Ladder construction

Details Ladder construction Ladder construction

E - Fixed Constructions

06

C

228/4, 4/48

E06C 7/08 (2006.01) E04H 4/14 (2006.01) E06C 1/26 (2006.01)

Patent

CA 1237402

LADDER CONSTRUCTION ABSTRACT OF THE DISCLOSURE A ladder consisting of a pair of spaced rails, a plurality of rungs having opposite end portions with first holes extending therethrough for receiving the rails in complementary mating relationship, first slots extending inwardly into the rungs from the bottom sides thereof and terminating at bearing areas which bear on the outer ends of first pins which are carried by the rails, and a pivotal rung-like base having end portions with second holes extending inwardly from the top side thereof for receiving the ends of the rails and second slots extending inwardly into the ring-like base from the top side thereof terminating at bearing surfaces which carry the load transmitted by the outer ends of second pins mounted on the lower ends of the rails.

498918

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