Abstract: A vehicle assembly includes a door and a lock. The lock is configured to selectively maintain the door in a closed position. The lock has a receptor arranged on an exterior side of the door. The vehicle assembly additionally includes a physical engagement interface disposed proximate the receptor. The vehicle assembly also includes a cover which is removably coupled to the physical engagement interface. The cover has an interior surface, an exterior surface, and an aperture extending from the exterior surface through the interior surface. When coupled to the engagement interface, the cover inhibits access to the receptor. The vehicle assembly further includes a deflectable retaining member. The deflectable retaining member is configured to deflect from a first position, retaining the cover to the engagement interface, to a second position, releasing the cover from the engagement interface, in response to insertion of a tool into the aperture.

Abstract: A lock can receive electricity from a transformer of a doorbell chime while the lock is mounted on a door. The lock can be electrically coupled to the face plate. The face plate can be electrically coupled to the strike plate of the door frame. The strike plate of the doorframe can be electrically coupled to the transformer of the doorbell chime.

Abstract: The invention provides a locking system which has at least one compartment 12 with one or more walls 13, 14, 15 and 16 defining an opening 18. There is a closure 24 for the opening 18. A fastener 22 is adapted to hold the closure 24 in a closed position relative to the opening 18 and adapted to allow the closure 24 to assume an open position relative to the opening 18 upon receipt of a suitable signal. A rail 20 is located in relation to the compartment 12. The fastener 22 is located along the rail 20.

Abstract: A door usable for after market installation of remotely actuatable locking systems is provided with a spacer element within its interior. The spacer element includes an orifice sized for accommodating a motor and locking mechanism. A tubular element is also provided through the interior of the door body adjacent to the first orifice, the tubular element being usable to accommodate wiring. A motor disposed within the first orifice can be placed in communication with a power source and/or receiver using wiring extending through the tubular element, while a lock assembly can be installed within the first orifice in operative engagement with the motor. Receipt of a remote signal by the receiver causes actuation of the motor, which then actuates the lock assembly. Use of the spacer and tubular elements enables all primary components of the remotely actuatable locking system to be installed within the interior of the door, after market.

Abstract: A lock system for controlling access, for example to a room or building, is disclosed. The lock system comprises a bolt module in which control of the bolt can be configured differently on the two sides of a leaf or door. Control of the bolt module may be provided by various locking modules, which are also disclosed herein. The bolt module is reversible for left handed or right handed operation. In one embodiment the bolt module comprises: a bolt moveable between a thrown position and a retracted position; and a first rotor assembly capable of accepting a drive element, the first rotor assembly arranged to drive the bolt. The bolt module may also comprise a second rotor assembly. The bolt module may comprise an anti-thrust member obstructing driving back of the bolt under action of an external force on the bolt. The bolt module may comprise a lockable cover.

Abstract: Disclosed herein is an apparatus for opening and closing a front entrance. The apparatus includes: a door lock housing which has an opening in which a latch bolt is disposed; first and second door handles which are provided on the door and configured to be pushed or pulled; a movable member which is disposed in the door lock housing and horizontally moved by pushing or pulling either the first door handle or the second door handle, with a lift guide block provided on the movable member; a rotating unit which includes a roller and a bent part; a latch bolt coupling unit which is locked to the bent part of the rotating unit and coupled to the latch bolt; and a restoring spring which is configured such that the rotating unit is returned to its original state.

Abstract: A structural arrangement for a lock for a refrigerator is provided and consists of a blocking device to prevent the refrigerator from being opened by unauthorized persons. A refrigerator comprises a generally parallelepipedal body provided with at least one door; the blocking device is comprised of two components, the front component that is disposed on the door and the side component that is disposed on the side. The blocking device includes a pin in the front component that is adapted to actuate to be inserted into the side component to lock the refrigerator. The blocking device also contains an actuating system that prevents unauthorized persons from opening the refrigerator.

