Patent ID: 6981726

Claim:
An auxiliary lock assembly comprising: a housing having a hole and a protrusion radially and inwardly formed on a periphery of the hole; a shaft having various cross-sectional areas, the shaft being adapted to be inserted into the hole of the housing; a longitudinal groove formed on an exterior of the shaft; a circumferential groove formed on the exterior of the shaft, the circumferential groove being in communication with the longitudinal groove to provide engagement with the protrusion on the housing; an axial hole axially formed in the shaft; a cover having a hole aligned with the hole of the housing for allowing the shaft to pass therethrough; a knob having an axle portion; an axial hole axially formed in the knob for allowing the shaft to be inserted therein; a threaded hole transversely formed in the axle portion of the knob; and a screw being adapted to be screwed into the threaded hole of the axle portion of the knob to fasten the shaft with the knob.