Method of assembling ladder construction

Details Method of assembling ladder construction Method of assembling ladder construction

1980-04-03

1983-09-27

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29512, 29523, 29798, 2924352, 182228, 403283, B23P 1100

Patent

active

044060483

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: 1503880 (1924-08-01), Broman
patent: 1617224 (1927-02-01), Shaw
patent: 3002582 (1961-10-01), Marcelis
patent: 3140540 (1964-07-01), Greenman
patent: 3181651 (1965-05-01), Larson
patent: 3232378 (1966-02-01), Larson
patent: 3325879 (1967-06-01), Morkoski
patent: 3571909 (1971-03-01), Stern
patent: 3579802 (1971-05-01), Gajouski
patent: 3724738 (1973-04-01), Hurst
patent: 4118134 (1978-10-01), Mansel
patent: 4205426 (1980-06-01), Stillman, Jr.
patent: 4229874 (1980-10-01), Schultz

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