Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1978-08-18
1980-12-02
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
A45F 326
Patent
active
042366020
ABSTRACT:
Apparatus attachable to a vertically extending object and having a stand and seat for providing support is disclosed. Means are provided for adjusting the pitch of the seat. Cables connected to the frame and the stand support much of the weight on the stand in order to provide stability. Both the seat and stand pivot so as to form a compact package for storage and portage. Means are provided for maintaining the apparatus noiseless both when the apparatus is flexed and when the seat and stand are pivoted. Other embodiments include only the seat and only the stand.
REFERENCES:
patent: 305100 (1884-09-01), Moore
patent: 2746705 (1956-05-01), McKinley
patent: 3065821 (1962-11-01), Hundley
patent: 3730294 (1973-05-01), Thurmond
patent: 4009763 (1977-03-01), Hunter
patent: 4120379 (1978-10-01), Carter
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