Improvements in or connected with skeleton structures, such as shop and other fronts, frames for doors, windows, pictures and the like

摘要

310,692. Etherton, B. E. June 2, 1928. Door bodies, jambs, and sills; window frames; shop fronts.-Tubular metal members 1, 4, 7 forming the sides and rails of frames for shop fronts, doors, windows, and pictures, are connected together by internal metal junction-pieces which are provided with legs or projections 2, 6, 3, 8 to enter the tubular members and be wholly or partially shrouded and secured by screws. The junction-pieces may be solid or cored, and may be slotted to facilitate adjustment. The tubular members may be mitred or halved at the angles. Glass may be retained by means of hollow fillets 9, Fig. 2.