Sergeant for placing straight staircase.

摘要

Clamp (1) which allows to construct straight-flight stairs by keeping the walls of the steps immobilized while said step is filled with a matrix, said clamp (1) comprising a support element (2) and a bracket (3), wherein said support element (2) in turn comprises a horizontal (4) and a vertical (5) segment which allow the horizontal (6) and vertical (7) segments of a bracket (3) to slide inside them, as well as including screws (8,9) for adjusting the vertical (5) and horizontal (4) segments of the support element (2) against the vertical (7) and horizontal (6) segments of each bracket (3). IMAGE