Telescopic aerial ladder

Details Telescopic aerial ladder Telescopic aerial ladder

1980-01-29

1982-03-02

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

Ladder pivotably mounted on transpositioning base

182106, 182218, E06C 504

Patent

active

043175040

ABSTRACT:
The invention relates to a telescopic aerial ladder, especially intended to be mounted on a transportation vehicle. Said ladder comprises a number of ladder members superposed on each other, each member consisting of two trapezoidal lateral wings connected by rungs. The upper and lower longitudinal edges of each member are not in parallel relationship but designed in such a manner that the distance between said edges is increasing towards the end of said member which remains imbedded within the corresponding end of another ladder member which is located near below said member.

REFERENCES:
patent: 380733 (1888-04-01), Steck
patent: 2923381 (1960-02-01), Wilkinson
patent: 4094381 (1978-06-01), Wilkerson

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