초록 ▼

An apparatus for unloading open top railroad cars, especially hopper cars, comprising a crawler excavator having a pair of tracked treads and a hinged arm with a bucket thereon able to rotate a fill 360 degrees and to move forward and rearward atop the open top railroad cars, an attachment on the cr

An apparatus for unloading open top railroad cars, especially hopper cars, comprising a crawler excavator having a pair of tracked treads and a hinged arm with a bucket thereon able to rotate a fill 360 degrees and to move forward and rearward atop the open top railroad cars, an attachment on the crawler with side extensions to hold the crawler atop the rail cars due to the side extensions slidably resting atop the sides of the rail cars and a portable ramp by which the crawler excavator can mount the ends of the cars.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus for facilitating the quick, safe and efficient loading and/or unloading of an open top railroad car having reinforced sides such as a hopper car, said apparatus comprisingan independently powered vehicle driven by an operator with at least one movable arm sup

[ What is claimed is:] [1.] An apparatus for facilitating the quick, safe and efficient loading and/or unloading of an open top railroad car having reinforced sides such as a hopper car, said apparatus comprisingan independently powered vehicle driven by an operator with at least one movable arm supported bucket for loading/unloading, said vehicle having a drive mechanism and drive members and being able to rotate on top of said mechanism and drive members to operate its bucket through 360 degrees to either side as well as to front and rear of itself, so that said vehicle can operate selectively to its front as well as its rear, anda sled attachment on said vehicle having skid means which have extending portions which extend from the sides thereof and which are either permanently or temporarily attached so as to provide a self-contained unit and to permit the drive members of the vehicle to operate in a first position where the vehicle is not atop the open railroad car but which is designed to engage the sides of said car when the vehicle is atop the car, andmeans on the end of said extending portions to keep said vehicle centered atop said railroad car and from lateral movement but while allowing forward and rearward movement,whereby said vehicle can skid forward and backward on said car to facilitate full unloading of said car on either side thereof without necessitating the operator leaving the vehicle and without danger of sliding sideways off said car.