Abstract: A door for an entryway includes an exterior-facing surface, an inner structure, and a latch mechanism. The latch mechanism is connected to the inner structure and configured to be fastened or released for controlling access to the entryway. The door also includes a key-cylinder accessible from the exterior-facing surface and configured to selectively lock and unlock the latch mechanism. The door additionally includes a pawl configured to be rotated by the key-cylinder about a pivot axis, connected to the latch mechanism, and defining a pass-through aperture distal from the pivot axis. The door also includes a shield defining a shield attachment aperture and connected to the inner structure. The door further includes a security fastener to fix the shield relative to the key-cylinder at the shield attachment aperture and extending through the pass-through aperture without impeding the pawl's rotation or contacting the pawl as the pawl operates the latch mechanism.

Abstract: A motor drive device includes a case including a first surface and a housing portion that opens to the first surface side, a terminal block including a terminal to which an electric wire extending to an outside of the case is connectable and being housed in the housing portion, an openable and closable cover covering the opening, and a lock unit restricting opening and closing of the cover and bringing the cover into a locked state in a state where the cover is closed. The lock unit is provided on the cover to be rotatable about an axis perpendicular to the first surface in a state where the cover is closed. An unlocked state in which the cover is openable and the locked state are switched according to rotation angle of the lock unit. The lock unit includes a state indicator indicating that the cover is in the locked state.

Abstract: A latch is configured to fix a panel relative to a frame. The latch includes a housing having a longitudinal axis and defining an aperture along the longitudinal axis; a cap mounted within the aperture of the housing for rotation about the longitudinal axis, the cap comprising a drive surface; and a cover coupled to the housing to pivot about a lateral axis, the cover pivotable to be in a closed position in which the cover covers the cap; wherein when the cap is in an unlatched position, the drive surface of the cap is aligned with an engagement surface of the cover and positioned to block the cover from pivoting to the closed position; and wherein when the cap is in a latched position, the drive surface is unaligned with the engagement surface and positioned to permit the cover to pivot to the closed position.

Abstract: In one aspect of the present disclosure, a locking device is provided including an interchangeable core (IC), a barrel, an anti-rotation plate, a prong driver, a bolt and a backplate. The barrel is coupled to the backplate and includes a hollow interior to receive the IC. The bolt is slidably disposed in a slot of the backplate. The IC includes a key hole. The prong driver is coupled to the IC and the bolt, such that, when a proper key is inserted into the key hole and rotated the bolt can be extended from the slot in a direction away from the locking device or retracted into the slot in a direction toward the interior of the locking device. The anti-rotation plate of the locking device is coupled to the barrel to prevent the locking device from being rotated relative to a structure the locking device is mounted to.

Abstract: Systems and methods for providing secure locks having redundant access channels are disclosed. In some embodiments, the smart lock has a hardware processor, a power source, a cylinder, a button that forms a rose knob, and a rose protector. The rose knob and rose protector protect and conceal the hardware processor, the power source, and the cylinder. The rose protector forms an annular groove that slidabiy interlocks with the rose knob. The rose knob has a plurality of redundant access channels for receiving authentication information, The redundant access channels may include a biometric scanner for receiving biometric information, a passcode keypad for entering a token, or a wireless transceiver for receiving a token from a mobile device and transmitting a response to the mobile device. When the user cannot open the lock through the first redundant access channel, the smart lock is configured to allow access through a second access channel.

Abstract: A door lock chassis has a gauge insert that defines different dimensions corresponding to different door thicknesses. The gauge insert is positionable in the lock chassis in different orientations corresponding to the different dimensions used to align the lock chassis for different door thicknesses. Additionally, a door lock may include an anti-rotation assembly for preventing rotation of the lock chassis. The anti-rotation assembly may include a retention member that is secured to an inside hub of a lock chassis. As an anti-rotation member is displaced in a first axial direction along the inside hub to a mount position, the anti-rotational member may deflect resilient members of the retention member. With the anti-rotation member at the mounted position, the anti-rotation member may be in a frictional engagement with the previously deflected resilient members so that anti-rotation member is retained at the mount position.

