System for driving corridors and movable stairs, comprises driving motor unit and drag chains for displacement of plates of corridor or steps of stairs

摘要

The invention relates to a drive system for moving walkways and stairs by means of horizontal drive chains (1), having a drive actuation mechanism and drive chains (1) responsible for causing the movement of the plates (6) of the walkway or steps of the stairs. The drive chains (1) and the plates (6) or steps have direct mutual engagement devices which are opposite and coupled to one another along a straight section of the path of the belt or stairs. The devices have deformable rollers (5) which are assembled in the links of the drive chain (1) and engage in complementary cavities (13) that the plates (6) or steps have at the back part.