Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1977-04-11
1978-05-23
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
E06C 744
Patent
active
040905861
ABSTRACT:
A ladder fitted with a detachable foot section that can be fastened to either lower leg section of the ladder for extending the length of the fastened leg section. The detachable foot section is in the form of a circular housing threadably engaged to a screw that extends through both top and bottom ends of the housing, with projecting clip members externally fixed to the housing that engage shaped holes in the lower terminal section of the ladder leg.
REFERENCES:
patent: 891965 (1908-06-01), Thomas
patent: 4029174 (1977-06-01), Planck
Machado Reinaldo P.
Podell Howard I.
The Raymond Lee Organization Inc.
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