| 摘要 |
An entry protection device for use with combination dial locks includes a flange annulus which permits removable attachment to a combination dial. The flanges are disposed between the rear surface of the combination dial and the facing surface of a security container to prevent unauthorized removal of the entry protection device. The entry protection device includes indicators to permit detection of surreptitious entry by penetration or removal of the device. The entry protection device includes an anti-rotation feature which prevents continuous 360 DEG rotation of a combination knob by an automatic dialing machine but allows hand manipulation of the dial by a user. The device may be combined with a combination dial having an irregularly shaped dial knob surface to prevent engagement of the dial knob by an automatic dialing machine.
|
