| 摘要 |
<p>An automobile hood active hinge device includes: an arm piece rotatably coupled to an automobile body fixing stand by means of a hood opening side hinge shaft; a pick-up piece rotatably coupled to the arm piece by means of an operating side hinge shaft in such a manner as to connect a hood to the top portion thereof; a bushing and a safety pin coupled to a coupling hole of the arm piece and a through-hole of the pick-up piece to fix or separate the arm piece and the pick-up piece to each other or from each other; and an actuator adapted to rapidly cut off the safety pin and the bushing and at the same time to raise the rear end portion of the hood at the time when an automobile collides against a pedestrian.</p> |
