Electric steering lock device

摘要

An electric steering lock device includes: a shaft which includes a male threaded portion and which is rotationally driven by an electric motor; a slider which includes a female threaded portion threadedly engaging with the male threaded portion and which advances and retreats in response to the rotation of the shaft; a lock member which is turnable between a locked position and an unlocked position in response to the advancement and retreat of the slider; a stopper which holds the lock member at the unlocked position by engaging with an engagement portion provided in the lock member, the stopper being movable in a direction orthogonal to a turning plane of the lock member; and a spring for biasing the stopper in an engagement direction. The stopper engages with and disengages from the engagement portion of the lock member by being moved by an operation portion provided in the slider.

主权项

1. An electric steering lock device comprising:
a shaft which includes a male threaded portion and which is rotationally driven by an electric motor; a slider which includes a female threaded portion threadedly engaging with the male threaded portion, the slider advancing and retreating in response to rotation of the shaft; a lock member which is turnable between a locked position and an unlocked position in response to the advancement and retreat of the slider, the locked position being a position where the lock member engages with a steering shaft, and the unlocked position being a position where the engagement is released; a stopper which holds the lock member at the unlocked position by engaging with an engagement portion provided in the lock member, the stopper being movable in a direction orthogonal to a turning plane of the lock member; and biasing means for biasing the stopper in an engagement direction, wherein the stopper engages with and disengages from the engagement portion of the lock member by being moved by an operation portion provided in the slider.