초록 ▼

Method and apparatus for loading and unloading semitrailers on a train of flat cars by coupling the semitrailers to power driven stanchions respectively, providing the power driven stanchions with automatic control in the form of proximity sensors for governing movement of the semitrailers in accord

Method and apparatus for loading and unloading semitrailers on a train of flat cars by coupling the semitrailers to power driven stanchions respectively, providing the power driven stanchions with automatic control in the form of proximity sensors for governing movement of the semitrailers in accordance with proximity of adjoining semitrailers and automatically steering the stanchions along a guide path to load and unload the train.

대표청구항 ▼

Apparatus for loading and unloading a train of flat cars with a plurality of semitrailers at a terminal yard comprising: (a) a guideway having a first portion disposed in the yard and a second portion contiguous with the first portion and comprising a guiderail extending longitudinally along a loadi

Apparatus for loading and unloading a train of flat cars with a plurality of semitrailers at a terminal yard comprising: (a) a guideway having a first portion disposed in the yard and a second portion contiguous with the first portion and comprising a guiderail extending longitudinally along a loading ramp located at one end of the cars and along the decks of the cars; (b) a tractor adapted to be coupled to one of the semitrailers and having (i) first means arranged to coact with the first guideway portion to move such semitrailer between a point in the yard and the loading ramp, (ii) second means arranged to coact automatically with the second guideway portion to move such semitrailer along the decks of one or more cars to steer the tractor and semitrailer along such decks, and (iii) third means arranged to lock the tractor at any desired point to the deck of any of the cars.