Scaffolding system

Details Scaffolding system Scaffolding system

1981-01-15

1983-01-25

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Self-sustaining

403 49, E04G 730

Patent

active

043698590

ABSTRACT:
In a scaffolding system an upright tube is provided with an annular dish shaped protrusion. A housing on the end of a horizontal tube carries a lever with a cam face that engages the protrusion to lock the tubes together. The horizontal tube can be at any radial orientation relative to the upright tube.

REFERENCES:
patent: 2308832 (1943-01-01), Roney
patent: 2845307 (1958-07-01), Holmes
patent: 3992118 (1976-11-01), Siegers
patent: 4039264 (1977-08-01), Sharp
patent: 4273463 (1981-06-01), Dobersch

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