Patent ID: 6614468
Filing Date: 2003-09-02
Classification: F16M,G08B

Abstract:
A monitoring installation comprising a monitoring unit including monitoring means, said monitoring unit being movable along a track, a trolley supporting said monitoring unit and which rolls or glides along said track over a rigid path and at least one traction rope or cable, which pulls the trolley along the path, wherein said at least one traction rope or cable comprises two sections, a first extremity of the traction rope is fixed at a first end of the track and runs from there to a pulley of a purchase device movable along the track, then back to a first deflection sheave placed at the first end of the track, from there to a second deflection sheave placed at the second end of the track, then back to a further pulley of the purchase device, and finally to the second end of the track, the trolley being connected to a separation point between the sections, which separation point lies between the pulley and a deflection sheave.