Abstract: Disclosed herein is an apparatus for opening and closing an entrance. The apparatus includes: first and second door handles which are configured to be pushed or pulled; a moving unit which is coupled to the first and second door handles; a rotating unit which is rotatably coupled on a rotating shaft and locked to the moving unit so that when the moving unit horizontally moves, the rotating unit rotates around the rotating shaft; an actuating member which is locked to the rotating unit and moved in a direction perpendicular to a direction in which the moving unit moves; a latch unit which is fixed to the actuating member so that the latch unit is ejected from or retracted into the door by the movement of the actuating member; and a restoring spring which is wrapped around the rotating shaft and fixed to the door lock housing and the rotating unit.

Abstract: A door lever and mounting plate assembly attachable to a door and coupleable to a latch and spindle assembly in the door, including a. a mounting plate including an aperture therein mountable on the door with the aperture axially aligned with the spindle, b. a door lever assembly comprising a handle part with a bottom surface, and a pivot plate, the handle part being coupleable to the spindle, and the pivot plate being fixed to the bottom surface of the handle and having an area greater than the area of the aperture and being situated closely adjacent and underlying the aperture, such that when the handle is pivoted the aperture is at all times fully underlied by at least parts of the pivot plate, and d. a keylock cylinder mounted in the handle part with a linkage to engage and control rotation of the spindle.

Abstract: A door stop includes a body having a longitudinal axis and having angled sides defining an apex. A rotating toggle having angled sides defining an apex and a longitudinal axis is operably connected at its apex to the body at about the apex of the body. The toggle is rotatable such that the longitudinal axis of the toggle aligns with the longitudinal axis of the body in an insertion position and the longitudinal axis of the toggle is transverse to the longitudinal axis of the body in a locked position. A lock assembly is operably mounted to the body to lock the toggle in the locked position.

Abstract: Embodiments generally relate to locking devices. In some embodiments, a locking device may be used to secure, for example, a door to a wall. Embodiments of the locking device may include a corner plate and a side plate. One section of the corner plate may be oriented at an angle to another section of the corner plate. The corner plate and the side plate may cooperatively engage at least one lock to prevent relative motion between two surfaces and/or objects when the locking device is in a locked state.

Abstract: A storage cabinet including two storage compartments is disclosed. Each of the storage compartments has at least one door. The first compartment includes a locking mechanism and the second compartment includes a latching mechanism. The storage cabinet also includes a release mechanism for unlatching the latching mechanism that is accessible once the locking mechanism has been unlocked and at least one door of the first compartment has been opened.

Abstract: Embodiments of the present invention relate generally to a locker bay system. Specifically, in some embodiments the locker bay includes a catch loop coupled to the locker door and a locking mechanism that releaseably secures the catch loop to lock and unlock the locker bay. The locking mechanism, in some embodiments, includes a lock bar that pulls and pushes the catch loop in and out of the lock bar to lock and unlock the locker bay.

Abstract: A lock assembly includes a mounting fire plate configured for attachment to the door. A first lockset includes a lockset fire plate and a first operator assembly having a first operator handle. The first operator assembly is mounted to the lockset fire plate. At least one fusible link is configured to releasably couple the lockset fire plate of the first lockset to the mounting fire plate. The at least one fusible link is configured to melt during a fire condition to release the lockset fire plate from the mounting fire plate to facilitate a separation of the first lockset including the lockset fire plate from the mounting fire plate and the door by force of gravity.

Abstract: A deadbolt knob security device is provided, whereby rotation of the deadbolt knob is linked to motion of an intermediate member assembly secured to a door element positioned next to the deadbolt knob. The device comprises several embodiments for surrounding the exposed interior knob of a deadbolt, as well as several embodiments for the adjustable intermediate member assembly between the deadbolt knob attachment and door knob attachment, wherein a door knob attachment member is provided in a U-shaped configuration to surround a door knob stem. Adjustability for accommodating doors of different design and specification is provided, while an electronic security monitor is accommodated along the device to monitor for tampering of the device while installed.

