Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Patent
1984-11-02
1986-06-03
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
182100, 182116, 182189, 182195, E06C 112
Patent
active
045924465
ABSTRACT:
A portable telescoping observation stand attachable to a pole, a tree or like object by way of straps includes a plurality of telescopically engaged sections maintained in an extended position by locking members removably received in slots in overlapping ends of adjacent sections. Foot hold members removably attached to the sections provide steps for the stand with the locking members also serving as steps for the stand. When the stand is collapsed, the sections are nested together, the removed locking members and foot hold members are stored in a compartment defined by the nested sections.
REFERENCES:
patent: 494358 (1893-03-01), Weeks
patent: 2815130 (1957-12-01), Franks
patent: 3026962 (1962-03-01), Kramer
patent: 3729063 (1973-04-01), Hein
patent: 4230203 (1980-10-01), Sweat
patent: 4257490 (1981-03-01), Bandy
patent: 4263983 (1981-04-01), Norton
patent: 4411335 (1983-10-01), Forrester
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