A telescoping cover assembly for a railroad car having left and right transversely spaced edges, front and rear ends, and a cargo bed disposed between the ends and between the edges, the cargo bed comprising a front portion, a rear portion, and a center portion, said cover assembly comprising:
- A. left and right longitudinal track means running parallel to the edges of the car;
- B. a front cover segment carried on said track means, said front cover segment being adapted to bridge the cargo bed between the track means and to be movable between an inboard position for covering the front portion of the cargo bed and an outboard position forward of said inboard position for exposing the front portion of the cargo bed;
- and
- C. a rear cover segment carried on said track means and adapted to bridge the cargo bed between the track means and to be movable between an inboard position for covering the rear portion of the cargo bed and an outboard position behind the inboard position of said rear cover segment for exposing the rear portion of the cargo bed;
- whereby said cover assembly is adapted to expose substantially the entire cargo bed at once when said cover segments are in their outboard positions and to cover substantially the entire cargo bed at once when said cover segments are in their inboard positions.