Multisection pole ladder

Details Multisection pole ladder Multisection pole ladder

1990-01-08

1991-08-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Wall- or floor-attached

Single pole or strand

182151, 182156, 182178, 182189, E06C 110, E06C 138

Patent

active

050406353

ABSTRACT:
Tree pole ladder which includes first and second detachable sections. Each of the detachable sections pivotally supports laterally extending steps which the foldable from a horizontally extending position for climbing, to a storage position aligned with the pole section. The detachable sections are coupled together by a coupling section which permits the sections to be rapidly connected and detached to a pair of single pole sections which may be easily transported to remote locations.

REFERENCES:
patent: 992785 (1911-05-01), Lloyd
patent: 2148099 (1939-02-01), Bray
patent: 2473388 (1949-06-01), Rambo
patent: 2601926 (1952-07-01), Speaker
patent: 3019851 (1962-02-01), Doss
patent: 3214187 (1965-10-01), Fuerst
patent: 3377966 (1968-04-01), Bates
patent: 3630314 (1971-12-01), Bamburg
patent: 3961686 (1976-06-01), Starkey
patent: 3995714 (1976-12-01), Brookes
patent: 4263983 (1981-04-01), Norton
patent: 4422527 (1983-12-01), Schultz et al.
patent: 4674597 (1987-06-01), Humphrey

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