| 摘要 |
<p>A child-proof door latch (4) including a selector switch (46) accessable from the door's exterior for enabling or disabling the functioning of a cable-driven latch (4) of the type where a sheath (30) about the cable (32) pushes on the latches trigger (12) to actuate the latchbolt (6). The selector switch (46) includes a slot (64) which controls the anchoring or movement of the end (36) of the cable (32) which, in turn, permits or prevents the tensioning of the cable (32) sufficiently to straighten the sheath (30) thereabout for actuating the trigger.</p> |
