Base square of pilasters for metal formwork (Machine-translation by Google Translate, not legally binding)

摘要

Base square of pilasters for metal formwork, characterized in that it consists of a rectangular ruler that carries, axially, holes, less in the corresponding place, to the last, in which a cylindrical pivot, pointed in truncated cone, in combination with a heel, equipped with pivots analogous to the one described and with a projection on which the rule rests or adjusts. (Machine-translation by Google Translate, not legally binding)