Expanding locking peg for assembling or fixing metal external pieces on wood support, has retaining units for permitting introduction of peg in holes of metal external pieces to be assembled, and bevel positioned at headless end of pieces

摘要

The peg has retaining units for permitting introduction of the peg in holes of metal external pieces to be assembled. A bevel is positioned at headless end of the external pieces to be assembled, where the metal pieces are interlocked with each other using a locking tool. The retaining units are located on outer faces of brackets. A collar is projected toward outside of the peg. The retaining units are constituted of studs and rods. Grooves are arranged opposite to the bevel.