Improvements in the construction and assembly of picaportes of automatic closure and operation by pomo, with mechanism of condemnation in the pomo of the interior. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction and assembly of automatic closing latches and activation by knob, with mechanism of condemnation by the knob of the interior, relating to the use of a safety latch, characterized by the placement attached to the head of the latch but independent of this one. a small quadrangular prism terminated at its inner end with a cylindrical stop and endowed with a throat in said proximity; a flat support juxtaposed to the blade of said head and provided with right-angled temples entering said throat of the latch; a flat guide carrying part and a cylindrical spring located between said guide piece and the upper stop of the bolt. (Machine-translation by Google Translate, not legally binding)