Abstract: A lock for securing an article on display includes a casing having a front opening and a hook contiguous to the front opening, with a locking body received in the casing. The locking body is formed with a bolt having a front lip that is movable out of the casing through the front opening. In addition, the locking body is designed so that the front lip of the bolt may be extended out of the casing and securely kept alongside the hook until the lock is opened.

Abstract: A push-lock includes a body. The body is formed with a channel having a pair of portions. A cylinder is movable in the body between a front position and a rear position, and has a latch rotatably connected thereto. The latch defines two opposed cutouts in a periphery thereof. A clip has a pair of shanks resiliently flexible in the portions of the channel. The shanks normally abut the periphery of the latch. A spring is provided for moving the cylinder back to the front position. Additionally, the latch can be turned relative to the cylinder in such a manner that the shanks snapped in the cutout may be pushed outward by the turning latch till the shanks fully slide out of the cutouts and abut the periphery of the latch again.

Abstract: A lock assembly for a cycle includes a lock having a main body integrally formed with an insert, and an appendage having a holder and a latch. The holder is adapted to be fastened to the cycle and has a side slot for snugly receiving the insert of the lock. The latch is movable relative to the holder and is spring-loaded so as to retain the insert in the side slot. Therefore, the lock can be held and carried on the cycle after the insert has been pushed into and retained in the slot, and can be removed from the cycle after the insert has been released from the latch.

Abstract: A physical security system with a combination lock for connecting specially designed security slots in portable devices, including portable electronic devices such as laptop computers, personal data assistants.

Abstract: A locking head is composed of a body and a casing. The body has a locking core with a keyhole. A locking hole is defined at an outer periphery of the body. The casing is composed of a housing and an end cover. The body is inserted into the housing through a large opening in one end of the housing and the housing has an small opening defined in the other end. A latch opening is defined through the housing and aligns with the locking hole. A plurality of catches is formed in housing and extends out from the large opening. The end cover has a hole aligned with the keyhole and a plurality of slots defined in an inner wall. The catches are respectively attached to the slots to attach the end cover to the housing and securely hold the body in the casing.

Abstract: A push-lock includes a body. The body is formed with a channel having a pair of portions. A cylinder is movable in the body between a front position and a rear position, and has a latch rotatably connected thereto. The latch defines two opposed cutouts in a periphery thereof. A clip has a pair of shanks resiliently flexible in the portions of the channel. The shanks normally abut the periphery of the latch. A spring is provided for moving the cylinder back to the front position. Additionally, the latch can be turned relative to the cylinder in such a manner that the shanks snapped in the cutout may be pushed outward by the turning latch till the shanks filly slide out of the cutouts and abut the periphery of the latch again.

Abstract: A combination lock with a simplified structure is disclosed. The lock includes a male body having an outwardly extending bolt with an axial row of projecting bits formed thereon, and a female body having an outwardly extending tube with an axial narrow opening defined therein. The tube is used for receiving the outwardly extending bolt of the male body in a way of allowing the bits to be protruded therefrom through the axial narrow opening. The tube further has a plurality of axial grooves defined in an outer periphery thereof. A set of dials is mounted around the tube of the female body. Each of the dials has a dial ring, and a hairspring carried on the dial ring and having a pair of curved portions extending inward to engage two of the axial grooves of the tube.

Abstract: A combination lock includes a male bolt and a female body for receiving and releasably locking the male bolt. The female body includes a cylindrical core having an enlarged front end and a rear end, with the enlarged front end defining a channel in which the male bolt may be inserted. A set of dials is mounted around the cylindrical core between the enlarged front end and a retainer. A spring has a tendency to move the rotary ring from the second axial position to the first axial position, while the retainer is formed with a button adapted to move the inner rotary ring from the first axial position to the second axial position. Therefore, the combination of the lock can be reset or changed by rotating the outer dial rings while retaining the inner rings in a non-rotatable mode after the button is pressed down.

Abstract: A combination cable lock includes a cable, a support rod attached to the one end of the cable, multiple first and second locking lugs respectively formed on opposite sides of the support rod, each of the second locking lugs having a dimension different from that of the first locking lug, multiple tumblers each including a number wheel rotatably mounted on the support rod, a follower detachably secured in the number wheel, and containing a first locking recess aligning with and having a dimension corresponding to the first locking lugs, and a second locking recess aligning with and having a dimension corresponding to the second locking lugs, and a number reset device abutting one of the tumblers to detach the follower from the number wheel such that the number wheel can be rotated relative to the follower.

Abstract: A protective cover for a keyhole of a lock includes a cap and a pair of shutters. The cap has a crown and a skirt. The crown defines a central through-hole and a pair of radial slots at opposite sides of the central through-hole. The skirt is intended to be connected to the lock rotatably around the keyhole. The shutters each have a first end and a second end, with the first ends pivoted on the lock diametrically about the keyhole, and the second ends formed with respective stubs movable in the slots of the cap. Additionally, the shutters are configured to close the central through-hole of the crown when the cap is turned in a direction relative to the lock and to open the central through-hole of the crown when the cap is turned in an opposite direction relative to the lock.

