| 摘要 |
<p>A locking device (LD) has a locking magnet (LM) (11) for locking and unlocking an activating device (2). A locking arm (12) rotates above a bearing shaft (16) on bearings in a locking casing (19). The LM activates/deactivates the LD by linking to a counter-pressure spring (18).</p> |
