Abstract: A lock core unit of a weather-resistant lock apparatus includes an inner shell received in and rotatable relative to a lock shell, a plurality of locking plates received in and rotatable relative to the inner shell and cooperating to form a keyhole of the lock core unit, a locking unit operably associated with the locking plates for locking the inner shell against rotation relative to the lock shell in a locking state of the locking plates, and for unlocking the inner shell for rotation relative to the lock shell in an unlocking state of the locking plates, a latch actuator coupled to the inner shell, and a plurality of spacer plates, each of which is disposed between an adjacent pair of the locking plates. The spacer plates are made of a material with a hardness less than that of the locking plates.

Abstract: A box formed from a foldable blank sheet includes a bottom panel, left and right panels, front and rear panels, and a top panel. A left reinforcing panel is hinged to the left panel and lies against a left portion of the bottom panel. A right reinforcing panel is hinged to the right panel and lies against a right portion of the bottom panel.

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to be in a locking state, and is disengaged from the lock core when the lock core is operated to be in an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: A lock assembly includes two mounting seats for mounting respectively on two objects. Each mounting seat has a shackle engaging lobe. A slide seat is slidable between the mounting seats for selectively engaging the mounting seats. A cover member is pivoted to the slide seat for pivoting between closed and open positions, and has another shackle engaging lobe. The lobe on the cover member is disposed between the lobes of the mounting seats to permit extension of a padlock shackle through the three lobes when the cover member is in the closed position while the slide seat engages the two mounting seats. The cover member is turned away from the lobes of the mounting seats to permit sliding movement of the slide seat between the mounting seats when the cover member is moved to the open position after removal of the shackle from the lobes.

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to be in a locking state, and is disengaged from the lock core when the lock core is operated to be in an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: A padlock includes a U-shaped lock casing having intercommunicated core receiving space and latch recess, aligned first and second shackle insert holes, and a slide channel communicating the second shackle insert hole with the latch recess. A lock core unit is received in the core receiving space, and includes a latch member extending into the latch recess and rotatable inside the latch recess between locking and unlocking positions. The latch member has an end face formed with a pin hole eccentric to an axis of the lock core unit. A shackle bar extends into the first and second shackle insert holes. A catch member is disposed slidably in the latch recess, and is formed with a pin extending rotatably into the pin hole in the latch member for engaging the latch member.

Abstract: A lock apparatus includes a lock core device received in a lock core chamber of a lock body and having a key operable lock core, a shackle member with a leg portion inserted into a shackle insert hole in the lock body, and a catch member received in a catch chamber that extends from the lock core chamber to the shackle insert hole. The lock core device has a latch member disposed in the catch chamber and formed with a pin hole that is eccentric to an axis of the lock core. The catch member has a first end portion for engaging the shackle member, and an opposite second end portion formed with a pin which extends rotatably into the pin hole for engaging the latch member such that the catch member is movable between locking and unlocking positions during locking and unlocking movement of the latch member.

Abstract: A lock apparatus includes a lock core device received in a lock core chamber of a lock body and having a key operable lock core, a shackle member with a leg portion inserted into a shackle insert hole in the lock body, and a catch member received in a catch chamber that extends from the lock core chamber to the shackle insert hole. The lock core device has a latch member disposed in the catch chamber and formed with a pin hole that is eccentric to an axis of the lock core. The catch member has a first end portion for engaging the shackle member, and an opposite second end portion formed with a pin which extends rotatably into the pin hole for engaging the latch member such that the catch member is movable between locking and unlocking positions during locking and unlocking movement of the latch member.

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to a locking state, and is disengaged from the lock core when the lock core is operated to an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: A protective sleeve for a padlock includes a sleeve body having an open inserting end adapted for insertion of a lock body of the padlock into the sleeve body, a restricting end opposite to the inserting end and adapted for abutting against the lock body, and a surrounding wall extending between the inserting end and the restricting end and adapted to wrap fittingly around the lock body. The sleeve body is formed with a key opening adapted to be aligned with a keyhole of the lock body. A cover flap is hinged to the sleeve body at the key opening, and is movable pivotally between an open position adapted for permitting access to the keyhole, and a closed position adapted for closing the keyhole. The cover flap is formed with a plug adapted to be inserted into the keyhole when the cover flap is moved to the closed position.

Abstract: A padlock includes a lock casing having a core receiving space, a latch recess communicated with the core receiving space, a first shackle insert hole, a second shackle insert hole aligned with the first shackle insert hole, and a slide channel communicating the second shackle insert hole with the latch recess. A lock core unit includes a latch member extending into the latch recess and rotatable inside the latch recess between locking and unlocking positions. A shackle bar extends into the first and second shackle insert holes. A catch member is disposed slidably in the latch recess, and has a first abutment wall formed with a shackle engaging projection that extends into the slide channel, a second abutment wall spaced apart from the first abutment wall, and a latch cavity defined between the first and second abutment walls for extension of the latch member thereinto.

Abstract: A padlock includes an elongated shackle bar, a lock body mounted on a first end portion of the shackle bar, and a lock unit mounted on an opposite second end portion of the shackle bar. The lock body and the lock unit have cross-sections larger than that of the shackle bar. The lock unit includes a tubular lock housing, a key-operable lock core mounted in the lock housing, and a shackle engaging member mounted rotatably in the lock housing. The shackle engaging member has a shackle engaging portion for engaging the second end portion of the shackle bar, and a core engaging portion connected to the shackle engaging portion.

