Lock with a sliding block movably received in the control...

Lock with a tool and method of forming the lock

Lock with an improved configuration

Lock with bolt enlargement

Lock with changeable warding positions

Lock with convertible structure

Lock with key isolation using transfer tumblers

Lock with key operated removable plug

Lock with key operated removable plug

Lock with key slot manipulation barrier

Lock with key-controlled removable and installable plug and key

Lock with locking elements respectively fitted to inner and...

Lock with normally non-removable key and auxiliary key removal d

Lock with reference plate

Lock with removable core

Lock with removable cylinder

Lock with removable plug

Lock with security cylinder and extended key

Lock with torque-release means

Lock with two layers of lock mechanism