Reinforced safety lock for door, has case including blocking piece to be rotated from restraint position in which piece retains finger in retracted position to released position in which finger is moved to carry piece in extension position

摘要

The lock has a locking body mounted on a case and provided with a retractable bolt (12) and bottom and top rods (14, 16). The case has a blocking finger (62) mounted movably in translation between a retracted position in which the finger is moved away from the rod (14) and an extension position in which the finger blocks the rod (14). The case has a blocking piece i.e. tie rod (48), to be rotated from a restraint position in which the piece retains the finger in the retracted position to a released position in which the finger is moved to carry the piece in the extension position.