Abstract: The present application relates to lock assemblies that provide a secondary coupling point, utilizing an anti-rotation pin or extended tailpiece leg or other method, which rotationally couples the tailpiece to the cylinder plug, thereby preventing rotation of the tailpiece independently of the cylinder plug. Therefore, a tailpiece within a bolt cam or other actuator used to withdraw a bolt or unlock a lockset cannot be rotated after the tailpiece connector connecting the tailpiece to the cylinder plug has been forcibly removed, severed, or destroyed.

Abstract: A column alternatively supports one of a plurality of arrays of different pluralities candles in different configurations. A plurality of donation or payment mechanisms are mounted on the column for alternative modes of receiving diverse monetary transactions elements, such as cash, credit card and debit card, with resultant automated actuation of the at least one of the electronic candles upon receipt of one of the monetary transaction elements. The column includes jimmy-proof, pilfer-proof and tamper-proof features for securing cash collected in an authorized accessibly collection box. A replaceable paperboard collection box is removably disposed in the secured column.

Abstract: This is a device, which will be inserted over the doorknob and behind a deadbolt. It will prevent a deadbolt from turning in the event that someone with a key tries to enter the home or business while the space is being occupied. This device is not meant to function as a security device but only to insure greater privacy for a homeowner or business owner.

Abstract: Apparatus is simply hung on a deadbolt knob when the deadbolt is in locked position. It prevents the deadbolt knob from rotating enough to retract the deadbolt. This ensures that the door cannot be unlocked from the outside. A passage in an upper end of the apparatus is dimensioned to receive the deadbolt knob. The deadbolt knob is not round. The passage has side walls narrow enough to prevent the deadbolt knob from rotating freely within the passage. As the knob is rotated, the knob engages the side walls of the passage so that the entire apparatus rotates until the lower end of the apparatus engages the door frame. Many passages are provided so that the apparatus may be used with deadbolt knobs that have different locked positions.

Abstract: Various embodiments of the present invention are illustrated. A first embodiment is a safety cover for a deadbolt of a door. The cover includes a housing having a first open end and a second open end. The housing is mounted to the door and positioned to substantially surround the deadbolt with the first open end and to contain a deadbolt actuator knob of the deadbolt within a cavity formed from the housing. The safety cover includes a cap mountable, via the second open end, into snug mating engagement with the interior of the housing. The cap is positioned such that upon actuation the cap slides axially within the housing until an inner wall of the cap meets the deadbolt actuator knob and wherein upon further actuation the inner wall grips and rotates the deadbolt actuator knob.

Abstract: A door has a doorknob, and is hingedly mounted in a door frame having at least one vertical member. The door is capable of selective rotational movement between a closed configuration and an open configuration. The door has a first side and an opposed second side. The first side is oriented in a direction toward which the door opens. A barricade bar includes a flange member for selectively engaging the doorknob to prevent the separation of the flange member from the doorknob. The barricade bar also includes a frame member for coordinate engagement with the at least one vertical member. The frame member is rigidly coupled with the flange member. The barricade bar can be oriented adjacent the second side of the door so that the frame member engages the vertical member and the flange member engages the doorknob to prevent the opening of the door.

Abstract: A shield device is for fastener(s) of a lock assembly that is adjustable between inoperable and operable states, each fastener including a head and being removably engageable with a door to connect the lock assembly therewith. The shield device includes a barrier displaceable between a first position, where the barrier covers the fastener head to prevent removal of the fastener, and a second position where the fastener is accessible to permit removal. The barrier is disposed in the first position when the lock is in the inoperable state and in the second position when the lock is in the operable state. Preferably, the lock assembly includes a member that adjusts the lock assembly between the operable and inoperable states and the barrier is coupled with the member. As such, when the lock member adjusts the lock assembly between the two states, the barrier displaces between the first and second positions.

Abstract: A locking/unlocking device usable with a door operator having a tapered shaft including a first element possessing a surface with a recess. A second element also includes a surface such that a fastener removably holds the first element to the second element to form a unit. The unit includes an aperture formed by the recess to at least partially circumscribe the tapered shaft of the door opener. A moveable foot located on the unit is driven against the door to allow the door operator to be positioned between a locked and unlocked orientation.

