Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent
1983-05-18
1984-05-29
Machado, R. P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Independent rung or step
2482212, E06C 708, E06C 904
Patent
active
044509367
ABSTRACT:
A removable step for climbing a storage rack which supports pallets in a warehouse or the like. The step comprises a U-shaped rod, the free ends or legs of which are bent at a right angle to the closed portion of the U, which portion provides a step. The legs fit into a first pair of openings in the face of a column comprising part of the rack. The column has many pairs of openings spaced along its length. The legs terminate in hooks which hook over a second pair of openings below said first pair to keep the step from tilting under the load of the climber's foot.
REFERENCES:
patent: 3259209 (1966-07-01), Brown
patent: 3357719 (1967-12-01), McCrea
patent: 3399746 (1968-09-01), Wood
patent: 3712418 (1973-01-01), Currence
patent: 3813070 (1974-05-01), Hanson
patent: 3833090 (1974-09-01), Georgianna
patent: 3902568 (1975-09-01), Erickson
Interlake, Inc.
Machado R. P.
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