AUTOMATIC DEVICE FOR THE RELEASE OF PERSONS PRISONED FROM AN ELEVATOR OR THE LIKE FAILED

摘要

The safety device for a lift cage (1) suspended from lifting cables (3) actuated by the drum (7) of a hoist (8) driven by a main electric motor (9) which comprises an inertia fly-wheel (11) is characterized in that an electromagnetic disc (12) is positioned facing the inertia fly-wheel (11) without touching it.