Engagement device to simplify the assembly of furniture, houses and field huts, frames and in general any detachable object. (Machine-translation by Google Translate, not legally binding)

摘要

A square piece on whose larger side has elbows staples or hooks and on the smaller or base a bolt or spigot with the holes necessary for its attachment by screws or other applicable; and another piece composed of two parts serving one for its fixation to the assemblable piece in which it is inserted and immobilized by means of screws or others that pass through it and the other exterior sn square on which the first one engages carrying on the greater side windows or openings and in the smaller a drill or hole in whose housings are lodged for if armed the elements of the previous piece (Machine-translation by Google Translate, not legally binding)