Ladder carriage

Details Ladder carriage Ladder carriage

1976-07-12

1977-10-18

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

Ladder pivotably mounted on transpositioning base

182127, E06C 504

Patent

active

040541827

ABSTRACT:
There is disclosed a ladder carriage including a truck carried on wheels and formed with a cantilever projection for overhanging the side of a dock and pivotally mounting at its extremity a ladder slide which is rotatable between a vertical operative position and a horizontally disposed storing position. A rigid ladder is slidably carried in such slide and extension and retraction thereof is controlled by an extension control winch connected between such ladder and the truck for extending the ladder downwardly into a barge moored alongside such dock. Further, a retraction worm gear is connected with the slider to pivot it between its horizontally disposed storage position and vertically disposed operative position.

REFERENCES:
patent: 2601092 (1952-06-01), Cardiff
patent: 3456756 (1969-07-01), Price
patent: 3608669 (1971-09-01), Lindsay
patent: 3621935 (1971-11-01), Bode

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