Abstract: Certain embodiments described herein are directed to locks that include one or more cylinder members effective to deter removal of a lock cylinder. In some configurations, the cylinder member is configured to engage a circumferential surface of the lock cylinder to deter removal of the lock cylinder on circumferential rotation of the lock cylinder. In other instances, the cylinder member is configured to etch the lock cylinder upon circumferential rotation of the lock cylinder.

Abstract: A cylinder-lock assembly configured to allow affixing accessories that are designed to be operatively coupled with a standard European locking cylinder to operate an American mortise type lock system. The cylinder-lock assembly includes a cylinder-lock-member that includes a cylinder-housing having an external shape of a European cylinder-housing, and a cylindrical lock core. The cylinder-housing defines a cylindrical through bore configured to receive the cylindrical shaft, and the cylindrical shaft is adapted to rotate there inside the cylinder-housing. The cylinder-lock assembly further includes an adapting-ring, a cylindrical American housing and a rotation-conveyor, configured to operatively convey rotational motion of a fitted key, which is disposed inside the cylindrical shaft, to an American-lock type cam, to thereby actuate the door lock/unlock mechanism of the American type mortise lock.

Abstract: Dynamic redundancy buffers for use with a device are disclosed. The dynamic redundancy buffers allow a memory array of the device to be operated with high write error rate (WER). A first level redundancy buffer (e1 buffer) is couple to the memory array. The e1 buffer may store data words that have failed verification or have not been verified. The e1 buffer may transfer data words to another dynamic redundancy buffer (e2 buffer). The e1 buffer may transfer data words that have failed to write to a memory array after a predetermined number of re-write attempts. The e1 buffer may also transfer data words upon power down.

Abstract: A lock mechanism includes a plug assembly, a transmission spindle, a bush and a latchbolt assembly. The transmission spindle is coupled to the plug assembly. The bush and the transmission spindle are coupled as one piece to allow the transmission spindle to drive the bush rotate. The latchbolt assembly includes a latchbolt and an actuation element having an actuation hole. The bush, movably accommodated in the actuation hole, is provided to drive the actuation element in swinging movement to move the latchbolt. Because of the bush movably accommodated in the actuation hole, the latchbolt assembly can move toward or away from the plug assembly and the lock mechanism can be mounted on doors having different thicknesses.

Abstract: A group of embodiments for enabling the replacement of damaged shackles for multiple types of portable locks is disclosed. The embodiments have the ability to alter the shackle size and configuration for multiple types of portable locks by substituting one type of shackle with a different shackle, with no tools or special skills required.

Abstract: A door lock chassis has a gauge insert that defines different dimensions corresponding to different door thicknesses. The gauge insert is positionable in the lock chassis in different orientations corresponding to the different dimensions used to align the lock chassis for different door thicknesses. Additionally, a door lock may include an anti-rotation assembly for preventing rotation of the lock chassis. The anti-rotation assembly may include a retention member that is secured to an inside hub of a lock chassis. As an anti-rotation member is displaced in a first axial direction along the inside hub to a mount position, the anti-rotational member may deflect resilient members of the retention member. With the anti-rotation member at the mounted position, the anti-rotation member may be in a frictional engagement with the previously deflected resilient members so that anti-rotation member is retained at the mount position.

Abstract: The description relates to a snap fastening for mounting fittings such as socket wrench latches, swivel lever latches, hinge parts, handles, fixing brackets for door stops or flap supports in openings in a thin wall, comprising a head part which is to be arranged on one, outer side of the thin wall and which overlaps the outer rim of the opening, and a body part which proceeds from the head part and projects through the opening in the mounted position, and holding elements which project from the body part and are flexible in direction of its outer surface against spring force, the free end of these holding elements being provided with an inclined surface for supporting the body part without play on the rim or edge of the opening of the other, inner side of the thin wall, wherein the body part and holding element and the spring generating the spring force are separate parts.

