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| Number | Title | Issue Date |
| 5480042 | Lock and coupler for a railway ramp car having fluid and electrical couplings A retainer is provided for retaining a catch mounted to a first portion of a split ramp car in its unlocked position as a second portion of a ramp car exits a locking area in which it is previously locked. An arm portion of the retainer extends into the l... | 01/02/1996 |
| 5445083 | Lock and coupler for a railway ramp car A retainer is provided for retaining a catch mounted to a first portion of a split ramp car in its unlocked position as a second portion of a ramp car exits a locking area in which it is previously locked. An arm portion of the retainer extends into the l... | 08/29/1995 |
| 5394953 | Method and device for uncoupling a self-propelled truck from a carrying truck A method and device for uncoupling a self-propelled truck from a carring truck, wherein an uncoupling point defined on a path is detected by a sensor so as to temporarily stop a motor of the self-propelled truck, thereby provisionally stopping the two tru... | 03/07/1995 |
