Airplane stairway

Details Airplane stairway Airplane stairway

1974-03-13

1976-03-02

Blix, Trygve M.

Aeronautics and astronautics

Aircraft structure

Details

244137P, B64C 124

Patent

active

039413373

ABSTRACT:
A stairway for aircraft which will fold into a compact package. The stairway is mounted on suitable tracks within the aircraft for alternate positioning, either in alignment with a door thereof for extension therethrough or for movement as a compact package to one side thereof. Such track may be either a standard seat track or a special track provided for the purpose. Translation mechanism such as a sprocket supported chain or a parallelogram arranged linkage may be provided for moving such package translatably and without rotation thereof between a position in front of the aircraft door and a position at one side thereof.

REFERENCES:
patent: 2933149 (1960-04-01), Lee
patent: 2990148 (1961-06-01), James
patent: 3051419 (1962-08-01), Weiland et al.
patent: 3357372 (1967-12-01), Bader
patent: 3799479 (1974-03-01), Roeder et al.

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