Safety device to avoid overloads in electric polypasts. (Machine-translation by Google Translate, not legally binding)

摘要

Safety device to avoid overloads in electric hoists, whose hoist is organized in a housing that on one of its sides has a central partition with flattened surfaces on which a support takes externally supporting a braking lining as "ferodo", whose plate is threaded and locked in a shank aligned with the motor shaft said plate being applied, with adjustable pressure, on the aforementioned flat surface of the casing by means of a set of elastic washers pressed by a nut, which intervenes as a spring function. Expansion, forming this set a mechanical clutch arrangement. (Machine-translation by Google Translate, not legally binding)