Coded locking device for machine safety cover has projecting arms provided with passive components fitting into corresponding seatings provided with matching active components

摘要

The locking device has at least one restraint (221,261,110,111,112,140,211,212), a position monitor and an evaluation device, a first element (100) having at least 2 projecting arms (110,111,112) provided with passive components (130,140) and a second element (200) provided with corresponding seatings (210,211,212) and active components (221,261) corresponding to each of the passive components. Each of the arms may have an angled edge at its free end for facilitating insertion in the corresponding seating, at least one passive component and active component pair provided by a transponder and a transponder reader. An independent claim for a safety cover for a machine is also included.