Working platform lifting apparatus for aerial ladder truck

Details Working platform lifting apparatus for aerial ladder truck Working platform lifting apparatus for aerial ladder truck

1975-02-12

1976-06-29

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder with vertically moving platform or escape

Ladder supports platform

182 18, 182 19, 182 66, A62B 100

Patent

active

039660184

ABSTRACT:
A working platform lifting apparatus for an aerial ladder truck, wherein the working platform movable up and down along the ladder is arranged so that it does not interfere with the extension and contraction of the ladder, that when it is stopped at any desired position it is automatically braked, that when it reaches its uppermost position it is automatically stopped and that in an emergency it can be lowered manually. Other merits and details of the construction will be made clear.

REFERENCES:
patent: 2198071 (1940-04-01), Artini
patent: 2894605 (1959-07-01), Leavitt
patent: 3693755 (1972-09-01), Terayama

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