WOOD STAIRCASE WITH DOUBLE LIMON CENTRAL.

摘要

P A method of assembling wooden parts for use with straight stairways with central double stringer. BR/ The invention relates to a central double-sided wood staircase, the method of assembly by threaded rod and nuts allows industrial manufacturing and quick and easy assembly. BR/ It is made up of 2 straight central wooden strings (1) for rack use, assembled by a threaded rod (2) to separate 2 nuts (3), each with a washer (4) inserted between the nut and the stringer, the steps supports (6) fitting into the strings by a notch (7) and being secured by assembly or bonding with the steps (5). It is by the powering by means of the nuts that the whole is made solidary. / P