| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stroke sensor capable of accurately detecting a stroke position, and an actuator and a rear wheel steering device including the same.SOLUTION: A stroke sensor 63 includes: first and second magnets 81 and 82 which move forward and backward along with a movable iron core 53; a pair of first magnetic path forming members 85 which are fixed to a lock housing 42 and form a magnetic path of a magnetic flux generated by the first magnet 81; a first magnetic detection element 86 which detects this magnetic flux; a pair of second magnetic path forming members 91 which are fixed to the lock housing 42 and form a magnetic path of a magnetic flux generated by the second magnet 82; and a second magnetic detection element 92 which detects this magnetic flux. The first magnet 81 is formed like a triangular plate of which the width along an axial line X of a rear wheel steering shaft is reduced in accordance with the increase in distance from the rear wheel steering shaft, and the second magnet 82 is formed like a triangular plate of which the width along the axial line X of the rear wheel steering shaft is increased in accordance with the increase in distance from the rear wheel steering shaft.</p> |
