Mortise lock for controlling infants access to swimming pool, has linking rod housing receiving key-bit of cylinder for driving linking rod and maintaining rod in its position for freeing bolt

摘要

The lock has a linking rod housing (5d) receiving a key-bit (6a) of a cylinder (6) for driving a linking rod (5) by rotation of a rotor of the cylinder (6) with the key till its unblocking position. The housing maintains the rod (5) in its position for freeing a bolt (2) against a return action of a blocking spring (7) by limiting movement of rotation of the rotor at unblocking position. The linking rod (5) moves between blocking and freeing positions of the bolt (2).