Abstract: A key code cutting device includes a base, a milling tool, a carriage mounted on the base and movable along a first transverse direction, a work table mounted on the carriage and movable along a second transverse direction, a key holding member mounted on the work table and having a clamp member that is adapted to hold a key blank and that is rotatable about an axis, an urging member for urging the carriage to move along the first transverse direction, a key coding member for adjusting cutting positions of the key blank along the first transverse direction, and a locking member for locking the clamp member against angular movement about the axis.

Abstract: A padlock assembly includes a first lock casing part having a lock core mounting portion formed with a core receiving space in a longitudinal direction, and a first shackle mounting portion that extends in a first transverse direction from one side of the lock core mounting portion. A lock mechanism includes a key operated lock core disposed rotatably in the core receiving space, and a latch member connected to one end of the lock core in such a manner that the latch member is disposed outwardly of the core receiving space. A second lock casing part has a latch engaging portion formed with a latch recess and a latch retainer disposed therein to partition the latch recess into a latch retention portion and a latch entrance portion via which the latch member is extendible into the latch retention portion and so as to be rotatable therein between locking and unlocking positions.

Abstract: A shackle lock includes a lock casing, a lock core received in the lock casing, and a shackle unit which has first and second shackle connecting members extendible into first and second shackle holes in the lock casing and a flexible shackle portion connected to the shackle connecting members at two opposite ends. The first shackle connecting member engages the lock core when the lock core is operated to a locking state, and is disengaged from the lock core when the lock core is operated to an unlocking state, thereby permitting removal thereof from the lock casing. The second shackle connecting member is provided with a spring-loaded retaining member for engaging the lock casing. The retaining member is accessible with the use of a tool inserted into the first shackle hole after removal of the first shackle connecting member, and is adapted to be actuated by the tool for disengaging from the lock casing in order to permit removal of the second shackle connecting member from the lock casing.

Abstract: A key code cutting device includes a base, a milling tool, a carriage mounted on the base and movable along a first transverse direction, a work table mounted on the carriage and movable along a second transverse direction, a key holding member mounted on the work table and having a clamp member that is adapted to hold a key blank and that is rotatable about an axis, an urging member for urging the carriage to move along the first transverse direction, a key coding member for adjusting cutting positions of the key blank along the first transverse direction, and a locking member for locking the clamp member against angular movement about the axis.

Abstract: A padlock includes a U-shaped lock casing having intercommunicated core receiving space and latch recess, aligned first and second shackle insert holes, and a slide channel communicating the second shackle insert hole with the latch recess. A lock core unit is received in the core receiving space, and includes a latch member extending into the latch recess and rotatable inside the latch recess between locking and unlocking positions. The latch member has an end face formed with a pin hole eccentric to an axis of the lock core unit. A shackle bar extends into the first and second shackle insert holes. A catch member is disposed slidably in the latch recess, and is formed with a pin extending rotatably into the pin hole in the latch member for engaging the latch member.

Abstract: A position-recoverable pulling device is adaptable for attachment to a lock bolt of a fitting for coupling two tubular members, and includes an anchoring member with a cam surface, and a coiled pulling member including a plurality of loops which are biased to abut against each other. The coiled pulling member is hooked on the anchoring member, while an outer segment thereof is disposed outboard to the cam surface. A bent portion of the outer segment is slidably contacted by a normal spot of the cam surface and is bent away from the adjacent loop to relieve the biasing action of the loops. Once the coiled pulling member has been swung to move the bent portion from the normal spot to reach a swung spot, the bent portion will be brought to slide back to the normal spot, thereby moving the coiled pulling member back to a normal position.

Abstract: A door lock assembly includes a latching mechanism for latching a door. The latching mechanism has a hollow housing, a latch bolt with a tapered head portion and a body portion mounted slidably in the housing, an actuating block, a connecting member connected to the latch bolt, and a crank arm interconnecting the actuating block and the connecting member. The latch bolt is movable between a first latching position wherein both of the head portion and the body portion extend outwardly of the hollow housing, and a second latching position wherein only the head portion extends outwardly of the hollow housing. The crank arm is turned to an inward position when the latch bolt is in the second latching position. The crank arm is turned to an outward position when the latch bolt is in the first latching position. A spring is mounted in the housing and biases the latch bolt to move to the first latching position.

Abstract: A loudspeaker system includes at least two loudspeaker units. Each loudspeaker unit includes at least one loudspeaker mechanism mounted on a loudspeaker enclosure. The loudspeaker enclosure includes an outer cabinet body having an open front side, a closed rear side, opposed lateral walls, and opposed top and bottom walls, and an inner baffle frame disposed in the cabinet body. The baffle frame has parallel left and right walls that form a sound space in the baffle frame. The left and right walls further form first clearances with the lateral walls respectively, and have a front portion with the loudspeaker mechanism mounted thereon. The front portion cooperates with the lateral walls to form a pair of acoustic port openings at front ends of the first clearances. The left and right walls further have a rear portion that forms a second clearance with the rear side. The second clearance is communicated with and extends between rear ends of the first clearances.