SAFETY DEVICE FOR MAINTENANCE PERSONNEL ON A CAR ROOF

The safety device according to the invention for maintenance personnel in elevators having no machine rooms and flexible tension member, the elevator booth comprising an upper median crosspiece ( 5 ) on its roof forming part of its support arcade is characterized in that it comprises, with symmetry with respect to the median traction plane of the booth or to the median plane of the set of flexible tension members ( 17 ), at least two rigid rods ( 9 ) mounted sliding on the crosspiece ( 5 ) on one side and approximately parallel to the latter and able to be moved in an active outgoing position projecting from the crosspiece ( 5 ) so as to come opposite and simultaneously in contact with a corresponding stop ( 23 ) fixed at an adequate height on the booth guide rail ( 21 ), and in an inactive incoming position where they are out of range of said stop ( 23 ) corresponding to the normal functioning of the elevator.