Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent
1992-11-12
1994-03-15
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Ladder
With spacer means
182107, E06C 748
Patent
active
052939588
ABSTRACT:
A ladder wall stand-off accessory for mounting on a ladder rung between the spaced side rails of a ladder section including arm stand-off means with wall surface pad means extending therefrom and having rung gripping means pivotally mounted thereon to engage with the ladder rung to be fastened thereto in clamping relation therewith, a novel rung adapter bar being provided to mask the ladder rung if required.
REFERENCES:
patent: 2432189 (1947-12-01), Bucher et al.
patent: 3037579 (1962-06-01), Barrow
patent: 3288249 (1966-11-01), Gibson
patent: 3568801 (1971-03-01), Werner
patent: 3841044 (1974-10-01), Brown et al.
patent: 4369860 (1983-01-01), Beane
patent: 4444291 (1984-04-01), McPherson
patent: 4804063 (1989-02-01), Farris
patent: 5010979 (1991-04-01), Shreve, III
Pringle David L.
Schmitt Thomas J.
Swiderski Paul R.
Chin-Shue Alvin C.
Emerson Electric Co.
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