Abstract: The lock assembly has a lock housing assembly, a driven assembly and a lock core. The driven assembly and the lock core are mounted in the lock housing assembly. The driven assembly has a connector and is selectively engaged to the lock core to allow the connector to be rotated to lock or unlock an object. The connector is able to lock two objects together or can connect an object to a stationary fixture with an optional cable, and the connector can be changed so a lock manufacturer can use this lock assembly to make many different kinds of locks.

Abstract: A cylinder lock includes a locking core rotatably received in a lock housing. A first disk is integrally formed outside the locking core, and a second disk is rotatably provided on the locking core. A channel is longitudinally defined at a center of the locking core, and a shaft with stepped slots is movably received in the channel. A latching member is radially received in the first disk, and has a spherical head partially positioned in the lock housing, and a shank extending in the stepped slots. A correct key has a finger for pushing the shaft inwards, so the latching member can be released from the lock housing to enable the locking core to turn about the lock housing. Whereby, the cylinder core has a high level of security.

Abstract: A lock includes a cylinder, a cylinder plug and a locking pin assembly. The cylinder plug is rotatably mounted in the cylinder and has a dummy keyhole and a cylinder plug keyhole defined completely through the cylinder plug. The locking pin assembly has multiple locking pins that are slidably partially held in the cylinder plug keyhole. A two step method to open the lock with a key with serrations initially inserts the key serrations into and presses the key serrations completely through the dummy keyhole. Then the serrations are rotated, aligned with and pulled back into the cylinder plug keyhole. Conventional displacement of the locking pins allows the cylinder plug to be rotated, which opens the lock. Pressing the key completely through the lock removes any foreign objects such as toothpicks, chewing gun or pieces of paper and allows the lock to be opened.

Abstract: A lock includes a housing, a rose assembly movably received in the housing and having multiple roses rotatably received in the housing and each rose having a pair of ledges oppositely formed on and extending outward from a periphery defining a through hole in the rose and a core securely received in the housing and having a keyhole to allow a key having steps formed thereon to extend therethrough and a controlling slot defined through the core. Changing the length of either one of the pair of ledges of the rose enables different keys to activate the lock.

Abstract: The present invention is related to a lockable restrainer for a gearshift lever formed with at least one button. The lockable restrainer includes a helmet formed by a pair of rigid sidewalls, a rigid convex rear wall, a rigid top wall, a bottom opening and a front opening. The helmet defines therein a chamber that has a convex portion behind the rear wall, and the convex portion of the chamber is dimensioned to receive the button of the gearshift lever. A door is pivotally connected to the helmet for opening and closing the front opening. Furthermore, the door is formed with a lock for releasably fastening the door to the helmet after the front opening has been fully closed.

Abstract: A lock for a computer has a housing, a core pivotally mounted to the housing, a latch formed on and extending out of the core, a rod coupled to the core. The rod has a flange end and a pair of pins extending from the flange end. A spring is disposed around the rod to provide a resilience to the pins, and a cable is pivotally connected to the housing. A case of the computer has a latch chamber and an entrance communicates with the latch chamber to allow the latch and the pin to enter the latch chamber through the entrance.

Abstract: An air bag retainer to be used in combination with a steering lock for securing an air bag of an automobile while the steering lock secures the automobile. The air bag retainer includes a plate and a hooking portion extending from a side of the plate to hook a steering wheel of the automobile. Multiple through bores are defined in the other end of the plate so that connecting ends of the steering lock are able to respectively extend though the through bores to secure the air bag retainer to the steering wheel. Therefore, the air bag is securely covered by the plate and prevented from being stolen.

Abstract: A locking device for a steering wheel of an automobile particularly consists of a body, a catch member being vertically movable in the body, and a moving rod being horizontally movable along a through hole defined in the body. A holding member is secured at a first end of the moving rod and corresponds to an opening of a holding portion formed in the body, and a retaining end portion formed at a second end of the moving rod. A nodal point of the steering wheel can be securely fitted in the holding portion and retained between the holding portion and the holding member in a locking status.

Abstract: A gear shift lock for locking a gear shiftlever of an automobile with a manual transmission is disclosed. The lock has a ring with a through hole defined therethrough and a tube with a protrusion formed to be alternatively received in the through hole. When the protrusion is received in the through hole, the gear shiftlever is not able to be moved. When the protrusion of the tube is away from the through hole of the ring, the gear shiftlever is in an unlocked state and able to move freely.

Abstract: A lock including a latch bolt securely extending out therefrom and having a pair of geometrically opposed channels defined therein and a wall formed near a distal end thereof, a pair of locking pins slidably received within respective channels of the latch bolt and a pad attached to an outer periphery of a stator of the lock enables a user to laterally insert the lock into a predetermined hole defined in a cover of a portable computer or the like to secure the portable computer. Furthermore, due to the provision of a wire and a loop at a distal end of the wire which is securely attached to the periphery of the stator, the portable computer or the like is able to be securely attached to an object suitable for the wire to be attached.