Abstract: An apparatus and method for enhancing the security of a cluster box unit which includes a protective enclosure, internal cabinetry, door, hinge and locking system. The cluster box unit may also include outgoing mail compartment doors that are heavily constructed and rigidly reinforced, with the locks carried thereon protectively shielded, and with the extensible bolts of these locks being engaged by brackets that not only lock the outgoing mail compartment doors but also the master loading doors of the cluster box units. The cluster box unit may also include master loading doors are provided with hinges that extend the full height of the doors—hinges that are defined by pivotally interfitting elements of extrusions that very sturdily mount the master loading doors, that prevent prying or bending the doors in the vicinities of their hinges.

Abstract: A security tag assembly structured to discourage unauthorized removal of merchandise comprising a base including at least one magnetomechanical member normally operatively oriented in an armed mode. The armed mode is at least partially defined by the magnetomechanical member demonstrating a vibration or mechanical resonance when exposed to a predetermined resonant frequency, such as when passing through or otherwise disposed in proximity to a monitoring alarm assembly. A stabilizing assembly comprising at least one stabilizing magnet is disposed and structured to expose said magnetomechanical member to a stabilizing magnet field sufficient operative characteristics to facilitate restoration or maintenance of the armed mode of the magnetomechanical member even when exposed to a disruptive magnetic field, such as when the magnetomechanical member is attempting to be disarmed by an unauthorized source.

Abstract: A lock device for use with a key is disclosed. The lock device includes a locking spindle including a plurality of locking spindle bores and a passage extending axially along an axial length of the locking spindle, and a driver structure including a plurality of driver structure bores. An interface between the driver structure and the locking spindle forms a shear line. The lock device also includes a plurality of combination pins in the plurality of locking spindle bores, and a plurality of driver pins in the driver structure bores in the driver structure, the plurality of driver pins being respectively associated with the plurality of combination pins.

Abstract: A system, apparatus and method are described for an electronic article surveillance security tag having a magnetically releasable tack retaining system, and a magnetic detaching device for use with the electronic article surveillance tag. Other embodiments are described and claimed.

Abstract: A method, device and retrofitting kit is disclosed that will protect materials that are housed within a storage device from one or more forms of radiographic imaging. A target subject is at least partially covered with a first and second layer of radiographic cloaking material. The first layer of radiographic cloaking material is configured to defeat a first type of radiographic beam, such as a photon beam. The second layer of radiographic cloaking material is configured to defeat a second type of radiographic beam, such as a particle beam.

Abstract: A lockable container for securing assets that has an integral and internal locking mechanism and methods of use are provided. An illustrative lockable container may include first and second covers configured to move between an open position, which allows access to the asset, and a closed position, which encloses the asset. The locking mechanism of the lockable container may include a locking mate arrangement operatively coupled to at least one of the first and second covers, and a locking member that is configured to move between an unlocked position and a locked position. The entirety of the locking member may be internal to the container when the locking member is in the unlocked position. A magnetic key arrangement may interact with the locking member to move the locking member between the unlocked and locked positions.

Abstract: According to one exemplary embodiment, a portion of a lock may include a stationary member having a bore, where the stationary member can be mountable to an object. The portion of the lock can also include a movable member positioned at least partially within the bore and movable relative to the bore in an unlocking direction during a normal unlocking operation. A deformable portion can be positioned adjacent an interface between the stationary member and the movable member. The deformable portion permits the movable member to move in the unlocking direction during a normal unlocking operation and is deformable to prevent movement of the movable member relative to the stationary member when subjected to excessive force applied in an attempt to move the movable member in the unlocking direction in other than a normal unlocking operation.

