LOCK SET

The advantages of this kind of safety-deposit box locks are that any Customer-Key can be in current use. But the safety of all the boxes can be guaranteed. They provide same safety, but have lower price then electronic safety-deposit box locks and infrared line scanner safety-deposit box locks.

C. Any key lost, should be customized by our factory according to the number of that key.

B. When No.1C-Key finished using, i.e. The safety-deposit box is opened. Any C-Key(such as No.2C-Key) can use for locking the safety-deposit box. And it cannot be opened by any key (including No.1C-key) except by both A-Key and this No.2C-Key.  

A. If the safety-deposit box locked by one of C-Keys (No.1C-Key). It cannot be opened by any key except by both A-Key and No.1C-Key;

Customers hold keys,(C-Key);

Administrator hold one key, (A-Key);

The operational principle is as follows:

This lock's Customer-Key can be in current use. But the safety of all the boxes can be guaranteed. Same safety, but lower price.