| 摘要 |
A cabinet (C, fig 1) has a body 2, a door 4, a lock 14, 16 and a manually releasable latch (18, fig 3) to hold the door closed or almost closed. The cabinet may have, a seal 38 with a projecting lip 42 to bias the door to open. The latch may have a pivotable hook (20, fig 3) and pin (22, fig 3) mounted on the side of the cabinet (26, fig 3), or an electromagnetic lock 14 with control circuitry 52 including a wireless receiver to allow remote unlocking. In a second aspect, a cabinet contains equipment which emits a visible or audible functionality signal 56, and a transmitter unit, which is responsive to a change in the functionality signal. |