Abstract: A security bar for quickly barricading a doorknob-operated, outward-opening door from inside a room, especially useful for fire safety doors used in schools and similar institutions. The bar spans the doorway from the knob to at least one side of the doorframe, with the ends of the bar overlying, and preferably directly engaging, the sides of the doorframe in a non-rotating fashion. The bar has a doorknob-engaging platform that engages the inner doorknob. A clamping member carried by the doorknob-engaging platform normally rests in a storage position out of the way of the doorknob while the bar is being applied to the door, but is quickly activated to clamp the doorknob to the platform. A lock is optionally engaged to lock the clamping member in place and prevent attempts to lift the bar out of engagement with the doorknob. Attempts to force the door open from the outside simply force the bar more tightly against the doorframe.

Abstract: A deadbolt knob restrictor used to prevent the rotation of the inside knob on the deadbolt lock. The restrictor includes a ring member designed to fit between the cover plate located on the inside surface of the door. Attached to the ring member are two perpendicularly aligned support arms with a pin-style hinge formed on their distal ends. Attached to the hinge is an L-shaped latch. Formed on the latch is a cam surface which presses against a spring loaded piston disposed between the cam surface and the support arm. The latch includes a long leg that may be disposed transversely over the ring member, and a short leg that may be placed adjacent to the wide surface of the deadbolt lock's turn knob to prevent its rotation. During assembly, the ring member is placed under the locks inside cover plate. During use the piston forcibly holds the latch in a locked or unlocked position against the turn knob.

Abstract: A lock device for use with a key is disclosed. The lock device includes a locking spindle including a plurality of locking spindle bores and a passage extending axially along an axial length of the locking spindle, and a driver structure including a plurality of driver structure bores. An interface between the driver structure and the locking spindle forms a shear line. The lock device also includes a plurality of combination pins in the plurality of locking spindle bores, and a plurality of driver pins in the driver structure bores in the driver structure, the plurality of driver pins being respectively associated with the plurality of combination pins.

Abstract: A security device is disclosed for use with an entry door lock accessible from an exterior side of the door and having a rotatable element on an interior side of the door for engaging and disengaging the lock. A lock stop precludes rotation by providing a pair of spaced stop members that receive the rotatable element in its locked position and prevent rotation thereof to its unlocked position, whereby unlocking the door from the exterior side is precluded.

Abstract: A lock including a housing having an opening for a locking bolt, a locking bolt movable between a locked position and an unlocked position, an actuator positioned within the housing, and a rotary blocking device that prevents the locking bolt from moving to the unlocked position is disclosed. The lock may optionally include a tamper resistant mechanism that is designed such that attempting to forcibly move the locking bolt from the locked position to the unlocked position while the actuator remains in the locked condition causes the locking bolt to engage the tamper resistant mechanism.

Abstract: A lock assembly with an improved burglarproof lock core has a casing, a lock core and multiple outer chambers. The casing is mounted in a lock device and has a core hole and multiple outer chambers. The lock core is mounted in the core hole and has multiple inner chambers and a keyhole. The inner chambers correspond to the outer chambers in the casing. Each locking pin assembly is mounted slidably in the corresponding outer and inner chambers and has an inner and outer locking. The inner locking pins are flush with the inner chamber when the lock device is unlocked, and at least one inner locking pin is magnetic. The outer locking pin corresponding to the magnetic locking pin is held to ensure that the lock assembly won't be unlocked when someone attempts to tap the locking pin assemblies to pick the lock device.

Abstract: A pin tumbler lock of a first embodiment includes a shell containing top pins; and a plug, rotatable within the shell, containing standard bottom pins, and a shorter bottom pin, set back from the face of the plug. A tubular key has bitings corresponding to the standard bottom pins, and a projection corresponding to the short bottom pin. When the key is inserted, the bitings and the projection press all the bottom pins to the shear line. In a second embodiment, a lock includes a shell containing top pins and a depression; and a plug, rotatable within the shell, containing bottom pins. The depression is configured and dimensioned to receive one of the bottom pins. The depression may be opposite one of the bottom pins, and there may be one more bottom pin than top pins. When the key is inserted, the bottom pins are moved to the shear line.

