Apparatus for elevating and lowering scaffolding

Details Apparatus for elevating and lowering scaffolding Apparatus for elevating and lowering scaffolding

1986-01-17

1987-04-14

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

182 41, 182152, 52632, E04G 134

Patent

active

046571132

ABSTRACT:
The invention provides apparatus for elevating and lowering scaffolding. A scaffold tower is moved horizontally so as to be supported on movable guides which are in a lowered position. The movable guides are then moved upwards. When the movable guides have reached an upper position, the scaffolding is then moved horizontally in the opposite direction so as to be supported on fixed guides. The operation is repeated as often as necessary. As stages are elevated, further stages are erected one by one below the stages being erected. The apparatus may also be operated to lower a scaffold tower, while collapsing stages one by one.

REFERENCES:
patent: 2794558 (1957-06-01), Miles
patent: 2982379 (1961-05-01), Fisher
patent: 3221838 (1965-12-01), Brayton
patent: 3504461 (1970-04-01), Copeland
patent: 3593481 (1971-07-01), Mikulin
patent: 3684056 (1972-08-01), Penso
patent: 3751863 (1973-08-01), Lyons
patent: 4027440 (1977-06-01), Hamblin
patent: 4578919 (1986-04-01), Amadon

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