Patent ID: 7552812

Claim:
A safety device for moving handrails such as those used in transport systems comprising mechanical stairs and walkways, wherein said handrail, at one exit end of the handrail, penetrates an inside of a hollow and fixed railing, the device of which comprises: an opening for accessing the inside of the railing; a stop: in correspondence with the opening; retractable against the tension of a spring; a longitudinal rod integral with the stop; an outer lid assembled on the fixed part of the railing which is laterally lowerable with respect to the latter between an open position and a closed position; an inner lid assembled on the fixed part of the railing which is laterally lowerable with respect to the latter between an open position and a closed position, connected to the outer lid so that the inner lid and the outer lid are opened together; wherein: the longitudinal rod and the stop are associated, with the possibility of longitudinal movement, to the outer lid, said longitudinal rod comprising locking means for the mentioned lid in a closed position; wherein the outer lid comprises a moving structure which can move with the rod, with which a pair of pawls are integral, which pawls lock the inner lid having an inner framework, the inner lid in turn having inner wheels associated to the mentioned framework, which wheels slide on guides integral with the railing, the guides of which have a circular arc shape and a path such that they allow opening the mentioned inner lid by gravity, the lid moving vertically with respect to the railing following the path of the guides, the mentioned inner lid being concealed in the inside the mentioned railing in the open position of the device.