DOUBLED SECRECY MECHANISM WITH FREE LOCKING MEMBERS Russian patent published in 2005 - IPC

FIELD: locks, particularly for operating or controlling locks or other fastening devices by electric or magnetic means.

SUBSTANCE: secrecy mechanism comprises case in which spring-loaded blocker, shaft with arm and tang for lock mechanism operation and key with constant magnets are installed. Spring-loaded blocker has matrix with blind holes adapted for arranging blocking members. Blocking members are made of m-metal and formed as balls or bodies of revolution with parallel or inclined generating lines. Grooves for key insertion are through and located transversely to shaft axis. Shaft carries dissymmetrical doubled eccentric member kinematically connected to parallel blockers. Matrixes have blind longitudinal cavities and coded channels extending from the cavities in transversal directions. Coded channels are provided with blocking member pushers rigidly connected to blockers. Constant magnets of the keys are coaxial with coded channels and the case has spring-loaded key fixer. Keys include orifices for receiving fixers.

EFFECT: increased resistance to breaking-in.

6 dwg