Abstract: A group of embodiments for enabling the replacement of damaged shackles for multiple types of portable locks is disclosed. The embodiments have the ability to alter the shackle size and configuration for multiple types of portable locks by substituting one type of shackle with a different shackle, with no tools or special skills required.

Abstract: An interchangeable core assembly for a lock core assembly capable of being flush mounted in a door including a housing, a lock insert mounted in the housing, a lock core mounted in the housing adjacent to and cooperative with the lock insert, a thumb-turn assembly mounted in the non-cylindrical housing coaxial with the lock core, a first offset cam mounted on the thumb-turn assembly for rotation therewith, and a second offset cam mounted on the lock core for rotation therewith. The barrel of the lock core assembly is unobstructed by locking train components such that the lock core assembly extends completely through the latch assembly when installed therein. The lock core assembly is secured to the latch assembly without threads and a means to remove/replace the thumb-turn component is provided.

Abstract: A novel structurally-embedded construction, design, and maintenance record data management system and a related method of operation provide immediate and on-the-property access to construction, design, and maintenance records that are electronically stored and updated in an electronic archive of the structurally-embedded construction, design, and maintenance record data management system. An authorized personnel who is physically on the property of a building, a bridge, a monument, or another construction structure for maintenance or improvement work, even after a natural disaster event, can readily access and update a history of construction, design, and maintenance records on-site. The extensive time, efforts, and expenses in tracking down various documents and information associated with a particular construction structure (i.e.

Abstract: A handle assembly is provided for a door of a vehicle storage or baggage compartment and includes a latch module press fit onto the housing of the assembly. The handle assembly also includes a lock assembly with a security plate to preclude unauthorized manipulation of the lock arm. In one embodiment, a position switch is associated with the latch rotor to sense the unlatched position of the rotor. A remote control power unit may also be provided on the handle assembly for locking and unlocking the latch module via a key fob or other access system user interface. An LED may be associated with the power unit to indicate locking and unlocking events, or other vehicle status information. The mounting bracket of the assembly may be selected from interchangeable brackets for manual or power actuation of the lock assembly.

Abstract: A tab lock opening mechanism comprises at least a main rotor, a cylinder body with the main rotor passing through the cylinder body, a rotor supplement, a transmission cam, a tab with an internal face and an external face, and a nut, where the main rotor connects to the rotor supplement through an interior of the cylinder body, the transmission cam being placed coaxially to the rotor supplement, and the tab being placed coaxially to the transmission cam and transferring a rotation thereof to the tab by a transmitting pin.

Abstract: A cylindrical locking core suitable for retrofit and new installations has a coupling to releasably engage a driver in a locking system. The coupling, for example, a clip, has a base which fits into a channel in the core, to grasp the core. The clip also includes two opposing flexible, resilient arms to releasably grasp the driver. The arms have rigid flanges which engage recesses in the driver. The core may be disengaged from the driver by rotating the core relative to the driver, using a change key. When the core is in use, an operating key extends through the core and an opening in the coupling, to engage the driver, to open and close the lock system.

Abstract: A cylinder guard for a deadbolt lock having a face portion and an inner portion. The inner portion includes a radial flange and an axial flange created by forming the wall of the guard into a doubled portion. Indentations are formed in the axial flange which enhances the resistance of the guard to an attack upon the deadbolt. The guard also includes a tapered blow-deflecting portion between the inner portion and face portion. A crush zone may be formed between the inner and face portions to attenuate the energy from an attack that is transferred to the axial and radial flanges. A method for making the guard includes stamping a body from steel strip using a multi-station press.

Abstract: A method for assembling a handle of a motor vehicle includes assembling, from an outside of a panel, an articulation end of a gripping lever of a motor vehicle opening-element handle in a first cavity of articulation of the panel and a fixed positioning body in a second positioning cavity of the panel. The method also includes inserting a bolt body into the fixed positioning body from the outside of the panel, screwing a first fastening screw into the bolt body through the fixed positioning body from an inside of the panel so as to screw the bolt body directly on the panel and to fasten the fixed positioning body on the panel, and screwing a second fastening screw into the articulation end from the inside of the panel.