Abstract: A combination lock has a plug with a tube extending from the plug. Multiple combination ring assemblies are disposed around the tube, and each of the combination ring assemblies include a combination ring, a positioning ring, and an abutting ring. A bar is inserted with an end inside the tube and an opposed end mounted with a nut extending outside the tube. A cap having a chamber inside is received in a cover, and the nut is received in the chamber. When changing a combination number of the combination lock, a tool is used to turn the cap to separate the combination ring and the positioning ring thus allows the combination number to be changed, and when the changing is completed, the cap is turned to a original position and the combination ring and the positioning ring engages together automatically.

Abstract: A figure wheel of a combination lock has a hollow wheel body with a contact ring securely attached therearound. The wheel body has an annular portion integrally formed therein, an engagement gearing integrally formed at an inner side of the annular portion, a filling opening defined in an outer side of the annular portion, raised figure marks integrally formed on an outer surface of the wheel body and an annular recess defined in a remaining area of the outer surface of the wheel body. The contact ring of the figure wheel is formed by injecting a slip-resistant plastic material into the annular recess from the filling opening via the throat, whereby the outer surface of the figure wheel is slip-resistant and the figure marks of the figure wheel are firm and abrasion-resistant.

Abstract: An illuminating casing for receiving a handle of a key includes a lower shell and an upper shell wherein a top extends laterally from the peripheral wall of the lower shell so as to define a chamber for receiving the handle. A light is disposed beside the top and a battery is disposed between the top and the upper shell which has a button disposed thereto. The top has a tongue extending therefrom and has an inclined surface forward of the bottom of the lower shell. The handle of the key has an aperture defined therethrough so that when the handle is inserted into the chamber, the tongue is pushed slightly by the handle, and when the handle slides over the tongue, the distal end of the tongue is securely engaged with the aperture of the handle.

Abstract: A bicycle lock mounting bracket includes a frame clamp, a clamp latch secured to the frame clamp and containing a locking recess therein, a slide movably mounted in the clamp latch and including a hook movably received in the locking recess, and a lock clamp attached to the clamp latch and including an insert detachably received in the locking recess and containing an opening detachably receiving the hook of the slide.

Abstract: A lock assembly includes a lock body having a first end portion with a lock member mounted therein, a mediate portion containing a lock hole therein, and a second end portion containing a receiving channel having a closed side and an open side, a cable detachably extending through the receiving channel and having a first end portion formed with an eye, and a second end portion formed with a snapper slidably inserted into the lock hole and detachably locked by the lock member, and a tubular retaining sleeve slidably mounted on the lock body to restrain the cable and containing two radially opposite openings defined in the bottom thereof each for receiving the elongated cable therein.

Abstract: A lock with a resettable combination includes a locating head having a tube extending therefrom and a locking head having a rod extending therefrom and receivably engaged with the tube. A spring, a set of selectors and a sequence reset device are respectively and sequentially mounted around the tube of the locating head. Each of said plurality of selectors having a rotatable ring, a locating block, a drive block and a torsion spring combined for selection. The sequence reset device includes an annular member and a toggle device for driving the set of selectors. The annular member defines a pair of opposed holes in a periphery thereof. The toggle device is pivotally engaged with the annular member and configured as a semi-circular collar. The semi-circular collar has a pair of cam gears respectively formed on two distal ends defined therein.

Abstract: A lock with a combination selecting mechanism for releasing is constructed by a U-shaped shackle and a locking bar. A combination selecting mechanism is provided in the locking bar. The lock can be released by selecting the correct number series on the tumblers. A combination change control mechanism is further provided in the combination selecting mechanism, so that the combination can not be reset when the combination change control mechanism is in effect, thereby it is possible to avoid an undesired combination change.

Abstract: An actuating mechanism includes a receiving base defining a channel and having a first end portion and a second end portion formed with a cylinder defining a lock hole communicating with the channel, and a retaining post extending from the cylinder. A shackle includes a first end portion and a second end portion defining a lock cavity communicating with the lock hole. A locking member is slidably mounted in the channel and includes a first end portion and a second end portion formed with a locking hook detachably received in the lock cavity. A drive shaft extends through a rotary ring module and includes a first end portion and a second end portion fixedly engaged with the locking member such that the locking member can be moved with the drive shaft synchronously. A circular piece is slidably mounted on the retaining post and is formed with a side extension abutting on the second end portion of the drive shaft.

Abstract: A U-shaped lock includes a U-shaped bar, a cross bar and a lock body mounted therein, such that a user is able to achieve a locking process by the U-shaped bar and the cross bar no matter whether the combination input by a user of the lock body coincides with the predetermined sequence.