Abstract: In an embodiment, a lock mechanism has a lock shaft, a motor, and a lock cylinder, wherein the motor rotates a cog that moves the lock cylinder into and out of the lock shaft. The lock cylinder is oriented concentric to an axis about which the lock cylinder rotates. Rotating the cog causes the lock cylinder to rotate about the axis, which in turn causes the lock cylinder to more into and out of the lock shaft in a direction along the axis. In an embodiment, the cog has no translational motion in a direction parallel to the axis. The lock cylinder may have grooves, and the cog may engage the grooves. Rotating the cog may causes the lock cylinder to rotate with the cog, and the cog to slide within the grooves as the lock cylinder moves along the axis.

Abstract: An apparatus for preventing a deadbolt lock from being opened from the outside of a door with a key. The base is constructed from resilient material, the base defining at least one aperture for receiving one of a plurality of types of finger actuator in one of a plurality of orientations, the aperture shaped to prevent a finger actuator inserted therein from rotating relative to the base. A U-shaped plate is coupled to the base and is moveable between an extended position wherein the U-shaped plate is engageable with a member extending outwardly from the door and a storage position wherein the U-shaped plate is adjacent to the base. When a finger actuator is in the locked position and inserted into the aperture, and when the U-shaped plate is engaged with the member extending outwardly from the door, the finger actuator is prevented from moving into the unlocked position.

Abstract: An improved door lock of a cargo container having a burglarproof function is disclosed. The door lock includes a handle hub, in which supporting pieces are integrally formed, welded to a locking rod, a rear supporting piece of the supporting pieces having a fastening hole, a front supporting piece of the supporting pieces integrated with an inward locking protrusion having a screw coupling groove, a handle including a connecting part and having a locking recess with a fastening hole such that the inward locking protrusion of the front supporting piece is inserted into and locked in the fastening hole due to pivot of the handle, and a bolt fastened into the screw coupling groove through the fastening hole of the rear supporting piece. Therefore, robbery is prevented and tamper-evident is easily checked during transfer of the cargo container so that measure against the tamper-evident can be easily taken.

Abstract: Apparatus is simply hung on a deadbolt knob when the deadbolt is in locked position. It prevents the deadbolt knob from rotating enough to retract the deadbolt. This ensures that the door cannot be unlocked from the outside. A passage in an upper end of the apparatus is dimensioned to receive the deadbolt knob. The deadbolt knob is not round. The passage has side walls narrow enough to prevent the deadbolt knob from rotating freely within the passage. As the knob is rotated, the knob engages the side walls of the passage so that the entire apparatus rotates until the lower end of the apparatus engages a fixed element that prevents further rotation of the knob. That fixed element is either the door jamb or the doorknob. This immobilizes the knob and deadbolt.

Abstract: A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that extends into the protective sleeve via the longitudinal slot. A tab extends from a perimeter delimiting the longitudinal slot into the longitudinal through-hole of the protective sleeve. The tab is extended through by an associated mounting post of the lock. A lock with such a protective sleeve is also disclosed.

Abstract: A dead-bolt lock safety latch for preventing unauthorized unlocking of a dead-bolt lock with a key or lock picking tools provides a spring biased body having two legs, each leg having a leg extension, and carrying an elongate handle to provide mechanical leverage to temporarily overcome spring biasing of the body for moving the leg extensions away from one another for releasable engageable with a base portion of a dead bolt lock carried by a door. Protrusions on the leg extensions engage with diametrically opposed notches defined in a base portion of the deadbolt lock while deadbolt knob is positionally maintained in a medial space between the legs to prevent rotation thereof.

Abstract: This is a device, which will be inserted over the doorknob and behind a deadbolt. It will prevent a deadbolt from turning in the event that someone with a key tries to enter the home or business while the space as being occupied. This device is not meant to function as a security device but only to insure greater privacy for a homeowner or business owner.

