Patent ID: 7753317

Claim:
A portable low profile derail releasably securable to a railroad rail including a rail head having a field side and a gauge side for derailing from the rail head a flanged wheel of railroad equipment including: a monolithic derail body having a flat rider plate and an integral elongated holding channel formed integral with an edge of the rider plate, said rider plate having an upper side and an opposed underside, said holding channel adapted to receive a portion of the field side of the rail head, said holding channel being substantially parallel to the rail head when the derail is mounted on the rail head, at least three field side fasteners mounted on the holding channel and connectable with an underside of the field side of the rail head, a substantially straight rub bar fixed to the upper side of the rider plate, said rub bar having a straight top edge, said rub bar having an end adjacent to the holding channel defining a bar angle with said channel edge, and a securing assembly fixed to the underside of the rider plate and being selectively connectable with an underside of the gauge side of the rail head for selectively securing the derail onto the rail head.