Abstract: An outer handle device is provided in which a cylinder lock placed adjacent to an opposite end portion of an outer handle and operatively connected with a latch mechanism is attached to an outer panel, the outer handle having one end portion pivotally supported by the panel. The device includes a base member sandwiched between an outer surface of the panel and the cylinder lock and a bracket which sandwiches the panel between the bracket and the base member, and is fastened to the cylinder lock. In a temporarily mounted state where the base member and the bracket are held by the panel by engagement of the bracket with the base member, the cylinder lock can be inserted from the outer side of the panel into the base member and the bracket.

Abstract: A lock cylinder of a motor vehicle has a cylinder housing formed from plastic and the cylinder housing has an opening for receiving a cylinder core. The plastic of the cylindrical housing is reinforced at least in certain regions with aramid fibers. Thus, the cylinder housing is extremely robust and increases the forcing resistance of a door lock equipped therewith.

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

Abstract: A sealed push button latch. It includes a housing with an upper cavity and a lower cavity and a rim which provides a seal contact seat. The lower cavity has a latch opening formed therein at a first side thereof, and at least one drain/return clip aperture formed at a second side thereof. A push button with a keyed lock is slidably received in the upper cavity. A biasing device biases the push button to a closed position. A seal positioned on the push button provides sealing between the seal contact seat of the rim of the housing and the push button. A locking latch is slidably positioned in the lower cavity, and is slidably movable between a protruding position through the latch opening, and a retracted position, wherein pushing the push button down into the housing retracts the locking latch into the lower cavity.

Abstract: A door lock retainer may include a door-latch-mechanism frame, a retainer, and a door-lock cylinder. The door-latch-mechanism frame may support a linkage and include a landing surface. The retainer may include an aperture and a first surface engaging the landing surface and restricting deflection of the linkage. The door-lock cylinder may be received in the aperture and supported by the retainer.

Abstract: A constructive improvement to an anti-theft lock device applied to automobile trunks, whose innovative solution implies a new anti-theft lock (1), applicable both to common trunk locks and to trunk locks having electric assembly elements, wherein said improvement provides greater productivity during the assembly of said item, in addition to providing greater reliability to the anti-theft safety system, and this is achieved thanks to a constructive concept wherein the anti-theft lock item (1) comprises a clench ring element (A), sealing joint (B), lock cylinder element (C) and fastening clinch element (D). The clench ring element (A) comprises a hollowed latch area (A1), an upper latch element (A2) and a lower latch element (A3), also having a relief lock (A4), in addition to structural grooves (A5). In turn, the fastening clinch element (D) has upper (D1) and lower (D2) latch ends, having an inflexion segment (D3) in its middle section, and both these elements are fitted into the lock cylinder element (C).

Abstract: A key cylinder installation structure includes a key cylinder including a flange that is fixed to a trunk of a vehicle, the flange including a mounting hole through which a mounting bolt is inserted into a reference hole and a secondary reference hole, respectively, formed in the trunk, the key cylinder being operable to lock and unlock the trunk, and a pad that is attached to the flange of the key cylinder and includes a hole through which the mounting bolt is inserted and a projection projecting toward a center of the key cylinder in the hole of the pad. When the mounting bolt is inserted into the mounting hole, the projection of the pad lies between the mounting bolt and the mounting hole.

Abstract: A cover plate assembly 10 is provided for a cabinet door or drawer lock 12. A cover plate 26 defines a first circular aperture 28 and a rotatably circular cover plate insert 32 defines an eccentrically positioned second circular aperture 34. The second circular aperture 34 defines an inner diameter 33 sized to selectively receive the cylinder and plug assembly housing 20, and the insert 32 has an outer diameter 39 sized to fit within and selectively rotate with respect to the first circular aperture 28. During installation, the outer diameter 39 of the insert 32 is positioned within the first circular aperture 28, and the insert 32 is selectively rotated to a position that enables the cover plate assembly 10 to register with a bolt housing 16 and the second circular aperture 34 to register with a cylinder and plug assembly housing 20.

