MECHANICAL CODED LOCK

摘要

FIELD: ironmongery, particularly mechanical coded locks. ^ SUBSTANCE: coded lock has removable locking bar serving as control means and controllable in one degree of freedom during rotation. The lock may clear code during rotation and reset the code. Control means may set code from any positioning point. ^ EFFECT: increased secrecy and resistance to breaking-in. ^ 11 dwg, 1 tbl, 2 ex