocking of the bolts 12 serves to compress the door 4 shut.

Abstract: The present invention relates to a swivel lever lock which is securable by a cylinder lock device and is mountable in a thin wall, such as a sheet-metal cabinet door. The swivel lever lock includes a base plate having two projections penetrating through the door leaf. One of the projections serves for the connection of a rod drive or for an articulated shaft for a hand lever, which can be swiveled away. The projection can be used simultaneously for fastening one end of the base plate. The other projection has a recess for receiving the cylinder lock device holding the swivel lever in its swiveled-in position and can be used simultaneously for fastening the other end of the base plate. Either the base plate or the swivel lever has a recess for receiving a second cylinder lock which can be actuated independently of the first cylinder lock for securing the swivel lever in its swiveled-in position.

Abstract: A security lock for doors of dwellings, gates and the like comprises a pump-type locking mechanism for operating a bolt, and a double-bit locking mechanism for locking the pump mechanism in its locking condition. The lock preferably has both a key which can operate only the pump mechanism and a key which can operate both mechanisms. A cover made of plastics material is associated with the key and can be fitted onto the operative portion of the key in order to protect its teeth against dirt and against the risk of breakage as a result of the key being dropped.

Abstract: A door locking mechanism for a door assembly of the type having a door frame and a door mounted for pivotable movement between an opened and closed position with respect to the door frame, includes key-operated cylinder locks mountable on opposite sides of the door, the cylinder locks each having a tailpiece rotatable between a locking and unlocking position via key operation thereof. A bolt is mountable on the door and frame for locking the door in the frame when the door is in its closed position, the bolt being reciprocably movable between a locking and unlocking position. A lever is coupled to the bolt for reciprocably moving the bolt between the locking and unlocking positions thereof.

Abstract: Fastener for sliding windows comprising a case fixed on the inner face of the front stile of the sliding leaf and serving as housing for a latch hook which can be controlled from both the outside and the inside. To obtain locking at several locations of the sliding window against the window frame, the fastener is equipped with at least one control rod sliding in a faceplate housed in a front stile of the leaf, with the control rod and latch hook being activated simultaneously.

Abstract: A lock for a window on a topper cap found on pickup trucks and the like. The lock comprises an inner housing having a rotating geared pinion engaging two racks. The racks are attached to deadbolts that can extend and engage the frame tubing on opposite sides of the pinion gear. An outer housing surrounds the inner housing and the deadbolts. A handle shaft is disposed through the outer and inner housings to attach to the pinion gear. Turning the handle turns retracts or extends the deadbolts. The whole assembly can be easily installed by attaching the outer housing to the window inside surface. The housings make it difficult for intruders to open the window by tampering with the mechanical components.

Abstract: A bar lock comprising two toothed plates (1) and (2) and a rotatable cross element (3) which transmits movement to said plates. The cross element (3) is operated by two mechanisms, one internal and one external, which act independently of each other; the internal mechanism is composed of elements which are specular to the elements of the external mechanism. Each of said mechanisms comprises the following elements: a recess (25) provided in the base plate (18) and in the counter-plate (12) respectively; a rotary element (5) rotatable within said recess, the rotary element having a seat for entraining a roller (6) and having engagement means for engaging a tang of a cylinder or knob; a disc (7) rotatable with the cross element (3) and having notches (26) and (27); a slider (9) maintained in contact with the cross element by a spring (10) fixed to a spring-guide block (14).

Abstract: Dead-bolt locking apparatus includes a door-carried dead-bolt mechanism having oppositely projecting dead-bolts on dual aligned slides, and a key-controlled cam-lock unit receivable in a cavity in the dead-bolt mechanism. The cam-lock unit is inserted into the cavity with the lock of the cam-lock unit "unlocked", developing balanced outward thrust on the door-securing dead-bolt slides. Locking the cylinder lock then secures the cam-lock unit against removal and thereby locks the dead-bolt apparatus.

Abstract: A door lock structure for securement in a longitudinal cavity disposed in a door vertical free edge portion or folding door edge post, or the like. The door lock structure comprises an elongated locking rod supportingly guided in the longitudinal cavity. Each rod has a locking free end extendible above an open end of the bore above a horizontal edge of the door. The rod is normally biased in a retracted position in the cavity, with the rod locking free end disposed inwardly of the horizontal door edge. An external rod displacement element is secured to the rod for displacing the rod and the locking free end outwardly of the horizontal door edge to a locking position. A bolt engaging mechanism is disposed inwardly of the door edge adjacent the rod for engaging the rod when placed in its locking position. A key-operated cam is provided on an inside surface of the door vertical free edge portion for disengaging the rod engaging mechanism from engagement with the rod.