Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1991-11-14
1992-09-01
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
182224, 269902, B23Q 300, B27B 2100, B25H 106
Patent
active
051431750
ABSTRACT:
A sawbuck comprising a first pair of members which support one end of a log at a given elevation, with means to support another portion of the log at a lesser elevation, and means to chain down a portion of a log.
REFERENCES:
patent: 2989142 (1961-06-01), Gill
patent: 4454929 (1984-06-01), Wellman
patent: 4566559 (1986-01-01), Asten
patent: 4609070 (1986-09-01), Porps
patent: 4718652 (1988-01-01), Liebenstein
patent: 5092571 (1992-03-01), Stevens
Machado Reinaldo P.
Stephens Richard G.
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