Swiveled rocker box and base

Abstract From the Canadian patent

A rocker box for furniture and the like comprising: a rockable, top plate having two pairs of parallel laterally-spaced outer-depending side and inner-depending supplementary flanges containing perforations cooperatively providing four pivot-receiving openings on a common transverse axis, one outer side and one inner supplementary flange being located at each of the opposite sides of the box each, inner supplementary flange being spaced inwardly from the corresponding outer side flange so as to cooperate therewith in delimiting an interposed upper flange space; a non-rockable bottom plate having one pair of parallel laterally-spaced outer upright side flanges, one for each upper flange …