| 摘要 |
Indicators in the lock, follow the action of the key, with either locking or unlocking providing a visual indication. The indicators incorporate magnetically activated components and have twin counterposed permanent magnets, one on each side of the key rotation axis in the keyhole. - The magnets are arranged with opposite poles facing towards the direction from which the key is inserted in the lock. The indicators are also arranged on each side of the key rotary axis and opposite to each other. Under the effect of a predetermined magnetic pole, the indicators adopt a predetermined detectable condition. (Provisional basic advised week 86/33) (14pp Dwg.No.0/6) |
