A storage rack has vertical posts with vertically spaced apertures. Rails extend horizontally between the posts and are locked onto them by means of mounting plates on the ends of the rails. Each mounting plate has a pair of contiguous perpendicular planar surfaces that receive the edge margin of the...http://www.google.es/patents/US4366910?utm_source=gb-gplus-sharePatente US4366910 - Storage rack assembly and method of assembling same
Storage rack assembly and method of assembling same
