Beam staircase e.g. single beam stair case, for use within building, has stage elements comprising attachment surfaces connected with exception of top and last steps, where two of stage elements are attached to supporting elements
摘要
<p>The staircase (2) has supporting elements (5) secured on a beam post (4), and stage elements (3) comprising attachment surfaces connected with the exception of top and last steps. Two of the stage elements are attached to each supporting element. The supporting elements are formed in triangular-shape, and comprise a transverse support parallel to the stage elements and arranged at a distance to the beam post. The supporting elements have two inclined side walls connecting the transverse support with the beam post.</p>
