Railway rolling stock – Special car bodies – Sleeping
Patent
1977-02-17
1978-03-28
Hoffman, Drayton E.
Railway rolling stock
Special car bodies
Sleeping
105430, 105448, 280166, 296 62, B62D 2522
Patent
active
040810917
ABSTRACT:
A lift device particularly suitable for lifting handicapped persons with or without wheelchairs, into a vehicle or building. The lift can be incorporated into the doorway of any given vehicle, or into any step structure within a building. The lift, in its stowed position, forms the normal steps. The platform is made of three hinged parallel sections which can be withdrawn and folded into two steps. A ramp normally hidden under the steps slides forward to allow easy access to the extended platform and a safety flap housed in the ramp flips upward to form an angle stop preventing the wheelchair from rolling backward during platform motion.
REFERENCES:
patent: 461156 (1891-10-01), Barber
patent: 3912048 (1975-10-01), Manning
patent: 3957284 (1976-05-01), Wright
patent: 4020920 (1977-05-01), Abbott
patent: 4022337 (1977-05-01), Eichenhofer et al.
Charmasson Henri J. A.
Hoffman Drayton E.
Rowold Carl
Transportation Design & Technology, Inc.
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