Device for the in situ reprofiling of the head of at least one rail of a railroad track

In a reprofiling device of the surface of the head of at least one rail of a railroad track comprising at least one reprofiling unit driven along the track by means of a railroad vehicle;

• means to displace in height the reprofiling unit with respect to the said railroad vehicle and means to apply at least one tool of the reprofiling unit against the rail;
• the improvement in which the reprofiling unit comprises at least one angularly displaceable support carried by said unit;
• there being a plurality of said reprofiling tools forming one group of tools mounted on this support in such a way that their faces or working edges are located in different planes;
• and means to position the support and to lock the support in any of a plurality of positions relative to said unit in each of which a different one of the said reprofiling tools of the group of tools is located in the same working position, cooperating with the rail, the other tools of the same group of tools being therefore in waiting position, out of contact with the rail, at least one of said tools being a rotary tool, a motor for rotating said at least one rotary tool, a drive shaft extending from said motor, the support being pivotally mounted on said drive shaft for rotation between said plurality of positions, and means drivingly interconnecting said drive shaft and said at least one tool.