1,018,706. Scaffolding. SCAFFOLDING (GREAT BRITAIN) Ltd. July 8, 1964 [July 11, 1963], No. 27558/63. Heading E1S. The ends of two ledgers are formed to engage with opposite sides of horizontal scaffold tube with the ledgers in line with each other, the ends having sockets formed by bending an oblique parallelogram-shaped plate 2 about its shorter diagonal.