Cleaning equipment for vertical walls and archways comprises structure supporting ascent or descent of walkway which can be pivoted about axis parallel to its ascent

摘要

The equipment comprises a structure (10) having means for supporting the ascent or descent of a walkway (12) along the vertical walls (25). The walkway comprises means for pivoting around an axis parallel to its ascending or descending direction so as to be able to be positioned under the archways (26).