| 摘要 |
The key with a lock-unlock indicator is operable with a complementary lock set. The key has a body and an elongated key stem extending therefrom. A toggle bar is pivotally mounted or disposed on the key stem. The toggle bar operates in conjunction with a lock cam and an unlock cam mounted on the face of the complementary lock set. When the operator turns the key in one direction, the lock cam motivates the toggle bar thereby shifting its position. An indicator disposed in the key body displaying a lock condition and an unlock condition. The lock cam is shielded with a retractable shield.
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