A perfected safety washer, applicable to feet rights and fences for encofrar, characterized essentially by that it is constituted by a monobloc piece configured in a bowl that presents in its upper part an annular zone that gives rise to a central recess concentric to its own structure, there being in said upper part and in the upper edges, two pairs of projections stamped in the same material, located in diametrically opposite position, said cup having an enveloping lateral band perpendicular to the upper plane, to which it is joined by a suitable curvature. (Machine-translation by Google Translate, not legally binding)
展开▼
