Alarm device. (Machine-translation by Google Translate, not legally binding)

摘要

New alarm device characterized by being constituted by a cylinder of appropriate dimensions, attached to a coupling base or flat surface, and on the opposite side has four projections or tabs symmetrical two to two, which have a hole for a pin on the one that rotate or tilt two independent pieces; one that forms an elbow whose upper end is slightly lowered and the lower one, in the form of a barb, is introduced into the cylinder through an opening made precisely between the two tabs that form the support, protruding enough to form a stop or notch of engagement in the manner of a ratchet and the other support supports a piece or lever whose smaller end rests on the upper part of the aforesaid elbow and on the other side it is prolonged as much as necessary by adopting an appropriate shape according to the point where it is to be applied. The two parts mentioned in the part where they are in contact have lifting springs held in position by a vertical projection. (Machine-translation by Google Translate, not legally binding)