Abstract: A security device for a handle of a door or a window for protecting against unauthorized actuation has a cover enclosing in a mounted position the handle. A lock is provided that secures the cover on the handle in the mounted position and releases the cover from the handle for removing the cover from the handle. The cover has at least two locking elements. Counter members are disposed on the handle, a handle fixture, a door, or a window, and are matched and interact with the at least two locking elements. One of the locking elements is a locking bar of the lock.

Abstract: A door (200) of a motor vehicle has an outer panel (100) and an opening apparatus. The opening apparatus has a door handle (30) and a door lock (20) with a lock barrel (10). The lock barrel (10) and the door handle (30) are arranged completely on the inner side of the outer panel (100) of the door (200).

Abstract: A lock assembly for a container having an opening defined by a door jamb, a cargo door adapted to close the opening, a rod linearly moveable to engage the door jamb, and a latch mountable to the rod. The assembly includes a casing having an inclined opening and mounted to the cargo door parallel the rod. The casing includes a protrusion changeable between an extended and a retracted position. A latch receiving means has an inclined opening adapted to align with the inclined opening of the casing for accepting the latch therein. The latch receiving means is responsive to movement of the latch within the casing between a locked and an unlocked condition and engages the locking means when the latch receiving means is in the locked condition. The rod is moved by the latch to engage and disengage the door jamb.

Abstract: The invention relates to an access control device (1) having at least one access barrier element, to which at least one read unit and/or sensor unit for acquiring legitimation and/or security features is assigned, the access barrier elements and the read and sensor units each having a data connection to a computer unit (5), which compares the acquired or read features to stored data and opens or keeps closed the access barrier according to a preset. Proceeding from the problem that in the case of access control devices (1) of this type, it is only possible to react to changed requirements or a changed security condition by cumbersome re-parameterization of the facility, an additional operating element (8), which is assigned to the computer unit (5), is proposed in the context of the invention, using which it is possible to select between various security steps by simply adjusting the operating element (8).

Abstract: A locking mechanism for a door includes an outside actuator, an inside actuator, and a housing removably fixed to the door. A locking bar is selectively engageable with the housing. A first cam member is operable to move the locking bar from an unlocked position wherein the locking bar is released from the housing and a locked position wherein the locking bar is fixedly coupled to the housing. A spindle is rotatably coupled to the inside actuator and selectively coupled to the outside actuator. A second cam member is coupled to the first cam member and to the spindle and operable to move the locking bar from the locked position to the unlocked position in response to rotation of the inside actuator from a neutral position to one of a first clockwise position and a second counterclockwise position.

Abstract: In an opening/closing operation device for a vehicle open/close door, a handle and a lever for transmitting an unlock operation force to a latch mechanism are turnably supported by an open/close door, and one end portion of the lever is brought into contact with a contact surface formed in the handle. In the contact surface, at least a portion to be in contact with the one end portion of the lever at an initial stage of the manipulation of the handle is formed in an inclined manner or curvedly: in a way that makes the portion situated more forward in a movement direction, in which the contact surface moves in response to the turn of the handle, as the portion comes closer to a rotary fulcrum of the lever in a direction along a plane orthogonal to the movement direction such that the portion intersects the plane.

Abstract: The theft proof lid according to the invention provides a lockable lid for a container, in particular, a standard 200-300 gallon grease bin used by most rendering and bio-fuel companies. The theft proof lid keeps thieves from stealing the bin contents. The lid is permanently installed onto the bin. A dual locking feature of the lid allows for easy pumping or dumping of the bin. First, locking pins for locking and unlocking the front corners of the lid are provided. A front half of the lid is foldable relative to a rear half of the lid, so that the front half may be unlocked and opened for pumping out the contents of the bin. A center locking bar is provided to lock the rear half of the lid from being opened. The locking bar is removed when the bin is to be lifted and dumped, allowing the lid to swing open on a back lid hinge, particularly when the lid is in a folded position.

