Combination door and emergency stairway exit

Details Combination door and emergency stairway exit Combination door and emergency stairway exit

1978-11-13

1980-08-12

Bertsch, Richard A.

Railway rolling stock

Special car bodies

Passenger

105443, 49141, 296146, B61D 1900, B61D 2302

Patent

active

042167256

ABSTRACT:
A combination end door and emergency stairway unit operates as a conventional rapid transit door to allow movement between cars. The unit also includes an auxiliary door inner frame pivotally mounting a staircase that may be rotated and lowered to the ground to allow passengers to alight from the vehicle. A locking, linkage mechanism securely interconnects the auxiliary door, the inner frame, and the movable staircase to form the vehicle end door unit.

REFERENCES:
patent: 2453937 (1948-11-01), Ray
patent: 2531263 (1950-11-01), Fink et al.
patent: 3776143 (1973-12-01), Cox et al.
patent: 3861739 (1975-01-01), Kinney

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