Abstract: A lock mounting structure for mounting a lock to a part of a container is disclosed. The lock mounting structure comprises an outer part adapted to form an outer portion of the container part and an inner part adapted to form an inside portion of the container part and having a first surface for facing towards the inside of the container. The inner part includes a mounting structure for mounting the lock thereto. The mounting structure extends outwardly from the first surface. The structure also includes an aperture for accessing a key receiving end of the lock. The lock mounting structure is formed as an integral piece.

Abstract: The present invention provides for a lock assembly for selectively locking and unlocking a door using a key. The lock assembly includes a housing with a core removably disposed in the housing. A first actuator is coupled to the housing for defining a first lock configuration with a second actuator coupled to the housing independently from the first actuator for defining a second lock configuration. The core includes a keyway for receiving the key and is rotatable within the core between a locked position and an unlocked position. A universal drive member is coupled to the keyway and movable with the keyway between the locked and unlocked positions with the universal drive member interchangeably receiving the first actuator and the second actuator while the keyway remains in the core for interchanging the lock assembly between the first lock configuration and the second lock configuration.

Abstract: A lock housing for a security drawer is disclosed. The lock drawer system includes a cabinet drawer having a front wall including a front surface and a rear surface and a combination lock on the drawer with a combination lock dial. The drawer includes a lock housing defining an enclosure within which the dial can fit and extend through. The lock housing also includes a combination lock dial window. The system integrates a keyed locking bolt extending through the housing and to the drawer and is removable therefrom.

Abstract: A lock for a sliding door (14), with a lock case (24) for receiving a lock cylinder (30), the lock cylinder (30) being arranged in a recess (36) of the lock case (24) such that, in order to lock the lock (22), a bolt (28) of the lock case (24) is brought into engagement with a striking plate (26) of the lock (22) by a rotationally actuable driver (32) of the lock cylinder (30). The lock (22) has at least one support part (38, 40) which is arranged laterally on the lock case (24) in the region of the recess (36) to support the lock cylinder (30). A further characteristic relates to the securing of the lock against removal and for this purpose, the or each support part (38, 40) is fastened to the lock case (24) by retaining pins (60), a lock cylinder screw (58) for fastening the lock cylinder (30) to the lock case (24) being in engagement with the or each retaining pin (60) to prevent removal of the support parts (38, 40) and of the retaining pins (60).

Abstract: A door lock includes an engaging member having a lock core hole. The lock core hole includes a large section and a small section. The large section is formed in an end of the engaging member that is detachably received in a shank of an outer handle. An interchangeable lock core is removably received in the large section. An end of an outer spindle is extended out of a lock body of the door lock and is detachably received in the small section of the lock core hole of the engaging member. The lock core has an outline corresponding to the large section of the engaging member. The lock core can be removed and replaced with a new one. The engaging member can be detached from the outer spindle and the outer handle and replaced with a new engaging member corresponding to the outline of the new lock core.

Abstract: A construction unit (35) comprising a support (30) and a locking cylinder (20) is present in the device and is secured from the inner door side (11) behind the outer door lining (15). Those parts of the locking cylinder which project on the outer door side are covered by a cap which is secured on the inner door side (11) by securing means. In order to simplify the handling and to save space, it is proposed to use the securing means for the cap at the same time in order to also secure the construction unit (35) on the inner door side (11).

Abstract: A turning knob with a lock for an electric circuit indicating a body for receiving a barrel rotating relative to a stator. The barrel includes springs receiving a key configured while rotating to take up at least two functional retained or released positions and having at one of its ends a shank configured to be actuated by rotating the key. The body has an inner cylindrical sleeve whereon the stator is urged to be positioned, the inner sleeve having a number of identical members for positioning the stator, each positioning member of the inner sleeve matching a corresponding positioning member of the stator, so as to select the position of the stator relative to the body.