Abstract: An anti theft locking system for the cargo carrying portion of a truck, trailer, shipping container, and/or railcar having at least one access door. The anti theft locking mechanism and associated signal processing means for locking the access door are all located entirely within the cargo carrying portion and cannot be accessed from outside. The locking mechanism can be locked in response to a coded locking signal generated from the exterior of the cargo carrying portion. The locking mechanism can be unlocked in response to a coded unlocking signal generated from a remote location.

Abstract: An access control device including an electromagnetic lock module for selectively locking and unlocking a door in a door frame is provided. The access control device provides a lower profiled electromagnetic lock module to improve the aesthetics and functionality of the module, supports and integrates modern accessories such as CCTV, CCD cameras, passive motion detection with automatic background correction, digital notification display, automatic source voltage selection, door and lock status indicators, and ease of installation. The present invention further provides components and circuitry to enable connection of the electromagnetic control module to 12 or 24 volts DC or to an unfiltered rectified AC power supply.

Abstract: An institutional door lock mechanism for retrofitting existing installations with a remotely controllable/monitorable door lock and open/close position indicator is described. A hollow vertical door strike jamb extends along an outside surface of the door frame opposite a hollow vertical columnar striker plate mechanism mounted on a fronting plate of the door. A hollow vertical housing also on the fronting plate contains a first component part of a proximity/alignment detection mechanism including a magnetic reed switch. The door strike jamb is configured as a vertical riser for housing a wiring harness for the catch-extension/retraction mechanism and for the proximity/alignment detection mechanism. The catch-extension/retraction mechanism includes a motor for extending/retracting the catch, the motor being operable by a securely coded manual key placed adjacent a switch mechanism or within a keyway operatively coupled with the switch mechanism.

Abstract: Provided is a child lock mechanism which provides satisfactory operability at the time of operation of opening/closing a door while maintaining satisfactory operability at the time of setting/unsetting operation. The child lock mechanism includes: a base member; a first lever; a second lever; and an intermediate member assembled to the first lever and not assembled to the second lever. In a state in which the intermediate member is retained at an unset position, the intermediate member is rotatable relative to the base member, and a rotation center of the first lever relative to the base member and a rotation center of the intermediate member relative to the base member are arranged coaxially with each other.

Abstract: An electronic locking device secures a shipping container and includes a housing, two arms, a sensing circuit, and electronics. The pair of arms extend from the housing and couple to the hasp. The arms transition between locked and unlocked configurations relative to the hasp, with one or both of the arms pivoting relative to the other. A bolt seal locks the arms in the locked configuration. The sensing circuit, which includes sensing contacts, is in a “closed” state or “open” state depending on whether the arms are in the locked or unlocked configuration. The electronics record and report the state of the sensing circuit, thereby indicating whether the arms are locked or unlocked.

Abstract: An oven system is disclosed that includes an oven housing. A door is hingedly attached to the housing through a locking assembly designed to lock and seal an opening in the housing. The locking assembly includes floating latch and hinge systems which can be translated into and away from the opening of the housing.

Abstract: Embodiments of the invention relate to the field of pet doors, particularly selective entry pet doors based on detection of RFID tags. An RFID pet door, the pet door comprising: an RFID reader to read an RFID tag on a pet; and a lock coupled to said RFID reader to control access through said pet door in response to an RFID signal from said tag; wherein said RFID reader has two modes, a first operational mode and a second, reduced power mode, and wherein said pet door further comprises: a pet proximity detector coupled to said RFID reader to identify when a pet is proximate said pet door and to control said RFID reader responsive to said identification such that when said pet is proximate said RFID is in said operational mode and such that said RFID reader is otherwise in said reduced power mode.