Abstract: A lock guard system for efficiently securing a dead bolt lock mechanism from outside access. The lock guard system includes a stop member comprised of a base including an upper slot and a plate that includes a lower slot for receiving a sleeve and fastener. The stop member connects to an existing dead bolt mechanism by extending the fastener and sleeve through the lower slot into an existing aperture in a covering plate. The stop member is able to adjust about the sleeve and lower slot to allow the dead bolt mechanism to operate both normally or to prevent the knob that controls the dead bolt from rotating.

Abstract: A deadbolt mechanism including a lock out mechanism that functions to disable the operation of the deadbolt from at least one side of the deadbolt mechanism. The deadbolt mechanism includes a deadbolt, key cylinder, housing, turn knob and a shaft that connects the key cylinder and turn knob. To place the deadbolt mechanism in lock out mode, the turn knob is moved to the locked positioned and then pulled outward away from the door. By pulling the knob outward, the shaft engages a portion of the housing which prevents rotation of the shaft and thereby prevents movement of the deadbolt from the locked position.

Abstract: A gate assembly with moving gate members with one pivoting end and a moving end. This moving end includes upper and lower tubular members that receive the ends of a protruding reinforcement member mounted to a housing for the locking hardware. The ends of the protruding reinforcement member extend internally a sufficient distance to enhance the structural integrity of the moving end. The reinforcement member readily aligns the housing with the tubular members of the moving end and provides a sturdy structure that is tamper proof. Through openings in the walls of the housing cooperate to permit the operation of the locking hardware.

Abstract: A trailer hitch locking device for securing a trailer having a ball type hitch includes a rigid U-shaped frame member having a central lower mounting member, an upper pin shield, a locking pin having a flattened locking end, a shaft and a pin head, the locking end engaging a cylindrical security lock which engages the locking pin through a hole in the frame member, the cylindrical security lock being surrounded by a lock security collar, preventing access to the entire cylindrical lock except for the outer surface of the cylindrical lock, exposed from the lock security collar, the pin head being sunken into a pin head recess in the frame member across from the lock security collar. The pin head access prevents access to the pin, the upper pin shield prevents access to the shaft of the pin and the cylindrical security lock and lock security collar preventing access to the locking end of the pin, the pin preventing removal of the device from the applied ball type hitch of the trailer.

Abstract: An electronic article surveillance (EAS) tag 20 having a metal attaching member 34 located therein and adapted to securely and releasably receive a shaft 52 of a pin therein, whereby a predetermined arcuate probe is inserted through an opening and applies a requisite force to the attaching member 34 to release the shaft 52. There are no channels leading the authorized arcuate probe to the attaching member 34. A plurality of partitions 58 and pillars 62 are interspersed within tag 20 to deflect any unauthorized probes from engaging and detaching attaching member 34.

Abstract: A lock enhancing device for a key comprising a lock core having a cylindrical core body with a first retaining groove formed on a rear core end and a lock sleeve having with a rear housing end comprises an axial movement stopper formed as a C-shaped ring having an inner stopper circumferential surface and outer stopper circumferential surface. The inner stopper circumferential surface and outer stopper circumferential surface is capable of being disposed in relation with the lock core and core sleeve in such a manner that the inner stopper circumferential surface engages with the first retaining groove while the outer stopper circumferential surface presses against the rear housing end of core sleeve in order to enhance structural resistance against an axial force for pulling the lock core out of the lock sleeve.

Abstract: A dead bolt lock having a slot or slots for insertion on a dead bolt and legs for spanning the underlying door knob of a door to secure the dead bolt. In an adjustable embodiment the dead bolt lock includes a lock housing having a circular rim and downwardly-extending legs, with notches disposed around the curved top portion of the housing rim. A round opening in the center of the housing rotatably accommodates at least a middle plate, closed by front plate, and a rear plate, the middle plate provided with a middle plate profile slot for receiving a sliding retainer block. The retainer block alternately recesses in a corresponding retainer block slot adjoining the middle plate profile slot and extends into the middle plate profile slot for selective engagement with the dead bolt when the dead bolt lock is in locked configuration. The front plate and rear plate are connected to the middle plate and each have slots that correspond to the middle plate profile slot for accommodating the dead bolt.

