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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 6644215 | Worm drive mechanism for gear operated door An anti-spin/anti-drift or stop mechanism for a railway car door includes a shaft, a helical gear mounted to a first end of the shaft, a helical drive rotatably cooperating with the gear, and a worm gear mounted on a second end of the shaft. The worm gear... | 11/11/2003 |
| 4222333 | Railway hopper car closure actuating mechanism A discharge gate arrangement for railroad hopper cars having longitudinally extending discharge openings arranged in a horizontal plane beneath the hopper. Gate members arranged in pairs swing in opposite directions transversely of the car. Each gate memb... | 09/16/1980 |
