Apparatus for ladder constructions

Details Apparatus for ladder constructions Apparatus for ladder constructions

1982-06-25

1984-01-10

Moon, Charlie T.

Metal working

Means to assemble or disassemble

With control means energized in response to activator...

29798, 2924352, 29429, B23P 2100, B23Q 1500

Patent

active

044246234

ABSTRACT:
This invention relates to a method of forming a step to stile joint in a ladder which does not utilize mechanical fastenings such as rivets and the like. According to this invention, the step is provided with integral hollow sections extending therealong which protrude from each end and which pass through apertures in the stiles and are adapted to be swage connected thereto.

REFERENCES:
patent: 2244073 (1941-06-01), Lyon
patent: 3119435 (1964-01-01), Greenman
patent: 3280454 (1966-10-01), Rich et al.
patent: 3388454 (1968-06-01), Willis
patent: 3579802 (1971-05-01), Gajonski
patent: 4118134 (1978-10-01), Mansel
patent: 4204312 (1980-05-01), Tooker

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