| 摘要 |
The mechanism (1) has primary locking element (20) with locking unit (21) is engaged in push element (50). The primary locking element is positioned in specific position to move secondary locking element (30) from specific position to preset position. The secondary locking element is positioned in preset position to move primary locking element from preset position to specific position. The primary spring element (25) is provided to exert force on primary locking element such that positive movement of primary locking element in specific position is produced. |
