| Sperling Railway Services, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110308058 | METHOD AND APPARATUS FOR RETRIEVING AND PLACING TIE PLATES - A vehicle comprising a machine having wheels, a placing conveyor secured to the machine and having a distal end with a drop mechanism, a trigger operatively connected to a door in the drop mechanism, and wherein the drop mechanism door is opened over a railroad tie when the trigger contacts an edge of the railroad tie with the machine moving. | 12-22-2011 |
| 20110132226 | METHOD AND APPARATUS FOR CUTTING RAILROAD RAILS - A rail saw comprising a mounting boom having a pivotable arm and pivotably connected to a railroad machine with at least two pivotable axes, a saw frame rotatably connected to the pivotable arm with at least 180 degrees of rotation, a cutting frame pivotably connected to the saw frame, and a saw blade rotatably connected to the cutting frame. | 06-09-2011 |
| 20090188406 | Railway scrap recovery vehicle - A railway vehicle recovers metallic objects like railroad spikes from a railway bed having a pair of rails. The vehicle includes wheels for riding on each rail and a carriage carrying a crawler for supporting the vehicle on the railway bed when one of the rails is removed. A pneumatic lift raises and lowers the carriage and crawler. A conveyor belt assembly for transporting the metallic objects to a hopper is supported entirely by an overhead support structure. A lateral translator moves the conveyor belt assembly from side to side. Various features are provided which allow a conveyor belt to be removed from one side of the conveyor belt assembly while maintaining continuity of the conveyor belt loop. A distinctive conveyor lift is provided for raising and lowering the conveyor belt assembly. A remote control is provided for controlling various operations of the vehicle. | 07-30-2009 |
