Improvements in and relating to exit doors for cinemas, theatres, public halls and the like

摘要

342,534. Folding doors. ROBSON, R., 54, Woolwich Road, Belvedere, Kent. Feb. 6, 1930, No. 4046. [Class 20 (iii).] Double hinged emergency doors are provided with crush bars J which engage angle brackets H and plates F which engage a floor stop G. The bars J are formed as large panels and are secured to the doors by links K.