Abstract: A lock-protecting hasp apparatus for use on a container having a door movable between closed and open positions and including a first hasp, mounted to an exterior surface of the door, and a second hasp. Each hasp has a mounting portion and a hasp portion connected to and extending away from the mounting portion of the respective hasp. Each hasp portion defines openings for accepting and accommodating a shackle of a lock. Each hasp further includes a shackle guard secured to and extending generally coextensive with the hasp portion of each hasp. Each shackle guard also defines openings to allow the lock shackle to pass therethrough and secure the hasps to each other. A lengthwise portion of each shackle guard vertically extends beyond the hasp portion of each hasp and defines a third opening for accommodating a security seal passing therethrough.

Abstract: The present invention relates to a container lock, a method for locking a container with at least one door (2), and a container provided with a lock, said door (2) having a first frame edge portion (4), and said container having a second frame edge portion (5) positioned adjacent to said first frame edge portion (4) in a closed position of the door, wherein said container lock comprises: an interior blocking portion (6), having a body (20) adapted to extend over said first and second frame edge portions (4, 5), and an engaging abutment (7, 47, 87, 107) and an extension portion (8, 88, 108) extending out from said body (20) so that, when said interior portion (6) is arranged on the inside of said second frame edge portion (5), said engaging abutment (7, 47, 87, 107) and extension portion (8, 88, 108) provide interacting engagement of opposite side surfaces of said second frame edge portion (5), and said extension portion (8, 88, 108) extends from the interior of the container to the exterior of the container,

Abstract: An electronic locking device secures a shipping container and includes a housing, two arms, a sensing circuit, and electronics. The pair of arms extend from the housing and couple to the hasp. The arms transition between locked and unlocked configurations relative to the hasp, with one or both of the arms pivoting relative to the other. A bolt seal locks the arms in the locked configuration. The sensing circuit, which includes sensing contacts, is in a “closed” state or “open” state depending on whether the arms are in the locked or unlocked configuration. The electronics record and report the state of the sensing circuit, thereby indicating whether the arms are locked or unlocked.

Abstract: A mechanism for latching a vent comprising a drive element, a latch, and a drive bar, wherein the drive bar cannot be driven by the drive element until the latch is withdrawn. Improved security is thereby provided.

Abstract: An elevating billboard and control method thereof, which includes a hollow column, a billboard stent, and a windlass controlling a motor, forward relay and back relay, wherein a hollow cylinder is fixed with the billboard stent and rings the column so as to slide along the column up and down, a fixed pulley disposed on the top of the column, a free end of a guy cable of the windlass connecting with the hollow cylinder by the fixed pulley. By using the motor of the windlass and the fixed pulleys, the elevating billboard is easy to assemble, disassemble or maintain, and is capable of completing the up and down movement easily and quickly. And using the real-time monitor of the anemoscope, the elevating billboard completes the up and down movement easily and quickly by wind scale.

Abstract: A lock includes a lock body, a lock bar, and a locking mechanism. The lock body extends in a longitudinal direction between a first end defining a longitudinal passage and a second end. The lock bar is disposed within the passage and movable in a longitudinal direction between a securing position proximal to the second end and a release position distal to the second end, with a proximal end portion of the lock bar and the second end defining a first gap when the lock bar is in the release position. The locking mechanism is assembled within one of the lock body and the lock bar and is operable between a locking condition securing the lock bar against movement from the securing position to the release position, and an unlocked condition permitting movement of the lock bar from the securing position to the release position.

Abstract: The invention relates to an apparatus for a checkpoint, comprising a controlled access passage, the exit of which is closed by an exit door (gate). Said exit door (5) opens in response to a signal of a least one biometric unit (8) which is arranged in the controlled access space (3) and by which the biometric features of a person desiring passage can be detected, and said biometric unit (8) is arranged frontally opposite of the entrance to the controlled access space (3) and preferably integrated in the exit door (5) of the controlled access space (3). A person entering the controlled access space (3) is therefore immediately located quasi automatically in the correct position for detection by the biometric unit (8), which is to say, frontally opposite of the biometric unit.

