| 摘要 |
<p>A locking device pivoted between unlocking position and locking position, is pivoted at one of flap portions (4), such that other flap portion and top portion are engaged with a retaining element in locking position. The flap portion is connected to both hinge portion (2) and with upper portion (5) through bearing axis (12), so that upper portion is pivoted relative to flap portion through bearing axis. A pawl (11) is displaced from the locking position into unlocked position, such that retaining element is penetrated through recess.</p> |
