A full-automatic single bolt lock body with a built-in motor is disclosed, including a lock case, a lock bolt, and a drive unit. An end of the lock case is provided with a lock bolt hole for extending and retracting the lock bolt, the drive unit is mounted in the lock case and is connected to the lock bolt. The drive unit includes the built-in motor, the built-in motor is mounted at a rear side of the lock bolt, an axial direction of the motor is in the same direction as a telescopic movement of the lock bolt, and the lock bolt realizes actions of extending and retracting the lock bolt hole based on a rotation of the motor. By such designs, the lock body of the present disclosure has high versatility.

A multi-axis latchbolt lock assembly for use with cabinet drawers, desk drawers and the like is provided. The lock assembly includes a housing, a driver, a latchbolt, and an endplate. When an appropriate key is inserted into a keyhole of a locking actuation member, rotation of the key will actuate the driver that subsequently actuates the latchbolt into a locked or unlocked position in a vertical direction. The latchbolt includes a bolt member and a latching wedge, wherein the latching wedge is coupled to the bolt member in a rotatable relationship.

The present invention relates to the field of lockset and provides a lock body a latch bolt installation structure comprising a latch bolt body having a driving part and a latch part, wherein the latch part is detachably connected with the driving part. The latch part is configured with a male part inserting into a female part on the driving part; the female part comprises a first installation position and a second installation position for installing the latch part; when the latch part is installed at the first installation position, a flat surface of the latch part faces towards a first direction; when the latch part is installed at the second installation position, the flat surface of the latch part faces towards a second direction which is opposite to the first direction. The present invention is advantageous in fast reversal of the installation of the latch bolt as well as the construction progress control and user experiences.

A gate latch apparatus is disclosed for a residential safety gate. The gate latch apparatus includes a housing having opposable buttons. The buttons are squeezed to unlock opposing slides. The slides are slid to in turn slide a latch out of a latch receiver to permit the residential safety gate to be opened.

A door lock for a handle, comprises a housing, a rotatable connector inside the housing, a first elastic element and a second elastic element both arranged inside the housing. The rotatable connector is interacted with the handle. The first elastic element is at least configured to provide a restoring force for the handle to return to its origin position when the handle is rotated upward to lock the door, and the second elastic element is configured to provide a restoring force for the handle to return to its origin position when the handle is rotated downward to unlock and open the door, as well as to provide enough resistance to remain handle at its origin position when the handle is released. The door lock is effort-saving for the users to rotate the handle upward, and also adapted for various handles having different weights, to be remained at the origin position when the handle is released.

A full-automatic single bolt lock body with a built-in motor is disclosed, including a lock case, a lock bolt, and a drive unit. An end of the lock case is provided with a lock bolt hole for extending and retracting the lock bolt, the drive unit is mounted in the lock case and is connected to the lock bolt. The drive unit includes the built-in motor, the built-in motor is mounted at a rear side of the lock bolt, an axial direction of the motor is in the same direction as a telescopic movement of the lock bolt, and the lock bolt realizes actions of extending and retracting the lock bolt hole based on a rotation of the motor. By such designs, the lock body of the present disclosure has high versatility.