Revolving block for high place working vehicle

Details Revolving block for high place working vehicle Revolving block for high place working vehicle

1985-08-20

1986-05-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Means maintaining platform level on angularly movable support

Swingable support

182 65, 182 19, 212247, 212253, B66F 1104

Patent

active

045895180

ABSTRACT:
A revolving block having an inclination correcting mechanism housed therein is adapted to revolvably support a working implement, such as a ladder or boom, mounted on a high place working vehicle.

REFERENCES:
patent: 578989 (1897-03-01), Hennessey
patent: 3516513 (1970-06-01), Robertson
patent: 4407419 (1983-10-01), Clements
patent: 4523685 (1985-06-01), Terayama

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