Abstract: A door lock mechanism 100 comprises a door handle 110 including a turning grip part 110A, an open rod 120 which engages with the turning of the grip part 110A and opens a door by moving in a first direction, a key rod 140 which is linked to a key cylinder 115 and locks the door by moving in a second direction, a first engaging part 150 which is attached to open rod 120 and protrudes in a direction which intersects a movement direction of open rod 120, a second engaging part 160 which is attached to key rod 140 and protrudes in a direction which intersects a movement direction of key rod 140, and a displacement restricting part 170 which is fixed to the vehicle body and positioned further to the inside of the vehicle than first engaging part 150 and second engaging part 160.

Abstract: A housing assembly adapted to fit into a mortised recess in a door is provided for accommodating components of an electronic lock mechanism. The housing assembly comprises a housing including opposed major side walls at least partially defining an opening into the housing. A circuit board comprising electronic circuitry for operating the lock mechanism is disposed in the housing. A bracket for holding batteries is adapted to be disposed in the opening in the housing. The bracket is accessible when the housing is in the mortised recess of the door such that the bracket is movable relative to the housing between a first position and a second position. In the first position the bracket is in the housing and in the second position the bracket is at least partially outside of the housing such that batteries may be inserted into or removed from the bracket.

Abstract: A system for operating an electric door release having an actuator powered by an energy harvester. The actuator may be a piezoelectric actuator and the harvester may be a piezo harvester. The system may further include a power module, a rechargeable battery and a voltage boost circuit disposed between the energy harvester and the actuator. When a piezoelectric actuator is used, a recycle actuator discharge circuit may be disposed between the piezoelectric actuator and the power module battery for recapturing a portion of the energy delivered to the piezoelectric actuator. The piezoelectric harvester may include an energy input portion whereby the piezo electric harvester is excited by the energy input portion. The energy input portion may include a circular or linear driving gear for exciting the piezoelectric harvester or a stepper motor generator, driven by movement of a door. The harvester may also be a stepper motor/generator.

Abstract: A latch system includes a latch and a key barrel operably coupled via a clutch to the latch. The clutch has an engaged condition where operation of the key barrel unlatches the latch, and the clutch has a disengaged condition where operation of the key barrel does not unlatch the latch.

Abstract: An access door for a locking mailbox is provided having a mail slot configured for the receipt of items, such as letters, which can be covered by a rotatable mail slot door. The locking mailbox can also have a lock configured to selectively lock the access door to a housing of the pre-existing or new mailbox and, optionally, a theft deterrent device positioned adjacent the mail slot that projects inwardly into the housing of the mailbox when the door of the mailbox is positioned in a closed position.

Abstract: A lock mechanism to lock two parts relative to each other. The lock mechanism comprises a base plate (30) attachable to one said parts with a pivot pin (26) connected thereto, a keep (38) being defined in the pivot pin. A lock body (24) is also provided and this defines a channel (33) within which the pivot pin locates for rotation of the lock body relative to the pivot pin. A locking arrangement (36) is located within the lock body, and includes a movable bolt (37), which in extended and retracted positions engages with or disengages from the keep (38) to prevent or allow rotation of the lock body relative to the pivot pin. A latch plate (40) may be provided on the other part to cooperate with the lock body. This allows a wide variety of different parts to be secured relative to each other in such a way that they are securely held.

Abstract: Apparatus including a vending machine compartment including a dispensing door openable to permit removal of merchandise from the compartment, the compartment being pivotedly connected to a box assembly, and wherein the dispensing door includes a link element that is constrained to move along a track formed in the box assembly such that the dispensing door is not openable at a first portion of the track and is openable at a second portion of the track.

Abstract: A fuel door locking system for a fuel door and hinge arm combination in which the fuel door is slidably interfaced on the hinge arm. The fuel door has a pin aperture. An abutment of the hinge arm is disposed adjacent said pin aperture. A locking pin is adapted for being inserted into the pin aperture with an interfering relationship with respect thereto which impedes the locking pin from being removed from the pin aperture. When the fuel door is slidably interfaced on the hinge arm and the locking pin is inserted into the pin aperture, then the abutment interferingly abuts the locking pin to prevent the fuel door from being slid off from the hinge arm.

