Some improvements in safety drums applicable to locks and locks. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the object of the main patent No. 212,661, for "improvements in the safety drums applicable to locks and padlocks" characterized by comprising the constitution of projections on one of the end edges of the casing tube of the cylinder, intended to pass through the bridge of the lock by other openings arranged in the same position, said rivets being subsequently riveted on the bridge, constituting a rigid connection. (Machine-translation by Google Translate, not legally binding)