Patent
1975-10-17
1977-05-10
Spar, Robert J.
214730, B60P 146
Patent
active
040223370
ABSTRACT:
The entrance step-well of a bus or the like converts from regular step mode to a lift mode for use in lifting wheel chair or the like, by extending the bottom of the well and simultaneously folding the intermediate step away from the step-well space. The extended bottom is free for vertical movement between the ground and the bus level.
REFERENCES:
patent: 2941483 (1960-06-01), Lundberg
patent: 3574322 (1971-04-01), Hancock
patent: 3893697 (1975-07-01), Blitz et al.
patent: 3912048 (1975-10-01), Manning
Eichenhofer Josef
Schubert Karl
Spar Robert J.
Urban Transportation Development Corporation Ltd.
Williams Lawrence E.
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