Abstract: A door lock of key-driven transmission structure which is comprised of a case, a swing arm, a first link bar and a second link bar, whereof the first and second link bars and a lock-bolt structure on the case can be driven by the said swing arm to open or close lock. A first transmission piece is driven when the said lock-bolt structure is actuated, and an actuator is driven by the said first transmission piece to further drive the two top and bottom pull rods which further drive the two top and bottom lock-bolts to extend outward for locking, thereby to reach a combining action between the lock-bolt structure as well as the top and bottom lock-bolts. The said lock-bolt structure is further through linking with a labor saving component installed on the said second link bar to achieve the labor saving and easy operation effects.

Abstract: A high-security enclosure includes a base, a cover and a lock system. The lock system includes a base portion and a cover portion. The lock system base portion includes one or more fixed lock bars. The lock system cover portion includes one or more movable lock bars. Each movable lock bar is generally perpendicular to, and arranged to engage, one of the fixed lock bars. The lock system cover portion further includes a lock bar retraction assembly coupled to the one or more movable lock bars for retracting the movable lock bar(s) substantially simultaneously out of engagement with the fixed lock bar(s). A security drive mechanism is coupled to the lock bar retraction assembly to drive the lock system.

Abstract: A door handle for a motor vehicle that includes an elastically biased mobile grip member and a lock cylinder housing adjacent thereto, covered by a removable protective cap that is provided with a release slot formed in the side of the cap facing the grip member. The cap has an elastically deformable C-shaped cross-section and is provided with a first retention suitable to engage a second retention on the lock cylinder housing. The lock cylinder housing includes a cam surface facing the release slot and suitable to guide the tip of a key in a slightly torsional outwards motion for an easy and smooth removal of the cap.

Abstract: A door lock interface system includes a stationary controller that is mounted to a support surface at an interior of a building. A portable controller is in wireless communication with the stationary controller. An elongated and rectilinear bolt is positioned through a slot of a door and is spaced from the stationary and portable controllers. A mechanism is included for automatically retracting and extending the bolt along a parallel and horizontal path. A mechanism is included for bypassing the automatic retracting and extending mechanism such that the user can manually retract and extend the bolt. A security panel is affixed to one side of the door and covers one door cavity, prohibiting unauthorized access thereto. The security panel is provided with annular openings, allowing a door handle and a deadbolt housing to be connected to the door while maintaining the automatic extending and retracting mechanism hidden from the environment.

Abstract: A housing assembly adapted to fit into a mortised recess in a door is provided for accommodating components of an electronic lock mechanism. The housing assembly comprises a housing including opposed major side walls at least partially defining an opening into the housing. A circuit board comprising electronic circuitry for operating the lock mechanism is disposed in the housing. A bracket for holding batteries is adapted to be disposed in the opening in the housing. The bracket is accessible when the housing is in the mortised recess of the door such that the bracket is movable relative to the housing between a first position and a second position. In the first position the bracket is in the housing and in the second position the bracket is at least partially outside of the housing such that batteries may be inserted into or removed from the bracket.

Abstract: A tamperproof power lock is provided for use in a pickup truck tailgate latch handle. The lock includes a power actuator, a rotating crank, a connecting rod and a lock bolt that locks the tailgate handle. The linear output motion of the actuator is transferred into rotation of the crank that is limited to rotate between two stops. An over center spring or friction keeps the crank or the lock bolt in either of the two stop positions. The rotation of the crank is transferred into linear motion of the locking bolt by the connecting rod. In the locked position the crank is up against one of the stops and the connecting rod past dead center. As a result the locking bolt cannot be pushed back forcibly in an attempt to defeat the lock.