A locking security latch having a silent action metal latch bolt with smooth, low friction, plastics guide surfaces

摘要

A locking latch having a latch bolt (4,5) extending through an opening (10) in a faceplate (2), with smooth, low friction, plastics guide surfaces (17) arranged between the latch (5) and the walls (16) of the opening. The guiding surfaces are formed as extensions from guide plates (18) which extend from a carrier (19) secured to the lock housing.