Fire escape – ladder – or scaffold – Ladder
Patent
1985-01-04
1986-08-05
Britts, Ramon S.
Fire escape, ladder, or scaffold
Ladder
182106, 182 46, 182111, 182228, E06C 708, E06C 902
Patent
active
046037586
ABSTRACT:
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 rung-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.
REFERENCES:
patent: 3428147 (1969-02-01), Gordon
patent: 3586124 (1971-06-01), Kunzweiler
patent: 3944024 (1976-03-01), Adas
patent: 3991851 (1976-11-01), Gannon
patent: 4023647 (1977-05-01), Confer
patent: 4151895 (1979-05-01), Rasada, Jr. et al.
patent: 4193477 (1980-03-01), Broyles
patent: 4199040 (1980-04-01), Lapeyre
Britts Ramon S.
Chotkowski Karen J.
Gastel Joseph P.
LandOfFree
Ladder construction does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ladder construction, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder construction will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-964579