Patent attributes
An electro-mechanical lock assembly comprises a casing, an electric control mechanism and a manual control member. The casing has a base and an axial bore formed at the base. The manual control member is installed penetrating the axial bore of the casing and has a knob and a spindle coupled to the knob. The electric control mechanism is disposed within the casing and comprises a control switch, a rotatable member capable of actuating the control switch, a clutch gear capable of driving the rotatable member, a position member capable of controlling movement of the clutch gear and a motor capable of driving the clutch gear. The rotatable member is coupled to the spindle of the manual control member and has at least one first coupling portion. The clutch gear has at least one second coupling portion corresponding to the first coupling portion. The second coupling portion is capable of being moved along the spindle to catch with the first coupling portion of the rotatable member. The spindle is installed penetrating the axial bore of the casing and one end of the spindle is coupled to the rotatable member of the electric control mechanism.