Fire escape – ladder – or scaffold – Combined
Patent
1994-07-21
1995-07-11
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Combined
182122, 248210, E06C 714
Patent
active
054312493
ABSTRACT:
A universal portable support platform for a ladder base is formed from a plurality of interfitting elements capable of left and right interconnections so that a horizontal support can be located selectively adjacent an elevated work site. Adjustment means are provided to level the horizontal support, regardless of the angulation of the ladder base.
REFERENCES:
patent: 4534528 (1985-08-01), Rousseau
patent: 4979710 (1990-12-01), Baldwin
Chin-Shue Alvin C.
Tredup Richard A.
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