Abstract: An electric door lock includes a door latch mechanism movable between latching and unlatching positions, a manual operation mechanism, and first and second rotatable members. The manual operation mechanism is manually operable to drive movement of the door latch mechanism between the latching and unlatching positions. The first rotatable member is rotatable about an axis, and includes a rotary body and a clutch mechanism. The clutch mechanism is disposed resiliently on the rotary body and is movable parallel to the axis toward and away from the rotary body. The second rotatable member is coupled to the manual operation mechanism for co-rotation therewith, and has one side that confronts the first rotatable member and that is provided with a pushed unit.

Abstract: An electric door lock includes a door latch mechanism movable between latching and unlatching positions, a manual operation mechanism, and first and second rotatable members. The manual operation mechanism is manually operable to drive movement of the door latch mechanism between the latching and unlatching positions. The first rotatable member is rotatable about an axis, and includes a rotary body and a clutch mechanism. The clutch mechanism is disposed resiliently on the rotary body and is movable parallel to the axis toward and away from the rotary body. The second rotatable member is coupled to the manual operation mechanism for co-rotation therewith, and has one side that confronts the first rotatable member and that is provided with a pushed unit.

Abstract: An electric lock includes a manual operation mechanism and an electric control mechanism. The manual operation mechanism includes a rotary knob unit, a first attracting member mounted fixedly to the rotary knob unit, a key-operated lockset, and a lock-connecting rod connected to and rotatable by the rotary knob unit and the key-operated lockset. The electric control mechanism includes a power source unit, a clutch gear driven by the power source unit to rotate in two directions, and a second attracting member mounted fixedly to the clutch gear. When the clutch gear is driven by the power source unit to rotate to align the first and second attracting members with each other, a magnetic attraction force is generated between the first and second attracting members to allow for co-rotation of the rotary knob unit with the clutch gear.

Abstract: A lock includes inside and outside handles mounted rotatably on a lock housing unit, a key-operated lockset mounted to the outside handle, a rotary knob mounted to the inside handle, a handle-connecting rod co-rotatable with the inside handle, a driven seat co-rotatable with the handle-connecting rod, a lock-connecting rod interconnecting the lockset and the rotary knob, and an engaging plate disposed movably within a slot in the driven seat. The lock-connecting rod is rotatable to move the engaging plate between a connection position whereat the engaging plate projects from the driven seat so as to allow for co-rotation of the outside handle with the handle-connecting rod, and a retracted position whereat the engaging plate is retracted into the driven seat so as to prevent co-rotation of the outside handle with the handle-connecting rod.

Abstract: An electric door lock includes a latching unit, and first and second rotatable members. The latching unit is movable between latching and unlatching positions. The first rotatable member is provided with a first protrusion, and is rotatable between first and second angular positions corresponding to the latching and unlatching positions of the latching unit. The second rotatable member is provided with a second protrusion, and is rotatable in a first rotational direction such that the second protrusion pushes the first protrusion so as to move the first rotatable member from the first angular position to the second angular position, and in a second rotational direction such that the second protrusion pushes the first protrusion so as to move the first rotatable member from the second angular position back to the first angular position.

Abstract: An electric lock includes a lock housing unit disposed on a door, and inside and outside handle units, each of which includes a handle shaft journalled in the lock housing unit. The manual control mechanism includes a spindle coaxial with the handle shafts and having a fixed retaining portion. The spindle is rotatable so as to lock or unlock the outside handle unit. The return mechanism includes two engagement seats co-rotatable with the spring bolt unit, and a biasing unit for biasing the spring bolt unit to rotate to a locking position. When either of the inside and outside handle units is operated, the retaining portions of the handle shafts rotate the engagement seats and, thus, the spring bolt unit away from the locking position. This allows for a door opening operation to be performed.

Abstract: An electric padlock includes a lock casing, a shackle member, a latch member, and a battery cap unit. The lock casing is formed with a receiving space for receiving a battery unit, a battery access hole, and an insert groove disposed adjacent to the battery access hole. The latch member is received in the lock casing, and is movable for locking and unlocking the shackle member relative to the lock casing. The battery cap unit includes a battery cap member mounted movably on the lock casing for closing selectively the battery access hole, and a retaining member provided movably on the battery cap member to engage the insert groove when in a retaining position such that opening movement of the battery cap member can be inhibited when the shackle member is locked on the lock casing.