Abstract: A portable door lock includes a stop member and a connection plate, wherein the stop member has a slot defined therethrough and a rod is movably engaged with the slot. The stop member has two flat sides and one of which is to be contact an inside of a door. The connection plate has a hole and a tongue splits from the hole so as to be inserted in a recess in a door jamb. Two positioning holes are defined through the connection plate so that the connection plate cab be fixed to the door jamb. At least one engaging hole is defined through the connection plate so that the rod is engaged with the at least one engaging hole. A chain is connected between the stop member and the connection plate. The connection plate does not disengage from the doorjamb when the door is opened.

Abstract: Protective enclosure having at least one anti-pry apparatus. The at least one anti-pry apparatus prevents an unauthorized operator from prying open a door panel from at least one of its sides.

Abstract: A lock enhancement arrangement for protecting a cylinder lock, from being damaged by an axial tension is disclosed. The lock enhancement arrangement comprises a lock body having a lock channel defining an axial lock cavity and an axial reinforcing cavity, a lock unit which is adapted for actuating a latch assembly, comprising a lock cylinder disposed in the lock cavity for a corresponding key to actuate the latch assembly and a pin seat radially extended from the lock cylinder at a position within the reinforcing cavity, and a retention member, having an axial retaining slot, securely supported within the reinforcing cavity, wherein the pin seat of the lock unit is substantially engaged with the retaining slot of the retention member to block an axial movement of the lock cylinder within the lock cavity so as to substantially retain the lock unit within the lock channel of the lock body.

Abstract: A system for determining the position of a bolt in a door including a locking mechanism for moving the bolt between a first locked position wherein the door is secured in position within a door frame and a second unlocked position wherein the door is moveable within the door frame. The position of the bolt is determined by a determining means and a signal indicative of the position of the bolt is generated. A transmitter is connected to the determining means and transmits a signal to a means for indicating to a user the position of the bolt. The indicating means includes a processor and receiver and wherein the transmitter transmits the signals generated by the determining means and the receiver receives the signal and provides the signal to the processor for determining the position of the bolt and generating a signal indicative of the determination.

Abstract: A lever lock system has a lever handle with a shaft and arm and a securing mechanism. The shaft passes through an aperture in a mounting plate coupled to a door. A support member has a closed rear face, an open front face and an internal region with a hollow cylinder with a hollow center extending to a central bore in the closed rear face of the support member. The central bore has a retaining lip adjacent to the open front face. The rear face is adapted to couple with the mounting plate. A push button has an open back face, closed front plate and a hollow shaft adapted to telescope over the support member with the hollow shaft adapted to telescope over the hollow cylinder. A screw couples the support member within the push button. A spring is retained over the hollow shaft of the push button.

Abstract: A lock includes a lock housing (3), a bolt (20) which is moveable in the lock housing between an inwardly withdrawn and an outwardly extended position and which includes a weakened region (36). The lock also includes a blocking element (5) fixedly arranged in the lock housing, an interlocking device (12, 14, 16), and a bolt-carried abutment element (34) which is adapted to coact with the interlocking device (16). When the bolt is subjected to an outer force that exceeds a generally predetermined force, the bolt will deform in the weakened region (36) so that movement of the bolt between the outwardly extended and inwardly withdrawn positions will be blocked by the fixedly mounted blocking element (5).

Abstract: In a first aspect, an electronic lock (12) suitable for replacing interchangeable core locks has a solenoid assembly comprising a solenoid coil (280) and a plunger (290) longitudinally aligned parallel to the rotational axis (A) of the cylinder (214) of the lock (12).

Abstract: This invention relates to an anti-twist key lock with changeable locking device, the anti-twist key lock having a key lock case, on the circumference of the key lock case having a slit and an opposite inner groove. A locking tumbler set is installed in the key lock case for interlocking the lock bolt and a front plug with receiving groove is inserted into the open end of the key lock case, then using an U-shape locating retainer to insert into the receiving groove of the front plug from the slit on the key lock case to locate the front plug and make it can be rotated freely to prevent the key lock from attacking or twisting to unlock by vandals or thieves, furthermore, the locking tumbler set can be changed by removing the U-shape locating retainer with a special tool.

