| 摘要 |
<p>A gravity latch for a gate has a front unit having a key operated lock accessible from its front face and a latching tongue mounted in a housing and adapted to capture and retain a striker pin for use with the latch and mounted on a gate, the front unit having a locking element adapted to be displaced by the lock when key operated and a connection arrangement for, connecting to a separate rear unit adapted to be mounted on the opposite side of the gate post. The rear unit has a similar key operated lock and connects through a connection element of an elongate form. A lost-motion connection is provided in association with each lock so that each lock can be actuated independently and either can lock or unlock the latching tongue, and when the tongue is unlocked the rear unit, through a push-button can displace the tongue to release the striker pin.</p> |
