LOCK CYLINDER, LOCK SYSTEM USING SUCH LOCK CYLINDERS, KEY FOR THE LOCK CYLINDER AND PROCESS FOR PRODUCTION OF A LOCK CYLINDER-KEY COMBINATION.

摘要

IN A LOCK CYLINDER HAVING A SPRINGLESS TUMBLER PIN 30 WHICH ON THE ONE HAND IS CONTROLLED BY A SETBACK 32F IN THE KEY AND ON THE OTHER IS CAPABLE OF ENGAGING IN A RECESS 12B OF THE INNER PERIPHERAL SURFACE 12A OF THE LOCK CYLINDER HOUSING 10, AN AXIAL SLIDE ELEMENT 20, WHICH IS CAPABLE OF BEING LOCKED IN BY A LOCK-IN FACE 31I OF THE KEY, IS PROVIDED SUBSTANTIALLY PARALLEL TO THE DIRECTION OF INSERTION OF THE KEY 32; DISPLACEMENT OF THE TUMBLER PIN 30 WHEN THE KEY 32 IS INSERTED IS POSSIBLE ONLY WHEN, OWING TO PROPER LOCATION OF THE LOCK-IN FACE 32i IN THE LONGITUDINAL DIRECTION OF THE KEY 32, A PREDETERMINED POSITION OF THE AXIAL SLIDE ELEMENT 20 IS PRODUCED BY THE INSERTED KEY 32. (FIG. 3)