Fire escape – ladder – or scaffold – Combined
Patent
1997-10-07
2000-02-29
Stodola, Daniel P.
Fire escape, ladder, or scaffold
Combined
248210, E04G 100
Patent
active
06029776&
ABSTRACT:
The invention relates to holding device adapted to attach to a ladder having rungs. The holding device comprises: (a) a substantially flat holder member defining a holder plane; (b) a hook adapted to engage one of the rungs, the hook being adjustable with respect to the holder plane, and lockable in at least two orientations with respect to the holder plane.
REFERENCES:
patent: 3822846 (1974-07-01), Jesionowski
patent: 4222541 (1980-09-01), Cillis
patent: 4515242 (1985-05-01), La Chance
patent: 4964601 (1990-10-01), Dishman
patent: 4979710 (1990-12-01), Baldwin
patent: 5374019 (1994-12-01), Fisher
patent: 5507363 (1996-04-01), Tredup
Stodola Daniel P.
Thompson Hugh B.
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