Abstract: A lock cylinder which can be fitted into a part of a lock assembly of a door or other operable panel. There is provided a lock cylinder (114; 214; 314; 414; 514; 614; 714) adapted for fitment into the lock housing (12), the lock cylinder comprising a key-operated locking part and an actuator (50), the lock cylinder having a predetermined profile for most of its length, and a securing part (70; 72,74; 76,78; 80,82; 170,172; 270,272; 370) projecting from the predetermined profile. The securing part is adapted to lie underneath a part of the lock assembly in use, such as a face plate of an operating handle of the lock assembly, so that the securing part prevents unauthorised removal of the lock cylinder through the face plate.

Abstract: A padlock includes a lock body, a lock shackle having two ends respectively inserted into a respective shackle hole in the lock body, two actuation members, two latches, a lock cylinder having a core inserted in between the actuation members and rotatable with a predetermined key to drive the actuation members in moving the latches to lock the lock shackle, and an alarm control device affixed to the lock body for causing a buzzer to buzz upon a vibration.

Abstract: A lock device includes a universal spacer, for receiving a lock cylinder, and a plurality of spacer holes where one of the holes is positioned to receive a lock bolt of the lock cylinder. A padlock body houses the universal spacer. A plurality of padlock body holes extends from an interior of a universal spacer hole into the padlock body. The padlock body holes are positioned to match the spacer holes and one of the padlock body holes receives the lock bolt when the lock cylinder is in a locked position. A padlock bolt secures the universal spacer, lock cylinder and padlock body in place when the lock cylinder is in the locked position. When the lock cylinder is in the unlocked position, the universal spacer with the lock cylinder can be removed from the universal spacer hole and the lock cylinder can be replaced with another lock cylinder.

Abstract: A lock cylinder for a door including an opening, and operable to interact with a latch bolt assembly. The lock cylinder includes a housing that has a cavity, and a plug assembly that has a casing and a plug housed in the casing and rotatable between a locked position and an unlocked position. The plug is operable to interact with the latch bolt assembly, and the casing is disposed within the cavity. The lock cylinder also includes a spin ring member that at least partially encloses the housing, and an adapter that is configured to be installed in the opening of the door and that includes a spin ring interface engaged with the spin ring member. The adapter further includes a shield portion extendable into the opening of the door, and the spin ring interface and the shield portion are formed as a single piece.

Abstract: A four-way, field-reversible self-latching cabinet lock includes a cylinder and plug assembly shell that is rotatable with respect to a bolt housing cover for the lock. A locking device is provided to fix the cylinder and plug assembly shell in one of four orthogonal positions with respect to the bolt housing cover. The bolt housing cover is receivable by a bolt housing and conventional self-latching latch bolt. In this manner, pins in the cylinder and plug assembly may be retained in a desirable vertical position while a throw of the bolt can be adjusted to vertical, inverted, left-hand, and right-hand positions in the field without special tools or additional parts.

Abstract: A locking cylinder having a two-part housing, including an upper part and a lower part. A cylinder core is received in the housing and can be actuated by turning a key. The housing of the locking cylinder is fastened to the body of a vehicle by a fastener. The fastener used to fasten the housing of the locking cylinder on the body is also used as a connector for fastening the housing upper part on the housing lower part.

Abstract: A drawer lock set includes a body with a tubular member and a block extends radially from an inner periphery of the tubular member. A cylinder and a core are received in the tubular member. The core includes a driving piece extending from a distal end thereof and is capable of driving a transmission member which is able to rotate a driving member. The driving member includes a protrusion which is slidably engaged with a groove defined in the dead bolt. The cylinder includes a first notch and a second notch in an outer periphery thereof and a 90-degree angular distance is defined between the first and second notches. The block is engaged with one of the first and second notches so as to set the position of the operational direction of the dead bolt with only one part replaced.

Abstract: An insert type of cylinder cabinet cam lock permits use of Schlage-compatible deadbolt cylinders in a cabinet door and/or drawer cam lock. A bifurcated, housing is provided that journals a cam driver adapted for operational interconnection with the Schlage-compatible standard deadbolt.

