Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7171908 | High/Low passenger ingress and egress conversion for transit vehicle A passenger ingress and egress system within a transit vehicle having a stairwell employs a movable platform apparatus in combination with at least one door of a sliding or plug type to accommodate variations in passenger ingress and egress platform facilities. The ... | 02/06/2007 |
| 7025004 | Passenger rail car sliding door with high platform threshold An improved door assembly has a single movable door and may have a separate movable high platform threshold. The door assembly is formed of an upper door section and a lower door section which is fixed to the upper door section. A support member may be integral with... | 04/11/2006 |
| 6848735 | Stepwell cover apparatus A stepwell cover apparatus for use in a vehicle having a stepwell including a step that is located below the floor of the vehicle. The apparatus includes a horizontal cover that may be retracted to a position below the floor in order to expose the steps of the stepw... | 02/01/2005 |
| 6799522 | Passenger rail car sliding door with high platform threshold An improved door assembly having a single movable door and a separate movable high platform threshold. ... | 10/05/2004 |
| 6263804 | Dual level access door system for railway vehicles A door system for a railway car which provides for both high and low level access. The door system comprises a sliding door, a platform displaceable between raised and lowered positions for respectively clearing and covering the stairwell of the railway c... | 07/24/2001 |
| 5964498 | Trailer stepwell cover mechanism A stepwell cover mechanism is provided for selectively covering a stepwell cavity in a trailer. The cover mechanism broadly comprises: a cover plate (with an outboard and inboard end) for covering the stepwell cavity; an activator for selectively position... | 10/12/1999 |
| 4275664 | Step-platform operation A step-platform operator 17 for transit vehicles for driving a step 19 and a platform 18 between open and closed positions, includes a reversible drive motor 42 driving the step and platform through a lever and linkage for providing differential motion be... | 06/30/1981 |
| 4273498 | Railway car trap door lift A railway car includes conventional steps leading from a lower station platform to the floor level in a vestibule. A lift platform adapted to receive a seat or wheel chair is provided to lift a handicapped person who has difficulty going up or down steps.... | 06/16/1981 |
| 4175495 | Entrance step arrangement for a short distance transport vehicle An entrance step arrangement particularly for short distance vehicles, especially rail vehicles, which has at least one intermediate step, a cover for covering up the step or steps, a foldable guard plate, and transmission elements interposed between a dr... | 11/27/1979 |
| 4174115 | Motorized bi-fold stepwell cover A stepwell cover comprising a deck consisting of first and second deck segments having edges pivotally secured together adjacent a central portion of the deck, and an actuating mechanism arranged to move a first deck segment through an angle of ninety deg... | 11/13/1979 |