Abstract: In a steering lock device wherein engagement and disengagement of a lock pin to and from a steering shaft can be selected by the rotation of a rotor, the steering lock device comprises: interlocking structure provided between a cylinder body and a joint so that when the cylinder body is pulled out from a housing, the interlocking structure causes the joint to move in an axial direction together with the cylinder body; an axial movement preventing member disposed in the housing so as to be moveable in a direction perpendicular to the axis of the joint to engage the joint and thereby prevent the axial movement of the joint when the joint is pulled out a predetermined distance; and a rotation preventing portion provided to the housing so as to engage an outer circumferential surface of the joint to thereby prevent rotation of the joint in a state that the axial movement preventing member engages the joint.

Abstract: A remote control lock structure. The lock structure includes a receiving box, a locking member, a transmission mechanism, an electric circuit element and a cover. The locking member is placed in the receiving space aligned with a screw hole of a positioning block with a round hole on the receiving box. An axle rod is extended into and out of the round hole, and one end of the axle rod is connected to a main gearing wheel of the transmission mechanism. The main gearing wheel is connected at its lateral sides with the two power transmission wheels, and two power motors are connected with the electric circuit element which provides electric power to activate one of the power motors, thereby one of the two power transmission wheels and the main gearing wheel are driven to rotate. The axle rod further drives the locking rod to rotate to make the latching rod on the front end of the locking rod extend out and retract in between the screw hole and the round hole.

Abstract: An anti-burglar device of a door locker is disclosed. The locker comprises a rotating button, a rotating shaft body, and an external gear, the rotating shaft body being fixed to the rotating shaft body having one end mounted to the external gear, the other end of the external gear provided with an axle having a spring and a sleeve, and the spring urged between the rotating shaft body and the sleeve, the interior of the sleeve provided with internal gear which is engaged with the external gear, the tail end of the axle mounted to a fixing button so that the sleeve cannot be disengaged, whereby in unlocking or locking the locker, a force is applied to move the sleeve so that the inner gear and the external gear are engaged, and the sleeve is turned to unlock or lock the latch of the locker.

Abstract: An anti-burglar device of a door locker is disclosed. The locker comprises a rotating button, a rotating shaft body, and an external gear, the rotating shaft body being fixed to the rotating shaft body having one end mounted to the external gear, the other end of the external gear provided with an axle having a spring and a sleeve, and the spring urged between the rotating shaft body and the sleeve, the interior of the sleeve provided with internal gear which is engaged with the external gear, the tail end of the axle mounted to a fixing button so that the sleeve cannot be disengaged, whereby in unlocking or locking the locker, a force is applied to move the sleeve so that the inner gear and the external gear are engaged, and the sleeve is turned to unlock or lock the latch of the locker.

Abstract: A security cover for a coin-operated car wash machine is rectangular and slides over a car wash machine. It has a partial front panel that covers the coin drawer of the car wash machine. A bar extends through the machine and through a slot in each of the side panels of the security cover. Each end of the bar extends slightly beyond the side panels of the security cover and each end has an opening through which a padlock could extend to deter theft and vandalism.

Abstract: A dead bolt lock having a slot or slots for insertion on a dead bolt and legs for spanning the underlying door knob of a door to secure the dead bolt. In an adjustable embodiment the dead bolt lock includes a lock housing having a circular rim and downwardly-extending legs, with notches disposed around the curved top portion of the housing rim. A round opening in the center of the housing rotatably accommodates at least a middle plate, closed by front plate, and a rear plate, the middle plate provided with a middle plate profile slot for receiving a sliding retainer block. The retainer block alternately recesses in a corresponding retainer block slot adjoining the middle plate profile slot and extends into the middle plate profile slot for selective engagement with the dead bolt when the dead bolt lock is in locked configuration. The front plate and rear plate are connected to the middle plate and each have slots that correspond to the middle plate profile slot for accommodating the dead bolt.