| 摘要 |
<p>The present invention relates to a security locking mechanism (10), in particular for use in high security underground infrastructure such as a communication cable pit (13). The locking mechanism (10) comprises a first lock encasement means (12) having lock activation means and a second communications pit (13) with a hatch (50) arranged to be locked and accommodating a locking means. The lock activation means and the locking means communicating, being spaced apart and connected together, by a lock shaft (30). The lock activation means having a restrainable lever member (14) reversibly moveable from a first locked position to a second open position. In the locked position a locking member (40) engages the hatch (50) with an anchor member (48) to secure the communication pit (13) against unauthorised entry. The security locking mechanism (10) is arranged such when the lock activation means is in a locked position a damaged lock shaft (30) will result in the locking means being permanently engaged.</p> |
