Junction for steps in ladders (Machine-translation by Google Translate, not legally binding)

摘要

Assembly for steps in ladders consisting of a "dovetail" assembly of the steps on the uprights in which to make this connection possible, holes or windows of sufficient height are made in the uprights so that they can be inserted into the uprights. they "dovetail" and then turn the board that has to constitute the rung, complete the junction. (Machine-translation by Google Translate, not legally binding)