Abstract: A flat lock set has a flat lock having a cylinder, a tumbler, several rings and springs and a key having several stepped blades each having several shoulders. The cylinder is mounted in a door and has four groups of ribs formed therein. Each group includes several separate ribs defining several passages extending perpendicular to a length of the cylinder. The cylinder has a first end defining a first opening and a second end integrating with a ring defining a second opening. The tumbler has a disk integrating with a key receiver integrating with a latch carrier. The key carrier is separated into several prongs. The rings each have two ears formed along an outer rim thereof and several arms formed along an inner rim thereof. When the rings and springs are alternatively mounted on the first sections of the prongs, the arms formed on the rings are sited between the prongs.

Abstract: A master tubular key co-operating with a conventional lock having a tumbler consisting of a first section rotating in the lock and having a first group of tunnels through which a group of first pins being different in length are received and a second section being fixed in the lock and having a second group of tunnels corresponding to the first group of tunnels and receiving springs and a group of second pins is disclosed. The master key has a group of springs which are much stronger than those in the lock and a plurality of strips. The springs urge the strips to force the group of first pins to keep the group of second pins completely in and the group of first pins completely off the second group of tunnels, thereby allowing the first section to rotate relative to the second section.

Abstract: A cam lock having an adjustable cam bolt. The cam lock has a tubular lock case, a tumbler, a shaft, a spring, and a cam bolt. The tubular lock case has an inner flange which divides the lock case into a first portion and a second portion which is formed with a restricting element. The tumbler is received in the first portion. The shaft is rotated by the tumbler and extends into the second portion. The spring is disposed around the shaft within the second portion. The cam bolt is mounted on the shaft by threaded engagement so as to compress the spring and has an arc-like cutoff beyond which the restricting element extends.

Abstract: A barrel lock assembly for a barrel comprises a gun lock, having a first lock and a second lock and a key having a key portion and a tubular handle. The first lock has a screw and an anchoring means. The second lock has a thread, a conical end, a cylinder which has a plurality of pins, and a column which has at least one cone. When locking with the key, the screw is rotated and the second lock is pulled toward the first lock, the conical end thereby pushes the anchoring means outwardly, thus locking the barrel. When an external load is exerted on the column, the cone abuts the pins against the barrel, thus preventing the gun lock from being knocked out of the barrel. After reaching a certain firmness the tubular handle is rotatable while the key portion remains stationary, so that the key will not be broken and the barrel will not be locked by over exertion.

Abstract: A tumbler pin lock system comprises a lock mechanism and a key. The lock mechanism has an outer tubular casing mounted to a frame of a computer or similar electrical device. The tubular casing has an eccentric through hole for rotatably receiving a locking spindle. The locking spindle includes a driver pin sleeve having a set of bore holes, each for receiving a driver pin. A rotating shaft protrudes from a first side of the driver pin sleeve, and a protrusion with a keyway slot protrudes from a second side of the driver pin sleeve. A tumbler sleeve is provided on the rotating shaft and is fixed to the tubular casing. The tumbler sleeve has a distributed annular set of blind holes, each for receiving a tumbler spring and a tumbler pin, which are alignable with the bore holes in the driver pin sleeve. The key comprises a flattened key handle and a cylindrical portion.

Abstract: A tumbler pin lock system comprises a lock mechanism and a key. The lock mechanism has an outer tubular casing mounted to a frame of a computer or similar electrical device. The tubular casing has an central through hole for rotatably receiving a locking spindle. The locking spindle includes a driver pin sleeve having a set of bore holes, each for receiving a driver pin. A rotating shaft protrudes from a first side of the driver pin sleeve, and a protrusion with a keyway slot protrudes from a second side of the driver pin sleeve. A tumbler sleeve is provided on the rotating shaft and is fixed to the tubular casing. The tumbler sleeve has a distributed annular set of blind holes, each for receiving a tumbler spring and a tumbler pin, which are alignable with the bore holes in the driver pin sleeve. A shielding ring having an eccentric flange is received in a key-end of the tubular casing to shield some of the driver pins.

Abstract: A key manufacturing machine utilizing a drilling assembly adapted to perform a drilling operations including a rotating assembly having a number of attaching block assemblies circumferentially spaced at its top portion. Each of the attaching block assemblies has a setting wheel which includes an integral wheel part and a shaft part, and which is turnable to set a desired position. A number of set screws are each disposed within a corresponding threaded hole on the wheel part of the attaching block assembly to be adjustable to respective depths. A sensing device is utilized to sense the depth of each set screw for controlling the drilling depth during the drilling operation.