Extruded aluminum plank for scaffold

Details Extruded aluminum plank for scaffold Extruded aluminum plank for scaffold

1990-12-17

1992-09-01

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder and platform

Platform with ladder as support

182222, E04G 508, E04G 115

Patent

active

051431734

ABSTRACT:
A plank for use on a scaffold. The principal component is a hollow integral aluminum extrusion with an elongate rectangular shape transverse to its length. The extrusion has a top wall, a pair of spaced-apart opposing sidewalls extending downwardly from the top wall, and a longitudinal locking structure located between the sidewalls. A complementary fastening assembly cooperates with the locking structure to secure the extrusion to a horizontal cross-member of the scaffold. Sheet material containing mineral particulates is adhered to the upper surface of the extrusion to provide a non-slip walking surface. After use in an environment containing dangerous contaminants, such as radioactive materials, the sheet material may be stripped for disposal and the extrusion cleaned with an appropriate solvent before re-application of fresh sheet material.

REFERENCES:
patent: 2730412 (1956-01-01), Yoder
patent: 3213964 (1965-10-01), Tucker
patent: 4548294 (1985-10-01), Ruda
patent: 4631874 (1986-12-01), Griffin

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