Scaffold frame header

Details Scaffold frame header Scaffold frame header

1980-07-24

1982-07-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Self-sustaining

182119, 182222, E04G 114, E04G 115

Patent

active

043401309

ABSTRACT:
The scaffold system of this invention includes structures for retaining hollow folded metal planks on scaffold end frames or scaffold side brackets. A plank retaining lug is used to engage the underside of a plank and cooperates with a hold-down shoulder to retain the plank in place. A frame header may use the structures described to retain planks on both sides of an end frame. The frame header may be releasably mounted to a conventional scaffold end frame. Side brackets may be equipped with the structures to retain planks cantilevered from the scaffolding system.

REFERENCES:
patent: 3179212 (1965-04-01), Gostling
patent: 3239188 (1966-03-01), Gostling
patent: 3245188 (1966-04-01), Evans
patent: 3366361 (1968-01-01), Gostling
patent: 3420557 (1969-01-01), Francis et al.
patent: 3438160 (1966-04-01), Gostling
patent: 3490189 (1970-01-01), Gostling
patent: 3493208 (1970-02-01), Sato
patent: 4222459 (1980-09-01), Hard

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