auxiliary dead latch

auxiliary dead latch

[ȯg′zil·yə·rē ′ded ‚lach] (design engineering) A supplementary latch in a lock which automatically deadlocks the main latch bolt when the door is closed. Also known as auxiliary latch bolt; deadlocking latch bolt; trigger bolt.

auxiliary dead latch, auxiliary latch bolt, deadlocking latch bolt, trigger bolt

A supplementary latch in a lock which automatically deadlocks the main latch bolt when the door is closed.