Powered converter dolly and securing device

摘要

A powered converter trolley for movement and attachment of trailers is provided. The trolley comprises a conventional converter trolley having a drawbar. The trolley has a power supply and operates as a towing device. The trolley connects to a freight trailer and can be raised or lowered from a stored position to a ground-engaging, working position. Alternatively, the wheels of the trolley may be powered for providing motion to the trolley. The trolley further comprises several attachment devices for securing the trolley to an intermodal railcar, including alternative hydraulic, mechanical, and electrically-powered tie down devices. A trolley movable along a railcar is provided for securing the trolley or trailer to the railcar and includes a hitch component for selectively interconnecting to a hitch component on the trolley or trailer.

主权项

1. A system for moving a freight trailer having a first hitch component, which system comprises:
a trolley having a frame with a front end and a back end; a drawbar extending from said frame front end; an axle assembly depending from said frame, said axle assembly having a ground engaging wheel; a second hitch component selectively interconnectable with the first hitch component, said second hitch component disposed on top of said frame; a guiding track mounted to the freight trailer; at least one hydraulic support connecting said trolley to said trailer, said hydraulic support adapted to transfer said trolley from a first, raised position to a second, lowered position; and said freight trailer including a clevis adapted to releasably attach to said drawbar.