A steering lock device includes a camshaft including a shaft portion having an axis, a lock actuation cam that radially projects from a first position of the shaft portion in an axial direction, and a projection that radially projects from a second position of the shaft portion in the axial direction; a housing rotatably accommodating the camshaft; and a lock bar moved by the lock actuation cam in a locking direction or an unlocking direction when the camshaft is rotated about the axis when a key cylinder is operated by a mechanical key. When the lock bar locks the steering shaft, the camshaft is configured so that the projection is separated from the shaft portion if a load exceeding a predetermined strength acts on the projection of the camshaft. The predetermined strength rotates the lock actuation cam to disengage the lock bar from the steering shaft.

A fragile part (15) which is set to have lower load resistance than other positions of a frame (10) is provided on a guide part (12) at a position that overlaps with a linkage portion (50a) between a hanger (52) and a lock body (51) of a lock member (50) positioned in a steering lock release position.

A steering lock device includes a camshaft including a shaft portion having an axis, a lock actuation cam that radially projects from a first position of the shaft portion in an axial direction, and a projection that radially projects from a second position of the shaft portion in the axial direction; a housing rotatably accommodating the camshaft; and a lock bar moved by the lock actuation cam in a locking direction or an unlocking direction when the camshaft is rotated about the axis when a key cylinder is operated by a mechanical key. When the lock bar locks the steering shaft, the camshaft is configured so that the projection is separated from the shaft portion if a load exceeding a predetermined strength acts on the projection of the camshaft. The predetermined strength rotates the lock actuation cam to disengage the lock bar from the steering shaft.

The present invention relates to an electric steering lock device of a vehicle and an assembly method thereof, more specifically, the invention can also be provided on a column housing of a different vehicle having a manual steering lock device by reducing the height of the product, and is capable of reducing the number of assembly process during assembling.

In a mechanical steering lock for vehicles, an angular locking nib of a steering shaft is movable away from and towards a releasing position, in which the free rotation of the steering shaft is allowed, and is withheld in this releasing position by two retaining means arranged parallel to each other and one of which comprises a stop element movable away from and towards a retaining position, in which it cooperates abutting against an axial shoulder of the nib.