A connection lock is provided, including: a driving member, movable between first and second positions; a locking device by which the driving member is restrictable in the second position; a first housing; an actuating assembly, movably mounted to the first housing and assembled with the driving member; a blocking assembly, mounted to the first housing and movable between release and blocking positions; an electronic transmission unit, connected to the first housing; when the driving member is in the first position, the actuating assembly is driven by the driving member to drive the blocking assembly to the release position, the blocking assembly is detachable from an anti-theft hole; when the driving member is in the second position, the driving member drives the actuating assembly and the actuating assembly restricts the blocking assembly in the blocking position so that the blocking assembly is undetachable from the anti-theft hole.

A bi-fold door is opened with a lift assembly having a plurality of straps attached to power driven lift drums. A latch assembly retains the closed bi-fold door secure to side columns of a building. The latch assembly has a latch strap attached to a latch drum that accommodates the latch strap to hold the closed bi-fold door in contact with the side columns of the building. A floor anchor assembly anchors the bottom of the closed bi-fold door to the floor below the closed bi-fold door to stabilize and inhibit bending and deformation of the bi-fold door frame.

The invention provides a digital lock (100, 1001, 1002) including at least two magnets. One magnet is a semi hard magnet (310) and the other magnet is a hard magnet (320). The hard magnet (320) is configured to open or close the digital lock (100, 1001, 1002). The semi hard magnet (310) and the hard magnet (320) are placed adjacent to each other. A change in magnetisation polarisation of the semi hard magnet (310) is configured to push or pull the hard magnet (320) to open or close the digital lock (100, 1001, 1002).

Mechanically or electromechanically positioning a deadbolt used to lock or unlock a door is disclosed. An electromechanical lock can include a deadbolt to be positioned to lock or unlock a door. The deadbolt can be mechanically positioned based on the rotation of a paddle of the electromechanical lock or electromechanically positioned via a motor being turned on to position the deadbolt. A disengagement mechanism can disengage an engagement cog from a worm gear hub of a gear train of the motor upon the mechanical positioning, but remain engaged upon the electromechanical positioning.

An intelligent lock guard device, including a box body, the box body includes an upper box cover and a lower box body being buckled to form a hollow box body; the protection lock, including a lock catch and a lock body mechanism; the lock catch includes a fixing crossbeam and a locking rod, the fixing crossbeam is fixed on the upper box cover, and the locking rod is provided with a locking hole; the locking body mechanism, including a lock shaft, a toothed belt and a motor; the locking body mechanism is fixed on the lower box body; the lock shaft is provided with a lock cylinder convex bar, and the track of the toothed belt is parallel to the direction in which the lock cylinder convex bar is inserted or removed from the locking hole.

The invention provides a digital lock including at least two magnets. One magnet is a semi-hard magnet and the other magnet is a hard magnet. The hard magnet is configured to move to close the digital lock in the event of malicious attack, blocking the intruder thereby the magnets acting as a blocking pin, and the mechanical and/or electromagnetic energy of the attack is configured to move the hard magnet to seal the digital lock from the intruder.

A guard locking element (4) actuatable by means of an electric drive (6). By means of the electric drive (6), the guard locking element (4) can be brought into a blocking position such that an actuator (2) of a safety switch is locked by said guard locking element. The guard locking element (4) is connected to the electric drive (6) by means of a coupling (11) such that a rotary motion of the electric drive (6) is converted into a purely translatory motion of the guard locking element (4).

The invention provides a magnetic actuator (100, 1001, 1002) including at least two magnets. One magnet is a semi hard magnet (310) and the other magnet is a hard magnet (320). The hard magnet (320) is configured to open or close the magnetic actuator (100, 1001, 1002). The semi hard magnet (310) and the hard magnet (320) are placed adjacent to each other. A change in magnetization polarization of the semi hard magnet (310) is configured to push or pull the hard magnet (320) to open or close a digital lock realised with the magnetic actuator 100, 1001, 1002. The magnetic actuator of the invention can also be used to realise a valve.

An electric control door lock includes an inner operational device, an outer operational device, and a latch bolt operably connected to the inner and outer operational devices. A rotating shaft is rotatably supported in an activation member and includes a driving threaded in threading connection with a driving spring. When the rotating shaft is driven by a motor to rotate, the driving spring moves along a longitudinal axis to actuate the activation member. Movement of the activation member is used to control operation of the outer operational device, thereby permitting or not permitting movement of the latch bolt to the unlatching position.

A lock and lid lock for an appliance are provided. The lock has a base supporting a driving mechanism, a sliding mechanism, a connecting mechanism and a locking mechanism. The driving mechanism includes a driving unit that drives rotation of a screw rod. A sliding block is connected to a gear that is engaged with the screw rod and drives the sliding block to move linearly back and forth with the rotation of the screw rod. One end of the connecting mechanism is connected to the sliding block and the other end is connected to the locking mechanism. This allows linear movement of the sliding block to be converted into rotational movement of the locking mechanism. The locking mechanism is rotatably connected to the base and may include a locking portion which is configured to unfold or retract relative to the base along with the rotation of the locking mechanism.