摘要:
A cover (1) for manholes or traps is described, equipped with a mechanism for lifting and horizontally translating the cover (1), the mechanism being actuated through actuating means (10, 11, 12), and being adapted to automatically lift and afterwards horizontally translate or rotate the cover (1) to which it is operatively connected in order to completely open the manhole or trap.
摘要:
A cover (1) for manholes or traps is described, equipped with a mechanism for lifting and horizontally translating the cover (1), the mechanism being actuated through actuating means (10, 11, 12), and being adapted to automatically lift and afterwards horizontally translate or rotate the cover (1) to which it is operatively connected in order to completely open the manhole or trap.