Abstract: A deadbolt assembly includes a bolt housing having a longitudinal sleeve defining a first axis. A bolt is located in the longitudinal sleeve. An elongate member has a first end and a second end portion opposite the first end, the first end being attached to the proximal end of the bolt and the second end portion having a first connector. A rotatable crank has a pivot member, a second connector and an arm. The second connector of the crank is operationally engaged with the first connector of the elongate member. A first actuator assembly has a body, a lock cylinder, and a tailpiece that extends from the lock cylinder and is rotatable around a second axis with respect to the lock cylinder. The tailpiece is engaged with the pivot member of the crank. At least a portion of the lock cylinder extends past a vertical plane of an outer side surface of the elongate member.

Abstract: The present invention is an apparatus of joined parts that allows the locking of a gate framed in vinyl parts to a stationary post made of vinyl. The stationary vinyl post is typically hollow with the walls of the post being typically of a thickness of no more than ?of an inch and the outer diameter of the gate framing and post typically ranging from 3½inches by 3½inches square to 5 inches by 5 inches square in size. The apparatus includes a kit where round or square or rectangular cups that have overlapping top flanges and are inserted into and fit snugly in holes drilled or cut into the sides of a hollow vinyl fence post. The cups are configured to accept the installation of standard home deadbolt locks.

Abstract: An improved lock mechanism comprising an anti-pry shield having a hollow body with a first end and a second end, and a cylindrical shield at its first end; a knob-set cylinder having a plug with a key end and a driver end; a monolithic cylinder guard having a body with a beveled exterior side wall between a first end and a second end, the second end having a bore, a cylinder receiver having a cavity open to the first end, the cavity adapted to receive the knob-set cylinder from the first end, the cavity open to the bore in the second end, the bore adapted to receive the key end of the plug; and a cover having a beveled exterior side wall between an open first end and a covered second end, the decorative cover permanently secured to and covering the beveled exterior side wall and the second end of the monolithic cylinder guard, the covered second end of the cover having a bore coaxial with the bore in the second end of the monolithic cylinder guard and the plug of the knob-set cylinder.

Abstract: A cylinder lock has a cylindrical sleeve in which lock grooves are formed on an inner circumferential surface, a cylindrical cylinder on which a plurality of tumbler insertion holes are formed, a plurality of tumblers which are engaged with the lock grooves in an advanced position and which are retracted and disengaged from the lock grooves with insertion of an authorized key, a rear rotor of which at least a portion is turnably placed in the cylinder and in which a container portion is formed in the portion placed in the cylinder, a connecting member which is placed in the container portion of the rear rotor and which is movable in radial directions between a connected position in which the rear rotor and the cylinder are connected to each other and a non-connected position, and a connection releasing member positioned on an outer circumference of the connecting member and is movable in radial directions relative to the sleeve.

Abstract: A door lock includes a case, a deadbolt mounted in the case, and a key cylinder mounted in the case. The key cylinder includes a lock core operable to retract the deadbolt from an extended, locking position to a retracted, unlocking position. A positioning device is mounted in the case for retaining the key cylinder in place. The case includes two opposite lateral sides each having a key cylinder-receiving hole. The key cylinder is optionally mounted in one of the key cylinder-receiving holes from either of opposite lateral orientations in the case and includes at least one longitudinal groove formed in an outer circumference thereof. The positioning device includes a retainer slideable between the two lateral sides of the case and an operative member operable to move the retainer between a retaining position engaged with the at least one longitudinal groove of the key cylinder and a releasing position disengaged from the key cylinder.

Abstract: The present invention features a system and method for operating or operably connecting an American locking cylinder with a Profile mortise lock, wherein the American locking cylinder functions with the Profile mortise lock in place of a Profile locking cylinder. Essentially, the present invention provides a door lock cylinder conversion adapter that converts an American cylinder to be operable with a Profile mortise lock. The door lock cylinder conversion adapter functions to actuate the internal locking mechanism of a Profile mortise lock much the same way a standard Profile locking cylinder would, only with an American locking cylinder providing the means for effectuating the actuation.